el/lang/elc.c

#include <stdint.h>
#include <stdlib.h>
#include "el_runtime.h"

el_val_t is_digit_code(el_val_t c);
el_val_t is_alpha_code(el_val_t c);
el_val_t is_alnum_or_underscore_code(el_val_t c);
el_val_t is_ws_code(el_val_t c);
el_val_t lex_is_digit(el_val_t ch);
el_val_t lex_is_alpha(el_val_t ch);
el_val_t is_alnum_or_underscore(el_val_t ch);
el_val_t lex_is_whitespace(el_val_t ch);
el_val_t tok_append(el_val_t tokens, el_val_t kind, el_val_t value);
el_val_t keyword_kind(el_val_t word);
el_val_t scan_digits(el_val_t src, el_val_t start, el_val_t total);
el_val_t scan_ident(el_val_t src, el_val_t start, el_val_t total);
el_val_t substr_at(el_val_t src, el_val_t start, el_val_t total, el_val_t needle);
el_val_t str_has(el_val_t s, el_val_t needle);
el_val_t looks_like_code(el_val_t s);
el_val_t strip_code_comments(el_val_t s);
el_val_t scan_string(el_val_t src, el_val_t start, el_val_t total);
el_val_t scan_interp_brace(el_val_t src, el_val_t start, el_val_t total);
el_val_t interp_tokens_append_all(el_val_t dst, el_val_t src);
el_val_t scan_interp_string(el_val_t src, el_val_t start, el_val_t total);
el_val_t lex(el_val_t source);
el_val_t tok_at(el_val_t tokens, el_val_t pos);
el_val_t tok_kind(el_val_t tokens, el_val_t pos);
el_val_t tok_value(el_val_t tokens, el_val_t pos);
el_val_t expect(el_val_t tokens, el_val_t pos, el_val_t kind);
el_val_t make_result(el_val_t node, el_val_t pos);
el_val_t skip_type(el_val_t tokens, el_val_t pos);
el_val_t parse_params(el_val_t tokens, el_val_t pos);
el_val_t is_html_tag_name(el_val_t name);
el_val_t is_void_element(el_val_t name);
el_val_t parse_raw_text_content(el_val_t tokens, el_val_t pos, el_val_t tag_name);
el_val_t parse_html_text_tokens(el_val_t tokens, el_val_t pos);
el_val_t parse_html_attrs(el_val_t tokens, el_val_t pos);
el_val_t parse_html_children(el_val_t tokens, el_val_t pos, el_val_t parent_tag);
el_val_t parse_html_each_body(el_val_t tokens, el_val_t pos);
el_val_t parse_html_element(el_val_t tokens, el_val_t pos);
el_val_t parse_html_template(el_val_t tokens, el_val_t pos);
el_val_t parse_primary(el_val_t tokens, el_val_t pos);
el_val_t parse_if(el_val_t tokens, el_val_t pos);
el_val_t parse_match(el_val_t tokens, el_val_t pos);
el_val_t parse_pattern(el_val_t tokens, el_val_t pos);
el_val_t parse_for_expr(el_val_t tokens, el_val_t pos);
el_val_t parse_block(el_val_t tokens, el_val_t pos);
el_val_t is_duration_unit(el_val_t name);
el_val_t parse_postfix(el_val_t tokens, el_val_t pos);
el_val_t op_precedence(el_val_t kind);
el_val_t is_binop(el_val_t kind);
el_val_t parse_binop(el_val_t tokens, el_val_t pos, el_val_t min_prec);
el_val_t parse_expr(el_val_t tokens, el_val_t pos);
el_val_t parse_stmt(el_val_t tokens, el_val_t pos);
el_val_t parse(el_val_t tokens);
el_val_t parse_one(el_val_t tokens, el_val_t pos);
el_val_t skip_to_rbrace(el_val_t tokens, el_val_t pos);
el_val_t is_stmt_start_kind(el_val_t k);
el_val_t skip_expr_to_stmt_boundary(el_val_t tokens, el_val_t pos);
el_val_t scan_params_c(el_val_t tokens, el_val_t pos);
el_val_t scan_fn_sigs(el_val_t tokens);
el_val_t nibble_to_hex(el_val_t n);
el_val_t byte_to_hex2(el_val_t b);
el_val_t is_hex_digit_byte(el_val_t b);
el_val_t c_escape(el_val_t s);
el_val_t c_str_lit(el_val_t s);
el_val_t sanitize_test_name(el_val_t name);
el_val_t el_type_to_c(el_val_t type_str);
el_val_t emit_line(el_val_t line);
el_val_t emit_blank(void);
el_val_t binop_to_c(el_val_t op);
el_val_t duration_unit_nanos(el_val_t unit);
el_val_t next_html_id(void);
el_val_t cg_html_parts(el_val_t children, el_val_t acc_var);
el_val_t cg_html_attrs_str(el_val_t attrs, el_val_t acc_var);
el_val_t cg_html_element_str(el_val_t elem, el_val_t acc_var);
el_val_t cg_html_each(el_val_t node, el_val_t acc_var);
el_val_t cg_html_if(el_val_t node, el_val_t acc_var);
el_val_t cg_html_template(el_val_t expr);
el_val_t cg_expr(el_val_t expr);
el_val_t next_match_id(void);
el_val_t cg_match(el_val_t expr);
el_val_t cg_match_stmt(el_val_t expr, el_val_t indent, el_val_t declared);
el_val_t next_if_id(void);
el_val_t cg_if_expr_arm(el_val_t stmts, el_val_t result_var);
el_val_t cg_if_expr(el_val_t expr);
el_val_t list_contains(el_val_t lst, el_val_t s);
el_val_t cg_stmt(el_val_t stmt, el_val_t indent, el_val_t declared);
el_val_t strip_outer_parens(el_val_t s);
el_val_t cg_if_stmt(el_val_t expr, el_val_t indent, el_val_t declared);
el_val_t cg_for_body(el_val_t item, el_val_t list_expr, el_val_t body, el_val_t indent, el_val_t declared);
el_val_t cg_for_stmt(el_val_t expr, el_val_t indent, el_val_t declared);
el_val_t cg_stmts(el_val_t stmts, el_val_t indent, el_val_t declared);
el_val_t param_decl(el_val_t param, el_val_t idx);
el_val_t params_to_c(el_val_t params);
el_val_t transform_implicit_return(el_val_t body);
el_val_t is_int_name(el_val_t name);
el_val_t is_instant_name(el_val_t name);
el_val_t is_duration_name(el_val_t name);
el_val_t is_int_call(el_val_t call_expr);
el_val_t is_instant_call(el_val_t call_expr);
el_val_t is_duration_call(el_val_t call_expr);
el_val_t is_calendar_name(el_val_t name);
el_val_t is_caltime_name(el_val_t name);
el_val_t is_rhythm_name(el_val_t name);
el_val_t is_localdate_name(el_val_t name);
el_val_t is_localtime_name(el_val_t name);
el_val_t is_localdt_name(el_val_t name);
el_val_t is_zone_name(el_val_t name);
el_val_t is_calendar_call(el_val_t call_expr);
el_val_t is_caltime_call(el_val_t call_expr);
el_val_t is_rhythm_call(el_val_t call_expr);
el_val_t is_localdate_call(el_val_t call_expr);
el_val_t is_localtime_call(el_val_t call_expr);
el_val_t is_localdt_call(el_val_t call_expr);
el_val_t is_zone_call(el_val_t call_expr);
el_val_t is_calendar_expr(el_val_t expr);
el_val_t is_caltime_expr(el_val_t expr);
el_val_t is_rhythm_expr(el_val_t expr);
el_val_t is_localdate_expr(el_val_t expr);
el_val_t is_localtime_expr(el_val_t expr);
el_val_t is_localdt_expr(el_val_t expr);
el_val_t is_zone_expr(el_val_t expr);
el_val_t is_instant_expr(el_val_t expr);
el_val_t is_duration_expr(el_val_t expr);
el_val_t time_record_violation(el_val_t kind, el_val_t detail);
el_val_t is_int_expr(el_val_t expr);
el_val_t is_float_expr(el_val_t expr);
el_val_t cap_record_violation(el_val_t kind, el_val_t fn_name);
el_val_t is_self_formation_call(el_val_t fn_name);
el_val_t is_dharma_call(el_val_t fn_name);
el_val_t is_llm_call(el_val_t fn_name);
el_val_t cap_check_call(el_val_t fn_name);
el_val_t emit_cap_violations(void);
el_val_t emit_time_violations(void);
el_val_t builtin_arity(el_val_t name);
el_val_t arity_record_violation(el_val_t fn_name, el_val_t expected, el_val_t actual);
el_val_t arity_check_call(el_val_t fn_name, el_val_t actual);
el_val_t emit_arity_violations(void);
el_val_t add_int_name(el_val_t name);
el_val_t add_instant_name(el_val_t name);
el_val_t add_duration_name(el_val_t name);
el_val_t add_calendar_name(el_val_t name);
el_val_t add_caltime_name(el_val_t name);
el_val_t add_rhythm_name(el_val_t name);
el_val_t add_localdate_name(el_val_t name);
el_val_t add_localtime_name(el_val_t name);
el_val_t add_localdt_name(el_val_t name);
el_val_t add_zone_name(el_val_t name);
el_val_t build_int_names_for_params(el_val_t params);
el_val_t cg_fn(el_val_t stmt);
el_val_t is_fndef(el_val_t stmt);
el_val_t is_top_level_decl(el_val_t stmt);
el_val_t cgi_arg(el_val_t value, el_val_t has_value);
el_val_t vbd_is_restricted_name(el_val_t name);
el_val_t vbd_expr_has_restricted_call(el_val_t expr);
el_val_t vbd_has_restricted_call(el_val_t stmts);
el_val_t codegen(el_val_t stmts, el_val_t source);
el_val_t cg_decl_streaming(el_val_t stmt);
el_val_t emit_streaming_preamble(el_val_t sigs, el_val_t source);
el_val_t codegen_streaming(el_val_t tokens, el_val_t sigs, el_val_t source);
el_val_t js_escape(el_val_t s);
el_val_t js_str_lit(el_val_t s);
el_val_t js_emit_line(el_val_t line);
el_val_t js_emit_blank(void);
el_val_t js_binop(el_val_t op);
el_val_t js_is_el_method(el_val_t name);
el_val_t js_is_async_builtin(el_val_t name);
el_val_t js_register_async_fn(el_val_t name);
el_val_t js_is_async_fn(el_val_t name);
el_val_t js_is_int_name(el_val_t name);
el_val_t js_add_int_name(el_val_t name);
el_val_t js_build_int_names_for_params(el_val_t params);
el_val_t js_is_int_call(el_val_t call_expr);
el_val_t js_next_html_id(void);
el_val_t js_cg_html_parts(el_val_t children, el_val_t acc_var);
el_val_t js_cg_html_attrs_str(el_val_t attrs, el_val_t acc_var);
el_val_t js_cg_html_element_str(el_val_t elem, el_val_t acc_var);
el_val_t js_cg_html_each(el_val_t node, el_val_t acc_var);
el_val_t js_cg_html_template(el_val_t expr);
el_val_t js_cg_expr(el_val_t expr);
el_val_t js_next_match_id(void);
el_val_t js_cg_match(el_val_t expr);
el_val_t js_next_lambda_id(void);
el_val_t js_cg_lambda(el_val_t expr);
el_val_t js_list_contains(el_val_t lst, el_val_t s);
el_val_t js_cg_stmt(el_val_t stmt, el_val_t indent, el_val_t declared);
el_val_t js_strip_outer_parens(el_val_t s);
el_val_t js_cg_if_stmt(el_val_t expr, el_val_t indent, el_val_t declared);
el_val_t js_cg_for_body(el_val_t item, el_val_t list_expr, el_val_t body, el_val_t indent, el_val_t declared);
el_val_t js_cg_for_stmt(el_val_t expr, el_val_t indent, el_val_t declared);
el_val_t js_cg_stmts(el_val_t stmts, el_val_t indent, el_val_t declared);
el_val_t js_params_str(el_val_t params);
el_val_t js_transform_implicit_return(el_val_t body);
el_val_t js_cg_fn(el_val_t stmt);
el_val_t js_is_fndef(el_val_t stmt);
el_val_t js_is_top_level_decl(el_val_t stmt);
el_val_t codegen_js(el_val_t stmts, el_val_t source);
el_val_t codegen_js_bundle(el_val_t stmts, el_val_t source, el_val_t runtime_content);
el_val_t codegen_js_inner(el_val_t stmts, el_val_t source, el_val_t bundle_mode, el_val_t runtime_content);
el_val_t js_strip_es_exports(el_val_t content);
el_val_t compile(el_val_t source);
el_val_t compile_test(el_val_t source);
el_val_t compile_js(el_val_t source);
el_val_t compile_js_with_bundle(el_val_t source, el_val_t runtime_path);
el_val_t compile_dispatch(el_val_t tgt, el_val_t source);
el_val_t compile_dispatch_bundle(el_val_t tgt, el_val_t source, el_val_t runtime_path);
el_val_t detect_target(el_val_t argv);
el_val_t strip_flags(el_val_t argv);
el_val_t detect_emit_header(el_val_t argv);
el_val_t detect_bundle(el_val_t argv);
el_val_t detect_minify(el_val_t argv);
el_val_t detect_obfuscate(el_val_t argv);
el_val_t detect_test(el_val_t argv);
el_val_t make_temp_path(el_val_t suffix);
el_val_t js_reserved_names(void);
el_val_t find_node_tool(el_val_t tool_name, el_val_t src_dir);
el_val_t apply_minify(el_val_t js_path, el_val_t out_path, el_val_t src_dir);
el_val_t apply_obfuscate(el_val_t js_path, el_val_t out_path, el_val_t src_dir);
el_val_t resolve_runtime_path(el_val_t src_path);
el_val_t type_node_to_el(el_val_t t);
el_val_t emit_header(el_val_t stmts, el_val_t hdr_path);
el_val_t dirname_of(el_val_t path);
el_val_t parse_import_line(el_val_t trimmed, el_val_t dir);
el_val_t resolve_imports(el_val_t src_path);
el_val_t run_with_postprocess(el_val_t tgt, el_val_t source, el_val_t src_path, el_val_t do_bundle, el_val_t do_obfuscate, el_val_t argc, el_val_t positional);

el_val_t is_digit_code(el_val_t c) {
  if (c >= 48) {
    if (c <= 57) {
      return 1;
    }
  }
  return 0;
  return 0;
}

el_val_t is_alpha_code(el_val_t c) {
  if (c >= 65) {
    if (c <= 90) {
      return 1;
    }
  }
  if (c >= 97) {
    if (c <= 122) {
      return 1;
    }
  }
  return 0;
  return 0;
}

el_val_t is_alnum_or_underscore_code(el_val_t c) {
  if (is_digit_code(c)) {
    return 1;
  }
  if (is_alpha_code(c)) {
    return 1;
  }
  if (c == 95) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_ws_code(el_val_t c) {
  if (c == 32) {
    return 1;
  }
  if (c == 9) {
    return 1;
  }
  if (c == 10) {
    return 1;
  }
  if (c == 13) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t lex_is_digit(el_val_t ch) {
  if (str_eq(ch, EL_STR("0"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("1"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("2"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("3"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("4"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("5"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("6"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("7"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("8"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("9"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t lex_is_alpha(el_val_t ch) {
  if (str_eq(ch, EL_STR("a"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("b"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("c"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("d"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("e"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("f"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("g"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("h"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("i"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("j"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("k"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("l"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("m"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("n"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("o"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("p"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("q"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("r"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("s"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("t"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("u"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("v"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("w"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("x"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("y"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("z"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("A"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("B"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("C"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("D"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("E"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("F"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("G"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("H"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("I"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("J"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("K"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("L"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("M"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("N"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("O"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("P"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("Q"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("R"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("S"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("T"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("U"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("V"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("W"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("X"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("Y"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("Z"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_alnum_or_underscore(el_val_t ch) {
  if (lex_is_digit(ch)) {
    return 1;
  }
  if (lex_is_alpha(ch)) {
    return 1;
  }
  if (str_eq(ch, EL_STR("_"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t lex_is_whitespace(el_val_t ch) {
  if (str_eq(ch, EL_STR(" "))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("\t"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("\n"))) {
    return 1;
  }
  if (str_eq(ch, EL_STR("\r"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t tok_append(el_val_t tokens, el_val_t kind, el_val_t value) {
  tokens = native_list_append(tokens, kind);
  return native_list_append(tokens, value);
  return 0;
}

el_val_t keyword_kind(el_val_t word) {
  if (str_eq(word, EL_STR("let"))) {
    return EL_STR("Let");
  }
  if (str_eq(word, EL_STR("fn"))) {
    return EL_STR("Fn");
  }
  if (str_eq(word, EL_STR("type"))) {
    return EL_STR("Type");
  }
  if (str_eq(word, EL_STR("enum"))) {
    return EL_STR("Enum");
  }
  if (str_eq(word, EL_STR("match"))) {
    return EL_STR("Match");
  }
  if (str_eq(word, EL_STR("return"))) {
    return EL_STR("Return");
  }
  if (str_eq(word, EL_STR("if"))) {
    return EL_STR("If");
  }
  if (str_eq(word, EL_STR("else"))) {
    return EL_STR("Else");
  }
  if (str_eq(word, EL_STR("for"))) {
    return EL_STR("For");
  }
  if (str_eq(word, EL_STR("in"))) {
    return EL_STR("In");
  }
  if (str_eq(word, EL_STR("while"))) {
    return EL_STR("While");
  }
  if (str_eq(word, EL_STR("import"))) {
    return EL_STR("Import");
  }
  if (str_eq(word, EL_STR("from"))) {
    return EL_STR("From");
  }
  if (str_eq(word, EL_STR("as"))) {
    return EL_STR("As");
  }
  if (str_eq(word, EL_STR("with"))) {
    return EL_STR("With");
  }
  if (str_eq(word, EL_STR("sealed"))) {
    return EL_STR("Sealed");
  }
  if (str_eq(word, EL_STR("activate"))) {
    return EL_STR("Activate");
  }
  if (str_eq(word, EL_STR("where"))) {
    return EL_STR("Where");
  }
  if (str_eq(word, EL_STR("test"))) {
    return EL_STR("Test");
  }
  if (str_eq(word, EL_STR("seed"))) {
    return EL_STR("Seed");
  }
  if (str_eq(word, EL_STR("assert"))) {
    return EL_STR("Assert");
  }
  if (str_eq(word, EL_STR("protocol"))) {
    return EL_STR("Protocol");
  }
  if (str_eq(word, EL_STR("impl"))) {
    return EL_STR("Impl");
  }
  if (str_eq(word, EL_STR("retry"))) {
    return EL_STR("Retry");
  }
  if (str_eq(word, EL_STR("times"))) {
    return EL_STR("Times");
  }
  if (str_eq(word, EL_STR("fallback"))) {
    return EL_STR("Fallback");
  }
  if (str_eq(word, EL_STR("reason"))) {
    return EL_STR("Reason");
  }
  if (str_eq(word, EL_STR("parallel"))) {
    return EL_STR("Parallel");
  }
  if (str_eq(word, EL_STR("trace"))) {
    return EL_STR("Trace");
  }
  if (str_eq(word, EL_STR("requires"))) {
    return EL_STR("Requires");
  }
  if (str_eq(word, EL_STR("deploy"))) {
    return EL_STR("Deploy");
  }
  if (str_eq(word, EL_STR("to"))) {
    return EL_STR("To");
  }
  if (str_eq(word, EL_STR("via"))) {
    return EL_STR("Via");
  }
  if (str_eq(word, EL_STR("target"))) {
    return EL_STR("Target");
  }
  if (str_eq(word, EL_STR("true"))) {
    return EL_STR("Bool");
  }
  if (str_eq(word, EL_STR("false"))) {
    return EL_STR("Bool");
  }
  if (str_eq(word, EL_STR("cgi"))) {
    return EL_STR("Cgi");
  }
  if (str_eq(word, EL_STR("service"))) {
    return EL_STR("Service");
  }
  if (str_eq(word, EL_STR("manager"))) {
    return EL_STR("Manager");
  }
  if (str_eq(word, EL_STR("engine"))) {
    return EL_STR("Engine");
  }
  if (str_eq(word, EL_STR("accessor"))) {
    return EL_STR("Accessor");
  }
  if (str_eq(word, EL_STR("vessel"))) {
    return EL_STR("Vessel");
  }
  if (str_eq(word, EL_STR("extern"))) {
    return EL_STR("Extern");
  }
  if (str_eq(word, EL_STR("break"))) {
    return EL_STR("Break");
  }
  if (str_eq(word, EL_STR("continue"))) {
    return EL_STR("Continue");
  }
  return EL_STR("");
  return 0;
}

el_val_t scan_digits(el_val_t src, el_val_t start, el_val_t total) {
  el_val_t i = start;
  el_val_t running = 1;
  while (running) {
    if (i >= total) {
      running = 0;
    } else {
      el_val_t c = str_char_code(src, i);
      if (is_digit_code(c)) {
        i = (i + 1);
      } else {
        running = 0;
      }
    }
  }
  return el_map_new(2, "text", str_slice(src, start, i), "pos", i);
  return 0;
}

el_val_t scan_ident(el_val_t src, el_val_t start, el_val_t total) {
  el_val_t i = start;
  el_val_t running = 1;
  while (running) {
    if (i >= total) {
      running = 0;
    } else {
      el_val_t c = str_char_code(src, i);
      if (is_alnum_or_underscore_code(c)) {
        i = (i + 1);
      } else {
        running = 0;
      }
    }
  }
  return el_map_new(2, "text", str_slice(src, start, i), "pos", i);
  return 0;
}

el_val_t substr_at(el_val_t src, el_val_t start, el_val_t total, el_val_t needle) {
  el_val_t nlen = str_len(needle);
  if ((start + nlen) > total) {
    return 0;
  }
  return str_eq(str_slice(src, start, (start + nlen)), needle);
  return 0;
}

el_val_t str_has(el_val_t s, el_val_t needle) {
  return str_contains(s, needle);
  return 0;
}

el_val_t looks_like_code(el_val_t s) {
  if (str_has(s, EL_STR("<script"))) {
    return 1;
  }
  if (str_has(s, EL_STR("<style"))) {
    return 1;
  }
  if (str_has(s, EL_STR("function"))) {
    if (str_has(s, EL_STR(";"))) {
      return 1;
    }
  }
  return 0;
  return 0;
}

el_val_t strip_code_comments(el_val_t s) {
  el_val_t total = str_len(s);
  el_val_t out_parts = native_list_empty();
  el_val_t i = 0;
  el_val_t in_squote = 0;
  el_val_t in_dquote = 0;
  el_val_t in_btick = 0;
  el_val_t prev = EL_STR("");
  while (i < total) {
    el_val_t ch = str_char_at(s, i);
    el_val_t in_js_string = 0;
    if (in_squote) {
      in_js_string = 1;
    }
    if (in_dquote) {
      in_js_string = 1;
    }
    if (in_btick) {
      in_js_string = 1;
    }
    if (in_js_string) {
      if (str_eq(ch, EL_STR("\\"))) {
        out_parts = native_list_append(out_parts, ch);
        el_val_t next_i = (i + 1);
        if (next_i < total) {
          el_val_t nc = str_char_at(s, next_i);
          out_parts = native_list_append(out_parts, nc);
          prev = nc;
          i = (next_i + 1);
        } else {
          prev = ch;
          i = next_i;
        }
      } else {
        if (in_squote) {
          if (str_eq(ch, EL_STR("'"))) {
            in_squote = 0;
          }
        } else {
          if (in_dquote) {
            if (str_eq(ch, EL_STR("\""))) {
              in_dquote = 0;
            }
          } else {
            if (in_btick) {
              if (str_eq(ch, EL_STR("`"))) {
                in_btick = 0;
              }
            }
          }
        }
        out_parts = native_list_append(out_parts, ch);
        prev = ch;
        i = (i + 1);
      }
    } else {
      el_val_t next_i = (i + 1);
      el_val_t next_ch = EL_STR("");
      if (next_i < total) {
        next_ch = str_char_at(s, next_i);
      }
      if (str_eq(ch, EL_STR("/"))) {
        if (str_eq(next_ch, EL_STR("/"))) {
          if (str_eq(prev, EL_STR(":"))) {
            out_parts = native_list_append(out_parts, ch);
            prev = ch;
            i = (i + 1);
          } else {
            i = (i + 2);
            el_val_t scanning = 1;
            while (scanning) {
              if (i >= total) {
                scanning = 0;
              } else {
                el_val_t lc = str_char_at(s, i);
                if (str_eq(lc, EL_STR("\n"))) {
                  scanning = 0;
                } else {
                  i = (i + 1);
                }
              }
            }
            prev = EL_STR("");
          }
        } else {
          if (str_eq(next_ch, EL_STR("*"))) {
            i = (i + 2);
            el_val_t scanning2 = 1;
            while (scanning2) {
              if (i >= total) {
                scanning2 = 0;
              } else {
                el_val_t bc = str_char_at(s, i);
                if (str_eq(bc, EL_STR("*"))) {
                  el_val_t after = (i + 1);
                  if (after < total) {
                    el_val_t nc2 = str_char_at(s, after);
                    if (str_eq(nc2, EL_STR("/"))) {
                      i = (after + 1);
                      scanning2 = 0;
                    } else {
                      i = (i + 1);
                    }
                  } else {
                    i = (i + 1);
                  }
                } else {
                  i = (i + 1);
                }
              }
            }
            prev = EL_STR("");
          } else {
            out_parts = native_list_append(out_parts, ch);
            prev = ch;
            i = (i + 1);
          }
        }
      } else {
        if (str_eq(ch, EL_STR("'"))) {
          in_squote = 1;
          out_parts = native_list_append(out_parts, ch);
          prev = ch;
          i = (i + 1);
        } else {
          if (str_eq(ch, EL_STR("\""))) {
            in_dquote = 1;
            out_parts = native_list_append(out_parts, ch);
            prev = ch;
            i = (i + 1);
          } else {
            if (str_eq(ch, EL_STR("`"))) {
              in_btick = 1;
              out_parts = native_list_append(out_parts, ch);
              prev = ch;
              i = (i + 1);
            } else {
              out_parts = native_list_append(out_parts, ch);
              prev = ch;
              i = (i + 1);
            }
          }
        }
      }
    }
  }
  return str_join(out_parts, EL_STR(""));
  return 0;
}

el_val_t scan_string(el_val_t src, el_val_t start, el_val_t total) {
  el_val_t i = start;
  el_val_t parts = native_list_empty();
  el_val_t running = 1;
  while (running) {
    if (i >= total) {
      running = 0;
    } else {
      el_val_t ch = str_char_at(src, i);
      if (str_eq(ch, EL_STR("\\"))) {
        el_val_t next_i = (i + 1);
        if (next_i < total) {
          el_val_t next_ch = str_char_at(src, next_i);
          if (str_eq(next_ch, EL_STR("\""))) {
            parts = native_list_append(parts, EL_STR("\""));
            i = (next_i + 1);
          } else {
            if (str_eq(next_ch, EL_STR("n"))) {
              parts = native_list_append(parts, EL_STR("\n"));
              i = (next_i + 1);
            } else {
              if (str_eq(next_ch, EL_STR("t"))) {
                parts = native_list_append(parts, EL_STR("\t"));
                i = (next_i + 1);
              } else {
                if (str_eq(next_ch, EL_STR("r"))) {
                  parts = native_list_append(parts, EL_STR("\r"));
                  i = (next_i + 1);
                } else {
                  if (str_eq(next_ch, EL_STR("\\"))) {
                    parts = native_list_append(parts, EL_STR("\\"));
                    i = (next_i + 1);
                  } else {
                    parts = native_list_append(parts, next_ch);
                    i = (next_i + 1);
                  }
                }
              }
            }
          }
        } else {
          i = (i + 1);
        }
      } else {
        if (str_eq(ch, EL_STR("\""))) {
          i = (i + 1);
          running = 0;
        } else {
          parts = native_list_append(parts, ch);
          i = (i + 1);
        }
      }
    }
  }
  return el_map_new(2, "text", str_join(parts, EL_STR("")), "pos", i);
  return 0;
}

el_val_t scan_interp_brace(el_val_t src, el_val_t start, el_val_t total) {
  el_val_t i = start;
  el_val_t depth = 1;
  el_val_t running = 1;
  while (running) {
    if (i >= total) {
      running = 0;
    } else {
      el_val_t ch = str_char_at(src, i);
      if (str_eq(ch, EL_STR("{"))) {
        depth = (depth + 1);
        i = (i + 1);
      } else {
        if (str_eq(ch, EL_STR("}"))) {
          depth = (depth - 1);
          if (depth <= 0) {
            i = (i + 1);
            running = 0;
          } else {
            i = (i + 1);
          }
        } else {
          i = (i + 1);
        }
      }
    }
  }
  return el_map_new(2, "text", str_slice(src, start, (i - 1)), "pos", i);
  return 0;
}

el_val_t interp_tokens_append_all(el_val_t dst, el_val_t src) {
  el_val_t src_len = native_list_len(src);
  el_val_t j = 0;
  el_val_t result = dst;
  while (j < src_len) {
    el_val_t kind = native_list_get(src, j);
    if (str_eq(kind, EL_STR("Eof"))) {
      j = src_len;
    } else {
      el_val_t val = native_list_get(src, (j + 1));
      result = native_list_append(result, kind);
      result = native_list_append(result, val);
      j = (j + 2);
    }
  }
  return result;
  return 0;
}

el_val_t scan_interp_string(el_val_t src, el_val_t start, el_val_t total) {
  el_val_t i = start;
  el_val_t out_tokens = native_list_empty();
  el_val_t cur_parts = native_list_empty();
  el_val_t clean_start = start;
  el_val_t has_interp = 0;
  el_val_t need_plus = 0;
  el_val_t running = 1;
  while (running) {
    if (i >= total) {
      running = 0;
    } else {
      el_val_t c = str_char_code(src, i);
      if (c == 92) {
        if (clean_start < i) {
          cur_parts = native_list_append(cur_parts, str_slice(src, clean_start, i));
        }
        el_val_t next_i = (i + 1);
        if (next_i < total) {
          el_val_t nc = str_char_code(src, next_i);
          if (nc == 36) {
            cur_parts = native_list_append(cur_parts, EL_STR("$"));
            clean_start = (next_i + 1);
            i = (next_i + 1);
          } else {
            if (nc == 34) {
              cur_parts = native_list_append(cur_parts, EL_STR("\""));
              clean_start = (next_i + 1);
              i = (next_i + 1);
            } else {
              if (nc == 110) {
                cur_parts = native_list_append(cur_parts, EL_STR("\n"));
                clean_start = (next_i + 1);
                i = (next_i + 1);
              } else {
                if (nc == 116) {
                  cur_parts = native_list_append(cur_parts, EL_STR("\t"));
                  clean_start = (next_i + 1);
                  i = (next_i + 1);
                } else {
                  if (nc == 114) {
                    cur_parts = native_list_append(cur_parts, EL_STR("\r"));
                    clean_start = (next_i + 1);
                    i = (next_i + 1);
                  } else {
                    if (nc == 92) {
                      cur_parts = native_list_append(cur_parts, EL_STR("\\"));
                      clean_start = (next_i + 1);
                      i = (next_i + 1);
                    } else {
                      cur_parts = native_list_append(cur_parts, str_slice(src, next_i, (next_i + 1)));
                      clean_start = (next_i + 1);
                      i = (next_i + 1);
                    }
                  }
                }
              }
            }
          }
        } else {
          clean_start = next_i;
          i = next_i;
        }
      } else {
        if (c == 34) {
          if (clean_start < i) {
            cur_parts = native_list_append(cur_parts, str_slice(src, clean_start, i));
          }
          i = (i + 1);
          clean_start = i;
          running = 0;
        } else {
          if (c == 36) {
            el_val_t next_i = (i + 1);
            el_val_t is_interp = 0;
            if (next_i < total) {
              el_val_t nc2 = str_char_code(src, next_i);
              if (nc2 == 123) {
                is_interp = 1;
              }
            }
            if (is_interp) {
              if (clean_start < i) {
                cur_parts = native_list_append(cur_parts, str_slice(src, clean_start, i));
              }
              el_val_t part_len = native_list_len(cur_parts);
              if (part_len > 0) {
                el_val_t part_text = str_join(cur_parts, EL_STR(""));
                if (need_plus) {
                  out_tokens = tok_append(out_tokens, EL_STR("Plus"), EL_STR("+"));
                }
                el_val_t clean_part = part_text;
                if (looks_like_code(part_text)) {
                  clean_part = strip_code_comments(part_text);
                }
                out_tokens = tok_append(out_tokens, EL_STR("Str"), clean_part);
                need_plus = 1;
              }
              cur_parts = native_list_empty();
              has_interp = 1;
              el_val_t brace_result = scan_interp_brace(src, (next_i + 1), total);
              el_val_t expr_src = el_get_field(brace_result, EL_STR("text"));
              el_val_t new_i = el_get_field(brace_result, EL_STR("pos"));
              i = new_i;
              clean_start = new_i;
              el_val_t inner_toks = lex(expr_src);
              el_val_t inner_len = native_list_len(inner_toks);
              if (need_plus) {
                out_tokens = tok_append(out_tokens, EL_STR("Plus"), EL_STR("+"));
              }
              if (inner_len <= 2) {
                out_tokens = tok_append(out_tokens, EL_STR("Str"), EL_STR(""));
              } else {
                out_tokens = tok_append(out_tokens, EL_STR("LParen"), EL_STR("("));
                out_tokens = interp_tokens_append_all(out_tokens, inner_toks);
                out_tokens = tok_append(out_tokens, EL_STR("RParen"), EL_STR(")"));
              }
              need_plus = 1;
            } else {
              i = (i + 1);
            }
          } else {
            i = (i + 1);
          }
        }
      }
    }
  }
  if (clean_start < i) {
    cur_parts = native_list_append(cur_parts, str_slice(src, clean_start, i));
  }
  el_val_t part_len = native_list_len(cur_parts);
  el_val_t part_text = str_join(cur_parts, EL_STR(""));
  if (has_interp) {
    if (part_len > 0) {
      el_val_t clean_part = part_text;
      if (looks_like_code(part_text)) {
        clean_part = strip_code_comments(part_text);
      }
      if (need_plus) {
        out_tokens = tok_append(out_tokens, EL_STR("Plus"), EL_STR("+"));
      }
      out_tokens = tok_append(out_tokens, EL_STR("Str"), clean_part);
    }
  } else {
    el_val_t clean_text = part_text;
    if (looks_like_code(part_text)) {
      clean_text = strip_code_comments(part_text);
    }
    out_tokens = tok_append(out_tokens, EL_STR("Str"), clean_text);
  }
  return el_map_new(2, "tokens", out_tokens, "pos", i);
  return 0;
}

el_val_t lex(el_val_t source) {
  el_val_t total = str_len(source);
  el_val_t tokens = native_list_empty();
  el_val_t i = 0;
  while (i < total) {
    el_val_t c = str_char_code(source, i);
    if (is_ws_code(c)) {
      i = (i + 1);
    } else {
      if (c == 47) {
        el_val_t next_i = (i + 1);
        if (next_i < total) {
          el_val_t nc = str_char_code(source, next_i);
          if (nc == 47) {
            i = (i + 2);
            el_val_t running2 = 1;
            while (running2) {
              if (i >= total) {
                running2 = 0;
              } else {
                el_val_t lc = str_char_code(source, i);
                if (lc == 10) {
                  running2 = 0;
                } else {
                  i = (i + 1);
                }
              }
            }
          } else {
            tokens = tok_append(tokens, EL_STR("Slash"), EL_STR("/"));
            i = (i + 1);
          }
        } else {
          tokens = tok_append(tokens, EL_STR("Slash"), EL_STR("/"));
          i = (i + 1);
        }
      } else {
        if (c == 34) {
          el_val_t interp_result = scan_interp_string(source, (i + 1), total);
          el_val_t interp_toks = el_get_field(interp_result, EL_STR("tokens"));
          el_val_t new_pos = el_get_field(interp_result, EL_STR("pos"));
          tokens = interp_tokens_append_all(tokens, interp_toks);
          i = new_pos;
        } else {
          if (is_digit_code(c)) {
            el_val_t result = scan_digits(source, i, total);
            el_val_t num_text = el_get_field(result, EL_STR("text"));
            el_val_t new_pos = el_get_field(result, EL_STR("pos"));
            if (new_pos < total) {
              el_val_t dc = str_char_code(source, new_pos);
              if (dc == 46) {
                el_val_t after_dot = (new_pos + 1);
                if (after_dot < total) {
                  el_val_t adc = str_char_code(source, after_dot);
                  if (is_digit_code(adc)) {
                    el_val_t frac_result = scan_digits(source, after_dot, total);
                    el_val_t frac_text = el_get_field(frac_result, EL_STR("text"));
                    el_val_t frac_pos = el_get_field(frac_result, EL_STR("pos"));
                    tokens = tok_append(tokens, EL_STR("Float"), el_str_concat(el_str_concat(num_text, EL_STR(".")), frac_text));
                    i = frac_pos;
                  } else {
                    tokens = tok_append(tokens, EL_STR("Int"), num_text);
                    i = new_pos;
                  }
                } else {
                  tokens = tok_append(tokens, EL_STR("Int"), num_text);
                  i = new_pos;
                }
              } else {
                tokens = tok_append(tokens, EL_STR("Int"), num_text);
                i = new_pos;
              }
            } else {
              tokens = tok_append(tokens, EL_STR("Int"), num_text);
              i = new_pos;
            }
          } else {
            if (is_alpha_code(c) || (c == 95)) {
              el_val_t result = scan_ident(source, i, total);
              el_val_t word = el_get_field(result, EL_STR("text"));
              el_val_t new_pos = el_get_field(result, EL_STR("pos"));
              el_val_t kw = keyword_kind(word);
              if (str_eq(kw, EL_STR(""))) {
                tokens = tok_append(tokens, EL_STR("Ident"), word);
              } else {
                tokens = tok_append(tokens, kw, word);
              }
              i = new_pos;
            } else {
              el_val_t peek_i = (i + 1);
              el_val_t peek_c = (-1);
              if (peek_i < total) {
                peek_c = str_char_code(source, peek_i);
              }
              if (c == 61) {
                if (peek_c == 61) {
                  tokens = tok_append(tokens, EL_STR("EqEq"), EL_STR("=="));
                  i = (i + 2);
                } else {
                  if (peek_c == 62) {
                    tokens = tok_append(tokens, EL_STR("FatArrow"), EL_STR("=>"));
                    i = (i + 2);
                  } else {
                    tokens = tok_append(tokens, EL_STR("Eq"), EL_STR("="));
                    i = (i + 1);
                  }
                }
              } else {
                if (c == 33) {
                  if (peek_c == 61) {
                    tokens = tok_append(tokens, EL_STR("NotEq"), EL_STR("!="));
                    i = (i + 2);
                  } else {
                    tokens = tok_append(tokens, EL_STR("Not"), EL_STR("!"));
                    i = (i + 1);
                  }
                } else {
                  if (c == 60) {
                    if (peek_c == 61) {
                      tokens = tok_append(tokens, EL_STR("LtEq"), EL_STR("<="));
                      i = (i + 2);
                    } else {
                      tokens = tok_append(tokens, EL_STR("Lt"), EL_STR("<"));
                      i = (i + 1);
                    }
                  } else {
                    if (c == 62) {
                      if (peek_c == 61) {
                        tokens = tok_append(tokens, EL_STR("GtEq"), EL_STR(">="));
                        i = (i + 2);
                      } else {
                        tokens = tok_append(tokens, EL_STR("Gt"), EL_STR(">"));
                        i = (i + 1);
                      }
                    } else {
                      if (c == 38) {
                        if (peek_c == 38) {
                          tokens = tok_append(tokens, EL_STR("And"), EL_STR("&&"));
                          i = (i + 2);
                        } else {
                          i = (i + 1);
                        }
                      } else {
                        if (c == 124) {
                          if (peek_c == 124) {
                            tokens = tok_append(tokens, EL_STR("Or"), EL_STR("||"));
                            i = (i + 2);
                          } else {
                            if (peek_c == 62) {
                              tokens = tok_append(tokens, EL_STR("PipeOp"), EL_STR("|>"));
                              i = (i + 2);
                            } else {
                              tokens = tok_append(tokens, EL_STR("Pipe"), EL_STR("|"));
                              i = (i + 1);
                            }
                          }
                        } else {
                          if (c == 45) {
                            if (peek_c == 62) {
                              tokens = tok_append(tokens, EL_STR("Arrow"), EL_STR("->"));
                              i = (i + 2);
                            } else {
                              tokens = tok_append(tokens, EL_STR("Minus"), EL_STR("-"));
                              i = (i + 1);
                            }
                          } else {
                            if (c == 58) {
                              if (peek_c == 58) {
                                tokens = tok_append(tokens, EL_STR("ColonColon"), EL_STR("::"));
                                i = (i + 2);
                              } else {
                                tokens = tok_append(tokens, EL_STR("Colon"), EL_STR(":"));
                                i = (i + 1);
                              }
                            } else {
                              if (c == 43) {
                                tokens = tok_append(tokens, EL_STR("Plus"), EL_STR("+"));
                                i = (i + 1);
                              } else {
                                if (c == 42) {
                                  tokens = tok_append(tokens, EL_STR("Star"), EL_STR("*"));
                                  i = (i + 1);
                                } else {
                                  if (c == 37) {
                                    tokens = tok_append(tokens, EL_STR("Percent"), EL_STR("%"));
                                    i = (i + 1);
                                  } else {
                                    if (c == 40) {
                                      tokens = tok_append(tokens, EL_STR("LParen"), EL_STR("("));
                                      i = (i + 1);
                                    } else {
                                      if (c == 41) {
                                        tokens = tok_append(tokens, EL_STR("RParen"), EL_STR(")"));
                                        i = (i + 1);
                                      } else {
                                        if (c == 123) {
                                          tokens = tok_append(tokens, EL_STR("LBrace"), EL_STR("{"));
                                          i = (i + 1);
                                        } else {
                                          if (c == 125) {
                                            tokens = tok_append(tokens, EL_STR("RBrace"), EL_STR("}"));
                                            i = (i + 1);
                                          } else {
                                            if (c == 91) {
                                              tokens = tok_append(tokens, EL_STR("LBracket"), EL_STR("["));
                                              i = (i + 1);
                                            } else {
                                              if (c == 93) {
                                                tokens = tok_append(tokens, EL_STR("RBracket"), EL_STR("]"));
                                                i = (i + 1);
                                              } else {
                                                if (c == 44) {
                                                  tokens = tok_append(tokens, EL_STR("Comma"), EL_STR(","));
                                                  i = (i + 1);
                                                } else {
                                                  if (c == 46) {
                                                    el_val_t peek2_i = (i + 2);
                                                    el_val_t peek2_c = (-1);
                                                    if (peek2_i < total) {
                                                      peek2_c = str_char_code(source, peek2_i);
                                                    }
                                                    if (peek_c == 46) {
                                                      if (peek2_c == 61) {
                                                        tokens = tok_append(tokens, EL_STR("DotDotEq"), EL_STR("..="));
                                                        i = (i + 3);
                                                      } else {
                                                        tokens = tok_append(tokens, EL_STR("DotDot"), EL_STR(".."));
                                                        i = (i + 2);
                                                      }
                                                    } else {
                                                      tokens = tok_append(tokens, EL_STR("Dot"), EL_STR("."));
                                                      i = (i + 1);
                                                    }
                                                  } else {
                                                    if (c == 59) {
                                                      tokens = tok_append(tokens, EL_STR("Semicolon"), EL_STR(";"));
                                                      i = (i + 1);
                                                    } else {
                                                      if (c == 64) {
                                                        tokens = tok_append(tokens, EL_STR("At"), EL_STR("@"));
                                                        i = (i + 1);
                                                      } else {
                                                        if (c == 63) {
                                                          tokens = tok_append(tokens, EL_STR("QuestionMark"), EL_STR("?"));
                                                          i = (i + 1);
                                                        } else {
                                                          i = (i + 1);
                                                        }
                                                      }
                                                    }
                                                  }
                                                }
                                              }
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  tokens = tok_append(tokens, EL_STR("Eof"), EL_STR(""));
  return tokens;
  return 0;
}

el_val_t tok_at(el_val_t tokens, el_val_t pos) {
  el_val_t kind = native_list_get(tokens, (pos * 2));
  el_val_t value = native_list_get(tokens, ((pos * 2) + 1));
  return el_map_new(2, "kind", kind, "value", value);
  return 0;
}

el_val_t tok_kind(el_val_t tokens, el_val_t pos) {
  return native_list_get(tokens, (pos * 2));
  return 0;
}

el_val_t tok_value(el_val_t tokens, el_val_t pos) {
  return native_list_get(tokens, ((pos * 2) + 1));
  return 0;
}

el_val_t expect(el_val_t tokens, el_val_t pos, el_val_t kind) {
  el_val_t k = tok_kind(tokens, pos);
  if (str_eq(k, kind)) {
    return (pos + 1);
  }
  return (pos + 1);
  return 0;
}

el_val_t make_result(el_val_t node, el_val_t pos) {
  return el_map_new(2, "node", node, "pos", pos);
  return 0;
}

el_val_t skip_type(el_val_t tokens, el_val_t pos) {
  el_val_t k = tok_kind(tokens, pos);
  if (str_eq(k, EL_STR("LBracket"))) {
    el_val_t p = (pos + 1);
    p = skip_type(tokens, p);
    p = expect(tokens, p, EL_STR("RBracket"));
    return p;
  }
  if (str_eq(k, EL_STR("Ident"))) {
    el_val_t p = (pos + 1);
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Lt"))) {
      p = (p + 1);
      el_val_t depth = 1;
      el_val_t running = 1;
      while (running) {
        el_val_t kk = tok_kind(tokens, p);
        if (str_eq(kk, EL_STR("Eof"))) {
          running = 0;
        } else {
          if (str_eq(kk, EL_STR("Lt"))) {
            depth = (depth + 1);
            p = (p + 1);
          } else {
            if (str_eq(kk, EL_STR("Gt"))) {
              depth = (depth - 1);
              p = (p + 1);
              if (depth <= 0) {
                running = 0;
              }
            } else {
              p = (p + 1);
            }
          }
        }
      }
      el_val_t k3 = tok_kind(tokens, p);
      if (str_eq(k3, EL_STR("QuestionMark"))) {
        p = (p + 1);
      }
      return p;
    }
    if (str_eq(k2, EL_STR("QuestionMark"))) {
      return (p + 1);
    }
    return p;
  }
  return (pos + 1);
  return 0;
}

el_val_t parse_params(el_val_t tokens, el_val_t pos) {
  el_val_t p = expect(tokens, pos, EL_STR("LParen"));
  el_val_t params = native_list_empty();
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("RParen"))) {
      running = 0;
    } else {
      if (str_eq(k, EL_STR("Eof"))) {
        running = 0;
      } else {
        el_val_t pname = tok_value(tokens, p);
        p = (p + 1);
        p = expect(tokens, p, EL_STR("Colon"));
        el_val_t ptype = EL_STR("");
        el_val_t kt = tok_kind(tokens, p);
        if (str_eq(kt, EL_STR("Ident"))) {
          ptype = tok_value(tokens, p);
        }
        p = skip_type(tokens, p);
        el_val_t param = el_map_new(2, "name", pname, "type", ptype);
        params = native_list_append(params, param);
        el_val_t k2 = tok_kind(tokens, p);
        if (str_eq(k2, EL_STR("Comma"))) {
          p = (p + 1);
        }
      }
    }
  }
  p = expect(tokens, p, EL_STR("RParen"));
  return el_map_new(2, "params", params, "pos", p);
  return 0;
}

el_val_t is_html_tag_name(el_val_t name) {
  if (str_eq(name, EL_STR("a"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("abbr"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("address"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("area"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("article"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("aside"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("audio"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("b"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("base"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("blockquote"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("body"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("br"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("button"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("canvas"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("caption"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("cite"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("code"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("col"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("colgroup"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("data"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("datalist"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dd"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("del"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("details"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dfn"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dialog"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("div"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dl"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dt"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("em"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("embed"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("fieldset"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("figcaption"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("figure"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("footer"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("form"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("h1"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("h2"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("h3"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("h4"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("h5"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("h6"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("head"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("header"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("hr"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("html"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("i"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("iframe"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("img"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("input"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("ins"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("kbd"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("label"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("legend"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("li"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("link"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("main"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("map"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("mark"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("menu"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("meta"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("meter"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("nav"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("noscript"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("object"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("ol"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("optgroup"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("option"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("output"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("p"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("param"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("picture"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("pre"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("progress"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("q"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rp"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rt"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("ruby"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("s"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("samp"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("script"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("section"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("select"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("small"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("source"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("span"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("strong"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("style"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("sub"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("summary"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("sup"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("table"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("tbody"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("td"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("template"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("textarea"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("tfoot"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("th"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("thead"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("title"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("tr"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("track"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("u"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("ul"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("var"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("video"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("wbr"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_void_element(el_val_t name) {
  if (str_eq(name, EL_STR("area"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("base"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("br"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("col"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("embed"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("hr"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("img"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("input"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("link"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("meta"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("param"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("source"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("track"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("wbr"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t parse_raw_text_content(el_val_t tokens, el_val_t pos, el_val_t tag_name) {
  el_val_t parts = native_list_empty();
  el_val_t p = pos;
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("Eof"))) {
      running = 0;
    } else {
      if (str_eq(k, EL_STR("Lt"))) {
        el_val_t k2 = tok_kind(tokens, (p + 1));
        if (str_eq(k2, EL_STR("Slash"))) {
          el_val_t close_name = tok_value(tokens, (p + 2));
          if (str_eq(close_name, tag_name)) {
            p = (p + 3);
            p = expect(tokens, p, EL_STR("Gt"));
            running = 0;
          } else {
            el_val_t v = tok_value(tokens, p);
            parts = native_list_append(parts, v);
            p = (p + 1);
          }
        } else {
          el_val_t v = tok_value(tokens, p);
          parts = native_list_append(parts, v);
          p = (p + 1);
        }
      } else {
        el_val_t v = tok_value(tokens, p);
        parts = native_list_append(parts, v);
        p = (p + 1);
      }
    }
  }
  return el_map_new(2, "text", str_join(parts, EL_STR(" ")), "pos", p);
  return 0;
}

el_val_t parse_html_text_tokens(el_val_t tokens, el_val_t pos) {
  el_val_t parts = native_list_empty();
  el_val_t p = pos;
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("Eof"))) {
      running = 0;
    } else {
      if (str_eq(k, EL_STR("Lt"))) {
        running = 0;
      } else {
        if (str_eq(k, EL_STR("LBrace"))) {
          running = 0;
        } else {
          el_val_t v = tok_value(tokens, p);
          parts = native_list_append(parts, v);
          p = (p + 1);
        }
      }
    }
  }
  return el_map_new(2, "text", str_join(parts, EL_STR(" ")), "pos", p);
  return 0;
}

el_val_t parse_html_attrs(el_val_t tokens, el_val_t pos) {
  el_val_t attrs = native_list_empty();
  el_val_t p = pos;
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("Gt"))) {
      running = 0;
    } else {
      if (str_eq(k, EL_STR("Slash"))) {
        running = 0;
      } else {
        if (str_eq(k, EL_STR("Eof"))) {
          running = 0;
        } else {
          el_val_t attr_name = tok_value(tokens, p);
          p = (p + 1);
          el_val_t k2 = tok_kind(tokens, p);
          if (str_eq(k2, EL_STR("Eq"))) {
            p = (p + 1);
            el_val_t k3 = tok_kind(tokens, p);
            if (str_eq(k3, EL_STR("Str"))) {
              el_val_t attr_val = tok_value(tokens, p);
              p = (p + 1);
              attrs = native_list_append(attrs, el_map_new(3, "name", attr_name, "kind", EL_STR("static"), "value", attr_val));
            } else {
              if (str_eq(k3, EL_STR("LBrace"))) {
                el_val_t r = parse_expr(tokens, (p + 1));
                el_val_t val_node = el_get_field(r, EL_STR("node"));
                p = el_get_field(r, EL_STR("pos"));
                el_release(r);
                p = expect(tokens, p, EL_STR("RBrace"));
                attrs = native_list_append(attrs, el_map_new(3, "name", attr_name, "kind", EL_STR("dynamic"), "value", val_node));
              } else {
              }
            }
          } else {
            attrs = native_list_append(attrs, el_map_new(2, "name", attr_name, "kind", EL_STR("bool")));
          }
        }
      }
    }
  }
  return el_map_new(2, "attrs", attrs, "pos", p);
  return 0;
}

el_val_t parse_html_children(el_val_t tokens, el_val_t pos, el_val_t parent_tag) {
  el_val_t children = native_list_empty();
  el_val_t p = pos;
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("Eof"))) {
      running = 0;
    } else {
      /* A bare `}` at this level is the El function-body closing brace —
       * e.g. <body> intentionally left open in page_open(), closed by
       * page_close().  Stop here so the outer El parser can consume the `}`. */
      if (str_eq(k, EL_STR("RBrace"))) {
        running = 0;
      } else {
      if (str_eq(k, EL_STR("Lt"))) {
        el_val_t k2 = tok_kind(tokens, (p + 1));
        if (str_eq(k2, EL_STR("Slash"))) {
          p = (p + 2);
          el_val_t close_name = tok_value(tokens, p);
          p = (p + 1);
          p = expect(tokens, p, EL_STR("Gt"));
          running = 0;
        } else {
          if (str_eq(k2, EL_STR("Not"))) {
            el_val_t k3_v = str_lower(tok_value(tokens, (p + 2)));
            if (str_eq(k3_v, EL_STR("doctype"))) {
              p = (p + 2);
              el_val_t scanning = 1;
              while (scanning) {
                el_val_t ck = tok_kind(tokens, p);
                if (str_eq(ck, EL_STR("Eof"))) {
                  scanning = 0;
                }
                if (str_eq(ck, EL_STR("Gt"))) {
                  p = (p + 1);
                  scanning = 0;
                } else {
                  p = (p + 1);
                }
              }
              children = native_list_append(children, el_map_new(1, "html", EL_STR("Doctype")));
            } else {
              p = (p + 1);
            }
          } else {
            el_val_t r = parse_html_element(tokens, p);
            el_val_t child = el_get_field(r, EL_STR("node"));
            p = el_get_field(r, EL_STR("pos"));
            el_release(r);
            children = native_list_append(children, child);
          }
        }
      } else {
        if (str_eq(k, EL_STR("LBrace"))) {
          el_val_t k2 = tok_kind(tokens, (p + 1));
          if (str_eq(k2, EL_STR("Slash"))) {
            p = (p + 2);
            p = (p + 1);
            p = expect(tokens, p, EL_STR("RBrace"));
            running = 0;
          } else {
            if (str_eq(k2, EL_STR("If"))) {
              p = (p + 2);
              el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
              state_set(EL_STR("__no_block_expr"), EL_STR("1"));
              el_val_t r_cond = parse_expr(tokens, p);
              state_set(EL_STR("__no_block_expr"), prev_no_block);
              el_val_t cond_expr = el_get_field(r_cond, EL_STR("node"));
              p = el_get_field(r_cond, EL_STR("pos"));
              el_release(r_cond);
              p = expect(tokens, p, EL_STR("RBrace"));
              el_val_t r_then = parse_html_children(tokens, p, EL_STR("__if_then__"));
              el_val_t then_children = el_get_field(r_then, EL_STR("children"));
              p = el_get_field(r_then, EL_STR("pos"));
              el_release(r_then);
              el_val_t else_children = native_list_empty();
              el_val_t ck = tok_kind(tokens, p);
              if (str_eq(ck, EL_STR("LBrace"))) {
                el_val_t ck2 = tok_kind(tokens, (p + 1));
                if (str_eq(ck2, EL_STR("Else"))) {
                  p = (p + 2);
                  p = expect(tokens, p, EL_STR("RBrace"));
                  el_val_t r_else = parse_html_children(tokens, p, EL_STR("__if_else__"));
                  else_children = el_get_field(r_else, EL_STR("children"));
                  p = el_get_field(r_else, EL_STR("pos"));
                  el_release(r_else);
                }
              }
              el_val_t if_node = el_map_new(4, "html", EL_STR("HtmlIf"), "cond", cond_expr, "then", then_children, "else", else_children);
              children = native_list_append(children, if_node);
            } else {
              if (str_eq(k2, EL_STR("Else"))) {
                running = 0;
              } else {
                el_val_t k2_v = tok_value(tokens, (p + 1));
                if (str_eq(k2_v, EL_STR("each"))) {
                  p = (p + 2);
                  el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
                  state_set(EL_STR("__no_block_expr"), EL_STR("1"));
                  el_val_t r_list = parse_expr(tokens, p);
                  state_set(EL_STR("__no_block_expr"), prev_no_block);
                  el_val_t list_expr = el_get_field(r_list, EL_STR("node"));
                  p = el_get_field(r_list, EL_STR("pos"));
                  el_release(r_list);
                  p = expect(tokens, p, EL_STR("As"));
                  el_val_t item_name = tok_value(tokens, p);
                  p = (p + 1);
                  p = expect(tokens, p, EL_STR("RBrace"));
                  el_val_t r_body = parse_html_each_body(tokens, p);
                  el_val_t body_children = el_get_field(r_body, EL_STR("children"));
                  p = el_get_field(r_body, EL_STR("pos"));
                  el_release(r_body);
                  el_val_t each_node = el_map_new(4, "html", EL_STR("Each"), "list", list_expr, "item", item_name, "body", body_children);
                  children = native_list_append(children, each_node);
                } else {
                  el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
                  state_set(EL_STR("__no_block_expr"), EL_STR("1"));
                  el_val_t r = parse_expr(tokens, (p + 1));
                  state_set(EL_STR("__no_block_expr"), prev_no_block);
                  el_val_t interp_val = el_get_field(r, EL_STR("node"));
                  p = el_get_field(r, EL_STR("pos"));
                  el_release(r);
                  p = expect(tokens, p, EL_STR("RBrace"));
                  el_val_t is_raw_call = 0;
                  el_val_t interp_kind = el_get_field(interp_val, EL_STR("expr"));
                  if (str_eq(interp_kind, EL_STR("Call"))) {
                    el_val_t fn_node = el_get_field(interp_val, EL_STR("func"));
                    el_val_t fn_kind = el_get_field(fn_node, EL_STR("expr"));
                    if (str_eq(fn_kind, EL_STR("Ident"))) {
                      el_val_t fn_name_v = el_get_field(fn_node, EL_STR("name"));
                      if (str_eq(fn_name_v, EL_STR("raw"))) {
                        is_raw_call = 1;
                      }
                    }
                  }
                  if (is_raw_call) {
                    el_val_t raw_args = el_get_field(interp_val, EL_STR("args"));
                    el_val_t raw_inner = native_list_get(raw_args, 0);
                    children = native_list_append(children, el_map_new(2, "html", EL_STR("Raw"), "value", raw_inner));
                  } else {
                    children = native_list_append(children, el_map_new(2, "html", EL_STR("Interp"), "value", interp_val));
                  }
                }
              }
            }
          }
        } else {
          el_val_t r_text = parse_html_text_tokens(tokens, p);
          el_val_t text_str = el_get_field(r_text, EL_STR("text"));
          p = el_get_field(r_text, EL_STR("pos"));
          el_release(r_text);
          el_val_t text_trimmed = str_trim(text_str);
          if (!str_eq(text_trimmed, EL_STR(""))) {
            children = native_list_append(children, el_map_new(2, "html", EL_STR("Text"), "text", text_trimmed));
          }
        }
      }
      }   /* closes: else { // not RBrace */
    }
  }
  return el_map_new(2, "children", children, "pos", p);
  return 0;
}

el_val_t parse_html_each_body(el_val_t tokens, el_val_t pos) {
  return parse_html_children(tokens, pos, EL_STR("__each__"));
  return 0;
}

el_val_t parse_html_element(el_val_t tokens, el_val_t pos) {
  el_val_t p = pos;
  p = expect(tokens, p, EL_STR("Lt"));
  el_val_t tag_name = tok_value(tokens, p);
  p = (p + 1);
  el_val_t r_attrs = parse_html_attrs(tokens, p);
  el_val_t attrs = el_get_field(r_attrs, EL_STR("attrs"));
  p = el_get_field(r_attrs, EL_STR("pos"));
  el_release(r_attrs);
  el_val_t k = tok_kind(tokens, p);
  el_val_t self_closing = 0;
  if (str_eq(k, EL_STR("Slash"))) {
    p = (p + 1);
    p = expect(tokens, p, EL_STR("Gt"));
    self_closing = 1;
    return make_result(el_map_new(5, "html", EL_STR("Element"), "tag", tag_name, "attrs", attrs, "children", native_list_empty(), "self_closing", 1), p);
  }
  p = expect(tokens, p, EL_STR("Gt"));
  if (is_void_element(tag_name)) {
    return make_result(el_map_new(5, "html", EL_STR("Element"), "tag", tag_name, "attrs", attrs, "children", native_list_empty(), "self_closing", 1), p);
  }
  if (str_eq(tag_name, EL_STR("style"))) {
    el_val_t r_raw = parse_raw_text_content(tokens, p, EL_STR("style"));
    el_val_t raw_text = el_get_field(r_raw, EL_STR("text"));
    p = el_get_field(r_raw, EL_STR("pos"));
    el_release(r_raw);
    el_val_t raw_child = el_map_new(2, "html", EL_STR("Text"), "text", raw_text);
    el_val_t raw_children = native_list_empty();
    raw_children = native_list_append(raw_children, raw_child);
    return make_result(el_map_new(5, "html", EL_STR("Element"), "tag", tag_name, "attrs", attrs, "children", raw_children, "self_closing", 0), p);
  }
  if (str_eq(tag_name, EL_STR("script"))) {
    el_val_t r_raw = parse_raw_text_content(tokens, p, EL_STR("script"));
    el_val_t raw_text = el_get_field(r_raw, EL_STR("text"));
    p = el_get_field(r_raw, EL_STR("pos"));
    el_release(r_raw);
    el_val_t raw_child = el_map_new(2, "html", EL_STR("Text"), "text", raw_text);
    el_val_t raw_children = native_list_empty();
    raw_children = native_list_append(raw_children, raw_child);
    return make_result(el_map_new(5, "html", EL_STR("Element"), "tag", tag_name, "attrs", attrs, "children", raw_children, "self_closing", 0), p);
  }
  el_val_t r_children = parse_html_children(tokens, p, tag_name);
  el_val_t children = el_get_field(r_children, EL_STR("children"));
  p = el_get_field(r_children, EL_STR("pos"));
  el_release(r_children);
  return make_result(el_map_new(5, "html", EL_STR("Element"), "tag", tag_name, "attrs", attrs, "children", children, "self_closing", 0), p);
  return 0;
}

el_val_t parse_html_template(el_val_t tokens, el_val_t pos) {
  el_val_t p = pos;
  el_val_t doctype = 0;
  el_val_t k = tok_kind(tokens, p);
  el_val_t k2 = tok_kind(tokens, (p + 1));
  if (str_eq(k, EL_STR("Lt"))) {
    if (str_eq(k2, EL_STR("Not"))) {
      el_val_t k3_v = str_lower(tok_value(tokens, (p + 2)));
      if (str_eq(k3_v, EL_STR("doctype"))) {
        doctype = 1;
        p = (p + 2);
        el_val_t scanning = 1;
        while (scanning) {
          el_val_t ck = tok_kind(tokens, p);
          if (str_eq(ck, EL_STR("Eof"))) {
            scanning = 0;
          }
          if (str_eq(ck, EL_STR("Gt"))) {
            p = (p + 1);
            scanning = 0;
          } else {
            p = (p + 1);
          }
        }
      }
    }
  }
  el_val_t r = parse_html_element(tokens, p);
  el_val_t root = el_get_field(r, EL_STR("node"));
  p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  el_val_t root_with_doctype = root;
  if (doctype) {
    root_with_doctype = el_map_new(6, "html", el_get_field(root, EL_STR("html")), "tag", el_get_field(root, EL_STR("tag")), "attrs", el_get_field(root, EL_STR("attrs")), "children", el_get_field(root, EL_STR("children")), "self_closing", el_get_field(root, EL_STR("self_closing")), "doctype", 1);
  }
  return make_result(el_map_new(2, "expr", EL_STR("HtmlTemplate"), "root", root_with_doctype), p);
  return 0;
}

el_val_t parse_primary(el_val_t tokens, el_val_t pos) {
  el_val_t k = tok_kind(tokens, pos);
  el_val_t v = tok_value(tokens, pos);
  if (str_eq(k, EL_STR("Int"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Int"), "value", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Float"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Float"), "value", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Str"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Str"), "value", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Bool"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Bool"), "value", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Lt"))) {
    el_val_t k2 = tok_kind(tokens, (pos + 1));
    if (str_eq(k2, EL_STR("Not"))) {
      return parse_html_template(tokens, pos);
    }
    if (str_eq(k2, EL_STR("Ident"))) {
      el_val_t tag_candidate = tok_value(tokens, (pos + 1));
      if (is_html_tag_name(tag_candidate)) {
        return parse_html_template(tokens, pos);
      }
    }
  }
  if (str_eq(k, EL_STR("Ident"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("LParen"))) {
    el_val_t r = parse_expr(tokens, (pos + 1));
    el_val_t node = el_get_field(r, EL_STR("node"));
    el_val_t p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    p = expect(tokens, p, EL_STR("RParen"));
    return make_result(node, p);
  }
  if (str_eq(k, EL_STR("LBracket"))) {
    el_val_t p = (pos + 1);
    el_val_t elems = native_list_empty();
    el_val_t running = 1;
    while (running) {
      el_val_t k2 = tok_kind(tokens, p);
      if (str_eq(k2, EL_STR("RBracket"))) {
        running = 0;
      } else {
        if (str_eq(k2, EL_STR("Eof"))) {
          running = 0;
        } else {
          el_val_t r = parse_expr(tokens, p);
          el_val_t elem = el_get_field(r, EL_STR("node"));
          p = el_get_field(r, EL_STR("pos"));
          el_release(r);
          elems = native_list_append(elems, elem);
          el_val_t k3 = tok_kind(tokens, p);
          if (str_eq(k3, EL_STR("Comma"))) {
            p = (p + 1);
          }
        }
      }
    }
    p = expect(tokens, p, EL_STR("RBracket"));
    return make_result(el_map_new(2, "expr", EL_STR("Array"), "elems", elems), p);
  }
  if (str_eq(k, EL_STR("LBrace"))) {
    el_val_t no_block = state_get(EL_STR("__no_block_expr"));
    if (str_eq(no_block, EL_STR("1"))) {
      return make_result(el_map_new(1, "expr", EL_STR("Nil")), pos);
    }
    el_val_t first_k = tok_kind(tokens, (pos + 1));
    el_val_t second_k = tok_kind(tokens, (pos + 2));
    if (str_eq(first_k, EL_STR("RBrace"))) {
      return make_result(el_map_new(2, "expr", EL_STR("Map"), "pairs", native_list_empty()), (pos + 2));
    }
    if (str_eq(second_k, EL_STR("Colon"))) {
      el_val_t p = (pos + 1);
      el_val_t pairs = native_list_empty();
      el_val_t running = 1;
      while (running) {
        el_val_t k2 = tok_kind(tokens, p);
        if (str_eq(k2, EL_STR("RBrace"))) {
          running = 0;
        } else {
          if (str_eq(k2, EL_STR("Eof"))) {
            running = 0;
          } else {
            el_val_t key = tok_value(tokens, p);
            el_val_t new_p = (p + 1);
            new_p = expect(tokens, new_p, EL_STR("Colon"));
            el_val_t r = parse_expr(tokens, new_p);
            el_val_t val_node = el_get_field(r, EL_STR("node"));
            new_p = el_get_field(r, EL_STR("pos"));
            el_release(r);
            el_val_t pair = el_map_new(2, "key", key, "value", val_node);
            pairs = native_list_append(pairs, pair);
            el_val_t k3 = tok_kind(tokens, new_p);
            if (str_eq(k3, EL_STR("Comma"))) {
              new_p = (new_p + 1);
            }
            if (new_p <= p) {
              p = (p + 1);
            } else {
              p = new_p;
            }
          }
        }
      }
      p = expect(tokens, p, EL_STR("RBrace"));
      return make_result(el_map_new(2, "expr", EL_STR("Map"), "pairs", pairs), p);
    }
    el_val_t p = pos;
    el_val_t chain_node = el_map_new(1, "expr", EL_STR("Nil"));
    el_val_t chain_started = 0;
    el_val_t chain_running = 1;
    while (chain_running) {
      el_val_t ck = tok_kind(tokens, p);
      if (str_eq(ck, EL_STR("LBrace"))) {
        el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
        state_set(EL_STR("__no_block_expr"), EL_STR("1"));
        el_val_t r = parse_expr(tokens, (p + 1));
        state_set(EL_STR("__no_block_expr"), prev_no_block);
        el_val_t part = el_get_field(r, EL_STR("node"));
        p = el_get_field(r, EL_STR("pos"));
        el_release(r);
        p = expect(tokens, p, EL_STR("RBrace"));
        if (!chain_started) {
          chain_node = part;
          chain_started = 1;
        } else {
          chain_node = el_map_new(4, "expr", EL_STR("BinOp"), "op", EL_STR("Plus"), "left", chain_node, "right", part);
        }
      } else {
        if (str_eq(ck, EL_STR("Lt"))) {
          el_val_t ck2 = tok_kind(tokens, (p + 1));
          if (str_eq(ck2, EL_STR("Not"))) {
            el_val_t r = parse_html_template(tokens, p);
            el_val_t part = el_get_field(r, EL_STR("node"));
            p = el_get_field(r, EL_STR("pos"));
            el_release(r);
            if (!chain_started) {
              chain_node = part;
              chain_started = 1;
            } else {
              chain_node = el_map_new(4, "expr", EL_STR("BinOp"), "op", EL_STR("Plus"), "left", chain_node, "right", part);
            }
          } else {
            if (str_eq(ck2, EL_STR("Ident"))) {
              el_val_t tag_candidate = tok_value(tokens, (p + 1));
              if (is_html_tag_name(tag_candidate)) {
                el_val_t r = parse_html_template(tokens, p);
                el_val_t part = el_get_field(r, EL_STR("node"));
                p = el_get_field(r, EL_STR("pos"));
                el_release(r);
                if (!chain_started) {
                  chain_node = part;
                  chain_started = 1;
                } else {
                  chain_node = el_map_new(4, "expr", EL_STR("BinOp"), "op", EL_STR("Plus"), "left", chain_node, "right", part);
                }
              } else {
                chain_running = 0;
              }
            } else {
              chain_running = 0;
            }
          }
        } else {
          chain_running = 0;
        }
      }
    }
    return make_result(chain_node, p);
  }
  if (str_eq(k, EL_STR("If"))) {
    el_val_t r = parse_if(tokens, pos);
    return r;
  }
  if (str_eq(k, EL_STR("Match"))) {
    el_val_t r = parse_match(tokens, pos);
    return r;
  }
  if (str_eq(k, EL_STR("For"))) {
    el_val_t r = parse_for_expr(tokens, pos);
    return r;
  }
  if (str_eq(k, EL_STR("Fn"))) {
    el_val_t p = (pos + 1);
    el_val_t r = parse_params(tokens, p);
    el_val_t params = el_get_field(r, EL_STR("params"));
    p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    el_val_t ret_type = EL_STR("");
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Arrow"))) {
      p = (p + 1);
      el_val_t kt = tok_kind(tokens, p);
      if (str_eq(kt, EL_STR("Ident"))) {
        ret_type = tok_value(tokens, p);
      }
      p = skip_type(tokens, p);
    }
    el_val_t r2 = parse_block(tokens, p);
    el_val_t body = el_get_field(r2, EL_STR("stmts"));
    p = el_get_field(r2, EL_STR("pos"));
    el_release(r2);
    return make_result(el_map_new(4, "expr", EL_STR("Lambda"), "params", params, "body", body, "ret_type", ret_type), p);
  }
  if (str_eq(k, EL_STR("Not"))) {
    el_val_t r = parse_primary(tokens, (pos + 1));
    el_val_t inner = el_get_field(r, EL_STR("node"));
    el_val_t p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    return make_result(el_map_new(2, "expr", EL_STR("Not"), "inner", inner), p);
  }
  if (str_eq(k, EL_STR("Minus"))) {
    el_val_t r = parse_primary(tokens, (pos + 1));
    el_val_t inner = el_get_field(r, EL_STR("node"));
    el_val_t p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    return make_result(el_map_new(2, "expr", EL_STR("Neg"), "inner", inner), p);
  }
  if (str_eq(k, EL_STR("Target"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("To"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Via"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Deploy"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Reason"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Times"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Fallback"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Retry"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Parallel"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Trace"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Requires"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Where"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("As"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("With"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Manager"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Engine"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Accessor"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Vessel"))) {
    return make_result(el_map_new(2, "expr", EL_STR("Ident"), "name", v), (pos + 1));
  }
  return make_result(el_map_new(1, "expr", EL_STR("Nil")), (pos + 1));
  return 0;
}

el_val_t parse_if(el_val_t tokens, el_val_t pos) {
  el_val_t p = expect(tokens, pos, EL_STR("If"));
  el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
  state_set(EL_STR("__no_block_expr"), EL_STR("1"));
  el_val_t r = parse_expr(tokens, p);
  state_set(EL_STR("__no_block_expr"), prev_no_block);
  el_val_t cond = el_get_field(r, EL_STR("node"));
  p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  el_val_t r2 = parse_block(tokens, p);
  el_val_t then_stmts = el_get_field(r2, EL_STR("stmts"));
  p = el_get_field(r2, EL_STR("pos"));
  el_release(r2);
  el_val_t has_else = 0;
  el_val_t else_stmts = native_list_empty();
  el_val_t k2 = tok_kind(tokens, p);
  if (str_eq(k2, EL_STR("Else"))) {
    p = (p + 1);
    el_val_t k3 = tok_kind(tokens, p);
    if (str_eq(k3, EL_STR("If"))) {
      el_val_t r3 = parse_if(tokens, p);
      el_val_t nested = el_get_field(r3, EL_STR("node"));
      p = el_get_field(r3, EL_STR("pos"));
      el_release(r3);
      else_stmts = native_list_append(else_stmts, el_map_new(2, "stmt", EL_STR("Expr"), "value", nested));
      has_else = 1;
    } else {
      el_val_t r3 = parse_block(tokens, p);
      else_stmts = el_get_field(r3, EL_STR("stmts"));
      p = el_get_field(r3, EL_STR("pos"));
      el_release(r3);
      has_else = 1;
    }
  }
  return make_result(el_map_new(5, "expr", EL_STR("If"), "cond", cond, "then", then_stmts, "else", else_stmts, "has_else", has_else), p);
  return 0;
}

el_val_t parse_match(el_val_t tokens, el_val_t pos) {
  el_val_t p = expect(tokens, pos, EL_STR("Match"));
  el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
  state_set(EL_STR("__no_block_expr"), EL_STR("1"));
  el_val_t r = parse_expr(tokens, p);
  state_set(EL_STR("__no_block_expr"), prev_no_block);
  el_val_t subject = el_get_field(r, EL_STR("node"));
  p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  p = expect(tokens, p, EL_STR("LBrace"));
  el_val_t arms = native_list_empty();
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("RBrace"))) {
      running = 0;
    } else {
      if (str_eq(k, EL_STR("Eof"))) {
        running = 0;
      } else {
        el_val_t r2 = parse_pattern(tokens, p);
        el_val_t pattern = el_get_field(r2, EL_STR("node"));
        p = el_get_field(r2, EL_STR("pos"));
        el_release(r2);
        p = expect(tokens, p, EL_STR("FatArrow"));
        el_val_t r3 = parse_expr(tokens, p);
        el_val_t body = el_get_field(r3, EL_STR("node"));
        p = el_get_field(r3, EL_STR("pos"));
        el_release(r3);
        el_val_t arm = el_map_new(2, "pattern", pattern, "body", body);
        arms = native_list_append(arms, arm);
        el_val_t k2 = tok_kind(tokens, p);
        if (str_eq(k2, EL_STR("Comma"))) {
          p = (p + 1);
        }
      }
    }
  }
  p = expect(tokens, p, EL_STR("RBrace"));
  return make_result(el_map_new(3, "expr", EL_STR("Match"), "subject", subject, "arms", arms), p);
  return 0;
}

el_val_t parse_pattern(el_val_t tokens, el_val_t pos) {
  el_val_t k = tok_kind(tokens, pos);
  if (str_eq(k, EL_STR("Ident"))) {
    el_val_t v = tok_value(tokens, pos);
    if (str_eq(v, EL_STR("_"))) {
      return make_result(el_map_new(1, "pattern", EL_STR("Wildcard")), (pos + 1));
    }
    el_val_t next_k = tok_kind(tokens, (pos + 1));
    if (str_eq(next_k, EL_STR("ColonColon"))) {
      el_val_t variant_name = tok_value(tokens, (pos + 2));
      return make_result(el_map_new(3, "pattern", EL_STR("Variant"), "enum_name", v, "variant", variant_name), (pos + 3));
    }
    return make_result(el_map_new(2, "pattern", EL_STR("Binding"), "name", v), (pos + 1));
  }
  if (str_eq(k, EL_STR("Int"))) {
    return make_result(el_map_new(2, "pattern", EL_STR("LitInt"), "value", tok_value(tokens, pos)), (pos + 1));
  }
  if (str_eq(k, EL_STR("Str"))) {
    return make_result(el_map_new(2, "pattern", EL_STR("LitStr"), "value", tok_value(tokens, pos)), (pos + 1));
  }
  if (str_eq(k, EL_STR("Bool"))) {
    return make_result(el_map_new(2, "pattern", EL_STR("LitBool"), "value", tok_value(tokens, pos)), (pos + 1));
  }
  return make_result(el_map_new(1, "pattern", EL_STR("Wildcard")), (pos + 1));
  return 0;
}

el_val_t parse_for_expr(el_val_t tokens, el_val_t pos) {
  el_val_t p = expect(tokens, pos, EL_STR("For"));
  el_val_t item_name = tok_value(tokens, p);
  p = (p + 1);
  p = expect(tokens, p, EL_STR("In"));
  el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
  state_set(EL_STR("__no_block_expr"), EL_STR("1"));
  el_val_t r = parse_expr(tokens, p);
  state_set(EL_STR("__no_block_expr"), prev_no_block);
  el_val_t list_expr = el_get_field(r, EL_STR("node"));
  p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  el_val_t r2 = parse_block(tokens, p);
  el_val_t body = el_get_field(r2, EL_STR("stmts"));
  p = el_get_field(r2, EL_STR("pos"));
  el_release(r2);
  return make_result(el_map_new(4, "expr", EL_STR("For"), "item", item_name, "list", list_expr, "body", body), p);
  return 0;
}

el_val_t parse_block(el_val_t tokens, el_val_t pos) {
  el_val_t p = expect(tokens, pos, EL_STR("LBrace"));
  el_val_t stmts = native_list_empty();
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("RBrace"))) {
      running = 0;
    } else {
      if (str_eq(k, EL_STR("Eof"))) {
        running = 0;
      } else {
        el_val_t r = parse_stmt(tokens, p);
        el_val_t stmt = el_get_field(r, EL_STR("node"));
        el_val_t new_p = el_get_field(r, EL_STR("pos"));
        el_release(r);
        stmts = native_list_append(stmts, stmt);
        if (new_p <= p) {
          p = (p + 1);
        } else {
          p = new_p;
        }
      }
    }
  }
  p = expect(tokens, p, EL_STR("RBrace"));
  return el_map_new(2, "stmts", stmts, "pos", p);
  return 0;
}

el_val_t is_duration_unit(el_val_t name) {
  if (str_eq(name, EL_STR("nanos"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("nano"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("millis"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("milli"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("millisecond"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("milliseconds"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("second"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("seconds"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("minute"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("minutes"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("hour"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("hours"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("day"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("days"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t parse_postfix(el_val_t tokens, el_val_t pos) {
  el_val_t r = parse_primary(tokens, pos);
  el_val_t node = el_get_field(r, EL_STR("node"));
  el_val_t p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  el_val_t primary_kind = el_get_field(node, EL_STR("expr"));
  if (str_eq(primary_kind, EL_STR("Int"))) {
    el_val_t dot_kind = tok_kind(tokens, p);
    if (str_eq(dot_kind, EL_STR("Dot"))) {
      el_val_t unit_kind = tok_kind(tokens, (p + 1));
      if (str_eq(unit_kind, EL_STR("Ident"))) {
        el_val_t unit_name = tok_value(tokens, (p + 1));
        if (is_duration_unit(unit_name)) {
          el_val_t count_str = el_get_field(node, EL_STR("value"));
          node = el_map_new(3, "expr", EL_STR("DurationLit"), "count", count_str, "unit", unit_name);
          p = (p + 2);
        }
      }
    }
  }
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    if (str_eq(k, EL_STR("LParen"))) {
      p = (p + 1);
      el_val_t args = native_list_empty();
      el_val_t run2 = 1;
      while (run2) {
        el_val_t k2 = tok_kind(tokens, p);
        if (str_eq(k2, EL_STR("RParen"))) {
          run2 = 0;
        } else {
          if (str_eq(k2, EL_STR("Eof"))) {
            run2 = 0;
          } else {
            el_val_t r2 = parse_expr(tokens, p);
            el_val_t arg = el_get_field(r2, EL_STR("node"));
            p = el_get_field(r2, EL_STR("pos"));
            el_release(r2);
            args = native_list_append(args, arg);
            el_val_t k3 = tok_kind(tokens, p);
            if (str_eq(k3, EL_STR("Comma"))) {
              p = (p + 1);
            }
          }
        }
      }
      p = expect(tokens, p, EL_STR("RParen"));
      node = el_map_new(3, "expr", EL_STR("Call"), "func", node, "args", args);
    } else {
      if (str_eq(k, EL_STR("Dot"))) {
        el_val_t field = tok_value(tokens, (p + 1));
        p = (p + 2);
        node = el_map_new(3, "expr", EL_STR("Field"), "object", node, "field", field);
      } else {
        if (str_eq(k, EL_STR("LBracket"))) {
          el_val_t r2 = parse_expr(tokens, (p + 1));
          el_val_t idx = el_get_field(r2, EL_STR("node"));
          p = el_get_field(r2, EL_STR("pos"));
          el_release(r2);
          p = expect(tokens, p, EL_STR("RBracket"));
          node = el_map_new(3, "expr", EL_STR("Index"), "object", node, "index", idx);
        } else {
          if (str_eq(k, EL_STR("QuestionMark"))) {
            p = (p + 1);
            node = el_map_new(2, "expr", EL_STR("Try"), "inner", node);
          } else {
            running = 0;
          }
        }
      }
    }
  }
  return make_result(node, p);
  return 0;
}

el_val_t op_precedence(el_val_t kind) {
  if (str_eq(kind, EL_STR("Or"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("And"))) {
    return 2;
  }
  if (str_eq(kind, EL_STR("EqEq"))) {
    return 3;
  }
  if (str_eq(kind, EL_STR("NotEq"))) {
    return 3;
  }
  if (str_eq(kind, EL_STR("Lt"))) {
    return 4;
  }
  if (str_eq(kind, EL_STR("Gt"))) {
    return 4;
  }
  if (str_eq(kind, EL_STR("LtEq"))) {
    return 4;
  }
  if (str_eq(kind, EL_STR("GtEq"))) {
    return 4;
  }
  if (str_eq(kind, EL_STR("Plus"))) {
    return 5;
  }
  if (str_eq(kind, EL_STR("Minus"))) {
    return 5;
  }
  if (str_eq(kind, EL_STR("Star"))) {
    return 6;
  }
  if (str_eq(kind, EL_STR("Slash"))) {
    return 6;
  }
  if (str_eq(kind, EL_STR("Percent"))) {
    return 6;
  }
  return 0;
  return 0;
}

el_val_t is_binop(el_val_t kind) {
  if (str_eq(kind, EL_STR("Or"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("And"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("EqEq"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("NotEq"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Lt"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Gt"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("LtEq"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("GtEq"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Plus"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Minus"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Star"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Slash"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Percent"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t parse_binop(el_val_t tokens, el_val_t pos, el_val_t min_prec) {
  el_val_t r = parse_postfix(tokens, pos);
  el_val_t left = el_get_field(r, EL_STR("node"));
  el_val_t p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  el_val_t running = 1;
  while (running) {
    el_val_t k = tok_kind(tokens, p);
    el_val_t prec = op_precedence(k);
    if (is_binop(k)) {
      if (prec >= min_prec) {
        el_val_t op = k;
        el_val_t r2 = parse_binop(tokens, (p + 1), (prec + 1));
        el_val_t right = el_get_field(r2, EL_STR("node"));
        p = el_get_field(r2, EL_STR("pos"));
        el_release(r2);
        left = el_map_new(4, "expr", EL_STR("BinOp"), "op", op, "left", left, "right", right);
      } else {
        running = 0;
      }
    } else {
      running = 0;
    }
  }
  return make_result(left, p);
  return 0;
}

el_val_t parse_expr(el_val_t tokens, el_val_t pos) {
  return parse_binop(tokens, pos, 1);
  return 0;
}

el_val_t parse_stmt(el_val_t tokens, el_val_t pos) {
  el_val_t k = tok_kind(tokens, pos);
  if (str_eq(k, EL_STR("Let"))) {
    el_val_t p = (pos + 1);
    el_val_t name = tok_value(tokens, p);
    p = (p + 1);
    el_val_t ltype = EL_STR("");
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Colon"))) {
      p = (p + 1);
      el_val_t kt = tok_kind(tokens, p);
      if (str_eq(kt, EL_STR("Ident"))) {
        ltype = tok_value(tokens, p);
      }
      p = skip_type(tokens, p);
    }
    p = expect(tokens, p, EL_STR("Eq"));
    el_val_t r = parse_expr(tokens, p);
    el_val_t val = el_get_field(r, EL_STR("node"));
    p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    return make_result(el_map_new(4, "stmt", EL_STR("Let"), "name", name, "value", val, "type", ltype), p);
  }
  if (str_eq(k, EL_STR("Return"))) {
    el_val_t p = (pos + 1);
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("RBrace"))) {
      return make_result(el_map_new(2, "stmt", EL_STR("Return"), "value", el_map_new(1, "expr", EL_STR("Nil"))), p);
    }
    if (str_eq(k2, EL_STR("Eof"))) {
      return make_result(el_map_new(2, "stmt", EL_STR("Return"), "value", el_map_new(1, "expr", EL_STR("Nil"))), p);
    }
    el_val_t r = parse_expr(tokens, p);
    el_val_t val = el_get_field(r, EL_STR("node"));
    p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    return make_result(el_map_new(2, "stmt", EL_STR("Return"), "value", val), p);
  }
  if (str_eq(k, EL_STR("Extern"))) {
    el_val_t p = (pos + 1);
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Fn"))) {
      p = (p + 1);
      el_val_t name = tok_value(tokens, p);
      p = (p + 1);
      el_val_t r = parse_params(tokens, p);
      el_val_t params = el_get_field(r, EL_STR("params"));
      p = el_get_field(r, EL_STR("pos"));
      el_release(r);
      el_val_t ret_type = EL_STR("");
      el_val_t k3 = tok_kind(tokens, p);
      if (str_eq(k3, EL_STR("Arrow"))) {
        p = (p + 1);
        el_val_t kt = tok_kind(tokens, p);
        if (str_eq(kt, EL_STR("Ident"))) {
          ret_type = tok_value(tokens, p);
        }
        p = skip_type(tokens, p);
      }
      return make_result(el_map_new(4, "stmt", EL_STR("ExternFn"), "name", name, "params", params, "ret_type", ret_type), p);
    }
  }
  if (str_eq(k, EL_STR("Fn"))) {
    el_val_t p = (pos + 1);
    el_val_t name = tok_value(tokens, p);
    p = (p + 1);
    el_val_t r = parse_params(tokens, p);
    el_val_t params = el_get_field(r, EL_STR("params"));
    p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    el_val_t ret_type = EL_STR("");
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Arrow"))) {
      p = (p + 1);
      el_val_t kt = tok_kind(tokens, p);
      if (str_eq(kt, EL_STR("Ident"))) {
        ret_type = tok_value(tokens, p);
      }
      p = skip_type(tokens, p);
    }
    el_val_t r2 = parse_block(tokens, p);
    el_val_t body = el_get_field(r2, EL_STR("stmts"));
    p = el_get_field(r2, EL_STR("pos"));
    el_release(r2);
    return make_result(el_map_new(5, "stmt", EL_STR("FnDef"), "name", name, "params", params, "body", body, "ret_type", ret_type), p);
  }
  if (str_eq(k, EL_STR("Type"))) {
    el_val_t p = (pos + 1);
    el_val_t name = tok_value(tokens, p);
    p = (p + 1);
    el_val_t pk = tok_kind(tokens, p);
    if (str_eq(pk, EL_STR("Eq"))) {
      p = (p + 1);
    }
    p = expect(tokens, p, EL_STR("LBrace"));
    el_val_t fields = native_list_empty();
    el_val_t running = 1;
    while (running) {
      el_val_t k2 = tok_kind(tokens, p);
      if (str_eq(k2, EL_STR("RBrace"))) {
        running = 0;
      } else {
        if (str_eq(k2, EL_STR("Eof"))) {
          running = 0;
        } else {
          el_val_t fname = tok_value(tokens, p);
          p = (p + 1);
          p = expect(tokens, p, EL_STR("Colon"));
          p = skip_type(tokens, p);
          fields = native_list_append(fields, el_map_new(1, "name", fname));
          el_val_t k3 = tok_kind(tokens, p);
          if (str_eq(k3, EL_STR("Comma"))) {
            p = (p + 1);
          }
        }
      }
    }
    p = expect(tokens, p, EL_STR("RBrace"));
    return make_result(el_map_new(3, "stmt", EL_STR("TypeDef"), "name", name, "fields", fields), p);
  }
  if (str_eq(k, EL_STR("Enum"))) {
    el_val_t p = (pos + 1);
    el_val_t name = tok_value(tokens, p);
    p = (p + 1);
    p = expect(tokens, p, EL_STR("LBrace"));
    el_val_t variants = native_list_empty();
    el_val_t running = 1;
    while (running) {
      el_val_t k2 = tok_kind(tokens, p);
      if (str_eq(k2, EL_STR("RBrace"))) {
        running = 0;
      } else {
        if (str_eq(k2, EL_STR("Eof"))) {
          running = 0;
        } else {
          el_val_t vname = tok_value(tokens, p);
          p = (p + 1);
          variants = native_list_append(variants, el_map_new(1, "name", vname));
          el_val_t k3 = tok_kind(tokens, p);
          if (str_eq(k3, EL_STR("Comma"))) {
            p = (p + 1);
          }
        }
      }
    }
    p = expect(tokens, p, EL_STR("RBrace"));
    return make_result(el_map_new(3, "stmt", EL_STR("EnumDef"), "name", name, "variants", variants), p);
  }
  if (str_eq(k, EL_STR("Import"))) {
    el_val_t p = (pos + 1);
    el_val_t path = tok_value(tokens, p);
    p = (p + 1);
    return make_result(el_map_new(2, "stmt", EL_STR("Import"), "path", path), p);
  }
  if (str_eq(k, EL_STR("From"))) {
    el_val_t p = (pos + 1);
    el_val_t module_name = tok_value(tokens, p);
    p = (p + 1);
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Import"))) {
      p = (p + 1);
    }
    el_val_t k3 = tok_kind(tokens, p);
    if (str_eq(k3, EL_STR("LBrace"))) {
      p = (p + 1);
      el_val_t running = 1;
      while (running) {
        el_val_t k4 = tok_kind(tokens, p);
        if (str_eq(k4, EL_STR("RBrace"))) {
          running = 0;
        } else {
          if (str_eq(k4, EL_STR("Eof"))) {
            running = 0;
          } else {
            p = (p + 1);
            el_val_t k5 = tok_kind(tokens, p);
            if (str_eq(k5, EL_STR("Comma"))) {
              p = (p + 1);
            }
          }
        }
      }
      p = expect(tokens, p, EL_STR("RBrace"));
    }
    return make_result(el_map_new(2, "stmt", EL_STR("Import"), "path", module_name), p);
  }
  if (str_eq(k, EL_STR("While"))) {
    el_val_t p = (pos + 1);
    el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
    state_set(EL_STR("__no_block_expr"), EL_STR("1"));
    el_val_t r = parse_expr(tokens, p);
    state_set(EL_STR("__no_block_expr"), prev_no_block);
    el_val_t cond = el_get_field(r, EL_STR("node"));
    p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    el_val_t r2 = parse_block(tokens, p);
    el_val_t body = el_get_field(r2, EL_STR("stmts"));
    p = el_get_field(r2, EL_STR("pos"));
    el_release(r2);
    return make_result(el_map_new(3, "stmt", EL_STR("While"), "cond", cond, "body", body), p);
  }
  if (str_eq(k, EL_STR("Break"))) {
    return make_result(el_map_new(1, "stmt", EL_STR("Break")), (pos + 1));
  }
  if (str_eq(k, EL_STR("Continue"))) {
    return make_result(el_map_new(1, "stmt", EL_STR("Continue")), (pos + 1));
  }
  if (str_eq(k, EL_STR("For"))) {
    el_val_t p = (pos + 1);
    el_val_t item_name = tok_value(tokens, p);
    p = (p + 1);
    p = expect(tokens, p, EL_STR("In"));
    el_val_t prev_no_block = state_get(EL_STR("__no_block_expr"));
    state_set(EL_STR("__no_block_expr"), EL_STR("1"));
    el_val_t r = parse_expr(tokens, p);
    state_set(EL_STR("__no_block_expr"), prev_no_block);
    el_val_t start_expr = el_get_field(r, EL_STR("node"));
    p = el_get_field(r, EL_STR("pos"));
    el_release(r);
    el_val_t range_k = tok_kind(tokens, p);
    if (str_eq(range_k, EL_STR("DotDot"))) {
      p = (p + 1);
      el_val_t r2 = parse_expr(tokens, p);
      el_val_t end_expr = el_get_field(r2, EL_STR("node"));
      p = el_get_field(r2, EL_STR("pos"));
      el_release(r2);
      el_val_t r3 = parse_block(tokens, p);
      el_val_t body = el_get_field(r3, EL_STR("stmts"));
      p = el_get_field(r3, EL_STR("pos"));
      el_release(r3);
      return make_result(el_map_new(6, "stmt", EL_STR("ForRange"), "var", item_name, "start", start_expr, "end", end_expr, "inclusive", 0, "body", body), p);
    }
    if (str_eq(range_k, EL_STR("DotDotEq"))) {
      p = (p + 1);
      el_val_t r2 = parse_expr(tokens, p);
      el_val_t end_expr = el_get_field(r2, EL_STR("node"));
      p = el_get_field(r2, EL_STR("pos"));
      el_release(r2);
      el_val_t r3 = parse_block(tokens, p);
      el_val_t body = el_get_field(r3, EL_STR("stmts"));
      p = el_get_field(r3, EL_STR("pos"));
      el_release(r3);
      return make_result(el_map_new(6, "stmt", EL_STR("ForRange"), "var", item_name, "start", start_expr, "end", end_expr, "inclusive", 1, "body", body), p);
    }
    el_val_t list_expr = start_expr;
    el_val_t r2 = parse_block(tokens, p);
    el_val_t body = el_get_field(r2, EL_STR("stmts"));
    p = el_get_field(r2, EL_STR("pos"));
    el_release(r2);
    return make_result(el_map_new(4, "stmt", EL_STR("For"), "item", item_name, "list", list_expr, "body", body), p);
  }
  if (str_eq(k, EL_STR("Try"))) {
    el_val_t p = (pos + 1);
    el_val_t r_try = parse_block(tokens, p);
    el_val_t try_body = el_get_field(r_try, EL_STR("stmts"));
    p = el_get_field(r_try, EL_STR("pos"));
    el_release(r_try);
    el_val_t catch_name = EL_STR("err");
    el_val_t k2 = tok_kind(tokens, p);
    if (str_eq(k2, EL_STR("Catch"))) {
      p = (p + 1);
      p = expect(tokens, p, EL_STR("LParen"));
      el_val_t kn = tok_kind(tokens, p);
      if (str_eq(kn, EL_STR("Ident"))) {
        catch_name = tok_value(tokens, p);
        p = (p + 1);
      }
      el_val_t k3 = tok_kind(tokens, p);
      if (str_eq(k3, EL_STR("Colon"))) {
        p = (p + 1);
        p = skip_type(tokens, p);
      }
      p = expect(tokens, p, EL_STR("RParen"));
      el_val_t r_catch = parse_block(tokens, p);
      el_val_t catch_body = el_get_field(r_catch, EL_STR("stmts"));
      p = el_get_field(r_catch, EL_STR("pos"));
      el_release(r_catch);
      return make_result(el_map_new(4, "stmt", EL_STR("TryCatch"), "try_body", try_body, "catch_name", catch_name, "catch_body", catch_body), p);
    }
    return make_result(el_map_new(4, "stmt", EL_STR("TryCatch"), "try_body", try_body, "catch_name", catch_name, "catch_body", native_list_empty()), p);
  }
  if (str_eq(k, EL_STR("At"))) {
    el_val_t p = (pos + 1);
    el_val_t dec_name = tok_value(tokens, p);
    p = (p + 1);
    el_val_t r = parse_stmt(tokens, p);
    el_val_t inner = el_get_field(r, EL_STR("node"));
    el_val_t p2 = el_get_field(r, EL_STR("pos"));
    el_val_t inner_kind = el_get_field(inner, EL_STR("stmt"));
    if (str_eq(inner_kind, EL_STR("FnDef"))) {
      el_val_t with_dec = el_map_new(6, "stmt", EL_STR("FnDef"), "name", el_get_field(inner, EL_STR("name")), "params", el_get_field(inner, EL_STR("params")), "body", el_get_field(inner, EL_STR("body")), "ret_type", el_get_field(inner, EL_STR("ret_type")), "decorator", dec_name);
      el_release(r);
      return make_result(with_dec, p2);
    }
    return r;
  }
  if (str_eq(k, EL_STR("Cgi"))) {
    el_val_t p = (pos + 1);
    el_val_t name = tok_value(tokens, p);
    p = (p + 1);
    p = expect(tokens, p, EL_STR("LBrace"));
    el_val_t dharma_id = EL_STR("");
    el_val_t principal = EL_STR("");
    el_val_t network = EL_STR("");
    el_val_t engram = EL_STR("");
    el_val_t has_dharma_id = 0;
    el_val_t has_principal = 0;
    el_val_t has_network = 0;
    el_val_t has_engram = 0;
    el_val_t running = 1;
    while (running) {
      el_val_t k2 = tok_kind(tokens, p);
      if (str_eq(k2, EL_STR("RBrace"))) {
        running = 0;
      } else {
        if (str_eq(k2, EL_STR("Eof"))) {
          running = 0;
        } else {
          el_val_t fname = tok_value(tokens, p);
          p = (p + 1);
          p = expect(tokens, p, EL_STR("Colon"));
          el_val_t fval = tok_value(tokens, p);
          p = (p + 1);
          if (str_eq(fname, EL_STR("dharma_id"))) {
            dharma_id = fval;
            has_dharma_id = 1;
          }
          if (str_eq(fname, EL_STR("principal"))) {
            principal = fval;
            has_principal = 1;
          }
          if (str_eq(fname, EL_STR("network"))) {
            network = fval;
            has_network = 1;
          }
          if (str_eq(fname, EL_STR("engram"))) {
            engram = fval;
            has_engram = 1;
          }
          el_val_t k3 = tok_kind(tokens, p);
          if (str_eq(k3, EL_STR("Comma"))) {
            p = (p + 1);
          }
        }
      }
    }
    p = expect(tokens, p, EL_STR("RBrace"));
    return make_result(el_map_new(10, "stmt", EL_STR("CgiBlock"), "name", name, "dharma_id", dharma_id, "principal", principal, "network", network, "engram", engram, "has_dharma_id", has_dharma_id, "has_principal", has_principal, "has_network", has_network, "has_engram", has_engram), p);
  }
  if (str_eq(k, EL_STR("Service"))) {
    el_val_t p = (pos + 1);
    el_val_t name = tok_value(tokens, p);
    p = (p + 1);
    p = expect(tokens, p, EL_STR("LBrace"));
    el_val_t sponsor = EL_STR("");
    el_val_t domain = EL_STR("");
    el_val_t running = 1;
    while (running) {
      el_val_t k2 = tok_kind(tokens, p);
      if (str_eq(k2, EL_STR("RBrace"))) {
        running = 0;
      } else {
        if (str_eq(k2, EL_STR("Eof"))) {
          running = 0;
        } else {
          el_val_t fname = tok_value(tokens, p);
          p = (p + 1);
          p = expect(tokens, p, EL_STR("Colon"));
          el_val_t fval = tok_value(tokens, p);
          p = (p + 1);
          if (str_eq(fname, EL_STR("sponsor"))) {
            sponsor = fval;
          }
          if (str_eq(fname, EL_STR("domain"))) {
            domain = fval;
          }
          el_val_t k3 = tok_kind(tokens, p);
          if (str_eq(k3, EL_STR("Comma"))) {
            p = (p + 1);
          }
        }
      }
    }
    p = expect(tokens, p, EL_STR("RBrace"));
    return make_result(el_map_new(4, "stmt", EL_STR("ServiceBlock"), "name", name, "sponsor", sponsor, "domain", domain), p);
  }
  if (str_eq(k, EL_STR("Assert"))) {
    el_val_t p = (pos + 1);
    el_val_t cond_r = parse_expr(tokens, p);
    el_val_t cond_node = el_get_field(cond_r, EL_STR("node"));
    p = el_get_field(cond_r, EL_STR("pos"));
    el_release(cond_r);
    el_val_t after_k = tok_kind(tokens, p);
    if (str_eq(after_k, EL_STR("Comma"))) {
      p = (p + 1);
      el_val_t msg_r = parse_expr(tokens, p);
      el_val_t msg_node = el_get_field(msg_r, EL_STR("node"));
      p = el_get_field(msg_r, EL_STR("pos"));
      el_release(msg_r);
      return make_result(el_map_new(3, "stmt", EL_STR("Assert"), "cond", cond_node, "msg", msg_node), p);
    }
    return make_result(el_map_new(3, "stmt", EL_STR("Assert"), "cond", cond_node, "msg", el_map_new(2, "expr", EL_STR("Str"), "value", EL_STR(""))), p);
  }
  if (str_eq(k, EL_STR("Ident"))) {
    el_val_t k2 = tok_kind(tokens, (pos + 1));
    if (str_eq(k2, EL_STR("Eq"))) {
      el_val_t name = tok_value(tokens, pos);
      el_val_t p = (pos + 2);
      el_val_t r = parse_expr(tokens, p);
      el_val_t val = el_get_field(r, EL_STR("node"));
      p = el_get_field(r, EL_STR("pos"));
      el_release(r);
      return make_result(el_map_new(3, "stmt", EL_STR("Assign"), "name", name, "value", val), p);
    }
  }
  el_val_t r = parse_expr(tokens, pos);
  el_val_t val = el_get_field(r, EL_STR("node"));
  el_val_t p = el_get_field(r, EL_STR("pos"));
  el_release(r);
  return make_result(el_map_new(2, "stmt", EL_STR("Expr"), "value", val), p);
  return 0;
}

el_val_t parse(el_val_t tokens) {
  el_val_t total = (native_list_len(tokens) / 2);
  el_val_t stmts = native_list_empty();
  el_val_t pos = 0;
  el_val_t running = 1;
  while (running) {
    if (pos >= total) {
      running = 0;
    } else {
      el_val_t k = tok_kind(tokens, pos);
      if (str_eq(k, EL_STR("Eof"))) {
        running = 0;
      } else {
        el_val_t r = parse_stmt(tokens, pos);
        el_val_t stmt = el_get_field(r, EL_STR("node"));
        el_val_t new_pos = el_get_field(r, EL_STR("pos"));
        el_release(r);
        stmts = native_list_append(stmts, stmt);
        if (new_pos <= pos) {
          pos = (pos + 1);
        } else {
          pos = new_pos;
        }
      }
    }
  }
  return stmts;
  return 0;
}

el_val_t parse_one(el_val_t tokens, el_val_t pos) {
  return parse_stmt(tokens, pos);
  return 0;
}

el_val_t skip_to_rbrace(el_val_t tokens, el_val_t pos) {
  el_val_t total = (native_list_len(tokens) / 2);
  el_val_t p = (pos + 1);
  el_val_t depth = 1;
  el_val_t going = 1;
  while (going) {
    if (p >= total) {
      going = 0;
    } else {
      el_val_t kk = tok_kind(tokens, p);
      if (str_eq(kk, EL_STR("Eof"))) {
        going = 0;
      } else {
        if (str_eq(kk, EL_STR("LBrace"))) {
          depth = (depth + 1);
          p = (p + 1);
        } else {
          if (str_eq(kk, EL_STR("RBrace"))) {
            depth = (depth - 1);
            p = (p + 1);
            if (depth <= 0) {
              going = 0;
            }
          } else {
            p = (p + 1);
          }
        }
      }
    }
  }
  return p;
  return 0;
}

el_val_t is_stmt_start_kind(el_val_t k) {
  if (str_eq(k, EL_STR("Fn"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Let"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Extern"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Cgi"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Service"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Type"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Enum"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Import"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("From"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Eof"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t skip_expr_to_stmt_boundary(el_val_t tokens, el_val_t pos) {
  el_val_t total = (native_list_len(tokens) / 2);
  el_val_t p = pos;
  el_val_t depth = 0;
  el_val_t going = 1;
  while (going) {
    if (p >= total) {
      going = 0;
    } else {
      el_val_t kk = tok_kind(tokens, p);
      if (str_eq(kk, EL_STR("Eof"))) {
        going = 0;
      } else {
        if (str_eq(kk, EL_STR("LBrace"))) {
          depth = (depth + 1);
          p = (p + 1);
        } else {
          if (str_eq(kk, EL_STR("RBrace"))) {
            if (depth <= 0) {
              going = 0;
            } else {
              depth = (depth - 1);
              p = (p + 1);
            }
          } else {
            if (depth == 0) {
              if (is_stmt_start_kind(kk)) {
                going = 0;
              } else {
                p = (p + 1);
              }
            } else {
              p = (p + 1);
            }
          }
        }
      }
    }
  }
  return p;
  return 0;
}

el_val_t scan_params_c(el_val_t tokens, el_val_t pos) {
  el_val_t p = expect(tokens, pos, EL_STR("LParen"));
  el_val_t parts = native_list_empty();
  el_val_t going = 1;
  while (going) {
    el_val_t kk = tok_kind(tokens, p);
    if (str_eq(kk, EL_STR("RParen"))) {
      going = 0;
    } else {
      if (str_eq(kk, EL_STR("Eof"))) {
        going = 0;
      } else {
        el_val_t pname = tok_value(tokens, p);
        p = (p + 1);
        p = expect(tokens, p, EL_STR("Colon"));
        p = skip_type(tokens, p);
        parts = native_list_append(parts, el_str_concat(EL_STR("el_val_t "), pname));
        el_val_t k2 = tok_kind(tokens, p);
        if (str_eq(k2, EL_STR("Comma"))) {
          p = (p + 1);
        }
      }
    }
  }
  p = expect(tokens, p, EL_STR("RParen"));
  el_val_t c_str = str_join(parts, EL_STR(", "));
  el_release(parts);
  if (str_eq(c_str, EL_STR(""))) {
    c_str = EL_STR("void");
  }
  return el_map_new(2, "c", c_str, "pos", p);
  return 0;
}

el_val_t scan_fn_sigs(el_val_t tokens) {
  el_val_t total = (native_list_len(tokens) / 2);
  el_val_t sigs = native_list_empty();
  el_val_t pos = 0;
  el_val_t going = 1;
  while (going) {
    if (pos >= total) {
      going = 0;
    } else {
      el_val_t k = tok_kind(tokens, pos);
      if (str_eq(k, EL_STR("Eof"))) {
        going = 0;
      } else {
        if (str_eq(k, EL_STR("Fn"))) {
          el_val_t p = (pos + 1);
          el_val_t name = tok_value(tokens, p);
          p = (p + 1);
          el_val_t r = scan_params_c(tokens, p);
          el_val_t params_c = el_get_field(r, EL_STR("c"));
          p = el_get_field(r, EL_STR("pos"));
          el_release(r);
          el_val_t k2 = tok_kind(tokens, p);
          if (str_eq(k2, EL_STR("Arrow"))) {
            p = (p + 1);
            p = skip_type(tokens, p);
          }
          el_val_t k3 = tok_kind(tokens, p);
          if (str_eq(k3, EL_STR("LBrace"))) {
            p = skip_to_rbrace(tokens, p);
          }
          el_val_t is_main = str_eq(name, EL_STR("main"));
          sigs = native_list_append(sigs, el_map_new(4, "kind", EL_STR("fn"), "name", name, "params_c", params_c, "is_main", is_main));
          pos = p;
        } else {
          if (str_eq(k, EL_STR("Extern"))) {
            el_val_t p = (pos + 1);
            el_val_t k2 = tok_kind(tokens, p);
            if (str_eq(k2, EL_STR("Fn"))) {
              p = (p + 1);
              el_val_t name = tok_value(tokens, p);
              p = (p + 1);
              el_val_t r = scan_params_c(tokens, p);
              el_val_t params_c = el_get_field(r, EL_STR("c"));
              p = el_get_field(r, EL_STR("pos"));
              el_release(r);
              el_val_t k3 = tok_kind(tokens, p);
              if (str_eq(k3, EL_STR("Arrow"))) {
                p = (p + 1);
                p = skip_type(tokens, p);
              }
              sigs = native_list_append(sigs, el_map_new(4, "kind", EL_STR("extern_fn"), "name", name, "params_c", params_c, "is_main", 0));
              pos = p;
            } else {
              pos = (pos + 1);
            }
          } else {
            if (str_eq(k, EL_STR("Let"))) {
              el_val_t p = (pos + 1);
              el_val_t name = tok_value(tokens, p);
              p = (p + 1);
              el_val_t ltype = EL_STR("");
              el_val_t k2 = tok_kind(tokens, p);
              if (str_eq(k2, EL_STR("Colon"))) {
                p = (p + 1);
                el_val_t kt = tok_kind(tokens, p);
                if (str_eq(kt, EL_STR("Ident"))) {
                  ltype = tok_value(tokens, p);
                }
                p = skip_type(tokens, p);
              }
              p = expect(tokens, p, EL_STR("Eq"));
              p = skip_expr_to_stmt_boundary(tokens, p);
              sigs = native_list_append(sigs, el_map_new(3, "kind", EL_STR("toplevel_let"), "name", name, "ltype", ltype));
              pos = p;
            } else {
              if (str_eq(k, EL_STR("Cgi"))) {
                el_val_t p = (pos + 1);
                el_val_t name = tok_value(tokens, p);
                p = (p + 1);
                el_val_t k2 = tok_kind(tokens, p);
                if (str_eq(k2, EL_STR("LBrace"))) {
                  p = skip_to_rbrace(tokens, p);
                }
                sigs = native_list_append(sigs, el_map_new(2, "kind", EL_STR("cgi_block"), "name", name));
                pos = p;
              } else {
                if (str_eq(k, EL_STR("Service"))) {
                  el_val_t p = (pos + 1);
                  el_val_t name = tok_value(tokens, p);
                  p = (p + 1);
                  el_val_t k2 = tok_kind(tokens, p);
                  if (str_eq(k2, EL_STR("LBrace"))) {
                    p = skip_to_rbrace(tokens, p);
                  }
                  sigs = native_list_append(sigs, el_map_new(2, "kind", EL_STR("service_block"), "name", name));
                  pos = p;
                } else {
                  el_val_t p = (pos + 1);
                  p = skip_expr_to_stmt_boundary(tokens, p);
                  pos = p;
                }
              }
            }
          }
        }
      }
    }
  }
  return sigs;
  return 0;
}

el_val_t nibble_to_hex(el_val_t n) {
  return str_char_at(EL_STR("0123456789abcdef"), n);
  return 0;
}

el_val_t byte_to_hex2(el_val_t b) {
  el_val_t hi = (b / 16);
  el_val_t lo = (b - (hi * 16));
  return el_str_concat(nibble_to_hex(hi), nibble_to_hex(lo));
  return 0;
}

el_val_t is_hex_digit_byte(el_val_t b) {
  if (b >= 48) {
    if (b <= 57) {
      return 1;
    }
  }
  if (b >= 65) {
    if (b <= 70) {
      return 1;
    }
  }
  if (b >= 97) {
    if (b <= 102) {
      return 1;
    }
  }
  return 0;
  return 0;
}

el_val_t c_escape(el_val_t s) {
  el_val_t total = str_len(s);
  el_val_t parts = native_list_empty();
  el_val_t i = 0;
  el_val_t clean_start = 0;
  el_val_t prev_was_hex_escape = 0;
  while (i < total) {
    el_val_t bval = str_char_code(s, i);
    if (prev_was_hex_escape) {
      if (is_hex_digit_byte(bval)) {
        if (clean_start < i) {
          parts = native_list_append(parts, str_slice(s, clean_start, i));
        }
        parts = native_list_append(parts, EL_STR("\"\""));
        clean_start = i;
      }
    }
    prev_was_hex_escape = 0;
    if (bval == 34) {
      if (clean_start < i) {
        parts = native_list_append(parts, str_slice(s, clean_start, i));
      }
      parts = native_list_append(parts, EL_STR("\\\""));
      clean_start = (i + 1);
    } else {
      if (bval == 92) {
        if (clean_start < i) {
          parts = native_list_append(parts, str_slice(s, clean_start, i));
        }
        parts = native_list_append(parts, EL_STR("\\\\"));
        clean_start = (i + 1);
      } else {
        if (bval == 10) {
          if (clean_start < i) {
            parts = native_list_append(parts, str_slice(s, clean_start, i));
          }
          parts = native_list_append(parts, EL_STR("\\n"));
          clean_start = (i + 1);
        } else {
          if (bval == 13) {
            if (clean_start < i) {
              parts = native_list_append(parts, str_slice(s, clean_start, i));
            }
            parts = native_list_append(parts, EL_STR("\\r"));
            clean_start = (i + 1);
          } else {
            if (bval == 9) {
              if (clean_start < i) {
                parts = native_list_append(parts, str_slice(s, clean_start, i));
              }
              parts = native_list_append(parts, EL_STR("\\t"));
              clean_start = (i + 1);
            } else {
              if (bval >= 128) {
                if (clean_start < i) {
                  parts = native_list_append(parts, str_slice(s, clean_start, i));
                }
                parts = native_list_append(parts, el_str_concat(EL_STR("\\x"), byte_to_hex2(bval)));
                prev_was_hex_escape = 1;
                clean_start = (i + 1);
              }
            }
          }
        }
      }
    }
    i = (i + 1);
  }
  if (clean_start < total) {
    parts = native_list_append(parts, str_slice(s, clean_start, total));
  }
  el_val_t result = str_join(parts, EL_STR(""));
  el_release(parts);
  return result;
  return 0;
}

el_val_t c_str_lit(el_val_t s) {
  return el_str_concat(el_str_concat(EL_STR("\""), c_escape(s)), EL_STR("\""));
  return 0;
}

el_val_t sanitize_test_name(el_val_t name) {
  el_val_t n = str_len(name);
  el_val_t i = 0;
  el_val_t out = EL_STR("");
  while (i < n) {
    el_val_t code = str_char_code(name, i);
    if (code >= 97) {
      if (code <= 122) {
        out = el_str_concat(out, str_char_at(name, i));
      } else {
        out = el_str_concat(out, EL_STR("_"));
      }
    } else {
      if (code >= 65) {
        if (code <= 90) {
          out = el_str_concat(out, str_char_at(name, i));
        } else {
          if (code >= 48) {
            if (code <= 57) {
              out = el_str_concat(out, str_char_at(name, i));
            } else {
              out = el_str_concat(out, EL_STR("_"));
            }
          } else {
            out = el_str_concat(out, EL_STR("_"));
          }
        }
      } else {
        if (code >= 48) {
          if (code <= 57) {
            out = el_str_concat(out, str_char_at(name, i));
          } else {
            out = el_str_concat(out, EL_STR("_"));
          }
        } else {
          out = el_str_concat(out, EL_STR("_"));
        }
      }
    }
    i = (i + 1);
  }
  return out;
  return 0;
}

el_val_t el_type_to_c(el_val_t type_str) {
  if (str_eq(type_str, EL_STR("String"))) {
    return EL_STR("const char*");
  }
  if (str_eq(type_str, EL_STR("Int"))) {
    return EL_STR("int64_t");
  }
  if (str_eq(type_str, EL_STR("Bool"))) {
    return EL_STR("int");
  }
  if (str_eq(type_str, EL_STR("Float"))) {
    return EL_STR("double");
  }
  if (str_eq(type_str, EL_STR("Void"))) {
    return EL_STR("void");
  }
  if (str_eq(type_str, EL_STR("void"))) {
    return EL_STR("void");
  }
  return EL_STR("void*");
  return 0;
}

el_val_t emit_line(el_val_t line) {
  println(line);
  return 0;
}

el_val_t emit_blank(void) {
  println(EL_STR(""));
  return 0;
}

el_val_t binop_to_c(el_val_t op) {
  if (str_eq(op, EL_STR("Plus"))) {
    return EL_STR("+");
  }
  if (str_eq(op, EL_STR("Minus"))) {
    return EL_STR("-");
  }
  if (str_eq(op, EL_STR("Star"))) {
    return EL_STR("*");
  }
  if (str_eq(op, EL_STR("Slash"))) {
    return EL_STR("/");
  }
  if (str_eq(op, EL_STR("Percent"))) {
    return EL_STR("%");
  }
  if (str_eq(op, EL_STR("EqEq"))) {
    return EL_STR("==");
  }
  if (str_eq(op, EL_STR("NotEq"))) {
    return EL_STR("!=");
  }
  if (str_eq(op, EL_STR("Lt"))) {
    return EL_STR("<");
  }
  if (str_eq(op, EL_STR("Gt"))) {
    return EL_STR(">");
  }
  if (str_eq(op, EL_STR("LtEq"))) {
    return EL_STR("<=");
  }
  if (str_eq(op, EL_STR("GtEq"))) {
    return EL_STR(">=");
  }
  if (str_eq(op, EL_STR("And"))) {
    return EL_STR("&&");
  }
  if (str_eq(op, EL_STR("Or"))) {
    return EL_STR("||");
  }
  return op;
  return 0;
}

el_val_t duration_unit_nanos(el_val_t unit) {
  if (str_eq(unit, EL_STR("nano"))) {
    return EL_STR("1LL");
  }
  if (str_eq(unit, EL_STR("nanos"))) {
    return EL_STR("1LL");
  }
  if (str_eq(unit, EL_STR("milli"))) {
    return EL_STR("1000000LL");
  }
  if (str_eq(unit, EL_STR("millis"))) {
    return EL_STR("1000000LL");
  }
  if (str_eq(unit, EL_STR("millisecond"))) {
    return EL_STR("1000000LL");
  }
  if (str_eq(unit, EL_STR("milliseconds"))) {
    return EL_STR("1000000LL");
  }
  if (str_eq(unit, EL_STR("second"))) {
    return EL_STR("1000000000LL");
  }
  if (str_eq(unit, EL_STR("seconds"))) {
    return EL_STR("1000000000LL");
  }
  if (str_eq(unit, EL_STR("minute"))) {
    return EL_STR("60000000000LL");
  }
  if (str_eq(unit, EL_STR("minutes"))) {
    return EL_STR("60000000000LL");
  }
  if (str_eq(unit, EL_STR("hour"))) {
    return EL_STR("3600000000000LL");
  }
  if (str_eq(unit, EL_STR("hours"))) {
    return EL_STR("3600000000000LL");
  }
  if (str_eq(unit, EL_STR("day"))) {
    return EL_STR("86400000000000LL");
  }
  if (str_eq(unit, EL_STR("days"))) {
    return EL_STR("86400000000000LL");
  }
  return EL_STR("1LL");
  return 0;
}

el_val_t next_html_id(void) {
  el_val_t csv = state_get(EL_STR("__html_counter"));
  el_val_t n = 0;
  if (!str_eq(csv, EL_STR(""))) {
    n = str_to_int(csv);
  }
  n = (n + 1);
  state_set(EL_STR("__html_counter"), native_int_to_str(n));
  return native_int_to_str(n);
  return 0;
}

el_val_t cg_html_parts(el_val_t children, el_val_t acc_var) {
  el_val_t n = native_list_len(children);
  el_val_t i = 0;
  el_val_t parts = native_list_empty();
  while (i < n) {
    el_val_t child = native_list_get(children, i);
    el_val_t html_kind = el_get_field(child, EL_STR("html"));
    if (str_eq(html_kind, EL_STR("Text"))) {
      el_val_t text = el_get_field(child, EL_STR("text"));
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(")), c_str_lit(text)), EL_STR(")); ")));
    }
    if (str_eq(html_kind, EL_STR("Doctype"))) {
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(\"<!doctype html>\")); ")));
    }
    if (str_eq(html_kind, EL_STR("Interp"))) {
      el_val_t val_node = el_get_field(child, EL_STR("value"));
      el_val_t val_c = cg_expr(val_node);
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", html_escape(")), val_c), EL_STR(")); ")));
    }
    if (str_eq(html_kind, EL_STR("Raw"))) {
      el_val_t val_node = el_get_field(child, EL_STR("value"));
      el_val_t val_c = cg_expr(val_node);
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", html_raw(")), val_c), EL_STR(")); ")));
    }
    if (str_eq(html_kind, EL_STR("Element"))) {
      el_val_t elem_c = cg_html_element_str(child, acc_var);
      parts = native_list_append(parts, elem_c);
    }
    if (str_eq(html_kind, EL_STR("Each"))) {
      el_val_t each_c = cg_html_each(child, acc_var);
      parts = native_list_append(parts, each_c);
    }
    if (str_eq(html_kind, EL_STR("HtmlIf"))) {
      el_val_t if_c = cg_html_if(child, acc_var);
      parts = native_list_append(parts, if_c);
    }
    i = (i + 1);
  }
  return str_join(parts, EL_STR(""));
  return 0;
}

el_val_t cg_html_attrs_str(el_val_t attrs, el_val_t acc_var) {
  el_val_t n = native_list_len(attrs);
  el_val_t i = 0;
  el_val_t parts = native_list_empty();
  el_val_t close_q = el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(EL_STR("\""))), EL_STR(")"));
  while (i < n) {
    el_val_t attr = native_list_get(attrs, i);
    el_val_t attr_name = el_get_field(attr, EL_STR("name"));
    el_val_t kind = el_get_field(attr, EL_STR("kind"));
    el_val_t open_val = el_str_concat(el_str_concat(EL_STR(" "), attr_name), EL_STR("=\""));
    el_val_t open_attr = el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(open_val)), EL_STR(")"));
    if (str_eq(kind, EL_STR("static"))) {
      el_val_t sv = el_get_field(attr, EL_STR("value"));
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", ")), open_attr), EL_STR("); ")));
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(")), c_str_lit(sv)), EL_STR(")); ")));
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", ")), close_q), EL_STR("); ")));
    } else {
      if (str_eq(kind, EL_STR("dynamic"))) {
        el_val_t val_node = el_get_field(attr, EL_STR("value"));
        el_val_t val_c = cg_expr(val_node);
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", ")), open_attr), EL_STR("); ")));
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", html_escape(")), val_c), EL_STR(")); ")));
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", ")), close_q), EL_STR("); ")));
      } else {
        el_val_t bool_attr = el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(el_str_concat(EL_STR(" "), attr_name))), EL_STR(")"));
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", ")), bool_attr), EL_STR("); ")));
      }
    }
    i = (i + 1);
  }
  return str_join(parts, EL_STR(""));
  return 0;
}

el_val_t cg_html_element_str(el_val_t elem, el_val_t acc_var) {
  el_val_t tag = el_get_field(elem, EL_STR("tag"));
  el_val_t attrs = el_get_field(elem, EL_STR("attrs"));
  el_val_t children = el_get_field(elem, EL_STR("children"));
  el_val_t self_closing = el_get_field(elem, EL_STR("self_closing"));
  el_val_t parts = native_list_empty();
  parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(\"<")), tag), EL_STR("\")); ")));
  parts = native_list_append(parts, cg_html_attrs_str(attrs, acc_var));
  if (self_closing) {
    parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(\"/>\")); ")));
  } else {
    parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(\">\")); ")));
    parts = native_list_append(parts, cg_html_parts(children, acc_var));
    parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" = el_str_concat(")), acc_var), EL_STR(", EL_STR(\"</")), tag), EL_STR(">\")); ")));
  }
  return str_join(parts, EL_STR(""));
  return 0;
}

el_val_t cg_html_each(el_val_t node, el_val_t acc_var) {
  el_val_t list_expr = el_get_field(node, EL_STR("list"));
  el_val_t item_name = el_get_field(node, EL_STR("item"));
  el_val_t body_children = el_get_field(node, EL_STR("body"));
  el_val_t id = next_html_id();
  el_val_t list_var = el_str_concat(EL_STR("_html_list_"), id);
  el_val_t len_var = el_str_concat(EL_STR("_html_len_"), id);
  el_val_t idx_var = el_str_concat(EL_STR("_html_i_"), id);
  el_val_t list_c = cg_expr(list_expr);
  el_val_t inner_c = cg_html_parts(body_children, acc_var);
  return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("{ el_val_t "), list_var), EL_STR(" = (")), list_c), EL_STR("); el_val_t ")), len_var), EL_STR(" = el_list_len(")), list_var), EL_STR("); for (el_val_t ")), idx_var), EL_STR(" = 0; ")), idx_var), EL_STR(" < ")), len_var), EL_STR("; ")), idx_var), EL_STR("++) { el_val_t ")), item_name), EL_STR(" = el_list_get(")), list_var), EL_STR(", ")), idx_var), EL_STR("); ")), inner_c), EL_STR("} } "));
  return 0;
}

el_val_t cg_html_if(el_val_t node, el_val_t acc_var) {
  el_val_t cond_expr = el_get_field(node, EL_STR("cond"));
  el_val_t then_children = el_get_field(node, EL_STR("then"));
  el_val_t else_children = el_get_field(node, EL_STR("else"));
  el_val_t cond_c = cg_expr(cond_expr);
  el_val_t then_c = cg_html_parts(then_children, acc_var);
  el_val_t else_c = cg_html_parts(else_children, acc_var);
  return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if ("), cond_c), EL_STR(") { ")), then_c), EL_STR(" } else { ")), else_c), EL_STR(" } "));
  return 0;
}

el_val_t cg_html_template(el_val_t expr) {
  el_val_t root = el_get_field(expr, EL_STR("root"));
  el_val_t id = next_html_id();
  el_val_t acc = el_str_concat(EL_STR("_html_"), id);
  el_val_t doctype_flag = el_get_field(root, EL_STR("doctype"));
  el_val_t doctype_prefix = EL_STR("");
  if (doctype_flag) {
    doctype_prefix = el_str_concat(el_str_concat(el_str_concat(acc, EL_STR(" = el_str_concat(")), acc), EL_STR(", EL_STR(\"<!doctype html>\")); "));
  }
  el_val_t body = cg_html_element_str(root, acc);
  return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("({ el_val_t "), acc), EL_STR(" = EL_STR(\"\"); ")), doctype_prefix), body), acc), EL_STR("; })"));
  return 0;
}

el_val_t cg_expr(el_val_t expr) {
  el_val_t kind = el_get_field(expr, EL_STR("expr"));
  if (str_eq(kind, EL_STR("Int"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    return v;
  }
  if (str_eq(kind, EL_STR("DurationLit"))) {
    el_val_t count = el_get_field(expr, EL_STR("count"));
    el_val_t unit = el_get_field(expr, EL_STR("unit"));
    el_val_t mult = duration_unit_nanos(unit);
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_from_nanos((el_val_t)("), count), EL_STR("LL * ")), mult), EL_STR("))"));
  }
  if (str_eq(kind, EL_STR("Float"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    return el_str_concat(el_str_concat(EL_STR("el_from_float("), v), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Str"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    return el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(v)), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Bool"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    if (str_eq(v, EL_STR("true"))) {
      return EL_STR("1");
    }
    return EL_STR("0");
  }
  if (str_eq(kind, EL_STR("Nil"))) {
    return EL_STR("EL_NULL");
  }
  if (str_eq(kind, EL_STR("Ident"))) {
    el_val_t name = el_get_field(expr, EL_STR("name"));
    return name;
  }
  if (str_eq(kind, EL_STR("Not"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    el_val_t inner_c = cg_expr(inner);
    return el_str_concat(EL_STR("!"), inner_c);
  }
  if (str_eq(kind, EL_STR("Neg"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    el_val_t inner_kind = el_get_field(inner, EL_STR("expr"));
    if (str_eq(inner_kind, EL_STR("Float"))) {
      el_val_t fval = el_get_field(inner, EL_STR("value"));
      return el_str_concat(el_str_concat(EL_STR("el_from_float(-"), fval), EL_STR(")"));
    }
    el_val_t inner_c = cg_expr(inner);
    return el_str_concat(el_str_concat(EL_STR("(-"), inner_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("BinOp"))) {
    el_val_t op = el_get_field(expr, EL_STR("op"));
    el_val_t left = el_get_field(expr, EL_STR("left"));
    el_val_t right = el_get_field(expr, EL_STR("right"));
    el_val_t left_c = cg_expr(left);
    el_val_t right_c = cg_expr(right);
    el_val_t left_kind = el_get_field(left, EL_STR("expr"));
    el_val_t right_kind = el_get_field(right, EL_STR("expr"));
    if (str_eq(op, EL_STR("Plus"))) {
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    if (str_eq(op, EL_STR("EqEq"))) {
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    if (str_eq(op, EL_STR("NotEq"))) {
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    el_val_t left_is_inst = is_instant_expr(left);
    el_val_t right_is_inst = is_instant_expr(right);
    el_val_t left_is_dur = is_duration_expr(left);
    el_val_t right_is_dur = is_duration_expr(right);
    el_val_t left_is_ld = is_localdate_expr(left);
    el_val_t right_is_ld = is_localdate_expr(right);
    el_val_t left_is_lt = is_localtime_expr(left);
    el_val_t right_is_lt = is_localtime_expr(right);
    el_val_t left_is_ct = is_caltime_expr(left);
    el_val_t right_is_ct = is_caltime_expr(right);
    if (left_is_ld) {
      if (str_eq(op, EL_STR("Plus"))) {
        if (right_is_dur) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_local_date_add_dur("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
        }
      }
      if (str_eq(op, EL_STR("Lt"))) {
        if (right_is_ld) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_local_date_lt("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
        }
      }
      if (str_eq(op, EL_STR("EqEq"))) {
        if (right_is_ld) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_local_date_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
        }
      }
    }
    if (left_is_lt) {
      if (str_eq(op, EL_STR("Plus"))) {
        if (right_is_dur) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_local_time_add_dur("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
        }
      }
    }
    if (left_is_ct) {
      if (str_eq(op, EL_STR("Plus"))) {
        if (right_is_ct) {
          time_record_violation(EL_STR("caltime_plus_caltime"), EL_STR("CalendarTime + CalendarTime is not allowed (use cal_to_instant + Duration)"));
          return EL_STR("0 /* TIME_TYPE_ERROR: CalendarTime + CalendarTime */");
        }
      }
    }
    el_val_t any_temporal = 0;
    if (left_is_inst) {
      any_temporal = 1;
    }
    if (right_is_inst) {
      any_temporal = 1;
    }
    if (left_is_dur) {
      any_temporal = 1;
    }
    if (right_is_dur) {
      any_temporal = 1;
    }
    if (any_temporal) {
      if (str_eq(op, EL_STR("Plus"))) {
        if (left_is_inst) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_add_dur("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
          if (right_is_inst) {
            time_record_violation(EL_STR("instant_plus_instant"), EL_STR("Instant + Instant is not allowed"));
            return EL_STR("0 /* TIME_TYPE_ERROR: Instant + Instant */");
          }
        }
        if (left_is_dur) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_add_dur("), right_c), EL_STR(", ")), left_c), EL_STR(")"));
          }
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_add("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
          if (is_int_expr(right)) {
            time_record_violation(EL_STR("duration_plus_int"), EL_STR("Duration + Int is not allowed (use duration_seconds(n) or N.seconds)"));
            return EL_STR("0 /* TIME_TYPE_ERROR: Duration + Int */");
          }
        }
        if (right_is_dur) {
          if (is_int_expr(left)) {
            time_record_violation(EL_STR("duration_plus_int"), EL_STR("Int + Duration is not allowed"));
            return EL_STR("0 /* TIME_TYPE_ERROR: Int + Duration */");
          }
        }
      }
      if (str_eq(op, EL_STR("Minus"))) {
        if (left_is_inst) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_sub_dur("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_diff("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_sub("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
          if (is_int_expr(right)) {
            time_record_violation(EL_STR("duration_minus_int"), EL_STR("Duration - Int is not allowed"));
            return EL_STR("0 /* TIME_TYPE_ERROR: Duration - Int */");
          }
        }
      }
      if (str_eq(op, EL_STR("Star"))) {
        if (left_is_dur) {
          if (is_int_expr(right)) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_scale("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (right_is_dur) {
          if (is_int_expr(left)) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_scale("), right_c), EL_STR(", ")), left_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(op, EL_STR("Slash"))) {
        if (left_is_dur) {
          if (is_int_expr(right)) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_div("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(op, EL_STR("Lt"))) {
        if (left_is_inst) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_lt("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
          if (right_is_dur) {
            time_record_violation(EL_STR("instant_cmp_duration"), EL_STR("Instant < Duration is not allowed"));
            return EL_STR("0 /* TIME_TYPE_ERROR: Instant < Duration */");
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_lt("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
          if (right_is_inst) {
            time_record_violation(EL_STR("duration_cmp_instant"), EL_STR("Duration < Instant is not allowed"));
            return EL_STR("0 /* TIME_TYPE_ERROR: Duration < Instant */");
          }
        }
      }
      if (str_eq(op, EL_STR("LtEq"))) {
        if (left_is_inst) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_le("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_le("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(op, EL_STR("Gt"))) {
        if (left_is_inst) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_gt("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_gt("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(op, EL_STR("GtEq"))) {
        if (left_is_inst) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_ge("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_ge("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(op, EL_STR("EqEq"))) {
        if (left_is_inst) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(op, EL_STR("NotEq"))) {
        if (left_is_inst) {
          if (right_is_inst) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_instant_ne("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
        if (left_is_dur) {
          if (right_is_dur) {
            return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_duration_ne("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
          }
        }
      }
    }
    if (str_eq(op, EL_STR("Plus"))) {
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (is_int_expr(left)) {
        if (is_int_expr(right)) {
          el_val_t op_c = binop_to_c(op);
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" ")), op_c), EL_STR(" ")), right_c), EL_STR(")"));
        }
      }
      if (str_eq(left_kind, EL_STR("Int"))) {
        el_val_t op_c = binop_to_c(op);
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" ")), op_c), EL_STR(" ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Int"))) {
        el_val_t op_c = binop_to_c(op);
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" ")), op_c), EL_STR(" ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("BinOp"))) {
        el_val_t left_op = el_get_field(left, EL_STR("op"));
        if (str_eq(left_op, EL_STR("Plus"))) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
        }
      }
      if (str_eq(right_kind, EL_STR("BinOp"))) {
        el_val_t right_op = el_get_field(right, EL_STR("op"));
        if (str_eq(right_op, EL_STR("Plus"))) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
        }
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    if (str_eq(op, EL_STR("EqEq"))) {
      if (str_eq(left_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        if (str_eq(right_kind, EL_STR("Ident"))) {
          el_val_t lname = el_get_field(left, EL_STR("name"));
          el_val_t rname = el_get_field(right, EL_STR("name"));
          if (is_int_name(lname)) {
            if (is_int_name(rname)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (is_int_expr(left)) {
        if (is_int_expr(right)) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
        }
      }
      if (is_float_expr(left)) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
      }
      if (is_float_expr(right)) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" == ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    if (str_eq(op, EL_STR("NotEq"))) {
      if (str_eq(left_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        if (str_eq(right_kind, EL_STR("Ident"))) {
          el_val_t lname = el_get_field(left, EL_STR("name"));
          el_val_t rname = el_get_field(right, EL_STR("name"));
          if (is_int_name(lname)) {
            if (is_int_name(rname)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (is_int_expr(left)) {
        if (is_int_expr(right)) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
        }
      }
      if (is_float_expr(left)) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
      }
      if (is_float_expr(right)) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" != ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    el_val_t op_c = binop_to_c(op);
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" ")), op_c), EL_STR(" ")), right_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Call"))) {
    el_val_t func = el_get_field(expr, EL_STR("func"));
    el_val_t args = el_get_field(expr, EL_STR("args"));
    el_val_t arity = native_list_len(args);
    el_val_t func_kind = el_get_field(func, EL_STR("expr"));
    el_val_t args_parts = native_list_empty();
    el_val_t i = 0;
    while (i < arity) {
      el_val_t arg = native_list_get(args, i);
      el_val_t arg_c = cg_expr(arg);
      args_parts = native_list_append(args_parts, arg_c);
      i = (i + 1);
    }
    el_val_t args_c = str_join(args_parts, EL_STR(", "));
    el_release(args_parts);
    if (str_eq(func_kind, EL_STR("Ident"))) {
      el_val_t fn_name = el_get_field(func, EL_STR("name"));
      cap_check_call(fn_name);
      arity_check_call(fn_name, arity);
      if (str_eq(fn_name, EL_STR("sleep"))) {
        if (arity == 1) {
          el_val_t only_arg = native_list_get(args, 0);
          if (is_duration_expr(only_arg)) {
            return el_str_concat(el_str_concat(EL_STR("el_sleep_duration("), args_c), EL_STR(")"));
          }
        }
      }
      if (str_eq(fn_name, EL_STR("el_from_float"))) {
        if (arity == 1) {
          el_val_t only_arg = native_list_get(args, 0);
          el_val_t arg_kind = el_get_field(only_arg, EL_STR("expr"));
          if (str_eq(arg_kind, EL_STR("Float"))) {
            el_val_t v = el_get_field(only_arg, EL_STR("value"));
            return el_str_concat(el_str_concat(EL_STR("el_from_float("), v), EL_STR(")"));
          }
        }
      }
      return el_str_concat(el_str_concat(el_str_concat(fn_name, EL_STR("(")), args_c), EL_STR(")"));
    }
    if (str_eq(func_kind, EL_STR("Field"))) {
      el_val_t obj = el_get_field(func, EL_STR("object"));
      el_val_t field = el_get_field(func, EL_STR("field"));
      el_val_t obj_c = cg_expr(obj);
      if (arity > 0) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(field, EL_STR("(")), obj_c), EL_STR(", ")), args_c), EL_STR(")"));
      }
      return el_str_concat(el_str_concat(el_str_concat(field, EL_STR("(")), obj_c), EL_STR(")"));
    }
    el_val_t fn_c = cg_expr(func);
    return el_str_concat(el_str_concat(el_str_concat(fn_c, EL_STR("(")), args_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Field"))) {
    el_val_t obj = el_get_field(expr, EL_STR("object"));
    el_val_t field = el_get_field(expr, EL_STR("field"));
    el_val_t obj_c = cg_expr(obj);
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_get_field("), obj_c), EL_STR(", EL_STR(")), c_str_lit(field)), EL_STR("))"));
  }
  if (str_eq(kind, EL_STR("Index"))) {
    el_val_t obj = el_get_field(expr, EL_STR("object"));
    el_val_t idx = el_get_field(expr, EL_STR("index"));
    el_val_t obj_c = cg_expr(obj);
    el_val_t idx_c = cg_expr(idx);
    el_val_t idx_kind = el_get_field(idx, EL_STR("expr"));
    if (str_eq(idx_kind, EL_STR("Str"))) {
      return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_get_field("), obj_c), EL_STR(", ")), idx_c), EL_STR(")"));
    }
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_list_get("), obj_c), EL_STR(", ")), idx_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Array"))) {
    el_val_t elems = el_get_field(expr, EL_STR("elems"));
    el_val_t n = native_list_len(elems);
    if (n == 0) {
      return EL_STR("el_list_empty()");
    }
    el_val_t items_parts = native_list_empty();
    el_val_t i = 0;
    while (i < n) {
      el_val_t elem = native_list_get(elems, i);
      el_val_t elem_c = cg_expr(elem);
      items_parts = native_list_append(items_parts, elem_c);
      i = (i + 1);
    }
    el_val_t items_joined = str_join(items_parts, EL_STR(", "));
    el_release(items_parts);
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_list_new("), native_int_to_str(n)), EL_STR(", ")), items_joined), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Map"))) {
    el_val_t pairs = el_get_field(expr, EL_STR("pairs"));
    el_val_t n = native_list_len(pairs);
    if (n == 0) {
      return EL_STR("el_map_new(0)");
    }
    el_val_t items_parts = native_list_empty();
    el_val_t i = 0;
    while (i < n) {
      el_val_t pair = native_list_get(pairs, i);
      el_val_t key = el_get_field(pair, EL_STR("key"));
      el_val_t val = el_get_field(pair, EL_STR("value"));
      el_val_t val_c = cg_expr(val);
      items_parts = native_list_append(items_parts, el_str_concat(el_str_concat(c_str_lit(key), EL_STR(", ")), val_c));
      i = (i + 1);
    }
    el_val_t items_joined = str_join(items_parts, EL_STR(", "));
    el_release(items_parts);
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_map_new("), native_int_to_str(n)), EL_STR(", ")), items_joined), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Try"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    return cg_expr(inner);
  }
  if (str_eq(kind, EL_STR("If"))) {
    return cg_if_expr(expr);
  }
  if (str_eq(kind, EL_STR("Match"))) {
    return cg_match(expr);
  }
  if (str_eq(kind, EL_STR("HtmlTemplate"))) {
    return cg_html_template(expr);
  }
  if (str_eq(kind, EL_STR("Lambda"))) {
    EL_STR("EL_NULL");
  } else {
    EL_STR("EL_NULL");
  }
  return 0;
}

el_val_t next_match_id(void) {
  el_val_t csv = state_get(EL_STR("__match_counter"));
  el_val_t n = 0;
  if (!str_eq(csv, EL_STR(""))) {
    n = str_to_int(csv);
  }
  n = (n + 1);
  state_set(EL_STR("__match_counter"), native_int_to_str(n));
  return native_int_to_str(n);
  return 0;
}

el_val_t cg_match(el_val_t expr) {
  el_val_t subject = el_get_field(expr, EL_STR("subject"));
  el_val_t arms = el_get_field(expr, EL_STR("arms"));
  el_val_t subj_c = cg_expr(subject);
  el_val_t id = next_match_id();
  el_val_t subj_var = el_str_concat(EL_STR("_match_subj_"), id);
  el_val_t result_var = el_str_concat(EL_STR("_match_result_"), id);
  el_val_t done_label = el_str_concat(EL_STR("_match_done_"), id);
  el_val_t parts = native_list_empty();
  parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("({ el_val_t "), subj_var), EL_STR(" = ")), subj_c), EL_STR("; el_val_t ")), result_var), EL_STR(" = 0; ")));
  el_val_t n = native_list_len(arms);
  el_val_t i = 0;
  while (i < n) {
    el_val_t arm = native_list_get(arms, i);
    el_val_t pat = el_get_field(arm, EL_STR("pattern"));
    el_val_t body = el_get_field(arm, EL_STR("body"));
    el_val_t pkind = el_get_field(pat, EL_STR("pattern"));
    el_val_t body_c = cg_expr(body);
    if (str_eq(pkind, EL_STR("Wildcard"))) {
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("{ "), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
    } else {
      if (str_eq(pkind, EL_STR("Binding"))) {
        el_val_t bname = el_get_field(pat, EL_STR("name"));
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("{ el_val_t "), bname), EL_STR(" = ")), subj_var), EL_STR("; ")), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
      } else {
        if (str_eq(pkind, EL_STR("LitInt"))) {
          el_val_t v = el_get_field(pat, EL_STR("value"));
          parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if ("), subj_var), EL_STR(" == ")), v), EL_STR(") { ")), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
        } else {
          if (str_eq(pkind, EL_STR("LitStr"))) {
            el_val_t v = el_get_field(pat, EL_STR("value"));
            parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if (str_eq("), subj_var), EL_STR(", EL_STR(")), c_str_lit(v)), EL_STR("))) { ")), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
          } else {
            if (str_eq(pkind, EL_STR("LitBool"))) {
              el_val_t v = el_get_field(pat, EL_STR("value"));
              el_val_t bv = EL_STR("0");
              if (str_eq(v, EL_STR("true"))) {
                bv = EL_STR("1");
              }
              parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if ("), subj_var), EL_STR(" == ")), bv), EL_STR(") { ")), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
            } else {
              if (str_eq(pkind, EL_STR("Variant"))) {
                el_val_t variant = el_get_field(pat, EL_STR("variant"));
                parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if (str_eq("), subj_var), EL_STR(", EL_STR(")), c_str_lit(variant)), EL_STR("))) { ")), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
              } else {
                parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("{ "), result_var), EL_STR(" = (")), body_c), EL_STR("); goto ")), done_label), EL_STR("; } ")));
              }
            }
          }
        }
      }
    }
    i = (i + 1);
  }
  parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(done_label, EL_STR(":; ")), result_var), EL_STR("; })")));
  el_val_t result = str_join(parts, EL_STR(""));
  el_release(parts);
  return result;
  return 0;
}

el_val_t cg_match_stmt(el_val_t expr, el_val_t indent, el_val_t declared) {
  el_val_t subject = el_get_field(expr, EL_STR("subject"));
  el_val_t arms = el_get_field(expr, EL_STR("arms"));
  el_val_t subj_c = cg_expr(subject);
  el_val_t id = next_match_id();
  el_val_t subj_var = el_str_concat(EL_STR("_match_subj_"), id);
  el_val_t inner = el_str_concat(indent, EL_STR("  "));
  emit_line(el_str_concat(indent, EL_STR("{")));
  emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("el_val_t ")), subj_var), EL_STR(" = ")), subj_c), EL_STR(";")));
  el_val_t n = native_list_len(arms);
  el_val_t i = 0;
  el_val_t first_cond = 1;
  while (i < n) {
    el_val_t arm = native_list_get(arms, i);
    el_val_t pat = el_get_field(arm, EL_STR("pattern"));
    el_val_t body = el_get_field(arm, EL_STR("body"));
    el_val_t pkind = el_get_field(pat, EL_STR("pattern"));
    el_val_t body_c = cg_expr(body);
    if (str_eq(pkind, EL_STR("LitStr"))) {
      el_val_t v = el_get_field(pat, EL_STR("value"));
      el_val_t cond_str = el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), subj_var), EL_STR(", EL_STR(")), c_str_lit(v)), EL_STR("))"));
      if (first_cond) {
        emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("if (")), cond_str), EL_STR(") {")));
        first_cond = 0;
      } else {
        emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("} else if (")), cond_str), EL_STR(") {")));
      }
      emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("  ")), body_c), EL_STR(";")));
    } else {
      if (str_eq(pkind, EL_STR("LitInt"))) {
        el_val_t v = el_get_field(pat, EL_STR("value"));
        el_val_t cond_str = el_str_concat(el_str_concat(subj_var, EL_STR(" == ")), v);
        if (first_cond) {
          emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("if (")), cond_str), EL_STR(") {")));
          first_cond = 0;
        } else {
          emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("} else if (")), cond_str), EL_STR(") {")));
        }
        emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("  ")), body_c), EL_STR(";")));
      } else {
        if (str_eq(pkind, EL_STR("LitBool"))) {
          el_val_t v = el_get_field(pat, EL_STR("value"));
          el_val_t bv = EL_STR("0");
          if (str_eq(v, EL_STR("true"))) {
            bv = EL_STR("1");
          }
          el_val_t cond_str = el_str_concat(el_str_concat(subj_var, EL_STR(" == ")), bv);
          if (first_cond) {
            emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("if (")), cond_str), EL_STR(") {")));
            first_cond = 0;
          } else {
            emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("} else if (")), cond_str), EL_STR(") {")));
          }
          emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("  ")), body_c), EL_STR(";")));
        } else {
          if (first_cond) {
            emit_line(el_str_concat(inner, EL_STR("{")));
          } else {
            emit_line(el_str_concat(inner, EL_STR("} else {")));
          }
          if (str_eq(pkind, EL_STR("Binding"))) {
            el_val_t bname = el_get_field(pat, EL_STR("name"));
            emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("  el_val_t ")), bname), EL_STR(" = ")), subj_var), EL_STR(";")));
          }
          emit_line(el_str_concat(el_str_concat(el_str_concat(inner, EL_STR("  ")), body_c), EL_STR(";")));
          emit_line(el_str_concat(inner, EL_STR("}")));
          first_cond = 1;
        }
      }
    }
    i = (i + 1);
  }
  if (!first_cond) {
    emit_line(el_str_concat(inner, EL_STR("}")));
  }
  emit_line(el_str_concat(indent, EL_STR("}")));
  return 0;
}

el_val_t next_if_id(void) {
  el_val_t csv = state_get(EL_STR("__if_expr_counter"));
  el_val_t n = 0;
  if (!str_eq(csv, EL_STR(""))) {
    n = str_to_int(csv);
  }
  n = (n + 1);
  state_set(EL_STR("__if_expr_counter"), native_int_to_str(n));
  return native_int_to_str(n);
  return 0;
}

el_val_t cg_if_expr_arm(el_val_t stmts, el_val_t result_var) {
  el_val_t n = native_list_len(stmts);
  el_val_t parts = native_list_empty();
  el_val_t i = 0;
  while (i < n) {
    el_val_t s = native_list_get(stmts, i);
    el_val_t sk = el_get_field(s, EL_STR("stmt"));
    el_val_t is_last = 0;
    if (i == (n - 1)) {
      is_last = 1;
    }
    if (str_eq(sk, EL_STR("Let"))) {
      el_val_t name = el_get_field(s, EL_STR("name"));
      el_val_t val = el_get_field(s, EL_STR("value"));
      el_val_t val_c = cg_expr(val);
      parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_val_t "), name), EL_STR(" = ")), val_c), EL_STR("; ")));
    } else {
      if (str_eq(sk, EL_STR("Return"))) {
        el_val_t val = el_get_field(s, EL_STR("value"));
        el_val_t val_c = cg_expr(val);
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(result_var, EL_STR(" = (")), val_c), EL_STR("); ")));
      } else {
        if (str_eq(sk, EL_STR("Expr"))) {
          el_val_t val = el_get_field(s, EL_STR("value"));
          el_val_t val_c = cg_expr(val);
          if (is_last) {
            parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(result_var, EL_STR(" = (")), val_c), EL_STR("); ")));
          } else {
            parts = native_list_append(parts, el_str_concat(el_str_concat(EL_STR("(void)("), val_c), EL_STR("); ")));
          }
        } else {
          if (str_eq(sk, EL_STR("Assign"))) {
            el_val_t aname = el_get_field(s, EL_STR("name"));
            el_val_t aval = el_get_field(s, EL_STR("value"));
            el_val_t aval_c = cg_expr(aval);
            parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(aname, EL_STR(" = ")), aval_c), EL_STR("; ")));
          } else {
          }
        }
      }
    }
    i = (i + 1);
  }
  el_val_t result = str_join(parts, EL_STR(""));
  el_release(parts);
  return result;
  return 0;
}

el_val_t cg_if_expr(el_val_t expr) {
  el_val_t cond = el_get_field(expr, EL_STR("cond"));
  el_val_t then_stmts = el_get_field(expr, EL_STR("then"));
  el_val_t else_stmts = el_get_field(expr, EL_STR("else"));
  el_val_t has_else = el_get_field(expr, EL_STR("has_else"));
  el_val_t cond_c = cg_expr(cond);
  el_val_t id = next_if_id();
  el_val_t result_var = el_str_concat(EL_STR("_if_result_"), id);
  el_val_t then_c = cg_if_expr_arm(then_stmts, result_var);
  el_val_t else_c = EL_STR("");
  if (has_else) {
    else_c = cg_if_expr_arm(else_stmts, result_var);
  }
  el_val_t out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("({ el_val_t "), result_var), EL_STR(" = 0; if (")), cond_c), EL_STR(") { ")), then_c), EL_STR("} else { ")), else_c), EL_STR("} ")), result_var), EL_STR("; })"));
  return out;
  return 0;
}

el_val_t list_contains(el_val_t lst, el_val_t s) {
  el_val_t n = native_list_len(lst);
  el_val_t i = 0;
  while (i < n) {
    el_val_t item = native_list_get(lst, i);
    if (str_eq(item, s)) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t cg_stmt(el_val_t stmt, el_val_t indent, el_val_t declared) {
  el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(kind, EL_STR("Let"))) {
    el_val_t name = el_get_field(stmt, EL_STR("name"));
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_c = cg_expr(val);
    el_val_t ltype = el_get_field(stmt, EL_STR("type"));
    if (str_eq(ltype, EL_STR("Int"))) {
      add_int_name(name);
    }
    if (str_eq(ltype, EL_STR("Instant"))) {
      add_instant_name(name);
    }
    if (str_eq(ltype, EL_STR("Duration"))) {
      add_duration_name(name);
    }
    if (str_eq(ltype, EL_STR("Calendar"))) {
      add_calendar_name(name);
    }
    if (str_eq(ltype, EL_STR("CalendarTime"))) {
      add_caltime_name(name);
    }
    if (str_eq(ltype, EL_STR("Rhythm"))) {
      add_rhythm_name(name);
    }
    if (str_eq(ltype, EL_STR("LocalDate"))) {
      add_localdate_name(name);
    }
    if (str_eq(ltype, EL_STR("LocalTime"))) {
      add_localtime_name(name);
    }
    if (str_eq(ltype, EL_STR("LocalDateTime"))) {
      add_localdt_name(name);
    }
    if (str_eq(ltype, EL_STR("Zone"))) {
      add_zone_name(name);
    }
    if (is_instant_expr(val)) {
      add_instant_name(name);
    }
    if (is_duration_expr(val)) {
      add_duration_name(name);
    }
    if (is_calendar_expr(val)) {
      add_calendar_name(name);
    }
    if (is_caltime_expr(val)) {
      add_caltime_name(name);
    }
    if (is_rhythm_expr(val)) {
      add_rhythm_name(name);
    }
    if (is_localdate_expr(val)) {
      add_localdate_name(name);
    }
    if (is_localtime_expr(val)) {
      add_localtime_name(name);
    }
    if (is_localdt_expr(val)) {
      add_localdt_name(name);
    }
    if (is_zone_expr(val)) {
      add_zone_name(name);
    }
    el_val_t vk = el_get_field(val, EL_STR("expr"));
    if (str_eq(vk, EL_STR("Int"))) {
      add_int_name(name);
    }
    if (list_contains(declared, name)) {
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, name), EL_STR(" = ")), val_c), EL_STR(";")));
      return declared;
    } else {
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("el_val_t ")), name), EL_STR(" = ")), val_c), EL_STR(";")));
      return native_list_append(declared, name);
    }
  }
  if (str_eq(kind, EL_STR("Return"))) {
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_kind = el_get_field(val, EL_STR("expr"));
    if (str_eq(val_kind, EL_STR("Nil"))) {
      emit_line(el_str_concat(indent, EL_STR("return 0;")));
    } else {
      el_val_t val_c = cg_expr(val);
      emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("return ")), val_c), EL_STR(";")));
    }
    return declared;
  }
  if (str_eq(kind, EL_STR("Break"))) {
    emit_line(el_str_concat(indent, EL_STR("break;")));
    return declared;
  }
  if (str_eq(kind, EL_STR("Continue"))) {
    emit_line(el_str_concat(indent, EL_STR("continue;")));
    return declared;
  }
  if (str_eq(kind, EL_STR("Assign"))) {
    el_val_t name = el_get_field(stmt, EL_STR("name"));
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_c = cg_expr(val);
    emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, name), EL_STR(" = ")), val_c), EL_STR(";")));
    return declared;
  }
  if (str_eq(kind, EL_STR("Expr"))) {
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_kind = el_get_field(val, EL_STR("expr"));
    if (str_eq(val_kind, EL_STR("If"))) {
      cg_if_stmt(val, indent, declared);
      return declared;
    }
    if (str_eq(val_kind, EL_STR("For"))) {
      cg_for_stmt(val, indent, declared);
      return declared;
    }
    if (str_eq(val_kind, EL_STR("Match"))) {
      cg_match_stmt(val, indent, declared);
      return declared;
    }
    el_val_t val_c = cg_expr(val);
    emit_line(el_str_concat(el_str_concat(indent, val_c), EL_STR(";")));
    return declared;
  }
  if (str_eq(kind, EL_STR("While"))) {
    el_val_t cond = el_get_field(stmt, EL_STR("cond"));
    el_val_t body = el_get_field(stmt, EL_STR("body"));
    el_val_t cond_c = cg_expr(cond);
    cond_c = strip_outer_parens(cond_c);
    emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("while (")), cond_c), EL_STR(") {")));
    cg_stmts(body, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
    emit_line(el_str_concat(indent, EL_STR("}")));
    return declared;
  }
  if (str_eq(kind, EL_STR("For"))) {
    el_val_t item = el_get_field(stmt, EL_STR("item"));
    el_val_t list_expr = el_get_field(stmt, EL_STR("list"));
    el_val_t body = el_get_field(stmt, EL_STR("body"));
    cg_for_body(item, list_expr, body, indent, declared);
    return declared;
  }
  if (str_eq(kind, EL_STR("ForRange"))) {
    el_val_t var_name = el_get_field(stmt, EL_STR("var"));
    el_val_t start_expr = el_get_field(stmt, EL_STR("start"));
    el_val_t end_expr = el_get_field(stmt, EL_STR("end"));
    el_val_t inclusive = el_get_field(stmt, EL_STR("inclusive"));
    el_val_t body = el_get_field(stmt, EL_STR("body"));
    el_val_t start_c = cg_expr(start_expr);
    el_val_t end_c = cg_expr(end_expr);
    el_val_t body_decl = native_list_clone(declared);
    body_decl = native_list_append(body_decl, var_name);
    if (inclusive) {
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("for (el_val_t ")), var_name), EL_STR(" = ")), start_c), EL_STR("; ")), var_name), EL_STR(" <= ")), end_c), EL_STR("; ")), var_name), EL_STR("++) {")));
    } else {
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("for (el_val_t ")), var_name), EL_STR(" = ")), start_c), EL_STR("; ")), var_name), EL_STR(" < ")), end_c), EL_STR("; ")), var_name), EL_STR("++) {")));
    }
    cg_stmts(body, el_str_concat(indent, EL_STR("  ")), body_decl);
    emit_line(el_str_concat(indent, EL_STR("}")));
    return declared;
  }
  if (str_eq(kind, EL_STR("FnDef"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("TypeDef"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("EnumDef"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("Import"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("ExternFn"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("CgiBlock"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("TryCatch"))) {
    el_val_t try_body = el_get_field(stmt, EL_STR("try_body"));
    emit_line(el_str_concat(indent, EL_STR("/* try (C target: exception handling not supported) */")));
    cg_stmts(try_body, indent, native_list_clone(declared));
    return declared;
  }
  if (str_eq(kind, EL_STR("Assert"))) {
    el_val_t cond_node = el_get_field(stmt, EL_STR("cond"));
    el_val_t msg_node = el_get_field(stmt, EL_STR("msg"));
    el_val_t c_cond = cg_expr(cond_node);
    el_val_t c_msg = EL_STR("");
    el_val_t msg_kind = el_get_field(msg_node, EL_STR("expr"));
    if (str_eq(msg_kind, EL_STR("Str"))) {
      el_val_t raw_msg = el_get_field(msg_node, EL_STR("value"));
      c_msg = el_str_concat(el_str_concat(EL_STR("\""), c_escape(raw_msg)), EL_STR("\""));
    } else {
      c_msg = el_str_concat(el_str_concat(EL_STR("EL_STR_PTR("), cg_expr(msg_node)), EL_STR(")"));
    }
    emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("if (!(")), c_cond), EL_STR(")) {")));
    emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("  __el_test_fail(__el_cur_test, ")), c_msg), EL_STR("); __el_fail++;")));
    emit_line(el_str_concat(indent, EL_STR("} else { __el_pass++; }")));
    return declared;
  }
  return declared;
  return 0;
}

el_val_t strip_outer_parens(el_val_t s) {
  el_val_t chars = native_string_chars(s);
  el_val_t n = native_list_len(chars);
  if (n < 2) {
    return s;
  }
  el_val_t first = native_list_get(chars, 0);
  el_val_t last = native_list_get(chars, (n - 1));
  if (str_eq(first, EL_STR("("))) {
    if (str_eq(last, EL_STR(")"))) {
      el_val_t depth = 1;
      el_val_t i = 1;
      el_val_t balanced = 1;
      while (i < (n - 1)) {
        el_val_t ch = native_list_get(chars, i);
        if (str_eq(ch, EL_STR("("))) {
          depth = (depth + 1);
        }
        if (str_eq(ch, EL_STR(")"))) {
          depth = (depth - 1);
          if (depth == 0) {
            balanced = 0;
            i = n;
          }
        }
        i = (i + 1);
      }
      if (balanced) {
        return str_slice(s, 1, (n - 1));
      }
    }
  }
  return s;
  return 0;
}

el_val_t cg_if_stmt(el_val_t expr, el_val_t indent, el_val_t declared) {
  el_val_t cond = el_get_field(expr, EL_STR("cond"));
  el_val_t then_stmts = el_get_field(expr, EL_STR("then"));
  el_val_t else_stmts = el_get_field(expr, EL_STR("else"));
  el_val_t has_else = el_get_field(expr, EL_STR("has_else"));
  el_val_t cond_c = cg_expr(cond);
  cond_c = strip_outer_parens(cond_c);
  emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("if (")), cond_c), EL_STR(") {")));
  cg_stmts(then_stmts, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
  if (has_else) {
    emit_line(el_str_concat(indent, EL_STR("} else {")));
    cg_stmts(else_stmts, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
  }
  emit_line(el_str_concat(indent, EL_STR("}")));
  return 0;
}

el_val_t cg_for_body(el_val_t item, el_val_t list_expr, el_val_t body, el_val_t indent, el_val_t declared) {
  el_val_t list_c = cg_expr(list_expr);
  el_val_t idx = EL_STR("_el_i");
  el_val_t list_tmp = EL_STR("_el_lst");
  el_val_t len_tmp = EL_STR("_el_len");
  emit_line(el_str_concat(indent, EL_STR("{")));
  emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("  el_val_t ")), list_tmp), EL_STR(" = ")), list_c), EL_STR(";")));
  emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("  el_val_t ")), len_tmp), EL_STR(" = el_list_len(")), list_tmp), EL_STR(");")));
  emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("  for (el_val_t ")), idx), EL_STR(" = 0; ")), idx), EL_STR(" < ")), len_tmp), EL_STR("; ")), idx), EL_STR("++) {")));
  emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("    el_val_t ")), item), EL_STR(" = el_list_get(")), list_tmp), EL_STR(", ")), idx), EL_STR(");")));
  el_val_t body_decl = native_list_clone(declared);
  body_decl = native_list_append(body_decl, item);
  cg_stmts(body, el_str_concat(indent, EL_STR("    ")), body_decl);
  emit_line(el_str_concat(indent, EL_STR("  }")));
  emit_line(el_str_concat(indent, EL_STR("}")));
  return 0;
}

el_val_t cg_for_stmt(el_val_t expr, el_val_t indent, el_val_t declared) {
  el_val_t item = el_get_field(expr, EL_STR("item"));
  el_val_t list_expr = el_get_field(expr, EL_STR("list"));
  el_val_t body = el_get_field(expr, EL_STR("body"));
  cg_for_body(item, list_expr, body, indent, declared);
  return 0;
}

el_val_t cg_stmts(el_val_t stmts, el_val_t indent, el_val_t declared) {
  el_val_t n = native_list_len(stmts);
  el_val_t i = 0;
  el_val_t decl = declared;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    el_val_t s_mark = el_arena_push();
    decl = cg_stmt(stmt, indent, decl);
    el_arena_pop(s_mark);
    i = (i + 1);
  }
  return decl;
  return 0;
}

el_val_t param_decl(el_val_t param, el_val_t idx) {
  el_val_t name = el_get_field(param, EL_STR("name"));
  return el_str_concat(EL_STR("el_val_t "), name);
  return 0;
}

el_val_t params_to_c(el_val_t params) {
  el_val_t n = native_list_len(params);
  if (n == 0) {
    return EL_STR("void");
  }
  el_val_t parts = native_list_empty();
  el_val_t i = 0;
  while (i < n) {
    el_val_t param = native_list_get(params, i);
    el_val_t decl = param_decl(param, i);
    parts = native_list_append(parts, decl);
    i = (i + 1);
  }
  el_val_t result = str_join(parts, EL_STR(", "));
  el_release(parts);
  return result;
  return 0;
}

el_val_t transform_implicit_return(el_val_t body) {
  el_val_t n = native_list_len(body);
  if (n == 0) {
    return body;
  }
  el_val_t last = native_list_get(body, (n - 1));
  el_val_t last_kind = el_get_field(last, EL_STR("stmt"));
  if (str_eq(last_kind, EL_STR("Expr"))) {
    el_val_t val = el_get_field(last, EL_STR("value"));
    el_val_t val_kind = el_get_field(val, EL_STR("expr"));
    if (str_eq(val_kind, EL_STR("If"))) {
      return body;
    }
    if (str_eq(val_kind, EL_STR("For"))) {
      return body;
    }
    el_val_t new_body = native_list_empty();
    el_val_t i = 0;
    while (i < (n - 1)) {
      new_body = native_list_append(new_body, native_list_get(body, i));
      i = (i + 1);
    }
    el_val_t return_stmt = el_map_new(2, "stmt", EL_STR("Return"), "value", val);
    new_body = native_list_append(new_body, return_stmt);
    return new_body;
  }
  return body;
  return 0;
}

el_val_t is_int_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__int_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_instant_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__instant_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_duration_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__duration_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_int_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("str_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_index_of"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_to_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_char_code"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_chars"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_bytes"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_lines"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_words"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_letters"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_digits"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_last_index_of"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_find_chars"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("native_list_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_list_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("json_get_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("json_array_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_node_count"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_edge_count"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_now"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_now_utc"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_diff"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_add"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_from_parts"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_abs"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_max"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_min"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("float_to_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("unix_timestamp"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("instant_to_unix_seconds"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("instant_to_unix_millis"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("duration_to_seconds"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("duration_to_millis"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("duration_to_nanos"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_instant_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("now"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_now_instant"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("unix_seconds"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("unix_millis"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("instant_from_iso8601"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_instant_add_dur"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_instant_sub_dur"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_duration_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("el_duration_from_nanos"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("duration_seconds"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("duration_millis"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("duration_nanos"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_instant_diff"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_duration_add"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_duration_sub"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_duration_scale"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_duration_div"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("ttl_cache_age"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_calendar_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__calendar_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_caltime_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__caltime_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_rhythm_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__rhythm_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_localdate_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__localdate_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_localtime_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__localtime_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_localdt_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__localdt_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_zone_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__zone_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t is_calendar_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("earth_calendar"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("earth_calendar_default"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("mars_calendar"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("cycle_calendar"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("no_cycle_calendar"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("relative_calendar"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_caltime_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("now_in"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("in_calendar"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("cal_in"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("zoned"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_rhythm_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("rhythm_cycle_start"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_cycle_phase"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_duration"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_session_start"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_event"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_and"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_or"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_weekday"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("rhythm_weekly_at"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_localdate_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("local_date"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_local_date_add_dur"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_localtime_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("local_time"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_local_time_add_dur"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_localdt_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("local_datetime"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_zone_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("zone"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("zone_utc"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("zone_local"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("zone_offset"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_calendar_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_calendar_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_calendar_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_caltime_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_caltime_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_caltime_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_rhythm_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_rhythm_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_rhythm_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_localdate_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_localdate_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_localdate_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_localtime_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_localtime_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_localtime_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_localdt_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_localdt_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_localdt_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_zone_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    return is_zone_name(el_get_field(expr, EL_STR("name")));
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_zone_call(expr);
  }
  return 0;
  return 0;
}

el_val_t is_instant_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Ident"))) {
    el_val_t name = el_get_field(expr, EL_STR("name"));
    return is_instant_name(name);
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_instant_call(expr);
  }
  if (str_eq(k, EL_STR("BinOp"))) {
    el_val_t op = el_get_field(expr, EL_STR("op"));
    if (str_eq(op, EL_STR("Plus"))) {
      if (is_instant_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_duration_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      if (is_duration_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_instant_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Minus"))) {
      if (is_instant_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_duration_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    return 0;
  }
  return 0;
  return 0;
}

el_val_t is_duration_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("DurationLit"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Ident"))) {
    el_val_t name = el_get_field(expr, EL_STR("name"));
    return is_duration_name(name);
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_duration_call(expr);
  }
  if (str_eq(k, EL_STR("Neg"))) {
    return is_duration_expr(el_get_field(expr, EL_STR("inner")));
  }
  if (str_eq(k, EL_STR("BinOp"))) {
    el_val_t op = el_get_field(expr, EL_STR("op"));
    if (str_eq(op, EL_STR("Plus"))) {
      if (is_duration_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_duration_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Minus"))) {
      if (is_duration_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_duration_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      if (is_instant_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_instant_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Star"))) {
      if (is_duration_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      if (is_int_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_duration_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Slash"))) {
      if (is_duration_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    return 0;
  }
  return 0;
  return 0;
}

el_val_t time_record_violation(el_val_t kind, el_val_t detail) {
  el_val_t csv = state_get(EL_STR("__time_violations"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t entry = el_str_concat(el_str_concat(kind, EL_STR(":")), detail);
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), entry), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__time_violations"), el_str_concat(el_str_concat(csv, entry), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t is_int_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Int"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Ident"))) {
    el_val_t name = el_get_field(expr, EL_STR("name"));
    return is_int_name(name);
  }
  if (str_eq(k, EL_STR("Call"))) {
    return is_int_call(expr);
  }
  if (str_eq(k, EL_STR("Neg"))) {
    return is_int_expr(el_get_field(expr, EL_STR("inner")));
  }
  if (str_eq(k, EL_STR("Not"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("BinOp"))) {
    el_val_t op = el_get_field(expr, EL_STR("op"));
    if (str_eq(op, EL_STR("EqEq"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("NotEq"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("Lt"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("Gt"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("LtEq"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("GtEq"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("And"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("Or"))) {
      return 1;
    }
    if (str_eq(op, EL_STR("Plus"))) {
      if (is_int_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Minus"))) {
      if (is_int_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Star"))) {
      if (is_int_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Slash"))) {
      if (is_int_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    if (str_eq(op, EL_STR("Percent"))) {
      if (is_int_expr(el_get_field(expr, EL_STR("left")))) {
        if (is_int_expr(el_get_field(expr, EL_STR("right")))) {
          return 1;
        }
      }
      return 0;
    }
    return 0;
  }
  return 0;
  return 0;
}

el_val_t is_float_expr(el_val_t expr) {
  el_val_t k = el_get_field(expr, EL_STR("expr"));
  if (str_eq(k, EL_STR("Float"))) {
    return 1;
  }
  if (str_eq(k, EL_STR("Neg"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    el_val_t ik = el_get_field(inner, EL_STR("expr"));
    if (str_eq(ik, EL_STR("Float"))) {
      return 1;
    }
  }
  return 0;
  return 0;
}

el_val_t cap_record_violation(el_val_t kind, el_val_t fn_name) {
  el_val_t csv = state_get(EL_STR("__cap_violations"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t entry = el_str_concat(el_str_concat(kind, EL_STR(":")), fn_name);
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), entry), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__cap_violations"), el_str_concat(el_str_concat(csv, entry), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t is_self_formation_call(el_val_t fn_name) {
  if (str_eq(fn_name, EL_STR("llm_call_agentic"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("llm_register_tool"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_emit"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_field"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_dharma_call(el_val_t fn_name) {
  if (str_eq(fn_name, EL_STR("dharma_connect"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_send"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_activate"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_emit"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_field"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_strengthen"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_relationship"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("dharma_peers"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_llm_call(el_val_t fn_name) {
  if (str_eq(fn_name, EL_STR("llm_call"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("llm_call_system"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("llm_call_agentic"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("llm_vision"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("llm_register_tool"))) {
    return 1;
  }
  if (str_eq(fn_name, EL_STR("llm_models"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t cap_check_call(el_val_t fn_name) {
  el_val_t kind = state_get(EL_STR("__program_kind"));
  if (str_eq(kind, EL_STR("cgi"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("service"))) {
    if (is_self_formation_call(fn_name)) {
      cap_record_violation(EL_STR("service"), fn_name);
      return 0;
    }
    return 1;
  }
  if (is_dharma_call(fn_name)) {
    cap_record_violation(EL_STR("utility"), fn_name);
    return 0;
  }
  if (is_llm_call(fn_name)) {
    cap_record_violation(EL_STR("utility"), fn_name);
    return 0;
  }
  return 1;
  return 0;
}

el_val_t emit_cap_violations(void) {
  el_val_t csv = state_get(EL_STR("__cap_violations"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  if (str_eq(csv, EL_STR(","))) {
    return 0;
  }
  el_val_t n = str_len(csv);
  el_val_t i = 1;
  while (i < n) {
    el_val_t next_comma = str_index_of(str_slice(csv, i, n), EL_STR(","));
    if (next_comma < 0) {
      return 0;
    }
    el_val_t entry = str_slice(csv, i, (i + next_comma));
    el_val_t colon = str_index_of(entry, EL_STR(":"));
    if (colon > 0) {
      el_val_t kind = str_slice(entry, 0, colon);
      el_val_t fn_name = str_slice(entry, (colon + 1), str_len(entry));
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("#error \"capability violation: '"), kind), EL_STR("' programs may not call '")), fn_name), EL_STR("' (self-formation primitive - only 'cgi' programs may use it)\"")));
    }
    i = ((i + next_comma) + 1);
  }
  return 0;
}

el_val_t emit_time_violations(void) {
  el_val_t csv = state_get(EL_STR("__time_violations"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  if (str_eq(csv, EL_STR(","))) {
    return 0;
  }
  el_val_t n = str_len(csv);
  el_val_t i = 1;
  while (i < n) {
    el_val_t next_comma = str_index_of(str_slice(csv, i, n), EL_STR(","));
    if (next_comma < 0) {
      return 0;
    }
    el_val_t entry = str_slice(csv, i, (i + next_comma));
    el_val_t colon = str_index_of(entry, EL_STR(":"));
    if (colon > 0) {
      el_val_t detail = str_slice(entry, (colon + 1), str_len(entry));
      emit_line(el_str_concat(el_str_concat(EL_STR("#error \"temporal type error: "), detail), EL_STR("\"")));
    }
    i = ((i + next_comma) + 1);
  }
  return 0;
}

el_val_t builtin_arity(el_val_t name) {
  if (str_eq(name, EL_STR("println"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("print"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("readline"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__read_n"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__print_raw"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_str_concat"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_eq"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_starts_with"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_ends_with"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_concat"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("int_to_str"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_to_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_slice"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("str_contains"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_replace"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("str_to_upper"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_to_lower"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_trim"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_index_of"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_split"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_char_at"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_char_code"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_pad_left"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("str_pad_right"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("str_format"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_lower"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_upper"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_count_chars"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_bytes"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_lines"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_words"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_letters"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_count_digits"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_index_of_all"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_last_index_of"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_find_chars"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_repeat"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_reverse"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_strip_prefix"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_strip_suffix"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_strip_chars"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_lstrip"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_rstrip"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_letter"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_digit"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_alphanumeric"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_whitespace"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_punctuation"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_uppercase"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("is_lowercase"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_split_lines"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_split_chars"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_split_n"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("str_join"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_html_sanitize"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_abs"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_max"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_min"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_list_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_list_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_list_append"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_list_empty"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("el_list_clone"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("list_push"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("list_push_front"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("list_join"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("list_range"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_get_field"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_map_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("el_map_set"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("http_get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("http_post"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("http_post_json"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("http_get_with_headers"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("http_post_with_headers"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("http_post_form_auth"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("http_serve"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("http_set_handler"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__str_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__str_char_at"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__str_alloc"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__str_set_char"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__str_cmp"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__str_ncmp"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__str_concat_raw"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__str_slice_raw"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__int_to_str"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__str_to_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__float_to_str"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__str_to_float"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__println"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__print"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__readline"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__fs_read"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__fs_write"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__fs_exists"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__fs_list_raw"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__fs_mkdir"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__fs_write_bytes"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__http_do"))) {
    return 5;
  }
  if (str_eq(name, EL_STR("__http_do_map"))) {
    return 5;
  }
  if (str_eq(name, EL_STR("__http_do_to_file"))) {
    return 5;
  }
  if (str_eq(name, EL_STR("__http_serve"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__http_serve_v2"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__http_response"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__thread_create"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__thread_join"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__mutex_new"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__mutex_lock"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__mutex_unlock"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__exec"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__exec_bg"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__env_get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__args_json"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__exit_program"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__time_now_ns"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__sleep_ms"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__uuid_v4"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__sqrt_f"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__log_f"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__ln_f"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__sin_f"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__cos_f"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__pi_f"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__state_set"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__state_get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__state_del"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__state_keys"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__html_sanitize"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__url_encode"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__url_decode"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__json_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__json_get_raw"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__json_parse_map"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__json_stringify_val"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__json_array_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__json_array_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__json_array_get_string"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__json_set"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__engram_node"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__engram_node_full"))) {
    return 8;
  }
  if (str_eq(name, EL_STR("__engram_get_node"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__engram_strengthen"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__engram_forget"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__engram_node_count"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__engram_search"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__engram_scan_nodes"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__engram_connect"))) {
    return 4;
  }
  if (str_eq(name, EL_STR("__engram_edge_between"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__engram_neighbors"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__engram_neighbors_filtered"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__engram_activate"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__engram_activate_json"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__engram_scan_nodes_json"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__generate"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("fs_read"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("fs_write"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("fs_list"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("json_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("json_parse"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("json_stringify"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("json_get_string"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("json_get_int"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("json_get_float"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("json_get_bool"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("json_get_raw"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("json_set"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("json_array_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_now"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("time_now_utc"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("sleep_secs"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("sleep_ms"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_format"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("time_to_parts"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_from_parts"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("time_add"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("time_diff"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("uuid_new"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("uuid_v4"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("env"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("state_set"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("state_get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("state_del"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("state_keys"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("float_to_str"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("int_to_float"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("float_to_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("format_float"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("decimal_round"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("str_to_float"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("math_sqrt"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("math_log"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("math_ln"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("math_sin"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("math_cos"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("math_pi"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("bool_to_str"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("exit_program"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("getpid_now"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("stdout_to_file"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("stdout_restore"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("exec_command"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("exec_capture"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("exec"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("exec_bg"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dharma_connect"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dharma_send"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("dharma_activate"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dharma_emit"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("dharma_field"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dharma_strengthen"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("dharma_relationship"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dharma_peers"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("engram_node"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("engram_node_full"))) {
    return 8;
  }
  if (str_eq(name, EL_STR("engram_get_node"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_strengthen"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_forget"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_node_count"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("engram_search"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_scan_nodes"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_connect"))) {
    return 4;
  }
  if (str_eq(name, EL_STR("engram_edge_between"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_neighbors"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_neighbors_filtered"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("engram_edge_count"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("engram_activate"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_save"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_load"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_get_node_json"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("engram_search_json"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_scan_nodes_json"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_neighbors_json"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("engram_activate_json"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("engram_stats_json"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("llm_call"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("llm_call_system"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("llm_call_agentic"))) {
    return 4;
  }
  if (str_eq(name, EL_STR("llm_vision"))) {
    return 4;
  }
  if (str_eq(name, EL_STR("llm_models"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("llm_register_tool"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("sha256_hex"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("sha256_bytes"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("hmac_sha256_hex"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("hmac_sha256_bytes"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("base64_encode"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("base64_decode"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("base64url_encode"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("base64url_decode"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("native_list_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("native_list_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("native_list_append"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("native_list_empty"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("native_list_clone"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("native_string_chars"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("native_int_to_str"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("append"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("map_get"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("map_set"))) {
    return 3;
  }
  if (str_eq(name, EL_STR("__thread_create"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__thread_join"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__mutex_new"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("__mutex_lock"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__mutex_unlock"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__channel_new"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__channel_send"))) {
    return 2;
  }
  if (str_eq(name, EL_STR("__channel_recv"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__channel_try_recv"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("__channel_close"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_arena_push"))) {
    return 0;
  }
  if (str_eq(name, EL_STR("el_arena_pop"))) {
    return 1;
  }
  return (-1);
  return 0;
}

el_val_t arity_record_violation(el_val_t fn_name, el_val_t expected, el_val_t actual) {
  el_val_t csv = state_get(EL_STR("__arity_violations"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t entry = el_str_concat(el_str_concat(el_str_concat(el_str_concat(fn_name, EL_STR("|")), native_int_to_str(expected)), EL_STR("|")), native_int_to_str(actual));
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), entry), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__arity_violations"), el_str_concat(el_str_concat(csv, entry), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t arity_check_call(el_val_t fn_name, el_val_t actual) {
  el_val_t expected = builtin_arity(fn_name);
  if (expected < 0) {
    return 1;
  }
  if (expected == actual) {
    return 1;
  }
  arity_record_violation(fn_name, expected, actual);
  return 1;
  return 0;
}

el_val_t emit_arity_violations(void) {
  el_val_t csv = state_get(EL_STR("__arity_violations"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  if (str_eq(csv, EL_STR(","))) {
    return 0;
  }
  el_val_t n = str_len(csv);
  el_val_t i = 1;
  while (i < n) {
    el_val_t next_comma = str_index_of(str_slice(csv, i, n), EL_STR(","));
    if (next_comma < 0) {
      return 0;
    }
    el_val_t entry = str_slice(csv, i, (i + next_comma));
    el_val_t p1 = str_index_of(entry, EL_STR("|"));
    if (p1 > 0) {
      el_val_t fn_name = str_slice(entry, 0, p1);
      el_val_t rest = str_slice(entry, (p1 + 1), str_len(entry));
      el_val_t p2 = str_index_of(rest, EL_STR("|"));
      if (p2 > 0) {
        el_val_t exp_s = str_slice(rest, 0, p2);
        el_val_t act_s = str_slice(rest, (p2 + 1), str_len(rest));
        emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("#error \"arity error: '"), fn_name), EL_STR("' takes ")), exp_s), EL_STR(" arguments, but called with ")), act_s), EL_STR("\"")));
      }
    }
    i = ((i + next_comma) + 1);
  }
  return 0;
}

el_val_t add_int_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__int_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__int_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_instant_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__instant_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__instant_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_duration_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__duration_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__duration_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_calendar_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__calendar_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__calendar_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_caltime_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__caltime_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__caltime_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_rhythm_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__rhythm_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__rhythm_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_localdate_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__localdate_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__localdate_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_localtime_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__localtime_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__localtime_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_localdt_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__localdt_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__localdt_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t add_zone_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__zone_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__zone_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t build_int_names_for_params(el_val_t params) {
  state_set(EL_STR("__int_names"), EL_STR(","));
  state_set(EL_STR("__instant_names"), EL_STR(","));
  state_set(EL_STR("__duration_names"), EL_STR(","));
  state_set(EL_STR("__calendar_names"), EL_STR(","));
  state_set(EL_STR("__caltime_names"), EL_STR(","));
  state_set(EL_STR("__rhythm_names"), EL_STR(","));
  state_set(EL_STR("__localdate_names"), EL_STR(","));
  state_set(EL_STR("__localtime_names"), EL_STR(","));
  state_set(EL_STR("__localdt_names"), EL_STR(","));
  state_set(EL_STR("__zone_names"), EL_STR(","));
  el_val_t np = native_list_len(params);
  el_val_t pi = 0;
  while (pi < np) {
    el_val_t param = native_list_get(params, pi);
    el_val_t pname = el_get_field(param, EL_STR("name"));
    el_val_t ptype = el_get_field(param, EL_STR("type"));
    if (str_eq(ptype, EL_STR("Int"))) {
      add_int_name(pname);
    }
    if (str_eq(ptype, EL_STR("Instant"))) {
      add_instant_name(pname);
    }
    if (str_eq(ptype, EL_STR("Duration"))) {
      add_duration_name(pname);
    }
    if (str_eq(ptype, EL_STR("Calendar"))) {
      add_calendar_name(pname);
    }
    if (str_eq(ptype, EL_STR("CalendarTime"))) {
      add_caltime_name(pname);
    }
    if (str_eq(ptype, EL_STR("Rhythm"))) {
      add_rhythm_name(pname);
    }
    if (str_eq(ptype, EL_STR("LocalDate"))) {
      add_localdate_name(pname);
    }
    if (str_eq(ptype, EL_STR("LocalTime"))) {
      add_localtime_name(pname);
    }
    if (str_eq(ptype, EL_STR("LocalDateTime"))) {
      add_localdt_name(pname);
    }
    if (str_eq(ptype, EL_STR("Zone"))) {
      add_zone_name(pname);
    }
    pi = (pi + 1);
  }
  return 1;
  return 0;
}

el_val_t cg_fn(el_val_t stmt) {
  el_val_t fn_name = el_get_field(stmt, EL_STR("name"));
  if (str_eq(fn_name, EL_STR("main"))) {
    return 0;
  }
  el_val_t params = el_get_field(stmt, EL_STR("params"));
  el_val_t body = el_get_field(stmt, EL_STR("body"));
  el_val_t ret_type = el_get_field(stmt, EL_STR("ret_type"));
  el_val_t params_c = params_to_c(params);
  el_val_t decorator = el_get_field(stmt, EL_STR("decorator"));
  if (vbd_has_restricted_call(body)) {
    if (!str_eq(decorator, EL_STR("manager"))) {
      emit_line(el_str_concat(el_str_concat(EL_STR("#error \"VBD violation: dharma_emit/dharma_field called from non-@manager fn '"), fn_name), EL_STR("'\"")));
    }
  }
  build_int_names_for_params(params);
  emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_val_t "), fn_name), EL_STR("(")), params_c), EL_STR(") {")));
  el_val_t decl = native_list_empty();
  el_val_t np = native_list_len(params);
  el_val_t pi = 0;
  while (pi < np) {
    el_val_t param = native_list_get(params, pi);
    el_val_t pname = el_get_field(param, EL_STR("name"));
    decl = native_list_append(decl, pname);
    pi = (pi + 1);
  }
  el_val_t body_xformed = body;
  if (!str_eq(ret_type, EL_STR("Void"))) {
    body_xformed = transform_implicit_return(body);
  }
  el_val_t final_decl = cg_stmts(body_xformed, EL_STR("  "), decl);
  el_release(final_decl);
  emit_line(EL_STR("  return 0;"));
  emit_line(EL_STR("}"));
  emit_blank();
  return 0;
}

el_val_t is_fndef(el_val_t stmt) {
  el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(kind, EL_STR("FnDef"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t is_top_level_decl(el_val_t stmt) {
  el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(kind, EL_STR("TypeDef"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("EnumDef"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Import"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("CgiBlock"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("ExternFn"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t cgi_arg(el_val_t value, el_val_t has_value) {
  if (has_value) {
    return el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(value)), EL_STR(")"));
  }
  return EL_STR("EL_NULL");
  return 0;
}

el_val_t vbd_is_restricted_name(el_val_t name) {
  if (str_eq(name, EL_STR("dharma_emit"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("dharma_field"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t vbd_expr_has_restricted_call(el_val_t expr) {
  el_val_t kind = el_get_field(expr, EL_STR("expr"));
  if (str_eq(kind, EL_STR("Call"))) {
    el_val_t func = el_get_field(expr, EL_STR("func"));
    el_val_t fk = el_get_field(func, EL_STR("expr"));
    if (str_eq(fk, EL_STR("Ident"))) {
      el_val_t fname = el_get_field(func, EL_STR("name"));
      if (vbd_is_restricted_name(fname)) {
        return 1;
      }
    }
    if (vbd_expr_has_restricted_call(func)) {
      return 1;
    }
    el_val_t args = el_get_field(expr, EL_STR("args"));
    el_val_t an = native_list_len(args);
    el_val_t ai = 0;
    while (ai < an) {
      el_val_t a = native_list_get(args, ai);
      if (vbd_expr_has_restricted_call(a)) {
        return 1;
      }
      ai = (ai + 1);
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("BinOp"))) {
    el_val_t l = el_get_field(expr, EL_STR("left"));
    el_val_t r = el_get_field(expr, EL_STR("right"));
    if (vbd_expr_has_restricted_call(l)) {
      return 1;
    }
    if (vbd_expr_has_restricted_call(r)) {
      return 1;
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("Not"))) {
    return vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("inner")));
  }
  if (str_eq(kind, EL_STR("Neg"))) {
    return vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("inner")));
  }
  if (str_eq(kind, EL_STR("Field"))) {
    return vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("object")));
  }
  if (str_eq(kind, EL_STR("Index"))) {
    if (vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("object")))) {
      return 1;
    }
    if (vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("index")))) {
      return 1;
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("Try"))) {
    return vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("inner")));
  }
  if (str_eq(kind, EL_STR("Array"))) {
    el_val_t elems = el_get_field(expr, EL_STR("elems"));
    el_val_t n = native_list_len(elems);
    el_val_t i = 0;
    while (i < n) {
      el_val_t e = native_list_get(elems, i);
      if (vbd_expr_has_restricted_call(e)) {
        return 1;
      }
      i = (i + 1);
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("Map"))) {
    el_val_t pairs = el_get_field(expr, EL_STR("pairs"));
    el_val_t n = native_list_len(pairs);
    el_val_t i = 0;
    while (i < n) {
      el_val_t pair = native_list_get(pairs, i);
      el_val_t v = el_get_field(pair, EL_STR("value"));
      if (vbd_expr_has_restricted_call(v)) {
        return 1;
      }
      i = (i + 1);
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("If"))) {
    if (vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("cond")))) {
      return 1;
    }
    if (vbd_has_restricted_call(el_get_field(expr, EL_STR("then")))) {
      return 1;
    }
    if (vbd_has_restricted_call(el_get_field(expr, EL_STR("else")))) {
      return 1;
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("For"))) {
    if (vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("list")))) {
      return 1;
    }
    if (vbd_has_restricted_call(el_get_field(expr, EL_STR("body")))) {
      return 1;
    }
    return 0;
  }
  if (str_eq(kind, EL_STR("Match"))) {
    if (vbd_expr_has_restricted_call(el_get_field(expr, EL_STR("subject")))) {
      return 1;
    }
    el_val_t arms = el_get_field(expr, EL_STR("arms"));
    el_val_t n = native_list_len(arms);
    el_val_t i = 0;
    while (i < n) {
      el_val_t arm = native_list_get(arms, i);
      el_val_t body = el_get_field(arm, EL_STR("body"));
      if (vbd_expr_has_restricted_call(body)) {
        return 1;
      }
      i = (i + 1);
    }
    return 0;
  }
  return 0;
  return 0;
}

el_val_t vbd_has_restricted_call(el_val_t stmts) {
  el_val_t n = native_list_len(stmts);
  el_val_t i = 0;
  while (i < n) {
    el_val_t s = native_list_get(stmts, i);
    el_val_t sk = el_get_field(s, EL_STR("stmt"));
    if (str_eq(sk, EL_STR("Let"))) {
      if (vbd_expr_has_restricted_call(el_get_field(s, EL_STR("value")))) {
        return 1;
      }
    }
    if (str_eq(sk, EL_STR("Return"))) {
      if (vbd_expr_has_restricted_call(el_get_field(s, EL_STR("value")))) {
        return 1;
      }
    }
    if (str_eq(sk, EL_STR("Expr"))) {
      if (vbd_expr_has_restricted_call(el_get_field(s, EL_STR("value")))) {
        return 1;
      }
    }
    if (str_eq(sk, EL_STR("While"))) {
      if (vbd_expr_has_restricted_call(el_get_field(s, EL_STR("cond")))) {
        return 1;
      }
      if (vbd_has_restricted_call(el_get_field(s, EL_STR("body")))) {
        return 1;
      }
    }
    if (str_eq(sk, EL_STR("For"))) {
      if (vbd_expr_has_restricted_call(el_get_field(s, EL_STR("list")))) {
        return 1;
      }
      if (vbd_has_restricted_call(el_get_field(s, EL_STR("body")))) {
        return 1;
      }
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t codegen(el_val_t stmts, el_val_t source) {
  el_val_t n_top = native_list_len(stmts);
  el_val_t cgi_count = 0;
  el_val_t cgi_block = el_map_new(1, "stmt", EL_STR("None"));
  el_val_t svc_count = 0;
  el_val_t svc_block = el_map_new(1, "stmt", EL_STR("None"));
  el_val_t ti = 0;
  while (ti < n_top) {
    el_val_t s = native_list_get(stmts, ti);
    el_val_t sk = el_get_field(s, EL_STR("stmt"));
    if (str_eq(sk, EL_STR("CgiBlock"))) {
      cgi_count = (cgi_count + 1);
      if (cgi_count == 1) {
        cgi_block = s;
      }
    }
    if (str_eq(sk, EL_STR("ServiceBlock"))) {
      svc_count = (svc_count + 1);
      if (svc_count == 1) {
        svc_block = s;
      }
    }
    ti = (ti + 1);
  }
  if (cgi_count > 1) {
    emit_line(EL_STR("#error \"El: multiple cgi blocks in program (only one allowed)\""));
  }
  if (svc_count > 1) {
    emit_line(EL_STR("#error \"El: multiple service blocks in program (only one allowed)\""));
  }
  if (cgi_count >= 1) {
    if (svc_count >= 1) {
      emit_line(EL_STR("#error \"El: program declares both cgi and service blocks (mutually exclusive - pick one)\""));
    }
  }
  el_val_t kind = EL_STR("utility");
  if (cgi_count >= 1) {
    kind = EL_STR("cgi");
  }
  if (svc_count >= 1) {
    kind = EL_STR("service");
  }
  state_set(EL_STR("__program_kind"), kind);
  state_set(EL_STR("__cap_violations"), EL_STR(""));
  state_set(EL_STR("__arity_violations"), EL_STR(""));
  state_set(EL_STR("__time_violations"), EL_STR(""));
  emit_line(EL_STR("#include <stdint.h>"));
  emit_line(EL_STR("#include <stdlib.h>"));
  emit_line(EL_STR("#include \"el_runtime.h\""));
  el_val_t imp_n = native_list_len(stmts);
  el_val_t imp_i = 0;
  while (imp_i < imp_n) {
    el_val_t imp_stmt = native_list_get(stmts, imp_i);
    el_val_t imp_kind = el_get_field(imp_stmt, EL_STR("stmt"));
    if (str_eq(imp_kind, EL_STR("Import"))) {
      el_val_t imp_path = el_get_field(imp_stmt, EL_STR("path"));
      el_val_t imp_path_len = str_len(imp_path);
      el_val_t imp_last_slash = (-1);
      el_val_t imp_j = 0;
      while (imp_j < imp_path_len) {
        el_val_t imp_c = str_slice(imp_path, imp_j, (imp_j + 1));
        if (str_eq(imp_c, EL_STR("/"))) {
          imp_last_slash = imp_j;
        }
        imp_j = (imp_j + 1);
      }
      el_val_t imp_base = str_slice(imp_path, (imp_last_slash + 1), imp_path_len);
      el_val_t imp_base_len = str_len(imp_base);
      el_val_t imp_bname = imp_base;
      if (str_ends_with(imp_base, EL_STR(".el"))) {
        imp_bname = str_slice(imp_base, 0, (imp_base_len - 3));
      }
      emit_line(el_str_concat(el_str_concat(EL_STR("#include \""), imp_bname), EL_STR(".elh\"")));
    }
    imp_i = (imp_i + 1);
  }
  emit_blank();
  el_val_t n = native_list_len(stmts);
  el_val_t i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    kind = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(kind, EL_STR("FnDef"))) {
      el_val_t fn_name = el_get_field(stmt, EL_STR("name"));
      if (!str_eq(fn_name, EL_STR("main"))) {
        el_val_t params = el_get_field(stmt, EL_STR("params"));
        el_val_t params_c = params_to_c(params);
        emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_val_t "), fn_name), EL_STR("(")), params_c), EL_STR(");")));
      }
    }
    if (str_eq(kind, EL_STR("ExternFn"))) {
      el_val_t fn_name = el_get_field(stmt, EL_STR("name"));
      el_val_t params = el_get_field(stmt, EL_STR("params"));
      el_val_t params_c = params_to_c(params);
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_val_t "), fn_name), EL_STR("(")), params_c), EL_STR(");")));
    }
    i = (i + 1);
  }
  emit_blank();
  el_val_t has_toplevel_lets = 0;
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    kind = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(kind, EL_STR("Let"))) {
      el_val_t name = el_get_field(stmt, EL_STR("name"));
      el_val_t ltype = el_get_field(stmt, EL_STR("type"));
      if (str_eq(ltype, EL_STR("Int"))) {
        add_int_name(name);
      }
      el_val_t val = el_get_field(stmt, EL_STR("value"));
      el_val_t vk = el_get_field(val, EL_STR("expr"));
      if (str_eq(vk, EL_STR("Int"))) {
        add_int_name(name);
      }
      emit_line(el_str_concat(el_str_concat(EL_STR("el_val_t "), name), EL_STR(";")));
      has_toplevel_lets = 1;
    }
    i = (i + 1);
  }
  if (has_toplevel_lets) {
    emit_blank();
  }
  el_val_t has_el_main = 0;
  el_val_t has_toplevel_stmts = 0;
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    el_val_t sk = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(sk, EL_STR("FnDef"))) {
      el_val_t fn_name_chk = el_get_field(stmt, EL_STR("name"));
      if (str_eq(fn_name_chk, EL_STR("main"))) {
        has_el_main = 1;
      }
    }
    if (!is_fndef(stmt)) {
      if (!is_top_level_decl(stmt)) {
        if (!str_eq(sk, EL_STR("Let"))) {
          has_toplevel_stmts = 1;
        }
      }
    }
    i = (i + 1);
  }
  el_val_t is_library = 0;
  if (!has_el_main) {
    if (!has_toplevel_stmts) {
      is_library = 1;
    }
  }
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    if (is_fndef(stmt)) {
      cg_fn(stmt);
    }
    i = (i + 1);
  }
  if (is_library) {
    return EL_STR("");
  }
  emit_line(EL_STR("int main(int _argc, char** _argv) {"));
  emit_line(EL_STR("  el_runtime_init_args(_argc, _argv);"));
  if (cgi_count >= 1) {
    el_val_t cname = el_get_field(cgi_block, EL_STR("name"));
    el_val_t cdid = el_get_field(cgi_block, EL_STR("dharma_id"));
    el_val_t cprin = el_get_field(cgi_block, EL_STR("principal"));
    el_val_t cnet = el_get_field(cgi_block, EL_STR("network"));
    el_val_t ceng = el_get_field(cgi_block, EL_STR("engram"));
    el_val_t has_did = el_get_field(cgi_block, EL_STR("has_dharma_id"));
    el_val_t has_prin = el_get_field(cgi_block, EL_STR("has_principal"));
    el_val_t has_net = el_get_field(cgi_block, EL_STR("has_network"));
    el_val_t has_eng = el_get_field(cgi_block, EL_STR("has_engram"));
    el_val_t arg_name = el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(cname)), EL_STR(")"));
    el_val_t arg_did = cgi_arg(cdid, has_did);
    el_val_t arg_prin = cgi_arg(cprin, has_prin);
    el_val_t arg_net = cgi_arg(cnet, has_net);
    el_val_t arg_eng = cgi_arg(ceng, has_eng);
    emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("  el_cgi_init("), arg_name), EL_STR(", ")), arg_did), EL_STR(", ")), arg_prin), EL_STR(", ")), arg_net), EL_STR(", ")), arg_eng), EL_STR(");")));
  }
  el_val_t main_decl = native_list_empty();
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    kind = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(kind, EL_STR("Let"))) {
      el_val_t name = el_get_field(stmt, EL_STR("name"));
      main_decl = native_list_append(main_decl, name);
    }
    i = (i + 1);
  }
  el_val_t el_main_body = native_list_empty();
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    if (is_fndef(stmt)) {
      el_val_t fn_name = el_get_field(stmt, EL_STR("name"));
      if (str_eq(fn_name, EL_STR("main"))) {
        el_val_t body = el_get_field(stmt, EL_STR("body"));
        el_val_t bn = native_list_len(body);
        el_val_t bi = 0;
        while (bi < bn) {
          el_main_body = native_list_append(el_main_body, native_list_get(body, bi));
          bi = (bi + 1);
        }
      }
    }
    i = (i + 1);
  }
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    if (is_fndef(stmt)) {
    } else {
      if (is_top_level_decl(stmt)) {
      } else {
        main_decl = cg_stmt(stmt, EL_STR("  "), main_decl);
      }
    }
    el_release(stmt);
    i = (i + 1);
  }
  el_val_t mn = native_list_len(el_main_body);
  el_val_t mi = 0;
  while (mi < mn) {
    el_val_t mstmt = native_list_get(el_main_body, mi);
    main_decl = cg_stmt(mstmt, EL_STR("  "), main_decl);
    mi = (mi + 1);
  }
  emit_line(EL_STR("  return 0;"));
  emit_line(EL_STR("}"));
  emit_blank();
  emit_cap_violations();
  emit_arity_violations();
  emit_time_violations();
  return EL_STR("");
  return 0;
}

el_val_t cg_decl_streaming(el_val_t stmt) {
  el_val_t sk = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(sk, EL_STR("FnDef"))) {
    cg_fn(stmt);
    return 0;
  }
  if (!str_eq(sk, EL_STR("FnDef"))) {
    if (!is_top_level_decl(stmt)) {
      if (!str_eq(sk, EL_STR("Let"))) {
        state_set(EL_STR("__streaming_has_toplevel_stmts"), EL_STR("1"));
      }
    }
  }
  return 0;
}

el_val_t emit_streaming_preamble(el_val_t sigs, el_val_t source) {
  el_val_t n = native_list_len(sigs);
  el_val_t cgi_count = 0;
  el_val_t svc_count = 0;
  el_val_t i = 0;
  while (i < n) {
    el_val_t sig = native_list_get(sigs, i);
    el_val_t sk = el_get_field(sig, EL_STR("kind"));
    if (str_eq(sk, EL_STR("cgi_block"))) {
      cgi_count = (cgi_count + 1);
    }
    if (str_eq(sk, EL_STR("service_block"))) {
      svc_count = (svc_count + 1);
    }
    i = (i + 1);
  }
  if (cgi_count > 1) {
    emit_line(EL_STR("#error \"El: multiple cgi blocks in program (only one allowed)\""));
  }
  if (svc_count > 1) {
    emit_line(EL_STR("#error \"El: multiple service blocks in program (only one allowed)\""));
  }
  if (cgi_count >= 1) {
    if (svc_count >= 1) {
      emit_line(EL_STR("#error \"El: program declares both cgi and service blocks (mutually exclusive - pick one)\""));
    }
  }
  el_val_t kind = EL_STR("utility");
  if (cgi_count >= 1) {
    kind = EL_STR("cgi");
  }
  if (svc_count >= 1) {
    kind = EL_STR("service");
  }
  state_set(EL_STR("__program_kind"), kind);
  state_set(EL_STR("__cap_violations"), EL_STR(""));
  state_set(EL_STR("__arity_violations"), EL_STR(""));
  state_set(EL_STR("__time_violations"), EL_STR(""));
  emit_line(EL_STR("#include <stdint.h>"));
  emit_line(EL_STR("#include <stdlib.h>"));
  emit_line(EL_STR("#include \"el_runtime.h\""));
  emit_blank();
  i = 0;
  while (i < n) {
    el_val_t sig = native_list_get(sigs, i);
    el_val_t sk = el_get_field(sig, EL_STR("kind"));
    if (str_eq(sk, EL_STR("fn"))) {
      el_val_t fn_name = el_get_field(sig, EL_STR("name"));
      if (!str_eq(fn_name, EL_STR("main"))) {
        el_val_t params_c = el_get_field(sig, EL_STR("params_c"));
        emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_val_t "), fn_name), EL_STR("(")), params_c), EL_STR(");")));
      }
    }
    if (str_eq(sk, EL_STR("extern_fn"))) {
      el_val_t fn_name = el_get_field(sig, EL_STR("name"));
      el_val_t params_c = el_get_field(sig, EL_STR("params_c"));
      emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_val_t "), fn_name), EL_STR("(")), params_c), EL_STR(");")));
    }
    i = (i + 1);
  }
  emit_blank();
  el_val_t has_toplevel_lets = 0;
  i = 0;
  while (i < n) {
    el_val_t sig = native_list_get(sigs, i);
    el_val_t sk = el_get_field(sig, EL_STR("kind"));
    if (str_eq(sk, EL_STR("toplevel_let"))) {
      el_val_t name = el_get_field(sig, EL_STR("name"));
      el_val_t ltype = el_get_field(sig, EL_STR("ltype"));
      if (str_eq(ltype, EL_STR("Int"))) {
        add_int_name(name);
      }
      emit_line(el_str_concat(el_str_concat(EL_STR("el_val_t "), name), EL_STR(";")));
      has_toplevel_lets = 1;
    }
    i = (i + 1);
  }
  if (has_toplevel_lets) {
    emit_blank();
  }
  return 0;
}

el_val_t codegen_streaming(el_val_t tokens, el_val_t sigs, el_val_t source) {
  el_val_t total_tokens = (native_list_len(tokens) / 2);
  el_val_t preamble_mark = el_arena_push();
  emit_streaming_preamble(sigs, source);
  el_arena_pop(preamble_mark);
  el_val_t has_el_main = 0;
  el_val_t ns = native_list_len(sigs);
  el_val_t si = 0;
  while (si < ns) {
    el_val_t sig = native_list_get(sigs, si);
    el_val_t sk2 = el_get_field(sig, EL_STR("kind"));
    if (str_eq(sk2, EL_STR("fn"))) {
      el_val_t fn_name_chk = el_get_field(sig, EL_STR("name"));
      if (str_eq(fn_name_chk, EL_STR("main"))) {
        has_el_main = 1;
      }
    }
    si = (si + 1);
  }
  el_val_t toplevel_let_names = native_list_empty();
  si = 0;
  while (si < ns) {
    el_val_t sig = native_list_get(sigs, si);
    el_val_t sk2 = el_get_field(sig, EL_STR("kind"));
    if (str_eq(sk2, EL_STR("toplevel_let"))) {
      el_val_t tname = el_get_field(sig, EL_STR("name"));
      toplevel_let_names = native_list_append(toplevel_let_names, tname);
    }
    si = (si + 1);
  }
  el_val_t test_is_mode = 0;
  el_val_t tmode_str = state_get(EL_STR("__test_mode"));
  if (str_eq(tmode_str, EL_STR("1"))) {
    test_is_mode = 1;
  }
  el_val_t test_names = native_list_empty();
  el_val_t test_c_names = native_list_empty();
  if (test_is_mode) {
    emit_line(EL_STR("#include <stdio.h>"));
    emit_blank();
    emit_line(EL_STR("static int __el_pass = 0, __el_fail = 0;"));
    emit_line(EL_STR("static const char *__el_cur_test = \"(none)\";"));
    emit_line(EL_STR("static void __el_test_fail(const char *test, const char *msg) {"));
    emit_line(EL_STR("  fprintf(stderr, \"FAIL  %-40s %s\\n\", test, msg);"));
    emit_line(EL_STR("}"));
    emit_blank();
  }
  el_val_t pos = 0;
  el_val_t el_main_body = native_list_empty();
  el_val_t toplevel_exec_stmts = native_list_empty();
  el_val_t has_toplevel_exec = 0;
  el_val_t stream_running = 1;
  while (stream_running) {
    if (pos >= total_tokens) {
      stream_running = 0;
    } else {
      el_val_t k = tok_kind(tokens, pos);
      if (str_eq(k, EL_STR("Eof"))) {
        stream_running = 0;
      } else {
        if (str_eq(k, EL_STR("Test"))) {
          if (test_is_mode) {
            el_val_t p = (pos + 1);
            el_val_t test_name = EL_STR("unnamed");
            if (str_eq(tok_kind(tokens, p), EL_STR("Str"))) {
              test_name = tok_value(tokens, p);
              p = (p + 1);
            }
            el_val_t fn_c_name = el_str_concat(EL_STR("__el_test_"), sanitize_test_name(test_name));
            test_names = native_list_append(test_names, test_name);
            test_c_names = native_list_append(test_c_names, fn_c_name);
            emit_line(el_str_concat(el_str_concat(EL_STR("static void "), fn_c_name), EL_STR("(void) {")));
            emit_line(el_str_concat(el_str_concat(EL_STR("  __el_cur_test = \""), c_escape(test_name)), EL_STR("\";")));
            if (str_eq(tok_kind(tokens, p), EL_STR("LBrace"))) {
              p = (p + 1);
            }
            el_val_t body_decl = native_list_empty();
            el_val_t body_done = 0;
            while (!body_done) {
              el_val_t bk = tok_kind(tokens, p);
              if (str_eq(bk, EL_STR("RBrace"))) {
                body_done = 1;
              } else {
                if (str_eq(bk, EL_STR("Eof"))) {
                  body_done = 1;
                } else {
                  el_val_t br = parse_one(tokens, p);
                  el_val_t bstmt = el_get_field(br, EL_STR("node"));
                  el_val_t np = el_get_field(br, EL_STR("pos"));
                  el_release(br);
                  if (np > p) {
                    el_val_t body_arena = el_arena_push();
                    body_decl = cg_stmt(bstmt, EL_STR("  "), body_decl);
                    el_arena_pop(body_arena);
                    el_release(bstmt);
                    p = np;
                  } else {
                    p = (p + 1);
                  }
                }
              }
            }
            if (str_eq(tok_kind(tokens, p), EL_STR("RBrace"))) {
              p = (p + 1);
            }
            el_release(body_decl);
            emit_line(EL_STR("}"));
            emit_blank();
            pos = p;
          } else {
            el_val_t p = (pos + 1);
            el_val_t k_name = tok_kind(tokens, p);
            if (str_eq(k_name, EL_STR("Str"))) {
              p = (p + 1);
            }
            el_val_t k_body = tok_kind(tokens, p);
            if (str_eq(k_body, EL_STR("LBrace"))) {
              p = skip_to_rbrace(tokens, p);
            }
            pos = p;
          }
        } else {
          el_val_t r = parse_one(tokens, pos);
          el_val_t stmt = el_get_field(r, EL_STR("node"));
          el_val_t new_pos = el_get_field(r, EL_STR("pos"));
          el_release(r);
          if (new_pos <= pos) {
            el_release(stmt);
            pos = (pos + 1);
          } else {
            el_val_t sk = el_get_field(stmt, EL_STR("stmt"));
            if (str_eq(sk, EL_STR("FnDef"))) {
              el_val_t fn_name2 = el_get_field(stmt, EL_STR("name"));
              if (str_eq(fn_name2, EL_STR("main"))) {
                el_val_t body = el_get_field(stmt, EL_STR("body"));
                el_val_t bn = native_list_len(body);
                el_val_t bi = 0;
                while (bi < bn) {
                  el_main_body = native_list_append(el_main_body, native_list_get(body, bi));
                  bi = (bi + 1);
                }
                el_release(stmt);
              } else {
                el_val_t fn_arena_mark = el_arena_push();
                cg_fn(stmt);
                el_release(stmt);
                el_arena_pop(fn_arena_mark);
              }
            } else {
              if (is_top_level_decl(stmt)) {
                el_release(stmt);
              } else {
                if (str_eq(sk, EL_STR("Let"))) {
                  toplevel_exec_stmts = native_list_append(toplevel_exec_stmts, stmt);
                  has_toplevel_exec = 1;
                } else {
                  toplevel_exec_stmts = native_list_append(toplevel_exec_stmts, stmt);
                  has_toplevel_exec = 1;
                }
              }
            }
            pos = new_pos;
          }
        }
      }
    }
  }
  el_release(tokens);
  if (test_is_mode) {
    el_release(el_main_body);
    el_release(toplevel_exec_stmts);
    el_release(toplevel_let_names);
    el_release(sigs);
    el_val_t test_arena_mark = el_arena_push();
    emit_line(EL_STR("int main(int _argc, char **_argv) {"));
    emit_line(EL_STR("  el_runtime_init_args(_argc, _argv);"));
    el_val_t ti = 0;
    el_val_t tn = native_list_len(test_c_names);
    while (ti < tn) {
      el_val_t tc_name = native_list_get(test_c_names, ti);
      emit_line(el_str_concat(el_str_concat(EL_STR("  "), tc_name), EL_STR("();")));
      ti = (ti + 1);
    }
    emit_line(EL_STR("  printf(\"%d passed, %d failed\\n\", __el_pass, __el_fail);"));
    emit_line(EL_STR("  return __el_fail;"));
    emit_line(EL_STR("}"));
    el_arena_pop(test_arena_mark);
    el_release(test_names);
    el_release(test_c_names);
    return EL_STR("");
  }
  el_release(test_names);
  el_release(test_c_names);
  el_val_t is_library = 0;
  if (!has_el_main) {
    if (!has_toplevel_exec) {
      is_library = 1;
    }
  }
  if (is_library) {
    return EL_STR("");
  }
  el_val_t main_arena_mark = el_arena_push();
  el_val_t kind2 = state_get(EL_STR("__program_kind"));
  emit_line(EL_STR("int main(int _argc, char** _argv) {"));
  emit_line(EL_STR("  el_runtime_init_args(_argc, _argv);"));
  el_val_t ns2 = native_list_len(sigs);
  el_val_t si2 = 0;
  while (si2 < ns2) {
    el_val_t sig2 = native_list_get(sigs, si2);
    el_val_t sk3 = el_get_field(sig2, EL_STR("kind"));
    if (str_eq(sk3, EL_STR("cgi_block"))) {
      el_val_t tes_n = native_list_len(toplevel_exec_stmts);
      el_val_t tes_i = 0;
      while (tes_i < tes_n) {
        el_val_t tes = native_list_get(toplevel_exec_stmts, tes_i);
        el_val_t tes_k = el_get_field(tes, EL_STR("stmt"));
        if (str_eq(tes_k, EL_STR("CgiBlock"))) {
          el_val_t cname2 = el_get_field(tes, EL_STR("name"));
          el_val_t cdid2 = el_get_field(tes, EL_STR("dharma_id"));
          el_val_t cprin2 = el_get_field(tes, EL_STR("principal"));
          el_val_t cnet2 = el_get_field(tes, EL_STR("network"));
          el_val_t ceng2 = el_get_field(tes, EL_STR("engram"));
          el_val_t has_did2 = el_get_field(tes, EL_STR("has_dharma_id"));
          el_val_t has_prin2 = el_get_field(tes, EL_STR("has_principal"));
          el_val_t has_net2 = el_get_field(tes, EL_STR("has_network"));
          el_val_t has_eng2 = el_get_field(tes, EL_STR("has_engram"));
          el_val_t arg_name2 = el_str_concat(el_str_concat(EL_STR("EL_STR("), c_str_lit(cname2)), EL_STR(")"));
          el_val_t arg_did2 = cgi_arg(cdid2, has_did2);
          el_val_t arg_prin2 = cgi_arg(cprin2, has_prin2);
          el_val_t arg_net2 = cgi_arg(cnet2, has_net2);
          el_val_t arg_eng2 = cgi_arg(ceng2, has_eng2);
          emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("  el_cgi_init("), arg_name2), EL_STR(", ")), arg_did2), EL_STR(", ")), arg_prin2), EL_STR(", ")), arg_net2), EL_STR(", ")), arg_eng2), EL_STR(");")));
        }
        tes_i = (tes_i + 1);
      }
    }
    si2 = (si2 + 1);
  }
  el_release(sigs);
  el_val_t main_decl2 = native_list_empty();
  el_val_t tln = native_list_len(toplevel_let_names);
  el_val_t tli = 0;
  while (tli < tln) {
    main_decl2 = native_list_append(main_decl2, native_list_get(toplevel_let_names, tli));
    tli = (tli + 1);
  }
  el_release(toplevel_let_names);
  el_val_t tes_n2 = native_list_len(toplevel_exec_stmts);
  el_val_t tes_i2 = 0;
  while (tes_i2 < tes_n2) {
    el_val_t tes2 = native_list_get(toplevel_exec_stmts, tes_i2);
    el_val_t tes_k2 = el_get_field(tes2, EL_STR("stmt"));
    if (!str_eq(tes_k2, EL_STR("CgiBlock"))) {
      if (!str_eq(tes_k2, EL_STR("ServiceBlock"))) {
        el_val_t tes_mark = el_arena_push();
        main_decl2 = cg_stmt(tes2, EL_STR("  "), main_decl2);
        el_arena_pop(tes_mark);
      }
    }
    tes_i2 = (tes_i2 + 1);
  }
  el_release(toplevel_exec_stmts);
  el_val_t mn = native_list_len(el_main_body);
  el_val_t mi = 0;
  while (mi < mn) {
    el_val_t mstmt = native_list_get(el_main_body, mi);
    el_val_t stmt_mark = el_arena_push();
    main_decl2 = cg_stmt(mstmt, EL_STR("  "), main_decl2);
    el_arena_pop(stmt_mark);
    mi = (mi + 1);
  }
  el_release(el_main_body);
  el_release(main_decl2);
  emit_line(EL_STR("  return 0;"));
  emit_line(EL_STR("}"));
  emit_blank();
  emit_cap_violations();
  emit_arity_violations();
  emit_time_violations();
  el_arena_pop(main_arena_mark);
  return EL_STR("");
  return 0;
}

el_val_t js_escape(el_val_t s) {
  el_val_t chars = native_string_chars(s);
  el_val_t total = native_list_len(chars);
  el_val_t parts = native_list_empty();
  el_val_t i = 0;
  while (i < total) {
    el_val_t ch = native_list_get(chars, i);
    if (str_eq(ch, EL_STR("\""))) {
      parts = native_list_append(parts, EL_STR("\\\""));
    } else {
      if (str_eq(ch, EL_STR("\\"))) {
        parts = native_list_append(parts, EL_STR("\\\\"));
      } else {
        if (str_eq(ch, EL_STR("\n"))) {
          parts = native_list_append(parts, EL_STR("\\n"));
        } else {
          if (str_eq(ch, EL_STR("\r"))) {
            parts = native_list_append(parts, EL_STR("\\r"));
          } else {
            if (str_eq(ch, EL_STR("\t"))) {
              parts = native_list_append(parts, EL_STR("\\t"));
            } else {
              parts = native_list_append(parts, ch);
            }
          }
        }
      }
    }
    i = (i + 1);
  }
  return str_join(parts, EL_STR(""));
  return 0;
}

el_val_t js_str_lit(el_val_t s) {
  return el_str_concat(el_str_concat(EL_STR("\""), js_escape(s)), EL_STR("\""));
  return 0;
}

el_val_t js_emit_line(el_val_t line) {
  println(line);
  return 0;
}

el_val_t js_emit_blank(void) {
  println(EL_STR(""));
  return 0;
}

el_val_t js_binop(el_val_t op) {
  if (str_eq(op, EL_STR("Plus"))) {
    return EL_STR("+");
  }
  if (str_eq(op, EL_STR("Minus"))) {
    return EL_STR("-");
  }
  if (str_eq(op, EL_STR("Star"))) {
    return EL_STR("*");
  }
  if (str_eq(op, EL_STR("Slash"))) {
    return EL_STR("/");
  }
  if (str_eq(op, EL_STR("Percent"))) {
    return EL_STR("%");
  }
  if (str_eq(op, EL_STR("EqEq"))) {
    return EL_STR("===");
  }
  if (str_eq(op, EL_STR("NotEq"))) {
    return EL_STR("!==");
  }
  if (str_eq(op, EL_STR("Lt"))) {
    return EL_STR("<");
  }
  if (str_eq(op, EL_STR("Gt"))) {
    return EL_STR(">");
  }
  if (str_eq(op, EL_STR("LtEq"))) {
    return EL_STR("<=");
  }
  if (str_eq(op, EL_STR("GtEq"))) {
    return EL_STR(">=");
  }
  if (str_eq(op, EL_STR("And"))) {
    return EL_STR("&&");
  }
  if (str_eq(op, EL_STR("Or"))) {
    return EL_STR("||");
  }
  return op;
  return 0;
}

el_val_t js_is_el_method(el_val_t name) {
  if (str_eq(name, EL_STR("append"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("map_get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("map_set"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t js_is_async_builtin(el_val_t name) {
  if (str_eq(name, EL_STR("http_get"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("http_post"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("http_post_json"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("http_get_with_headers"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("http_post_with_headers"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t js_register_async_fn(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__js_async_fns"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__js_async_fns"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t js_is_async_fn(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__js_async_fns"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t js_is_int_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__js_int_names"));
  if (str_eq(csv, EL_STR(""))) {
    return 0;
  }
  return str_contains(csv, el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(",")));
  return 0;
}

el_val_t js_add_int_name(el_val_t name) {
  el_val_t csv = state_get(EL_STR("__js_int_names"));
  if (str_eq(csv, EL_STR(""))) {
    csv = EL_STR(",");
  }
  el_val_t key = el_str_concat(el_str_concat(EL_STR(","), name), EL_STR(","));
  if (str_contains(csv, key)) {
    return 1;
  }
  state_set(EL_STR("__js_int_names"), el_str_concat(el_str_concat(csv, name), EL_STR(",")));
  return 1;
  return 0;
}

el_val_t js_build_int_names_for_params(el_val_t params) {
  state_set(EL_STR("__js_int_names"), EL_STR(","));
  el_val_t np = native_list_len(params);
  el_val_t pi = 0;
  while (pi < np) {
    el_val_t param = native_list_get(params, pi);
    el_val_t pname = el_get_field(param, EL_STR("name"));
    el_val_t ptype = el_get_field(param, EL_STR("type"));
    if (str_eq(ptype, EL_STR("Int"))) {
      js_add_int_name(pname);
    }
    pi = (pi + 1);
  }
  return 1;
  return 0;
}

el_val_t js_is_int_call(el_val_t call_expr) {
  el_val_t func = el_get_field(call_expr, EL_STR("func"));
  el_val_t fk = el_get_field(func, EL_STR("expr"));
  if (!str_eq(fk, EL_STR("Ident"))) {
    return 0;
  }
  el_val_t name = el_get_field(func, EL_STR("name"));
  if (str_eq(name, EL_STR("str_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_index_of"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_to_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("str_char_code"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("native_list_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_list_len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("len"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("json_get_int"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_now"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("time_now_utc"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_abs"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_max"))) {
    return 1;
  }
  if (str_eq(name, EL_STR("el_min"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t js_next_html_id(void) {
  el_val_t csv = state_get(EL_STR("__js_html_counter"));
  el_val_t n = 0;
  if (!str_eq(csv, EL_STR(""))) {
    n = str_to_int(csv);
  }
  n = (n + 1);
  state_set(EL_STR("__js_html_counter"), native_int_to_str(n));
  return native_int_to_str(n);
  return 0;
}

el_val_t js_cg_html_parts(el_val_t children, el_val_t acc_var) {
  el_val_t n = native_list_len(children);
  el_val_t i = 0;
  el_val_t out = EL_STR("");
  while (i < n) {
    el_val_t child = native_list_get(children, i);
    el_val_t html_kind = el_get_field(child, EL_STR("html"));
    if (str_eq(html_kind, EL_STR("Text"))) {
      el_val_t text = el_get_field(child, EL_STR("text"));
      out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(text)), EL_STR("; "));
    }
    if (str_eq(html_kind, EL_STR("Doctype"))) {
      out = el_str_concat(el_str_concat(out, acc_var), EL_STR(" += \"<!doctype html>\"; "));
    }
    if (str_eq(html_kind, EL_STR("Interp"))) {
      el_val_t val_node = el_get_field(child, EL_STR("value"));
      el_val_t val_c = js_cg_expr(val_node);
      out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += html_escape(")), val_c), EL_STR("); "));
    }
    if (str_eq(html_kind, EL_STR("Raw"))) {
      el_val_t val_node = el_get_field(child, EL_STR("value"));
      el_val_t val_c = js_cg_expr(val_node);
      out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += html_raw(")), val_c), EL_STR("); "));
    }
    if (str_eq(html_kind, EL_STR("Element"))) {
      el_val_t elem_c = js_cg_html_element_str(child, acc_var);
      out = el_str_concat(out, elem_c);
    }
    if (str_eq(html_kind, EL_STR("Each"))) {
      el_val_t each_c = js_cg_html_each(child, acc_var);
      out = el_str_concat(out, each_c);
    }
    i = (i + 1);
  }
  return out;
  return 0;
}

el_val_t js_cg_html_attrs_str(el_val_t attrs, el_val_t acc_var) {
  el_val_t n = native_list_len(attrs);
  el_val_t i = 0;
  el_val_t out = EL_STR("");
  while (i < n) {
    el_val_t attr = native_list_get(attrs, i);
    el_val_t attr_name = el_get_field(attr, EL_STR("name"));
    el_val_t kind = el_get_field(attr, EL_STR("kind"));
    el_val_t open_val = el_str_concat(el_str_concat(EL_STR(" "), attr_name), EL_STR("=\""));
    if (str_eq(kind, EL_STR("static"))) {
      el_val_t sv = el_get_field(attr, EL_STR("value"));
      out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(open_val)), EL_STR("; "));
      out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(sv)), EL_STR("; "));
      out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(EL_STR("\""))), EL_STR("; "));
    } else {
      if (str_eq(kind, EL_STR("dynamic"))) {
        el_val_t val_node = el_get_field(attr, EL_STR("value"));
        el_val_t val_c = js_cg_expr(val_node);
        out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(open_val)), EL_STR("; "));
        out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += html_escape(")), val_c), EL_STR("); "));
        out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(EL_STR("\""))), EL_STR("; "));
      } else {
        out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(el_str_concat(EL_STR(" "), attr_name))), EL_STR("; "));
      }
    }
    i = (i + 1);
  }
  return out;
  return 0;
}

el_val_t js_cg_html_element_str(el_val_t elem, el_val_t acc_var) {
  el_val_t tag = el_get_field(elem, EL_STR("tag"));
  el_val_t attrs = el_get_field(elem, EL_STR("attrs"));
  el_val_t children = el_get_field(elem, EL_STR("children"));
  el_val_t self_closing = el_get_field(elem, EL_STR("self_closing"));
  el_val_t out = el_str_concat(el_str_concat(el_str_concat(acc_var, EL_STR(" += ")), js_str_lit(el_str_concat(EL_STR("<"), tag))), EL_STR("; "));
  out = el_str_concat(out, js_cg_html_attrs_str(attrs, acc_var));
  if (self_closing) {
    out = el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += \"/>\"")), EL_STR("; "));
  } else {
    out = el_str_concat(el_str_concat(out, acc_var), EL_STR(" += \">\"; "));
    out = el_str_concat(out, js_cg_html_parts(children, acc_var));
    out = el_str_concat(el_str_concat(el_str_concat(el_str_concat(out, acc_var), EL_STR(" += ")), js_str_lit(el_str_concat(el_str_concat(EL_STR("</"), tag), EL_STR(">")))), EL_STR("; "));
  }
  return out;
  return 0;
}

el_val_t js_cg_html_each(el_val_t node, el_val_t acc_var) {
  el_val_t list_expr = el_get_field(node, EL_STR("list"));
  el_val_t item_name = el_get_field(node, EL_STR("item"));
  el_val_t body_children = el_get_field(node, EL_STR("body"));
  el_val_t id = js_next_html_id();
  el_val_t list_var = el_str_concat(EL_STR("_html_list_"), id);
  el_val_t len_var = el_str_concat(EL_STR("_html_len_"), id);
  el_val_t idx_var = el_str_concat(EL_STR("_html_i_"), id);
  el_val_t list_c = js_cg_expr(list_expr);
  el_val_t inner_c = js_cg_html_parts(body_children, acc_var);
  return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("{ const "), list_var), EL_STR(" = ")), list_c), EL_STR("; const ")), len_var), EL_STR(" = el_list_len(")), list_var), EL_STR("); for (let ")), idx_var), EL_STR(" = 0; ")), idx_var), EL_STR(" < ")), len_var), EL_STR("; ")), idx_var), EL_STR("++) { const ")), item_name), EL_STR(" = el_list_get(")), list_var), EL_STR(", ")), idx_var), EL_STR("); ")), inner_c), EL_STR("} } "));
  return 0;
}

el_val_t js_cg_html_template(el_val_t expr) {
  el_val_t root = el_get_field(expr, EL_STR("root"));
  el_val_t id = js_next_html_id();
  el_val_t acc = el_str_concat(EL_STR("_html_"), id);
  el_val_t doctype_flag = el_get_field(root, EL_STR("doctype"));
  el_val_t doctype_prefix = EL_STR("");
  if (doctype_flag) {
    doctype_prefix = el_str_concat(acc, EL_STR(" += \"<!doctype html>\"; "));
  }
  el_val_t body = js_cg_html_element_str(root, acc);
  return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("(() => { let "), acc), EL_STR(" = \"\"; ")), doctype_prefix), body), EL_STR("return ")), acc), EL_STR("; })()"));
  return 0;
}

el_val_t js_cg_expr(el_val_t expr) {
  el_val_t kind = el_get_field(expr, EL_STR("expr"));
  if (str_eq(kind, EL_STR("Int"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    return v;
  }
  if (str_eq(kind, EL_STR("DurationLit"))) {
    el_val_t count = el_get_field(expr, EL_STR("count"));
    el_val_t unit = el_get_field(expr, EL_STR("unit"));
    el_val_t mult_ns = EL_STR("1");
    if (str_eq(unit, EL_STR("nano"))) {
      mult_ns = EL_STR("1");
    }
    if (str_eq(unit, EL_STR("nanos"))) {
      mult_ns = EL_STR("1");
    }
    if (str_eq(unit, EL_STR("milli"))) {
      mult_ns = EL_STR("1000000");
    }
    if (str_eq(unit, EL_STR("millis"))) {
      mult_ns = EL_STR("1000000");
    }
    if (str_eq(unit, EL_STR("millisecond"))) {
      mult_ns = EL_STR("1000000");
    }
    if (str_eq(unit, EL_STR("milliseconds"))) {
      mult_ns = EL_STR("1000000");
    }
    if (str_eq(unit, EL_STR("second"))) {
      mult_ns = EL_STR("1000000000");
    }
    if (str_eq(unit, EL_STR("seconds"))) {
      mult_ns = EL_STR("1000000000");
    }
    if (str_eq(unit, EL_STR("minute"))) {
      mult_ns = EL_STR("60000000000");
    }
    if (str_eq(unit, EL_STR("minutes"))) {
      mult_ns = EL_STR("60000000000");
    }
    if (str_eq(unit, EL_STR("hour"))) {
      mult_ns = EL_STR("3600000000000");
    }
    if (str_eq(unit, EL_STR("hours"))) {
      mult_ns = EL_STR("3600000000000");
    }
    if (str_eq(unit, EL_STR("day"))) {
      mult_ns = EL_STR("86400000000000");
    }
    if (str_eq(unit, EL_STR("days"))) {
      mult_ns = EL_STR("86400000000000");
    }
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), count), EL_STR(" * ")), mult_ns), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Float"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    return v;
  }
  if (str_eq(kind, EL_STR("Str"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    return js_str_lit(v);
  }
  if (str_eq(kind, EL_STR("Bool"))) {
    el_val_t v = el_get_field(expr, EL_STR("value"));
    if (str_eq(v, EL_STR("true"))) {
      return EL_STR("true");
    }
    return EL_STR("false");
  }
  if (str_eq(kind, EL_STR("Nil"))) {
    return EL_STR("null");
  }
  if (str_eq(kind, EL_STR("Ident"))) {
    el_val_t name = el_get_field(expr, EL_STR("name"));
    return name;
  }
  if (str_eq(kind, EL_STR("Not"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    el_val_t inner_c = js_cg_expr(inner);
    return el_str_concat(EL_STR("!"), inner_c);
  }
  if (str_eq(kind, EL_STR("Neg"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    el_val_t inner_c = js_cg_expr(inner);
    return el_str_concat(el_str_concat(EL_STR("(-"), inner_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("BinOp"))) {
    el_val_t op = el_get_field(expr, EL_STR("op"));
    el_val_t left = el_get_field(expr, EL_STR("left"));
    el_val_t right = el_get_field(expr, EL_STR("right"));
    el_val_t left_c = js_cg_expr(left);
    el_val_t right_c = js_cg_expr(right);
    el_val_t left_kind = el_get_field(left, EL_STR("expr"));
    el_val_t right_kind = el_get_field(right, EL_STR("expr"));
    if (str_eq(op, EL_STR("Plus"))) {
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" + ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" + ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        if (str_eq(right_kind, EL_STR("Ident"))) {
          el_val_t lname = el_get_field(left, EL_STR("name"));
          el_val_t rname = el_get_field(right, EL_STR("name"));
          if (js_is_int_name(lname)) {
            if (js_is_int_name(rname)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" + ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        if (str_eq(right_kind, EL_STR("Call"))) {
          el_val_t lname = el_get_field(left, EL_STR("name"));
          if (js_is_int_name(lname)) {
            if (js_is_int_call(right)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" + ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (str_eq(right_kind, EL_STR("Ident"))) {
        if (str_eq(left_kind, EL_STR("Call"))) {
          el_val_t rname = el_get_field(right, EL_STR("name"));
          if (js_is_int_name(rname)) {
            if (js_is_int_call(left)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" + ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (str_eq(left_kind, EL_STR("Call"))) {
        if (str_eq(right_kind, EL_STR("Call"))) {
          if (js_is_int_call(left)) {
            if (js_is_int_call(right)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" + ")), right_c), EL_STR(")"));
            }
          }
        }
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Call"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Ident"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_str_concat("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
    }
    if (str_eq(op, EL_STR("EqEq"))) {
      if (str_eq(left_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Nil"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Nil"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        if (str_eq(right_kind, EL_STR("Ident"))) {
          el_val_t lname = el_get_field(left, EL_STR("name"));
          el_val_t rname = el_get_field(right, EL_STR("name"));
          if (js_is_int_name(lname)) {
            if (js_is_int_name(rname)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" === ")), right_c), EL_STR(")"));
    }
    if (str_eq(op, EL_STR("NotEq"))) {
      if (str_eq(left_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Int"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Bool"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Nil"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Nil"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
      }
      if (str_eq(left_kind, EL_STR("Ident"))) {
        if (str_eq(right_kind, EL_STR("Ident"))) {
          el_val_t lname = el_get_field(left, EL_STR("name"));
          el_val_t rname = el_get_field(right, EL_STR("name"));
          if (js_is_int_name(lname)) {
            if (js_is_int_name(rname)) {
              return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
            }
          }
        }
      }
      if (str_eq(left_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      if (str_eq(right_kind, EL_STR("Str"))) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("!str_eq("), left_c), EL_STR(", ")), right_c), EL_STR(")"));
      }
      return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" !== ")), right_c), EL_STR(")"));
    }
    el_val_t op_c = js_binop(op);
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), left_c), EL_STR(" ")), op_c), EL_STR(" ")), right_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Call"))) {
    el_val_t func = el_get_field(expr, EL_STR("func"));
    el_val_t args = el_get_field(expr, EL_STR("args"));
    el_val_t arity = native_list_len(args);
    el_val_t func_kind = el_get_field(func, EL_STR("expr"));
    el_val_t args_parts = native_list_empty();
    el_val_t i = 0;
    while (i < arity) {
      el_val_t arg = native_list_get(args, i);
      el_val_t arg_c = js_cg_expr(arg);
      args_parts = native_list_append(args_parts, arg_c);
      i = (i + 1);
    }
    el_val_t args_c = str_join(args_parts, EL_STR(", "));
    if (str_eq(func_kind, EL_STR("Ident"))) {
      el_val_t fn_name = el_get_field(func, EL_STR("name"));
      el_val_t call_expr = el_str_concat(el_str_concat(el_str_concat(fn_name, EL_STR("(")), args_c), EL_STR(")"));
      if (js_is_async_builtin(fn_name)) {
        return el_str_concat(EL_STR("await "), call_expr);
      }
      if (js_is_async_fn(fn_name)) {
        return el_str_concat(EL_STR("await "), call_expr);
      }
      return call_expr;
    }
    if (str_eq(func_kind, EL_STR("Field"))) {
      el_val_t obj = el_get_field(func, EL_STR("object"));
      el_val_t field = el_get_field(func, EL_STR("field"));
      el_val_t obj_c = js_cg_expr(obj);
      if (js_is_el_method(field)) {
        if (arity > 0) {
          return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(field, EL_STR("(")), obj_c), EL_STR(", ")), args_c), EL_STR(")"));
        }
        return el_str_concat(el_str_concat(el_str_concat(field, EL_STR("(")), obj_c), EL_STR(")"));
      }
      if (arity > 0) {
        return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(obj_c, EL_STR(".")), field), EL_STR("(")), args_c), EL_STR(")"));
      }
      return el_str_concat(el_str_concat(el_str_concat(obj_c, EL_STR(".")), field), EL_STR("()"));
    }
    el_val_t fn_c = js_cg_expr(func);
    return el_str_concat(el_str_concat(el_str_concat(fn_c, EL_STR("(")), args_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Field"))) {
    el_val_t obj = el_get_field(expr, EL_STR("object"));
    el_val_t field = el_get_field(expr, EL_STR("field"));
    el_val_t obj_kind = el_get_field(obj, EL_STR("expr"));
    if (str_eq(obj_kind, EL_STR("Try"))) {
      el_val_t inner = el_get_field(obj, EL_STR("inner"));
      el_val_t inner_c = js_cg_expr(inner);
      return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), inner_c), EL_STR(")?.[")), js_str_lit(field)), EL_STR("] ?? null"));
    }
    el_val_t obj_c = js_cg_expr(obj);
    return el_str_concat(el_str_concat(el_str_concat(obj_c, EL_STR("[")), js_str_lit(field)), EL_STR("]"));
  }
  if (str_eq(kind, EL_STR("Index"))) {
    el_val_t obj = el_get_field(expr, EL_STR("object"));
    el_val_t idx = el_get_field(expr, EL_STR("index"));
    el_val_t obj_c = js_cg_expr(obj);
    el_val_t idx_c = js_cg_expr(idx);
    el_val_t idx_kind = el_get_field(idx, EL_STR("expr"));
    el_val_t obj_kind = el_get_field(obj, EL_STR("expr"));
    if (str_eq(obj_kind, EL_STR("Try"))) {
      el_val_t inner = el_get_field(obj, EL_STR("inner"));
      el_val_t inner_c = js_cg_expr(inner);
      return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("("), inner_c), EL_STR(")?.[")), idx_c), EL_STR("] ?? null"));
    }
    if (str_eq(idx_kind, EL_STR("Str"))) {
      return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_get_field("), obj_c), EL_STR(", ")), idx_c), EL_STR(")"));
    }
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("el_list_get("), obj_c), EL_STR(", ")), idx_c), EL_STR(")"));
  }
  if (str_eq(kind, EL_STR("Array"))) {
    el_val_t elems = el_get_field(expr, EL_STR("elems"));
    el_val_t n = native_list_len(elems);
    if (n == 0) {
      return EL_STR("[]");
    }
    el_val_t items_parts = native_list_empty();
    el_val_t i = 0;
    while (i < n) {
      el_val_t elem = native_list_get(elems, i);
      el_val_t elem_c = js_cg_expr(elem);
      items_parts = native_list_append(items_parts, elem_c);
      i = (i + 1);
    }
    return el_str_concat(el_str_concat(EL_STR("["), str_join(items_parts, EL_STR(", "))), EL_STR("]"));
  }
  if (str_eq(kind, EL_STR("Map"))) {
    el_val_t pairs = el_get_field(expr, EL_STR("pairs"));
    el_val_t n = native_list_len(pairs);
    if (n == 0) {
      return EL_STR("{}");
    }
    el_val_t items_parts = native_list_empty();
    el_val_t i = 0;
    while (i < n) {
      el_val_t pair = native_list_get(pairs, i);
      el_val_t key = el_get_field(pair, EL_STR("key"));
      el_val_t val = el_get_field(pair, EL_STR("value"));
      el_val_t val_c = js_cg_expr(val);
      items_parts = native_list_append(items_parts, el_str_concat(el_str_concat(js_str_lit(key), EL_STR(": ")), val_c));
      i = (i + 1);
    }
    return el_str_concat(el_str_concat(EL_STR("{"), str_join(items_parts, EL_STR(", "))), EL_STR("}"));
  }
  if (str_eq(kind, EL_STR("Try"))) {
    el_val_t inner = el_get_field(expr, EL_STR("inner"));
    return js_cg_expr(inner);
  }
  if (str_eq(kind, EL_STR("If"))) {
    el_val_t cond = el_get_field(expr, EL_STR("cond"));
    el_val_t cond_c = js_cg_expr(cond);
    return el_str_concat(el_str_concat(EL_STR("("), cond_c), EL_STR(" ? 1 : 0)"));
  }
  if (str_eq(kind, EL_STR("Match"))) {
    return js_cg_match(expr);
  }
  if (str_eq(kind, EL_STR("Lambda"))) {
    return js_cg_lambda(expr);
  }
  if (str_eq(kind, EL_STR("HtmlTemplate"))) {
    return js_cg_html_template(expr);
  }
  return EL_STR("null");
  return 0;
}

el_val_t js_next_match_id(void) {
  el_val_t csv = state_get(EL_STR("__js_match_counter"));
  el_val_t n = 0;
  if (!str_eq(csv, EL_STR(""))) {
    n = str_to_int(csv);
  }
  n = (n + 1);
  state_set(EL_STR("__js_match_counter"), native_int_to_str(n));
  return native_int_to_str(n);
  return 0;
}

el_val_t js_cg_match(el_val_t expr) {
  el_val_t subject = el_get_field(expr, EL_STR("subject"));
  el_val_t arms = el_get_field(expr, EL_STR("arms"));
  el_val_t subj_c = js_cg_expr(subject);
  el_val_t id = js_next_match_id();
  el_val_t subj_var = el_str_concat(EL_STR("_match_subj_"), id);
  el_val_t parts = native_list_empty();
  parts = native_list_append(parts, el_str_concat(el_str_concat(EL_STR("(("), subj_var), EL_STR(") => { ")));
  el_val_t n = native_list_len(arms);
  el_val_t i = 0;
  while (i < n) {
    el_val_t arm = native_list_get(arms, i);
    el_val_t pat = el_get_field(arm, EL_STR("pattern"));
    el_val_t body = el_get_field(arm, EL_STR("body"));
    el_val_t pkind = el_get_field(pat, EL_STR("pattern"));
    el_val_t body_c = js_cg_expr(body);
    if (str_eq(pkind, EL_STR("Wildcard"))) {
      parts = native_list_append(parts, el_str_concat(el_str_concat(EL_STR("return ("), body_c), EL_STR("); ")));
    } else {
      if (str_eq(pkind, EL_STR("Binding"))) {
        el_val_t bname = el_get_field(pat, EL_STR("name"));
        parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("{ const "), bname), EL_STR(" = ")), subj_var), EL_STR("; return (")), body_c), EL_STR("); } ")));
      } else {
        if (str_eq(pkind, EL_STR("LitInt"))) {
          el_val_t v = el_get_field(pat, EL_STR("value"));
          parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if ("), subj_var), EL_STR(" === ")), v), EL_STR(") return (")), body_c), EL_STR("); ")));
        } else {
          if (str_eq(pkind, EL_STR("LitStr"))) {
            el_val_t v = el_get_field(pat, EL_STR("value"));
            parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if (str_eq("), subj_var), EL_STR(", ")), js_str_lit(v)), EL_STR(")) return (")), body_c), EL_STR("); ")));
          } else {
            if (str_eq(pkind, EL_STR("LitBool"))) {
              el_val_t v = el_get_field(pat, EL_STR("value"));
              el_val_t bv = EL_STR("false");
              if (str_eq(v, EL_STR("true"))) {
                bv = EL_STR("true");
              }
              parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if ("), subj_var), EL_STR(" === ")), bv), EL_STR(") return (")), body_c), EL_STR("); ")));
            } else {
              if (str_eq(pkind, EL_STR("Variant"))) {
                el_val_t variant = el_get_field(pat, EL_STR("variant"));
                parts = native_list_append(parts, el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("if (str_eq("), subj_var), EL_STR(", ")), js_str_lit(variant)), EL_STR(")) return (")), body_c), EL_STR("); ")));
              } else {
                parts = native_list_append(parts, el_str_concat(el_str_concat(EL_STR("return ("), body_c), EL_STR("); ")));
              }
            }
          }
        }
      }
    }
    i = (i + 1);
  }
  parts = native_list_append(parts, el_str_concat(el_str_concat(EL_STR("return null; })("), subj_c), EL_STR(")")));
  return str_join(parts, EL_STR(""));
  return 0;
}

el_val_t js_next_lambda_id(void) {
  el_val_t csv = state_get(EL_STR("__js_lambda_counter"));
  el_val_t n = 0;
  if (!str_eq(csv, EL_STR(""))) {
    n = str_to_int(csv);
  }
  n = (n + 1);
  state_set(EL_STR("__js_lambda_counter"), native_int_to_str(n));
  return native_int_to_str(n);
  return 0;
}

el_val_t js_cg_lambda(el_val_t expr) {
  el_val_t params = el_get_field(expr, EL_STR("params"));
  el_val_t body = el_get_field(expr, EL_STR("body"));
  el_val_t ret_type = el_get_field(expr, EL_STR("ret_type"));
  el_val_t id = js_next_lambda_id();
  el_val_t lambda_name = el_str_concat(EL_STR("__lambda_"), id);
  el_val_t params_str = js_params_str(params);
  js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("function "), lambda_name), EL_STR("(")), params_str), EL_STR(") {")));
  el_val_t decl = native_list_empty();
  el_val_t np = native_list_len(params);
  el_val_t pi = 0;
  while (pi < np) {
    el_val_t param = native_list_get(params, pi);
    el_val_t pname = el_get_field(param, EL_STR("name"));
    decl = native_list_append(decl, pname);
    pi = (pi + 1);
  }
  el_val_t body_xformed = body;
  if (!str_eq(ret_type, EL_STR("Void"))) {
    body_xformed = js_transform_implicit_return(body);
  }
  js_build_int_names_for_params(params);
  js_cg_stmts(body_xformed, EL_STR("  "), decl);
  js_emit_line(EL_STR("}"));
  js_emit_blank();
  return lambda_name;
  return 0;
}

el_val_t js_list_contains(el_val_t lst, el_val_t s) {
  el_val_t n = native_list_len(lst);
  el_val_t i = 0;
  while (i < n) {
    el_val_t item = native_list_get(lst, i);
    if (str_eq(item, s)) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t js_cg_stmt(el_val_t stmt, el_val_t indent, el_val_t declared) {
  el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(kind, EL_STR("Let"))) {
    el_val_t name = el_get_field(stmt, EL_STR("name"));
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_c = js_cg_expr(val);
    el_val_t ltype = el_get_field(stmt, EL_STR("type"));
    if (str_eq(ltype, EL_STR("Int"))) {
      js_add_int_name(name);
    }
    el_val_t vk = el_get_field(val, EL_STR("expr"));
    if (str_eq(vk, EL_STR("Int"))) {
      js_add_int_name(name);
    }
    if (js_list_contains(declared, name)) {
      js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, name), EL_STR(" = ")), val_c), EL_STR(";")));
      return declared;
    } else {
      js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("let ")), name), EL_STR(" = ")), val_c), EL_STR(";")));
      return native_list_append(declared, name);
    }
  }
  if (str_eq(kind, EL_STR("Return"))) {
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_kind = el_get_field(val, EL_STR("expr"));
    if (str_eq(val_kind, EL_STR("Nil"))) {
      js_emit_line(el_str_concat(indent, EL_STR("return null;")));
    } else {
      el_val_t val_c = js_cg_expr(val);
      js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("return ")), val_c), EL_STR(";")));
    }
    return declared;
  }
  if (str_eq(kind, EL_STR("Assign"))) {
    el_val_t name = el_get_field(stmt, EL_STR("name"));
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_c = js_cg_expr(val);
    js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, name), EL_STR(" = ")), val_c), EL_STR(";")));
    return declared;
  }
  if (str_eq(kind, EL_STR("Expr"))) {
    el_val_t val = el_get_field(stmt, EL_STR("value"));
    el_val_t val_kind = el_get_field(val, EL_STR("expr"));
    if (str_eq(val_kind, EL_STR("If"))) {
      js_cg_if_stmt(val, indent, declared);
      return declared;
    }
    if (str_eq(val_kind, EL_STR("For"))) {
      js_cg_for_stmt(val, indent, declared);
      return declared;
    }
    el_val_t val_c = js_cg_expr(val);
    js_emit_line(el_str_concat(el_str_concat(indent, val_c), EL_STR(";")));
    return declared;
  }
  if (str_eq(kind, EL_STR("While"))) {
    el_val_t cond = el_get_field(stmt, EL_STR("cond"));
    el_val_t body = el_get_field(stmt, EL_STR("body"));
    el_val_t cond_c = js_cg_expr(cond);
    cond_c = js_strip_outer_parens(cond_c);
    js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("while (")), cond_c), EL_STR(") {")));
    js_cg_stmts(body, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
    js_emit_line(el_str_concat(indent, EL_STR("}")));
    return declared;
  }
  if (str_eq(kind, EL_STR("For"))) {
    el_val_t item = el_get_field(stmt, EL_STR("item"));
    el_val_t list_expr = el_get_field(stmt, EL_STR("list"));
    el_val_t body = el_get_field(stmt, EL_STR("body"));
    js_cg_for_body(item, list_expr, body, indent, declared);
    return declared;
  }
  if (str_eq(kind, EL_STR("FnDef"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("TypeDef"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("EnumDef"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("Import"))) {
    return declared;
  }
  if (str_eq(kind, EL_STR("TryCatch"))) {
    el_val_t try_body = el_get_field(stmt, EL_STR("try_body"));
    el_val_t catch_name = el_get_field(stmt, EL_STR("catch_name"));
    el_val_t catch_body = el_get_field(stmt, EL_STR("catch_body"));
    js_emit_line(el_str_concat(indent, EL_STR("try {")));
    js_cg_stmts(try_body, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
    js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("} catch (")), catch_name), EL_STR(") {")));
    js_cg_stmts(catch_body, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
    js_emit_line(el_str_concat(indent, EL_STR("}")));
    return declared;
  }
  if (str_eq(kind, EL_STR("ExternFn"))) {
    el_val_t ename = el_get_field(stmt, EL_STR("name"));
    js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("// extern fn ")), ename), EL_STR(" \xe2\x80\x94 provided by the JS environment")));
    return declared;
  }
  if (str_eq(kind, EL_STR("CgiBlock"))) {
    el_val_t cname = el_get_field(stmt, EL_STR("name"));
    js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("// cgi block '")), cname), EL_STR("' \xe2\x80\x94 no-op in JS target (server-side concept)")));
    return declared;
  }
  if (str_eq(kind, EL_STR("ServiceBlock"))) {
    el_val_t sname = el_get_field(stmt, EL_STR("name"));
    js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("// service block '")), sname), EL_STR("' \xe2\x80\x94 no-op in JS target")));
    return declared;
  }
  return declared;
  return 0;
}

el_val_t js_strip_outer_parens(el_val_t s) {
  el_val_t chars = native_string_chars(s);
  el_val_t n = native_list_len(chars);
  if (n < 2) {
    return s;
  }
  el_val_t first = native_list_get(chars, 0);
  el_val_t last = native_list_get(chars, (n - 1));
  if (str_eq(first, EL_STR("("))) {
    if (str_eq(last, EL_STR(")"))) {
      el_val_t depth = 1;
      el_val_t i = 1;
      el_val_t balanced = 1;
      while (i < (n - 1)) {
        el_val_t ch = native_list_get(chars, i);
        if (str_eq(ch, EL_STR("("))) {
          depth = (depth + 1);
        }
        if (str_eq(ch, EL_STR(")"))) {
          depth = (depth - 1);
          if (depth == 0) {
            balanced = 0;
            i = n;
          }
        }
        i = (i + 1);
      }
      if (balanced) {
        return str_slice(s, 1, (n - 1));
      }
    }
  }
  return s;
  return 0;
}

el_val_t js_cg_if_stmt(el_val_t expr, el_val_t indent, el_val_t declared) {
  el_val_t cond = el_get_field(expr, EL_STR("cond"));
  el_val_t then_stmts = el_get_field(expr, EL_STR("then"));
  el_val_t else_stmts = el_get_field(expr, EL_STR("else"));
  el_val_t has_else = el_get_field(expr, EL_STR("has_else"));
  el_val_t cond_c = js_cg_expr(cond);
  cond_c = js_strip_outer_parens(cond_c);
  js_emit_line(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("if (")), cond_c), EL_STR(") {")));
  js_cg_stmts(then_stmts, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
  if (has_else) {
    js_emit_line(el_str_concat(indent, EL_STR("} else {")));
    js_cg_stmts(else_stmts, el_str_concat(indent, EL_STR("  ")), native_list_clone(declared));
  }
  js_emit_line(el_str_concat(indent, EL_STR("}")));
  return 0;
}

el_val_t js_cg_for_body(el_val_t item, el_val_t list_expr, el_val_t body, el_val_t indent, el_val_t declared) {
  el_val_t list_c = js_cg_expr(list_expr);
  js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(indent, EL_STR("for (const ")), item), EL_STR(" of ")), list_c), EL_STR(") {")));
  el_val_t body_decl = native_list_clone(declared);
  body_decl = native_list_append(body_decl, item);
  js_cg_stmts(body, el_str_concat(indent, EL_STR("  ")), body_decl);
  js_emit_line(el_str_concat(indent, EL_STR("}")));
  return 0;
}

el_val_t js_cg_for_stmt(el_val_t expr, el_val_t indent, el_val_t declared) {
  el_val_t item = el_get_field(expr, EL_STR("item"));
  el_val_t list_expr = el_get_field(expr, EL_STR("list"));
  el_val_t body = el_get_field(expr, EL_STR("body"));
  js_cg_for_body(item, list_expr, body, indent, declared);
  return 0;
}

el_val_t js_cg_stmts(el_val_t stmts, el_val_t indent, el_val_t declared) {
  el_val_t n = native_list_len(stmts);
  el_val_t i = 0;
  el_val_t decl = declared;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    decl = js_cg_stmt(stmt, indent, decl);
    i = (i + 1);
  }
  return decl;
  return 0;
}

el_val_t js_params_str(el_val_t params) {
  el_val_t n = native_list_len(params);
  if (n == 0) {
    return EL_STR("");
  }
  el_val_t parts = native_list_empty();
  el_val_t i = 0;
  while (i < n) {
    el_val_t param = native_list_get(params, i);
    el_val_t name = el_get_field(param, EL_STR("name"));
    parts = native_list_append(parts, name);
    i = (i + 1);
  }
  return str_join(parts, EL_STR(", "));
  return 0;
}

el_val_t js_transform_implicit_return(el_val_t body) {
  el_val_t n = native_list_len(body);
  if (n == 0) {
    return body;
  }
  el_val_t last = native_list_get(body, (n - 1));
  el_val_t last_kind = el_get_field(last, EL_STR("stmt"));
  if (str_eq(last_kind, EL_STR("Expr"))) {
    el_val_t val = el_get_field(last, EL_STR("value"));
    el_val_t val_kind = el_get_field(val, EL_STR("expr"));
    if (str_eq(val_kind, EL_STR("If"))) {
      return body;
    }
    if (str_eq(val_kind, EL_STR("For"))) {
      return body;
    }
    el_val_t new_body = native_list_empty();
    el_val_t i = 0;
    while (i < (n - 1)) {
      new_body = native_list_append(new_body, native_list_get(body, i));
      i = (i + 1);
    }
    el_val_t return_stmt = el_map_new(2, "stmt", EL_STR("Return"), "value", val);
    new_body = native_list_append(new_body, return_stmt);
    return new_body;
  }
  return body;
  return 0;
}

el_val_t js_cg_fn(el_val_t stmt) {
  el_val_t fn_name = el_get_field(stmt, EL_STR("name"));
  el_val_t params = el_get_field(stmt, EL_STR("params"));
  el_val_t body = el_get_field(stmt, EL_STR("body"));
  el_val_t ret_type = el_get_field(stmt, EL_STR("ret_type"));
  el_val_t decorator = el_get_field(stmt, EL_STR("decorator"));
  el_val_t params_str = js_params_str(params);
  js_build_int_names_for_params(params);
  if (str_eq(decorator, EL_STR("async"))) {
    js_register_async_fn(fn_name);
    if (str_eq(fn_name, EL_STR("main"))) {
      js_emit_line(el_str_concat(el_str_concat(EL_STR("async function main("), params_str), EL_STR(") {")));
    } else {
      js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("async function "), fn_name), EL_STR("(")), params_str), EL_STR(") {")));
    }
  } else {
    if (str_eq(fn_name, EL_STR("main"))) {
      js_emit_line(el_str_concat(el_str_concat(EL_STR("function main("), params_str), EL_STR(") {")));
    } else {
      js_emit_line(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("function "), fn_name), EL_STR("(")), params_str), EL_STR(") {")));
    }
  }
  el_val_t decl = native_list_empty();
  el_val_t np = native_list_len(params);
  el_val_t pi = 0;
  while (pi < np) {
    el_val_t param = native_list_get(params, pi);
    el_val_t pname = el_get_field(param, EL_STR("name"));
    decl = native_list_append(decl, pname);
    pi = (pi + 1);
  }
  el_val_t body_xformed = body;
  if (!str_eq(ret_type, EL_STR("Void"))) {
    body_xformed = js_transform_implicit_return(body);
  }
  js_cg_stmts(body_xformed, EL_STR("  "), decl);
  js_emit_line(EL_STR("}"));
  js_emit_blank();
  return 0;
}

el_val_t js_is_fndef(el_val_t stmt) {
  el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(kind, EL_STR("FnDef"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t js_is_top_level_decl(el_val_t stmt) {
  el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
  if (str_eq(kind, EL_STR("TypeDef"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("EnumDef"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("Import"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("CgiBlock"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("ServiceBlock"))) {
    return 1;
  }
  if (str_eq(kind, EL_STR("ExternFn"))) {
    return 1;
  }
  return 0;
  return 0;
}

el_val_t codegen_js(el_val_t stmts, el_val_t source) {
  return codegen_js_inner(stmts, source, 0, EL_STR(""));
  return 0;
}

el_val_t codegen_js_bundle(el_val_t stmts, el_val_t source, el_val_t runtime_content) {
  return codegen_js_inner(stmts, source, 1, runtime_content);
  return 0;
}

el_val_t codegen_js_inner(el_val_t stmts, el_val_t source, el_val_t bundle_mode, el_val_t runtime_content) {
  state_set(EL_STR("__js_int_names"), EL_STR(""));
  state_set(EL_STR("__js_match_counter"), EL_STR(""));
  state_set(EL_STR("__js_async_fns"), EL_STR(""));
  state_set(EL_STR("__js_lambda_counter"), EL_STR(""));
  js_emit_line(EL_STR("// Generated by elc --target=js"));
  if (bundle_mode) {
    js_emit_line(EL_STR("// Bundle mode: runtime inlined, no import statement needed."));
    js_emit_line(EL_STR(""));
    js_emit_line(EL_STR(";(function() {"));
    js_emit_line(EL_STR("\"use strict\";"));
    js_emit_line(js_strip_es_exports(runtime_content));
    js_emit_line(EL_STR(""));
  } else {
    js_emit_line(EL_STR("// Runtime: foundation/el/el-compiler/runtime/el_runtime.js"));
    js_emit_line(EL_STR("import \"./el_runtime.js\";"));
  }
  if (!bundle_mode) {
    js_emit_line(EL_STR("const {"));
    js_emit_line(EL_STR("  println, print, el_str_concat, str_concat, str_eq, str_starts_with, str_ends_with,"));
    js_emit_line(EL_STR("  str_len, int_to_str, str_to_int, str_slice, str_contains, str_replace,"));
    js_emit_line(EL_STR("  str_to_upper, str_to_lower, str_trim, str_index_of, str_split, str_char_at,"));
    js_emit_line(EL_STR("  str_char_code, str_lower, str_upper, el_abs, el_max, el_min,"));
    js_emit_line(EL_STR("  el_list_new, el_list_len, el_list_get, el_list_append, el_list_empty, el_list_clone,"));
    js_emit_line(EL_STR("  list_push, list_join, list_range,"));
    js_emit_line(EL_STR("  el_map_new, el_get_field, el_map_get, el_map_set,"));
    js_emit_line(EL_STR("  http_get, http_post, http_post_json,"));
    js_emit_line(EL_STR("  fs_read, fs_write, fs_list,"));
    js_emit_line(EL_STR("  json_parse, json_stringify, json_get, json_get_string, json_get_int,"));
    js_emit_line(EL_STR("  time_now, time_now_utc, sleep_ms, bool_to_str, exit_program,"));
    js_emit_line(EL_STR("  el_retain, el_release,"));
    js_emit_line(EL_STR("  append, len, get, map_get, map_set,"));
    js_emit_line(EL_STR("  native_list_get, native_list_len, native_list_append, native_list_empty,"));
    js_emit_line(EL_STR("  native_list_clone, native_string_chars, native_int_to_str,"));
    js_emit_line(EL_STR("  args, state_set, state_get, state_del, state_keys, env,"));
    js_emit_line(EL_STR("  dharma_connect, dharma_send, dharma_emit, dharma_field, dharma_activate,"));
    js_emit_line(EL_STR("  engram_node, engram_search, engram_activate,"));
    js_emit_line(EL_STR("  llm_call, llm_call_system,"));
    js_emit_line(EL_STR("  dom_get_element, dom_get_value, dom_set_value, dom_get_text, dom_set_text,"));
    js_emit_line(EL_STR("  dom_set_prop, dom_get_prop, dom_set_style, dom_add_class, dom_remove_class,"));
    js_emit_line(EL_STR("  dom_show, dom_hide, dom_listen, dom_query, dom_query_all, dom_create,"));
    js_emit_line(EL_STR("  dom_append, dom_remove, dom_is_null,"));
    js_emit_line(EL_STR("  dom_set_attr, dom_get_attr, dom_remove_attr, dom_set_html, dom_get_html,"));
    js_emit_line(EL_STR("  dom_get_parent, dom_contains_class, dom_get_checked, dom_set_checked,"));
    js_emit_line(EL_STR("  set_timeout, set_interval, clear_interval,"));
    js_emit_line(EL_STR("  local_storage_get, local_storage_set, local_storage_remove,"));
    js_emit_line(EL_STR("  window_location, window_redirect, window_on_load,"));
    js_emit_line(EL_STR("  console_log,"));
    js_emit_line(EL_STR("  window_set, window_get, native_js, native_js_call,"));
    js_emit_line(EL_STR("  promise_then, promise_catch, promise_resolve, promise_reject,"));
    js_emit_line(EL_STR("  object_assign, object_keys, object_values, json_deep_clone,"));
    js_emit_line(EL_STR("  array_from, type_of, instanceof_check,"));
    js_emit_line(EL_STR("} = globalThis.__el;"));
    js_emit_blank();
  }
  el_val_t n = native_list_len(stmts);
  el_val_t i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    el_val_t sk = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(sk, EL_STR("Import"))) {
      el_val_t ipath = el_get_field(stmt, EL_STR("path"));
      el_val_t is_url = str_starts_with(ipath, EL_STR("http://"));
      is_url = (is_url || str_starts_with(ipath, EL_STR("https://")));
      el_val_t is_js = !str_ends_with(ipath, EL_STR(".el"));
      if (is_url || is_js) {
        if (bundle_mode) {
          js_emit_line(el_str_concat(EL_STR("// external: "), ipath));
        } else {
          js_emit_line(el_str_concat(el_str_concat(EL_STR("import "), js_str_lit(ipath)), EL_STR(";")));
        }
      }
    }
    i = (i + 1);
  }
  js_emit_blank();
  n = native_list_len(stmts);
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    el_val_t sk = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(sk, EL_STR("FnDef"))) {
      el_val_t dec = el_get_field(stmt, EL_STR("decorator"));
      if (str_eq(dec, EL_STR("async"))) {
        el_val_t aname = el_get_field(stmt, EL_STR("name"));
        js_register_async_fn(aname);
      }
    }
    i = (i + 1);
  }
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    if (js_is_fndef(stmt)) {
      js_cg_fn(stmt);
    }
    i = (i + 1);
  }
  el_val_t has_main = 0;
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    el_val_t sk = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(sk, EL_STR("FnDef"))) {
      el_val_t fn_name = el_get_field(stmt, EL_STR("name"));
      if (str_eq(fn_name, EL_STR("main"))) {
        has_main = 1;
      }
    }
    i = (i + 1);
  }
  el_val_t main_decl = native_list_empty();
  i = 0;
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    if (js_is_fndef(stmt)) {
    } else {
      if (js_is_top_level_decl(stmt)) {
      } else {
        main_decl = js_cg_stmt(stmt, EL_STR(""), main_decl);
      }
    }
    i = (i + 1);
  }
  if (has_main) {
    js_emit_blank();
    js_emit_line(EL_STR("main();"));
  }
  if (bundle_mode) {
    js_emit_line(EL_STR(""));
    js_emit_line(EL_STR("})();"));
  }
  return EL_STR("");
  return 0;
}

el_val_t js_strip_es_exports(el_val_t content) {
  el_val_t lines = str_split(content, EL_STR("\n"));
  el_val_t n = native_list_len(lines);
  el_val_t out = native_list_empty();
  el_val_t i = 0;
  while (i < n) {
    el_val_t line = native_list_get(lines, i);
    el_val_t trimmed = str_trim(line);
    if (str_starts_with(trimmed, EL_STR("export {"))) {
      i = n;
    } else {
      if (str_starts_with(trimmed, EL_STR("export default"))) {
        i = n;
      } else {
        out = native_list_append(out, line);
      }
    }
    i = (i + 1);
  }
  return str_join(out, EL_STR("\n"));
  return 0;
}

el_val_t compile(el_val_t source) {
  el_val_t top_mark = el_arena_push();
  el_val_t tokens = lex(source);
  el_val_t sigs = scan_fn_sigs(tokens);
  codegen_streaming(tokens, sigs, source);
  el_arena_pop(top_mark);
  return EL_STR("");
  return 0;
}

el_val_t compile_test(el_val_t source) {
  state_set(EL_STR("__test_mode"), EL_STR("1"));
  el_val_t top_mark = el_arena_push();
  el_val_t tokens = lex(source);
  el_val_t sigs = scan_fn_sigs(tokens);
  codegen_streaming(tokens, sigs, source);
  el_arena_pop(top_mark);
  state_set(EL_STR("__test_mode"), EL_STR(""));
  return EL_STR("");
  return 0;
}

el_val_t compile_js(el_val_t source) {
  el_val_t tokens = lex(source);
  el_val_t stmts = parse(tokens);
  el_release(tokens);
  return codegen_js(stmts, source);
  return 0;
}

el_val_t compile_js_with_bundle(el_val_t source, el_val_t runtime_path) {
  el_val_t tokens = lex(source);
  el_val_t stmts = parse(tokens);
  el_release(tokens);
  el_val_t runtime_content = fs_read(runtime_path);
  if (str_eq(runtime_content, EL_STR(""))) {
    println(el_str_concat(EL_STR("el-compiler: warning: --bundle: could not read runtime at "), runtime_path));
    println(EL_STR("el-compiler: warning: bundle output will be incomplete"));
  }
  return codegen_js_bundle(stmts, source, runtime_content);
  return 0;
}

el_val_t compile_dispatch(el_val_t tgt, el_val_t source) {
  if (str_eq(tgt, EL_STR("js"))) {
    return compile_js(source);
  }
  return compile(source);
  return 0;
}

el_val_t compile_dispatch_bundle(el_val_t tgt, el_val_t source, el_val_t runtime_path) {
  if (str_eq(tgt, EL_STR("js"))) {
    return compile_js_with_bundle(source, runtime_path);
  }
  return compile(source);
  return 0;
}

el_val_t detect_target(el_val_t argv) {
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (str_starts_with(a, EL_STR("--target="))) {
      el_val_t v = str_slice(a, 9, str_len(a));
      return v;
    }
    i = (i + 1);
  }
  return EL_STR("c");
  return 0;
}

el_val_t strip_flags(el_val_t argv) {
  el_val_t out = native_list_empty();
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (!str_starts_with(a, EL_STR("--"))) {
      out = native_list_append(out, a);
    }
    i = (i + 1);
  }
  return out;
  return 0;
}

el_val_t detect_emit_header(el_val_t argv) {
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (str_eq(a, EL_STR("--emit-header"))) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t detect_bundle(el_val_t argv) {
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (str_eq(a, EL_STR("--bundle"))) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t detect_minify(el_val_t argv) {
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (str_eq(a, EL_STR("--minify"))) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t detect_obfuscate(el_val_t argv) {
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (str_eq(a, EL_STR("--obfuscate"))) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t detect_test(el_val_t argv) {
  el_val_t n = native_list_len(argv);
  el_val_t i = 0;
  while (i < n) {
    el_val_t a = native_list_get(argv, i);
    if (str_eq(a, EL_STR("--test"))) {
      return 1;
    }
    i = (i + 1);
  }
  return 0;
  return 0;
}

el_val_t make_temp_path(el_val_t suffix) {
  el_val_t pid = getpid_now();
  el_val_t ts = time_now();
  return el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("/tmp/elc-"), native_int_to_str(pid)), EL_STR("-")), native_int_to_str(ts)), EL_STR(".")), suffix);
  return 0;
}

el_val_t js_reserved_names(void) {
  return EL_STR("neuronDemoToggle,neuronDemoSend,neuronDemoReset,signInWith,signInWithEmail,signUpWithEmail,sendMagicLink,signOut,resetPassword,sendResetEmail,updatePassword,showSignIn,showSignUp,hideReset,setSort,addFamilyMember,removeFamilyMember,copyForPlatform,entHeadcountChange,NEURON_CFG");
  return 0;
}

el_val_t find_node_tool(el_val_t tool_name, el_val_t src_dir) {
  el_val_t cand1 = el_str_concat(el_str_concat(src_dir, EL_STR("/node_modules/.bin/")), tool_name);
  el_val_t check1 = str_trim(exec_capture(el_str_concat(el_str_concat(EL_STR("test -x "), cand1), EL_STR(" && echo yes 2>/dev/null"))));
  if (str_eq(check1, EL_STR("yes"))) {
    return cand1;
  }
  el_val_t parent_dir = dirname_of(src_dir);
  el_val_t cand2 = el_str_concat(el_str_concat(parent_dir, EL_STR("/node_modules/.bin/")), tool_name);
  el_val_t check2 = str_trim(exec_capture(el_str_concat(el_str_concat(EL_STR("test -x "), cand2), EL_STR(" && echo yes 2>/dev/null"))));
  if (str_eq(check2, EL_STR("yes"))) {
    return cand2;
  }
  el_val_t npx_path = str_trim(exec_capture(EL_STR("which npx 2>/dev/null")));
  if (!str_eq(npx_path, EL_STR(""))) {
    return el_str_concat(EL_STR("npx --yes "), tool_name);
  }
  return EL_STR("");
  return 0;
}

el_val_t apply_minify(el_val_t js_path, el_val_t out_path, el_val_t src_dir) {
  el_val_t terser = find_node_tool(EL_STR("terser"), src_dir);
  if (str_eq(terser, EL_STR(""))) {
    println(EL_STR("el-compiler: error: terser not found. Run 'npm install terser' in your project directory."));
    return 0;
  }
  el_val_t names = js_reserved_names();
  el_val_t compress_opts = EL_STR("passes=2,drop_console=false,drop_debugger=true");
  el_val_t mangle_reserved = el_str_concat(el_str_concat(EL_STR("'reserved=["), names), EL_STR("]'"));
  el_val_t cmd = el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(terser, EL_STR(" ")), js_path), EL_STR(" --compress ")), compress_opts), EL_STR(" --mangle ")), mangle_reserved), EL_STR(" --output ")), out_path);
  el_val_t ret = exec_command(cmd);
  if (ret == 0) {
    return 1;
  }
  println(el_str_concat(el_str_concat(EL_STR("el-compiler: error: terser failed (exit "), native_int_to_str(ret)), EL_STR(")")));
  return 0;
  return 0;
}

el_val_t apply_obfuscate(el_val_t js_path, el_val_t out_path, el_val_t src_dir) {
  el_val_t obfuscator = find_node_tool(EL_STR("javascript-obfuscator"), src_dir);
  if (str_eq(obfuscator, EL_STR(""))) {
    println(EL_STR("el-compiler: error: javascript-obfuscator not found. Run 'npm install javascript-obfuscator' in your project directory."));
    return 0;
  }
  el_val_t names = js_reserved_names();
  el_val_t cmd = el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(obfuscator, EL_STR(" ")), js_path), EL_STR(" --output ")), out_path), EL_STR(" --compact true --simplify true --string-array true --string-array-encoding base64 --string-array-threshold 0.75 --identifier-names-generator hexadecimal --rename-globals false --self-defending false --reserved-names ")), names);
  el_val_t ret = exec_command(cmd);
  if (ret == 0) {
    return 1;
  }
  println(el_str_concat(el_str_concat(EL_STR("el-compiler: error: javascript-obfuscator failed (exit "), native_int_to_str(ret)), EL_STR(")")));
  return 0;
  return 0;
}

el_val_t resolve_runtime_path(el_val_t src_path) {
  el_val_t src_dir = dirname_of(src_path);
  el_val_t candidate = el_str_concat(src_dir, EL_STR("/el_runtime.js"));
  el_val_t existing = fs_read(candidate);
  if (!str_eq(existing, EL_STR(""))) {
    return candidate;
  }
  return EL_STR("");
  return 0;
}

el_val_t type_node_to_el(el_val_t t) {
  el_val_t k = el_get_field(t, EL_STR("kind"));
  if (str_eq(k, EL_STR("Simple"))) {
    return el_get_field(t, EL_STR("name"));
  }
  if (str_eq(k, EL_STR("List"))) {
    el_val_t inner = type_node_to_el(el_get_field(t, EL_STR("inner")));
    return el_str_concat(el_str_concat(EL_STR("["), inner), EL_STR("]"));
  }
  if (str_eq(k, EL_STR("Map"))) {
    el_val_t kt = type_node_to_el(el_get_field(t, EL_STR("key")));
    el_val_t vt = type_node_to_el(el_get_field(t, EL_STR("val")));
    return el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("Map<"), kt), EL_STR(", ")), vt), EL_STR(">"));
  }
  return EL_STR("Any");
  return 0;
}

/* ── emit_header_from_tokens ─────────────────────────────────────────────────
 * Token-based header emitter. Scans the token stream for `fn` definitions
 * using brace-depth counting (same strategy as scan_fn_sigs) so large
 * HTML-template functions like page_open() don't cause the parser to consume
 * subsequent function definitions.
 *
 * Replaces the parse()-based emit_header for the --emit-header code path.
 */
el_val_t emit_header_from_tokens(el_val_t tokens, el_val_t hdr_path) {
  el_val_t total = (native_list_len(tokens) / 2);
  el_val_t pos = 0;
  el_val_t parts = native_list_empty();
  parts = native_list_append(parts, EL_STR("// auto-generated by elc --emit-header \xe2\x80\x94 do not edit\n"));
  while (pos < total) {
    el_val_t k = tok_kind(tokens, pos);
    if (str_eq(k, EL_STR("Eof"))) {
      pos = total;
    } else {
      if (str_eq(k, EL_STR("Fn"))) {
        el_val_t p = (pos + 1);
        el_val_t name = tok_value(tokens, p);
        p = (p + 1);
        /* Scan El-format params: collect "name: Type" pairs */
        el_val_t param_parts = native_list_empty();
        p = expect(tokens, p, EL_STR("LParen"));
        el_val_t going = 1;
        while (going) {
          el_val_t pk = tok_kind(tokens, p);
          if (str_eq(pk, EL_STR("RParen"))) {
            going = 0;
          } else {
            if (str_eq(pk, EL_STR("Eof"))) {
              going = 0;
            } else {
              el_val_t pname = tok_value(tokens, p);
              p = (p + 1);
              p = expect(tokens, p, EL_STR("Colon"));
              el_val_t type_name = EL_STR("Any");
              el_val_t type_k = tok_kind(tokens, p);
              if (str_eq(type_k, EL_STR("Ident"))) {
                type_name = tok_value(tokens, p);
              }
              p = skip_type(tokens, p);
              param_parts = native_list_append(param_parts, el_str_concat(el_str_concat(pname, EL_STR(": ")), type_name));
              el_val_t ck = tok_kind(tokens, p);
              if (str_eq(ck, EL_STR("Comma"))) {
                p = (p + 1);
              }
            }
          }
        }
        p = expect(tokens, p, EL_STR("RParen"));
        el_val_t params_el = str_join(param_parts, EL_STR(", "));
        el_release(param_parts);
        /* Capture return type */
        el_val_t ret_str = EL_STR("Any");
        el_val_t rk = tok_kind(tokens, p);
        if (str_eq(rk, EL_STR("Arrow"))) {
          p = (p + 1);
          el_val_t rtk = tok_kind(tokens, p);
          if (str_eq(rtk, EL_STR("Ident"))) {
            ret_str = tok_value(tokens, p);
          }
          p = skip_type(tokens, p);
        }
        /* Skip function body using brace depth (same as scan_fn_sigs) */
        el_val_t bk = tok_kind(tokens, p);
        if (str_eq(bk, EL_STR("LBrace"))) {
          p = skip_to_rbrace(tokens, p);
        }
        if (!str_eq(name, EL_STR("main"))) {
          el_val_t sig = el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("extern fn "), name), EL_STR("(")), params_el), EL_STR(") -> ")), ret_str);
          parts = native_list_append(parts, el_str_concat(sig, EL_STR("\n")));
        }
        pos = p;
      } else {
        pos = (pos + 1);
      }
    }
  }
  el_val_t content = str_join(parts, EL_STR(""));
  el_release(parts);
  el_val_t ok = fs_write(hdr_path, content);
  return 0;
}

el_val_t emit_header(el_val_t stmts, el_val_t hdr_path) {
  el_val_t n = native_list_len(stmts);
  el_val_t i = 0;
  el_val_t parts = native_list_empty();
  parts = native_list_append(parts, EL_STR("// auto-generated by elc --emit-header \xe2\x80\x94 do not edit\n"));
  while (i < n) {
    el_val_t stmt = native_list_get(stmts, i);
    el_val_t kind = el_get_field(stmt, EL_STR("stmt"));
    if (str_eq(kind, EL_STR("FnDef"))) {
      el_val_t name = el_get_field(stmt, EL_STR("name"));
      if (!str_eq(name, EL_STR("main"))) {
        el_val_t params = el_get_field(stmt, EL_STR("params"));
        el_val_t ret_type = el_get_field(stmt, EL_STR("ret_type"));
        el_val_t np = native_list_len(params);
        el_val_t pi = 0;
        el_val_t param_parts = native_list_empty();
        while (pi < np) {
          el_val_t param = native_list_get(params, pi);
          el_val_t pname = el_get_field(param, EL_STR("name"));
          el_val_t ptype = el_get_field(param, EL_STR("type"));
          if (str_eq(ptype, EL_STR(""))) {
            ptype = EL_STR("Any");
          }
          param_parts = native_list_append(param_parts, el_str_concat(el_str_concat(pname, EL_STR(": ")), ptype));
          pi = (pi + 1);
        }
        el_val_t params_str = str_join(param_parts, EL_STR(", "));
        el_val_t ret_str = ret_type;
        if (str_eq(ret_str, EL_STR(""))) {
          ret_str = EL_STR("Any");
        }
        el_val_t sig = el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("extern fn "), name), EL_STR("(")), params_str), EL_STR(") -> ")), ret_str);
        parts = native_list_append(parts, el_str_concat(sig, EL_STR("\n")));
      }
    }
    i = (i + 1);
  }
  el_val_t content = str_join(parts, EL_STR(""));
  el_val_t ok = fs_write(hdr_path, content);
  return 0;
}

el_val_t dirname_of(el_val_t path) {
  el_val_t n = str_len(path);
  el_val_t i = (n - 1);
  while (i >= 0) {
    el_val_t c = str_slice(path, i, (i + 1));
    if (str_eq(c, EL_STR("/"))) {
      return str_slice(path, 0, i);
    }
    i = (i - 1);
  }
  return EL_STR(".");
  return 0;
}

el_val_t parse_import_line(el_val_t trimmed, el_val_t dir) {
  if (str_starts_with(trimmed, EL_STR("import \""))) {
    el_val_t after = str_slice(trimmed, 8, str_len(trimmed));
    el_val_t q = str_index_of(after, EL_STR("\""));
    if (q > 0) {
      el_val_t mod = str_slice(after, 0, q);
      return el_str_concat(el_str_concat(dir, EL_STR("/")), mod);
    }
  }
  if (str_starts_with(trimmed, EL_STR("from "))) {
    el_val_t after = str_slice(trimmed, 5, str_len(trimmed));
    el_val_t sp = str_index_of(after, EL_STR(" "));
    if (sp > 0) {
      el_val_t mod_raw = str_slice(after, 0, sp);
      el_val_t mod = str_trim(mod_raw);
      if (!str_eq(mod, EL_STR(""))) {
        return el_str_concat(el_str_concat(el_str_concat(dir, EL_STR("/")), mod), EL_STR(".el"));
      }
    }
  }
  return EL_STR("");
  return 0;
}

el_val_t resolve_imports(el_val_t src_path) {
  el_val_t seen_key = el_str_concat(EL_STR("__elc_imp__:"), src_path);
  el_val_t already = state_get(seen_key);
  if (!str_eq(already, EL_STR(""))) {
    return EL_STR("");
  }
  state_set(seen_key, EL_STR("1"));
  el_val_t source = fs_read(src_path);
  el_val_t dir = dirname_of(src_path);
  el_val_t lines = str_split(source, EL_STR("\n"));
  el_val_t n = native_list_len(lines);
  el_val_t prefix_chunks = native_list_empty();
  el_val_t body_chunks = native_list_empty();
  el_val_t i = 0;
  while (i < n) {
    el_val_t line = native_list_get(lines, i);
    el_val_t trimmed = str_trim(line);
    el_val_t imp_path = parse_import_line(trimmed, dir);
    if (!str_eq(imp_path, EL_STR(""))) {
      el_val_t imp_elh_path = el_str_concat(str_slice(imp_path, 0, (str_len(imp_path) - 3)), EL_STR(".elh"));
      el_val_t imp_elh = fs_read(imp_elh_path);
      if (!str_eq(imp_elh, EL_STR(""))) {
        el_val_t seen_imp_key = el_str_concat(EL_STR("__elc_imp__:"), imp_path);
        state_set(seen_imp_key, EL_STR("1"));
        prefix_chunks = native_list_append(prefix_chunks, imp_elh);
      } else {
        el_val_t imp_body = resolve_imports(imp_path);
        prefix_chunks = native_list_append(prefix_chunks, imp_body);
      }
    } else {
      body_chunks = native_list_append(body_chunks, el_str_concat(line, EL_STR("\n")));
    }
    i = (i + 1);
  }
  return el_str_concat(str_join(prefix_chunks, EL_STR("")), str_join(body_chunks, EL_STR("")));
  return 0;
}

el_val_t run_with_postprocess(el_val_t tgt, el_val_t source, el_val_t src_path, el_val_t do_bundle, el_val_t do_obfuscate, el_val_t argc, el_val_t positional) {
  el_val_t src_dir = dirname_of(src_path);
  el_val_t tmp_gen = make_temp_path(EL_STR("js"));
  el_val_t tmp_min = make_temp_path(EL_STR("min.js"));
  stdout_to_file(tmp_gen);
  if (do_bundle) {
    el_val_t runtime_path = resolve_runtime_path(src_path);
    compile_dispatch_bundle(tgt, source, runtime_path);
  } else {
    compile_dispatch(tgt, source);
  }
  stdout_restore();
  el_val_t ok_min = apply_minify(tmp_gen, tmp_min, src_dir);
  if (!ok_min) {
    exec_command(el_str_concat(el_str_concat(el_str_concat(EL_STR("rm -f "), tmp_gen), EL_STR(" ")), tmp_min));
    exit(1);
  }
  state_set(EL_STR("__elc_final_js"), tmp_min);
  if (do_obfuscate) {
    el_val_t tmp_obf = make_temp_path(EL_STR("obf.js"));
    el_val_t ok_obf = apply_obfuscate(tmp_min, tmp_obf, src_dir);
    if (!ok_obf) {
      exec_command(el_str_concat(el_str_concat(el_str_concat(el_str_concat(el_str_concat(EL_STR("rm -f "), tmp_gen), EL_STR(" ")), tmp_min), EL_STR(" ")), tmp_obf));
      exit(1);
    }
    state_set(EL_STR("__elc_final_js"), tmp_obf);
  }
  el_val_t final_path = state_get(EL_STR("__elc_final_js"));
  el_val_t final_js = fs_read(final_path);
  exec_command(el_str_concat(el_str_concat(el_str_concat(EL_STR("rm -f "), tmp_gen), EL_STR(" ")), tmp_min));
  if (do_obfuscate) {
    exec_command(el_str_concat(EL_STR("rm -f "), final_path));
  }
  if (argc >= 2) {
    el_val_t out_path = native_list_get(positional, 1);
    el_val_t ok = fs_write(out_path, final_js);
    if (ok) {
      return 0;
    } else {
      println(EL_STR("el-compiler: failed to write output"));
      exit(1);
    }
  }
  print(final_js);
  return 0;
}

int main(int _argc, char** _argv) {
  el_runtime_init_args(_argc, _argv);
  el_val_t argv = args();
  el_val_t tgt = detect_target(argv);
  el_val_t do_emit_header = detect_emit_header(argv);
  el_val_t do_bundle = detect_bundle(argv);
  el_val_t do_minify = detect_minify(argv);
  el_val_t do_obfuscate = detect_obfuscate(argv);
  el_val_t do_test = detect_test(argv);
  if (do_obfuscate) {
    do_minify = 1;
  }
  el_val_t positional = strip_flags(argv);
  el_val_t argc = native_list_len(positional);
  if (argc < 1) {
    println(EL_STR("el-compiler: usage: elc [--target=c|js] [--bundle] [--minify] [--obfuscate] [--emit-header] [--test] <source.el> [<output>]"));
    exit(1);
  }
  if (do_minify) {
    if (!str_eq(tgt, EL_STR("js"))) {
      println(EL_STR("el-compiler: error: --minify and --obfuscate require --target=js"));
      exit(1);
    }
  }
  el_val_t src_path = native_list_get(positional, 0);
  if (do_emit_header) {
    el_val_t raw_source = fs_read(src_path);
    el_val_t hdr_tokens = lex(raw_source);
    el_val_t hdr_path = el_str_concat(str_slice(src_path, 0, (str_len(src_path) - 3)), EL_STR(".elh"));
    emit_header_from_tokens(hdr_tokens, hdr_path);
    el_release(hdr_tokens);
  }
  el_val_t source = resolve_imports(src_path);
  if (do_minify) {
    run_with_postprocess(tgt, source, src_path, do_bundle, do_obfuscate, argc, positional);
    exit(0);
  }
  if (do_test) {
    compile_test(source);
    exit(0);
  }
  el_val_t out = EL_STR("");
  if (do_bundle) {
    el_val_t runtime_path = resolve_runtime_path(src_path);
    out = compile_dispatch_bundle(tgt, source, runtime_path);
  } else {
    out = compile_dispatch(tgt, source);
  }
  if (argc >= 2) {
    el_val_t out_path = native_list_get(positional, 1);
    el_val_t ok = fs_write(out_path, out);
    if (ok) {
      exit(0);
    } else {
      println(EL_STR("el-compiler: failed to write output"));
      exit(1);
    }
  }
  return 0;
}