bigmerge
cbef1c1ebb
PREDICTIONS AND RESULTS
P1 is_int_call's 35 hardcoded names move to data TRUE
P2 is_int_name stays -- it is annotation propagation TRUE
P3 the dispatch stays -- it is emission TRUE
P4 codegen shrinks ~40 lines TRUE 4507 -> 4469
P5 the design doc's characterisation is WRONG TRUE
P6 the moved data also fixes the bug it exposed TRUE
P5 CORRECTS THE RECORD. el-language-design.md and geometry-vs-code.md both cite
"== lowering to str_eq unless both operand names are in a hardcoded int-name
set -- a literal list of variable names treated as integers" as the paradigm
defect. It is not one. __int_names is populated from TYPE ANNOTATIONS
(param["type"] == "Int"), which is primitive but legitimate type propagation.
The actual defect was is_int_call: 35 hardcoded builtin return types, the same
shape as the temporal 19.
P6 IS A LIVE CORRECTNESS BUG, PRE-EXISTING, NOW FIXED
let a = str_len("hello") // no annotation
let b = str_len("hi")
let c = a + b // -> el_str_concat(a, b) on two integers
Verified identical on the pre-change compiler, so not a regression. It compiled
clean, ran, and printed NOTHING where it should print 7. No error at any layer.
The repair is three lines: an unannotated let takes its type from what the
initialiser returns. The return types were already required for dispatch and
were simply never consulted at the binding site. Moving them into data is what
made the gap visible -- reading the code for eight hours did not.
98/98 native + 2 new, 31/31 integration, fixpoint ok.
74 lines
3.0 KiB
Plaintext
74 lines
3.0 KiB
Plaintext
# signatures.rel — El-level return types for runtime builtins.
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#
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# el_runtime.h declares every builtin as returning el_val_t, because El has ONE
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# type. That single type is why the whole seam is cheap, and it is also why the
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# header cannot say that now() returns an Instant while unix_seconds() returns
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# an Int. The El-level type is real and the C boundary erases it.
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#
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# So the compiler needs this, and unlike the other checks it needs it at
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# EMISSION time: Instant + Duration must become el_instant_add_dur, and that is
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# dispatch, not adjudication. What moved here is the DATA -- previously 19
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# hardcoded names across two functions in codegen.el. What stays in the emitter
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# is choosing which call to emit, which is an emitter's actual job.
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#
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# <builtin> returns <El type>
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now returns Instant
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el_now_instant returns Instant
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unix_seconds returns Instant
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unix_millis returns Instant
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instant_from_iso8601 returns Instant
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el_instant_add_dur returns Instant
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el_instant_sub_dur returns Instant
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el_duration_from_nanos returns Duration
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duration_seconds returns Duration
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duration_millis returns Duration
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duration_nanos returns Duration
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el_instant_diff returns Duration
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el_duration_add returns Duration
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el_duration_sub returns Duration
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el_duration_scale returns Duration
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el_duration_div returns Duration
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ttl_cache_age returns Duration
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# Int-returning builtins. Previously 35 hardcoded names in is_int_call().
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# These decide whether `a + b` is arithmetic or concatenation, so the
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# compiler reads them at emission time -- dispatch, not adjudication.
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str_len returns Int
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str_index_of returns Int
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str_to_int returns Int
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str_char_code returns Int
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str_count returns Int
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str_count_chars returns Int
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str_count_bytes returns Int
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str_count_lines returns Int
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str_count_words returns Int
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str_count_letters returns Int
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str_count_digits returns Int
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str_last_index_of returns Int
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str_find_chars returns Int
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native_list_len returns Int
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el_list_len returns Int
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len returns Int
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json_get_int returns Int
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json_array_len returns Int
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engram_node_count returns Int
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engram_edge_count returns Int
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time_now returns Int
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time_now_utc returns Int
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time_diff returns Int
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time_add returns Int
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time_from_parts returns Int
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el_abs returns Int
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el_max returns Int
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el_min returns Int
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float_to_int returns Int
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unix_timestamp returns Int
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instant_to_unix_seconds returns Int
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instant_to_unix_millis returns Int
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duration_to_seconds returns Int
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duration_to_millis returns Int
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duration_to_nanos returns Int
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