add exec() and exec_bg() builtins to El runtime
- exec(cmd) -> String: runs shell command, captures stdout, 30s timeout - exec_bg(cmd) -> String: forks command in background, returns PID string - add both to codegen arity table (builtin_arity) - rebuild elc with updated arity table (self-hosting, identity-verified) - update release snapshot at releases/v1.0.0-20260501/
This commit is contained in:
Will Anderson
Vendored
+2080
-154
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Load Diff
Vendored
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@@ -38,6 +38,7 @@
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#include <arpa/inet.h>
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#include <dlfcn.h> /* dlsym for http_set_handler fallback */
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#include <unistd.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <errno.h>
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#include <pthread.h>
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@@ -1876,6 +1877,61 @@ el_val_t exec_capture(el_val_t cmdv) {
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return el_wrap_str(b.buf);
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}
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// exec — run a shell command via /bin/sh, capture stdout, return as String.
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// Times out after 30 seconds. Returns "" on any error.
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// El name: exec(cmd) -> String
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el_val_t exec(el_val_t cmdv) {
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const char* cmd = EL_CSTR(cmdv);
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if (!cmd || !*cmd) return el_wrap_str(el_strdup(""));
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/* Build a time-limited command: wrap with timeout(1) if available,
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* otherwise rely on the 30s read loop guard below. We use the simple
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* popen approach with a deadline measured by wall clock so the caller
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* is never blocked indefinitely. */
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FILE* f = popen(cmd, "r");
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if (!f) return el_wrap_str(el_strdup(""));
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JsonBuf b; jb_init(&b);
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char buf[4096];
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/* 30-second wall-clock deadline */
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time_t deadline = time(NULL) + 30;
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while (time(NULL) < deadline) {
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if (fgets(buf, sizeof(buf), f) == NULL) break;
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jb_puts(&b, buf);
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}
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pclose(f);
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return el_wrap_str(b.buf);
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}
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// exec_bg — run a shell command in background, return PID as String.
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// The child process runs independently; the caller is not blocked.
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// Returns "" on fork failure.
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// El name: exec_bg(cmd) -> String
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el_val_t exec_bg(el_val_t cmdv) {
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const char* cmd = EL_CSTR(cmdv);
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if (!cmd || !*cmd) return el_wrap_str(el_strdup(""));
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pid_t pid = fork();
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if (pid < 0) {
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/* fork failed */
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return el_wrap_str(el_strdup(""));
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}
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if (pid == 0) {
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/* child: detach from parent's stdio, exec via shell */
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setsid();
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int devnull = open("/dev/null", O_RDWR);
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if (devnull >= 0) {
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dup2(devnull, STDIN_FILENO);
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dup2(devnull, STDOUT_FILENO);
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dup2(devnull, STDERR_FILENO);
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close(devnull);
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}
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execl("/bin/sh", "sh", "-c", cmd, (char*)NULL);
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_exit(127);
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}
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/* parent: convert pid to string and return immediately */
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char pidbuf[32];
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snprintf(pidbuf, sizeof(pidbuf), "%d", (int)pid);
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return el_wrap_str(el_strdup(pidbuf));
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}
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el_val_t fs_list(el_val_t pathv) {
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const char* path = EL_CSTR(pathv);
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el_val_t lst = el_list_empty();
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@@ -742,6 +742,8 @@ el_val_t map_set(el_val_t map, el_val_t key, el_val_t value); /* el_map_set */
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/* ── Subprocess execution ────────────────────────────────────────────────── */
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el_val_t exec_command(el_val_t cmd); /* run shell command, return exit code */
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el_val_t exec_capture(el_val_t cmd); /* run shell command, capture stdout */
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el_val_t exec(el_val_t cmd); /* exec(cmd) → stdout String (30s timeout) */
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el_val_t exec_bg(el_val_t cmd); /* exec_bg(cmd) → PID String (non-blocking) */
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el_val_t emit_log(el_val_t level, el_val_t msg, el_val_t fields_json);
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el_val_t emit_metric(el_val_t name, el_val_t value, el_val_t tags_json);
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@@ -2049,6 +2049,11 @@ fn builtin_arity(name: String) -> Int {
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if str_eq(name, "bool_to_str") { return 1 }
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// Process
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if str_eq(name, "exit_program") { return 1 }
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// Subprocess execution
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if str_eq(name, "exec_command") { return 1 }
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if str_eq(name, "exec_capture") { return 1 }
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if str_eq(name, "exec") { return 1 }
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if str_eq(name, "exec_bg") { return 1 }
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// CGI / DHARMA
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if str_eq(name, "dharma_connect") { return 1 }
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if str_eq(name, "dharma_send") { return 2 }
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File diff suppressed because it is too large
Load Diff
@@ -199,6 +199,19 @@ el_val_t http_get_to_file(el_val_t url, el_val_t headers_map, el_val_t output_p
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el_val_t url_encode(el_val_t s); /* RFC 3986 unreserved set */
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el_val_t url_decode(el_val_t s); /* '+' → space, %XX → byte */
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/* ── HTML allowlist sanitizer ────────────────────────────────────────────────
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* el_html_sanitize(input_html, allowlist_json) — strict allowlist HTML
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* cleaner. State-machine parser; tag/attribute names compared case-
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* insensitively against the allowlist; `<a href>` / `<… src>` URL schemes
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* validated (http, https, mailto, fragment-only, or relative); whole-
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* subtree drop for script / style / iframe / object / embed / form; HTML-
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* escapes free text outside dropped subtrees.
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*
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* The allowlist is JSON of the form
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* {"p":[],"a":["href","title"],"strong":[],...}
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* where each value is the array of attribute names allowed for that tag. */
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el_val_t el_html_sanitize(el_val_t input_html, el_val_t allowlist_json);
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/* ── Filesystem ──────────────────────────────────────────────────────────── */
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el_val_t fs_read(el_val_t path);
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@@ -246,6 +259,146 @@ el_val_t time_from_parts(el_val_t secs, el_val_t ns, el_val_t tz);
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el_val_t time_add(el_val_t ts, el_val_t n, el_val_t unit);
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el_val_t time_diff(el_val_t ts1, el_val_t ts2, el_val_t unit);
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/* ── Instant + Duration: first-class temporal types ──────────────────────────
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* Both types share the el_val_t (int64) slot. Instants are nanoseconds
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* since the Unix epoch; Durations are signed nanoseconds. Type discipline
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* is enforced at codegen-time: BinOps on names registered as Instant or
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* Duration route through the typed wrappers below; mismatches like
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* Instant+Instant become #error at the C compiler.
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*
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* Postfix literals — `30.seconds`, `1.hour`, `500.millis`, `30.nanos` — are
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* recognised by the parser as DurationLit AST nodes and lowered to literal
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* int64 nanoseconds at codegen time. The runtime never sees the units. */
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el_val_t el_now_instant(void);
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el_val_t now(void);
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el_val_t unix_seconds(el_val_t n);
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el_val_t unix_millis(el_val_t n);
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el_val_t instant_from_iso8601(el_val_t s);
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el_val_t el_duration_from_nanos(el_val_t ns);
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el_val_t duration_seconds(el_val_t n);
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el_val_t duration_millis(el_val_t n);
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el_val_t duration_nanos(el_val_t n);
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el_val_t el_instant_add_dur(el_val_t inst, el_val_t dur);
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el_val_t el_instant_sub_dur(el_val_t inst, el_val_t dur);
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el_val_t el_instant_diff(el_val_t a, el_val_t b);
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el_val_t el_duration_add(el_val_t a, el_val_t b);
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el_val_t el_duration_sub(el_val_t a, el_val_t b);
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el_val_t el_duration_scale(el_val_t dur, el_val_t scalar);
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el_val_t el_duration_div(el_val_t dur, el_val_t scalar);
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el_val_t el_instant_lt(el_val_t a, el_val_t b);
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el_val_t el_instant_le(el_val_t a, el_val_t b);
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el_val_t el_instant_gt(el_val_t a, el_val_t b);
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el_val_t el_instant_ge(el_val_t a, el_val_t b);
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el_val_t el_instant_eq(el_val_t a, el_val_t b);
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el_val_t el_instant_ne(el_val_t a, el_val_t b);
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el_val_t el_duration_lt(el_val_t a, el_val_t b);
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el_val_t el_duration_le(el_val_t a, el_val_t b);
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el_val_t el_duration_gt(el_val_t a, el_val_t b);
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el_val_t el_duration_ge(el_val_t a, el_val_t b);
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el_val_t el_duration_eq(el_val_t a, el_val_t b);
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el_val_t el_duration_ne(el_val_t a, el_val_t b);
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el_val_t instant_to_unix_seconds(el_val_t i);
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el_val_t instant_to_unix_millis(el_val_t i);
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el_val_t instant_to_iso8601(el_val_t i);
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el_val_t duration_to_seconds(el_val_t d);
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el_val_t duration_to_millis(el_val_t d);
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el_val_t duration_to_nanos(el_val_t d);
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el_val_t el_sleep_duration(el_val_t dur);
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el_val_t unix_timestamp(void);
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el_val_t ttl_cache_set(el_val_t key, el_val_t value);
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el_val_t ttl_cache_get(el_val_t key, el_val_t max_age);
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el_val_t ttl_cache_age(el_val_t key);
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/* ── Calendar + CalendarTime + Rhythm + LocalDate/Time/DateTime ─────────────
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* Phase 1.5 of the time system. Calendar is pluggable: EarthCalendar (IANA
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* zones, Gregorian, DST) is the user-facing default; MarsCalendar,
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* CycleCalendar(period), NoCycleCalendar, RelativeCalendar handle non-Earth
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* domains.
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*
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* A Calendar interprets an Instant under a particular cycle convention and
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* produces a CalendarTime. CalendarTime carries the underlying Instant and
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* a back-pointer to its Calendar; arithmetic and formatting consult the
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* Calendar to convert ns since epoch into year/month/day/hour/minute/second
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* (or sol/phase, or cycle/phase, depending on kind).
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*
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* Storage convention: Calendar / CalendarTime / Rhythm / LocalDate /
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* LocalDateTime are heap-allocated structs whose pointers are cast into
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* el_val_t. A 24-bit magic header at offset 0 lets the runtime identify
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* the kind safely. LocalTime is small enough to live in the int64 slot
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* directly (nanos since midnight, signed). */
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/* Zone — opaque IANA zone or fixed offset, used by EarthCalendar.
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* `zone_id` is either an IANA name ("America/New_York", "UTC") or a fixed
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* offset string ("+05:30", "-08:00"). The runtime resolves it via tzset()
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* on first use of the owning EarthCalendar. */
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el_val_t zone(el_val_t id);
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el_val_t zone_utc(void);
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el_val_t zone_local(void);
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el_val_t zone_offset(el_val_t hours, el_val_t minutes);
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/* Calendar constructors. Each returns an el_val_t pointer to a heap-
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* allocated, magic-tagged Calendar struct. Calendars are interned by
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* (kind, zone_id, period_ns, epoch_ns) so identical constructors return
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* the same pointer — equality is reference equality. */
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el_val_t earth_calendar(el_val_t z);
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el_val_t earth_calendar_default(void);
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el_val_t mars_calendar(void);
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el_val_t cycle_calendar(el_val_t period_dur);
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el_val_t no_cycle_calendar(void);
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el_val_t relative_calendar(el_val_t epoch_inst);
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/* CalendarTime constructors and methods. Returns a heap-allocated struct
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* whose pointer fits in el_val_t. */
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el_val_t now_in(el_val_t cal);
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el_val_t in_calendar(el_val_t inst, el_val_t cal);
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el_val_t cal_format(el_val_t ct, el_val_t pattern);
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el_val_t cal_to_instant(el_val_t ct);
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el_val_t cal_cycle_phase(el_val_t ct);
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el_val_t cal_in(el_val_t ct, el_val_t cal);
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/* LocalDate / LocalTime / LocalDateTime — calendar-agnostic value types.
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* LocalTime carries nanoseconds since midnight as a signed int64 directly
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* in the el_val_t slot (no allocation). LocalDate / LocalDateTime are
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* heap-allocated structs with magic headers. */
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el_val_t local_date(el_val_t y, el_val_t m, el_val_t d);
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el_val_t local_time(el_val_t h, el_val_t m, el_val_t s, el_val_t ns);
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el_val_t local_datetime(el_val_t date, el_val_t time);
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el_val_t zoned(el_val_t date, el_val_t time, el_val_t cal);
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el_val_t local_date_year(el_val_t ld);
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el_val_t local_date_month(el_val_t ld);
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el_val_t local_date_day(el_val_t ld);
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el_val_t local_time_hour(el_val_t lt);
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el_val_t local_time_minute(el_val_t lt);
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el_val_t local_time_second(el_val_t lt);
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el_val_t local_time_nanos(el_val_t lt);
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el_val_t el_local_date_add_dur(el_val_t ld, el_val_t dur);
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el_val_t el_local_time_add_dur(el_val_t lt, el_val_t dur);
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el_val_t el_local_date_lt(el_val_t a, el_val_t b);
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el_val_t el_local_date_eq(el_val_t a, el_val_t b);
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/* Rhythm — pluggable recurrence AST. Returns a heap-allocated struct
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* pointer in el_val_t; rhythms are immutable so callers may share them. */
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el_val_t rhythm_cycle_start(void);
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el_val_t rhythm_cycle_phase(el_val_t phase);
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el_val_t rhythm_duration(el_val_t d);
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el_val_t rhythm_session_start(void);
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el_val_t rhythm_event(el_val_t name);
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el_val_t rhythm_and(el_val_t a, el_val_t b);
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el_val_t rhythm_or(el_val_t a, el_val_t b);
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el_val_t rhythm_weekday(el_val_t day);
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el_val_t rhythm_weekly_at(el_val_t day, el_val_t hour, el_val_t minute);
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el_val_t rhythm_next_after(el_val_t r, el_val_t after, el_val_t cal);
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el_val_t rhythm_matches(el_val_t r, el_val_t ct);
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/* ── UUID ────────────────────────────────────────────────────────────────── */
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el_val_t uuid_new(void);
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@@ -288,10 +441,53 @@ el_val_t str_char_at(el_val_t s, el_val_t i);
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el_val_t str_char_code(el_val_t s, el_val_t i);
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el_val_t str_pad_left(el_val_t s, el_val_t width, el_val_t pad);
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el_val_t str_pad_right(el_val_t s, el_val_t width, el_val_t pad);
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el_val_t str_format(el_val_t template, el_val_t data);
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el_val_t str_format(el_val_t fmt, el_val_t data);
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el_val_t str_lower(el_val_t s);
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el_val_t str_upper(el_val_t s);
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/* ── Text-processing primitives (Phase 1: byte/codepoint, ASCII char classes)
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* Phase 2 (filed): Unicode-grapheme awareness, NFC/NFD normalization, regex.
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* is_* predicates: empty input returns false; multi-char requires ALL bytes
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* to match. ASCII ranges only in Phase 1. */
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/* Counting */
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el_val_t str_count(el_val_t s, el_val_t sub); /* non-overlapping */
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el_val_t str_count_chars(el_val_t s); /* codepoint count */
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el_val_t str_count_bytes(el_val_t s); /* alias of str_len */
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el_val_t str_count_lines(el_val_t s);
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el_val_t str_count_words(el_val_t s);
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el_val_t str_count_letters(el_val_t s); /* ASCII [A-Za-z] */
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el_val_t str_count_digits(el_val_t s); /* ASCII [0-9] */
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/* Find / position */
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el_val_t str_index_of_all(el_val_t s, el_val_t sub); /* [Int] of byte offsets */
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el_val_t str_last_index_of(el_val_t s, el_val_t sub);
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el_val_t str_find_chars(el_val_t s, el_val_t any_of); /* first idx of any ch */
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/* Transform */
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el_val_t str_repeat(el_val_t s, el_val_t n);
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el_val_t str_reverse(el_val_t s); /* by codepoint */
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el_val_t str_strip_prefix(el_val_t s, el_val_t prefix);
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el_val_t str_strip_suffix(el_val_t s, el_val_t suffix);
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el_val_t str_strip_chars(el_val_t s, el_val_t chars);
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el_val_t str_lstrip(el_val_t s);
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el_val_t str_rstrip(el_val_t s);
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/* Char classification (Bool) */
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el_val_t is_letter(el_val_t s);
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el_val_t is_digit(el_val_t s);
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el_val_t is_alphanumeric(el_val_t s);
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el_val_t is_whitespace(el_val_t s);
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el_val_t is_punctuation(el_val_t s);
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el_val_t is_uppercase(el_val_t s);
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el_val_t is_lowercase(el_val_t s);
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/* Split / join */
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el_val_t str_split_lines(el_val_t s);
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el_val_t str_split_chars(el_val_t s); /* alias of native_string_chars */
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el_val_t str_split_n(el_val_t s, el_val_t sep, el_val_t n);
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el_val_t str_join(el_val_t list, el_val_t sep); /* alias of list_join */
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/* ── List additions ──────────────────────────────────────────────────────── */
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el_val_t list_push(el_val_t list, el_val_t elem);
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@@ -364,6 +560,19 @@ el_val_t engram_node(el_val_t content, el_val_t node_type, el_val_t salience);
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el_val_t engram_node_full(el_val_t content, el_val_t node_type, el_val_t label,
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el_val_t salience, el_val_t importance, el_val_t confidence,
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el_val_t tier, el_val_t tags);
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/* Layered consciousness — see el_runtime.c for the layered architecture
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* design notes (search "Layered consciousness architecture"). The five
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* canonical layers (safety / core-identity / domain-knowledge / imprint /
|
||||
* suit) are seeded automatically; engram_add_layer extends the registry
|
||||
* with imprint or suit overlays at runtime. Nodes default to layer 1
|
||||
* (core-identity) when created via engram_node / engram_node_full. */
|
||||
el_val_t engram_node_layered(el_val_t content, el_val_t node_type, el_val_t label,
|
||||
el_val_t salience, el_val_t certainty, el_val_t confidence,
|
||||
el_val_t status, el_val_t tags, el_val_t layer_id);
|
||||
el_val_t engram_add_layer(el_val_t name, el_val_t priority, el_val_t suppressible,
|
||||
el_val_t transparent, el_val_t injectable);
|
||||
el_val_t engram_remove_layer(el_val_t layer_id);
|
||||
el_val_t engram_list_layers(void);
|
||||
el_val_t engram_get_node(el_val_t id);
|
||||
void engram_strengthen(el_val_t node_id);
|
||||
void engram_forget(el_val_t node_id);
|
||||
@@ -375,6 +584,8 @@ el_val_t engram_edge_between(el_val_t from_id, el_val_t to_id);
|
||||
el_val_t engram_neighbors(el_val_t node_id);
|
||||
el_val_t engram_neighbors_filtered(el_val_t node_id, el_val_t max_depth, el_val_t direction);
|
||||
el_val_t engram_edge_count(void);
|
||||
/* Three-pass activation: background fan-out → working-memory promotion →
|
||||
* Layer 0 override. See "Three-pass activation" in el_runtime.c. */
|
||||
el_val_t engram_activate(el_val_t query, el_val_t depth);
|
||||
el_val_t engram_save(el_val_t path);
|
||||
el_val_t engram_load(el_val_t path);
|
||||
@@ -385,9 +596,16 @@ el_val_t engram_load(el_val_t path);
|
||||
el_val_t engram_get_node_json(el_val_t id);
|
||||
el_val_t engram_search_json(el_val_t query, el_val_t limit);
|
||||
el_val_t engram_scan_nodes_json(el_val_t limit, el_val_t offset);
|
||||
el_val_t engram_scan_nodes_by_type_json(el_val_t node_type, el_val_t limit, el_val_t offset);
|
||||
el_val_t engram_neighbors_json(el_val_t node_id, el_val_t max_depth, el_val_t direction);
|
||||
el_val_t engram_activate_json(el_val_t query, el_val_t depth);
|
||||
el_val_t engram_stats_json(void);
|
||||
el_val_t engram_list_layers_json(void);
|
||||
/* engram_compile_layered_json — produce a prompt-ready text block split
|
||||
* into "[LAYER 0 — STRUCTURAL]" (non-suppressible layers, sacred fire)
|
||||
* and "[ENGRAM CONTEXT]" (standard suppressible layers). Returns "" if
|
||||
* no nodes promoted to working memory. */
|
||||
el_val_t engram_compile_layered_json(el_val_t intent, el_val_t depth);
|
||||
|
||||
/* ── LLM (Anthropic API client) ─────────────────────────────────────────────
|
||||
* All functions call https://api.anthropic.com/v1/messages with the API key
|
||||
@@ -476,6 +694,21 @@ el_val_t pq_hybrid_handshake(el_val_t remote_pub_combined);
|
||||
|
||||
el_val_t sha3_256_hex(el_val_t input);
|
||||
|
||||
/* ── AEAD: AES-256-GCM (libcrypto-backed) ───────────────────────────────────
|
||||
* Symmetric authenticated encryption used to wrap envelopes after a KEM
|
||||
* handshake. Caller MUST supply a 32-byte key (64 hex chars) — typically the
|
||||
* Kyber-768 / hybrid shared_secret, optionally normalized via SHA3-256.
|
||||
*
|
||||
* aead_encrypt returns a JSON map {"nonce":"...","ciphertext":"..."} where
|
||||
* ciphertext is the AES-256-GCM output with the 16-byte auth tag appended.
|
||||
* Nonce is a fresh 12-byte CSPRNG draw — callers never pick the nonce, which
|
||||
* structurally rules out the GCM nonce-reuse footgun.
|
||||
*
|
||||
* aead_decrypt returns the plaintext String, or "" on any failure (including
|
||||
* auth-tag mismatch). Callers MUST check for "" before trusting the result. */
|
||||
el_val_t aead_encrypt(el_val_t key_hex, el_val_t plaintext);
|
||||
el_val_t aead_decrypt(el_val_t key_hex, el_val_t nonce_hex, el_val_t ciphertext_hex);
|
||||
|
||||
/* ── Native VM builtin aliases (for compiled El source) ─────────────────────
|
||||
* These match the El VM's native_* builtins so that El source compiled
|
||||
* to C can call the same names without modification. */
|
||||
@@ -502,6 +735,22 @@ el_val_t get(el_val_t list, el_val_t index); /* el_list_get */
|
||||
el_val_t map_get(el_val_t map, el_val_t key); /* el_map_get */
|
||||
el_val_t map_set(el_val_t map, el_val_t key, el_val_t value); /* el_map_set */
|
||||
|
||||
/* ── OTLP/HTTP Observability ─────────────────────────────────────────────── */
|
||||
/* See bottom of el_runtime.c for the implementation.
|
||||
* Configured by env vars OTLP_ENDPOINT, OTEL_SERVICE_NAME, OTEL_SERVICE_VERSION.
|
||||
* No-op when OTLP_ENDPOINT is unset. Drop-on-failure semantics. */
|
||||
/* ── Subprocess execution ────────────────────────────────────────────────── */
|
||||
el_val_t exec_command(el_val_t cmd); /* run shell command, return exit code */
|
||||
el_val_t exec_capture(el_val_t cmd); /* run shell command, capture stdout */
|
||||
el_val_t exec(el_val_t cmd); /* exec(cmd) → stdout String (30s timeout) */
|
||||
el_val_t exec_bg(el_val_t cmd); /* exec_bg(cmd) → PID String (non-blocking) */
|
||||
|
||||
el_val_t emit_log(el_val_t level, el_val_t msg, el_val_t fields_json);
|
||||
el_val_t emit_metric(el_val_t name, el_val_t value, el_val_t tags_json);
|
||||
el_val_t trace_span_start(el_val_t name);
|
||||
el_val_t trace_span_end(el_val_t span_handle);
|
||||
el_val_t emit_event(el_val_t name, el_val_t duration_ms);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user