seqc/codegen/
runtime.rs

1//! Runtime function declarations for LLVM IR.
2//!
3//! All runtime functions are declared here in a single data-driven table.
4//! This eliminates ~500 lines of duplicate writeln! calls and ensures
5//! consistency between the FFI and non-FFI code paths.
6
7use super::error::CodeGenError;
8use std::collections::HashMap;
9use std::fmt::Write as _;
10use std::sync::LazyLock;
11
12/// A runtime function declaration for LLVM IR.
13pub struct RuntimeDecl {
14    /// LLVM declaration string (e.g., "declare ptr @patch_seq_add(ptr)")
15    pub decl: &'static str,
16    /// Optional category comment (e.g., "; Stack operations")
17    pub category: Option<&'static str>,
18}
19
20/// All runtime function declarations, organized by category.
21/// Each entry generates a single `declare` statement in the LLVM IR.
22pub static RUNTIME_DECLARATIONS: LazyLock<Vec<RuntimeDecl>> = LazyLock::new(|| {
23    vec![
24        // Core push operations
25        RuntimeDecl {
26            decl: "declare ptr @patch_seq_push_int(ptr, i64)",
27            category: Some("; Runtime function declarations"),
28        },
29        RuntimeDecl {
30            decl: "declare ptr @patch_seq_push_string(ptr, ptr)",
31            category: None,
32        },
33        RuntimeDecl {
34            decl: "declare ptr @patch_seq_push_symbol(ptr, ptr)",
35            category: None,
36        },
37        RuntimeDecl {
38            decl: "declare ptr @patch_seq_push_interned_symbol(ptr, ptr)",
39            category: None,
40        },
41        // I/O operations
42        RuntimeDecl {
43            decl: "declare ptr @patch_seq_write(ptr)",
44            category: None,
45        },
46        RuntimeDecl {
47            decl: "declare ptr @patch_seq_write_line(ptr)",
48            category: None,
49        },
50        RuntimeDecl {
51            decl: "declare ptr @patch_seq_read_line(ptr)",
52            category: None,
53        },
54        RuntimeDecl {
55            decl: "declare ptr @patch_seq_read_line_plus(ptr)",
56            category: None,
57        },
58        RuntimeDecl {
59            decl: "declare ptr @patch_seq_read_n(ptr)",
60            category: None,
61        },
62        // Type conversions
63        RuntimeDecl {
64            decl: "declare ptr @patch_seq_int_to_string(ptr)",
65            category: None,
66        },
67        RuntimeDecl {
68            decl: "declare ptr @patch_seq_symbol_to_string(ptr)",
69            category: None,
70        },
71        RuntimeDecl {
72            decl: "declare ptr @patch_seq_string_to_symbol(ptr)",
73            category: None,
74        },
75        // Integer arithmetic
76        RuntimeDecl {
77            decl: "declare ptr @patch_seq_add(ptr)",
78            category: None,
79        },
80        RuntimeDecl {
81            decl: "declare ptr @patch_seq_subtract(ptr)",
82            category: None,
83        },
84        RuntimeDecl {
85            decl: "declare ptr @patch_seq_multiply(ptr)",
86            category: None,
87        },
88        RuntimeDecl {
89            decl: "declare ptr @patch_seq_divide(ptr)",
90            category: None,
91        },
92        RuntimeDecl {
93            decl: "declare ptr @patch_seq_modulo(ptr)",
94            category: None,
95        },
96        // Integer comparisons
97        RuntimeDecl {
98            decl: "declare ptr @patch_seq_eq(ptr)",
99            category: None,
100        },
101        RuntimeDecl {
102            decl: "declare ptr @patch_seq_lt(ptr)",
103            category: None,
104        },
105        RuntimeDecl {
106            decl: "declare ptr @patch_seq_gt(ptr)",
107            category: None,
108        },
109        RuntimeDecl {
110            decl: "declare ptr @patch_seq_lte(ptr)",
111            category: None,
112        },
113        RuntimeDecl {
114            decl: "declare ptr @patch_seq_gte(ptr)",
115            category: None,
116        },
117        RuntimeDecl {
118            decl: "declare ptr @patch_seq_neq(ptr)",
119            category: None,
120        },
121        // Boolean operations
122        RuntimeDecl {
123            decl: "declare ptr @patch_seq_and(ptr)",
124            category: Some("; Boolean operations"),
125        },
126        RuntimeDecl {
127            decl: "declare ptr @patch_seq_or(ptr)",
128            category: None,
129        },
130        RuntimeDecl {
131            decl: "declare ptr @patch_seq_not(ptr)",
132            category: None,
133        },
134        // Bitwise operations
135        RuntimeDecl {
136            decl: "declare ptr @patch_seq_band(ptr)",
137            category: Some("; Bitwise operations"),
138        },
139        RuntimeDecl {
140            decl: "declare ptr @patch_seq_bor(ptr)",
141            category: None,
142        },
143        RuntimeDecl {
144            decl: "declare ptr @patch_seq_bxor(ptr)",
145            category: None,
146        },
147        RuntimeDecl {
148            decl: "declare ptr @patch_seq_bnot(ptr)",
149            category: None,
150        },
151        RuntimeDecl {
152            decl: "declare ptr @patch_seq_shl(ptr)",
153            category: None,
154        },
155        RuntimeDecl {
156            decl: "declare ptr @patch_seq_shr(ptr)",
157            category: None,
158        },
159        RuntimeDecl {
160            decl: "declare ptr @patch_seq_popcount(ptr)",
161            category: None,
162        },
163        RuntimeDecl {
164            decl: "declare ptr @patch_seq_clz(ptr)",
165            category: None,
166        },
167        RuntimeDecl {
168            decl: "declare ptr @patch_seq_ctz(ptr)",
169            category: None,
170        },
171        RuntimeDecl {
172            decl: "declare ptr @patch_seq_int_bits(ptr)",
173            category: None,
174        },
175        // LLVM intrinsics
176        RuntimeDecl {
177            decl: "declare i64 @llvm.ctpop.i64(i64)",
178            category: None,
179        },
180        RuntimeDecl {
181            decl: "declare i64 @llvm.ctlz.i64(i64, i1)",
182            category: None,
183        },
184        RuntimeDecl {
185            decl: "declare i64 @llvm.cttz.i64(i64, i1)",
186            category: None,
187        },
188        RuntimeDecl {
189            decl: "declare void @llvm.memmove.p0.p0.i64(ptr, ptr, i64, i1)",
190            category: None,
191        },
192        RuntimeDecl {
193            decl: "declare void @llvm.trap() noreturn nounwind",
194            category: None,
195        },
196        // Stack operations
197        RuntimeDecl {
198            decl: "declare ptr @patch_seq_dup(ptr)",
199            category: Some("; Stack operations"),
200        },
201        RuntimeDecl {
202            decl: "declare ptr @patch_seq_drop_op(ptr)",
203            category: None,
204        },
205        RuntimeDecl {
206            decl: "declare ptr @patch_seq_swap(ptr)",
207            category: None,
208        },
209        RuntimeDecl {
210            decl: "declare ptr @patch_seq_over(ptr)",
211            category: None,
212        },
213        RuntimeDecl {
214            decl: "declare ptr @patch_seq_rot(ptr)",
215            category: None,
216        },
217        RuntimeDecl {
218            decl: "declare ptr @patch_seq_nip(ptr)",
219            category: None,
220        },
221        RuntimeDecl {
222            decl: "declare void @patch_seq_clone_value(ptr, ptr)",
223            category: None,
224        },
225        RuntimeDecl {
226            decl: "declare ptr @patch_seq_tuck(ptr)",
227            category: None,
228        },
229        RuntimeDecl {
230            decl: "declare ptr @patch_seq_2dup(ptr)",
231            category: None,
232        },
233        RuntimeDecl {
234            decl: "declare ptr @patch_seq_3drop(ptr)",
235            category: None,
236        },
237        RuntimeDecl {
238            decl: "declare ptr @patch_seq_pick_op(ptr)",
239            category: None,
240        },
241        RuntimeDecl {
242            decl: "declare ptr @patch_seq_roll(ptr)",
243            category: None,
244        },
245        RuntimeDecl {
246            decl: "declare ptr @patch_seq_push_value(ptr, %Value)",
247            category: None,
248        },
249        // Quotation operations
250        RuntimeDecl {
251            decl: "declare ptr @patch_seq_push_quotation(ptr, i64, i64)",
252            category: Some("; Quotation operations"),
253        },
254        RuntimeDecl {
255            decl: "declare ptr @patch_seq_call(ptr)",
256            category: None,
257        },
258        RuntimeDecl {
259            decl: "declare i64 @patch_seq_peek_is_quotation(ptr)",
260            category: None,
261        },
262        RuntimeDecl {
263            decl: "declare i64 @patch_seq_peek_quotation_fn_ptr(ptr)",
264            category: None,
265        },
266        RuntimeDecl {
267            decl: "declare ptr @patch_seq_times(ptr)",
268            category: None,
269        },
270        RuntimeDecl {
271            decl: "declare ptr @patch_seq_while_loop(ptr)",
272            category: None,
273        },
274        RuntimeDecl {
275            decl: "declare ptr @patch_seq_until_loop(ptr)",
276            category: None,
277        },
278        RuntimeDecl {
279            decl: "declare ptr @patch_seq_spawn(ptr)",
280            category: None,
281        },
282        RuntimeDecl {
283            decl: "declare ptr @patch_seq_weave(ptr)",
284            category: None,
285        },
286        RuntimeDecl {
287            decl: "declare ptr @patch_seq_resume(ptr)",
288            category: None,
289        },
290        RuntimeDecl {
291            decl: "declare ptr @patch_seq_weave_cancel(ptr)",
292            category: None,
293        },
294        RuntimeDecl {
295            decl: "declare ptr @patch_seq_yield(ptr)",
296            category: None,
297        },
298        RuntimeDecl {
299            decl: "declare ptr @patch_seq_cond(ptr)",
300            category: None,
301        },
302        // Closure operations
303        RuntimeDecl {
304            decl: "declare ptr @patch_seq_create_env(i32)",
305            category: Some("; Closure operations"),
306        },
307        RuntimeDecl {
308            decl: "declare void @patch_seq_env_set(ptr, i32, %Value)",
309            category: None,
310        },
311        RuntimeDecl {
312            decl: "declare %Value @patch_seq_env_get(ptr, i64, i32)",
313            category: None,
314        },
315        RuntimeDecl {
316            decl: "declare i64 @patch_seq_env_get_int(ptr, i64, i32)",
317            category: None,
318        },
319        RuntimeDecl {
320            decl: "declare i64 @patch_seq_env_get_bool(ptr, i64, i32)",
321            category: None,
322        },
323        RuntimeDecl {
324            decl: "declare double @patch_seq_env_get_float(ptr, i64, i32)",
325            category: None,
326        },
327        RuntimeDecl {
328            decl: "declare i64 @patch_seq_env_get_quotation(ptr, i64, i32)",
329            category: None,
330        },
331        RuntimeDecl {
332            decl: "declare ptr @patch_seq_env_get_string(ptr, i64, i32)",
333            category: None,
334        },
335        RuntimeDecl {
336            decl: "declare ptr @patch_seq_env_push_string(ptr, ptr, i64, i32)",
337            category: None,
338        },
339        RuntimeDecl {
340            decl: "declare %Value @patch_seq_make_closure(i64, ptr)",
341            category: None,
342        },
343        RuntimeDecl {
344            decl: "declare ptr @patch_seq_push_closure(ptr, i64, i32)",
345            category: None,
346        },
347        RuntimeDecl {
348            decl: "declare ptr @patch_seq_push_seqstring(ptr, ptr)",
349            category: None,
350        },
351        // Concurrency operations
352        RuntimeDecl {
353            decl: "declare ptr @patch_seq_make_channel(ptr)",
354            category: Some("; Concurrency operations"),
355        },
356        RuntimeDecl {
357            decl: "declare ptr @patch_seq_chan_send(ptr)",
358            category: None,
359        },
360        RuntimeDecl {
361            decl: "declare ptr @patch_seq_chan_receive(ptr)",
362            category: None,
363        },
364        RuntimeDecl {
365            decl: "declare ptr @patch_seq_close_channel(ptr)",
366            category: None,
367        },
368        RuntimeDecl {
369            decl: "declare ptr @patch_seq_yield_strand(ptr)",
370            category: None,
371        },
372        RuntimeDecl {
373            decl: "declare void @patch_seq_maybe_yield()",
374            category: None,
375        },
376        // Scheduler operations
377        RuntimeDecl {
378            decl: "declare void @patch_seq_scheduler_init()",
379            category: Some("; Scheduler operations"),
380        },
381        RuntimeDecl {
382            decl: "declare ptr @patch_seq_scheduler_run()",
383            category: None,
384        },
385        RuntimeDecl {
386            decl: "declare i64 @patch_seq_strand_spawn(ptr, ptr)",
387            category: None,
388        },
389        // Command-line argument operations
390        RuntimeDecl {
391            decl: "declare void @patch_seq_args_init(i32, ptr)",
392            category: Some("; Command-line argument operations"),
393        },
394        RuntimeDecl {
395            decl: "declare ptr @patch_seq_arg_count(ptr)",
396            category: None,
397        },
398        RuntimeDecl {
399            decl: "declare ptr @patch_seq_arg_at(ptr)",
400            category: None,
401        },
402        // File operations
403        RuntimeDecl {
404            decl: "declare ptr @patch_seq_file_slurp(ptr)",
405            category: Some("; File operations"),
406        },
407        RuntimeDecl {
408            decl: "declare ptr @patch_seq_file_exists(ptr)",
409            category: None,
410        },
411        RuntimeDecl {
412            decl: "declare ptr @patch_seq_file_for_each_line_plus(ptr)",
413            category: None,
414        },
415        // List operations
416        RuntimeDecl {
417            decl: "declare ptr @patch_seq_list_make(ptr)",
418            category: Some("; List operations"),
419        },
420        RuntimeDecl {
421            decl: "declare ptr @patch_seq_list_push(ptr)",
422            category: None,
423        },
424        RuntimeDecl {
425            decl: "declare ptr @patch_seq_list_get(ptr)",
426            category: None,
427        },
428        RuntimeDecl {
429            decl: "declare ptr @patch_seq_list_set(ptr)",
430            category: None,
431        },
432        RuntimeDecl {
433            decl: "declare ptr @patch_seq_list_map(ptr)",
434            category: None,
435        },
436        RuntimeDecl {
437            decl: "declare ptr @patch_seq_list_filter(ptr)",
438            category: None,
439        },
440        RuntimeDecl {
441            decl: "declare ptr @patch_seq_list_fold(ptr)",
442            category: None,
443        },
444        RuntimeDecl {
445            decl: "declare ptr @patch_seq_list_each(ptr)",
446            category: None,
447        },
448        RuntimeDecl {
449            decl: "declare ptr @patch_seq_list_length(ptr)",
450            category: None,
451        },
452        RuntimeDecl {
453            decl: "declare ptr @patch_seq_list_empty(ptr)",
454            category: None,
455        },
456        // Map operations
457        RuntimeDecl {
458            decl: "declare ptr @patch_seq_make_map(ptr)",
459            category: Some("; Map operations"),
460        },
461        RuntimeDecl {
462            decl: "declare ptr @patch_seq_map_get(ptr)",
463            category: None,
464        },
465        RuntimeDecl {
466            decl: "declare ptr @patch_seq_map_set(ptr)",
467            category: None,
468        },
469        RuntimeDecl {
470            decl: "declare ptr @patch_seq_map_has(ptr)",
471            category: None,
472        },
473        RuntimeDecl {
474            decl: "declare ptr @patch_seq_map_remove(ptr)",
475            category: None,
476        },
477        RuntimeDecl {
478            decl: "declare ptr @patch_seq_map_keys(ptr)",
479            category: None,
480        },
481        RuntimeDecl {
482            decl: "declare ptr @patch_seq_map_values(ptr)",
483            category: None,
484        },
485        RuntimeDecl {
486            decl: "declare ptr @patch_seq_map_size(ptr)",
487            category: None,
488        },
489        RuntimeDecl {
490            decl: "declare ptr @patch_seq_map_empty(ptr)",
491            category: None,
492        },
493        // TCP operations
494        RuntimeDecl {
495            decl: "declare ptr @patch_seq_tcp_listen(ptr)",
496            category: Some("; TCP operations"),
497        },
498        RuntimeDecl {
499            decl: "declare ptr @patch_seq_tcp_accept(ptr)",
500            category: None,
501        },
502        RuntimeDecl {
503            decl: "declare ptr @patch_seq_tcp_read(ptr)",
504            category: None,
505        },
506        RuntimeDecl {
507            decl: "declare ptr @patch_seq_tcp_write(ptr)",
508            category: None,
509        },
510        RuntimeDecl {
511            decl: "declare ptr @patch_seq_tcp_close(ptr)",
512            category: None,
513        },
514        // OS operations
515        RuntimeDecl {
516            decl: "declare ptr @patch_seq_getenv(ptr)",
517            category: Some("; OS operations"),
518        },
519        RuntimeDecl {
520            decl: "declare ptr @patch_seq_home_dir(ptr)",
521            category: None,
522        },
523        RuntimeDecl {
524            decl: "declare ptr @patch_seq_current_dir(ptr)",
525            category: None,
526        },
527        RuntimeDecl {
528            decl: "declare ptr @patch_seq_path_exists(ptr)",
529            category: None,
530        },
531        RuntimeDecl {
532            decl: "declare ptr @patch_seq_path_is_file(ptr)",
533            category: None,
534        },
535        RuntimeDecl {
536            decl: "declare ptr @patch_seq_path_is_dir(ptr)",
537            category: None,
538        },
539        RuntimeDecl {
540            decl: "declare ptr @patch_seq_path_join(ptr)",
541            category: None,
542        },
543        RuntimeDecl {
544            decl: "declare ptr @patch_seq_path_parent(ptr)",
545            category: None,
546        },
547        RuntimeDecl {
548            decl: "declare ptr @patch_seq_path_filename(ptr)",
549            category: None,
550        },
551        RuntimeDecl {
552            decl: "declare ptr @patch_seq_exit(ptr)",
553            category: None,
554        },
555        RuntimeDecl {
556            decl: "declare ptr @patch_seq_os_name(ptr)",
557            category: None,
558        },
559        RuntimeDecl {
560            decl: "declare ptr @patch_seq_os_arch(ptr)",
561            category: None,
562        },
563        // String operations
564        RuntimeDecl {
565            decl: "declare ptr @patch_seq_string_concat(ptr)",
566            category: Some("; String operations"),
567        },
568        RuntimeDecl {
569            decl: "declare ptr @patch_seq_string_length(ptr)",
570            category: None,
571        },
572        RuntimeDecl {
573            decl: "declare ptr @patch_seq_string_byte_length(ptr)",
574            category: None,
575        },
576        RuntimeDecl {
577            decl: "declare ptr @patch_seq_string_char_at(ptr)",
578            category: None,
579        },
580        RuntimeDecl {
581            decl: "declare ptr @patch_seq_string_substring(ptr)",
582            category: None,
583        },
584        RuntimeDecl {
585            decl: "declare ptr @patch_seq_char_to_string(ptr)",
586            category: None,
587        },
588        RuntimeDecl {
589            decl: "declare ptr @patch_seq_string_find(ptr)",
590            category: None,
591        },
592        RuntimeDecl {
593            decl: "declare ptr @patch_seq_string_split(ptr)",
594            category: None,
595        },
596        RuntimeDecl {
597            decl: "declare ptr @patch_seq_string_contains(ptr)",
598            category: None,
599        },
600        RuntimeDecl {
601            decl: "declare ptr @patch_seq_string_starts_with(ptr)",
602            category: None,
603        },
604        RuntimeDecl {
605            decl: "declare ptr @patch_seq_string_empty(ptr)",
606            category: None,
607        },
608        RuntimeDecl {
609            decl: "declare ptr @patch_seq_string_trim(ptr)",
610            category: None,
611        },
612        RuntimeDecl {
613            decl: "declare ptr @patch_seq_string_chomp(ptr)",
614            category: None,
615        },
616        RuntimeDecl {
617            decl: "declare ptr @patch_seq_string_to_upper(ptr)",
618            category: None,
619        },
620        RuntimeDecl {
621            decl: "declare ptr @patch_seq_string_to_lower(ptr)",
622            category: None,
623        },
624        RuntimeDecl {
625            decl: "declare ptr @patch_seq_string_equal(ptr)",
626            category: None,
627        },
628        RuntimeDecl {
629            decl: "declare ptr @patch_seq_json_escape(ptr)",
630            category: None,
631        },
632        RuntimeDecl {
633            decl: "declare ptr @patch_seq_string_to_int(ptr)",
634            category: None,
635        },
636        // Symbol operations
637        RuntimeDecl {
638            decl: "declare ptr @patch_seq_symbol_equal(ptr)",
639            category: Some("; Symbol operations"),
640        },
641        // Variant operations
642        RuntimeDecl {
643            decl: "declare ptr @patch_seq_variant_field_count(ptr)",
644            category: Some("; Variant operations"),
645        },
646        RuntimeDecl {
647            decl: "declare ptr @patch_seq_variant_tag(ptr)",
648            category: None,
649        },
650        RuntimeDecl {
651            decl: "declare ptr @patch_seq_variant_field_at(ptr)",
652            category: None,
653        },
654        RuntimeDecl {
655            decl: "declare ptr @patch_seq_variant_append(ptr)",
656            category: None,
657        },
658        RuntimeDecl {
659            decl: "declare ptr @patch_seq_variant_last(ptr)",
660            category: None,
661        },
662        RuntimeDecl {
663            decl: "declare ptr @patch_seq_variant_init(ptr)",
664            category: None,
665        },
666        RuntimeDecl {
667            decl: "declare ptr @patch_seq_make_variant_0(ptr)",
668            category: None,
669        },
670        RuntimeDecl {
671            decl: "declare ptr @patch_seq_make_variant_1(ptr)",
672            category: None,
673        },
674        RuntimeDecl {
675            decl: "declare ptr @patch_seq_make_variant_2(ptr)",
676            category: None,
677        },
678        RuntimeDecl {
679            decl: "declare ptr @patch_seq_make_variant_3(ptr)",
680            category: None,
681        },
682        RuntimeDecl {
683            decl: "declare ptr @patch_seq_make_variant_4(ptr)",
684            category: None,
685        },
686        RuntimeDecl {
687            decl: "declare ptr @patch_seq_unpack_variant(ptr, i64)",
688            category: None,
689        },
690        RuntimeDecl {
691            decl: "declare ptr @patch_seq_symbol_eq_cstr(ptr, ptr)",
692            category: None,
693        },
694        // Float operations
695        RuntimeDecl {
696            decl: "declare ptr @patch_seq_push_float(ptr, double)",
697            category: Some("; Float operations"),
698        },
699        RuntimeDecl {
700            decl: "declare ptr @patch_seq_f_add(ptr)",
701            category: None,
702        },
703        RuntimeDecl {
704            decl: "declare ptr @patch_seq_f_subtract(ptr)",
705            category: None,
706        },
707        RuntimeDecl {
708            decl: "declare ptr @patch_seq_f_multiply(ptr)",
709            category: None,
710        },
711        RuntimeDecl {
712            decl: "declare ptr @patch_seq_f_divide(ptr)",
713            category: None,
714        },
715        RuntimeDecl {
716            decl: "declare ptr @patch_seq_f_eq(ptr)",
717            category: None,
718        },
719        RuntimeDecl {
720            decl: "declare ptr @patch_seq_f_lt(ptr)",
721            category: None,
722        },
723        RuntimeDecl {
724            decl: "declare ptr @patch_seq_f_gt(ptr)",
725            category: None,
726        },
727        RuntimeDecl {
728            decl: "declare ptr @patch_seq_f_lte(ptr)",
729            category: None,
730        },
731        RuntimeDecl {
732            decl: "declare ptr @patch_seq_f_gte(ptr)",
733            category: None,
734        },
735        RuntimeDecl {
736            decl: "declare ptr @patch_seq_f_neq(ptr)",
737            category: None,
738        },
739        RuntimeDecl {
740            decl: "declare ptr @patch_seq_int_to_float(ptr)",
741            category: None,
742        },
743        RuntimeDecl {
744            decl: "declare ptr @patch_seq_float_to_int(ptr)",
745            category: None,
746        },
747        RuntimeDecl {
748            decl: "declare ptr @patch_seq_float_to_string(ptr)",
749            category: None,
750        },
751        RuntimeDecl {
752            decl: "declare ptr @patch_seq_string_to_float(ptr)",
753            category: None,
754        },
755        // Test framework operations
756        RuntimeDecl {
757            decl: "declare ptr @patch_seq_test_init(ptr)",
758            category: Some("; Test framework operations"),
759        },
760        RuntimeDecl {
761            decl: "declare ptr @patch_seq_test_finish(ptr)",
762            category: None,
763        },
764        RuntimeDecl {
765            decl: "declare ptr @patch_seq_test_has_failures(ptr)",
766            category: None,
767        },
768        RuntimeDecl {
769            decl: "declare ptr @patch_seq_test_assert(ptr)",
770            category: None,
771        },
772        RuntimeDecl {
773            decl: "declare ptr @patch_seq_test_assert_not(ptr)",
774            category: None,
775        },
776        RuntimeDecl {
777            decl: "declare ptr @patch_seq_test_assert_eq(ptr)",
778            category: None,
779        },
780        RuntimeDecl {
781            decl: "declare ptr @patch_seq_test_assert_eq_str(ptr)",
782            category: None,
783        },
784        RuntimeDecl {
785            decl: "declare ptr @patch_seq_test_fail(ptr)",
786            category: None,
787        },
788        RuntimeDecl {
789            decl: "declare ptr @patch_seq_test_pass_count(ptr)",
790            category: None,
791        },
792        RuntimeDecl {
793            decl: "declare ptr @patch_seq_test_fail_count(ptr)",
794            category: None,
795        },
796        // Time operations
797        RuntimeDecl {
798            decl: "declare ptr @patch_seq_time_now(ptr)",
799            category: Some("; Time operations"),
800        },
801        RuntimeDecl {
802            decl: "declare ptr @patch_seq_time_nanos(ptr)",
803            category: None,
804        },
805        RuntimeDecl {
806            decl: "declare ptr @patch_seq_time_sleep_ms(ptr)",
807            category: None,
808        },
809        // Stack introspection
810        RuntimeDecl {
811            decl: "declare ptr @patch_seq_stack_dump(ptr)",
812            category: Some("; Stack introspection"),
813        },
814        // SON serialization
815        RuntimeDecl {
816            decl: "declare ptr @patch_seq_son_dump(ptr)",
817            category: Some("; SON serialization"),
818        },
819        RuntimeDecl {
820            decl: "declare ptr @patch_seq_son_dump_pretty(ptr)",
821            category: None,
822        },
823        // Helpers for conditionals
824        RuntimeDecl {
825            decl: "declare i64 @patch_seq_peek_int_value(ptr)",
826            category: Some("; Helpers for conditionals"),
827        },
828        RuntimeDecl {
829            decl: "declare i1 @patch_seq_peek_bool_value(ptr)",
830            category: None,
831        },
832        RuntimeDecl {
833            decl: "declare ptr @patch_seq_pop_stack(ptr)",
834            category: None,
835        },
836        // Tagged stack operations
837        RuntimeDecl {
838            decl: "declare ptr @seq_stack_new_default()",
839            category: Some("; Tagged stack operations"),
840        },
841        RuntimeDecl {
842            decl: "declare void @seq_stack_free(ptr)",
843            category: None,
844        },
845        RuntimeDecl {
846            decl: "declare ptr @seq_stack_base(ptr)",
847            category: None,
848        },
849        RuntimeDecl {
850            decl: "declare i64 @seq_stack_sp(ptr)",
851            category: None,
852        },
853        RuntimeDecl {
854            decl: "declare void @seq_stack_set_sp(ptr, i64)",
855            category: None,
856        },
857        RuntimeDecl {
858            decl: "declare void @seq_stack_grow(ptr, i64)",
859            category: None,
860        },
861        RuntimeDecl {
862            decl: "declare void @patch_seq_set_stack_base(ptr)",
863            category: None,
864        },
865    ]
866});
867
868/// Mapping from Seq word names to their C runtime symbol names.
869/// This centralizes all the name transformations in one place:
870/// - Symbolic operators (=, <, >) map to descriptive names (eq, lt, gt)
871/// - Hyphens become underscores for C compatibility
872/// - Special characters get escaped (?, +, ->)
873/// - Reserved words get suffixes (drop -> drop_op)
874pub static BUILTIN_SYMBOLS: LazyLock<HashMap<&'static str, &'static str>> = LazyLock::new(|| {
875    HashMap::from([
876        // I/O operations
877        ("io.write", "patch_seq_write"),
878        ("io.write-line", "patch_seq_write_line"),
879        ("io.read-line", "patch_seq_read_line"),
880        ("io.read-line+", "patch_seq_read_line_plus"),
881        ("io.read-n", "patch_seq_read_n"),
882        ("int->string", "patch_seq_int_to_string"),
883        ("symbol->string", "patch_seq_symbol_to_string"),
884        ("string->symbol", "patch_seq_string_to_symbol"),
885        // Command-line arguments
886        ("args.count", "patch_seq_arg_count"),
887        ("args.at", "patch_seq_arg_at"),
888        // Integer Arithmetic
889        ("i.add", "patch_seq_add"),
890        ("i.subtract", "patch_seq_subtract"),
891        ("i.multiply", "patch_seq_multiply"),
892        ("i.divide", "patch_seq_divide"),
893        ("i.modulo", "patch_seq_modulo"),
894        // Terse integer arithmetic aliases
895        ("i.+", "patch_seq_add"),
896        ("i.-", "patch_seq_subtract"),
897        ("i.*", "patch_seq_multiply"),
898        ("i./", "patch_seq_divide"),
899        ("i.%", "patch_seq_modulo"),
900        // Integer comparison (symbol form)
901        ("i.=", "patch_seq_eq"),
902        ("i.<", "patch_seq_lt"),
903        ("i.>", "patch_seq_gt"),
904        ("i.<=", "patch_seq_lte"),
905        ("i.>=", "patch_seq_gte"),
906        ("i.<>", "patch_seq_neq"),
907        // Integer comparison (verbose form)
908        ("i.eq", "patch_seq_eq"),
909        ("i.lt", "patch_seq_lt"),
910        ("i.gt", "patch_seq_gt"),
911        ("i.lte", "patch_seq_lte"),
912        ("i.gte", "patch_seq_gte"),
913        ("i.neq", "patch_seq_neq"),
914        // Boolean
915        ("and", "patch_seq_and"),
916        ("or", "patch_seq_or"),
917        ("not", "patch_seq_not"),
918        // Bitwise
919        ("band", "patch_seq_band"),
920        ("bor", "patch_seq_bor"),
921        ("bxor", "patch_seq_bxor"),
922        ("bnot", "patch_seq_bnot"),
923        ("shl", "patch_seq_shl"),
924        ("shr", "patch_seq_shr"),
925        ("popcount", "patch_seq_popcount"),
926        ("clz", "patch_seq_clz"),
927        ("ctz", "patch_seq_ctz"),
928        ("int-bits", "patch_seq_int_bits"),
929        // Stack operations
930        ("dup", "patch_seq_dup"),
931        ("swap", "patch_seq_swap"),
932        ("over", "patch_seq_over"),
933        ("rot", "patch_seq_rot"),
934        ("nip", "patch_seq_nip"),
935        ("tuck", "patch_seq_tuck"),
936        ("2dup", "patch_seq_2dup"),
937        ("3drop", "patch_seq_3drop"),
938        ("drop", "patch_seq_drop_op"),
939        ("pick", "patch_seq_pick_op"),
940        ("roll", "patch_seq_roll"),
941        // Channel operations (errors are values, not crashes)
942        ("chan.make", "patch_seq_make_channel"),
943        ("chan.send", "patch_seq_chan_send"),
944        ("chan.receive", "patch_seq_chan_receive"),
945        ("chan.close", "patch_seq_close_channel"),
946        ("chan.yield", "patch_seq_yield_strand"),
947        // Quotation operations
948        ("call", "patch_seq_call"),
949        ("times", "patch_seq_times"),
950        ("while", "patch_seq_while_loop"),
951        ("until", "patch_seq_until_loop"),
952        ("strand.spawn", "patch_seq_spawn"),
953        ("strand.weave", "patch_seq_weave"),
954        ("strand.resume", "patch_seq_resume"),
955        ("strand.weave-cancel", "patch_seq_weave_cancel"),
956        ("yield", "patch_seq_yield"),
957        ("cond", "patch_seq_cond"),
958        // TCP operations
959        ("tcp.listen", "patch_seq_tcp_listen"),
960        ("tcp.accept", "patch_seq_tcp_accept"),
961        ("tcp.read", "patch_seq_tcp_read"),
962        ("tcp.write", "patch_seq_tcp_write"),
963        ("tcp.close", "patch_seq_tcp_close"),
964        // OS operations
965        ("os.getenv", "patch_seq_getenv"),
966        ("os.home-dir", "patch_seq_home_dir"),
967        ("os.current-dir", "patch_seq_current_dir"),
968        ("os.path-exists", "patch_seq_path_exists"),
969        ("os.path-is-file", "patch_seq_path_is_file"),
970        ("os.path-is-dir", "patch_seq_path_is_dir"),
971        ("os.path-join", "patch_seq_path_join"),
972        ("os.path-parent", "patch_seq_path_parent"),
973        ("os.path-filename", "patch_seq_path_filename"),
974        ("os.exit", "patch_seq_exit"),
975        ("os.name", "patch_seq_os_name"),
976        ("os.arch", "patch_seq_os_arch"),
977        // String operations
978        ("string.concat", "patch_seq_string_concat"),
979        ("string.length", "patch_seq_string_length"),
980        ("string.byte-length", "patch_seq_string_byte_length"),
981        ("string.char-at", "patch_seq_string_char_at"),
982        ("string.substring", "patch_seq_string_substring"),
983        ("char->string", "patch_seq_char_to_string"),
984        ("string.find", "patch_seq_string_find"),
985        ("string.split", "patch_seq_string_split"),
986        ("string.contains", "patch_seq_string_contains"),
987        ("string.starts-with", "patch_seq_string_starts_with"),
988        ("string.empty?", "patch_seq_string_empty"),
989        ("string.trim", "patch_seq_string_trim"),
990        ("string.chomp", "patch_seq_string_chomp"),
991        ("string.to-upper", "patch_seq_string_to_upper"),
992        ("string.to-lower", "patch_seq_string_to_lower"),
993        ("string.equal?", "patch_seq_string_equal"),
994        ("string.json-escape", "patch_seq_json_escape"),
995        ("string->int", "patch_seq_string_to_int"),
996        // Symbol operations
997        ("symbol.=", "patch_seq_symbol_equal"),
998        // File operations
999        ("file.slurp", "patch_seq_file_slurp"),
1000        ("file.exists?", "patch_seq_file_exists"),
1001        ("file.for-each-line+", "patch_seq_file_for_each_line_plus"),
1002        // List operations
1003        ("list.make", "patch_seq_list_make"),
1004        ("list.push", "patch_seq_list_push"),
1005        ("list.get", "patch_seq_list_get"),
1006        ("list.set", "patch_seq_list_set"),
1007        ("list.map", "patch_seq_list_map"),
1008        ("list.filter", "patch_seq_list_filter"),
1009        ("list.fold", "patch_seq_list_fold"),
1010        ("list.each", "patch_seq_list_each"),
1011        ("list.length", "patch_seq_list_length"),
1012        ("list.empty?", "patch_seq_list_empty"),
1013        // Map operations
1014        ("map.make", "patch_seq_make_map"),
1015        ("map.get", "patch_seq_map_get"),
1016        ("map.set", "patch_seq_map_set"),
1017        ("map.has?", "patch_seq_map_has"),
1018        ("map.remove", "patch_seq_map_remove"),
1019        ("map.keys", "patch_seq_map_keys"),
1020        ("map.values", "patch_seq_map_values"),
1021        ("map.size", "patch_seq_map_size"),
1022        ("map.empty?", "patch_seq_map_empty"),
1023        // Variant operations
1024        ("variant.field-count", "patch_seq_variant_field_count"),
1025        ("variant.tag", "patch_seq_variant_tag"),
1026        ("variant.field-at", "patch_seq_variant_field_at"),
1027        ("variant.append", "patch_seq_variant_append"),
1028        ("variant.last", "patch_seq_variant_last"),
1029        ("variant.init", "patch_seq_variant_init"),
1030        ("variant.make-0", "patch_seq_make_variant_0"),
1031        ("variant.make-1", "patch_seq_make_variant_1"),
1032        ("variant.make-2", "patch_seq_make_variant_2"),
1033        ("variant.make-3", "patch_seq_make_variant_3"),
1034        ("variant.make-4", "patch_seq_make_variant_4"),
1035        // wrap-N aliases for dynamic variant construction (SON)
1036        ("wrap-0", "patch_seq_make_variant_0"),
1037        ("wrap-1", "patch_seq_make_variant_1"),
1038        ("wrap-2", "patch_seq_make_variant_2"),
1039        ("wrap-3", "patch_seq_make_variant_3"),
1040        ("wrap-4", "patch_seq_make_variant_4"),
1041        // Float arithmetic
1042        ("f.add", "patch_seq_f_add"),
1043        ("f.subtract", "patch_seq_f_subtract"),
1044        ("f.multiply", "patch_seq_f_multiply"),
1045        ("f.divide", "patch_seq_f_divide"),
1046        // Terse float arithmetic aliases
1047        ("f.+", "patch_seq_f_add"),
1048        ("f.-", "patch_seq_f_subtract"),
1049        ("f.*", "patch_seq_f_multiply"),
1050        ("f./", "patch_seq_f_divide"),
1051        // Float comparison (symbol form)
1052        ("f.=", "patch_seq_f_eq"),
1053        ("f.<", "patch_seq_f_lt"),
1054        ("f.>", "patch_seq_f_gt"),
1055        ("f.<=", "patch_seq_f_lte"),
1056        ("f.>=", "patch_seq_f_gte"),
1057        ("f.<>", "patch_seq_f_neq"),
1058        // Float comparison (verbose form)
1059        ("f.eq", "patch_seq_f_eq"),
1060        ("f.lt", "patch_seq_f_lt"),
1061        ("f.gt", "patch_seq_f_gt"),
1062        ("f.lte", "patch_seq_f_lte"),
1063        ("f.gte", "patch_seq_f_gte"),
1064        ("f.neq", "patch_seq_f_neq"),
1065        // Float type conversions
1066        ("int->float", "patch_seq_int_to_float"),
1067        ("float->int", "patch_seq_float_to_int"),
1068        ("float->string", "patch_seq_float_to_string"),
1069        ("string->float", "patch_seq_string_to_float"),
1070        // Test framework operations
1071        ("test.init", "patch_seq_test_init"),
1072        ("test.finish", "patch_seq_test_finish"),
1073        ("test.has-failures", "patch_seq_test_has_failures"),
1074        ("test.assert", "patch_seq_test_assert"),
1075        ("test.assert-not", "patch_seq_test_assert_not"),
1076        ("test.assert-eq", "patch_seq_test_assert_eq"),
1077        ("test.assert-eq-str", "patch_seq_test_assert_eq_str"),
1078        ("test.fail", "patch_seq_test_fail"),
1079        ("test.pass-count", "patch_seq_test_pass_count"),
1080        ("test.fail-count", "patch_seq_test_fail_count"),
1081        // Time operations
1082        ("time.now", "patch_seq_time_now"),
1083        ("time.nanos", "patch_seq_time_nanos"),
1084        ("time.sleep-ms", "patch_seq_time_sleep_ms"),
1085        // SON serialization
1086        ("son.dump", "patch_seq_son_dump"),
1087        ("son.dump-pretty", "patch_seq_son_dump_pretty"),
1088        // Stack introspection
1089        ("stack.dump", "patch_seq_stack_dump"),
1090    ])
1091});
1092
1093/// Emit all runtime function declarations to the IR string.
1094pub fn emit_runtime_decls(ir: &mut String) -> Result<(), CodeGenError> {
1095    for decl in RUNTIME_DECLARATIONS.iter() {
1096        if let Some(cat) = decl.category {
1097            writeln!(ir, "{}", cat)?;
1098        }
1099        writeln!(ir, "{}", decl.decl)?;
1100    }
1101    writeln!(ir)?;
1102    Ok(())
1103}