-
-
Notifications
You must be signed in to change notification settings - Fork 5.6k
/
Copy pathast.c
1166 lines (1096 loc) · 41.5 KB
/
ast.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// This file is a part of Julia. License is MIT: https://julialang.org/license
/*
AST
interface to front-end, obtains and translates syntax trees
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef _OS_WINDOWS_
#include <malloc.h>
#endif
#include "julia.h"
#include "julia_internal.h"
#include "flisp.h"
#include "julia_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
// MSVC complains about "julia_flisp.boot.inc : error C4335: Mac file format
// detected: please convert the source file to either DOS or UNIX format"
#ifdef _MSC_VER
#pragma warning(disable:4335)
#endif
// head symbols for each expression type
jl_sym_t *call_sym; jl_sym_t *invoke_sym;
jl_sym_t *dots_sym; jl_sym_t *empty_sym;
jl_sym_t *module_sym; jl_sym_t *slot_sym;
jl_sym_t *export_sym; jl_sym_t *import_sym;
jl_sym_t *importall_sym; jl_sym_t *toplevel_sym;
jl_sym_t *quote_sym; jl_sym_t *amp_sym;
jl_sym_t *top_sym; jl_sym_t *colons_sym;
jl_sym_t *line_sym; jl_sym_t *jl_incomplete_sym;
jl_sym_t *goto_sym; jl_sym_t *goto_ifnot_sym;
jl_sym_t *label_sym; jl_sym_t *return_sym;
jl_sym_t *unreachable_sym; jl_sym_t *tuple_sym;
jl_sym_t *lambda_sym; jl_sym_t *assign_sym;
jl_sym_t *body_sym; jl_sym_t *globalref_sym;
jl_sym_t *method_sym; jl_sym_t *core_sym;
jl_sym_t *enter_sym; jl_sym_t *leave_sym;
jl_sym_t *exc_sym; jl_sym_t *error_sym;
jl_sym_t *new_sym; jl_sym_t *using_sym;
jl_sym_t *const_sym; jl_sym_t *thunk_sym;
jl_sym_t *underscore_sym; jl_sym_t *do_sym;
jl_sym_t *abstracttype_sym;
jl_sym_t *primtype_sym;
jl_sym_t *structtype_sym;
jl_sym_t *foreigncall_sym;
jl_sym_t *cfunction_sym;
jl_sym_t *global_sym; jl_sym_t *list_sym;
jl_sym_t *dot_sym; jl_sym_t *newvar_sym;
jl_sym_t *boundscheck_sym; jl_sym_t *inbounds_sym;
jl_sym_t *copyast_sym; jl_sym_t *fastmath_sym;
jl_sym_t *pure_sym; jl_sym_t *simdloop_sym;
jl_sym_t *meta_sym; jl_sym_t *compiler_temp_sym;
jl_sym_t *inert_sym; jl_sym_t *vararg_sym;
jl_sym_t *unused_sym; jl_sym_t *static_parameter_sym;
jl_sym_t *inline_sym; jl_sym_t *noinline_sym;
jl_sym_t *polly_sym;
jl_sym_t *propagate_inbounds_sym;
jl_sym_t *generated_sym; jl_sym_t *generated_only_sym;
jl_sym_t *isdefined_sym;
jl_sym_t *specialize_sym; jl_sym_t *nospecialize_sym;
jl_sym_t *macrocall_sym;
jl_sym_t *colon_sym;
jl_sym_t *hygienicscope_sym; jl_sym_t *escape_sym;
jl_sym_t *gc_preserve_begin_sym; jl_sym_t *gc_preserve_end_sym;
jl_sym_t *throw_undef_if_not_sym; jl_sym_t *getfield_undefref_sym;
static uint8_t flisp_system_image[] = {
#include <julia_flisp.boot.inc>
};
typedef struct _jl_ast_context_list_t {
struct _jl_ast_context_list_t *next;
struct _jl_ast_context_list_t **prev;
} jl_ast_context_list_t;
STATIC_INLINE void jl_ast_context_list_insert(jl_ast_context_list_t **head,
jl_ast_context_list_t *node)
{
jl_ast_context_list_t *next = *head;
if (next)
next->prev = &node->next;
node->next = next;
node->prev = head;
*head = node;
}
STATIC_INLINE void jl_ast_context_list_delete(jl_ast_context_list_t *node)
{
if (node->next)
node->next->prev = node->prev;
*node->prev = node->next;
}
typedef struct _jl_ast_context_t {
fl_context_t fl;
fltype_t *jvtype;
value_t true_sym;
value_t false_sym;
value_t error_sym;
value_t null_sym;
value_t ssavalue_sym;
value_t slot_sym;
jl_ast_context_list_t list;
int ref;
jl_task_t *task; // the current owner (user) of this jl_ast_context_t
jl_module_t *module; // context module for "defined-julia-global" and "current-julia-module-counter"
} jl_ast_context_t;
static jl_ast_context_t jl_ast_main_ctx;
#define jl_ast_ctx(fl_ctx) container_of(fl_ctx, jl_ast_context_t, fl)
#define jl_ast_context_list_item(node) \
container_of(node, jl_ast_context_t, list)
struct macroctx_stack {
jl_module_t *m;
struct macroctx_stack *parent;
};
#define JL_AST_PRESERVE_PUSH(ctx, old, inmodule) \
jl_module_t *(old) = ctx->module; \
ctx->module = (inmodule)
#define JL_AST_PRESERVE_POP(ctx, old) \
ctx->module = (old)
static jl_value_t *scm_to_julia(fl_context_t *fl_ctx, value_t e, jl_module_t *mod);
static value_t julia_to_scm(fl_context_t *fl_ctx, jl_value_t *v);
static jl_value_t *jl_expand_macros(jl_value_t *expr, jl_module_t *inmodule, struct macroctx_stack *macroctx, int onelevel);
value_t fl_defined_julia_global(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
jl_ast_context_t *ctx = jl_ast_ctx(fl_ctx);
// tells whether a var is defined in and *by* the current module
argcount(fl_ctx, "defined-julia-global", nargs, 1);
jl_module_t *mod = ctx->module;
jl_sym_t *sym = (jl_sym_t*)scm_to_julia(fl_ctx, args[0], mod);
if (jl_is_globalref(sym)) {
mod = jl_globalref_mod(sym);
sym = jl_globalref_name(sym);
}
if (!jl_is_symbol(sym))
type_error(fl_ctx, "defined-julia-global", "symbol", args[0]);
if (!mod)
return fl_ctx->F;
jl_binding_t *b = (jl_binding_t*)ptrhash_get(&mod->bindings, sym);
return (b != HT_NOTFOUND && b->owner == mod) ? fl_ctx->T : fl_ctx->F;
}
value_t fl_current_module_counter(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
jl_ast_context_t *ctx = jl_ast_ctx(fl_ctx);
assert(ctx->module);
return fixnum(jl_module_next_counter(ctx->module));
}
// Check whether v is a scalar for purposes of inlining fused-broadcast
// arguments when lowering; should agree with broadcast.jl on what is a
// scalar. When in doubt, return false, since this is only an optimization.
value_t fl_julia_scalar(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
argcount(fl_ctx, "julia-scalar?", nargs, 1);
if (fl_isnumber(fl_ctx, args[0]) || fl_isstring(fl_ctx, args[0]))
return fl_ctx->T;
else if (iscvalue(args[0]) && fl_ctx->jl_sym == cv_type((cvalue_t*)ptr(args[0]))) {
jl_value_t *v = *(jl_value_t**)cptr(args[0]);
if (jl_isa(v,(jl_value_t*)jl_number_type) || jl_is_string(v))
return fl_ctx->T;
}
return fl_ctx->F;
}
static jl_value_t *scm_to_julia_(fl_context_t *fl_ctx, value_t e, jl_module_t *mod);
value_t fl_julia_logmsg(fl_context_t *fl_ctx, value_t *args, uint32_t nargs)
{
int kwargs_len = (int)nargs - 6;
if (nargs < 6 || kwargs_len % 2 != 0) {
lerror(fl_ctx, fl_ctx->ArgError, "julia-logmsg: bad argument list - expected "
"level (symbol) group (symbol) id file line msg . kwargs");
}
value_t arg_level = args[0];
value_t arg_group = args[1];
value_t arg_id = args[2];
value_t arg_file = args[3];
value_t arg_line = args[4];
value_t arg_msg = args[5];
value_t *arg_kwargs = args + 6;
if (!isfixnum(arg_level) || !issymbol(arg_group) || !issymbol(arg_id) ||
!issymbol(arg_file) || !isfixnum(arg_line) || !fl_isstring(fl_ctx, arg_msg)) {
lerror(fl_ctx, fl_ctx->ArgError,
"julia-logmsg: Unexpected type in argument list");
}
// Abuse scm_to_julia here to convert arguments. This is meant for `Expr`s
// but should be good enough provided we're only passing simple numbers,
// symbols and strings.
jl_value_t *group=NULL, *id=NULL, *file=NULL, *line=NULL, *msg=NULL;
jl_array_t *kwargs=NULL;
JL_GC_PUSH6(&group, &id, &file, &line, &msg, &kwargs);
group = scm_to_julia(fl_ctx, arg_group, NULL);
id = scm_to_julia(fl_ctx, arg_id, NULL);
file = scm_to_julia(fl_ctx, arg_file, NULL);
line = scm_to_julia(fl_ctx, arg_line, NULL);
msg = scm_to_julia(fl_ctx, arg_msg, NULL);
kwargs = jl_alloc_vec_any(kwargs_len);
for (int i = 0; i < kwargs_len; ++i) {
jl_array_ptr_set(kwargs, i, scm_to_julia(fl_ctx, arg_kwargs[i], NULL));
}
jl_log(numval(arg_level), NULL, group, id, file, line, (jl_value_t*)kwargs, msg);
JL_GC_POP();
return fl_ctx->T;
}
static const builtinspec_t julia_flisp_ast_ext[] = {
{ "defined-julia-global", fl_defined_julia_global },
{ "current-julia-module-counter", fl_current_module_counter },
{ "julia-scalar?", fl_julia_scalar },
{ "julia-logmsg", fl_julia_logmsg },
{ NULL, NULL }
};
static void jl_init_ast_ctx(jl_ast_context_t *ast_ctx)
{
fl_context_t *fl_ctx = &ast_ctx->fl;
fl_init(fl_ctx, 4*1024*1024);
if (fl_load_system_image_str(fl_ctx, (char*)flisp_system_image,
sizeof(flisp_system_image))) {
jl_error("fatal error loading system image");
}
fl_applyn(fl_ctx, 0, symbol_value(symbol(fl_ctx, "__init_globals")));
jl_ast_context_t *ctx = jl_ast_ctx(fl_ctx);
ctx->jvtype = define_opaque_type(fl_ctx->jl_sym, sizeof(void*), NULL, NULL);
assign_global_builtins(fl_ctx, julia_flisp_ast_ext);
ctx->true_sym = symbol(fl_ctx, "true");
ctx->false_sym = symbol(fl_ctx, "false");
ctx->error_sym = symbol(fl_ctx, "error");
ctx->null_sym = symbol(fl_ctx, "null");
ctx->ssavalue_sym = symbol(fl_ctx, "ssavalue");
ctx->slot_sym = symbol(fl_ctx, "slot");
ctx->task = NULL;
ctx->module = NULL;
set(symbol(fl_ctx, "*depwarn-opt*"), fixnum(jl_options.depwarn));
}
// There should be no GC allocation while holding this lock
static jl_mutex_t flisp_lock;
static jl_ast_context_list_t *jl_ast_ctx_using = NULL;
static jl_ast_context_list_t *jl_ast_ctx_freed = NULL;
static jl_ast_context_t *jl_ast_ctx_enter(void)
{
jl_ptls_t ptls = jl_get_ptls_states();
JL_SIGATOMIC_BEGIN();
JL_LOCK_NOGC(&flisp_lock);
jl_ast_context_list_t *node;
jl_ast_context_t *ctx;
// First check if the current task is using one of the contexts
for (node = jl_ast_ctx_using;node;(node = node->next)) {
ctx = jl_ast_context_list_item(node);
if (ctx->task == ptls->current_task) {
ctx->ref++;
JL_UNLOCK_NOGC(&flisp_lock);
return ctx;
}
}
// If not, grab one from the free list
if ((node = jl_ast_ctx_freed)) {
jl_ast_context_list_delete(node);
jl_ast_context_list_insert(&jl_ast_ctx_using, node);
ctx = jl_ast_context_list_item(node);
ctx->ref = 1;
ctx->task = ptls->current_task;
ctx->module = NULL;
JL_UNLOCK_NOGC(&flisp_lock);
return ctx;
}
// Construct a new one if we can't find any
ctx = (jl_ast_context_t*)calloc(1, sizeof(jl_ast_context_t));
ctx->ref = 1;
ctx->task = ptls->current_task;
node = &ctx->list;
jl_ast_context_list_insert(&jl_ast_ctx_using, node);
JL_UNLOCK_NOGC(&flisp_lock);
jl_init_ast_ctx(ctx);
return ctx;
}
static void jl_ast_ctx_leave(jl_ast_context_t *ctx)
{
JL_SIGATOMIC_END();
if (--ctx->ref)
return;
JL_LOCK_NOGC(&flisp_lock);
ctx->task = NULL;
jl_ast_context_list_t *node = &ctx->list;
jl_ast_context_list_delete(node);
jl_ast_context_list_insert(&jl_ast_ctx_freed, node);
JL_UNLOCK_NOGC(&flisp_lock);
}
void jl_init_frontend(void)
{
jl_ptls_t ptls = jl_get_ptls_states();
if (jl_ast_ctx_using || jl_ast_ctx_freed)
return;
jl_ast_main_ctx.ref = 1;
jl_ast_main_ctx.task = ptls->current_task;
jl_ast_context_list_insert(&jl_ast_ctx_using, &jl_ast_main_ctx.list);
jl_init_ast_ctx(&jl_ast_main_ctx);
// To match the one in jl_ast_ctx_leave
JL_SIGATOMIC_BEGIN();
jl_ast_ctx_leave(&jl_ast_main_ctx);
empty_sym = jl_symbol("");
call_sym = jl_symbol("call");
invoke_sym = jl_symbol("invoke");
foreigncall_sym = jl_symbol("foreigncall");
cfunction_sym = jl_symbol("cfunction");
quote_sym = jl_symbol("quote");
inert_sym = jl_symbol("inert");
top_sym = jl_symbol("top");
core_sym = jl_symbol("core");
globalref_sym = jl_symbol("globalref");
line_sym = jl_symbol("line");
jl_incomplete_sym = jl_symbol("incomplete");
error_sym = jl_symbol("error");
goto_sym = jl_symbol("goto");
goto_ifnot_sym = jl_symbol("gotoifnot");
label_sym = jl_symbol("label");
return_sym = jl_symbol("return");
unreachable_sym = jl_symbol("unreachable");
tuple_sym = jl_symbol("tuple");
lambda_sym = jl_symbol("lambda");
module_sym = jl_symbol("module");
export_sym = jl_symbol("export");
import_sym = jl_symbol("import");
using_sym = jl_symbol("using");
importall_sym = jl_symbol("importall");
assign_sym = jl_symbol("=");
body_sym = jl_symbol("body");
colons_sym = jl_symbol("::");
method_sym = jl_symbol("method");
exc_sym = jl_symbol("the_exception");
enter_sym = jl_symbol("enter");
leave_sym = jl_symbol("leave");
new_sym = jl_symbol("new");
const_sym = jl_symbol("const");
global_sym = jl_symbol("global");
thunk_sym = jl_symbol("thunk");
underscore_sym = jl_symbol("_");
amp_sym = jl_symbol("&");
abstracttype_sym = jl_symbol("abstract_type");
primtype_sym = jl_symbol("primitive_type");
structtype_sym = jl_symbol("struct_type");
toplevel_sym = jl_symbol("toplevel");
dot_sym = jl_symbol(".");
colon_sym = jl_symbol(":");
boundscheck_sym = jl_symbol("boundscheck");
inbounds_sym = jl_symbol("inbounds");
fastmath_sym = jl_symbol("fastmath");
newvar_sym = jl_symbol("newvar");
copyast_sym = jl_symbol("copyast");
simdloop_sym = jl_symbol("simdloop");
pure_sym = jl_symbol("pure");
meta_sym = jl_symbol("meta");
dots_sym = jl_symbol("...");
list_sym = jl_symbol("list");
unused_sym = jl_symbol("#unused#");
slot_sym = jl_symbol("slot");
static_parameter_sym = jl_symbol("static_parameter");
compiler_temp_sym = jl_symbol("#temp#");
inline_sym = jl_symbol("inline");
noinline_sym = jl_symbol("noinline");
polly_sym = jl_symbol("polly");
propagate_inbounds_sym = jl_symbol("propagate_inbounds");
isdefined_sym = jl_symbol("isdefined");
nospecialize_sym = jl_symbol("nospecialize");
specialize_sym = jl_symbol("specialize");
macrocall_sym = jl_symbol("macrocall");
escape_sym = jl_symbol("escape");
hygienicscope_sym = jl_symbol("hygienic-scope");
gc_preserve_begin_sym = jl_symbol("gc_preserve_begin");
gc_preserve_end_sym = jl_symbol("gc_preserve_end");
generated_sym = jl_symbol("generated");
generated_only_sym = jl_symbol("generated_only");
throw_undef_if_not_sym = jl_symbol("throw_undef_if_not");
getfield_undefref_sym = jl_symbol("##getfield##");
do_sym = jl_symbol("do");
}
JL_DLLEXPORT void jl_lisp_prompt(void)
{
// Make `--lisp` sigatomic in order to avoid triggering the sigint safepoint.
// We don't have our signal handler registered in that case anyway...
JL_SIGATOMIC_BEGIN();
jl_init_frontend();
jl_ast_context_t *ctx = jl_ast_ctx_enter();
JL_AST_PRESERVE_PUSH(ctx, old_roots, jl_main_module);
fl_context_t *fl_ctx = &ctx->fl;
fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "__start")), fl_cons(fl_ctx, fl_ctx->NIL,fl_ctx->NIL));
JL_AST_PRESERVE_POP(ctx, old_roots);
jl_ast_ctx_leave(ctx);
}
JL_DLLEXPORT void fl_show_profile(void)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
fl_applyn(fl_ctx, 0, symbol_value(symbol(fl_ctx, "show-profiles")));
jl_ast_ctx_leave(ctx);
}
JL_DLLEXPORT void fl_clear_profile(void)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
fl_applyn(fl_ctx, 0, symbol_value(symbol(fl_ctx, "clear-profiles")));
jl_ast_ctx_leave(ctx);
}
JL_DLLEXPORT void fl_profile(const char *fname)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "profile-e")), symbol(fl_ctx, fname));
jl_ast_ctx_leave(ctx);
}
static jl_sym_t *scmsym_to_julia(fl_context_t *fl_ctx, value_t s)
{
assert(issymbol(s));
if (fl_isgensym(fl_ctx, s)) {
char gsname[16];
char *n = uint2str(&gsname[1], sizeof(gsname)-1,
((gensym_t*)ptr(s))->id, 10);
*(--n) = '#';
return jl_symbol(n);
}
return jl_symbol(symbol_name(fl_ctx, s));
}
static jl_value_t *scm_to_julia(fl_context_t *fl_ctx, value_t e, jl_module_t *mod)
{
jl_value_t *v = NULL;
JL_GC_PUSH1(&v);
JL_TRY {
v = scm_to_julia_(fl_ctx, e, mod);
}
JL_CATCH {
// if expression cannot be converted, replace with error expr
jl_expr_t *ex = jl_exprn(error_sym, 1);
v = (jl_value_t*)ex;
jl_array_ptr_set(ex->args, 0, jl_cstr_to_string("invalid AST"));
}
JL_GC_POP();
return v;
}
extern int64_t conv_to_int64(void *data, numerictype_t tag);
static jl_value_t *scm_to_julia_(fl_context_t *fl_ctx, value_t e, jl_module_t *mod)
{
if (fl_isnumber(fl_ctx, e)) {
int64_t i64;
if (isfixnum(e)) {
i64 = numval(e);
}
else {
assert(iscprim(e));
cprim_t *cp = (cprim_t*)ptr(e);
numerictype_t nt = cp_numtype(cp);
switch (nt) {
case T_DOUBLE:
return (jl_value_t*)jl_box_float64(*(double*)cp_data(cp));
case T_FLOAT:
return (jl_value_t*)jl_box_float32(*(float*)cp_data(cp));
case T_UINT8:
return (jl_value_t*)jl_box_uint8(*(uint8_t*)cp_data(cp));
case T_UINT16:
return (jl_value_t*)jl_box_uint16(*(uint16_t*)cp_data(cp));
case T_UINT32:
return (jl_value_t*)jl_box_uint32(*(uint32_t*)cp_data(cp));
case T_UINT64:
return (jl_value_t*)jl_box_uint64(*(uint64_t*)cp_data(cp));
default:
;
}
i64 = conv_to_int64(cp_data(cp), nt);
}
#ifdef _P64
return (jl_value_t*)jl_box_int64(i64);
#else
if (i64 > (int64_t)S32_MAX || i64 < (int64_t)S32_MIN)
return (jl_value_t*)jl_box_int64(i64);
else
return (jl_value_t*)jl_box_int32((int32_t)i64);
#endif
}
if (issymbol(e)) {
if (e == jl_ast_ctx(fl_ctx)->true_sym)
return jl_true;
else if (e == jl_ast_ctx(fl_ctx)->false_sym)
return jl_false;
return (jl_value_t*)scmsym_to_julia(fl_ctx, e);
}
if (fl_isstring(fl_ctx, e))
return jl_pchar_to_string((char*)cvalue_data(e), cvalue_len(e));
if (iscons(e) || e == fl_ctx->NIL) {
value_t hd;
jl_sym_t *sym;
if (e == fl_ctx->NIL) {
hd = e;
}
else {
hd = car_(e);
if (hd == jl_ast_ctx(fl_ctx)->ssavalue_sym)
return jl_box_ssavalue(numval(car_(cdr_(e))));
else if (hd == jl_ast_ctx(fl_ctx)->slot_sym)
return jl_box_slotnumber(numval(car_(cdr_(e))));
else if (hd == jl_ast_ctx(fl_ctx)->null_sym && llength(e) == 1)
return jl_nothing;
}
if (issymbol(hd))
sym = scmsym_to_julia(fl_ctx, hd);
else
sym = list_sym;
size_t n = llength(e)-1;
if (issymbol(hd))
e = cdr_(e);
else
n++;
// nodes with special representations
jl_value_t *ex = NULL, *temp = NULL;
if (sym == line_sym && (n == 1 || n == 2)) {
jl_value_t *linenum = scm_to_julia_(fl_ctx, car_(e), mod);
jl_value_t *file = jl_nothing;
JL_GC_PUSH2(&linenum, &file);
if (n == 2)
file = scm_to_julia_(fl_ctx, car_(cdr_(e)), mod);
temp = jl_new_struct(jl_linenumbernode_type, linenum, file);
JL_GC_POP();
return temp;
}
JL_GC_PUSH1(&ex);
if (sym == goto_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_gotonode_type, ex);
}
else if (sym == newvar_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_newvarnode_type, ex);
}
else if (sym == globalref_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = scm_to_julia_(fl_ctx, car_(cdr_(e)), mod);
assert(jl_is_module(ex));
assert(jl_is_symbol(temp));
temp = jl_module_globalref((jl_module_t*)ex, (jl_sym_t*)temp);
}
else if (sym == top_sym) {
assert(mod && "top should not be generated by the parser");
ex = scm_to_julia_(fl_ctx, car_(e), mod);
assert(jl_is_symbol(ex));
temp = jl_module_globalref(jl_base_relative_to(mod), (jl_sym_t*)ex);
}
else if (sym == core_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
assert(jl_is_symbol(ex));
temp = jl_module_globalref(jl_core_module, (jl_sym_t*)ex);
}
else if (sym == inert_sym || (sym == quote_sym && (!iscons(car_(e))))) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
temp = jl_new_struct(jl_quotenode_type, ex);
}
else if (sym == thunk_sym) {
ex = scm_to_julia_(fl_ctx, car_(e), mod);
assert(jl_is_code_info(ex));
jl_linenumber_to_lineinfo((jl_code_info_t*)ex, mod, jl_symbol("top-level scope"));
temp = (jl_value_t*)jl_exprn(sym, 1);
jl_exprargset(temp, 0, ex);
}
if (temp) {
JL_GC_POP();
return temp;
}
ex = (jl_value_t*)jl_exprn(sym, n);
size_t i;
for (i = 0; i < n; i++) {
assert(iscons(e));
jl_array_ptr_set(((jl_expr_t*)ex)->args, i, scm_to_julia_(fl_ctx, car_(e), mod));
e = cdr_(e);
}
if (sym == lambda_sym)
ex = (jl_value_t*)jl_new_code_info_from_ast((jl_expr_t*)ex);
JL_GC_POP();
if (sym == list_sym)
return (jl_value_t*)((jl_expr_t*)ex)->args;
return (jl_value_t*)ex;
}
if (iscprim(e) && cp_class((cprim_t*)ptr(e)) == fl_ctx->wchartype) {
uint32_t c, u = *(uint32_t*)cp_data((cprim_t*)ptr(e));
if (u < 0x80) {
c = u << 24;
} else {
c = ((u << 0) & 0x0000003f) | ((u << 2) & 0x00003f00) |
((u << 4) & 0x003f0000) | ((u << 6) & 0x3f000000);
c = u < 0x00000800 ? (c << 16) | 0xc0800000 :
u < 0x00010000 ? (c << 8) | 0xe0808000 :
(c << 0) | 0xf0808080 ;
}
return jl_box_char(c);
}
if (iscvalue(e) && cv_class((cvalue_t*)ptr(e)) == jl_ast_ctx(fl_ctx)->jvtype) {
return *(jl_value_t**)cv_data((cvalue_t*)ptr(e));
}
jl_error("malformed tree");
}
static value_t julia_to_scm_(fl_context_t *fl_ctx, jl_value_t *v);
static value_t julia_to_scm(fl_context_t *fl_ctx, jl_value_t *v)
{
value_t temp;
// need try/catch to reset GC handle stack in case of error
FL_TRY_EXTERN(fl_ctx) {
temp = julia_to_scm_(fl_ctx, v);
}
FL_CATCH_EXTERN(fl_ctx) {
temp = fl_ctx->lasterror;
}
return temp;
}
static void array_to_list(fl_context_t *fl_ctx, jl_array_t *a, value_t *pv)
{
if (jl_array_len(a) > 300000)
lerror(fl_ctx, symbol(fl_ctx, "error"), "expression too large");
value_t temp;
for(long i=jl_array_len(a)-1; i >= 0; i--) {
*pv = fl_cons(fl_ctx, fl_ctx->NIL, *pv);
temp = julia_to_scm_(fl_ctx, jl_array_ptr_ref(a,i));
// note: must be separate statement
car_(*pv) = temp;
}
}
static value_t julia_to_list2(fl_context_t *fl_ctx, jl_value_t *a, jl_value_t *b)
{
value_t sa = julia_to_scm_(fl_ctx, a);
fl_gc_handle(fl_ctx, &sa);
value_t sb = julia_to_scm_(fl_ctx, b);
value_t l = fl_list2(fl_ctx, sa, sb);
fl_free_gc_handles(fl_ctx, 1);
return l;
}
static value_t julia_to_scm_(fl_context_t *fl_ctx, jl_value_t *v)
{
if (v == NULL)
lerror(fl_ctx, symbol(fl_ctx, "error"), "undefined reference in AST");
if (jl_is_symbol(v))
return symbol(fl_ctx, jl_symbol_name((jl_sym_t*)v));
if (v == jl_true)
return jl_ast_ctx(fl_ctx)->true_sym;
if (v == jl_false)
return jl_ast_ctx(fl_ctx)->false_sym;
if (v == jl_nothing)
return fl_cons(fl_ctx, jl_ast_ctx(fl_ctx)->null_sym, fl_ctx->NIL);
if (jl_is_expr(v)) {
jl_expr_t *ex = (jl_expr_t*)v;
value_t args = fl_ctx->NIL;
fl_gc_handle(fl_ctx, &args);
array_to_list(fl_ctx, ex->args, &args);
value_t hd = julia_to_scm_(fl_ctx, (jl_value_t*)ex->head);
if (ex->head == lambda_sym && jl_expr_nargs(ex)>0 && jl_is_array(jl_exprarg(ex,0))) {
value_t llist = fl_ctx->NIL;
fl_gc_handle(fl_ctx, &llist);
array_to_list(fl_ctx, (jl_array_t*)jl_exprarg(ex,0), &llist);
car_(args) = llist;
fl_free_gc_handles(fl_ctx, 1);
}
value_t scmv = fl_cons(fl_ctx, hd, args);
fl_free_gc_handles(fl_ctx, 1);
return scmv;
}
// GC Note: jl_fieldref(v, 0) allocates for GotoNode
// but we don't need a GC root here because julia_to_list2
// shouldn't allocate in this case.
if (jl_typeis(v, jl_linenumbernode_type)) {
jl_value_t *file = jl_fieldref_noalloc(v,1); // non-allocating
jl_value_t *line = jl_fieldref(v,0); // allocating
value_t args = julia_to_list2(fl_ctx, line, file);
fl_gc_handle(fl_ctx, &args);
value_t hd = julia_to_scm_(fl_ctx, (jl_value_t*)line_sym);
value_t scmv = fl_cons(fl_ctx, hd, args);
fl_free_gc_handles(fl_ctx, 1);
return scmv;
}
if (jl_typeis(v, jl_gotonode_type))
return julia_to_list2(fl_ctx, (jl_value_t*)goto_sym, jl_fieldref(v,0));
if (jl_typeis(v, jl_quotenode_type))
return julia_to_list2(fl_ctx, (jl_value_t*)inert_sym, jl_fieldref(v,0));
if (jl_typeis(v, jl_newvarnode_type))
return julia_to_list2(fl_ctx, (jl_value_t*)newvar_sym, jl_fieldref(v,0));
if (jl_typeis(v, jl_globalref_type)) {
jl_module_t *m = jl_globalref_mod(v);
jl_sym_t *sym = jl_globalref_name(v);
if (m == jl_core_module)
return julia_to_list2(fl_ctx, (jl_value_t*)core_sym,
(jl_value_t*)sym);
value_t args = julia_to_list2(fl_ctx, (jl_value_t*)m, (jl_value_t*)sym);
fl_gc_handle(fl_ctx, &args);
value_t hd = julia_to_scm_(fl_ctx, (jl_value_t*)globalref_sym);
value_t scmv = fl_cons(fl_ctx, hd, args);
fl_free_gc_handles(fl_ctx, 1);
return scmv;
}
if (jl_is_long(v) && fits_fixnum(jl_unbox_long(v)))
return fixnum(jl_unbox_long(v));
if (jl_is_ssavalue(v))
lerror(fl_ctx, symbol(fl_ctx, "error"), "SSAValue objects should not occur in an AST");
if (jl_is_slot(v))
lerror(fl_ctx, symbol(fl_ctx, "error"), "Slot objects should not occur in an AST");
value_t opaque = cvalue(fl_ctx, jl_ast_ctx(fl_ctx)->jvtype, sizeof(void*));
*(jl_value_t**)cv_data((cvalue_t*)ptr(opaque)) = v;
return opaque;
}
// this is used to parse a line of repl input
JL_DLLEXPORT jl_value_t *jl_parse_input_line(const char *str, size_t len, const char *filename, size_t filename_len)
{
JL_TIMING(PARSING);
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
value_t s = cvalue_static_cstrn(fl_ctx, str, len);
value_t files = cvalue_static_cstrn(fl_ctx, filename, filename_len);
value_t e = fl_applyn(fl_ctx, 2, symbol_value(symbol(fl_ctx, "jl-parse-string")), s, files);
jl_value_t *res = e == fl_ctx->FL_EOF ? jl_nothing : scm_to_julia(fl_ctx, e, NULL);
jl_ast_ctx_leave(ctx);
return res;
}
// this is for parsing one expression out of a string, keeping track of
// the current position.
JL_DLLEXPORT jl_value_t *jl_parse_string(const char *str, size_t len,
int pos0, int greedy)
{
JL_TIMING(PARSING);
if (pos0 < 0 || pos0 > len) {
jl_array_t *buf = jl_pchar_to_array(str, len);
JL_GC_PUSH1(&buf);
// jl_bounds_error roots the arguments.
jl_bounds_error((jl_value_t*)buf, jl_box_long(pos0));
}
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
value_t s = cvalue_static_cstrn(fl_ctx, str, len);
value_t p = fl_applyn(fl_ctx, 3, symbol_value(symbol(fl_ctx, "jl-parse-one-string")),
s, fixnum(pos0), greedy?fl_ctx->T:fl_ctx->F);
jl_value_t *expr=NULL, *pos1=NULL;
JL_GC_PUSH2(&expr, &pos1);
value_t e = car_(p);
if (e == fl_ctx->FL_EOF)
expr = jl_nothing;
else
expr = scm_to_julia(fl_ctx, e, NULL);
pos1 = jl_box_long(tosize(fl_ctx, cdr_(p), "parse"));
jl_ast_ctx_leave(ctx);
jl_value_t *result = (jl_value_t*)jl_svec2(expr, pos1);
JL_GC_POP();
return result;
}
// parse and eval a whole file, possibly reading from a string (`content`)
jl_value_t *jl_parse_eval_all(const char *fname,
const char *content, size_t contentlen,
jl_module_t *inmodule)
{
jl_ptls_t ptls = jl_get_ptls_states();
if (ptls->in_pure_callback)
jl_error("cannot use include inside a generated function");
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
value_t f, ast, expression;
size_t len = strlen(fname);
f = cvalue_static_cstrn(fl_ctx, fname, len);
fl_gc_handle(fl_ctx, &f);
if (content != NULL) {
JL_TIMING(PARSING);
value_t t = cvalue_static_cstrn(fl_ctx, content, contentlen);
fl_gc_handle(fl_ctx, &t);
ast = fl_applyn(fl_ctx, 2, symbol_value(symbol(fl_ctx, "jl-parse-string-stream")), t, f);
fl_free_gc_handles(fl_ctx, 1);
}
else {
JL_TIMING(PARSING);
assert(memchr(fname, 0, len) == NULL); // was checked already in jl_load
ast = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "jl-parse-file")), f);
}
fl_free_gc_handles(fl_ctx, 1);
if (ast == fl_ctx->F) {
jl_ast_ctx_leave(ctx);
jl_errorf("could not open file %s", fname);
}
fl_gc_handle(fl_ctx, &ast);
fl_gc_handle(fl_ctx, &expression);
int last_lineno = jl_lineno;
const char *last_filename = jl_filename;
size_t last_age = jl_get_ptls_states()->world_age;
jl_lineno = 0;
jl_filename = fname;
jl_module_t *old_module = ctx->module;
ctx->module = inmodule;
jl_value_t *form = NULL;
jl_value_t *result = jl_nothing;
int err = 0;
JL_GC_PUSH2(&form, &result);
JL_TRY {
assert(iscons(ast) && car_(ast) == symbol(fl_ctx, "toplevel"));
ast = cdr_(ast);
while (iscons(ast)) {
expression = car_(ast);
{
JL_TIMING(LOWERING);
if (fl_ctx->T == fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "contains-macrocall")), expression)) {
form = scm_to_julia(fl_ctx, expression, inmodule);
form = jl_expand_macros(form, inmodule, NULL, 0);
expression = julia_to_scm(fl_ctx, form);
}
// expand non-final expressions in statement position (value unused)
expression =
fl_applyn(fl_ctx, 1,
symbol_value(symbol(fl_ctx, iscons(cdr_(ast)) ? "jl-expand-to-thunk-stmt" : "jl-expand-to-thunk")),
expression);
}
jl_get_ptls_states()->world_age = jl_world_counter;
form = scm_to_julia(fl_ctx, expression, inmodule);
JL_SIGATOMIC_END();
jl_get_ptls_states()->world_age = jl_world_counter;
if (jl_is_linenode(form))
jl_lineno = jl_linenode_line(form);
else
result = jl_toplevel_eval_flex(inmodule, form, 1, 1);
JL_SIGATOMIC_BEGIN();
ast = cdr_(ast);
}
}
JL_CATCH {
form = jl_pchar_to_string(fname, len);
result = jl_box_long(jl_lineno);
err = 1;
}
jl_get_ptls_states()->world_age = last_age;
jl_lineno = last_lineno;
jl_filename = last_filename;
fl_free_gc_handles(fl_ctx, 2);
ctx->module = old_module;
jl_ast_ctx_leave(ctx);
if (err) {
if (jl_loaderror_type == NULL)
jl_rethrow();
else
jl_rethrow_other(jl_new_struct(jl_loaderror_type, form, result,
ptls->exception_in_transit));
}
JL_GC_POP();
return result;
}
JL_DLLEXPORT jl_value_t *jl_load_file_string(const char *text, size_t len,
char *filename, jl_module_t *inmodule)
{
return jl_parse_eval_all(filename, text, len, inmodule);
}
// returns either an expression or a thunk
jl_value_t *jl_call_scm_on_ast(const char *funcname, jl_value_t *expr, jl_module_t *inmodule)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
JL_AST_PRESERVE_PUSH(ctx, old_roots, inmodule);
value_t arg = julia_to_scm(fl_ctx, expr);
value_t e = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, funcname)), arg);
jl_value_t *result = scm_to_julia(fl_ctx, e, inmodule);
JL_AST_PRESERVE_POP(ctx, old_roots);
jl_ast_ctx_leave(ctx);
return result;
}
// syntax tree accessors
JL_DLLEXPORT jl_value_t *jl_copy_ast(jl_value_t *expr)
{
if (expr && jl_is_expr(expr)) {
jl_expr_t *e = (jl_expr_t*)expr;
size_t i, l = jl_array_len(e->args);
jl_expr_t *ne = jl_exprn(e->head, l);
JL_GC_PUSH2(&ne, &expr);
for (i = 0; i < l; i++) {
jl_value_t *a = jl_exprarg(e, i);
jl_exprargset(ne, i, jl_copy_ast(a));
}
JL_GC_POP();
return (jl_value_t*)ne;
}
return expr;
}
JL_DLLEXPORT int jl_is_operator(char *sym)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
int res = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "operator?")), symbol(fl_ctx, sym)) == fl_ctx->T;
jl_ast_ctx_leave(ctx);
return res;
}
JL_DLLEXPORT int jl_is_unary_operator(char *sym)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
int res = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "unary-op?")), symbol(fl_ctx, sym)) == fl_ctx->T;
jl_ast_ctx_leave(ctx);
return res;
}
JL_DLLEXPORT int jl_is_unary_and_binary_operator(char *sym)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
int res = fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "unary-and-binary-op?")), symbol(fl_ctx, sym)) == fl_ctx->T;
jl_ast_ctx_leave(ctx);
return res;
}
JL_DLLEXPORT int jl_operator_precedence(char *sym)
{
jl_ast_context_t *ctx = jl_ast_ctx_enter();
fl_context_t *fl_ctx = &ctx->fl;
int res = numval(fl_applyn(fl_ctx, 1, symbol_value(symbol(fl_ctx, "operator-precedence")), symbol(fl_ctx, sym)));
jl_ast_ctx_leave(ctx);
return res;
}
int jl_has_meta(jl_array_t *body, jl_sym_t *sym)
{
size_t i, l = jl_array_len(body);
for (i = 0; i < l; i++) {
jl_expr_t *stmt = (jl_expr_t*)jl_array_ptr_ref(body, i);
if (jl_is_expr((jl_value_t*)stmt) && stmt->head == meta_sym) {
size_t i, l = jl_array_len(stmt->args);
for (i = 0; i < l; i++)
if (jl_array_ptr_ref(stmt->args, i) == (jl_value_t*)sym)
return 1;
}
}
return 0;
}
static jl_value_t *jl_invoke_julia_macro(jl_array_t *args, jl_module_t *inmodule, jl_module_t **ctx)
{
jl_ptls_t ptls = jl_get_ptls_states();
JL_TIMING(MACRO_INVOCATION);
size_t nargs = jl_array_len(args) + 1;
JL_NARGSV("macrocall", 3); // macro name, location, and module
jl_value_t **margs;
JL_GC_PUSHARGS(margs, nargs);
int i;
margs[0] = jl_array_ptr_ref(args, 0);
// __source__ argument
jl_value_t *lno = jl_array_ptr_ref(args, 1);
margs[1] = lno;
if (!jl_typeis(lno, jl_linenumbernode_type)) {
margs[1] = jl_new_struct(jl_linenumbernode_type, jl_box_long(0), jl_nothing);
}
margs[2] = (jl_value_t*)inmodule;
for (i = 3; i < nargs; i++)
margs[i] = jl_array_ptr_ref(args, i - 1);
size_t last_age = ptls->world_age;
size_t world = jl_world_counter;
ptls->world_age = world;
jl_value_t *result;
JL_TRY {
margs[0] = jl_toplevel_eval(*ctx, margs[0]);
jl_method_instance_t *mfunc = jl_method_lookup(jl_gf_mtable(margs[0]), margs, nargs, 1, world);