forked from vim/vim
-
Notifications
You must be signed in to change notification settings - Fork 0
/
evalfunc.c
10818 lines (9949 loc) · 265 KB
/
evalfunc.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
/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* evalfunc.c: Builtin functions
*/
#define USING_FLOAT_STUFF
#include "vim.h"
#if defined(FEAT_EVAL) || defined(PROTO)
#ifdef VMS
# include <float.h>
#endif
static void f_and(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_BEVAL
static void f_balloon_gettext(typval_T *argvars, typval_T *rettv);
static void f_balloon_show(typval_T *argvars, typval_T *rettv);
# if defined(FEAT_BEVAL_TERM)
static void f_balloon_split(typval_T *argvars, typval_T *rettv);
# endif
#endif
static void f_byte2line(typval_T *argvars, typval_T *rettv);
static void f_call(typval_T *argvars, typval_T *rettv);
static void f_changenr(typval_T *argvars, typval_T *rettv);
static void f_char2nr(typval_T *argvars, typval_T *rettv);
static void f_charcol(typval_T *argvars, typval_T *rettv);
static void f_col(typval_T *argvars, typval_T *rettv);
static void f_confirm(typval_T *argvars, typval_T *rettv);
static void f_copy(typval_T *argvars, typval_T *rettv);
static void f_cursor(typval_T *argsvars, typval_T *rettv);
#ifdef MSWIN
static void f_debugbreak(typval_T *argvars, typval_T *rettv);
#endif
static void f_deepcopy(typval_T *argvars, typval_T *rettv);
static void f_did_filetype(typval_T *argvars, typval_T *rettv);
static void f_echoraw(typval_T *argvars, typval_T *rettv);
static void f_empty(typval_T *argvars, typval_T *rettv);
static void f_environ(typval_T *argvars, typval_T *rettv);
static void f_escape(typval_T *argvars, typval_T *rettv);
static void f_eval(typval_T *argvars, typval_T *rettv);
static void f_eventhandler(typval_T *argvars, typval_T *rettv);
static void f_execute(typval_T *argvars, typval_T *rettv);
static void f_exists_compiled(typval_T *argvars, typval_T *rettv);
static void f_expand(typval_T *argvars, typval_T *rettv);
static void f_expandcmd(typval_T *argvars, typval_T *rettv);
static void f_feedkeys(typval_T *argvars, typval_T *rettv);
static void f_fnameescape(typval_T *argvars, typval_T *rettv);
static void f_foreground(typval_T *argvars, typval_T *rettv);
static void f_funcref(typval_T *argvars, typval_T *rettv);
static void f_function(typval_T *argvars, typval_T *rettv);
static void f_garbagecollect(typval_T *argvars, typval_T *rettv);
static void f_get(typval_T *argvars, typval_T *rettv);
static void f_getchangelist(typval_T *argvars, typval_T *rettv);
static void f_getcharpos(typval_T *argvars, typval_T *rettv);
static void f_getcharsearch(typval_T *argvars, typval_T *rettv);
static void f_getenv(typval_T *argvars, typval_T *rettv);
static void f_getfontname(typval_T *argvars, typval_T *rettv);
static void f_getjumplist(typval_T *argvars, typval_T *rettv);
static void f_getpid(typval_T *argvars, typval_T *rettv);
static void f_getcurpos(typval_T *argvars, typval_T *rettv);
static void f_getcursorcharpos(typval_T *argvars, typval_T *rettv);
static void f_getpos(typval_T *argvars, typval_T *rettv);
static void f_getreg(typval_T *argvars, typval_T *rettv);
static void f_getreginfo(typval_T *argvars, typval_T *rettv);
static void f_getregtype(typval_T *argvars, typval_T *rettv);
static void f_gettagstack(typval_T *argvars, typval_T *rettv);
static void f_gettext(typval_T *argvars, typval_T *rettv);
static void f_haslocaldir(typval_T *argvars, typval_T *rettv);
static void f_hlID(typval_T *argvars, typval_T *rettv);
static void f_hlexists(typval_T *argvars, typval_T *rettv);
static void f_hostname(typval_T *argvars, typval_T *rettv);
static void f_index(typval_T *argvars, typval_T *rettv);
static void f_indexof(typval_T *argvars, typval_T *rettv);
static void f_input(typval_T *argvars, typval_T *rettv);
static void f_inputdialog(typval_T *argvars, typval_T *rettv);
static void f_inputlist(typval_T *argvars, typval_T *rettv);
static void f_inputrestore(typval_T *argvars, typval_T *rettv);
static void f_inputsave(typval_T *argvars, typval_T *rettv);
static void f_inputsecret(typval_T *argvars, typval_T *rettv);
static void f_interrupt(typval_T *argvars, typval_T *rettv);
static void f_invert(typval_T *argvars, typval_T *rettv);
static void f_islocked(typval_T *argvars, typval_T *rettv);
static void f_keytrans(typval_T *argvars, typval_T *rettv);
static void f_last_buffer_nr(typval_T *argvars, typval_T *rettv);
static void f_libcall(typval_T *argvars, typval_T *rettv);
static void f_libcallnr(typval_T *argvars, typval_T *rettv);
static void f_line(typval_T *argvars, typval_T *rettv);
static void f_line2byte(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_LUA
static void f_luaeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_match(typval_T *argvars, typval_T *rettv);
static void f_matchend(typval_T *argvars, typval_T *rettv);
static void f_matchlist(typval_T *argvars, typval_T *rettv);
static void f_matchstr(typval_T *argvars, typval_T *rettv);
static void f_matchstrpos(typval_T *argvars, typval_T *rettv);
static void f_max(typval_T *argvars, typval_T *rettv);
static void f_min(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_MZSCHEME
static void f_mzeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_nextnonblank(typval_T *argvars, typval_T *rettv);
static void f_nr2char(typval_T *argvars, typval_T *rettv);
static void f_or(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_PERL
static void f_perleval(typval_T *argvars, typval_T *rettv);
#endif
static void f_prevnonblank(typval_T *argvars, typval_T *rettv);
static void f_printf(typval_T *argvars, typval_T *rettv);
static void f_pum_getpos(typval_T *argvars, typval_T *rettv);
static void f_pumvisible(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_PYTHON3
static void f_py3eval(typval_T *argvars, typval_T *rettv);
#endif
#ifdef FEAT_PYTHON
static void f_pyeval(typval_T *argvars, typval_T *rettv);
#endif
#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3)
static void f_pyxeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_test_srand_seed(typval_T *argvars, typval_T *rettv);
static void f_rand(typval_T *argvars, typval_T *rettv);
static void f_range(typval_T *argvars, typval_T *rettv);
static void f_reg_executing(typval_T *argvars, typval_T *rettv);
static void f_reg_recording(typval_T *argvars, typval_T *rettv);
static void f_rename(typval_T *argvars, typval_T *rettv);
static void f_repeat(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_RUBY
static void f_rubyeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_screenattr(typval_T *argvars, typval_T *rettv);
static void f_screenchar(typval_T *argvars, typval_T *rettv);
static void f_screenchars(typval_T *argvars, typval_T *rettv);
static void f_screencol(typval_T *argvars, typval_T *rettv);
static void f_screenrow(typval_T *argvars, typval_T *rettv);
static void f_screenstring(typval_T *argvars, typval_T *rettv);
static void f_search(typval_T *argvars, typval_T *rettv);
static void f_searchdecl(typval_T *argvars, typval_T *rettv);
static void f_searchpair(typval_T *argvars, typval_T *rettv);
static void f_searchpairpos(typval_T *argvars, typval_T *rettv);
static void f_searchpos(typval_T *argvars, typval_T *rettv);
static void f_setcharpos(typval_T *argvars, typval_T *rettv);
static void f_setcharsearch(typval_T *argvars, typval_T *rettv);
static void f_setcursorcharpos(typval_T *argvars, typval_T *rettv);
static void f_setenv(typval_T *argvars, typval_T *rettv);
static void f_setfperm(typval_T *argvars, typval_T *rettv);
static void f_setpos(typval_T *argvars, typval_T *rettv);
static void f_setreg(typval_T *argvars, typval_T *rettv);
static void f_settagstack(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_CRYPT
static void f_sha256(typval_T *argvars, typval_T *rettv);
#endif
static void f_shellescape(typval_T *argvars, typval_T *rettv);
static void f_shiftwidth(typval_T *argvars, typval_T *rettv);
static void f_soundfold(typval_T *argvars, typval_T *rettv);
static void f_spellbadword(typval_T *argvars, typval_T *rettv);
static void f_spellsuggest(typval_T *argvars, typval_T *rettv);
static void f_split(typval_T *argvars, typval_T *rettv);
static void f_srand(typval_T *argvars, typval_T *rettv);
static void f_submatch(typval_T *argvars, typval_T *rettv);
static void f_substitute(typval_T *argvars, typval_T *rettv);
static void f_swapfilelist(typval_T *argvars, typval_T *rettv);
static void f_swapinfo(typval_T *argvars, typval_T *rettv);
static void f_swapname(typval_T *argvars, typval_T *rettv);
static void f_synID(typval_T *argvars, typval_T *rettv);
static void f_synIDattr(typval_T *argvars, typval_T *rettv);
static void f_synIDtrans(typval_T *argvars, typval_T *rettv);
static void f_synstack(typval_T *argvars, typval_T *rettv);
static void f_synconcealed(typval_T *argvars, typval_T *rettv);
static void f_tabpagebuflist(typval_T *argvars, typval_T *rettv);
static void f_taglist(typval_T *argvars, typval_T *rettv);
static void f_tagfiles(typval_T *argvars, typval_T *rettv);
static void f_type(typval_T *argvars, typval_T *rettv);
static void f_virtcol(typval_T *argvars, typval_T *rettv);
static void f_visualmode(typval_T *argvars, typval_T *rettv);
static void f_wildmenumode(typval_T *argvars, typval_T *rettv);
static void f_windowsversion(typval_T *argvars, typval_T *rettv);
static void f_wordcount(typval_T *argvars, typval_T *rettv);
static void f_xor(typval_T *argvars, typval_T *rettv);
/*
* Functions that check the argument type of a builtin function.
* Each function returns FAIL and gives an error message if the type is wrong.
*/
// Context passed to an arg_ function.
typedef struct {
int arg_count; // actual argument count
type2_T *arg_types; // list of argument types
int arg_idx; // current argument index (first arg is zero)
cctx_T *arg_cctx;
} argcontext_T;
// A function to check one argument type. The first argument is the type to
// check. If needed, other argument types can be obtained with the context.
// E.g. if "arg_idx" is 1, then (type - 1) is the first argument type.
typedef int (*argcheck_T)(type_T *, type_T *, argcontext_T *);
/*
* Call need_type() to check an argument type.
*/
static int
check_arg_type(
type_T *expected,
type_T *actual,
argcontext_T *context)
{
return need_type(actual, expected, FALSE,
context->arg_idx - context->arg_count, context->arg_idx + 1,
context->arg_cctx, FALSE, FALSE);
}
/*
* Call need_type() to check an argument type and that it is modifiable
*/
static int
check_arg_type_mod(
type_T *expected,
type_T *actual,
argcontext_T *context)
{
if (need_type(actual, expected, FALSE,
context->arg_idx - context->arg_count, context->arg_idx + 1,
context->arg_cctx, FALSE, FALSE) == FAIL)
return FAIL;
return arg_type_modifiable(actual, context->arg_idx + 1);
}
/*
* Give an error if "type" is a constant.
*/
int
arg_type_modifiable(type_T *type, int arg_idx)
{
char *tofree;
if ((type->tt_flags & TTFLAG_CONST) == 0)
return OK;
semsg(_(e_argument_nr_trying_to_modify_const_str),
arg_idx, type_name(type, &tofree));
vim_free(tofree);
return FAIL;
}
/*
* Check "type" is a float or a number.
*/
static int
arg_float_or_nr(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_FLOAT
|| type->tt_type == VAR_NUMBER
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_number, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a number.
*/
static int
arg_number(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_number, type, context);
}
/*
* Check "type" is a dict of 'any'.
*/
static int
arg_dict_any(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_dict_any, type, context);
}
/*
* Check "type" is a list of 'any'.
*/
static int
arg_list_any(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_list_any, type, context);
}
/*
* Check "type" is a list of 'any' and modifiable
*/
static int
arg_list_any_mod(
type_T *type,
type_T *decl_type UNUSED,
argcontext_T *context)
{
return check_arg_type_mod(&t_list_any, type, context);
}
/*
* Check "type" is a list of numbers.
*/
static int
arg_list_number(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_list_number, type, context);
}
/*
* Check "type" is a list of strings.
*/
static int
arg_list_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_list_string, type, context);
}
/*
* Check "type" is a string.
*/
static int
arg_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_string, type, context);
}
/*
* Check "type" is a blob
*/
static int
arg_blob(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_blob, type, context);
}
/*
* Check "type" is a bool or number 0 or 1.
*/
static int
arg_bool(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_bool, type, context);
}
/*
* Check "type" is a list of 'any' or a blob.
*/
static int
arg_list_or_blob(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_LIST
|| type->tt_type == VAR_BLOB
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a modifiable list of 'any' or a blob.
*/
static int
arg_list_or_blob_mod(
type_T *type,
type_T *decl_type,
argcontext_T *context)
{
if (arg_list_or_blob(type, decl_type, context) == FAIL)
return FAIL;
return arg_type_modifiable(type, context->arg_idx + 1);
}
/*
* Check "type" is a string or a number
*/
static int
arg_string_or_nr(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a buffer (string or a number)
*/
static int
arg_buffer(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a buffer or a dict of any
*/
static int
arg_buffer_or_dict_any(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_DICT
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a line (string or a number)
*/
static int
arg_lnum(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a list of strings.
*/
static int
arg_string_or_list_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type_any_or_unknown(type))
return OK;
if (type->tt_type != VAR_LIST)
{
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
if (type->tt_member->tt_type == VAR_ANY
|| type->tt_member->tt_type == VAR_STRING)
return OK;
arg_type_mismatch(&t_list_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a list of 'any'
*/
static int
arg_string_or_list_any(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_LIST
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a dict of 'any'
*/
static int
arg_string_or_dict_any(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_DICT
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a blob
*/
static int
arg_string_or_blob(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_BLOB
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a dict of 'any'.
*/
static int
arg_list_or_dict(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a dict of 'any'. And modifiable.
*/
static int
arg_list_or_dict_mod(
type_T *type,
type_T *decl_type,
argcontext_T *context)
{
if (arg_list_or_dict(type, decl_type, context) == FAIL)
return FAIL;
return arg_type_modifiable(type, context->arg_idx + 1);
}
/*
* Check "type" is a list of 'any' or a dict of 'any' or a blob.
* Also check if "type" is modifiable.
*/
static int
arg_list_or_dict_or_blob_mod(
type_T *type,
type_T *decl_type UNUSED,
argcontext_T *context)
{
if (type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type->tt_type == VAR_BLOB
|| type_any_or_unknown(type))
return arg_type_modifiable(type, context->arg_idx + 1);
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a dict of 'any' or a blob or a string.
*/
static int
arg_list_or_dict_or_blob_or_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_STRING
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a dict of 'any' or a blob or a string.
* Also check the value is modifiable.
*/
static int
arg_list_or_dict_or_blob_or_string_mod(
type_T *type,
type_T *decl_type,
argcontext_T *context)
{
if (arg_list_or_dict_or_blob_or_string(type, decl_type, context) == FAIL)
return FAIL;
return arg_type_modifiable(type, context->arg_idx + 1);
}
/*
* Check second argument of map() or filter().
*/
static int
check_map_filter_arg2(type_T *type, argcontext_T *context, int is_map)
{
type_T *expected_member = NULL;
type_T *(args[2]);
type_T t_func_exp = {VAR_FUNC, 2, 0, 0, NULL, NULL, args};
if (context->arg_types[0].type_curr->tt_type == VAR_LIST
|| context->arg_types[0].type_curr->tt_type == VAR_DICT)
{
// Use the declared type if possible, so that an error is given if
// a declared list changes type, but not if a constant list changes
// type.
if (context->arg_types[0].type_decl->tt_type == VAR_LIST
|| context->arg_types[0].type_decl->tt_type == VAR_DICT)
expected_member = context->arg_types[0].type_decl->tt_member;
else
expected_member = context->arg_types[0].type_curr->tt_member;
}
else if (context->arg_types[0].type_curr->tt_type == VAR_STRING)
expected_member = &t_string;
else if (context->arg_types[0].type_curr->tt_type == VAR_BLOB)
expected_member = &t_number;
args[0] = NULL;
args[1] = &t_unknown;
if (type->tt_argcount != -1)
{
if (!(type->tt_argcount == 2 || (type->tt_argcount == 1
&& (type->tt_flags & TTFLAG_VARARGS))))
{
emsg(_(e_invalid_number_of_arguments));
return FAIL;
}
if (type->tt_flags & TTFLAG_VARARGS)
// check the argument types at runtime
t_func_exp.tt_argcount = -1;
else
{
if (context->arg_types[0].type_curr->tt_type == VAR_STRING
|| context->arg_types[0].type_curr->tt_type == VAR_BLOB
|| context->arg_types[0].type_curr->tt_type == VAR_LIST)
args[0] = &t_number;
else if (context->arg_types[0].type_decl->tt_type == VAR_DICT)
args[0] = &t_string;
if (args[0] != NULL)
args[1] = expected_member;
}
}
if (!type_any_or_unknown(type->tt_member) || args[0] != NULL)
{
where_T where = WHERE_INIT;
if (is_map)
t_func_exp.tt_member = expected_member == NULL
|| type_any_or_unknown(type->tt_member)
? &t_any : expected_member;
else
t_func_exp.tt_member = &t_bool;
if (args[0] == NULL)
args[0] = &t_unknown;
if (type->tt_argcount == -1)
t_func_exp.tt_argcount = -1;
where.wt_index = 2;
return check_type(&t_func_exp, type, TRUE, where);
}
return OK;
}
/*
* Check second argument of filter(): func must return a bool.
*/
static int
arg_filter_func(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_PARTIAL
|| type_any_or_unknown(type))
return OK;
if (type->tt_type == VAR_FUNC)
return check_map_filter_arg2(type, context, FALSE);
semsg(_(e_string_or_function_required_for_argument_nr), 2);
return FAIL;
}
/*
* Check second argument of map(), the function.
*/
static int
arg_map_func(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_PARTIAL
|| type_any_or_unknown(type))
return OK;
if (type->tt_type == VAR_FUNC)
return check_map_filter_arg2(type, context, TRUE);
semsg(_(e_string_or_function_required_for_argument_nr), 2);
return FAIL;
}
/*
* Check second argument of sort() and uniq(), the "how" argument.
*/
static int
arg_sort_how(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_PARTIAL
|| type_any_or_unknown(type))
return OK;
if (type->tt_type == VAR_FUNC)
{
type_T *(args[2]);
type_T t_func_exp = {VAR_FUNC, 2, 0, 0, &t_number, NULL, args};
if (context->arg_types[0].type_curr->tt_type == VAR_LIST)
args[0] = context->arg_types[0].type_curr->tt_member;
else
args[0] = &t_unknown;
if (!type_any_or_unknown(type->tt_member) || args[0] != &t_unknown)
{
where_T where = WHERE_INIT;
args[1] = args[0];
if (type->tt_argcount == -1)
t_func_exp.tt_argcount = -1;
where.wt_index = 2;
return check_type(&t_func_exp, type, TRUE, where);
}
return OK;
}
semsg(_(e_string_or_function_required_for_argument_nr), 2);
return FAIL;
}
/*
* Check an expression argument, can be a string, funcref or partial.
* Also accept a bool, a constant resulting from compiling a string argument.
* Also accept a number, one and zero are accepted.
*/
static int
arg_string_or_func(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_PARTIAL
|| type->tt_type == VAR_FUNC
|| type->tt_type == VAR_BOOL
|| type->tt_type == VAR_NUMBER
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_func_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a blob or a string.
*/
static int
arg_string_list_or_blob(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_LIST
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_STRING
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a modifiable list of 'any' or a blob or a string.
*/
static int
arg_string_list_or_blob_mod(type_T *type, type_T *decl_type, argcontext_T *context)
{
if (arg_string_list_or_blob(type, decl_type, context) == FAIL)
return FAIL;
return arg_type_modifiable(type, context->arg_idx + 1);
}
/*
* Check "type" is a job.
*/
static int
arg_job(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
return check_arg_type(&t_job, type, context);
}
/*
* Check "type" is a channel or a job.
*/
static int
arg_chan_or_job(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_CHANNEL
|| type->tt_type == VAR_JOB
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_channel, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" can be used as the type_decl of the previous argument.
* Must not be used for the first argcheck_T entry.
*/
static int
arg_same_as_prev(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
type_T *prev_type = context->arg_types[context->arg_idx - 1].type_decl;
return check_arg_type(prev_type, type, context);
}
/*
* Check "type" is the same basic type as the previous argument, checks list or
* dict vs other type, but not member type.
* Must not be used for the first argcheck_T entry.
*/
static int
arg_same_struct_as_prev(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
type_T *prev_type = context->arg_types[context->arg_idx - 1].type_curr;
if (prev_type->tt_type != context->arg_types[context->arg_idx].type_curr->tt_type)
return check_arg_type(prev_type, type, context);
return OK;
}
/*
* Check "type" is an item of the list or blob of the previous arg.
* Must not be used for the first argcheck_T entry.
*/
static int
arg_item_of_prev(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
type_T *prev_type = context->arg_types[context->arg_idx - 1].type_curr;
type_T *expected;
if (prev_type->tt_type == VAR_LIST)
expected = prev_type->tt_member;
else if (prev_type->tt_type == VAR_BLOB)
expected = &t_number;
else
// probably VAR_ANY, can't check
return OK;
return check_arg_type(expected, type, context);
}
/*
* Check "type" is a string or a number or a list
*/
static int
arg_str_or_nr_or_list(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_LIST
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a dict of 'any' or a string
*/
static int
arg_dict_any_or_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_DICT
|| type->tt_type == VAR_STRING
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the third argument of extend() (number or string or
* any)
*/
static int
arg_extend3(type_T *type, type_T *decl_type, argcontext_T *context)
{
type_T *first_type = context->arg_types[context->arg_idx - 2].type_curr;
if (first_type->tt_type == VAR_LIST)
return arg_number(type, decl_type, context);
if (first_type->tt_type == VAR_DICT)
return arg_string(type, decl_type, context);
return OK;
}
/*
* Check "type" which is the first argument of get() (blob or list or dict or
* funcref)
*/
static int
arg_get1(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_BLOB
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type->tt_type == VAR_FUNC
|| type->tt_type == VAR_PARTIAL
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of len() (number or string or
* blob or list or dict)
*/
static int
arg_len1(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the second argument of remove() (number or string or
* any)
*/
static int
arg_remove2(type_T *type, type_T *decl_type, argcontext_T *context)
{
type_T *first_type = context->arg_types[context->arg_idx - 1].type_curr;
if (first_type->tt_type == VAR_LIST || first_type->tt_type == VAR_BLOB)
return arg_number(type, decl_type, context);
if (first_type->tt_type == VAR_DICT)
return arg_string_or_nr(type, decl_type, context);
return OK;
}
/*
* Check "type" which is the first argument of repeat() (string or number or
* list or any)
*/
static int
arg_repeat1(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_LIST
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of slice() (list or blob or string
* or any)
*/
static int
arg_slice1(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_LIST
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_STRING
|| type_any_or_unknown(type))
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of count() (string or list or dict
* or any)
*/
static int
arg_string_or_list_or_dict(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_STRING
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type_any_or_unknown(type))
return OK;
semsg(_(e_string_list_or_dict_required_for_argument_nr),
context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of cursor() (number or string or
* list or any)
*/
static int
arg_cursor1(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
{
if (type->tt_type == VAR_NUMBER