/
expression.h
1744 lines (1474 loc) · 53.6 KB
/
expression.h
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
// Compiler implementation of the D programming language
// Copyright (c) 1999-2012 by Digital Mars
// All Rights Reserved
// written by Walter Bright
// http://www.digitalmars.com
// License for redistribution is by either the Artistic License
// in artistic.txt, or the GNU General Public License in gnu.txt.
// See the included readme.txt for details.
#ifndef DMD_EXPRESSION_H
#define DMD_EXPRESSION_H
#include "mars.h"
#include "identifier.h"
#include "lexer.h"
#include "arraytypes.h"
#include "intrange.h"
struct Type;
struct TypeVector;
struct Scope;
struct TupleDeclaration;
struct VarDeclaration;
struct FuncDeclaration;
struct FuncLiteralDeclaration;
struct Declaration;
struct CtorDeclaration;
struct NewDeclaration;
struct Dsymbol;
struct Import;
struct Module;
struct ScopeDsymbol;
struct InlineCostState;
struct InlineDoState;
struct InlineScanState;
struct Expression;
struct Declaration;
struct AggregateDeclaration;
struct StructDeclaration;
struct TemplateInstance;
struct TemplateDeclaration;
struct ClassDeclaration;
struct HdrGenState;
struct BinExp;
struct InterState;
struct Symbol; // back end symbol
struct OverloadSet;
struct Initializer;
struct StringExp;
enum TOK;
// Back end
struct IRState;
struct dt_t;
#ifdef IN_GCC
union tree_node; typedef union tree_node elem;
#else
struct elem;
#endif
void initPrecedence();
typedef int (*apply_fp_t)(Expression *, void *);
Expression *resolveProperties(Scope *sc, Expression *e);
void accessCheck(Loc loc, Scope *sc, Expression *e, Declaration *d);
Expression *build_overload(Loc loc, Scope *sc, Expression *ethis, Expression *earg, Dsymbol *d);
Dsymbol *search_function(ScopeDsymbol *ad, Identifier *funcid);
void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
void expandTuples(Expressions *exps);
TupleDeclaration *isAliasThisTuple(Expression *e);
int expandAliasThisTuples(Expressions *exps, size_t starti = 0);
FuncDeclaration *hasThis(Scope *sc);
Expression *fromConstInitializer(int result, Expression *e);
int arrayExpressionCanThrow(Expressions *exps, bool mustNotThrow);
TemplateDeclaration *getFuncTemplateDecl(Dsymbol *s);
void valueNoDtor(Expression *e);
int modifyFieldVar(Loc loc, Scope *sc, VarDeclaration *var, Expression *e1);
#if DMDV2
Expression *resolveAliasThis(Scope *sc, Expression *e);
Expression *callCpCtor(Loc loc, Scope *sc, Expression *e, int noscope);
int checkPostblit(Loc loc, Type *t);
#endif
struct ArrayExp *resolveOpDollar(Scope *sc, struct ArrayExp *ae);
struct SliceExp *resolveOpDollar(Scope *sc, struct SliceExp *se);
Expressions *arrayExpressionSemantic(Expressions *exps, Scope *sc);
/* Interpreter: what form of return value expression is required?
*/
enum CtfeGoal
{ ctfeNeedRvalue, // Must return an Rvalue
ctfeNeedLvalue, // Must return an Lvalue
ctfeNeedAnyValue, // Can return either an Rvalue or an Lvalue
ctfeNeedLvalueRef,// Must return a reference to an Lvalue (for ref types)
ctfeNeedNothing // The return value is not required
};
struct Expression : Object
{
Loc loc; // file location
enum TOK op; // handy to minimize use of dynamic_cast
Type *type; // !=NULL means that semantic() has been run
unsigned char size; // # of bytes in Expression so we can copy() it
unsigned char parens; // if this is a parenthesized expression
Expression(Loc loc, enum TOK op, int size);
Expression *copy();
virtual Expression *syntaxCopy();
virtual int apply(apply_fp_t fp, void *param);
virtual Expression *semantic(Scope *sc);
Expression *trySemantic(Scope *sc);
int dyncast() { return DYNCAST_EXPRESSION; } // kludge for template.isExpression()
void print();
char *toChars();
virtual void dump(int indent);
void error(const char *format, ...);
void warning(const char *format, ...);
void deprecation(const char *format, ...);
virtual int rvalue();
static Expression *combine(Expression *e1, Expression *e2);
static Expressions *arraySyntaxCopy(Expressions *exps);
virtual dinteger_t toInteger();
virtual uinteger_t toUInteger();
virtual real_t toReal();
virtual real_t toImaginary();
virtual complex_t toComplex();
virtual StringExp *toString();
virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
virtual void toMangleBuffer(OutBuffer *buf);
virtual int isLvalue();
virtual Expression *toLvalue(Scope *sc, Expression *e);
virtual Expression *modifiableLvalue(Scope *sc, Expression *e);
virtual Expression *implicitCastTo(Scope *sc, Type *t);
virtual MATCH implicitConvTo(Type *t);
virtual IntRange getIntRange();
virtual Expression *castTo(Scope *sc, Type *t);
virtual Expression *inferType(Type *t, int flag = 0, Scope *sc = NULL, TemplateParameters *tparams = NULL);
virtual void checkEscape();
virtual void checkEscapeRef();
virtual Expression *resolveLoc(Loc loc, Scope *sc);
void checkScalar();
void checkNoBool();
Expression *checkIntegral();
Expression *checkArithmetic();
void checkDeprecated(Scope *sc, Dsymbol *s);
void checkPurity(Scope *sc, FuncDeclaration *f);
void checkPurity(Scope *sc, VarDeclaration *v, Expression *e1);
void checkSafety(Scope *sc, FuncDeclaration *f);
virtual int checkModifiable(Scope *sc, int flag = 0);
virtual Expression *checkToBoolean(Scope *sc);
virtual Expression *addDtorHook(Scope *sc);
Expression *checkToPointer();
Expression *addressOf(Scope *sc);
Expression *deref();
Expression *integralPromotions(Scope *sc);
Expression *isTemp();
Expression *toDelegate(Scope *sc, Type *t);
virtual Expression *optimize(int result, bool keepLvalue = false);
#define WANTflags 1
#define WANTvalue 2
// A compile-time result is required. Give an error if not possible
#define WANTinterpret 4
// Same as WANTvalue, but also expand variables as far as possible
#define WANTexpand 8
// Entry point for CTFE.
// A compile-time result is required. Give an error if not possible
Expression *ctfeInterpret();
// Implementation of CTFE for this expression
virtual Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
virtual int isConst();
virtual int isBool(int result);
virtual int isBit();
bool hasSideEffect();
void discardValue();
void useValue();
int canThrow(bool mustNotThrow);
virtual int inlineCost3(InlineCostState *ics);
virtual Expression *doInline(InlineDoState *ids);
virtual Expression *inlineScan(InlineScanState *iss);
Expression *inlineCopy(Scope *sc);
// For operator overloading
virtual int isCommutative();
virtual Identifier *opId();
virtual Identifier *opId_r();
// For array ops
virtual void buildArrayIdent(OutBuffer *buf, Expressions *arguments);
virtual Expression *buildArrayLoop(Parameters *fparams);
int isArrayOperand();
// Back end
virtual elem *toElem(IRState *irs);
elem *toElemDtor(IRState *irs);
virtual dt_t **toDt(dt_t **pdt);
};
struct IntegerExp : Expression
{
dinteger_t value;
IntegerExp(Loc loc, dinteger_t value, Type *type);
IntegerExp(dinteger_t value);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
char *toChars();
void dump(int indent);
IntRange getIntRange();
dinteger_t toInteger();
real_t toReal();
real_t toImaginary();
complex_t toComplex();
int isConst();
int isBool(int result);
MATCH implicitConvTo(Type *t);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *toLvalue(Scope *sc, Expression *e);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct ErrorExp : IntegerExp
{
ErrorExp();
Expression *implicitCastTo(Scope *sc, Type *t);
Expression *castTo(Scope *sc, Type *t);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *toLvalue(Scope *sc, Expression *e);
};
struct RealExp : Expression
{
real_t value;
RealExp(Loc loc, real_t value, Type *type);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
char *toChars();
dinteger_t toInteger();
uinteger_t toUInteger();
real_t toReal();
real_t toImaginary();
complex_t toComplex();
Expression *castTo(Scope *sc, Type *t);
int isConst();
int isBool(int result);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct ComplexExp : Expression
{
complex_t value;
ComplexExp(Loc loc, complex_t value, Type *type);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
char *toChars();
dinteger_t toInteger();
uinteger_t toUInteger();
real_t toReal();
real_t toImaginary();
complex_t toComplex();
Expression *castTo(Scope *sc, Type *t);
int isConst();
int isBool(int result);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
OutBuffer hexp;
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct IdentifierExp : Expression
{
Identifier *ident;
Declaration *var;
IdentifierExp(Loc loc, Identifier *ident);
IdentifierExp(Loc loc, Declaration *var);
Expression *semantic(Scope *sc);
char *toChars();
void dump(int indent);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
};
struct DollarExp : IdentifierExp
{
DollarExp(Loc loc);
};
struct DsymbolExp : Expression
{
Dsymbol *s;
int hasOverloads;
DsymbolExp(Loc loc, Dsymbol *s, int hasOverloads = 0);
Expression *semantic(Scope *sc);
char *toChars();
void dump(int indent);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
};
struct ThisExp : Expression
{
Declaration *var;
ThisExp(Loc loc);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
int isBool(int result);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
elem *toElem(IRState *irs);
};
struct SuperExp : ThisExp
{
SuperExp(Loc loc);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
struct NullExp : Expression
{
unsigned char committed; // !=0 if type is committed
NullExp(Loc loc, Type *t = NULL);
int equals(Object *o);
Expression *semantic(Scope *sc);
int isBool(int result);
int isConst();
StringExp *toString();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
struct StringExp : Expression
{
void *string; // char, wchar, or dchar data
size_t len; // number of chars, wchars, or dchars
unsigned char sz; // 1: char, 2: wchar, 4: dchar
unsigned char committed; // !=0 if type is committed
unsigned char postfix; // 'c', 'w', 'd'
bool ownedByCtfe; // true = created in CTFE
StringExp(Loc loc, char *s);
StringExp(Loc loc, void *s, size_t len);
StringExp(Loc loc, void *s, size_t len, unsigned char postfix);
//Expression *syntaxCopy();
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
size_t length();
StringExp *toString();
StringExp *toUTF8(Scope *sc);
Expression *implicitCastTo(Scope *sc, Type *t);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
int compare(Object *obj);
int isBool(int result);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
unsigned charAt(size_t i);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
};
// Tuple
struct TupleExp : Expression
{
Expressions *exps;
TupleExp(Loc loc, Expressions *exps);
TupleExp(Loc loc, TupleDeclaration *tup);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
int equals(Object *o);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void checkEscape();
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
Expression *castTo(Scope *sc, Type *t);
elem *toElem(IRState *irs);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct ArrayLiteralExp : Expression
{
Expressions *elements;
bool ownedByCtfe; // true = created in CTFE
ArrayLiteralExp(Loc loc, Expressions *elements);
ArrayLiteralExp(Loc loc, Expression *e);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
int isBool(int result);
elem *toElem(IRState *irs);
StringExp *toString();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *inferType(Type *t, int flag = 0, Scope *sc = NULL, TemplateParameters *tparams = NULL);
dt_t **toDt(dt_t **pdt);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct AssocArrayLiteralExp : Expression
{
Expressions *keys;
Expressions *values;
bool ownedByCtfe; // true = created in CTFE
AssocArrayLiteralExp(Loc loc, Expressions *keys, Expressions *values);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
int isBool(int result);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *inferType(Type *t, int flag = 0, Scope *sc = NULL, TemplateParameters *tparams = NULL);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct StructLiteralExp : Expression
{
StructDeclaration *sd; // which aggregate this is for
Expressions *elements; // parallels sd->fields[] with
// NULL entries for fields to skip
Type *stype; // final type of result (can be different from sd's type)
Symbol *sinit; // if this is a defaultInitLiteral, this symbol contains the default initializer
Symbol *sym; // back end symbol to initialize with literal
size_t soffset; // offset from start of s
int fillHoles; // fill alignment 'holes' with zero
bool ownedByCtfe; // true = created in CTFE
int ctorinit;
StructLiteralExp(Loc loc, StructDeclaration *sd, Expressions *elements, Type *stype = NULL);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *getField(Type *type, unsigned offset);
int getFieldIndex(Type *type, unsigned offset);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void toMangleBuffer(OutBuffer *buf);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
dt_t **toDt(dt_t **pdt);
MATCH implicitConvTo(Type *t);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
Expression *typeDotIdExp(Loc loc, Type *type, Identifier *ident);
struct TypeExp : Expression
{
TypeExp(Loc loc, Type *type);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
int rvalue();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *optimize(int result, bool keepLvalue = false);
elem *toElem(IRState *irs);
};
struct ScopeExp : Expression
{
ScopeDsymbol *sds;
ScopeExp(Loc loc, ScopeDsymbol *sds);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct TemplateExp : Expression
{
TemplateDeclaration *td;
TemplateExp(Loc loc, TemplateDeclaration *td);
int rvalue();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct NewExp : Expression
{
/* thisexp.new(newargs) newtype(arguments)
*/
Expression *thisexp; // if !NULL, 'this' for class being allocated
Expressions *newargs; // Array of Expression's to call new operator
Type *newtype;
Expressions *arguments; // Array of Expression's
CtorDeclaration *member; // constructor function
NewDeclaration *allocator; // allocator function
int onstack; // allocate on stack
NewExp(Loc loc, Expression *thisexp, Expressions *newargs,
Type *newtype, Expressions *arguments);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
Expression *optimize(int result, bool keepLvalue = false);
MATCH implicitConvTo(Type *t);
elem *toElem(IRState *irs);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
//int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
struct NewAnonClassExp : Expression
{
/* thisexp.new(newargs) class baseclasses { } (arguments)
*/
Expression *thisexp; // if !NULL, 'this' for class being allocated
Expressions *newargs; // Array of Expression's to call new operator
ClassDeclaration *cd; // class being instantiated
Expressions *arguments; // Array of Expression's to call class constructor
NewAnonClassExp(Loc loc, Expression *thisexp, Expressions *newargs,
ClassDeclaration *cd, Expressions *arguments);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
#if DMDV2
struct SymbolExp : Expression
{
Declaration *var;
int hasOverloads;
SymbolExp(Loc loc, enum TOK op, int size, Declaration *var, int hasOverloads);
elem *toElem(IRState *irs);
};
#endif
// Offset from symbol
struct SymOffExp : SymbolExp
{
unsigned offset;
SymOffExp(Loc loc, Declaration *var, unsigned offset, int hasOverloads = 0);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void checkEscape();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
int isConst();
int isBool(int result);
Expression *doInline(InlineDoState *ids);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
dt_t **toDt(dt_t **pdt);
};
// Variable
struct VarExp : SymbolExp
{
VarExp(Loc loc, Declaration *var, int hasOverloads = 0);
int equals(Object *o);
Expression *semantic(Scope *sc);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void dump(int indent);
char *toChars();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void checkEscape();
void checkEscapeRef();
int checkModifiable(Scope *sc, int flag);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
dt_t **toDt(dt_t **pdt);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
#if DMDV2
// Overload Set
struct OverExp : Expression
{
OverloadSet *vars;
OverExp(Loc loc, OverloadSet *s);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
};
#endif
// Function/Delegate literal
struct FuncExp : Expression
{
FuncLiteralDeclaration *fd;
TemplateDeclaration *td;
enum TOK tok;
FuncExp(Loc loc, FuncLiteralDeclaration *fd, TemplateDeclaration *td = NULL);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
Expression *semantic(Scope *sc, Expressions *arguments);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
Expression *implicitCastTo(Scope *sc, Type *t);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *inferType(Type *t, int flag = 0, Scope *sc = NULL, TemplateParameters *tparams = NULL);
char *toChars();
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
dt_t **toDt(dt_t **pdt);
int inlineCost3(InlineCostState *ics);
//Expression *doInline(InlineDoState *ids);
//Expression *inlineScan(InlineScanState *iss);
};
// Declaration of a symbol
struct DeclarationExp : Expression
{
Dsymbol *declaration;
DeclarationExp(Loc loc, Dsymbol *declaration);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct TypeidExp : Expression
{
Object *obj;
TypeidExp(Loc loc, Object *obj);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
#if DMDV2
struct TraitsExp : Expression
{
Identifier *ident;
Objects *args;
TraitsExp(Loc loc, Identifier *ident, Objects *args);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
#endif
struct HaltExp : Expression
{
HaltExp(Loc loc);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
};
struct IsExp : Expression
{
/* is(targ id tok tspec)
* is(targ id == tok2)
*/
Type *targ;
Identifier *id; // can be NULL
enum TOK tok; // ':' or '=='
Type *tspec; // can be NULL
enum TOK tok2; // 'struct', 'union', 'typedef', etc.
TemplateParameters *parameters;
IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec,
enum TOK tok2, TemplateParameters *parameters);
Expression *syntaxCopy();
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
/****************************************************************/
struct UnaExp : Expression
{
Expression *e1;
UnaExp(Loc loc, enum TOK op, int size, Expression *e1);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *optimize(int result, bool keepLvalue = false);
void dump(int indent);
Expression *interpretCommon(InterState *istate, CtfeGoal goal,
Expression *(*fp)(Type *, Expression *));
Expression *resolveLoc(Loc loc, Scope *sc);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
virtual Expression *op_overload(Scope *sc);
};
struct BinExp : Expression
{
Expression *e1;
Expression *e2;
BinExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *semanticp(Scope *sc);
Expression *checkComplexOpAssign(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *scaleFactor(Scope *sc);
Expression *typeCombine(Scope *sc);
Expression *optimize(int result, bool keepLvalue = false);
int isunsigned();
Expression *incompatibleTypes();
void dump(int indent);
Expression *interpretCommon(InterState *istate, CtfeGoal goal,
Expression *(*fp)(Type *, Expression *, Expression *));
Expression *interpretCompareCommon(InterState *istate, CtfeGoal goal,
int (*fp)(Loc, TOK, Expression *, Expression *));
Expression *interpretAssignCommon(InterState *istate, CtfeGoal goal,
Expression *(*fp)(Type *, Expression *, Expression *), int post = 0);
Expression *interpretFourPointerRelation(InterState *istate, CtfeGoal goal);
virtual Expression *arrayOp(Scope *sc);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
Expression *op_overload(Scope *sc);
Expression *compare_overload(Scope *sc, Identifier *id);
elem *toElemBin(IRState *irs, int op);
};
struct BinAssignExp : BinExp
{
BinAssignExp(Loc loc, enum TOK op, int size, Expression *e1, Expression *e2)
: BinExp(loc, op, size, e1, e2)
{
}
Expression *semantic(Scope *sc);
Expression *arrayOp(Scope *sc);
Expression *op_overload(Scope *sc);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *ex);
Expression *modifiableLvalue(Scope *sc, Expression *e);
};
/****************************************************************/
struct CompileExp : UnaExp
{
CompileExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct FileExp : UnaExp
{
FileExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct AssertExp : UnaExp
{
Expression *msg;
AssertExp(Loc loc, Expression *e, Expression *msg = NULL);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
elem *toElem(IRState *irs);
};
struct DotIdExp : UnaExp
{
Identifier *ident;
DotIdExp(Loc loc, Expression *e, Identifier *ident);
Expression *semantic(Scope *sc);
Expression *semantic(Scope *sc, int flag);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int i);
};
struct DotTemplateExp : UnaExp
{
TemplateDeclaration *td;
DotTemplateExp(Loc loc, Expression *e, TemplateDeclaration *td);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
};
struct DotVarExp : UnaExp
{
Declaration *var;
int hasOverloads;
DotVarExp(Loc loc, Expression *e, Declaration *var, int hasOverloads = 0);
Expression *semantic(Scope *sc);
int checkModifiable(Scope *sc, int flag);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *modifiableLvalue(Scope *sc, Expression *e);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
elem *toElem(IRState *irs);
};
struct DotTemplateInstanceExp : UnaExp
{
TemplateInstance *ti;
DotTemplateInstanceExp(Loc loc, Expression *e, Identifier *name, Objects *tiargs);
Expression *syntaxCopy();
TemplateDeclaration *getTempdecl(Scope *sc);
Expression *semantic(Scope *sc);
Expression *semantic(Scope *sc, int flag);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
};
struct DelegateExp : UnaExp
{
FuncDeclaration *func;
int hasOverloads;
DelegateExp(Loc loc, Expression *e, FuncDeclaration *func, int hasOverloads = 0);
Expression *semantic(Scope *sc);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
int inlineCost3(InlineCostState *ics);
elem *toElem(IRState *irs);
};
struct DotTypeExp : UnaExp
{
Dsymbol *sym; // symbol that represents a type
DotTypeExp(Loc loc, Expression *e, Dsymbol *sym);
Expression *semantic(Scope *sc);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
elem *toElem(IRState *irs);
};
struct CallExp : UnaExp
{
Expressions *arguments; // function arguments
FuncDeclaration *f; // symbol to call
CallExp(Loc loc, Expression *e, Expressions *exps);
CallExp(Loc loc, Expression *e);
CallExp(Loc loc, Expression *e, Expression *earg1);
CallExp(Loc loc, Expression *e, Expression *earg1, Expression *earg2);
Expression *syntaxCopy();
int apply(apply_fp_t fp, void *param);
Expression *resolveUFCS(Scope *sc);
Expression *semantic(Scope *sc);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
void dump(int indent);
elem *toElem(IRState *irs);
int isLvalue();
Expression *toLvalue(Scope *sc, Expression *e);
Expression *addDtorHook(Scope *sc);
MATCH implicitConvTo(Type *t);
int inlineCost3(InlineCostState *ics);
Expression *doInline(InlineDoState *ids);
Expression *inlineScan(InlineScanState *iss);
};
struct AddrExp : UnaExp
{
AddrExp(Loc loc, Expression *e);
Expression *semantic(Scope *sc);
void checkEscape();
elem *toElem(IRState *irs);
MATCH implicitConvTo(Type *t);
Expression *castTo(Scope *sc, Type *t);
Expression *optimize(int result, bool keepLvalue = false);
Expression *interpret(InterState *istate, CtfeGoal goal = ctfeNeedRvalue);
};
struct PtrExp : UnaExp
{
PtrExp(Loc loc, Expression *e);
PtrExp(Loc loc, Expression *e, Type *t);
Expression *semantic(Scope *sc);
void checkEscapeRef();
int checkModifiable(Scope *sc, int flag);