|
1
|
1
|
|
|
2 // Compiler implementation of the D programming language
|
|
|
3 // Copyright (c) 1999-2007 by Digital Mars
|
|
|
4 // All Rights Reserved
|
|
|
5 // written by Walter Bright
|
|
|
6 // http://www.digitalmars.com
|
|
|
7 // License for redistribution is by either the Artistic License
|
|
|
8 // in artistic.txt, or the GNU General Public License in gnu.txt.
|
|
|
9 // See the included readme.txt for details.
|
|
|
10
|
|
|
11 #ifndef DMD_STATEMENT_H
|
|
|
12 #define DMD_STATEMENT_H
|
|
|
13
|
|
|
14 #ifdef __DMC__
|
|
|
15 #pragma once
|
|
|
16 #endif /* __DMC__ */
|
|
|
17
|
|
|
18 #include "root.h"
|
|
|
19
|
|
|
20 #include "arraytypes.h"
|
|
|
21 #include "dsymbol.h"
|
|
|
22 #include "lexer.h"
|
|
|
23
|
|
|
24 struct OutBuffer;
|
|
|
25 struct Scope;
|
|
|
26 struct Expression;
|
|
|
27 struct LabelDsymbol;
|
|
|
28 struct Identifier;
|
|
|
29 struct IfStatement;
|
|
|
30 struct DeclarationStatement;
|
|
|
31 struct DefaultStatement;
|
|
|
32 struct VarDeclaration;
|
|
|
33 struct Condition;
|
|
|
34 struct Module;
|
|
|
35 struct Token;
|
|
|
36 struct InlineCostState;
|
|
|
37 struct InlineDoState;
|
|
|
38 struct InlineScanState;
|
|
|
39 struct ReturnStatement;
|
|
|
40 struct CompoundStatement;
|
|
|
41 struct Argument;
|
|
|
42 struct StaticAssert;
|
|
|
43 struct AsmStatement;
|
|
|
44 struct GotoStatement;
|
|
|
45 struct ScopeStatement;
|
|
|
46 struct TryCatchStatement;
|
|
|
47 struct HdrGenState;
|
|
|
48 struct InterState;
|
|
|
49
|
|
|
50 enum TOK;
|
|
|
51
|
|
|
52 namespace llvm
|
|
|
53 {
|
|
|
54 class Value;
|
|
|
55 }
|
|
|
56
|
|
|
57 // Back end
|
|
|
58 struct IRState;
|
|
|
59 struct Blockx;
|
|
|
60 #if IN_GCC
|
|
|
61 union tree_node; typedef union tree_node block;
|
|
|
62 union tree_node; typedef union tree_node elem;
|
|
|
63 #else
|
|
|
64 struct block;
|
|
|
65 struct elem;
|
|
|
66 #endif
|
|
|
67 struct code;
|
|
|
68
|
|
|
69 struct Statement : Object
|
|
|
70 {
|
|
|
71 Loc loc;
|
|
|
72
|
|
|
73 Statement(Loc loc);
|
|
|
74 virtual Statement *syntaxCopy();
|
|
|
75
|
|
|
76 void print();
|
|
|
77 char *toChars();
|
|
|
78
|
|
|
79 void error(const char *format, ...);
|
|
|
80 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
81 virtual TryCatchStatement *isTryCatchStatement() { return NULL; }
|
|
|
82 virtual GotoStatement *isGotoStatement() { return NULL; }
|
|
|
83 virtual AsmStatement *isAsmStatement() { return NULL; }
|
|
|
84 #ifdef _DH
|
|
|
85 int incontract;
|
|
|
86 #endif
|
|
|
87 virtual ScopeStatement *isScopeStatement() { return NULL; }
|
|
|
88 virtual Statement *semantic(Scope *sc);
|
|
|
89 Statement *semanticScope(Scope *sc, Statement *sbreak, Statement *scontinue);
|
|
|
90 virtual int hasBreak();
|
|
|
91 virtual int hasContinue();
|
|
|
92 virtual int usesEH();
|
|
|
93 virtual int fallOffEnd();
|
|
|
94 virtual int comeFrom();
|
|
|
95 virtual void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally);
|
|
|
96 virtual Statements *flatten(Scope *sc);
|
|
|
97 virtual Expression *interpret(InterState *istate);
|
|
|
98
|
|
|
99 virtual int inlineCost(InlineCostState *ics);
|
|
|
100 virtual Expression *doInline(InlineDoState *ids);
|
|
|
101 virtual Statement *inlineScan(InlineScanState *iss);
|
|
|
102
|
|
|
103 // Back end
|
|
|
104 virtual void toIR(IRState *irs);
|
|
|
105
|
|
|
106 // Avoid dynamic_cast
|
|
|
107 virtual DeclarationStatement *isDeclarationStatement() { return NULL; }
|
|
|
108 virtual CompoundStatement *isCompoundStatement() { return NULL; }
|
|
|
109 virtual ReturnStatement *isReturnStatement() { return NULL; }
|
|
|
110 virtual IfStatement *isIfStatement() { return NULL; }
|
|
|
111 };
|
|
|
112
|
|
|
113 struct ExpStatement : Statement
|
|
|
114 {
|
|
|
115 Expression *exp;
|
|
|
116
|
|
|
117 ExpStatement(Loc loc, Expression *exp);
|
|
|
118 Statement *syntaxCopy();
|
|
|
119 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
120 Statement *semantic(Scope *sc);
|
|
|
121 Expression *interpret(InterState *istate);
|
|
|
122 int fallOffEnd();
|
|
|
123
|
|
|
124 int inlineCost(InlineCostState *ics);
|
|
|
125 Expression *doInline(InlineDoState *ids);
|
|
|
126 Statement *inlineScan(InlineScanState *iss);
|
|
|
127
|
|
|
128 void toIR(IRState *irs);
|
|
|
129 };
|
|
|
130
|
|
|
131 struct CompileStatement : Statement
|
|
|
132 {
|
|
|
133 Expression *exp;
|
|
|
134
|
|
|
135 CompileStatement(Loc loc, Expression *exp);
|
|
|
136 Statement *syntaxCopy();
|
|
|
137 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
138 Statement *semantic(Scope *sc);
|
|
|
139 };
|
|
|
140
|
|
|
141 struct DeclarationStatement : ExpStatement
|
|
|
142 {
|
|
|
143 // Doing declarations as an expression, rather than a statement,
|
|
|
144 // makes inlining functions much easier.
|
|
|
145
|
|
|
146 DeclarationStatement(Loc loc, Dsymbol *s);
|
|
|
147 DeclarationStatement(Loc loc, Expression *exp);
|
|
|
148 Statement *syntaxCopy();
|
|
|
149 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
150 void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally);
|
|
|
151
|
|
|
152 DeclarationStatement *isDeclarationStatement() { return this; }
|
|
|
153 };
|
|
|
154
|
|
|
155 struct CompoundStatement : Statement
|
|
|
156 {
|
|
|
157 Statements *statements;
|
|
|
158
|
|
|
159 CompoundStatement(Loc loc, Statements *s);
|
|
|
160 CompoundStatement(Loc loc, Statement *s1, Statement *s2);
|
|
|
161 Statement *syntaxCopy();
|
|
|
162 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
163 Statement *semantic(Scope *sc);
|
|
|
164 int usesEH();
|
|
|
165 int fallOffEnd();
|
|
|
166 int comeFrom();
|
|
|
167 Statements *flatten(Scope *sc);
|
|
|
168 ReturnStatement *isReturnStatement();
|
|
|
169 Expression *interpret(InterState *istate);
|
|
|
170
|
|
|
171 int inlineCost(InlineCostState *ics);
|
|
|
172 Expression *doInline(InlineDoState *ids);
|
|
|
173 Statement *inlineScan(InlineScanState *iss);
|
|
|
174
|
|
|
175 void toIR(IRState *irs);
|
|
|
176
|
|
|
177 CompoundStatement *isCompoundStatement() { return this; }
|
|
|
178 };
|
|
|
179
|
|
|
180 /* The purpose of this is so that continue will go to the next
|
|
|
181 * of the statements, and break will go to the end of the statements.
|
|
|
182 */
|
|
|
183 struct UnrolledLoopStatement : Statement
|
|
|
184 {
|
|
|
185 Statements *statements;
|
|
|
186
|
|
|
187 UnrolledLoopStatement(Loc loc, Statements *statements);
|
|
|
188 Statement *syntaxCopy();
|
|
|
189 Statement *semantic(Scope *sc);
|
|
|
190 int hasBreak();
|
|
|
191 int hasContinue();
|
|
|
192 int usesEH();
|
|
|
193 int fallOffEnd();
|
|
|
194 int comeFrom();
|
|
|
195 Expression *interpret(InterState *istate);
|
|
|
196 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
197
|
|
|
198 int inlineCost(InlineCostState *ics);
|
|
|
199 Expression *doInline(InlineDoState *ids);
|
|
|
200 Statement *inlineScan(InlineScanState *iss);
|
|
|
201
|
|
|
202 void toIR(IRState *irs);
|
|
|
203 };
|
|
|
204
|
|
|
205 struct ScopeStatement : Statement
|
|
|
206 {
|
|
|
207 Statement *statement;
|
|
|
208
|
|
|
209 ScopeStatement(Loc loc, Statement *s);
|
|
|
210 Statement *syntaxCopy();
|
|
|
211 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
212 ScopeStatement *isScopeStatement() { return this; }
|
|
|
213 Statement *semantic(Scope *sc);
|
|
|
214 int hasBreak();
|
|
|
215 int hasContinue();
|
|
|
216 int usesEH();
|
|
|
217 int fallOffEnd();
|
|
|
218 int comeFrom();
|
|
|
219 Expression *interpret(InterState *istate);
|
|
|
220
|
|
|
221 Statement *inlineScan(InlineScanState *iss);
|
|
|
222
|
|
|
223 void toIR(IRState *irs);
|
|
|
224 };
|
|
|
225
|
|
|
226 struct WhileStatement : Statement
|
|
|
227 {
|
|
|
228 Expression *condition;
|
|
|
229 Statement *body;
|
|
|
230
|
|
|
231 WhileStatement(Loc loc, Expression *c, Statement *b);
|
|
|
232 Statement *syntaxCopy();
|
|
|
233 Statement *semantic(Scope *sc);
|
|
|
234 int hasBreak();
|
|
|
235 int hasContinue();
|
|
|
236 int usesEH();
|
|
|
237 int fallOffEnd();
|
|
|
238 int comeFrom();
|
|
|
239 Expression *interpret(InterState *istate);
|
|
|
240 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
241
|
|
|
242 Statement *inlineScan(InlineScanState *iss);
|
|
|
243
|
|
|
244 void toIR(IRState *irs);
|
|
|
245 };
|
|
|
246
|
|
|
247 struct DoStatement : Statement
|
|
|
248 {
|
|
|
249 Statement *body;
|
|
|
250 Expression *condition;
|
|
|
251
|
|
|
252 DoStatement(Loc loc, Statement *b, Expression *c);
|
|
|
253 Statement *syntaxCopy();
|
|
|
254 Statement *semantic(Scope *sc);
|
|
|
255 int hasBreak();
|
|
|
256 int hasContinue();
|
|
|
257 int usesEH();
|
|
|
258 int fallOffEnd();
|
|
|
259 int comeFrom();
|
|
|
260 Expression *interpret(InterState *istate);
|
|
|
261 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
262
|
|
|
263 Statement *inlineScan(InlineScanState *iss);
|
|
|
264
|
|
|
265 void toIR(IRState *irs);
|
|
|
266 };
|
|
|
267
|
|
|
268 struct ForStatement : Statement
|
|
|
269 {
|
|
|
270 Statement *init;
|
|
|
271 Expression *condition;
|
|
|
272 Expression *increment;
|
|
|
273 Statement *body;
|
|
|
274
|
|
|
275 ForStatement(Loc loc, Statement *init, Expression *condition, Expression *increment, Statement *body);
|
|
|
276 Statement *syntaxCopy();
|
|
|
277 Statement *semantic(Scope *sc);
|
|
|
278 void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally);
|
|
|
279 int hasBreak();
|
|
|
280 int hasContinue();
|
|
|
281 int usesEH();
|
|
|
282 int fallOffEnd();
|
|
|
283 int comeFrom();
|
|
|
284 Expression *interpret(InterState *istate);
|
|
|
285 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
286
|
|
|
287 Statement *inlineScan(InlineScanState *iss);
|
|
|
288
|
|
|
289 void toIR(IRState *irs);
|
|
|
290 };
|
|
|
291
|
|
|
292 struct ForeachStatement : Statement
|
|
|
293 {
|
|
|
294 enum TOK op; // TOKforeach or TOKforeach_reverse
|
|
|
295 Arguments *arguments; // array of Argument*'s
|
|
|
296 Expression *aggr;
|
|
|
297 Statement *body;
|
|
|
298
|
|
|
299 VarDeclaration *key;
|
|
|
300 VarDeclaration *value;
|
|
|
301
|
|
|
302 FuncDeclaration *func; // function we're lexically in
|
|
|
303
|
|
|
304 Array cases; // put breaks, continues, gotos and returns here
|
|
|
305 Array gotos; // forward referenced goto's go here
|
|
|
306
|
|
|
307 ForeachStatement(Loc loc, enum TOK op, Arguments *arguments, Expression *aggr, Statement *body);
|
|
|
308 Statement *syntaxCopy();
|
|
|
309 Statement *semantic(Scope *sc);
|
|
|
310 int hasBreak();
|
|
|
311 int hasContinue();
|
|
|
312 int usesEH();
|
|
|
313 int fallOffEnd();
|
|
|
314 int comeFrom();
|
|
|
315 Expression *interpret(InterState *istate);
|
|
|
316 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
317
|
|
|
318 Statement *inlineScan(InlineScanState *iss);
|
|
|
319
|
|
|
320 void toIR(IRState *irs);
|
|
|
321 };
|
|
|
322
|
|
|
323 struct IfStatement : Statement
|
|
|
324 {
|
|
|
325 Argument *arg;
|
|
|
326 Expression *condition;
|
|
|
327 Statement *ifbody;
|
|
|
328 Statement *elsebody;
|
|
|
329
|
|
|
330 VarDeclaration *match; // for MatchExpression results
|
|
|
331
|
|
|
332 IfStatement(Loc loc, Argument *arg, Expression *condition, Statement *ifbody, Statement *elsebody);
|
|
|
333 Statement *syntaxCopy();
|
|
|
334 Statement *semantic(Scope *sc);
|
|
|
335 Expression *interpret(InterState *istate);
|
|
|
336 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
337 int usesEH();
|
|
|
338 int fallOffEnd();
|
|
|
339 IfStatement *isIfStatement() { return this; }
|
|
|
340
|
|
|
341 int inlineCost(InlineCostState *ics);
|
|
|
342 Expression *doInline(InlineDoState *ids);
|
|
|
343 Statement *inlineScan(InlineScanState *iss);
|
|
|
344
|
|
|
345 void toIR(IRState *irs);
|
|
|
346 };
|
|
|
347
|
|
|
348 struct ConditionalStatement : Statement
|
|
|
349 {
|
|
|
350 Condition *condition;
|
|
|
351 Statement *ifbody;
|
|
|
352 Statement *elsebody;
|
|
|
353
|
|
|
354 ConditionalStatement(Loc loc, Condition *condition, Statement *ifbody, Statement *elsebody);
|
|
|
355 Statement *syntaxCopy();
|
|
|
356 Statement *semantic(Scope *sc);
|
|
|
357 Statements *flatten(Scope *sc);
|
|
|
358 int usesEH();
|
|
|
359
|
|
|
360 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
361 };
|
|
|
362
|
|
|
363 struct PragmaStatement : Statement
|
|
|
364 {
|
|
|
365 Identifier *ident;
|
|
|
366 Expressions *args; // array of Expression's
|
|
|
367 Statement *body;
|
|
|
368
|
|
|
369 PragmaStatement(Loc loc, Identifier *ident, Expressions *args, Statement *body);
|
|
|
370 Statement *syntaxCopy();
|
|
|
371 Statement *semantic(Scope *sc);
|
|
|
372 int usesEH();
|
|
|
373 int fallOffEnd();
|
|
|
374
|
|
|
375 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
376 };
|
|
|
377
|
|
|
378 struct StaticAssertStatement : Statement
|
|
|
379 {
|
|
|
380 StaticAssert *sa;
|
|
|
381
|
|
|
382 StaticAssertStatement(StaticAssert *sa);
|
|
|
383 Statement *syntaxCopy();
|
|
|
384 Statement *semantic(Scope *sc);
|
|
|
385
|
|
|
386 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
387 };
|
|
|
388
|
|
|
389 struct SwitchStatement : Statement
|
|
|
390 {
|
|
|
391 Expression *condition;
|
|
|
392 Statement *body;
|
|
|
393 DefaultStatement *sdefault;
|
|
|
394
|
|
|
395 Array gotoCases; // array of unresolved GotoCaseStatement's
|
|
|
396 Array *cases; // array of CaseStatement's
|
|
|
397 int hasNoDefault; // !=0 if no default statement
|
|
|
398
|
|
|
399 SwitchStatement(Loc loc, Expression *c, Statement *b);
|
|
|
400 Statement *syntaxCopy();
|
|
|
401 Statement *semantic(Scope *sc);
|
|
|
402 int hasBreak();
|
|
|
403 int usesEH();
|
|
|
404 int fallOffEnd();
|
|
|
405 Expression *interpret(InterState *istate);
|
|
|
406 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
407
|
|
|
408 Statement *inlineScan(InlineScanState *iss);
|
|
|
409
|
|
|
410 void toIR(IRState *irs);
|
|
|
411 };
|
|
|
412
|
|
|
413 struct CaseStatement : Statement
|
|
|
414 {
|
|
|
415 Expression *exp;
|
|
|
416 Statement *statement;
|
|
|
417 int index; // which case it is (since we sort this)
|
|
|
418 block *cblock; // back end: label for the block
|
|
|
419
|
|
|
420 CaseStatement(Loc loc, Expression *exp, Statement *s);
|
|
|
421 Statement *syntaxCopy();
|
|
|
422 Statement *semantic(Scope *sc);
|
|
|
423 int compare(Object *obj);
|
|
|
424 int usesEH();
|
|
|
425 int fallOffEnd();
|
|
|
426 int comeFrom();
|
|
|
427 Expression *interpret(InterState *istate);
|
|
|
428 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
429
|
|
|
430 Statement *inlineScan(InlineScanState *iss);
|
|
|
431
|
|
|
432 void toIR(IRState *irs);
|
|
|
433 };
|
|
|
434
|
|
|
435 struct DefaultStatement : Statement
|
|
|
436 {
|
|
|
437 Statement *statement;
|
|
|
438 #if IN_GCC
|
|
|
439 block *cblock; // back end: label for the block
|
|
|
440 #endif
|
|
|
441
|
|
|
442 DefaultStatement(Loc loc, Statement *s);
|
|
|
443 Statement *syntaxCopy();
|
|
|
444 Statement *semantic(Scope *sc);
|
|
|
445 int usesEH();
|
|
|
446 int fallOffEnd();
|
|
|
447 int comeFrom();
|
|
|
448 Expression *interpret(InterState *istate);
|
|
|
449 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
450
|
|
|
451 Statement *inlineScan(InlineScanState *iss);
|
|
|
452
|
|
|
453 void toIR(IRState *irs);
|
|
|
454 };
|
|
|
455
|
|
|
456 struct GotoDefaultStatement : Statement
|
|
|
457 {
|
|
|
458 SwitchStatement *sw;
|
|
|
459
|
|
|
460 GotoDefaultStatement(Loc loc);
|
|
|
461 Statement *syntaxCopy();
|
|
|
462 Statement *semantic(Scope *sc);
|
|
|
463 Expression *interpret(InterState *istate);
|
|
|
464 int fallOffEnd();
|
|
|
465 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
466
|
|
|
467 void toIR(IRState *irs);
|
|
|
468 };
|
|
|
469
|
|
|
470 struct GotoCaseStatement : Statement
|
|
|
471 {
|
|
|
472 Expression *exp; // NULL, or which case to goto
|
|
|
473 CaseStatement *cs; // case statement it resolves to
|
|
|
474
|
|
|
475 GotoCaseStatement(Loc loc, Expression *exp);
|
|
|
476 Statement *syntaxCopy();
|
|
|
477 Statement *semantic(Scope *sc);
|
|
|
478 Expression *interpret(InterState *istate);
|
|
|
479 int fallOffEnd();
|
|
|
480 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
481
|
|
|
482 void toIR(IRState *irs);
|
|
|
483 };
|
|
|
484
|
|
|
485 struct SwitchErrorStatement : Statement
|
|
|
486 {
|
|
|
487 SwitchErrorStatement(Loc loc);
|
|
|
488 int fallOffEnd();
|
|
|
489 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
490
|
|
|
491 void toIR(IRState *irs);
|
|
|
492 };
|
|
|
493
|
|
|
494 struct ReturnStatement : Statement
|
|
|
495 {
|
|
|
496 Expression *exp;
|
|
|
497
|
|
|
498 ReturnStatement(Loc loc, Expression *exp);
|
|
|
499 Statement *syntaxCopy();
|
|
|
500 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
501 Statement *semantic(Scope *sc);
|
|
|
502 int fallOffEnd();
|
|
|
503 Expression *interpret(InterState *istate);
|
|
|
504
|
|
|
505 int inlineCost(InlineCostState *ics);
|
|
|
506 Expression *doInline(InlineDoState *ids);
|
|
|
507 Statement *inlineScan(InlineScanState *iss);
|
|
|
508
|
|
|
509 void toIR(IRState *irs);
|
|
|
510
|
|
|
511 ReturnStatement *isReturnStatement() { return this; }
|
|
|
512 };
|
|
|
513
|
|
|
514 struct BreakStatement : Statement
|
|
|
515 {
|
|
|
516 Identifier *ident;
|
|
|
517
|
|
|
518 BreakStatement(Loc loc, Identifier *ident);
|
|
|
519 Statement *syntaxCopy();
|
|
|
520 Statement *semantic(Scope *sc);
|
|
|
521 Expression *interpret(InterState *istate);
|
|
|
522 int fallOffEnd();
|
|
|
523 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
524
|
|
|
525 void toIR(IRState *irs);
|
|
|
526 };
|
|
|
527
|
|
|
528 struct ContinueStatement : Statement
|
|
|
529 {
|
|
|
530 Identifier *ident;
|
|
|
531
|
|
|
532 ContinueStatement(Loc loc, Identifier *ident);
|
|
|
533 Statement *syntaxCopy();
|
|
|
534 Statement *semantic(Scope *sc);
|
|
|
535 Expression *interpret(InterState *istate);
|
|
|
536 int fallOffEnd();
|
|
|
537 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
538
|
|
|
539 void toIR(IRState *irs);
|
|
|
540 };
|
|
|
541
|
|
|
542 struct SynchronizedStatement : Statement
|
|
|
543 {
|
|
|
544 Expression *exp;
|
|
|
545 Statement *body;
|
|
|
546
|
|
|
547 SynchronizedStatement(Loc loc, Expression *exp, Statement *body);
|
|
|
548 Statement *syntaxCopy();
|
|
|
549 Statement *semantic(Scope *sc);
|
|
|
550 int hasBreak();
|
|
|
551 int hasContinue();
|
|
|
552 int usesEH();
|
|
|
553 int fallOffEnd();
|
|
|
554 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
555
|
|
|
556 Statement *inlineScan(InlineScanState *iss);
|
|
|
557
|
|
|
558 // Back end
|
|
|
559 elem *esync;
|
|
|
560 SynchronizedStatement(Loc loc, elem *esync, Statement *body);
|
|
|
561 void toIR(IRState *irs);
|
|
|
562 };
|
|
|
563
|
|
|
564 struct WithStatement : Statement
|
|
|
565 {
|
|
|
566 Expression *exp;
|
|
|
567 Statement *body;
|
|
|
568 VarDeclaration *wthis;
|
|
|
569
|
|
|
570 WithStatement(Loc loc, Expression *exp, Statement *body);
|
|
|
571 Statement *syntaxCopy();
|
|
|
572 Statement *semantic(Scope *sc);
|
|
|
573 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
574 int usesEH();
|
|
|
575 int fallOffEnd();
|
|
|
576
|
|
|
577 Statement *inlineScan(InlineScanState *iss);
|
|
|
578
|
|
|
579 void toIR(IRState *irs);
|
|
|
580 };
|
|
|
581
|
|
|
582 struct TryCatchStatement : Statement
|
|
|
583 {
|
|
|
584 Statement *body;
|
|
|
585 Array *catches;
|
|
|
586
|
|
|
587 TryCatchStatement(Loc loc, Statement *body, Array *catches);
|
|
|
588 Statement *syntaxCopy();
|
|
|
589 Statement *semantic(Scope *sc);
|
|
|
590 int hasBreak();
|
|
|
591 int usesEH();
|
|
|
592 int fallOffEnd();
|
|
|
593
|
|
|
594 Statement *inlineScan(InlineScanState *iss);
|
|
|
595
|
|
|
596 void toIR(IRState *irs);
|
|
|
597 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
598 TryCatchStatement *isTryCatchStatement() { return this; }
|
|
|
599 };
|
|
|
600
|
|
|
601 struct Catch : Object
|
|
|
602 {
|
|
|
603 Loc loc;
|
|
|
604 Type *type;
|
|
|
605 Identifier *ident;
|
|
|
606 VarDeclaration *var;
|
|
|
607 Statement *handler;
|
|
|
608
|
|
|
609 Catch(Loc loc, Type *t, Identifier *id, Statement *handler);
|
|
|
610 Catch *syntaxCopy();
|
|
|
611 void semantic(Scope *sc);
|
|
|
612 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
613 };
|
|
|
614
|
|
|
615 struct TryFinallyStatement : Statement
|
|
|
616 {
|
|
|
617 Statement *body;
|
|
|
618 Statement *finalbody;
|
|
|
619
|
|
|
620 TryFinallyStatement(Loc loc, Statement *body, Statement *finalbody);
|
|
|
621 Statement *syntaxCopy();
|
|
|
622 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
623 Statement *semantic(Scope *sc);
|
|
|
624 int hasBreak();
|
|
|
625 int hasContinue();
|
|
|
626 int usesEH();
|
|
|
627 int fallOffEnd();
|
|
|
628
|
|
|
629 Statement *inlineScan(InlineScanState *iss);
|
|
|
630
|
|
|
631 void toIR(IRState *irs);
|
|
|
632 };
|
|
|
633
|
|
|
634 struct OnScopeStatement : Statement
|
|
|
635 {
|
|
|
636 TOK tok;
|
|
|
637 Statement *statement;
|
|
|
638
|
|
|
639 OnScopeStatement(Loc loc, TOK tok, Statement *statement);
|
|
|
640 Statement *syntaxCopy();
|
|
|
641 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
642 Statement *semantic(Scope *sc);
|
|
|
643 int usesEH();
|
|
|
644 void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally);
|
|
|
645
|
|
|
646 void toIR(IRState *irs);
|
|
|
647 };
|
|
|
648
|
|
|
649 struct ThrowStatement : Statement
|
|
|
650 {
|
|
|
651 Expression *exp;
|
|
|
652
|
|
|
653 ThrowStatement(Loc loc, Expression *exp);
|
|
|
654 Statement *syntaxCopy();
|
|
|
655 Statement *semantic(Scope *sc);
|
|
|
656 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
657 int fallOffEnd();
|
|
|
658
|
|
|
659 Statement *inlineScan(InlineScanState *iss);
|
|
|
660
|
|
|
661 void toIR(IRState *irs);
|
|
|
662 };
|
|
|
663
|
|
|
664 struct VolatileStatement : Statement
|
|
|
665 {
|
|
|
666 Statement *statement;
|
|
|
667
|
|
|
668 VolatileStatement(Loc loc, Statement *statement);
|
|
|
669 Statement *syntaxCopy();
|
|
|
670 Statement *semantic(Scope *sc);
|
|
|
671 Statements *flatten(Scope *sc);
|
|
|
672 int fallOffEnd();
|
|
|
673 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
674
|
|
|
675 Statement *inlineScan(InlineScanState *iss);
|
|
|
676
|
|
|
677 void toIR(IRState *irs);
|
|
|
678 };
|
|
|
679
|
|
|
680 struct GotoStatement : Statement
|
|
|
681 {
|
|
|
682 Identifier *ident;
|
|
|
683 LabelDsymbol *label;
|
|
|
684 TryFinallyStatement *tf;
|
|
|
685
|
|
|
686 GotoStatement(Loc loc, Identifier *ident);
|
|
|
687 Statement *syntaxCopy();
|
|
|
688 Statement *semantic(Scope *sc);
|
|
|
689 int fallOffEnd();
|
|
|
690 Expression *interpret(InterState *istate);
|
|
|
691
|
|
|
692 void toIR(IRState *irs);
|
|
|
693 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
694 GotoStatement *isGotoStatement() { return this; }
|
|
|
695 };
|
|
|
696
|
|
|
697 struct LabelStatement : Statement
|
|
|
698 {
|
|
|
699 Identifier *ident;
|
|
|
700 Statement *statement;
|
|
|
701 TryFinallyStatement *tf;
|
|
|
702 block *lblock; // back end
|
|
|
703 int isReturnLabel;
|
|
|
704
|
|
|
705 LabelStatement(Loc loc, Identifier *ident, Statement *statement);
|
|
|
706 Statement *syntaxCopy();
|
|
|
707 Statement *semantic(Scope *sc);
|
|
|
708 Statements *flatten(Scope *sc);
|
|
|
709 int usesEH();
|
|
|
710 int fallOffEnd();
|
|
|
711 int comeFrom();
|
|
|
712 Expression *interpret(InterState *istate);
|
|
|
713 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
714
|
|
|
715 Statement *inlineScan(InlineScanState *iss);
|
|
|
716
|
|
|
717 void toIR(IRState *irs);
|
|
|
718 };
|
|
|
719
|
|
|
720 struct LabelDsymbol : Dsymbol
|
|
|
721 {
|
|
|
722 LabelStatement *statement;
|
|
|
723 #if IN_GCC
|
|
|
724 unsigned asmLabelNum; // GCC-specific
|
|
|
725 #endif
|
|
|
726
|
|
|
727 LabelDsymbol(Identifier *ident);
|
|
|
728 LabelDsymbol *isLabel();
|
|
|
729 };
|
|
|
730
|
|
|
731 struct AsmStatement : Statement
|
|
|
732 {
|
|
|
733 Token *tokens;
|
|
|
734 code *asmcode;
|
|
|
735 unsigned asmalign; // alignment of this statement
|
|
|
736 unsigned refparam; // !=0 if function parameter is referenced
|
|
|
737 unsigned naked; // !=0 if function is to be naked
|
|
|
738 unsigned regs; // mask of registers modified
|
|
|
739
|
|
|
740 AsmStatement(Loc loc, Token *tokens);
|
|
|
741 Statement *syntaxCopy();
|
|
|
742 Statement *semantic(Scope *sc);
|
|
|
743 int comeFrom();
|
|
|
744
|
|
|
745 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
|
|
|
746 virtual AsmStatement *isAsmStatement() { return this; }
|
|
|
747
|
|
|
748 void toIR(IRState *irs);
|
|
|
749 };
|
|
|
750
|
|
|
751 #endif /* DMD_STATEMENT_H */
|
