Mercurial > projects > ldc
annotate dmd/statement.h @ 316:163cad969791 trunk
[svn r337] Reverted changes to toobj.cpp: Module constructor calls can never be invokes.
author | ChristianK |
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date | Fri, 04 Jul 2008 08:51:49 +0200 |
parents | d59c363fccad |
children | aaade6ded589 |
rev | line source |
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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; | |
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44 struct AsmBlockStatement; |
1 | 45 struct GotoStatement; |
46 struct ScopeStatement; | |
47 struct TryCatchStatement; | |
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48 struct TryFinallyStatement; |
1 | 49 struct HdrGenState; |
50 struct InterState; | |
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51 struct CaseStatement; |
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52 struct LabelStatement; |
309 | 53 struct VolatileStatement; |
54 struct SynchronizedStatement; | |
1 | 55 |
56 enum TOK; | |
57 | |
58 namespace llvm | |
59 { | |
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60 class Value; |
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61 class BasicBlock; |
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62 class ConstantInt; |
1 | 63 } |
64 | |
65 // Back end | |
66 struct IRState; | |
67 struct Blockx; | |
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68 #if IN_LLVM |
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69 struct DValue; |
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70 typedef DValue elem; |
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71 #endif |
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72 |
1 | 73 #if IN_GCC |
74 union tree_node; typedef union tree_node block; | |
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75 //union tree_node; typedef union tree_node elem; |
1 | 76 #else |
77 struct block; | |
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78 //struct elem; |
1 | 79 #endif |
80 struct code; | |
81 | |
309 | 82 // LLVMDC this is used for tracking try-finally, synchronized and volatile scopes |
83 // definitions in gen/llvmhelpers.cpp | |
84 struct EnclosingHandler : Object | |
85 { | |
86 virtual void emitCode(IRState* p) = 0; | |
87 virtual EnclosingHandler* getEnclosing() = 0; | |
88 }; | |
89 struct EnclosingTryFinally : EnclosingHandler | |
90 { | |
91 TryFinallyStatement* tf; | |
92 void emitCode(IRState* p); | |
93 EnclosingHandler* getEnclosing(); | |
94 EnclosingTryFinally(TryFinallyStatement* _tf) : tf(_tf) {} | |
95 }; | |
96 struct EnclosingVolatile : EnclosingHandler | |
97 { | |
98 VolatileStatement* v; | |
99 void emitCode(IRState* p); | |
100 EnclosingHandler* getEnclosing(); | |
101 EnclosingVolatile(VolatileStatement* _tf) : v(_tf) {} | |
102 }; | |
103 struct EnclosingSynchro : EnclosingHandler | |
104 { | |
105 SynchronizedStatement* s; | |
106 void emitCode(IRState* p); | |
107 EnclosingHandler* getEnclosing(); | |
108 EnclosingSynchro(SynchronizedStatement* _tf) : s(_tf) {} | |
109 }; | |
110 | |
1 | 111 struct Statement : Object |
112 { | |
113 Loc loc; | |
114 | |
115 Statement(Loc loc); | |
116 virtual Statement *syntaxCopy(); | |
117 | |
118 void print(); | |
119 char *toChars(); | |
120 | |
121 void error(const char *format, ...); | |
122 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
123 virtual TryCatchStatement *isTryCatchStatement() { return NULL; } | |
124 virtual GotoStatement *isGotoStatement() { return NULL; } | |
125 virtual AsmStatement *isAsmStatement() { return NULL; } | |
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126 virtual AsmBlockStatement *isAsmBlockStatement() { return NULL; } |
1 | 127 #ifdef _DH |
128 int incontract; | |
129 #endif | |
130 virtual ScopeStatement *isScopeStatement() { return NULL; } | |
131 virtual Statement *semantic(Scope *sc); | |
132 Statement *semanticScope(Scope *sc, Statement *sbreak, Statement *scontinue); | |
133 virtual int hasBreak(); | |
134 virtual int hasContinue(); | |
135 virtual int usesEH(); | |
136 virtual int fallOffEnd(); | |
137 virtual int comeFrom(); | |
138 virtual void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally); | |
139 virtual Statements *flatten(Scope *sc); | |
140 virtual Expression *interpret(InterState *istate); | |
141 | |
142 virtual int inlineCost(InlineCostState *ics); | |
143 virtual Expression *doInline(InlineDoState *ids); | |
144 virtual Statement *inlineScan(InlineScanState *iss); | |
145 | |
146 // Back end | |
147 virtual void toIR(IRState *irs); | |
148 | |
149 // Avoid dynamic_cast | |
150 virtual DeclarationStatement *isDeclarationStatement() { return NULL; } | |
151 virtual CompoundStatement *isCompoundStatement() { return NULL; } | |
152 virtual ReturnStatement *isReturnStatement() { return NULL; } | |
153 virtual IfStatement *isIfStatement() { return NULL; } | |
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154 virtual CaseStatement* isCaseStatement() { return NULL; } |
1 | 155 }; |
156 | |
157 struct ExpStatement : Statement | |
158 { | |
159 Expression *exp; | |
160 | |
161 ExpStatement(Loc loc, Expression *exp); | |
162 Statement *syntaxCopy(); | |
163 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
164 Statement *semantic(Scope *sc); | |
165 Expression *interpret(InterState *istate); | |
166 int fallOffEnd(); | |
167 | |
168 int inlineCost(InlineCostState *ics); | |
169 Expression *doInline(InlineDoState *ids); | |
170 Statement *inlineScan(InlineScanState *iss); | |
171 | |
172 void toIR(IRState *irs); | |
173 }; | |
174 | |
175 struct CompileStatement : Statement | |
176 { | |
177 Expression *exp; | |
178 | |
179 CompileStatement(Loc loc, Expression *exp); | |
180 Statement *syntaxCopy(); | |
181 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
182 Statement *semantic(Scope *sc); | |
183 }; | |
184 | |
185 struct DeclarationStatement : ExpStatement | |
186 { | |
187 // Doing declarations as an expression, rather than a statement, | |
188 // makes inlining functions much easier. | |
189 | |
190 DeclarationStatement(Loc loc, Dsymbol *s); | |
191 DeclarationStatement(Loc loc, Expression *exp); | |
192 Statement *syntaxCopy(); | |
193 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
194 void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally); | |
195 | |
196 DeclarationStatement *isDeclarationStatement() { return this; } | |
197 }; | |
198 | |
199 struct CompoundStatement : Statement | |
200 { | |
201 Statements *statements; | |
202 | |
203 CompoundStatement(Loc loc, Statements *s); | |
204 CompoundStatement(Loc loc, Statement *s1, Statement *s2); | |
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205 virtual Statement *syntaxCopy(); |
1 | 206 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
207 Statement *semantic(Scope *sc); | |
208 int usesEH(); | |
209 int fallOffEnd(); | |
210 int comeFrom(); | |
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211 virtual Statements *flatten(Scope *sc); |
1 | 212 ReturnStatement *isReturnStatement(); |
213 Expression *interpret(InterState *istate); | |
214 | |
215 int inlineCost(InlineCostState *ics); | |
216 Expression *doInline(InlineDoState *ids); | |
217 Statement *inlineScan(InlineScanState *iss); | |
218 | |
239
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219 virtual void toIR(IRState *irs); |
1 | 220 |
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221 virtual CompoundStatement *isCompoundStatement() { return this; } |
1 | 222 }; |
223 | |
224 /* The purpose of this is so that continue will go to the next | |
225 * of the statements, and break will go to the end of the statements. | |
226 */ | |
227 struct UnrolledLoopStatement : Statement | |
228 { | |
229 Statements *statements; | |
309 | 230 EnclosingHandler* enclosinghandler; |
1 | 231 |
232 UnrolledLoopStatement(Loc loc, Statements *statements); | |
233 Statement *syntaxCopy(); | |
234 Statement *semantic(Scope *sc); | |
235 int hasBreak(); | |
236 int hasContinue(); | |
237 int usesEH(); | |
238 int fallOffEnd(); | |
239 int comeFrom(); | |
240 Expression *interpret(InterState *istate); | |
241 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
242 | |
243 int inlineCost(InlineCostState *ics); | |
244 Expression *doInline(InlineDoState *ids); | |
245 Statement *inlineScan(InlineScanState *iss); | |
246 | |
247 void toIR(IRState *irs); | |
248 }; | |
249 | |
250 struct ScopeStatement : Statement | |
251 { | |
252 Statement *statement; | |
253 | |
254 ScopeStatement(Loc loc, Statement *s); | |
255 Statement *syntaxCopy(); | |
256 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
257 ScopeStatement *isScopeStatement() { return this; } | |
258 Statement *semantic(Scope *sc); | |
259 int hasBreak(); | |
260 int hasContinue(); | |
261 int usesEH(); | |
262 int fallOffEnd(); | |
263 int comeFrom(); | |
264 Expression *interpret(InterState *istate); | |
265 | |
266 Statement *inlineScan(InlineScanState *iss); | |
267 | |
268 void toIR(IRState *irs); | |
269 }; | |
270 | |
271 struct WhileStatement : Statement | |
272 { | |
273 Expression *condition; | |
274 Statement *body; | |
309 | 275 EnclosingHandler* enclosinghandler; |
1 | 276 |
277 WhileStatement(Loc loc, Expression *c, Statement *b); | |
278 Statement *syntaxCopy(); | |
279 Statement *semantic(Scope *sc); | |
280 int hasBreak(); | |
281 int hasContinue(); | |
282 int usesEH(); | |
283 int fallOffEnd(); | |
284 int comeFrom(); | |
285 Expression *interpret(InterState *istate); | |
286 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
287 | |
288 Statement *inlineScan(InlineScanState *iss); | |
289 | |
290 void toIR(IRState *irs); | |
291 }; | |
292 | |
293 struct DoStatement : Statement | |
294 { | |
295 Statement *body; | |
296 Expression *condition; | |
309 | 297 EnclosingHandler* enclosinghandler; |
1 | 298 |
299 DoStatement(Loc loc, Statement *b, Expression *c); | |
300 Statement *syntaxCopy(); | |
301 Statement *semantic(Scope *sc); | |
302 int hasBreak(); | |
303 int hasContinue(); | |
304 int usesEH(); | |
305 int fallOffEnd(); | |
306 int comeFrom(); | |
307 Expression *interpret(InterState *istate); | |
308 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
309 | |
310 Statement *inlineScan(InlineScanState *iss); | |
311 | |
312 void toIR(IRState *irs); | |
313 }; | |
314 | |
315 struct ForStatement : Statement | |
316 { | |
317 Statement *init; | |
318 Expression *condition; | |
319 Expression *increment; | |
320 Statement *body; | |
309 | 321 EnclosingHandler* enclosinghandler; |
1 | 322 |
323 ForStatement(Loc loc, Statement *init, Expression *condition, Expression *increment, Statement *body); | |
324 Statement *syntaxCopy(); | |
325 Statement *semantic(Scope *sc); | |
326 void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally); | |
327 int hasBreak(); | |
328 int hasContinue(); | |
329 int usesEH(); | |
330 int fallOffEnd(); | |
331 int comeFrom(); | |
332 Expression *interpret(InterState *istate); | |
333 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
334 | |
335 Statement *inlineScan(InlineScanState *iss); | |
336 | |
337 void toIR(IRState *irs); | |
338 }; | |
339 | |
340 struct ForeachStatement : Statement | |
341 { | |
342 enum TOK op; // TOKforeach or TOKforeach_reverse | |
343 Arguments *arguments; // array of Argument*'s | |
344 Expression *aggr; | |
345 Statement *body; | |
309 | 346 EnclosingHandler* enclosinghandler; |
1 | 347 |
348 VarDeclaration *key; | |
349 VarDeclaration *value; | |
350 | |
351 FuncDeclaration *func; // function we're lexically in | |
352 | |
353 Array cases; // put breaks, continues, gotos and returns here | |
354 Array gotos; // forward referenced goto's go here | |
355 | |
356 ForeachStatement(Loc loc, enum TOK op, Arguments *arguments, Expression *aggr, Statement *body); | |
357 Statement *syntaxCopy(); | |
358 Statement *semantic(Scope *sc); | |
359 int hasBreak(); | |
360 int hasContinue(); | |
361 int usesEH(); | |
362 int fallOffEnd(); | |
363 int comeFrom(); | |
364 Expression *interpret(InterState *istate); | |
365 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
366 | |
367 Statement *inlineScan(InlineScanState *iss); | |
368 | |
369 void toIR(IRState *irs); | |
370 }; | |
371 | |
372 struct IfStatement : Statement | |
373 { | |
374 Argument *arg; | |
375 Expression *condition; | |
376 Statement *ifbody; | |
377 Statement *elsebody; | |
378 | |
379 VarDeclaration *match; // for MatchExpression results | |
380 | |
381 IfStatement(Loc loc, Argument *arg, Expression *condition, Statement *ifbody, Statement *elsebody); | |
382 Statement *syntaxCopy(); | |
383 Statement *semantic(Scope *sc); | |
384 Expression *interpret(InterState *istate); | |
385 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
386 int usesEH(); | |
387 int fallOffEnd(); | |
388 IfStatement *isIfStatement() { return this; } | |
389 | |
390 int inlineCost(InlineCostState *ics); | |
391 Expression *doInline(InlineDoState *ids); | |
392 Statement *inlineScan(InlineScanState *iss); | |
393 | |
394 void toIR(IRState *irs); | |
395 }; | |
396 | |
397 struct ConditionalStatement : Statement | |
398 { | |
399 Condition *condition; | |
400 Statement *ifbody; | |
401 Statement *elsebody; | |
402 | |
403 ConditionalStatement(Loc loc, Condition *condition, Statement *ifbody, Statement *elsebody); | |
404 Statement *syntaxCopy(); | |
405 Statement *semantic(Scope *sc); | |
406 Statements *flatten(Scope *sc); | |
407 int usesEH(); | |
408 | |
409 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
410 }; | |
411 | |
412 struct PragmaStatement : Statement | |
413 { | |
414 Identifier *ident; | |
415 Expressions *args; // array of Expression's | |
416 Statement *body; | |
417 | |
418 PragmaStatement(Loc loc, Identifier *ident, Expressions *args, Statement *body); | |
419 Statement *syntaxCopy(); | |
420 Statement *semantic(Scope *sc); | |
421 int usesEH(); | |
422 int fallOffEnd(); | |
423 | |
424 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
425 }; | |
426 | |
427 struct StaticAssertStatement : Statement | |
428 { | |
429 StaticAssert *sa; | |
430 | |
431 StaticAssertStatement(StaticAssert *sa); | |
432 Statement *syntaxCopy(); | |
433 Statement *semantic(Scope *sc); | |
434 | |
435 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
436 }; | |
437 | |
438 struct SwitchStatement : Statement | |
439 { | |
440 Expression *condition; | |
441 Statement *body; | |
442 DefaultStatement *sdefault; | |
309 | 443 EnclosingHandler* enclosinghandler; |
1 | 444 |
445 Array gotoCases; // array of unresolved GotoCaseStatement's | |
446 Array *cases; // array of CaseStatement's | |
447 int hasNoDefault; // !=0 if no default statement | |
448 | |
449 SwitchStatement(Loc loc, Expression *c, Statement *b); | |
450 Statement *syntaxCopy(); | |
451 Statement *semantic(Scope *sc); | |
452 int hasBreak(); | |
453 int usesEH(); | |
454 int fallOffEnd(); | |
455 Expression *interpret(InterState *istate); | |
456 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
457 | |
458 Statement *inlineScan(InlineScanState *iss); | |
459 | |
460 void toIR(IRState *irs); | |
461 }; | |
462 | |
463 struct CaseStatement : Statement | |
464 { | |
465 Expression *exp; | |
466 Statement *statement; | |
467 int index; // which case it is (since we sort this) | |
468 block *cblock; // back end: label for the block | |
469 | |
470 CaseStatement(Loc loc, Expression *exp, Statement *s); | |
471 Statement *syntaxCopy(); | |
472 Statement *semantic(Scope *sc); | |
473 int compare(Object *obj); | |
474 int usesEH(); | |
475 int fallOffEnd(); | |
476 int comeFrom(); | |
477 Expression *interpret(InterState *istate); | |
478 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
479 | |
480 Statement *inlineScan(InlineScanState *iss); | |
481 | |
482 void toIR(IRState *irs); | |
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483 |
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484 CaseStatement* isCaseStatement() { return this; } |
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485 |
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486 // LLVMDC |
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487 llvm::BasicBlock* bodyBB; |
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488 llvm::ConstantInt* llvmIdx; |
1 | 489 }; |
490 | |
491 struct DefaultStatement : Statement | |
492 { | |
493 Statement *statement; | |
494 #if IN_GCC | |
495 block *cblock; // back end: label for the block | |
496 #endif | |
497 | |
498 DefaultStatement(Loc loc, Statement *s); | |
499 Statement *syntaxCopy(); | |
500 Statement *semantic(Scope *sc); | |
501 int usesEH(); | |
502 int fallOffEnd(); | |
503 int comeFrom(); | |
504 Expression *interpret(InterState *istate); | |
505 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
506 | |
507 Statement *inlineScan(InlineScanState *iss); | |
508 | |
509 void toIR(IRState *irs); | |
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510 |
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511 // LLVMDC |
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512 llvm::BasicBlock* bodyBB; |
1 | 513 }; |
514 | |
515 struct GotoDefaultStatement : Statement | |
516 { | |
517 SwitchStatement *sw; | |
309 | 518 EnclosingHandler* enclosinghandler; |
1 | 519 |
520 GotoDefaultStatement(Loc loc); | |
521 Statement *syntaxCopy(); | |
522 Statement *semantic(Scope *sc); | |
523 Expression *interpret(InterState *istate); | |
524 int fallOffEnd(); | |
525 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
526 | |
527 void toIR(IRState *irs); | |
528 }; | |
529 | |
530 struct GotoCaseStatement : Statement | |
531 { | |
532 Expression *exp; // NULL, or which case to goto | |
533 CaseStatement *cs; // case statement it resolves to | |
309 | 534 EnclosingHandler* enclosinghandler; |
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535 SwitchStatement *sw; |
1 | 536 |
537 GotoCaseStatement(Loc loc, Expression *exp); | |
538 Statement *syntaxCopy(); | |
539 Statement *semantic(Scope *sc); | |
540 Expression *interpret(InterState *istate); | |
541 int fallOffEnd(); | |
542 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
543 | |
544 void toIR(IRState *irs); | |
545 }; | |
546 | |
547 struct SwitchErrorStatement : Statement | |
548 { | |
549 SwitchErrorStatement(Loc loc); | |
550 int fallOffEnd(); | |
551 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
552 | |
553 void toIR(IRState *irs); | |
554 }; | |
555 | |
556 struct ReturnStatement : Statement | |
557 { | |
558 Expression *exp; | |
309 | 559 EnclosingHandler* enclosinghandler; |
1 | 560 |
561 ReturnStatement(Loc loc, Expression *exp); | |
562 Statement *syntaxCopy(); | |
563 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
564 Statement *semantic(Scope *sc); | |
565 int fallOffEnd(); | |
566 Expression *interpret(InterState *istate); | |
567 | |
568 int inlineCost(InlineCostState *ics); | |
569 Expression *doInline(InlineDoState *ids); | |
570 Statement *inlineScan(InlineScanState *iss); | |
571 | |
572 void toIR(IRState *irs); | |
573 | |
574 ReturnStatement *isReturnStatement() { return this; } | |
575 }; | |
576 | |
577 struct BreakStatement : Statement | |
578 { | |
579 Identifier *ident; | |
309 | 580 EnclosingHandler* enclosinghandler; |
1 | 581 |
582 BreakStatement(Loc loc, Identifier *ident); | |
583 Statement *syntaxCopy(); | |
584 Statement *semantic(Scope *sc); | |
585 Expression *interpret(InterState *istate); | |
586 int fallOffEnd(); | |
587 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
588 | |
589 void toIR(IRState *irs); | |
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590 |
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591 // LLVMDC: only set if ident is set: label statement to jump to |
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592 LabelStatement *target; |
1 | 593 }; |
594 | |
595 struct ContinueStatement : Statement | |
596 { | |
597 Identifier *ident; | |
309 | 598 EnclosingHandler* enclosinghandler; |
1 | 599 |
600 ContinueStatement(Loc loc, Identifier *ident); | |
601 Statement *syntaxCopy(); | |
602 Statement *semantic(Scope *sc); | |
603 Expression *interpret(InterState *istate); | |
604 int fallOffEnd(); | |
605 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
606 | |
607 void toIR(IRState *irs); | |
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608 |
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609 // LLVMDC: only set if ident is set: label statement to jump to |
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610 LabelStatement *target; |
1 | 611 }; |
612 | |
613 struct SynchronizedStatement : Statement | |
614 { | |
615 Expression *exp; | |
616 Statement *body; | |
309 | 617 EnclosingHandler* enclosinghandler; |
1 | 618 |
619 SynchronizedStatement(Loc loc, Expression *exp, Statement *body); | |
620 Statement *syntaxCopy(); | |
621 Statement *semantic(Scope *sc); | |
622 int hasBreak(); | |
623 int hasContinue(); | |
624 int usesEH(); | |
625 int fallOffEnd(); | |
626 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
627 | |
628 Statement *inlineScan(InlineScanState *iss); | |
629 | |
630 // Back end | |
631 elem *esync; | |
632 SynchronizedStatement(Loc loc, elem *esync, Statement *body); | |
633 void toIR(IRState *irs); | |
309 | 634 llvm::Value* llsync; |
1 | 635 }; |
636 | |
637 struct WithStatement : Statement | |
638 { | |
639 Expression *exp; | |
640 Statement *body; | |
641 VarDeclaration *wthis; | |
642 | |
643 WithStatement(Loc loc, Expression *exp, Statement *body); | |
644 Statement *syntaxCopy(); | |
645 Statement *semantic(Scope *sc); | |
646 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
647 int usesEH(); | |
648 int fallOffEnd(); | |
649 | |
650 Statement *inlineScan(InlineScanState *iss); | |
651 | |
652 void toIR(IRState *irs); | |
653 }; | |
654 | |
655 struct TryCatchStatement : Statement | |
656 { | |
657 Statement *body; | |
658 Array *catches; | |
659 | |
660 TryCatchStatement(Loc loc, Statement *body, Array *catches); | |
661 Statement *syntaxCopy(); | |
662 Statement *semantic(Scope *sc); | |
663 int hasBreak(); | |
664 int usesEH(); | |
665 int fallOffEnd(); | |
666 | |
667 Statement *inlineScan(InlineScanState *iss); | |
668 | |
669 void toIR(IRState *irs); | |
670 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
671 TryCatchStatement *isTryCatchStatement() { return this; } | |
672 }; | |
673 | |
674 struct Catch : Object | |
675 { | |
676 Loc loc; | |
677 Type *type; | |
678 Identifier *ident; | |
679 VarDeclaration *var; | |
680 Statement *handler; | |
681 | |
682 Catch(Loc loc, Type *t, Identifier *id, Statement *handler); | |
683 Catch *syntaxCopy(); | |
684 void semantic(Scope *sc); | |
685 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
686 }; | |
687 | |
688 struct TryFinallyStatement : Statement | |
689 { | |
690 Statement *body; | |
691 Statement *finalbody; | |
309 | 692 EnclosingHandler* enclosinghandler; |
1 | 693 |
694 TryFinallyStatement(Loc loc, Statement *body, Statement *finalbody); | |
695 Statement *syntaxCopy(); | |
696 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
697 Statement *semantic(Scope *sc); | |
698 int hasBreak(); | |
699 int hasContinue(); | |
700 int usesEH(); | |
701 int fallOffEnd(); | |
702 | |
703 Statement *inlineScan(InlineScanState *iss); | |
704 | |
705 void toIR(IRState *irs); | |
706 }; | |
707 | |
708 struct OnScopeStatement : Statement | |
709 { | |
710 TOK tok; | |
711 Statement *statement; | |
712 | |
713 OnScopeStatement(Loc loc, TOK tok, Statement *statement); | |
714 Statement *syntaxCopy(); | |
715 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
716 Statement *semantic(Scope *sc); | |
717 int usesEH(); | |
718 void scopeCode(Statement **sentry, Statement **sexit, Statement **sfinally); | |
719 | |
720 void toIR(IRState *irs); | |
721 }; | |
722 | |
723 struct ThrowStatement : Statement | |
724 { | |
725 Expression *exp; | |
726 | |
727 ThrowStatement(Loc loc, Expression *exp); | |
728 Statement *syntaxCopy(); | |
729 Statement *semantic(Scope *sc); | |
730 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
731 int fallOffEnd(); | |
732 | |
733 Statement *inlineScan(InlineScanState *iss); | |
734 | |
735 void toIR(IRState *irs); | |
736 }; | |
737 | |
738 struct VolatileStatement : Statement | |
739 { | |
740 Statement *statement; | |
309 | 741 EnclosingHandler* enclosinghandler; |
1 | 742 |
743 VolatileStatement(Loc loc, Statement *statement); | |
744 Statement *syntaxCopy(); | |
745 Statement *semantic(Scope *sc); | |
746 Statements *flatten(Scope *sc); | |
747 int fallOffEnd(); | |
748 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
749 | |
750 Statement *inlineScan(InlineScanState *iss); | |
751 | |
752 void toIR(IRState *irs); | |
753 }; | |
754 | |
755 struct GotoStatement : Statement | |
756 { | |
757 Identifier *ident; | |
758 LabelDsymbol *label; | |
759 TryFinallyStatement *tf; | |
309 | 760 EnclosingHandler* enclosinghandler; |
1 | 761 |
762 GotoStatement(Loc loc, Identifier *ident); | |
763 Statement *syntaxCopy(); | |
764 Statement *semantic(Scope *sc); | |
765 int fallOffEnd(); | |
766 Expression *interpret(InterState *istate); | |
767 | |
768 void toIR(IRState *irs); | |
769 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
770 GotoStatement *isGotoStatement() { return this; } | |
771 }; | |
772 | |
773 struct LabelStatement : Statement | |
774 { | |
775 Identifier *ident; | |
776 Statement *statement; | |
777 TryFinallyStatement *tf; | |
309 | 778 EnclosingHandler* enclosinghandler; |
1 | 779 block *lblock; // back end |
780 int isReturnLabel; | |
781 | |
782 LabelStatement(Loc loc, Identifier *ident, Statement *statement); | |
783 Statement *syntaxCopy(); | |
784 Statement *semantic(Scope *sc); | |
785 Statements *flatten(Scope *sc); | |
786 int usesEH(); | |
787 int fallOffEnd(); | |
788 int comeFrom(); | |
789 Expression *interpret(InterState *istate); | |
790 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
791 | |
792 Statement *inlineScan(InlineScanState *iss); | |
793 | |
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794 void toIR(IRState *irs); |
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795 |
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796 // LLVMDC |
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797 llvm::BasicBlock* llvmBB; |
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798 bool asmLabel; // for labels inside inline assembler |
1 | 799 }; |
800 | |
801 struct LabelDsymbol : Dsymbol | |
802 { | |
803 LabelStatement *statement; | |
804 | |
805 LabelDsymbol(Identifier *ident); | |
806 LabelDsymbol *isLabel(); | |
807 }; | |
808 | |
809 struct AsmStatement : Statement | |
810 { | |
811 Token *tokens; | |
812 code *asmcode; | |
813 unsigned asmalign; // alignment of this statement | |
814 unsigned refparam; // !=0 if function parameter is referenced | |
815 unsigned naked; // !=0 if function is to be naked | |
816 unsigned regs; // mask of registers modified | |
817 | |
818 AsmStatement(Loc loc, Token *tokens); | |
819 Statement *syntaxCopy(); | |
820 Statement *semantic(Scope *sc); | |
821 int comeFrom(); | |
822 | |
823 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
824 virtual AsmStatement *isAsmStatement() { return this; } | |
825 | |
826 void toIR(IRState *irs); | |
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827 |
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828 // LLVMDC |
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829 // non-zero if this is a branch, contains the target labels identifier |
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830 Identifier* isBranchToLabel; |
1 | 831 }; |
832 | |
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833 struct AsmBlockStatement : CompoundStatement |
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834 { |
309 | 835 EnclosingHandler* enclosinghandler; |
302 | 836 |
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837 AsmBlockStatement(Loc loc, Statements *s); |
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838 Statements *flatten(Scope *sc); |
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839 Statement *syntaxCopy(); |
302 | 840 Statement *semantic(Scope *sc); |
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841 |
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842 CompoundStatement *isCompoundStatement() { return NULL; } |
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843 AsmBlockStatement *isAsmBlockStatement() { return this; } |
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844 |
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845 void toIR(IRState *irs); |
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846 }; |
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847 |
1 | 848 #endif /* DMD_STATEMENT_H */ |