1 //===--- StmtPrinter.cpp - Printing implementation for Stmt ASTs ----------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the Stmt::dumpPretty/Stmt::printPretty methods, which
11 // pretty print the AST back out to C code.
12 //
13 //===----------------------------------------------------------------------===//
14
15 #include "clang/AST/ASTContext.h"
16 #include "clang/AST/Attr.h"
17 #include "clang/AST/DeclCXX.h"
18 #include "clang/AST/DeclObjC.h"
19 #include "clang/AST/DeclTemplate.h"
20 #include "clang/AST/Expr.h"
21 #include "clang/AST/ExprCXX.h"
22 #include "clang/AST/PrettyPrinter.h"
23 #include "clang/AST/StmtVisitor.h"
24 #include "clang/Basic/CharInfo.h"
25 #include "llvm/ADT/SmallString.h"
26 #include "llvm/Support/Format.h"
27 using namespace clang;
28
29 //===----------------------------------------------------------------------===//
30 // StmtPrinter Visitor
31 //===----------------------------------------------------------------------===//
32
33 namespace {
34 class StmtPrinter : public StmtVisitor<StmtPrinter> {
35 raw_ostream &OS;
36 unsigned IndentLevel;
37 clang::PrinterHelper* Helper;
38 PrintingPolicy Policy;
39
40 public:
StmtPrinter(raw_ostream & os,PrinterHelper * helper,const PrintingPolicy & Policy,unsigned Indentation=0)41 StmtPrinter(raw_ostream &os, PrinterHelper* helper,
42 const PrintingPolicy &Policy,
43 unsigned Indentation = 0)
44 : OS(os), IndentLevel(Indentation), Helper(helper), Policy(Policy) {}
45
PrintStmt(Stmt * S)46 void PrintStmt(Stmt *S) {
47 PrintStmt(S, Policy.Indentation);
48 }
49
PrintStmt(Stmt * S,int SubIndent)50 void PrintStmt(Stmt *S, int SubIndent) {
51 IndentLevel += SubIndent;
52 if (S && isa<Expr>(S)) {
53 // If this is an expr used in a stmt context, indent and newline it.
54 Indent();
55 Visit(S);
56 OS << ";\n";
57 } else if (S) {
58 Visit(S);
59 } else {
60 Indent() << "<<<NULL STATEMENT>>>\n";
61 }
62 IndentLevel -= SubIndent;
63 }
64
65 void PrintRawCompoundStmt(CompoundStmt *S);
66 void PrintRawDecl(Decl *D);
67 void PrintRawDeclStmt(const DeclStmt *S);
68 void PrintRawIfStmt(IfStmt *If);
69 void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
70 void PrintCallArgs(CallExpr *E);
71 void PrintRawSEHExceptHandler(SEHExceptStmt *S);
72 void PrintRawSEHFinallyStmt(SEHFinallyStmt *S);
73 void PrintOMPExecutableDirective(OMPExecutableDirective *S);
74
PrintExpr(Expr * E)75 void PrintExpr(Expr *E) {
76 if (E)
77 Visit(E);
78 else
79 OS << "<null expr>";
80 }
81
Indent(int Delta=0)82 raw_ostream &Indent(int Delta = 0) {
83 for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
84 OS << " ";
85 return OS;
86 }
87
Visit(Stmt * S)88 void Visit(Stmt* S) {
89 if (Helper && Helper->handledStmt(S,OS))
90 return;
91 else StmtVisitor<StmtPrinter>::Visit(S);
92 }
93
VisitStmt(Stmt * Node)94 void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
95 Indent() << "<<unknown stmt type>>\n";
96 }
VisitExpr(Expr * Node)97 void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
98 OS << "<<unknown expr type>>";
99 }
100 void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
101
102 #define ABSTRACT_STMT(CLASS)
103 #define STMT(CLASS, PARENT) \
104 void Visit##CLASS(CLASS *Node);
105 #include "clang/AST/StmtNodes.inc"
106 };
107 }
108
109 //===----------------------------------------------------------------------===//
110 // Stmt printing methods.
111 //===----------------------------------------------------------------------===//
112
113 /// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
114 /// with no newline after the }.
PrintRawCompoundStmt(CompoundStmt * Node)115 void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
116 OS << "{\n";
117 for (auto *I : Node->body())
118 PrintStmt(I);
119
120 Indent() << "}";
121 }
122
PrintRawDecl(Decl * D)123 void StmtPrinter::PrintRawDecl(Decl *D) {
124 D->print(OS, Policy, IndentLevel);
125 }
126
PrintRawDeclStmt(const DeclStmt * S)127 void StmtPrinter::PrintRawDeclStmt(const DeclStmt *S) {
128 SmallVector<Decl*, 2> Decls(S->decls());
129 Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
130 }
131
VisitNullStmt(NullStmt * Node)132 void StmtPrinter::VisitNullStmt(NullStmt *Node) {
133 Indent() << ";\n";
134 }
135
VisitDeclStmt(DeclStmt * Node)136 void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
137 Indent();
138 PrintRawDeclStmt(Node);
139 OS << ";\n";
140 }
141
VisitCompoundStmt(CompoundStmt * Node)142 void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
143 Indent();
144 PrintRawCompoundStmt(Node);
145 OS << "\n";
146 }
147
VisitCaseStmt(CaseStmt * Node)148 void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
149 Indent(-1) << "case ";
150 PrintExpr(Node->getLHS());
151 if (Node->getRHS()) {
152 OS << " ... ";
153 PrintExpr(Node->getRHS());
154 }
155 OS << ":\n";
156
157 PrintStmt(Node->getSubStmt(), 0);
158 }
159
VisitDefaultStmt(DefaultStmt * Node)160 void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
161 Indent(-1) << "default:\n";
162 PrintStmt(Node->getSubStmt(), 0);
163 }
164
VisitLabelStmt(LabelStmt * Node)165 void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
166 Indent(-1) << Node->getName() << ":\n";
167 PrintStmt(Node->getSubStmt(), 0);
168 }
169
VisitAttributedStmt(AttributedStmt * Node)170 void StmtPrinter::VisitAttributedStmt(AttributedStmt *Node) {
171 for (const auto *Attr : Node->getAttrs()) {
172 Attr->printPretty(OS, Policy);
173 }
174
175 PrintStmt(Node->getSubStmt(), 0);
176 }
177
PrintRawIfStmt(IfStmt * If)178 void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
179 OS << "if (";
180 if (const DeclStmt *DS = If->getConditionVariableDeclStmt())
181 PrintRawDeclStmt(DS);
182 else
183 PrintExpr(If->getCond());
184 OS << ')';
185
186 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
187 OS << ' ';
188 PrintRawCompoundStmt(CS);
189 OS << (If->getElse() ? ' ' : '\n');
190 } else {
191 OS << '\n';
192 PrintStmt(If->getThen());
193 if (If->getElse()) Indent();
194 }
195
196 if (Stmt *Else = If->getElse()) {
197 OS << "else";
198
199 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
200 OS << ' ';
201 PrintRawCompoundStmt(CS);
202 OS << '\n';
203 } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) {
204 OS << ' ';
205 PrintRawIfStmt(ElseIf);
206 } else {
207 OS << '\n';
208 PrintStmt(If->getElse());
209 }
210 }
211 }
212
VisitIfStmt(IfStmt * If)213 void StmtPrinter::VisitIfStmt(IfStmt *If) {
214 Indent();
215 PrintRawIfStmt(If);
216 }
217
VisitSwitchStmt(SwitchStmt * Node)218 void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
219 Indent() << "switch (";
220 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
221 PrintRawDeclStmt(DS);
222 else
223 PrintExpr(Node->getCond());
224 OS << ")";
225
226 // Pretty print compoundstmt bodies (very common).
227 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
228 OS << " ";
229 PrintRawCompoundStmt(CS);
230 OS << "\n";
231 } else {
232 OS << "\n";
233 PrintStmt(Node->getBody());
234 }
235 }
236
VisitWhileStmt(WhileStmt * Node)237 void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
238 Indent() << "while (";
239 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
240 PrintRawDeclStmt(DS);
241 else
242 PrintExpr(Node->getCond());
243 OS << ")\n";
244 PrintStmt(Node->getBody());
245 }
246
VisitDoStmt(DoStmt * Node)247 void StmtPrinter::VisitDoStmt(DoStmt *Node) {
248 Indent() << "do ";
249 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
250 PrintRawCompoundStmt(CS);
251 OS << " ";
252 } else {
253 OS << "\n";
254 PrintStmt(Node->getBody());
255 Indent();
256 }
257
258 OS << "while (";
259 PrintExpr(Node->getCond());
260 OS << ");\n";
261 }
262
VisitForStmt(ForStmt * Node)263 void StmtPrinter::VisitForStmt(ForStmt *Node) {
264 Indent() << "for (";
265 if (Node->getInit()) {
266 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit()))
267 PrintRawDeclStmt(DS);
268 else
269 PrintExpr(cast<Expr>(Node->getInit()));
270 }
271 OS << ";";
272 if (Node->getCond()) {
273 OS << " ";
274 PrintExpr(Node->getCond());
275 }
276 OS << ";";
277 if (Node->getInc()) {
278 OS << " ";
279 PrintExpr(Node->getInc());
280 }
281 OS << ") ";
282
283 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
284 PrintRawCompoundStmt(CS);
285 OS << "\n";
286 } else {
287 OS << "\n";
288 PrintStmt(Node->getBody());
289 }
290 }
291
VisitObjCForCollectionStmt(ObjCForCollectionStmt * Node)292 void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
293 Indent() << "for (";
294 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement()))
295 PrintRawDeclStmt(DS);
296 else
297 PrintExpr(cast<Expr>(Node->getElement()));
298 OS << " in ";
299 PrintExpr(Node->getCollection());
300 OS << ") ";
301
302 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
303 PrintRawCompoundStmt(CS);
304 OS << "\n";
305 } else {
306 OS << "\n";
307 PrintStmt(Node->getBody());
308 }
309 }
310
VisitCXXForRangeStmt(CXXForRangeStmt * Node)311 void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
312 Indent() << "for (";
313 PrintingPolicy SubPolicy(Policy);
314 SubPolicy.SuppressInitializers = true;
315 Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
316 OS << " : ";
317 PrintExpr(Node->getRangeInit());
318 OS << ") {\n";
319 PrintStmt(Node->getBody());
320 Indent() << "}";
321 if (Policy.IncludeNewlines) OS << "\n";
322 }
323
VisitMSDependentExistsStmt(MSDependentExistsStmt * Node)324 void StmtPrinter::VisitMSDependentExistsStmt(MSDependentExistsStmt *Node) {
325 Indent();
326 if (Node->isIfExists())
327 OS << "__if_exists (";
328 else
329 OS << "__if_not_exists (";
330
331 if (NestedNameSpecifier *Qualifier
332 = Node->getQualifierLoc().getNestedNameSpecifier())
333 Qualifier->print(OS, Policy);
334
335 OS << Node->getNameInfo() << ") ";
336
337 PrintRawCompoundStmt(Node->getSubStmt());
338 }
339
VisitGotoStmt(GotoStmt * Node)340 void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
341 Indent() << "goto " << Node->getLabel()->getName() << ";";
342 if (Policy.IncludeNewlines) OS << "\n";
343 }
344
VisitIndirectGotoStmt(IndirectGotoStmt * Node)345 void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
346 Indent() << "goto *";
347 PrintExpr(Node->getTarget());
348 OS << ";";
349 if (Policy.IncludeNewlines) OS << "\n";
350 }
351
VisitContinueStmt(ContinueStmt * Node)352 void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
353 Indent() << "continue;";
354 if (Policy.IncludeNewlines) OS << "\n";
355 }
356
VisitBreakStmt(BreakStmt * Node)357 void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
358 Indent() << "break;";
359 if (Policy.IncludeNewlines) OS << "\n";
360 }
361
362
VisitReturnStmt(ReturnStmt * Node)363 void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
364 Indent() << "return";
365 if (Node->getRetValue()) {
366 OS << " ";
367 PrintExpr(Node->getRetValue());
368 }
369 OS << ";";
370 if (Policy.IncludeNewlines) OS << "\n";
371 }
372
373
VisitGCCAsmStmt(GCCAsmStmt * Node)374 void StmtPrinter::VisitGCCAsmStmt(GCCAsmStmt *Node) {
375 Indent() << "asm ";
376
377 if (Node->isVolatile())
378 OS << "volatile ";
379
380 OS << "(";
381 VisitStringLiteral(Node->getAsmString());
382
383 // Outputs
384 if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
385 Node->getNumClobbers() != 0)
386 OS << " : ";
387
388 for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
389 if (i != 0)
390 OS << ", ";
391
392 if (!Node->getOutputName(i).empty()) {
393 OS << '[';
394 OS << Node->getOutputName(i);
395 OS << "] ";
396 }
397
398 VisitStringLiteral(Node->getOutputConstraintLiteral(i));
399 OS << " ";
400 Visit(Node->getOutputExpr(i));
401 }
402
403 // Inputs
404 if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
405 OS << " : ";
406
407 for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
408 if (i != 0)
409 OS << ", ";
410
411 if (!Node->getInputName(i).empty()) {
412 OS << '[';
413 OS << Node->getInputName(i);
414 OS << "] ";
415 }
416
417 VisitStringLiteral(Node->getInputConstraintLiteral(i));
418 OS << " ";
419 Visit(Node->getInputExpr(i));
420 }
421
422 // Clobbers
423 if (Node->getNumClobbers() != 0)
424 OS << " : ";
425
426 for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
427 if (i != 0)
428 OS << ", ";
429
430 VisitStringLiteral(Node->getClobberStringLiteral(i));
431 }
432
433 OS << ");";
434 if (Policy.IncludeNewlines) OS << "\n";
435 }
436
VisitMSAsmStmt(MSAsmStmt * Node)437 void StmtPrinter::VisitMSAsmStmt(MSAsmStmt *Node) {
438 // FIXME: Implement MS style inline asm statement printer.
439 Indent() << "__asm ";
440 if (Node->hasBraces())
441 OS << "{\n";
442 OS << Node->getAsmString() << "\n";
443 if (Node->hasBraces())
444 Indent() << "}\n";
445 }
446
VisitCapturedStmt(CapturedStmt * Node)447 void StmtPrinter::VisitCapturedStmt(CapturedStmt *Node) {
448 PrintStmt(Node->getCapturedDecl()->getBody());
449 }
450
VisitObjCAtTryStmt(ObjCAtTryStmt * Node)451 void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
452 Indent() << "@try";
453 if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
454 PrintRawCompoundStmt(TS);
455 OS << "\n";
456 }
457
458 for (unsigned I = 0, N = Node->getNumCatchStmts(); I != N; ++I) {
459 ObjCAtCatchStmt *catchStmt = Node->getCatchStmt(I);
460 Indent() << "@catch(";
461 if (catchStmt->getCatchParamDecl()) {
462 if (Decl *DS = catchStmt->getCatchParamDecl())
463 PrintRawDecl(DS);
464 }
465 OS << ")";
466 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
467 PrintRawCompoundStmt(CS);
468 OS << "\n";
469 }
470 }
471
472 if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
473 Node->getFinallyStmt())) {
474 Indent() << "@finally";
475 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
476 OS << "\n";
477 }
478 }
479
VisitObjCAtFinallyStmt(ObjCAtFinallyStmt * Node)480 void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
481 }
482
VisitObjCAtCatchStmt(ObjCAtCatchStmt * Node)483 void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
484 Indent() << "@catch (...) { /* todo */ } \n";
485 }
486
VisitObjCAtThrowStmt(ObjCAtThrowStmt * Node)487 void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
488 Indent() << "@throw";
489 if (Node->getThrowExpr()) {
490 OS << " ";
491 PrintExpr(Node->getThrowExpr());
492 }
493 OS << ";\n";
494 }
495
VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt * Node)496 void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
497 Indent() << "@synchronized (";
498 PrintExpr(Node->getSynchExpr());
499 OS << ")";
500 PrintRawCompoundStmt(Node->getSynchBody());
501 OS << "\n";
502 }
503
VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt * Node)504 void StmtPrinter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *Node) {
505 Indent() << "@autoreleasepool";
506 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(Node->getSubStmt()));
507 OS << "\n";
508 }
509
PrintRawCXXCatchStmt(CXXCatchStmt * Node)510 void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
511 OS << "catch (";
512 if (Decl *ExDecl = Node->getExceptionDecl())
513 PrintRawDecl(ExDecl);
514 else
515 OS << "...";
516 OS << ") ";
517 PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
518 }
519
VisitCXXCatchStmt(CXXCatchStmt * Node)520 void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
521 Indent();
522 PrintRawCXXCatchStmt(Node);
523 OS << "\n";
524 }
525
VisitCXXTryStmt(CXXTryStmt * Node)526 void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
527 Indent() << "try ";
528 PrintRawCompoundStmt(Node->getTryBlock());
529 for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
530 OS << " ";
531 PrintRawCXXCatchStmt(Node->getHandler(i));
532 }
533 OS << "\n";
534 }
535
VisitSEHTryStmt(SEHTryStmt * Node)536 void StmtPrinter::VisitSEHTryStmt(SEHTryStmt *Node) {
537 Indent() << (Node->getIsCXXTry() ? "try " : "__try ");
538 PrintRawCompoundStmt(Node->getTryBlock());
539 SEHExceptStmt *E = Node->getExceptHandler();
540 SEHFinallyStmt *F = Node->getFinallyHandler();
541 if(E)
542 PrintRawSEHExceptHandler(E);
543 else {
544 assert(F && "Must have a finally block...");
545 PrintRawSEHFinallyStmt(F);
546 }
547 OS << "\n";
548 }
549
PrintRawSEHFinallyStmt(SEHFinallyStmt * Node)550 void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
551 OS << "__finally ";
552 PrintRawCompoundStmt(Node->getBlock());
553 OS << "\n";
554 }
555
PrintRawSEHExceptHandler(SEHExceptStmt * Node)556 void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
557 OS << "__except (";
558 VisitExpr(Node->getFilterExpr());
559 OS << ")\n";
560 PrintRawCompoundStmt(Node->getBlock());
561 OS << "\n";
562 }
563
VisitSEHExceptStmt(SEHExceptStmt * Node)564 void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
565 Indent();
566 PrintRawSEHExceptHandler(Node);
567 OS << "\n";
568 }
569
VisitSEHFinallyStmt(SEHFinallyStmt * Node)570 void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
571 Indent();
572 PrintRawSEHFinallyStmt(Node);
573 OS << "\n";
574 }
575
VisitSEHLeaveStmt(SEHLeaveStmt * Node)576 void StmtPrinter::VisitSEHLeaveStmt(SEHLeaveStmt *Node) {
577 Indent() << "__leave;";
578 if (Policy.IncludeNewlines) OS << "\n";
579 }
580
581 //===----------------------------------------------------------------------===//
582 // OpenMP clauses printing methods
583 //===----------------------------------------------------------------------===//
584
585 namespace {
586 class OMPClausePrinter : public OMPClauseVisitor<OMPClausePrinter> {
587 raw_ostream &OS;
588 const PrintingPolicy &Policy;
589 /// \brief Process clauses with list of variables.
590 template <typename T>
591 void VisitOMPClauseList(T *Node, char StartSym);
592 public:
OMPClausePrinter(raw_ostream & OS,const PrintingPolicy & Policy)593 OMPClausePrinter(raw_ostream &OS, const PrintingPolicy &Policy)
594 : OS(OS), Policy(Policy) { }
595 #define OPENMP_CLAUSE(Name, Class) \
596 void Visit##Class(Class *S);
597 #include "clang/Basic/OpenMPKinds.def"
598 };
599
VisitOMPIfClause(OMPIfClause * Node)600 void OMPClausePrinter::VisitOMPIfClause(OMPIfClause *Node) {
601 OS << "if(";
602 Node->getCondition()->printPretty(OS, nullptr, Policy, 0);
603 OS << ")";
604 }
605
VisitOMPFinalClause(OMPFinalClause * Node)606 void OMPClausePrinter::VisitOMPFinalClause(OMPFinalClause *Node) {
607 OS << "final(";
608 Node->getCondition()->printPretty(OS, nullptr, Policy, 0);
609 OS << ")";
610 }
611
VisitOMPNumThreadsClause(OMPNumThreadsClause * Node)612 void OMPClausePrinter::VisitOMPNumThreadsClause(OMPNumThreadsClause *Node) {
613 OS << "num_threads(";
614 Node->getNumThreads()->printPretty(OS, nullptr, Policy, 0);
615 OS << ")";
616 }
617
VisitOMPSafelenClause(OMPSafelenClause * Node)618 void OMPClausePrinter::VisitOMPSafelenClause(OMPSafelenClause *Node) {
619 OS << "safelen(";
620 Node->getSafelen()->printPretty(OS, nullptr, Policy, 0);
621 OS << ")";
622 }
623
VisitOMPCollapseClause(OMPCollapseClause * Node)624 void OMPClausePrinter::VisitOMPCollapseClause(OMPCollapseClause *Node) {
625 OS << "collapse(";
626 Node->getNumForLoops()->printPretty(OS, nullptr, Policy, 0);
627 OS << ")";
628 }
629
VisitOMPDefaultClause(OMPDefaultClause * Node)630 void OMPClausePrinter::VisitOMPDefaultClause(OMPDefaultClause *Node) {
631 OS << "default("
632 << getOpenMPSimpleClauseTypeName(OMPC_default, Node->getDefaultKind())
633 << ")";
634 }
635
VisitOMPProcBindClause(OMPProcBindClause * Node)636 void OMPClausePrinter::VisitOMPProcBindClause(OMPProcBindClause *Node) {
637 OS << "proc_bind("
638 << getOpenMPSimpleClauseTypeName(OMPC_proc_bind, Node->getProcBindKind())
639 << ")";
640 }
641
VisitOMPScheduleClause(OMPScheduleClause * Node)642 void OMPClausePrinter::VisitOMPScheduleClause(OMPScheduleClause *Node) {
643 OS << "schedule("
644 << getOpenMPSimpleClauseTypeName(OMPC_schedule, Node->getScheduleKind());
645 if (Node->getChunkSize()) {
646 OS << ", ";
647 Node->getChunkSize()->printPretty(OS, nullptr, Policy);
648 }
649 OS << ")";
650 }
651
VisitOMPOrderedClause(OMPOrderedClause *)652 void OMPClausePrinter::VisitOMPOrderedClause(OMPOrderedClause *) {
653 OS << "ordered";
654 }
655
VisitOMPNowaitClause(OMPNowaitClause *)656 void OMPClausePrinter::VisitOMPNowaitClause(OMPNowaitClause *) {
657 OS << "nowait";
658 }
659
VisitOMPUntiedClause(OMPUntiedClause *)660 void OMPClausePrinter::VisitOMPUntiedClause(OMPUntiedClause *) {
661 OS << "untied";
662 }
663
VisitOMPMergeableClause(OMPMergeableClause *)664 void OMPClausePrinter::VisitOMPMergeableClause(OMPMergeableClause *) {
665 OS << "mergeable";
666 }
667
VisitOMPReadClause(OMPReadClause *)668 void OMPClausePrinter::VisitOMPReadClause(OMPReadClause *) { OS << "read"; }
669
VisitOMPWriteClause(OMPWriteClause *)670 void OMPClausePrinter::VisitOMPWriteClause(OMPWriteClause *) { OS << "write"; }
671
VisitOMPUpdateClause(OMPUpdateClause *)672 void OMPClausePrinter::VisitOMPUpdateClause(OMPUpdateClause *) {
673 OS << "update";
674 }
675
VisitOMPCaptureClause(OMPCaptureClause *)676 void OMPClausePrinter::VisitOMPCaptureClause(OMPCaptureClause *) {
677 OS << "capture";
678 }
679
VisitOMPSeqCstClause(OMPSeqCstClause *)680 void OMPClausePrinter::VisitOMPSeqCstClause(OMPSeqCstClause *) {
681 OS << "seq_cst";
682 }
683
684 template<typename T>
VisitOMPClauseList(T * Node,char StartSym)685 void OMPClausePrinter::VisitOMPClauseList(T *Node, char StartSym) {
686 for (typename T::varlist_iterator I = Node->varlist_begin(),
687 E = Node->varlist_end();
688 I != E; ++I) {
689 assert(*I && "Expected non-null Stmt");
690 if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(*I)) {
691 OS << (I == Node->varlist_begin() ? StartSym : ',');
692 cast<NamedDecl>(DRE->getDecl())->printQualifiedName(OS);
693 } else {
694 OS << (I == Node->varlist_begin() ? StartSym : ',');
695 (*I)->printPretty(OS, nullptr, Policy, 0);
696 }
697 }
698 }
699
VisitOMPPrivateClause(OMPPrivateClause * Node)700 void OMPClausePrinter::VisitOMPPrivateClause(OMPPrivateClause *Node) {
701 if (!Node->varlist_empty()) {
702 OS << "private";
703 VisitOMPClauseList(Node, '(');
704 OS << ")";
705 }
706 }
707
VisitOMPFirstprivateClause(OMPFirstprivateClause * Node)708 void OMPClausePrinter::VisitOMPFirstprivateClause(OMPFirstprivateClause *Node) {
709 if (!Node->varlist_empty()) {
710 OS << "firstprivate";
711 VisitOMPClauseList(Node, '(');
712 OS << ")";
713 }
714 }
715
VisitOMPLastprivateClause(OMPLastprivateClause * Node)716 void OMPClausePrinter::VisitOMPLastprivateClause(OMPLastprivateClause *Node) {
717 if (!Node->varlist_empty()) {
718 OS << "lastprivate";
719 VisitOMPClauseList(Node, '(');
720 OS << ")";
721 }
722 }
723
VisitOMPSharedClause(OMPSharedClause * Node)724 void OMPClausePrinter::VisitOMPSharedClause(OMPSharedClause *Node) {
725 if (!Node->varlist_empty()) {
726 OS << "shared";
727 VisitOMPClauseList(Node, '(');
728 OS << ")";
729 }
730 }
731
VisitOMPReductionClause(OMPReductionClause * Node)732 void OMPClausePrinter::VisitOMPReductionClause(OMPReductionClause *Node) {
733 if (!Node->varlist_empty()) {
734 OS << "reduction(";
735 NestedNameSpecifier *QualifierLoc =
736 Node->getQualifierLoc().getNestedNameSpecifier();
737 OverloadedOperatorKind OOK =
738 Node->getNameInfo().getName().getCXXOverloadedOperator();
739 if (QualifierLoc == nullptr && OOK != OO_None) {
740 // Print reduction identifier in C format
741 OS << getOperatorSpelling(OOK);
742 } else {
743 // Use C++ format
744 if (QualifierLoc != nullptr)
745 QualifierLoc->print(OS, Policy);
746 OS << Node->getNameInfo();
747 }
748 OS << ":";
749 VisitOMPClauseList(Node, ' ');
750 OS << ")";
751 }
752 }
753
VisitOMPLinearClause(OMPLinearClause * Node)754 void OMPClausePrinter::VisitOMPLinearClause(OMPLinearClause *Node) {
755 if (!Node->varlist_empty()) {
756 OS << "linear";
757 VisitOMPClauseList(Node, '(');
758 if (Node->getStep() != nullptr) {
759 OS << ": ";
760 Node->getStep()->printPretty(OS, nullptr, Policy, 0);
761 }
762 OS << ")";
763 }
764 }
765
VisitOMPAlignedClause(OMPAlignedClause * Node)766 void OMPClausePrinter::VisitOMPAlignedClause(OMPAlignedClause *Node) {
767 if (!Node->varlist_empty()) {
768 OS << "aligned";
769 VisitOMPClauseList(Node, '(');
770 if (Node->getAlignment() != nullptr) {
771 OS << ": ";
772 Node->getAlignment()->printPretty(OS, nullptr, Policy, 0);
773 }
774 OS << ")";
775 }
776 }
777
VisitOMPCopyinClause(OMPCopyinClause * Node)778 void OMPClausePrinter::VisitOMPCopyinClause(OMPCopyinClause *Node) {
779 if (!Node->varlist_empty()) {
780 OS << "copyin";
781 VisitOMPClauseList(Node, '(');
782 OS << ")";
783 }
784 }
785
VisitOMPCopyprivateClause(OMPCopyprivateClause * Node)786 void OMPClausePrinter::VisitOMPCopyprivateClause(OMPCopyprivateClause *Node) {
787 if (!Node->varlist_empty()) {
788 OS << "copyprivate";
789 VisitOMPClauseList(Node, '(');
790 OS << ")";
791 }
792 }
793
VisitOMPFlushClause(OMPFlushClause * Node)794 void OMPClausePrinter::VisitOMPFlushClause(OMPFlushClause *Node) {
795 if (!Node->varlist_empty()) {
796 VisitOMPClauseList(Node, '(');
797 OS << ")";
798 }
799 }
800 }
801
802 //===----------------------------------------------------------------------===//
803 // OpenMP directives printing methods
804 //===----------------------------------------------------------------------===//
805
PrintOMPExecutableDirective(OMPExecutableDirective * S)806 void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S) {
807 OMPClausePrinter Printer(OS, Policy);
808 ArrayRef<OMPClause *> Clauses = S->clauses();
809 for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
810 I != E; ++I)
811 if (*I && !(*I)->isImplicit()) {
812 Printer.Visit(*I);
813 OS << ' ';
814 }
815 OS << "\n";
816 if (S->hasAssociatedStmt() && S->getAssociatedStmt()) {
817 assert(isa<CapturedStmt>(S->getAssociatedStmt()) &&
818 "Expected captured statement!");
819 Stmt *CS = cast<CapturedStmt>(S->getAssociatedStmt())->getCapturedStmt();
820 PrintStmt(CS);
821 }
822 }
823
VisitOMPParallelDirective(OMPParallelDirective * Node)824 void StmtPrinter::VisitOMPParallelDirective(OMPParallelDirective *Node) {
825 Indent() << "#pragma omp parallel ";
826 PrintOMPExecutableDirective(Node);
827 }
828
VisitOMPSimdDirective(OMPSimdDirective * Node)829 void StmtPrinter::VisitOMPSimdDirective(OMPSimdDirective *Node) {
830 Indent() << "#pragma omp simd ";
831 PrintOMPExecutableDirective(Node);
832 }
833
VisitOMPForDirective(OMPForDirective * Node)834 void StmtPrinter::VisitOMPForDirective(OMPForDirective *Node) {
835 Indent() << "#pragma omp for ";
836 PrintOMPExecutableDirective(Node);
837 }
838
VisitOMPForSimdDirective(OMPForSimdDirective * Node)839 void StmtPrinter::VisitOMPForSimdDirective(OMPForSimdDirective *Node) {
840 Indent() << "#pragma omp for simd ";
841 PrintOMPExecutableDirective(Node);
842 }
843
VisitOMPSectionsDirective(OMPSectionsDirective * Node)844 void StmtPrinter::VisitOMPSectionsDirective(OMPSectionsDirective *Node) {
845 Indent() << "#pragma omp sections ";
846 PrintOMPExecutableDirective(Node);
847 }
848
VisitOMPSectionDirective(OMPSectionDirective * Node)849 void StmtPrinter::VisitOMPSectionDirective(OMPSectionDirective *Node) {
850 Indent() << "#pragma omp section";
851 PrintOMPExecutableDirective(Node);
852 }
853
VisitOMPSingleDirective(OMPSingleDirective * Node)854 void StmtPrinter::VisitOMPSingleDirective(OMPSingleDirective *Node) {
855 Indent() << "#pragma omp single ";
856 PrintOMPExecutableDirective(Node);
857 }
858
VisitOMPMasterDirective(OMPMasterDirective * Node)859 void StmtPrinter::VisitOMPMasterDirective(OMPMasterDirective *Node) {
860 Indent() << "#pragma omp master";
861 PrintOMPExecutableDirective(Node);
862 }
863
VisitOMPCriticalDirective(OMPCriticalDirective * Node)864 void StmtPrinter::VisitOMPCriticalDirective(OMPCriticalDirective *Node) {
865 Indent() << "#pragma omp critical";
866 if (Node->getDirectiveName().getName()) {
867 OS << " (";
868 Node->getDirectiveName().printName(OS);
869 OS << ")";
870 }
871 PrintOMPExecutableDirective(Node);
872 }
873
VisitOMPParallelForDirective(OMPParallelForDirective * Node)874 void StmtPrinter::VisitOMPParallelForDirective(OMPParallelForDirective *Node) {
875 Indent() << "#pragma omp parallel for ";
876 PrintOMPExecutableDirective(Node);
877 }
878
VisitOMPParallelForSimdDirective(OMPParallelForSimdDirective * Node)879 void StmtPrinter::VisitOMPParallelForSimdDirective(
880 OMPParallelForSimdDirective *Node) {
881 Indent() << "#pragma omp parallel for simd ";
882 PrintOMPExecutableDirective(Node);
883 }
884
VisitOMPParallelSectionsDirective(OMPParallelSectionsDirective * Node)885 void StmtPrinter::VisitOMPParallelSectionsDirective(
886 OMPParallelSectionsDirective *Node) {
887 Indent() << "#pragma omp parallel sections ";
888 PrintOMPExecutableDirective(Node);
889 }
890
VisitOMPTaskDirective(OMPTaskDirective * Node)891 void StmtPrinter::VisitOMPTaskDirective(OMPTaskDirective *Node) {
892 Indent() << "#pragma omp task ";
893 PrintOMPExecutableDirective(Node);
894 }
895
VisitOMPTaskyieldDirective(OMPTaskyieldDirective * Node)896 void StmtPrinter::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *Node) {
897 Indent() << "#pragma omp taskyield";
898 PrintOMPExecutableDirective(Node);
899 }
900
VisitOMPBarrierDirective(OMPBarrierDirective * Node)901 void StmtPrinter::VisitOMPBarrierDirective(OMPBarrierDirective *Node) {
902 Indent() << "#pragma omp barrier";
903 PrintOMPExecutableDirective(Node);
904 }
905
VisitOMPTaskwaitDirective(OMPTaskwaitDirective * Node)906 void StmtPrinter::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *Node) {
907 Indent() << "#pragma omp taskwait";
908 PrintOMPExecutableDirective(Node);
909 }
910
VisitOMPFlushDirective(OMPFlushDirective * Node)911 void StmtPrinter::VisitOMPFlushDirective(OMPFlushDirective *Node) {
912 Indent() << "#pragma omp flush ";
913 PrintOMPExecutableDirective(Node);
914 }
915
VisitOMPOrderedDirective(OMPOrderedDirective * Node)916 void StmtPrinter::VisitOMPOrderedDirective(OMPOrderedDirective *Node) {
917 Indent() << "#pragma omp ordered";
918 PrintOMPExecutableDirective(Node);
919 }
920
VisitOMPAtomicDirective(OMPAtomicDirective * Node)921 void StmtPrinter::VisitOMPAtomicDirective(OMPAtomicDirective *Node) {
922 Indent() << "#pragma omp atomic ";
923 PrintOMPExecutableDirective(Node);
924 }
925
VisitOMPTargetDirective(OMPTargetDirective * Node)926 void StmtPrinter::VisitOMPTargetDirective(OMPTargetDirective *Node) {
927 Indent() << "#pragma omp target ";
928 PrintOMPExecutableDirective(Node);
929 }
930
VisitOMPTeamsDirective(OMPTeamsDirective * Node)931 void StmtPrinter::VisitOMPTeamsDirective(OMPTeamsDirective *Node) {
932 Indent() << "#pragma omp teams ";
933 PrintOMPExecutableDirective(Node);
934 }
935
936 //===----------------------------------------------------------------------===//
937 // Expr printing methods.
938 //===----------------------------------------------------------------------===//
939
VisitDeclRefExpr(DeclRefExpr * Node)940 void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
941 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
942 Qualifier->print(OS, Policy);
943 if (Node->hasTemplateKeyword())
944 OS << "template ";
945 OS << Node->getNameInfo();
946 if (Node->hasExplicitTemplateArgs())
947 TemplateSpecializationType::PrintTemplateArgumentList(
948 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
949 }
950
VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr * Node)951 void StmtPrinter::VisitDependentScopeDeclRefExpr(
952 DependentScopeDeclRefExpr *Node) {
953 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
954 Qualifier->print(OS, Policy);
955 if (Node->hasTemplateKeyword())
956 OS << "template ";
957 OS << Node->getNameInfo();
958 if (Node->hasExplicitTemplateArgs())
959 TemplateSpecializationType::PrintTemplateArgumentList(
960 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
961 }
962
VisitUnresolvedLookupExpr(UnresolvedLookupExpr * Node)963 void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
964 if (Node->getQualifier())
965 Node->getQualifier()->print(OS, Policy);
966 if (Node->hasTemplateKeyword())
967 OS << "template ";
968 OS << Node->getNameInfo();
969 if (Node->hasExplicitTemplateArgs())
970 TemplateSpecializationType::PrintTemplateArgumentList(
971 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
972 }
973
VisitObjCIvarRefExpr(ObjCIvarRefExpr * Node)974 void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
975 if (Node->getBase()) {
976 PrintExpr(Node->getBase());
977 OS << (Node->isArrow() ? "->" : ".");
978 }
979 OS << *Node->getDecl();
980 }
981
VisitObjCPropertyRefExpr(ObjCPropertyRefExpr * Node)982 void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
983 if (Node->isSuperReceiver())
984 OS << "super.";
985 else if (Node->isObjectReceiver() && Node->getBase()) {
986 PrintExpr(Node->getBase());
987 OS << ".";
988 } else if (Node->isClassReceiver() && Node->getClassReceiver()) {
989 OS << Node->getClassReceiver()->getName() << ".";
990 }
991
992 if (Node->isImplicitProperty())
993 Node->getImplicitPropertyGetter()->getSelector().print(OS);
994 else
995 OS << Node->getExplicitProperty()->getName();
996 }
997
VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr * Node)998 void StmtPrinter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *Node) {
999
1000 PrintExpr(Node->getBaseExpr());
1001 OS << "[";
1002 PrintExpr(Node->getKeyExpr());
1003 OS << "]";
1004 }
1005
VisitPredefinedExpr(PredefinedExpr * Node)1006 void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
1007 OS << PredefinedExpr::getIdentTypeName(Node->getIdentType());
1008 }
1009
VisitCharacterLiteral(CharacterLiteral * Node)1010 void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
1011 unsigned value = Node->getValue();
1012
1013 switch (Node->getKind()) {
1014 case CharacterLiteral::Ascii: break; // no prefix.
1015 case CharacterLiteral::Wide: OS << 'L'; break;
1016 case CharacterLiteral::UTF16: OS << 'u'; break;
1017 case CharacterLiteral::UTF32: OS << 'U'; break;
1018 }
1019
1020 switch (value) {
1021 case '\\':
1022 OS << "'\\\\'";
1023 break;
1024 case '\'':
1025 OS << "'\\''";
1026 break;
1027 case '\a':
1028 // TODO: K&R: the meaning of '\\a' is different in traditional C
1029 OS << "'\\a'";
1030 break;
1031 case '\b':
1032 OS << "'\\b'";
1033 break;
1034 // Nonstandard escape sequence.
1035 /*case '\e':
1036 OS << "'\\e'";
1037 break;*/
1038 case '\f':
1039 OS << "'\\f'";
1040 break;
1041 case '\n':
1042 OS << "'\\n'";
1043 break;
1044 case '\r':
1045 OS << "'\\r'";
1046 break;
1047 case '\t':
1048 OS << "'\\t'";
1049 break;
1050 case '\v':
1051 OS << "'\\v'";
1052 break;
1053 default:
1054 if (value < 256 && isPrintable((unsigned char)value))
1055 OS << "'" << (char)value << "'";
1056 else if (value < 256)
1057 OS << "'\\x" << llvm::format("%02x", value) << "'";
1058 else if (value <= 0xFFFF)
1059 OS << "'\\u" << llvm::format("%04x", value) << "'";
1060 else
1061 OS << "'\\U" << llvm::format("%08x", value) << "'";
1062 }
1063 }
1064
VisitIntegerLiteral(IntegerLiteral * Node)1065 void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
1066 bool isSigned = Node->getType()->isSignedIntegerType();
1067 OS << Node->getValue().toString(10, isSigned);
1068
1069 // Emit suffixes. Integer literals are always a builtin integer type.
1070 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
1071 default: llvm_unreachable("Unexpected type for integer literal!");
1072 case BuiltinType::SChar: OS << "i8"; break;
1073 case BuiltinType::UChar: OS << "Ui8"; break;
1074 case BuiltinType::Short: OS << "i16"; break;
1075 case BuiltinType::UShort: OS << "Ui16"; break;
1076 case BuiltinType::Int: break; // no suffix.
1077 case BuiltinType::UInt: OS << 'U'; break;
1078 case BuiltinType::Long: OS << 'L'; break;
1079 case BuiltinType::ULong: OS << "UL"; break;
1080 case BuiltinType::LongLong: OS << "LL"; break;
1081 case BuiltinType::ULongLong: OS << "ULL"; break;
1082 case BuiltinType::Int128: OS << "i128"; break;
1083 case BuiltinType::UInt128: OS << "Ui128"; break;
1084 }
1085 }
1086
PrintFloatingLiteral(raw_ostream & OS,FloatingLiteral * Node,bool PrintSuffix)1087 static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
1088 bool PrintSuffix) {
1089 SmallString<16> Str;
1090 Node->getValue().toString(Str);
1091 OS << Str;
1092 if (Str.find_first_not_of("-0123456789") == StringRef::npos)
1093 OS << '.'; // Trailing dot in order to separate from ints.
1094
1095 if (!PrintSuffix)
1096 return;
1097
1098 // Emit suffixes. Float literals are always a builtin float type.
1099 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
1100 default: llvm_unreachable("Unexpected type for float literal!");
1101 case BuiltinType::Half: break; // FIXME: suffix?
1102 case BuiltinType::Double: break; // no suffix.
1103 case BuiltinType::Float: OS << 'F'; break;
1104 case BuiltinType::LongDouble: OS << 'L'; break;
1105 }
1106 }
1107
VisitFloatingLiteral(FloatingLiteral * Node)1108 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
1109 PrintFloatingLiteral(OS, Node, /*PrintSuffix=*/true);
1110 }
1111
VisitImaginaryLiteral(ImaginaryLiteral * Node)1112 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
1113 PrintExpr(Node->getSubExpr());
1114 OS << "i";
1115 }
1116
VisitStringLiteral(StringLiteral * Str)1117 void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
1118 Str->outputString(OS);
1119 }
VisitParenExpr(ParenExpr * Node)1120 void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
1121 OS << "(";
1122 PrintExpr(Node->getSubExpr());
1123 OS << ")";
1124 }
VisitUnaryOperator(UnaryOperator * Node)1125 void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
1126 if (!Node->isPostfix()) {
1127 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
1128
1129 // Print a space if this is an "identifier operator" like __real, or if
1130 // it might be concatenated incorrectly like '+'.
1131 switch (Node->getOpcode()) {
1132 default: break;
1133 case UO_Real:
1134 case UO_Imag:
1135 case UO_Extension:
1136 OS << ' ';
1137 break;
1138 case UO_Plus:
1139 case UO_Minus:
1140 if (isa<UnaryOperator>(Node->getSubExpr()))
1141 OS << ' ';
1142 break;
1143 }
1144 }
1145 PrintExpr(Node->getSubExpr());
1146
1147 if (Node->isPostfix())
1148 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
1149 }
1150
VisitOffsetOfExpr(OffsetOfExpr * Node)1151 void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
1152 OS << "__builtin_offsetof(";
1153 Node->getTypeSourceInfo()->getType().print(OS, Policy);
1154 OS << ", ";
1155 bool PrintedSomething = false;
1156 for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
1157 OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i);
1158 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) {
1159 // Array node
1160 OS << "[";
1161 PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
1162 OS << "]";
1163 PrintedSomething = true;
1164 continue;
1165 }
1166
1167 // Skip implicit base indirections.
1168 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base)
1169 continue;
1170
1171 // Field or identifier node.
1172 IdentifierInfo *Id = ON.getFieldName();
1173 if (!Id)
1174 continue;
1175
1176 if (PrintedSomething)
1177 OS << ".";
1178 else
1179 PrintedSomething = true;
1180 OS << Id->getName();
1181 }
1182 OS << ")";
1183 }
1184
VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr * Node)1185 void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *Node){
1186 switch(Node->getKind()) {
1187 case UETT_SizeOf:
1188 OS << "sizeof";
1189 break;
1190 case UETT_AlignOf:
1191 if (Policy.LangOpts.CPlusPlus)
1192 OS << "alignof";
1193 else if (Policy.LangOpts.C11)
1194 OS << "_Alignof";
1195 else
1196 OS << "__alignof";
1197 break;
1198 case UETT_VecStep:
1199 OS << "vec_step";
1200 break;
1201 }
1202 if (Node->isArgumentType()) {
1203 OS << '(';
1204 Node->getArgumentType().print(OS, Policy);
1205 OS << ')';
1206 } else {
1207 OS << " ";
1208 PrintExpr(Node->getArgumentExpr());
1209 }
1210 }
1211
VisitGenericSelectionExpr(GenericSelectionExpr * Node)1212 void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
1213 OS << "_Generic(";
1214 PrintExpr(Node->getControllingExpr());
1215 for (unsigned i = 0; i != Node->getNumAssocs(); ++i) {
1216 OS << ", ";
1217 QualType T = Node->getAssocType(i);
1218 if (T.isNull())
1219 OS << "default";
1220 else
1221 T.print(OS, Policy);
1222 OS << ": ";
1223 PrintExpr(Node->getAssocExpr(i));
1224 }
1225 OS << ")";
1226 }
1227
VisitArraySubscriptExpr(ArraySubscriptExpr * Node)1228 void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
1229 PrintExpr(Node->getLHS());
1230 OS << "[";
1231 PrintExpr(Node->getRHS());
1232 OS << "]";
1233 }
1234
PrintCallArgs(CallExpr * Call)1235 void StmtPrinter::PrintCallArgs(CallExpr *Call) {
1236 for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
1237 if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
1238 // Don't print any defaulted arguments
1239 break;
1240 }
1241
1242 if (i) OS << ", ";
1243 PrintExpr(Call->getArg(i));
1244 }
1245 }
1246
VisitCallExpr(CallExpr * Call)1247 void StmtPrinter::VisitCallExpr(CallExpr *Call) {
1248 PrintExpr(Call->getCallee());
1249 OS << "(";
1250 PrintCallArgs(Call);
1251 OS << ")";
1252 }
VisitMemberExpr(MemberExpr * Node)1253 void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
1254 // FIXME: Suppress printing implicit bases (like "this")
1255 PrintExpr(Node->getBase());
1256
1257 MemberExpr *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
1258 FieldDecl *ParentDecl = ParentMember
1259 ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl()) : nullptr;
1260
1261 if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
1262 OS << (Node->isArrow() ? "->" : ".");
1263
1264 if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
1265 if (FD->isAnonymousStructOrUnion())
1266 return;
1267
1268 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1269 Qualifier->print(OS, Policy);
1270 if (Node->hasTemplateKeyword())
1271 OS << "template ";
1272 OS << Node->getMemberNameInfo();
1273 if (Node->hasExplicitTemplateArgs())
1274 TemplateSpecializationType::PrintTemplateArgumentList(
1275 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1276 }
VisitObjCIsaExpr(ObjCIsaExpr * Node)1277 void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
1278 PrintExpr(Node->getBase());
1279 OS << (Node->isArrow() ? "->isa" : ".isa");
1280 }
1281
VisitExtVectorElementExpr(ExtVectorElementExpr * Node)1282 void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
1283 PrintExpr(Node->getBase());
1284 OS << ".";
1285 OS << Node->getAccessor().getName();
1286 }
VisitCStyleCastExpr(CStyleCastExpr * Node)1287 void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
1288 OS << '(';
1289 Node->getTypeAsWritten().print(OS, Policy);
1290 OS << ')';
1291 PrintExpr(Node->getSubExpr());
1292 }
VisitCompoundLiteralExpr(CompoundLiteralExpr * Node)1293 void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
1294 OS << '(';
1295 Node->getType().print(OS, Policy);
1296 OS << ')';
1297 PrintExpr(Node->getInitializer());
1298 }
VisitImplicitCastExpr(ImplicitCastExpr * Node)1299 void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
1300 // No need to print anything, simply forward to the subexpression.
1301 PrintExpr(Node->getSubExpr());
1302 }
VisitBinaryOperator(BinaryOperator * Node)1303 void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
1304 PrintExpr(Node->getLHS());
1305 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
1306 PrintExpr(Node->getRHS());
1307 }
VisitCompoundAssignOperator(CompoundAssignOperator * Node)1308 void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
1309 PrintExpr(Node->getLHS());
1310 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
1311 PrintExpr(Node->getRHS());
1312 }
VisitConditionalOperator(ConditionalOperator * Node)1313 void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
1314 PrintExpr(Node->getCond());
1315 OS << " ? ";
1316 PrintExpr(Node->getLHS());
1317 OS << " : ";
1318 PrintExpr(Node->getRHS());
1319 }
1320
1321 // GNU extensions.
1322
1323 void
VisitBinaryConditionalOperator(BinaryConditionalOperator * Node)1324 StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
1325 PrintExpr(Node->getCommon());
1326 OS << " ?: ";
1327 PrintExpr(Node->getFalseExpr());
1328 }
VisitAddrLabelExpr(AddrLabelExpr * Node)1329 void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
1330 OS << "&&" << Node->getLabel()->getName();
1331 }
1332
VisitStmtExpr(StmtExpr * E)1333 void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
1334 OS << "(";
1335 PrintRawCompoundStmt(E->getSubStmt());
1336 OS << ")";
1337 }
1338
VisitChooseExpr(ChooseExpr * Node)1339 void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
1340 OS << "__builtin_choose_expr(";
1341 PrintExpr(Node->getCond());
1342 OS << ", ";
1343 PrintExpr(Node->getLHS());
1344 OS << ", ";
1345 PrintExpr(Node->getRHS());
1346 OS << ")";
1347 }
1348
VisitGNUNullExpr(GNUNullExpr *)1349 void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
1350 OS << "__null";
1351 }
1352
VisitShuffleVectorExpr(ShuffleVectorExpr * Node)1353 void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
1354 OS << "__builtin_shufflevector(";
1355 for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
1356 if (i) OS << ", ";
1357 PrintExpr(Node->getExpr(i));
1358 }
1359 OS << ")";
1360 }
1361
VisitConvertVectorExpr(ConvertVectorExpr * Node)1362 void StmtPrinter::VisitConvertVectorExpr(ConvertVectorExpr *Node) {
1363 OS << "__builtin_convertvector(";
1364 PrintExpr(Node->getSrcExpr());
1365 OS << ", ";
1366 Node->getType().print(OS, Policy);
1367 OS << ")";
1368 }
1369
VisitInitListExpr(InitListExpr * Node)1370 void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
1371 if (Node->getSyntacticForm()) {
1372 Visit(Node->getSyntacticForm());
1373 return;
1374 }
1375
1376 OS << "{ ";
1377 for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
1378 if (i) OS << ", ";
1379 if (Node->getInit(i))
1380 PrintExpr(Node->getInit(i));
1381 else
1382 OS << "0";
1383 }
1384 OS << " }";
1385 }
1386
VisitParenListExpr(ParenListExpr * Node)1387 void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
1388 OS << "( ";
1389 for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
1390 if (i) OS << ", ";
1391 PrintExpr(Node->getExpr(i));
1392 }
1393 OS << " )";
1394 }
1395
VisitDesignatedInitExpr(DesignatedInitExpr * Node)1396 void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
1397 for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
1398 DEnd = Node->designators_end();
1399 D != DEnd; ++D) {
1400 if (D->isFieldDesignator()) {
1401 if (D->getDotLoc().isInvalid()) {
1402 if (IdentifierInfo *II = D->getFieldName())
1403 OS << II->getName() << ":";
1404 } else {
1405 OS << "." << D->getFieldName()->getName();
1406 }
1407 } else {
1408 OS << "[";
1409 if (D->isArrayDesignator()) {
1410 PrintExpr(Node->getArrayIndex(*D));
1411 } else {
1412 PrintExpr(Node->getArrayRangeStart(*D));
1413 OS << " ... ";
1414 PrintExpr(Node->getArrayRangeEnd(*D));
1415 }
1416 OS << "]";
1417 }
1418 }
1419
1420 OS << " = ";
1421 PrintExpr(Node->getInit());
1422 }
1423
VisitImplicitValueInitExpr(ImplicitValueInitExpr * Node)1424 void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
1425 if (Policy.LangOpts.CPlusPlus) {
1426 OS << "/*implicit*/";
1427 Node->getType().print(OS, Policy);
1428 OS << "()";
1429 } else {
1430 OS << "/*implicit*/(";
1431 Node->getType().print(OS, Policy);
1432 OS << ')';
1433 if (Node->getType()->isRecordType())
1434 OS << "{}";
1435 else
1436 OS << 0;
1437 }
1438 }
1439
VisitVAArgExpr(VAArgExpr * Node)1440 void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
1441 OS << "__builtin_va_arg(";
1442 PrintExpr(Node->getSubExpr());
1443 OS << ", ";
1444 Node->getType().print(OS, Policy);
1445 OS << ")";
1446 }
1447
VisitPseudoObjectExpr(PseudoObjectExpr * Node)1448 void StmtPrinter::VisitPseudoObjectExpr(PseudoObjectExpr *Node) {
1449 PrintExpr(Node->getSyntacticForm());
1450 }
1451
VisitAtomicExpr(AtomicExpr * Node)1452 void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
1453 const char *Name = nullptr;
1454 switch (Node->getOp()) {
1455 #define BUILTIN(ID, TYPE, ATTRS)
1456 #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \
1457 case AtomicExpr::AO ## ID: \
1458 Name = #ID "("; \
1459 break;
1460 #include "clang/Basic/Builtins.def"
1461 }
1462 OS << Name;
1463
1464 // AtomicExpr stores its subexpressions in a permuted order.
1465 PrintExpr(Node->getPtr());
1466 if (Node->getOp() != AtomicExpr::AO__c11_atomic_load &&
1467 Node->getOp() != AtomicExpr::AO__atomic_load_n) {
1468 OS << ", ";
1469 PrintExpr(Node->getVal1());
1470 }
1471 if (Node->getOp() == AtomicExpr::AO__atomic_exchange ||
1472 Node->isCmpXChg()) {
1473 OS << ", ";
1474 PrintExpr(Node->getVal2());
1475 }
1476 if (Node->getOp() == AtomicExpr::AO__atomic_compare_exchange ||
1477 Node->getOp() == AtomicExpr::AO__atomic_compare_exchange_n) {
1478 OS << ", ";
1479 PrintExpr(Node->getWeak());
1480 }
1481 if (Node->getOp() != AtomicExpr::AO__c11_atomic_init) {
1482 OS << ", ";
1483 PrintExpr(Node->getOrder());
1484 }
1485 if (Node->isCmpXChg()) {
1486 OS << ", ";
1487 PrintExpr(Node->getOrderFail());
1488 }
1489 OS << ")";
1490 }
1491
1492 // C++
VisitCXXOperatorCallExpr(CXXOperatorCallExpr * Node)1493 void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
1494 const char *OpStrings[NUM_OVERLOADED_OPERATORS] = {
1495 "",
1496 #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
1497 Spelling,
1498 #include "clang/Basic/OperatorKinds.def"
1499 };
1500
1501 OverloadedOperatorKind Kind = Node->getOperator();
1502 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
1503 if (Node->getNumArgs() == 1) {
1504 OS << OpStrings[Kind] << ' ';
1505 PrintExpr(Node->getArg(0));
1506 } else {
1507 PrintExpr(Node->getArg(0));
1508 OS << ' ' << OpStrings[Kind];
1509 }
1510 } else if (Kind == OO_Arrow) {
1511 PrintExpr(Node->getArg(0));
1512 } else if (Kind == OO_Call) {
1513 PrintExpr(Node->getArg(0));
1514 OS << '(';
1515 for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
1516 if (ArgIdx > 1)
1517 OS << ", ";
1518 if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
1519 PrintExpr(Node->getArg(ArgIdx));
1520 }
1521 OS << ')';
1522 } else if (Kind == OO_Subscript) {
1523 PrintExpr(Node->getArg(0));
1524 OS << '[';
1525 PrintExpr(Node->getArg(1));
1526 OS << ']';
1527 } else if (Node->getNumArgs() == 1) {
1528 OS << OpStrings[Kind] << ' ';
1529 PrintExpr(Node->getArg(0));
1530 } else if (Node->getNumArgs() == 2) {
1531 PrintExpr(Node->getArg(0));
1532 OS << ' ' << OpStrings[Kind] << ' ';
1533 PrintExpr(Node->getArg(1));
1534 } else {
1535 llvm_unreachable("unknown overloaded operator");
1536 }
1537 }
1538
VisitCXXMemberCallExpr(CXXMemberCallExpr * Node)1539 void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
1540 // If we have a conversion operator call only print the argument.
1541 CXXMethodDecl *MD = Node->getMethodDecl();
1542 if (MD && isa<CXXConversionDecl>(MD)) {
1543 PrintExpr(Node->getImplicitObjectArgument());
1544 return;
1545 }
1546 VisitCallExpr(cast<CallExpr>(Node));
1547 }
1548
VisitCUDAKernelCallExpr(CUDAKernelCallExpr * Node)1549 void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
1550 PrintExpr(Node->getCallee());
1551 OS << "<<<";
1552 PrintCallArgs(Node->getConfig());
1553 OS << ">>>(";
1554 PrintCallArgs(Node);
1555 OS << ")";
1556 }
1557
VisitCXXNamedCastExpr(CXXNamedCastExpr * Node)1558 void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
1559 OS << Node->getCastName() << '<';
1560 Node->getTypeAsWritten().print(OS, Policy);
1561 OS << ">(";
1562 PrintExpr(Node->getSubExpr());
1563 OS << ")";
1564 }
1565
VisitCXXStaticCastExpr(CXXStaticCastExpr * Node)1566 void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
1567 VisitCXXNamedCastExpr(Node);
1568 }
1569
VisitCXXDynamicCastExpr(CXXDynamicCastExpr * Node)1570 void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
1571 VisitCXXNamedCastExpr(Node);
1572 }
1573
VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr * Node)1574 void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
1575 VisitCXXNamedCastExpr(Node);
1576 }
1577
VisitCXXConstCastExpr(CXXConstCastExpr * Node)1578 void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
1579 VisitCXXNamedCastExpr(Node);
1580 }
1581
VisitCXXTypeidExpr(CXXTypeidExpr * Node)1582 void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
1583 OS << "typeid(";
1584 if (Node->isTypeOperand()) {
1585 Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
1586 } else {
1587 PrintExpr(Node->getExprOperand());
1588 }
1589 OS << ")";
1590 }
1591
VisitCXXUuidofExpr(CXXUuidofExpr * Node)1592 void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
1593 OS << "__uuidof(";
1594 if (Node->isTypeOperand()) {
1595 Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
1596 } else {
1597 PrintExpr(Node->getExprOperand());
1598 }
1599 OS << ")";
1600 }
1601
VisitMSPropertyRefExpr(MSPropertyRefExpr * Node)1602 void StmtPrinter::VisitMSPropertyRefExpr(MSPropertyRefExpr *Node) {
1603 PrintExpr(Node->getBaseExpr());
1604 if (Node->isArrow())
1605 OS << "->";
1606 else
1607 OS << ".";
1608 if (NestedNameSpecifier *Qualifier =
1609 Node->getQualifierLoc().getNestedNameSpecifier())
1610 Qualifier->print(OS, Policy);
1611 OS << Node->getPropertyDecl()->getDeclName();
1612 }
1613
VisitUserDefinedLiteral(UserDefinedLiteral * Node)1614 void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
1615 switch (Node->getLiteralOperatorKind()) {
1616 case UserDefinedLiteral::LOK_Raw:
1617 OS << cast<StringLiteral>(Node->getArg(0)->IgnoreImpCasts())->getString();
1618 break;
1619 case UserDefinedLiteral::LOK_Template: {
1620 DeclRefExpr *DRE = cast<DeclRefExpr>(Node->getCallee()->IgnoreImpCasts());
1621 const TemplateArgumentList *Args =
1622 cast<FunctionDecl>(DRE->getDecl())->getTemplateSpecializationArgs();
1623 assert(Args);
1624 const TemplateArgument &Pack = Args->get(0);
1625 for (const auto &P : Pack.pack_elements()) {
1626 char C = (char)P.getAsIntegral().getZExtValue();
1627 OS << C;
1628 }
1629 break;
1630 }
1631 case UserDefinedLiteral::LOK_Integer: {
1632 // Print integer literal without suffix.
1633 IntegerLiteral *Int = cast<IntegerLiteral>(Node->getCookedLiteral());
1634 OS << Int->getValue().toString(10, /*isSigned*/false);
1635 break;
1636 }
1637 case UserDefinedLiteral::LOK_Floating: {
1638 // Print floating literal without suffix.
1639 FloatingLiteral *Float = cast<FloatingLiteral>(Node->getCookedLiteral());
1640 PrintFloatingLiteral(OS, Float, /*PrintSuffix=*/false);
1641 break;
1642 }
1643 case UserDefinedLiteral::LOK_String:
1644 case UserDefinedLiteral::LOK_Character:
1645 PrintExpr(Node->getCookedLiteral());
1646 break;
1647 }
1648 OS << Node->getUDSuffix()->getName();
1649 }
1650
VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr * Node)1651 void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
1652 OS << (Node->getValue() ? "true" : "false");
1653 }
1654
VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr * Node)1655 void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
1656 OS << "nullptr";
1657 }
1658
VisitCXXThisExpr(CXXThisExpr * Node)1659 void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
1660 OS << "this";
1661 }
1662
VisitCXXThrowExpr(CXXThrowExpr * Node)1663 void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
1664 if (!Node->getSubExpr())
1665 OS << "throw";
1666 else {
1667 OS << "throw ";
1668 PrintExpr(Node->getSubExpr());
1669 }
1670 }
1671
VisitCXXDefaultArgExpr(CXXDefaultArgExpr * Node)1672 void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
1673 // Nothing to print: we picked up the default argument.
1674 }
1675
VisitCXXDefaultInitExpr(CXXDefaultInitExpr * Node)1676 void StmtPrinter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Node) {
1677 // Nothing to print: we picked up the default initializer.
1678 }
1679
VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr * Node)1680 void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
1681 Node->getType().print(OS, Policy);
1682 OS << "(";
1683 PrintExpr(Node->getSubExpr());
1684 OS << ")";
1685 }
1686
VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr * Node)1687 void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
1688 PrintExpr(Node->getSubExpr());
1689 }
1690
VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr * Node)1691 void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
1692 Node->getType().print(OS, Policy);
1693 OS << "(";
1694 for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
1695 ArgEnd = Node->arg_end();
1696 Arg != ArgEnd; ++Arg) {
1697 if (Arg->isDefaultArgument())
1698 break;
1699 if (Arg != Node->arg_begin())
1700 OS << ", ";
1701 PrintExpr(*Arg);
1702 }
1703 OS << ")";
1704 }
1705
VisitLambdaExpr(LambdaExpr * Node)1706 void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
1707 OS << '[';
1708 bool NeedComma = false;
1709 switch (Node->getCaptureDefault()) {
1710 case LCD_None:
1711 break;
1712
1713 case LCD_ByCopy:
1714 OS << '=';
1715 NeedComma = true;
1716 break;
1717
1718 case LCD_ByRef:
1719 OS << '&';
1720 NeedComma = true;
1721 break;
1722 }
1723 for (LambdaExpr::capture_iterator C = Node->explicit_capture_begin(),
1724 CEnd = Node->explicit_capture_end();
1725 C != CEnd;
1726 ++C) {
1727 if (NeedComma)
1728 OS << ", ";
1729 NeedComma = true;
1730
1731 switch (C->getCaptureKind()) {
1732 case LCK_This:
1733 OS << "this";
1734 break;
1735
1736 case LCK_ByRef:
1737 if (Node->getCaptureDefault() != LCD_ByRef || C->isInitCapture())
1738 OS << '&';
1739 OS << C->getCapturedVar()->getName();
1740 break;
1741
1742 case LCK_ByCopy:
1743 OS << C->getCapturedVar()->getName();
1744 break;
1745 case LCK_VLAType:
1746 llvm_unreachable("VLA type in explicit captures.");
1747 }
1748
1749 if (C->isInitCapture())
1750 PrintExpr(C->getCapturedVar()->getInit());
1751 }
1752 OS << ']';
1753
1754 if (Node->hasExplicitParameters()) {
1755 OS << " (";
1756 CXXMethodDecl *Method = Node->getCallOperator();
1757 NeedComma = false;
1758 for (auto P : Method->params()) {
1759 if (NeedComma) {
1760 OS << ", ";
1761 } else {
1762 NeedComma = true;
1763 }
1764 std::string ParamStr = P->getNameAsString();
1765 P->getOriginalType().print(OS, Policy, ParamStr);
1766 }
1767 if (Method->isVariadic()) {
1768 if (NeedComma)
1769 OS << ", ";
1770 OS << "...";
1771 }
1772 OS << ')';
1773
1774 if (Node->isMutable())
1775 OS << " mutable";
1776
1777 const FunctionProtoType *Proto
1778 = Method->getType()->getAs<FunctionProtoType>();
1779 Proto->printExceptionSpecification(OS, Policy);
1780
1781 // FIXME: Attributes
1782
1783 // Print the trailing return type if it was specified in the source.
1784 if (Node->hasExplicitResultType()) {
1785 OS << " -> ";
1786 Proto->getReturnType().print(OS, Policy);
1787 }
1788 }
1789
1790 // Print the body.
1791 CompoundStmt *Body = Node->getBody();
1792 OS << ' ';
1793 PrintStmt(Body);
1794 }
1795
VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr * Node)1796 void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
1797 if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
1798 TSInfo->getType().print(OS, Policy);
1799 else
1800 Node->getType().print(OS, Policy);
1801 OS << "()";
1802 }
1803
VisitCXXNewExpr(CXXNewExpr * E)1804 void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
1805 if (E->isGlobalNew())
1806 OS << "::";
1807 OS << "new ";
1808 unsigned NumPlace = E->getNumPlacementArgs();
1809 if (NumPlace > 0 && !isa<CXXDefaultArgExpr>(E->getPlacementArg(0))) {
1810 OS << "(";
1811 PrintExpr(E->getPlacementArg(0));
1812 for (unsigned i = 1; i < NumPlace; ++i) {
1813 if (isa<CXXDefaultArgExpr>(E->getPlacementArg(i)))
1814 break;
1815 OS << ", ";
1816 PrintExpr(E->getPlacementArg(i));
1817 }
1818 OS << ") ";
1819 }
1820 if (E->isParenTypeId())
1821 OS << "(";
1822 std::string TypeS;
1823 if (Expr *Size = E->getArraySize()) {
1824 llvm::raw_string_ostream s(TypeS);
1825 s << '[';
1826 Size->printPretty(s, Helper, Policy);
1827 s << ']';
1828 }
1829 E->getAllocatedType().print(OS, Policy, TypeS);
1830 if (E->isParenTypeId())
1831 OS << ")";
1832
1833 CXXNewExpr::InitializationStyle InitStyle = E->getInitializationStyle();
1834 if (InitStyle) {
1835 if (InitStyle == CXXNewExpr::CallInit)
1836 OS << "(";
1837 PrintExpr(E->getInitializer());
1838 if (InitStyle == CXXNewExpr::CallInit)
1839 OS << ")";
1840 }
1841 }
1842
VisitCXXDeleteExpr(CXXDeleteExpr * E)1843 void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1844 if (E->isGlobalDelete())
1845 OS << "::";
1846 OS << "delete ";
1847 if (E->isArrayForm())
1848 OS << "[] ";
1849 PrintExpr(E->getArgument());
1850 }
1851
VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr * E)1852 void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1853 PrintExpr(E->getBase());
1854 if (E->isArrow())
1855 OS << "->";
1856 else
1857 OS << '.';
1858 if (E->getQualifier())
1859 E->getQualifier()->print(OS, Policy);
1860 OS << "~";
1861
1862 if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
1863 OS << II->getName();
1864 else
1865 E->getDestroyedType().print(OS, Policy);
1866 }
1867
VisitCXXConstructExpr(CXXConstructExpr * E)1868 void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
1869 if (E->isListInitialization())
1870 OS << "{ ";
1871
1872 for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
1873 if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
1874 // Don't print any defaulted arguments
1875 break;
1876 }
1877
1878 if (i) OS << ", ";
1879 PrintExpr(E->getArg(i));
1880 }
1881
1882 if (E->isListInitialization())
1883 OS << " }";
1884 }
1885
VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr * E)1886 void StmtPrinter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
1887 PrintExpr(E->getSubExpr());
1888 }
1889
VisitExprWithCleanups(ExprWithCleanups * E)1890 void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
1891 // Just forward to the subexpression.
1892 PrintExpr(E->getSubExpr());
1893 }
1894
1895 void
VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr * Node)1896 StmtPrinter::VisitCXXUnresolvedConstructExpr(
1897 CXXUnresolvedConstructExpr *Node) {
1898 Node->getTypeAsWritten().print(OS, Policy);
1899 OS << "(";
1900 for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
1901 ArgEnd = Node->arg_end();
1902 Arg != ArgEnd; ++Arg) {
1903 if (Arg != Node->arg_begin())
1904 OS << ", ";
1905 PrintExpr(*Arg);
1906 }
1907 OS << ")";
1908 }
1909
VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr * Node)1910 void StmtPrinter::VisitCXXDependentScopeMemberExpr(
1911 CXXDependentScopeMemberExpr *Node) {
1912 if (!Node->isImplicitAccess()) {
1913 PrintExpr(Node->getBase());
1914 OS << (Node->isArrow() ? "->" : ".");
1915 }
1916 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1917 Qualifier->print(OS, Policy);
1918 if (Node->hasTemplateKeyword())
1919 OS << "template ";
1920 OS << Node->getMemberNameInfo();
1921 if (Node->hasExplicitTemplateArgs())
1922 TemplateSpecializationType::PrintTemplateArgumentList(
1923 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1924 }
1925
VisitUnresolvedMemberExpr(UnresolvedMemberExpr * Node)1926 void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
1927 if (!Node->isImplicitAccess()) {
1928 PrintExpr(Node->getBase());
1929 OS << (Node->isArrow() ? "->" : ".");
1930 }
1931 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1932 Qualifier->print(OS, Policy);
1933 if (Node->hasTemplateKeyword())
1934 OS << "template ";
1935 OS << Node->getMemberNameInfo();
1936 if (Node->hasExplicitTemplateArgs())
1937 TemplateSpecializationType::PrintTemplateArgumentList(
1938 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1939 }
1940
getTypeTraitName(TypeTrait TT)1941 static const char *getTypeTraitName(TypeTrait TT) {
1942 switch (TT) {
1943 #define TYPE_TRAIT_1(Spelling, Name, Key) \
1944 case clang::UTT_##Name: return #Spelling;
1945 #define TYPE_TRAIT_2(Spelling, Name, Key) \
1946 case clang::BTT_##Name: return #Spelling;
1947 #define TYPE_TRAIT_N(Spelling, Name, Key) \
1948 case clang::TT_##Name: return #Spelling;
1949 #include "clang/Basic/TokenKinds.def"
1950 }
1951 llvm_unreachable("Type trait not covered by switch");
1952 }
1953
getTypeTraitName(ArrayTypeTrait ATT)1954 static const char *getTypeTraitName(ArrayTypeTrait ATT) {
1955 switch (ATT) {
1956 case ATT_ArrayRank: return "__array_rank";
1957 case ATT_ArrayExtent: return "__array_extent";
1958 }
1959 llvm_unreachable("Array type trait not covered by switch");
1960 }
1961
getExpressionTraitName(ExpressionTrait ET)1962 static const char *getExpressionTraitName(ExpressionTrait ET) {
1963 switch (ET) {
1964 case ET_IsLValueExpr: return "__is_lvalue_expr";
1965 case ET_IsRValueExpr: return "__is_rvalue_expr";
1966 }
1967 llvm_unreachable("Expression type trait not covered by switch");
1968 }
1969
VisitTypeTraitExpr(TypeTraitExpr * E)1970 void StmtPrinter::VisitTypeTraitExpr(TypeTraitExpr *E) {
1971 OS << getTypeTraitName(E->getTrait()) << "(";
1972 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) {
1973 if (I > 0)
1974 OS << ", ";
1975 E->getArg(I)->getType().print(OS, Policy);
1976 }
1977 OS << ")";
1978 }
1979
VisitArrayTypeTraitExpr(ArrayTypeTraitExpr * E)1980 void StmtPrinter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1981 OS << getTypeTraitName(E->getTrait()) << '(';
1982 E->getQueriedType().print(OS, Policy);
1983 OS << ')';
1984 }
1985
VisitExpressionTraitExpr(ExpressionTraitExpr * E)1986 void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1987 OS << getExpressionTraitName(E->getTrait()) << '(';
1988 PrintExpr(E->getQueriedExpression());
1989 OS << ')';
1990 }
1991
VisitCXXNoexceptExpr(CXXNoexceptExpr * E)1992 void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1993 OS << "noexcept(";
1994 PrintExpr(E->getOperand());
1995 OS << ")";
1996 }
1997
VisitPackExpansionExpr(PackExpansionExpr * E)1998 void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
1999 PrintExpr(E->getPattern());
2000 OS << "...";
2001 }
2002
VisitSizeOfPackExpr(SizeOfPackExpr * E)2003 void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
2004 OS << "sizeof...(" << *E->getPack() << ")";
2005 }
2006
VisitSubstNonTypeTemplateParmPackExpr(SubstNonTypeTemplateParmPackExpr * Node)2007 void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
2008 SubstNonTypeTemplateParmPackExpr *Node) {
2009 OS << *Node->getParameterPack();
2010 }
2011
VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr * Node)2012 void StmtPrinter::VisitSubstNonTypeTemplateParmExpr(
2013 SubstNonTypeTemplateParmExpr *Node) {
2014 Visit(Node->getReplacement());
2015 }
2016
VisitFunctionParmPackExpr(FunctionParmPackExpr * E)2017 void StmtPrinter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
2018 OS << *E->getParameterPack();
2019 }
2020
VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr * Node)2021 void StmtPrinter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *Node){
2022 PrintExpr(Node->GetTemporaryExpr());
2023 }
2024
VisitCXXFoldExpr(CXXFoldExpr * E)2025 void StmtPrinter::VisitCXXFoldExpr(CXXFoldExpr *E) {
2026 OS << "(";
2027 if (E->getLHS()) {
2028 PrintExpr(E->getLHS());
2029 OS << " " << BinaryOperator::getOpcodeStr(E->getOperator()) << " ";
2030 }
2031 OS << "...";
2032 if (E->getRHS()) {
2033 OS << " " << BinaryOperator::getOpcodeStr(E->getOperator()) << " ";
2034 PrintExpr(E->getRHS());
2035 }
2036 OS << ")";
2037 }
2038
2039 // Obj-C
2040
VisitObjCStringLiteral(ObjCStringLiteral * Node)2041 void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
2042 OS << "@";
2043 VisitStringLiteral(Node->getString());
2044 }
2045
VisitObjCBoxedExpr(ObjCBoxedExpr * E)2046 void StmtPrinter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
2047 OS << "@";
2048 Visit(E->getSubExpr());
2049 }
2050
VisitObjCArrayLiteral(ObjCArrayLiteral * E)2051 void StmtPrinter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
2052 OS << "@[ ";
2053 StmtRange ch = E->children();
2054 if (ch.first != ch.second) {
2055 while (1) {
2056 Visit(*ch.first);
2057 ++ch.first;
2058 if (ch.first == ch.second) break;
2059 OS << ", ";
2060 }
2061 }
2062 OS << " ]";
2063 }
2064
VisitObjCDictionaryLiteral(ObjCDictionaryLiteral * E)2065 void StmtPrinter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
2066 OS << "@{ ";
2067 for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) {
2068 if (I > 0)
2069 OS << ", ";
2070
2071 ObjCDictionaryElement Element = E->getKeyValueElement(I);
2072 Visit(Element.Key);
2073 OS << " : ";
2074 Visit(Element.Value);
2075 if (Element.isPackExpansion())
2076 OS << "...";
2077 }
2078 OS << " }";
2079 }
2080
VisitObjCEncodeExpr(ObjCEncodeExpr * Node)2081 void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
2082 OS << "@encode(";
2083 Node->getEncodedType().print(OS, Policy);
2084 OS << ')';
2085 }
2086
VisitObjCSelectorExpr(ObjCSelectorExpr * Node)2087 void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
2088 OS << "@selector(";
2089 Node->getSelector().print(OS);
2090 OS << ')';
2091 }
2092
VisitObjCProtocolExpr(ObjCProtocolExpr * Node)2093 void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
2094 OS << "@protocol(" << *Node->getProtocol() << ')';
2095 }
2096
VisitObjCMessageExpr(ObjCMessageExpr * Mess)2097 void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
2098 OS << "[";
2099 switch (Mess->getReceiverKind()) {
2100 case ObjCMessageExpr::Instance:
2101 PrintExpr(Mess->getInstanceReceiver());
2102 break;
2103
2104 case ObjCMessageExpr::Class:
2105 Mess->getClassReceiver().print(OS, Policy);
2106 break;
2107
2108 case ObjCMessageExpr::SuperInstance:
2109 case ObjCMessageExpr::SuperClass:
2110 OS << "Super";
2111 break;
2112 }
2113
2114 OS << ' ';
2115 Selector selector = Mess->getSelector();
2116 if (selector.isUnarySelector()) {
2117 OS << selector.getNameForSlot(0);
2118 } else {
2119 for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
2120 if (i < selector.getNumArgs()) {
2121 if (i > 0) OS << ' ';
2122 if (selector.getIdentifierInfoForSlot(i))
2123 OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
2124 else
2125 OS << ":";
2126 }
2127 else OS << ", "; // Handle variadic methods.
2128
2129 PrintExpr(Mess->getArg(i));
2130 }
2131 }
2132 OS << "]";
2133 }
2134
VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr * Node)2135 void StmtPrinter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Node) {
2136 OS << (Node->getValue() ? "__objc_yes" : "__objc_no");
2137 }
2138
2139 void
VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr * E)2140 StmtPrinter::VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
2141 PrintExpr(E->getSubExpr());
2142 }
2143
2144 void
VisitObjCBridgedCastExpr(ObjCBridgedCastExpr * E)2145 StmtPrinter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
2146 OS << '(' << E->getBridgeKindName();
2147 E->getType().print(OS, Policy);
2148 OS << ')';
2149 PrintExpr(E->getSubExpr());
2150 }
2151
VisitBlockExpr(BlockExpr * Node)2152 void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
2153 BlockDecl *BD = Node->getBlockDecl();
2154 OS << "^";
2155
2156 const FunctionType *AFT = Node->getFunctionType();
2157
2158 if (isa<FunctionNoProtoType>(AFT)) {
2159 OS << "()";
2160 } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
2161 OS << '(';
2162 for (BlockDecl::param_iterator AI = BD->param_begin(),
2163 E = BD->param_end(); AI != E; ++AI) {
2164 if (AI != BD->param_begin()) OS << ", ";
2165 std::string ParamStr = (*AI)->getNameAsString();
2166 (*AI)->getType().print(OS, Policy, ParamStr);
2167 }
2168
2169 const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
2170 if (FT->isVariadic()) {
2171 if (!BD->param_empty()) OS << ", ";
2172 OS << "...";
2173 }
2174 OS << ')';
2175 }
2176 OS << "{ }";
2177 }
2178
VisitOpaqueValueExpr(OpaqueValueExpr * Node)2179 void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {
2180 PrintExpr(Node->getSourceExpr());
2181 }
2182
VisitTypoExpr(TypoExpr * Node)2183 void StmtPrinter::VisitTypoExpr(TypoExpr *Node) {
2184 // TODO: Print something reasonable for a TypoExpr, if necessary.
2185 assert(false && "Cannot print TypoExpr nodes");
2186 }
2187
VisitAsTypeExpr(AsTypeExpr * Node)2188 void StmtPrinter::VisitAsTypeExpr(AsTypeExpr *Node) {
2189 OS << "__builtin_astype(";
2190 PrintExpr(Node->getSrcExpr());
2191 OS << ", ";
2192 Node->getType().print(OS, Policy);
2193 OS << ")";
2194 }
2195
2196 //===----------------------------------------------------------------------===//
2197 // Stmt method implementations
2198 //===----------------------------------------------------------------------===//
2199
dumpPretty(const ASTContext & Context) const2200 void Stmt::dumpPretty(const ASTContext &Context) const {
2201 printPretty(llvm::errs(), nullptr, PrintingPolicy(Context.getLangOpts()));
2202 }
2203
printPretty(raw_ostream & OS,PrinterHelper * Helper,const PrintingPolicy & Policy,unsigned Indentation) const2204 void Stmt::printPretty(raw_ostream &OS,
2205 PrinterHelper *Helper,
2206 const PrintingPolicy &Policy,
2207 unsigned Indentation) const {
2208 StmtPrinter P(OS, Helper, Policy, Indentation);
2209 P.Visit(const_cast<Stmt*>(this));
2210 }
2211
2212 //===----------------------------------------------------------------------===//
2213 // PrinterHelper
2214 //===----------------------------------------------------------------------===//
2215
2216 // Implement virtual destructor.
~PrinterHelper()2217 PrinterHelper::~PrinterHelper() {}
2218