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/ExprOpenMP.h"
23 #include "clang/AST/PrettyPrinter.h"
24 #include "clang/AST/StmtVisitor.h"
25 #include "clang/Basic/CharInfo.h"
26 #include "llvm/ADT/SmallString.h"
27 #include "llvm/Support/Format.h"
28 using namespace clang;
29
30 //===----------------------------------------------------------------------===//
31 // StmtPrinter Visitor
32 //===----------------------------------------------------------------------===//
33
34 namespace {
35 class StmtPrinter : public StmtVisitor<StmtPrinter> {
36 raw_ostream &OS;
37 unsigned IndentLevel;
38 clang::PrinterHelper* Helper;
39 PrintingPolicy Policy;
40
41 public:
StmtPrinter(raw_ostream & os,PrinterHelper * helper,const PrintingPolicy & Policy,unsigned Indentation=0)42 StmtPrinter(raw_ostream &os, PrinterHelper* helper,
43 const PrintingPolicy &Policy,
44 unsigned Indentation = 0)
45 : OS(os), IndentLevel(Indentation), Helper(helper), Policy(Policy) {}
46
PrintStmt(Stmt * S)47 void PrintStmt(Stmt *S) {
48 PrintStmt(S, Policy.Indentation);
49 }
50
PrintStmt(Stmt * S,int SubIndent)51 void PrintStmt(Stmt *S, int SubIndent) {
52 IndentLevel += SubIndent;
53 if (S && isa<Expr>(S)) {
54 // If this is an expr used in a stmt context, indent and newline it.
55 Indent();
56 Visit(S);
57 OS << ";\n";
58 } else if (S) {
59 Visit(S);
60 } else {
61 Indent() << "<<<NULL STATEMENT>>>\n";
62 }
63 IndentLevel -= SubIndent;
64 }
65
66 void PrintRawCompoundStmt(CompoundStmt *S);
67 void PrintRawDecl(Decl *D);
68 void PrintRawDeclStmt(const DeclStmt *S);
69 void PrintRawIfStmt(IfStmt *If);
70 void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
71 void PrintCallArgs(CallExpr *E);
72 void PrintRawSEHExceptHandler(SEHExceptStmt *S);
73 void PrintRawSEHFinallyStmt(SEHFinallyStmt *S);
74 void PrintOMPExecutableDirective(OMPExecutableDirective *S);
75
PrintExpr(Expr * E)76 void PrintExpr(Expr *E) {
77 if (E)
78 Visit(E);
79 else
80 OS << "<null expr>";
81 }
82
Indent(int Delta=0)83 raw_ostream &Indent(int Delta = 0) {
84 for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
85 OS << " ";
86 return OS;
87 }
88
Visit(Stmt * S)89 void Visit(Stmt* S) {
90 if (Helper && Helper->handledStmt(S,OS))
91 return;
92 else StmtVisitor<StmtPrinter>::Visit(S);
93 }
94
VisitStmt(Stmt * Node)95 void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
96 Indent() << "<<unknown stmt type>>\n";
97 }
VisitExpr(Expr * Node)98 void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
99 OS << "<<unknown expr type>>";
100 }
101 void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
102
103 #define ABSTRACT_STMT(CLASS)
104 #define STMT(CLASS, PARENT) \
105 void Visit##CLASS(CLASS *Node);
106 #include "clang/AST/StmtNodes.inc"
107 };
108 }
109
110 //===----------------------------------------------------------------------===//
111 // Stmt printing methods.
112 //===----------------------------------------------------------------------===//
113
114 /// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
115 /// with no newline after the }.
PrintRawCompoundStmt(CompoundStmt * Node)116 void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
117 OS << "{\n";
118 for (auto *I : Node->body())
119 PrintStmt(I);
120
121 Indent() << "}";
122 }
123
PrintRawDecl(Decl * D)124 void StmtPrinter::PrintRawDecl(Decl *D) {
125 D->print(OS, Policy, IndentLevel);
126 }
127
PrintRawDeclStmt(const DeclStmt * S)128 void StmtPrinter::PrintRawDeclStmt(const DeclStmt *S) {
129 SmallVector<Decl*, 2> Decls(S->decls());
130 Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
131 }
132
VisitNullStmt(NullStmt * Node)133 void StmtPrinter::VisitNullStmt(NullStmt *Node) {
134 Indent() << ";\n";
135 }
136
VisitDeclStmt(DeclStmt * Node)137 void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
138 Indent();
139 PrintRawDeclStmt(Node);
140 OS << ";\n";
141 }
142
VisitCompoundStmt(CompoundStmt * Node)143 void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
144 Indent();
145 PrintRawCompoundStmt(Node);
146 OS << "\n";
147 }
148
VisitCaseStmt(CaseStmt * Node)149 void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
150 Indent(-1) << "case ";
151 PrintExpr(Node->getLHS());
152 if (Node->getRHS()) {
153 OS << " ... ";
154 PrintExpr(Node->getRHS());
155 }
156 OS << ":\n";
157
158 PrintStmt(Node->getSubStmt(), 0);
159 }
160
VisitDefaultStmt(DefaultStmt * Node)161 void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
162 Indent(-1) << "default:\n";
163 PrintStmt(Node->getSubStmt(), 0);
164 }
165
VisitLabelStmt(LabelStmt * Node)166 void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
167 Indent(-1) << Node->getName() << ":\n";
168 PrintStmt(Node->getSubStmt(), 0);
169 }
170
VisitAttributedStmt(AttributedStmt * Node)171 void StmtPrinter::VisitAttributedStmt(AttributedStmt *Node) {
172 for (const auto *Attr : Node->getAttrs()) {
173 Attr->printPretty(OS, Policy);
174 }
175
176 PrintStmt(Node->getSubStmt(), 0);
177 }
178
PrintRawIfStmt(IfStmt * If)179 void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
180 OS << "if (";
181 if (const DeclStmt *DS = If->getConditionVariableDeclStmt())
182 PrintRawDeclStmt(DS);
183 else
184 PrintExpr(If->getCond());
185 OS << ')';
186
187 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
188 OS << ' ';
189 PrintRawCompoundStmt(CS);
190 OS << (If->getElse() ? ' ' : '\n');
191 } else {
192 OS << '\n';
193 PrintStmt(If->getThen());
194 if (If->getElse()) Indent();
195 }
196
197 if (Stmt *Else = If->getElse()) {
198 OS << "else";
199
200 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
201 OS << ' ';
202 PrintRawCompoundStmt(CS);
203 OS << '\n';
204 } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) {
205 OS << ' ';
206 PrintRawIfStmt(ElseIf);
207 } else {
208 OS << '\n';
209 PrintStmt(If->getElse());
210 }
211 }
212 }
213
VisitIfStmt(IfStmt * If)214 void StmtPrinter::VisitIfStmt(IfStmt *If) {
215 Indent();
216 PrintRawIfStmt(If);
217 }
218
VisitSwitchStmt(SwitchStmt * Node)219 void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
220 Indent() << "switch (";
221 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
222 PrintRawDeclStmt(DS);
223 else
224 PrintExpr(Node->getCond());
225 OS << ")";
226
227 // Pretty print compoundstmt bodies (very common).
228 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
229 OS << " ";
230 PrintRawCompoundStmt(CS);
231 OS << "\n";
232 } else {
233 OS << "\n";
234 PrintStmt(Node->getBody());
235 }
236 }
237
VisitWhileStmt(WhileStmt * Node)238 void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
239 Indent() << "while (";
240 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
241 PrintRawDeclStmt(DS);
242 else
243 PrintExpr(Node->getCond());
244 OS << ")\n";
245 PrintStmt(Node->getBody());
246 }
247
VisitDoStmt(DoStmt * Node)248 void StmtPrinter::VisitDoStmt(DoStmt *Node) {
249 Indent() << "do ";
250 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
251 PrintRawCompoundStmt(CS);
252 OS << " ";
253 } else {
254 OS << "\n";
255 PrintStmt(Node->getBody());
256 Indent();
257 }
258
259 OS << "while (";
260 PrintExpr(Node->getCond());
261 OS << ");\n";
262 }
263
VisitForStmt(ForStmt * Node)264 void StmtPrinter::VisitForStmt(ForStmt *Node) {
265 Indent() << "for (";
266 if (Node->getInit()) {
267 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit()))
268 PrintRawDeclStmt(DS);
269 else
270 PrintExpr(cast<Expr>(Node->getInit()));
271 }
272 OS << ";";
273 if (Node->getCond()) {
274 OS << " ";
275 PrintExpr(Node->getCond());
276 }
277 OS << ";";
278 if (Node->getInc()) {
279 OS << " ";
280 PrintExpr(Node->getInc());
281 }
282 OS << ") ";
283
284 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
285 PrintRawCompoundStmt(CS);
286 OS << "\n";
287 } else {
288 OS << "\n";
289 PrintStmt(Node->getBody());
290 }
291 }
292
VisitObjCForCollectionStmt(ObjCForCollectionStmt * Node)293 void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
294 Indent() << "for (";
295 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement()))
296 PrintRawDeclStmt(DS);
297 else
298 PrintExpr(cast<Expr>(Node->getElement()));
299 OS << " in ";
300 PrintExpr(Node->getCollection());
301 OS << ") ";
302
303 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
304 PrintRawCompoundStmt(CS);
305 OS << "\n";
306 } else {
307 OS << "\n";
308 PrintStmt(Node->getBody());
309 }
310 }
311
VisitCXXForRangeStmt(CXXForRangeStmt * Node)312 void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
313 Indent() << "for (";
314 PrintingPolicy SubPolicy(Policy);
315 SubPolicy.SuppressInitializers = true;
316 Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
317 OS << " : ";
318 PrintExpr(Node->getRangeInit());
319 OS << ") {\n";
320 PrintStmt(Node->getBody());
321 Indent() << "}";
322 if (Policy.IncludeNewlines) OS << "\n";
323 }
324
VisitMSDependentExistsStmt(MSDependentExistsStmt * Node)325 void StmtPrinter::VisitMSDependentExistsStmt(MSDependentExistsStmt *Node) {
326 Indent();
327 if (Node->isIfExists())
328 OS << "__if_exists (";
329 else
330 OS << "__if_not_exists (";
331
332 if (NestedNameSpecifier *Qualifier
333 = Node->getQualifierLoc().getNestedNameSpecifier())
334 Qualifier->print(OS, Policy);
335
336 OS << Node->getNameInfo() << ") ";
337
338 PrintRawCompoundStmt(Node->getSubStmt());
339 }
340
VisitGotoStmt(GotoStmt * Node)341 void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
342 Indent() << "goto " << Node->getLabel()->getName() << ";";
343 if (Policy.IncludeNewlines) OS << "\n";
344 }
345
VisitIndirectGotoStmt(IndirectGotoStmt * Node)346 void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
347 Indent() << "goto *";
348 PrintExpr(Node->getTarget());
349 OS << ";";
350 if (Policy.IncludeNewlines) OS << "\n";
351 }
352
VisitContinueStmt(ContinueStmt * Node)353 void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
354 Indent() << "continue;";
355 if (Policy.IncludeNewlines) OS << "\n";
356 }
357
VisitBreakStmt(BreakStmt * Node)358 void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
359 Indent() << "break;";
360 if (Policy.IncludeNewlines) OS << "\n";
361 }
362
363
VisitReturnStmt(ReturnStmt * Node)364 void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
365 Indent() << "return";
366 if (Node->getRetValue()) {
367 OS << " ";
368 PrintExpr(Node->getRetValue());
369 }
370 OS << ";";
371 if (Policy.IncludeNewlines) OS << "\n";
372 }
373
374
VisitGCCAsmStmt(GCCAsmStmt * Node)375 void StmtPrinter::VisitGCCAsmStmt(GCCAsmStmt *Node) {
376 Indent() << "asm ";
377
378 if (Node->isVolatile())
379 OS << "volatile ";
380
381 OS << "(";
382 VisitStringLiteral(Node->getAsmString());
383
384 // Outputs
385 if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
386 Node->getNumClobbers() != 0)
387 OS << " : ";
388
389 for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
390 if (i != 0)
391 OS << ", ";
392
393 if (!Node->getOutputName(i).empty()) {
394 OS << '[';
395 OS << Node->getOutputName(i);
396 OS << "] ";
397 }
398
399 VisitStringLiteral(Node->getOutputConstraintLiteral(i));
400 OS << " (";
401 Visit(Node->getOutputExpr(i));
402 OS << ")";
403 }
404
405 // Inputs
406 if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
407 OS << " : ";
408
409 for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
410 if (i != 0)
411 OS << ", ";
412
413 if (!Node->getInputName(i).empty()) {
414 OS << '[';
415 OS << Node->getInputName(i);
416 OS << "] ";
417 }
418
419 VisitStringLiteral(Node->getInputConstraintLiteral(i));
420 OS << " (";
421 Visit(Node->getInputExpr(i));
422 OS << ")";
423 }
424
425 // Clobbers
426 if (Node->getNumClobbers() != 0)
427 OS << " : ";
428
429 for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
430 if (i != 0)
431 OS << ", ";
432
433 VisitStringLiteral(Node->getClobberStringLiteral(i));
434 }
435
436 OS << ");";
437 if (Policy.IncludeNewlines) OS << "\n";
438 }
439
VisitMSAsmStmt(MSAsmStmt * Node)440 void StmtPrinter::VisitMSAsmStmt(MSAsmStmt *Node) {
441 // FIXME: Implement MS style inline asm statement printer.
442 Indent() << "__asm ";
443 if (Node->hasBraces())
444 OS << "{\n";
445 OS << Node->getAsmString() << "\n";
446 if (Node->hasBraces())
447 Indent() << "}\n";
448 }
449
VisitCapturedStmt(CapturedStmt * Node)450 void StmtPrinter::VisitCapturedStmt(CapturedStmt *Node) {
451 PrintStmt(Node->getCapturedDecl()->getBody());
452 }
453
VisitObjCAtTryStmt(ObjCAtTryStmt * Node)454 void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
455 Indent() << "@try";
456 if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
457 PrintRawCompoundStmt(TS);
458 OS << "\n";
459 }
460
461 for (unsigned I = 0, N = Node->getNumCatchStmts(); I != N; ++I) {
462 ObjCAtCatchStmt *catchStmt = Node->getCatchStmt(I);
463 Indent() << "@catch(";
464 if (catchStmt->getCatchParamDecl()) {
465 if (Decl *DS = catchStmt->getCatchParamDecl())
466 PrintRawDecl(DS);
467 }
468 OS << ")";
469 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
470 PrintRawCompoundStmt(CS);
471 OS << "\n";
472 }
473 }
474
475 if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
476 Node->getFinallyStmt())) {
477 Indent() << "@finally";
478 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
479 OS << "\n";
480 }
481 }
482
VisitObjCAtFinallyStmt(ObjCAtFinallyStmt * Node)483 void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
484 }
485
VisitObjCAtCatchStmt(ObjCAtCatchStmt * Node)486 void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
487 Indent() << "@catch (...) { /* todo */ } \n";
488 }
489
VisitObjCAtThrowStmt(ObjCAtThrowStmt * Node)490 void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
491 Indent() << "@throw";
492 if (Node->getThrowExpr()) {
493 OS << " ";
494 PrintExpr(Node->getThrowExpr());
495 }
496 OS << ";\n";
497 }
498
VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt * Node)499 void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
500 Indent() << "@synchronized (";
501 PrintExpr(Node->getSynchExpr());
502 OS << ")";
503 PrintRawCompoundStmt(Node->getSynchBody());
504 OS << "\n";
505 }
506
VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt * Node)507 void StmtPrinter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *Node) {
508 Indent() << "@autoreleasepool";
509 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(Node->getSubStmt()));
510 OS << "\n";
511 }
512
PrintRawCXXCatchStmt(CXXCatchStmt * Node)513 void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
514 OS << "catch (";
515 if (Decl *ExDecl = Node->getExceptionDecl())
516 PrintRawDecl(ExDecl);
517 else
518 OS << "...";
519 OS << ") ";
520 PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
521 }
522
VisitCXXCatchStmt(CXXCatchStmt * Node)523 void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
524 Indent();
525 PrintRawCXXCatchStmt(Node);
526 OS << "\n";
527 }
528
VisitCXXTryStmt(CXXTryStmt * Node)529 void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
530 Indent() << "try ";
531 PrintRawCompoundStmt(Node->getTryBlock());
532 for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
533 OS << " ";
534 PrintRawCXXCatchStmt(Node->getHandler(i));
535 }
536 OS << "\n";
537 }
538
VisitSEHTryStmt(SEHTryStmt * Node)539 void StmtPrinter::VisitSEHTryStmt(SEHTryStmt *Node) {
540 Indent() << (Node->getIsCXXTry() ? "try " : "__try ");
541 PrintRawCompoundStmt(Node->getTryBlock());
542 SEHExceptStmt *E = Node->getExceptHandler();
543 SEHFinallyStmt *F = Node->getFinallyHandler();
544 if(E)
545 PrintRawSEHExceptHandler(E);
546 else {
547 assert(F && "Must have a finally block...");
548 PrintRawSEHFinallyStmt(F);
549 }
550 OS << "\n";
551 }
552
PrintRawSEHFinallyStmt(SEHFinallyStmt * Node)553 void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
554 OS << "__finally ";
555 PrintRawCompoundStmt(Node->getBlock());
556 OS << "\n";
557 }
558
PrintRawSEHExceptHandler(SEHExceptStmt * Node)559 void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
560 OS << "__except (";
561 VisitExpr(Node->getFilterExpr());
562 OS << ")\n";
563 PrintRawCompoundStmt(Node->getBlock());
564 OS << "\n";
565 }
566
VisitSEHExceptStmt(SEHExceptStmt * Node)567 void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
568 Indent();
569 PrintRawSEHExceptHandler(Node);
570 OS << "\n";
571 }
572
VisitSEHFinallyStmt(SEHFinallyStmt * Node)573 void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
574 Indent();
575 PrintRawSEHFinallyStmt(Node);
576 OS << "\n";
577 }
578
VisitSEHLeaveStmt(SEHLeaveStmt * Node)579 void StmtPrinter::VisitSEHLeaveStmt(SEHLeaveStmt *Node) {
580 Indent() << "__leave;";
581 if (Policy.IncludeNewlines) OS << "\n";
582 }
583
584 //===----------------------------------------------------------------------===//
585 // OpenMP clauses printing methods
586 //===----------------------------------------------------------------------===//
587
588 namespace {
589 class OMPClausePrinter : public OMPClauseVisitor<OMPClausePrinter> {
590 raw_ostream &OS;
591 const PrintingPolicy &Policy;
592 /// \brief Process clauses with list of variables.
593 template <typename T>
594 void VisitOMPClauseList(T *Node, char StartSym);
595 public:
OMPClausePrinter(raw_ostream & OS,const PrintingPolicy & Policy)596 OMPClausePrinter(raw_ostream &OS, const PrintingPolicy &Policy)
597 : OS(OS), Policy(Policy) { }
598 #define OPENMP_CLAUSE(Name, Class) \
599 void Visit##Class(Class *S);
600 #include "clang/Basic/OpenMPKinds.def"
601 };
602
VisitOMPIfClause(OMPIfClause * Node)603 void OMPClausePrinter::VisitOMPIfClause(OMPIfClause *Node) {
604 OS << "if(";
605 if (Node->getNameModifier() != OMPD_unknown)
606 OS << getOpenMPDirectiveName(Node->getNameModifier()) << ": ";
607 Node->getCondition()->printPretty(OS, nullptr, Policy, 0);
608 OS << ")";
609 }
610
VisitOMPFinalClause(OMPFinalClause * Node)611 void OMPClausePrinter::VisitOMPFinalClause(OMPFinalClause *Node) {
612 OS << "final(";
613 Node->getCondition()->printPretty(OS, nullptr, Policy, 0);
614 OS << ")";
615 }
616
VisitOMPNumThreadsClause(OMPNumThreadsClause * Node)617 void OMPClausePrinter::VisitOMPNumThreadsClause(OMPNumThreadsClause *Node) {
618 OS << "num_threads(";
619 Node->getNumThreads()->printPretty(OS, nullptr, Policy, 0);
620 OS << ")";
621 }
622
VisitOMPSafelenClause(OMPSafelenClause * Node)623 void OMPClausePrinter::VisitOMPSafelenClause(OMPSafelenClause *Node) {
624 OS << "safelen(";
625 Node->getSafelen()->printPretty(OS, nullptr, Policy, 0);
626 OS << ")";
627 }
628
VisitOMPSimdlenClause(OMPSimdlenClause * Node)629 void OMPClausePrinter::VisitOMPSimdlenClause(OMPSimdlenClause *Node) {
630 OS << "simdlen(";
631 Node->getSimdlen()->printPretty(OS, nullptr, Policy, 0);
632 OS << ")";
633 }
634
VisitOMPCollapseClause(OMPCollapseClause * Node)635 void OMPClausePrinter::VisitOMPCollapseClause(OMPCollapseClause *Node) {
636 OS << "collapse(";
637 Node->getNumForLoops()->printPretty(OS, nullptr, Policy, 0);
638 OS << ")";
639 }
640
VisitOMPDefaultClause(OMPDefaultClause * Node)641 void OMPClausePrinter::VisitOMPDefaultClause(OMPDefaultClause *Node) {
642 OS << "default("
643 << getOpenMPSimpleClauseTypeName(OMPC_default, Node->getDefaultKind())
644 << ")";
645 }
646
VisitOMPProcBindClause(OMPProcBindClause * Node)647 void OMPClausePrinter::VisitOMPProcBindClause(OMPProcBindClause *Node) {
648 OS << "proc_bind("
649 << getOpenMPSimpleClauseTypeName(OMPC_proc_bind, Node->getProcBindKind())
650 << ")";
651 }
652
VisitOMPScheduleClause(OMPScheduleClause * Node)653 void OMPClausePrinter::VisitOMPScheduleClause(OMPScheduleClause *Node) {
654 OS << "schedule("
655 << getOpenMPSimpleClauseTypeName(OMPC_schedule, Node->getScheduleKind());
656 if (Node->getChunkSize()) {
657 OS << ", ";
658 Node->getChunkSize()->printPretty(OS, nullptr, Policy);
659 }
660 OS << ")";
661 }
662
VisitOMPOrderedClause(OMPOrderedClause * Node)663 void OMPClausePrinter::VisitOMPOrderedClause(OMPOrderedClause *Node) {
664 OS << "ordered";
665 if (auto *Num = Node->getNumForLoops()) {
666 OS << "(";
667 Num->printPretty(OS, nullptr, Policy, 0);
668 OS << ")";
669 }
670 }
671
VisitOMPNowaitClause(OMPNowaitClause *)672 void OMPClausePrinter::VisitOMPNowaitClause(OMPNowaitClause *) {
673 OS << "nowait";
674 }
675
VisitOMPUntiedClause(OMPUntiedClause *)676 void OMPClausePrinter::VisitOMPUntiedClause(OMPUntiedClause *) {
677 OS << "untied";
678 }
679
VisitOMPNogroupClause(OMPNogroupClause *)680 void OMPClausePrinter::VisitOMPNogroupClause(OMPNogroupClause *) {
681 OS << "nogroup";
682 }
683
VisitOMPMergeableClause(OMPMergeableClause *)684 void OMPClausePrinter::VisitOMPMergeableClause(OMPMergeableClause *) {
685 OS << "mergeable";
686 }
687
VisitOMPReadClause(OMPReadClause *)688 void OMPClausePrinter::VisitOMPReadClause(OMPReadClause *) { OS << "read"; }
689
VisitOMPWriteClause(OMPWriteClause *)690 void OMPClausePrinter::VisitOMPWriteClause(OMPWriteClause *) { OS << "write"; }
691
VisitOMPUpdateClause(OMPUpdateClause *)692 void OMPClausePrinter::VisitOMPUpdateClause(OMPUpdateClause *) {
693 OS << "update";
694 }
695
VisitOMPCaptureClause(OMPCaptureClause *)696 void OMPClausePrinter::VisitOMPCaptureClause(OMPCaptureClause *) {
697 OS << "capture";
698 }
699
VisitOMPSeqCstClause(OMPSeqCstClause *)700 void OMPClausePrinter::VisitOMPSeqCstClause(OMPSeqCstClause *) {
701 OS << "seq_cst";
702 }
703
VisitOMPThreadsClause(OMPThreadsClause *)704 void OMPClausePrinter::VisitOMPThreadsClause(OMPThreadsClause *) {
705 OS << "threads";
706 }
707
VisitOMPSIMDClause(OMPSIMDClause *)708 void OMPClausePrinter::VisitOMPSIMDClause(OMPSIMDClause *) { OS << "simd"; }
709
VisitOMPDeviceClause(OMPDeviceClause * Node)710 void OMPClausePrinter::VisitOMPDeviceClause(OMPDeviceClause *Node) {
711 OS << "device(";
712 Node->getDevice()->printPretty(OS, nullptr, Policy, 0);
713 OS << ")";
714 }
715
VisitOMPNumTeamsClause(OMPNumTeamsClause * Node)716 void OMPClausePrinter::VisitOMPNumTeamsClause(OMPNumTeamsClause *Node) {
717 OS << "num_teams(";
718 Node->getNumTeams()->printPretty(OS, nullptr, Policy, 0);
719 OS << ")";
720 }
721
VisitOMPThreadLimitClause(OMPThreadLimitClause * Node)722 void OMPClausePrinter::VisitOMPThreadLimitClause(OMPThreadLimitClause *Node) {
723 OS << "thread_limit(";
724 Node->getThreadLimit()->printPretty(OS, nullptr, Policy, 0);
725 OS << ")";
726 }
727
VisitOMPPriorityClause(OMPPriorityClause * Node)728 void OMPClausePrinter::VisitOMPPriorityClause(OMPPriorityClause *Node) {
729 OS << "priority(";
730 Node->getPriority()->printPretty(OS, nullptr, Policy, 0);
731 OS << ")";
732 }
733
VisitOMPGrainsizeClause(OMPGrainsizeClause * Node)734 void OMPClausePrinter::VisitOMPGrainsizeClause(OMPGrainsizeClause *Node) {
735 OS << "grainsize(";
736 Node->getGrainsize()->printPretty(OS, nullptr, Policy, 0);
737 OS << ")";
738 }
739
VisitOMPNumTasksClause(OMPNumTasksClause * Node)740 void OMPClausePrinter::VisitOMPNumTasksClause(OMPNumTasksClause *Node) {
741 OS << "num_tasks(";
742 Node->getNumTasks()->printPretty(OS, nullptr, Policy, 0);
743 OS << ")";
744 }
745
VisitOMPHintClause(OMPHintClause * Node)746 void OMPClausePrinter::VisitOMPHintClause(OMPHintClause *Node) {
747 OS << "hint(";
748 Node->getHint()->printPretty(OS, nullptr, Policy, 0);
749 OS << ")";
750 }
751
752 template<typename T>
VisitOMPClauseList(T * Node,char StartSym)753 void OMPClausePrinter::VisitOMPClauseList(T *Node, char StartSym) {
754 for (typename T::varlist_iterator I = Node->varlist_begin(),
755 E = Node->varlist_end();
756 I != E; ++I) {
757 assert(*I && "Expected non-null Stmt");
758 if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(*I)) {
759 OS << (I == Node->varlist_begin() ? StartSym : ',');
760 cast<NamedDecl>(DRE->getDecl())->printQualifiedName(OS);
761 } else {
762 OS << (I == Node->varlist_begin() ? StartSym : ',');
763 (*I)->printPretty(OS, nullptr, Policy, 0);
764 }
765 }
766 }
767
VisitOMPPrivateClause(OMPPrivateClause * Node)768 void OMPClausePrinter::VisitOMPPrivateClause(OMPPrivateClause *Node) {
769 if (!Node->varlist_empty()) {
770 OS << "private";
771 VisitOMPClauseList(Node, '(');
772 OS << ")";
773 }
774 }
775
VisitOMPFirstprivateClause(OMPFirstprivateClause * Node)776 void OMPClausePrinter::VisitOMPFirstprivateClause(OMPFirstprivateClause *Node) {
777 if (!Node->varlist_empty()) {
778 OS << "firstprivate";
779 VisitOMPClauseList(Node, '(');
780 OS << ")";
781 }
782 }
783
VisitOMPLastprivateClause(OMPLastprivateClause * Node)784 void OMPClausePrinter::VisitOMPLastprivateClause(OMPLastprivateClause *Node) {
785 if (!Node->varlist_empty()) {
786 OS << "lastprivate";
787 VisitOMPClauseList(Node, '(');
788 OS << ")";
789 }
790 }
791
VisitOMPSharedClause(OMPSharedClause * Node)792 void OMPClausePrinter::VisitOMPSharedClause(OMPSharedClause *Node) {
793 if (!Node->varlist_empty()) {
794 OS << "shared";
795 VisitOMPClauseList(Node, '(');
796 OS << ")";
797 }
798 }
799
VisitOMPReductionClause(OMPReductionClause * Node)800 void OMPClausePrinter::VisitOMPReductionClause(OMPReductionClause *Node) {
801 if (!Node->varlist_empty()) {
802 OS << "reduction(";
803 NestedNameSpecifier *QualifierLoc =
804 Node->getQualifierLoc().getNestedNameSpecifier();
805 OverloadedOperatorKind OOK =
806 Node->getNameInfo().getName().getCXXOverloadedOperator();
807 if (QualifierLoc == nullptr && OOK != OO_None) {
808 // Print reduction identifier in C format
809 OS << getOperatorSpelling(OOK);
810 } else {
811 // Use C++ format
812 if (QualifierLoc != nullptr)
813 QualifierLoc->print(OS, Policy);
814 OS << Node->getNameInfo();
815 }
816 OS << ":";
817 VisitOMPClauseList(Node, ' ');
818 OS << ")";
819 }
820 }
821
VisitOMPLinearClause(OMPLinearClause * Node)822 void OMPClausePrinter::VisitOMPLinearClause(OMPLinearClause *Node) {
823 if (!Node->varlist_empty()) {
824 OS << "linear";
825 if (Node->getModifierLoc().isValid()) {
826 OS << '('
827 << getOpenMPSimpleClauseTypeName(OMPC_linear, Node->getModifier());
828 }
829 VisitOMPClauseList(Node, '(');
830 if (Node->getModifierLoc().isValid())
831 OS << ')';
832 if (Node->getStep() != nullptr) {
833 OS << ": ";
834 Node->getStep()->printPretty(OS, nullptr, Policy, 0);
835 }
836 OS << ")";
837 }
838 }
839
VisitOMPAlignedClause(OMPAlignedClause * Node)840 void OMPClausePrinter::VisitOMPAlignedClause(OMPAlignedClause *Node) {
841 if (!Node->varlist_empty()) {
842 OS << "aligned";
843 VisitOMPClauseList(Node, '(');
844 if (Node->getAlignment() != nullptr) {
845 OS << ": ";
846 Node->getAlignment()->printPretty(OS, nullptr, Policy, 0);
847 }
848 OS << ")";
849 }
850 }
851
VisitOMPCopyinClause(OMPCopyinClause * Node)852 void OMPClausePrinter::VisitOMPCopyinClause(OMPCopyinClause *Node) {
853 if (!Node->varlist_empty()) {
854 OS << "copyin";
855 VisitOMPClauseList(Node, '(');
856 OS << ")";
857 }
858 }
859
VisitOMPCopyprivateClause(OMPCopyprivateClause * Node)860 void OMPClausePrinter::VisitOMPCopyprivateClause(OMPCopyprivateClause *Node) {
861 if (!Node->varlist_empty()) {
862 OS << "copyprivate";
863 VisitOMPClauseList(Node, '(');
864 OS << ")";
865 }
866 }
867
VisitOMPFlushClause(OMPFlushClause * Node)868 void OMPClausePrinter::VisitOMPFlushClause(OMPFlushClause *Node) {
869 if (!Node->varlist_empty()) {
870 VisitOMPClauseList(Node, '(');
871 OS << ")";
872 }
873 }
874
VisitOMPDependClause(OMPDependClause * Node)875 void OMPClausePrinter::VisitOMPDependClause(OMPDependClause *Node) {
876 OS << "depend(";
877 OS << getOpenMPSimpleClauseTypeName(Node->getClauseKind(),
878 Node->getDependencyKind());
879 if (!Node->varlist_empty()) {
880 OS << " :";
881 VisitOMPClauseList(Node, ' ');
882 }
883 OS << ")";
884 }
885
VisitOMPMapClause(OMPMapClause * Node)886 void OMPClausePrinter::VisitOMPMapClause(OMPMapClause *Node) {
887 if (!Node->varlist_empty()) {
888 OS << "map(";
889 if (Node->getMapType() != OMPC_MAP_unknown) {
890 if (Node->getMapTypeModifier() != OMPC_MAP_unknown) {
891 OS << getOpenMPSimpleClauseTypeName(OMPC_map,
892 Node->getMapTypeModifier());
893 OS << ',';
894 }
895 OS << getOpenMPSimpleClauseTypeName(OMPC_map, Node->getMapType());
896 OS << ':';
897 }
898 VisitOMPClauseList(Node, ' ');
899 OS << ")";
900 }
901 }
902 }
903
904 //===----------------------------------------------------------------------===//
905 // OpenMP directives printing methods
906 //===----------------------------------------------------------------------===//
907
PrintOMPExecutableDirective(OMPExecutableDirective * S)908 void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S) {
909 OMPClausePrinter Printer(OS, Policy);
910 ArrayRef<OMPClause *> Clauses = S->clauses();
911 for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
912 I != E; ++I)
913 if (*I && !(*I)->isImplicit()) {
914 Printer.Visit(*I);
915 OS << ' ';
916 }
917 OS << "\n";
918 if (S->hasAssociatedStmt() && S->getAssociatedStmt()) {
919 assert(isa<CapturedStmt>(S->getAssociatedStmt()) &&
920 "Expected captured statement!");
921 Stmt *CS = cast<CapturedStmt>(S->getAssociatedStmt())->getCapturedStmt();
922 PrintStmt(CS);
923 }
924 }
925
VisitOMPParallelDirective(OMPParallelDirective * Node)926 void StmtPrinter::VisitOMPParallelDirective(OMPParallelDirective *Node) {
927 Indent() << "#pragma omp parallel ";
928 PrintOMPExecutableDirective(Node);
929 }
930
VisitOMPSimdDirective(OMPSimdDirective * Node)931 void StmtPrinter::VisitOMPSimdDirective(OMPSimdDirective *Node) {
932 Indent() << "#pragma omp simd ";
933 PrintOMPExecutableDirective(Node);
934 }
935
VisitOMPForDirective(OMPForDirective * Node)936 void StmtPrinter::VisitOMPForDirective(OMPForDirective *Node) {
937 Indent() << "#pragma omp for ";
938 PrintOMPExecutableDirective(Node);
939 }
940
VisitOMPForSimdDirective(OMPForSimdDirective * Node)941 void StmtPrinter::VisitOMPForSimdDirective(OMPForSimdDirective *Node) {
942 Indent() << "#pragma omp for simd ";
943 PrintOMPExecutableDirective(Node);
944 }
945
VisitOMPSectionsDirective(OMPSectionsDirective * Node)946 void StmtPrinter::VisitOMPSectionsDirective(OMPSectionsDirective *Node) {
947 Indent() << "#pragma omp sections ";
948 PrintOMPExecutableDirective(Node);
949 }
950
VisitOMPSectionDirective(OMPSectionDirective * Node)951 void StmtPrinter::VisitOMPSectionDirective(OMPSectionDirective *Node) {
952 Indent() << "#pragma omp section";
953 PrintOMPExecutableDirective(Node);
954 }
955
VisitOMPSingleDirective(OMPSingleDirective * Node)956 void StmtPrinter::VisitOMPSingleDirective(OMPSingleDirective *Node) {
957 Indent() << "#pragma omp single ";
958 PrintOMPExecutableDirective(Node);
959 }
960
VisitOMPMasterDirective(OMPMasterDirective * Node)961 void StmtPrinter::VisitOMPMasterDirective(OMPMasterDirective *Node) {
962 Indent() << "#pragma omp master";
963 PrintOMPExecutableDirective(Node);
964 }
965
VisitOMPCriticalDirective(OMPCriticalDirective * Node)966 void StmtPrinter::VisitOMPCriticalDirective(OMPCriticalDirective *Node) {
967 Indent() << "#pragma omp critical";
968 if (Node->getDirectiveName().getName()) {
969 OS << " (";
970 Node->getDirectiveName().printName(OS);
971 OS << ")";
972 }
973 OS << " ";
974 PrintOMPExecutableDirective(Node);
975 }
976
VisitOMPParallelForDirective(OMPParallelForDirective * Node)977 void StmtPrinter::VisitOMPParallelForDirective(OMPParallelForDirective *Node) {
978 Indent() << "#pragma omp parallel for ";
979 PrintOMPExecutableDirective(Node);
980 }
981
VisitOMPParallelForSimdDirective(OMPParallelForSimdDirective * Node)982 void StmtPrinter::VisitOMPParallelForSimdDirective(
983 OMPParallelForSimdDirective *Node) {
984 Indent() << "#pragma omp parallel for simd ";
985 PrintOMPExecutableDirective(Node);
986 }
987
VisitOMPParallelSectionsDirective(OMPParallelSectionsDirective * Node)988 void StmtPrinter::VisitOMPParallelSectionsDirective(
989 OMPParallelSectionsDirective *Node) {
990 Indent() << "#pragma omp parallel sections ";
991 PrintOMPExecutableDirective(Node);
992 }
993
VisitOMPTaskDirective(OMPTaskDirective * Node)994 void StmtPrinter::VisitOMPTaskDirective(OMPTaskDirective *Node) {
995 Indent() << "#pragma omp task ";
996 PrintOMPExecutableDirective(Node);
997 }
998
VisitOMPTaskyieldDirective(OMPTaskyieldDirective * Node)999 void StmtPrinter::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *Node) {
1000 Indent() << "#pragma omp taskyield";
1001 PrintOMPExecutableDirective(Node);
1002 }
1003
VisitOMPBarrierDirective(OMPBarrierDirective * Node)1004 void StmtPrinter::VisitOMPBarrierDirective(OMPBarrierDirective *Node) {
1005 Indent() << "#pragma omp barrier";
1006 PrintOMPExecutableDirective(Node);
1007 }
1008
VisitOMPTaskwaitDirective(OMPTaskwaitDirective * Node)1009 void StmtPrinter::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *Node) {
1010 Indent() << "#pragma omp taskwait";
1011 PrintOMPExecutableDirective(Node);
1012 }
1013
VisitOMPTaskgroupDirective(OMPTaskgroupDirective * Node)1014 void StmtPrinter::VisitOMPTaskgroupDirective(OMPTaskgroupDirective *Node) {
1015 Indent() << "#pragma omp taskgroup";
1016 PrintOMPExecutableDirective(Node);
1017 }
1018
VisitOMPFlushDirective(OMPFlushDirective * Node)1019 void StmtPrinter::VisitOMPFlushDirective(OMPFlushDirective *Node) {
1020 Indent() << "#pragma omp flush ";
1021 PrintOMPExecutableDirective(Node);
1022 }
1023
VisitOMPOrderedDirective(OMPOrderedDirective * Node)1024 void StmtPrinter::VisitOMPOrderedDirective(OMPOrderedDirective *Node) {
1025 Indent() << "#pragma omp ordered ";
1026 PrintOMPExecutableDirective(Node);
1027 }
1028
VisitOMPAtomicDirective(OMPAtomicDirective * Node)1029 void StmtPrinter::VisitOMPAtomicDirective(OMPAtomicDirective *Node) {
1030 Indent() << "#pragma omp atomic ";
1031 PrintOMPExecutableDirective(Node);
1032 }
1033
VisitOMPTargetDirective(OMPTargetDirective * Node)1034 void StmtPrinter::VisitOMPTargetDirective(OMPTargetDirective *Node) {
1035 Indent() << "#pragma omp target ";
1036 PrintOMPExecutableDirective(Node);
1037 }
1038
VisitOMPTargetDataDirective(OMPTargetDataDirective * Node)1039 void StmtPrinter::VisitOMPTargetDataDirective(OMPTargetDataDirective *Node) {
1040 Indent() << "#pragma omp target data ";
1041 PrintOMPExecutableDirective(Node);
1042 }
1043
VisitOMPTeamsDirective(OMPTeamsDirective * Node)1044 void StmtPrinter::VisitOMPTeamsDirective(OMPTeamsDirective *Node) {
1045 Indent() << "#pragma omp teams ";
1046 PrintOMPExecutableDirective(Node);
1047 }
1048
VisitOMPCancellationPointDirective(OMPCancellationPointDirective * Node)1049 void StmtPrinter::VisitOMPCancellationPointDirective(
1050 OMPCancellationPointDirective *Node) {
1051 Indent() << "#pragma omp cancellation point "
1052 << getOpenMPDirectiveName(Node->getCancelRegion());
1053 PrintOMPExecutableDirective(Node);
1054 }
1055
VisitOMPCancelDirective(OMPCancelDirective * Node)1056 void StmtPrinter::VisitOMPCancelDirective(OMPCancelDirective *Node) {
1057 Indent() << "#pragma omp cancel "
1058 << getOpenMPDirectiveName(Node->getCancelRegion()) << " ";
1059 PrintOMPExecutableDirective(Node);
1060 }
1061
VisitOMPTaskLoopDirective(OMPTaskLoopDirective * Node)1062 void StmtPrinter::VisitOMPTaskLoopDirective(OMPTaskLoopDirective *Node) {
1063 Indent() << "#pragma omp taskloop ";
1064 PrintOMPExecutableDirective(Node);
1065 }
1066
VisitOMPTaskLoopSimdDirective(OMPTaskLoopSimdDirective * Node)1067 void StmtPrinter::VisitOMPTaskLoopSimdDirective(
1068 OMPTaskLoopSimdDirective *Node) {
1069 Indent() << "#pragma omp taskloop simd ";
1070 PrintOMPExecutableDirective(Node);
1071 }
1072
VisitOMPDistributeDirective(OMPDistributeDirective * Node)1073 void StmtPrinter::VisitOMPDistributeDirective(OMPDistributeDirective *Node) {
1074 Indent() << "#pragma omp distribute ";
1075 PrintOMPExecutableDirective(Node);
1076 }
1077
1078 //===----------------------------------------------------------------------===//
1079 // Expr printing methods.
1080 //===----------------------------------------------------------------------===//
1081
VisitDeclRefExpr(DeclRefExpr * Node)1082 void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
1083 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1084 Qualifier->print(OS, Policy);
1085 if (Node->hasTemplateKeyword())
1086 OS << "template ";
1087 OS << Node->getNameInfo();
1088 if (Node->hasExplicitTemplateArgs())
1089 TemplateSpecializationType::PrintTemplateArgumentList(
1090 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1091 }
1092
VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr * Node)1093 void StmtPrinter::VisitDependentScopeDeclRefExpr(
1094 DependentScopeDeclRefExpr *Node) {
1095 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1096 Qualifier->print(OS, Policy);
1097 if (Node->hasTemplateKeyword())
1098 OS << "template ";
1099 OS << Node->getNameInfo();
1100 if (Node->hasExplicitTemplateArgs())
1101 TemplateSpecializationType::PrintTemplateArgumentList(
1102 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1103 }
1104
VisitUnresolvedLookupExpr(UnresolvedLookupExpr * Node)1105 void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
1106 if (Node->getQualifier())
1107 Node->getQualifier()->print(OS, Policy);
1108 if (Node->hasTemplateKeyword())
1109 OS << "template ";
1110 OS << Node->getNameInfo();
1111 if (Node->hasExplicitTemplateArgs())
1112 TemplateSpecializationType::PrintTemplateArgumentList(
1113 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1114 }
1115
VisitObjCIvarRefExpr(ObjCIvarRefExpr * Node)1116 void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
1117 if (Node->getBase()) {
1118 PrintExpr(Node->getBase());
1119 OS << (Node->isArrow() ? "->" : ".");
1120 }
1121 OS << *Node->getDecl();
1122 }
1123
VisitObjCPropertyRefExpr(ObjCPropertyRefExpr * Node)1124 void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
1125 if (Node->isSuperReceiver())
1126 OS << "super.";
1127 else if (Node->isObjectReceiver() && Node->getBase()) {
1128 PrintExpr(Node->getBase());
1129 OS << ".";
1130 } else if (Node->isClassReceiver() && Node->getClassReceiver()) {
1131 OS << Node->getClassReceiver()->getName() << ".";
1132 }
1133
1134 if (Node->isImplicitProperty())
1135 Node->getImplicitPropertyGetter()->getSelector().print(OS);
1136 else
1137 OS << Node->getExplicitProperty()->getName();
1138 }
1139
VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr * Node)1140 void StmtPrinter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *Node) {
1141
1142 PrintExpr(Node->getBaseExpr());
1143 OS << "[";
1144 PrintExpr(Node->getKeyExpr());
1145 OS << "]";
1146 }
1147
VisitPredefinedExpr(PredefinedExpr * Node)1148 void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
1149 OS << PredefinedExpr::getIdentTypeName(Node->getIdentType());
1150 }
1151
VisitCharacterLiteral(CharacterLiteral * Node)1152 void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
1153 unsigned value = Node->getValue();
1154
1155 switch (Node->getKind()) {
1156 case CharacterLiteral::Ascii: break; // no prefix.
1157 case CharacterLiteral::Wide: OS << 'L'; break;
1158 case CharacterLiteral::UTF16: OS << 'u'; break;
1159 case CharacterLiteral::UTF32: OS << 'U'; break;
1160 }
1161
1162 switch (value) {
1163 case '\\':
1164 OS << "'\\\\'";
1165 break;
1166 case '\'':
1167 OS << "'\\''";
1168 break;
1169 case '\a':
1170 // TODO: K&R: the meaning of '\\a' is different in traditional C
1171 OS << "'\\a'";
1172 break;
1173 case '\b':
1174 OS << "'\\b'";
1175 break;
1176 // Nonstandard escape sequence.
1177 /*case '\e':
1178 OS << "'\\e'";
1179 break;*/
1180 case '\f':
1181 OS << "'\\f'";
1182 break;
1183 case '\n':
1184 OS << "'\\n'";
1185 break;
1186 case '\r':
1187 OS << "'\\r'";
1188 break;
1189 case '\t':
1190 OS << "'\\t'";
1191 break;
1192 case '\v':
1193 OS << "'\\v'";
1194 break;
1195 default:
1196 if (value < 256 && isPrintable((unsigned char)value))
1197 OS << "'" << (char)value << "'";
1198 else if (value < 256)
1199 OS << "'\\x" << llvm::format("%02x", value) << "'";
1200 else if (value <= 0xFFFF)
1201 OS << "'\\u" << llvm::format("%04x", value) << "'";
1202 else
1203 OS << "'\\U" << llvm::format("%08x", value) << "'";
1204 }
1205 }
1206
VisitIntegerLiteral(IntegerLiteral * Node)1207 void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
1208 bool isSigned = Node->getType()->isSignedIntegerType();
1209 OS << Node->getValue().toString(10, isSigned);
1210
1211 // Emit suffixes. Integer literals are always a builtin integer type.
1212 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
1213 default: llvm_unreachable("Unexpected type for integer literal!");
1214 case BuiltinType::Char_S:
1215 case BuiltinType::Char_U: OS << "i8"; break;
1216 case BuiltinType::UChar: OS << "Ui8"; break;
1217 case BuiltinType::Short: OS << "i16"; break;
1218 case BuiltinType::UShort: OS << "Ui16"; break;
1219 case BuiltinType::Int: break; // no suffix.
1220 case BuiltinType::UInt: OS << 'U'; break;
1221 case BuiltinType::Long: OS << 'L'; break;
1222 case BuiltinType::ULong: OS << "UL"; break;
1223 case BuiltinType::LongLong: OS << "LL"; break;
1224 case BuiltinType::ULongLong: OS << "ULL"; break;
1225 }
1226 }
1227
PrintFloatingLiteral(raw_ostream & OS,FloatingLiteral * Node,bool PrintSuffix)1228 static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
1229 bool PrintSuffix) {
1230 SmallString<16> Str;
1231 Node->getValue().toString(Str);
1232 OS << Str;
1233 if (Str.find_first_not_of("-0123456789") == StringRef::npos)
1234 OS << '.'; // Trailing dot in order to separate from ints.
1235
1236 if (!PrintSuffix)
1237 return;
1238
1239 // Emit suffixes. Float literals are always a builtin float type.
1240 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
1241 default: llvm_unreachable("Unexpected type for float literal!");
1242 case BuiltinType::Half: break; // FIXME: suffix?
1243 case BuiltinType::Double: break; // no suffix.
1244 case BuiltinType::Float: OS << 'F'; break;
1245 case BuiltinType::LongDouble: OS << 'L'; break;
1246 }
1247 }
1248
VisitFloatingLiteral(FloatingLiteral * Node)1249 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
1250 PrintFloatingLiteral(OS, Node, /*PrintSuffix=*/true);
1251 }
1252
VisitImaginaryLiteral(ImaginaryLiteral * Node)1253 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
1254 PrintExpr(Node->getSubExpr());
1255 OS << "i";
1256 }
1257
VisitStringLiteral(StringLiteral * Str)1258 void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
1259 Str->outputString(OS);
1260 }
VisitParenExpr(ParenExpr * Node)1261 void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
1262 OS << "(";
1263 PrintExpr(Node->getSubExpr());
1264 OS << ")";
1265 }
VisitUnaryOperator(UnaryOperator * Node)1266 void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
1267 if (!Node->isPostfix()) {
1268 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
1269
1270 // Print a space if this is an "identifier operator" like __real, or if
1271 // it might be concatenated incorrectly like '+'.
1272 switch (Node->getOpcode()) {
1273 default: break;
1274 case UO_Real:
1275 case UO_Imag:
1276 case UO_Extension:
1277 OS << ' ';
1278 break;
1279 case UO_Plus:
1280 case UO_Minus:
1281 if (isa<UnaryOperator>(Node->getSubExpr()))
1282 OS << ' ';
1283 break;
1284 }
1285 }
1286 PrintExpr(Node->getSubExpr());
1287
1288 if (Node->isPostfix())
1289 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
1290 }
1291
VisitOffsetOfExpr(OffsetOfExpr * Node)1292 void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
1293 OS << "__builtin_offsetof(";
1294 Node->getTypeSourceInfo()->getType().print(OS, Policy);
1295 OS << ", ";
1296 bool PrintedSomething = false;
1297 for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
1298 OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i);
1299 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) {
1300 // Array node
1301 OS << "[";
1302 PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
1303 OS << "]";
1304 PrintedSomething = true;
1305 continue;
1306 }
1307
1308 // Skip implicit base indirections.
1309 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base)
1310 continue;
1311
1312 // Field or identifier node.
1313 IdentifierInfo *Id = ON.getFieldName();
1314 if (!Id)
1315 continue;
1316
1317 if (PrintedSomething)
1318 OS << ".";
1319 else
1320 PrintedSomething = true;
1321 OS << Id->getName();
1322 }
1323 OS << ")";
1324 }
1325
VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr * Node)1326 void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *Node){
1327 switch(Node->getKind()) {
1328 case UETT_SizeOf:
1329 OS << "sizeof";
1330 break;
1331 case UETT_AlignOf:
1332 if (Policy.LangOpts.CPlusPlus)
1333 OS << "alignof";
1334 else if (Policy.LangOpts.C11)
1335 OS << "_Alignof";
1336 else
1337 OS << "__alignof";
1338 break;
1339 case UETT_VecStep:
1340 OS << "vec_step";
1341 break;
1342 case UETT_OpenMPRequiredSimdAlign:
1343 OS << "__builtin_omp_required_simd_align";
1344 break;
1345 }
1346 if (Node->isArgumentType()) {
1347 OS << '(';
1348 Node->getArgumentType().print(OS, Policy);
1349 OS << ')';
1350 } else {
1351 OS << " ";
1352 PrintExpr(Node->getArgumentExpr());
1353 }
1354 }
1355
VisitGenericSelectionExpr(GenericSelectionExpr * Node)1356 void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
1357 OS << "_Generic(";
1358 PrintExpr(Node->getControllingExpr());
1359 for (unsigned i = 0; i != Node->getNumAssocs(); ++i) {
1360 OS << ", ";
1361 QualType T = Node->getAssocType(i);
1362 if (T.isNull())
1363 OS << "default";
1364 else
1365 T.print(OS, Policy);
1366 OS << ": ";
1367 PrintExpr(Node->getAssocExpr(i));
1368 }
1369 OS << ")";
1370 }
1371
VisitArraySubscriptExpr(ArraySubscriptExpr * Node)1372 void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
1373 PrintExpr(Node->getLHS());
1374 OS << "[";
1375 PrintExpr(Node->getRHS());
1376 OS << "]";
1377 }
1378
VisitOMPArraySectionExpr(OMPArraySectionExpr * Node)1379 void StmtPrinter::VisitOMPArraySectionExpr(OMPArraySectionExpr *Node) {
1380 PrintExpr(Node->getBase());
1381 OS << "[";
1382 if (Node->getLowerBound())
1383 PrintExpr(Node->getLowerBound());
1384 if (Node->getColonLoc().isValid()) {
1385 OS << ":";
1386 if (Node->getLength())
1387 PrintExpr(Node->getLength());
1388 }
1389 OS << "]";
1390 }
1391
PrintCallArgs(CallExpr * Call)1392 void StmtPrinter::PrintCallArgs(CallExpr *Call) {
1393 for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
1394 if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
1395 // Don't print any defaulted arguments
1396 break;
1397 }
1398
1399 if (i) OS << ", ";
1400 PrintExpr(Call->getArg(i));
1401 }
1402 }
1403
VisitCallExpr(CallExpr * Call)1404 void StmtPrinter::VisitCallExpr(CallExpr *Call) {
1405 PrintExpr(Call->getCallee());
1406 OS << "(";
1407 PrintCallArgs(Call);
1408 OS << ")";
1409 }
VisitMemberExpr(MemberExpr * Node)1410 void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
1411 // FIXME: Suppress printing implicit bases (like "this")
1412 PrintExpr(Node->getBase());
1413
1414 MemberExpr *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
1415 FieldDecl *ParentDecl = ParentMember
1416 ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl()) : nullptr;
1417
1418 if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
1419 OS << (Node->isArrow() ? "->" : ".");
1420
1421 if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
1422 if (FD->isAnonymousStructOrUnion())
1423 return;
1424
1425 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1426 Qualifier->print(OS, Policy);
1427 if (Node->hasTemplateKeyword())
1428 OS << "template ";
1429 OS << Node->getMemberNameInfo();
1430 if (Node->hasExplicitTemplateArgs())
1431 TemplateSpecializationType::PrintTemplateArgumentList(
1432 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1433 }
VisitObjCIsaExpr(ObjCIsaExpr * Node)1434 void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
1435 PrintExpr(Node->getBase());
1436 OS << (Node->isArrow() ? "->isa" : ".isa");
1437 }
1438
VisitExtVectorElementExpr(ExtVectorElementExpr * Node)1439 void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
1440 PrintExpr(Node->getBase());
1441 OS << ".";
1442 OS << Node->getAccessor().getName();
1443 }
VisitCStyleCastExpr(CStyleCastExpr * Node)1444 void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
1445 OS << '(';
1446 Node->getTypeAsWritten().print(OS, Policy);
1447 OS << ')';
1448 PrintExpr(Node->getSubExpr());
1449 }
VisitCompoundLiteralExpr(CompoundLiteralExpr * Node)1450 void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
1451 OS << '(';
1452 Node->getType().print(OS, Policy);
1453 OS << ')';
1454 PrintExpr(Node->getInitializer());
1455 }
VisitImplicitCastExpr(ImplicitCastExpr * Node)1456 void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
1457 // No need to print anything, simply forward to the subexpression.
1458 PrintExpr(Node->getSubExpr());
1459 }
VisitBinaryOperator(BinaryOperator * Node)1460 void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
1461 PrintExpr(Node->getLHS());
1462 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
1463 PrintExpr(Node->getRHS());
1464 }
VisitCompoundAssignOperator(CompoundAssignOperator * Node)1465 void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
1466 PrintExpr(Node->getLHS());
1467 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
1468 PrintExpr(Node->getRHS());
1469 }
VisitConditionalOperator(ConditionalOperator * Node)1470 void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
1471 PrintExpr(Node->getCond());
1472 OS << " ? ";
1473 PrintExpr(Node->getLHS());
1474 OS << " : ";
1475 PrintExpr(Node->getRHS());
1476 }
1477
1478 // GNU extensions.
1479
1480 void
VisitBinaryConditionalOperator(BinaryConditionalOperator * Node)1481 StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
1482 PrintExpr(Node->getCommon());
1483 OS << " ?: ";
1484 PrintExpr(Node->getFalseExpr());
1485 }
VisitAddrLabelExpr(AddrLabelExpr * Node)1486 void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
1487 OS << "&&" << Node->getLabel()->getName();
1488 }
1489
VisitStmtExpr(StmtExpr * E)1490 void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
1491 OS << "(";
1492 PrintRawCompoundStmt(E->getSubStmt());
1493 OS << ")";
1494 }
1495
VisitChooseExpr(ChooseExpr * Node)1496 void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
1497 OS << "__builtin_choose_expr(";
1498 PrintExpr(Node->getCond());
1499 OS << ", ";
1500 PrintExpr(Node->getLHS());
1501 OS << ", ";
1502 PrintExpr(Node->getRHS());
1503 OS << ")";
1504 }
1505
VisitGNUNullExpr(GNUNullExpr *)1506 void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
1507 OS << "__null";
1508 }
1509
VisitShuffleVectorExpr(ShuffleVectorExpr * Node)1510 void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
1511 OS << "__builtin_shufflevector(";
1512 for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
1513 if (i) OS << ", ";
1514 PrintExpr(Node->getExpr(i));
1515 }
1516 OS << ")";
1517 }
1518
VisitConvertVectorExpr(ConvertVectorExpr * Node)1519 void StmtPrinter::VisitConvertVectorExpr(ConvertVectorExpr *Node) {
1520 OS << "__builtin_convertvector(";
1521 PrintExpr(Node->getSrcExpr());
1522 OS << ", ";
1523 Node->getType().print(OS, Policy);
1524 OS << ")";
1525 }
1526
VisitInitListExpr(InitListExpr * Node)1527 void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
1528 if (Node->getSyntacticForm()) {
1529 Visit(Node->getSyntacticForm());
1530 return;
1531 }
1532
1533 OS << "{";
1534 for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
1535 if (i) OS << ", ";
1536 if (Node->getInit(i))
1537 PrintExpr(Node->getInit(i));
1538 else
1539 OS << "{}";
1540 }
1541 OS << "}";
1542 }
1543
VisitParenListExpr(ParenListExpr * Node)1544 void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
1545 OS << "(";
1546 for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
1547 if (i) OS << ", ";
1548 PrintExpr(Node->getExpr(i));
1549 }
1550 OS << ")";
1551 }
1552
VisitDesignatedInitExpr(DesignatedInitExpr * Node)1553 void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
1554 bool NeedsEquals = true;
1555 for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
1556 DEnd = Node->designators_end();
1557 D != DEnd; ++D) {
1558 if (D->isFieldDesignator()) {
1559 if (D->getDotLoc().isInvalid()) {
1560 if (IdentifierInfo *II = D->getFieldName()) {
1561 OS << II->getName() << ":";
1562 NeedsEquals = false;
1563 }
1564 } else {
1565 OS << "." << D->getFieldName()->getName();
1566 }
1567 } else {
1568 OS << "[";
1569 if (D->isArrayDesignator()) {
1570 PrintExpr(Node->getArrayIndex(*D));
1571 } else {
1572 PrintExpr(Node->getArrayRangeStart(*D));
1573 OS << " ... ";
1574 PrintExpr(Node->getArrayRangeEnd(*D));
1575 }
1576 OS << "]";
1577 }
1578 }
1579
1580 if (NeedsEquals)
1581 OS << " = ";
1582 else
1583 OS << " ";
1584 PrintExpr(Node->getInit());
1585 }
1586
VisitDesignatedInitUpdateExpr(DesignatedInitUpdateExpr * Node)1587 void StmtPrinter::VisitDesignatedInitUpdateExpr(
1588 DesignatedInitUpdateExpr *Node) {
1589 OS << "{";
1590 OS << "/*base*/";
1591 PrintExpr(Node->getBase());
1592 OS << ", ";
1593
1594 OS << "/*updater*/";
1595 PrintExpr(Node->getUpdater());
1596 OS << "}";
1597 }
1598
VisitNoInitExpr(NoInitExpr * Node)1599 void StmtPrinter::VisitNoInitExpr(NoInitExpr *Node) {
1600 OS << "/*no init*/";
1601 }
1602
VisitImplicitValueInitExpr(ImplicitValueInitExpr * Node)1603 void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
1604 if (Policy.LangOpts.CPlusPlus) {
1605 OS << "/*implicit*/";
1606 Node->getType().print(OS, Policy);
1607 OS << "()";
1608 } else {
1609 OS << "/*implicit*/(";
1610 Node->getType().print(OS, Policy);
1611 OS << ')';
1612 if (Node->getType()->isRecordType())
1613 OS << "{}";
1614 else
1615 OS << 0;
1616 }
1617 }
1618
VisitVAArgExpr(VAArgExpr * Node)1619 void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
1620 OS << "__builtin_va_arg(";
1621 PrintExpr(Node->getSubExpr());
1622 OS << ", ";
1623 Node->getType().print(OS, Policy);
1624 OS << ")";
1625 }
1626
VisitPseudoObjectExpr(PseudoObjectExpr * Node)1627 void StmtPrinter::VisitPseudoObjectExpr(PseudoObjectExpr *Node) {
1628 PrintExpr(Node->getSyntacticForm());
1629 }
1630
VisitAtomicExpr(AtomicExpr * Node)1631 void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
1632 const char *Name = nullptr;
1633 switch (Node->getOp()) {
1634 #define BUILTIN(ID, TYPE, ATTRS)
1635 #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \
1636 case AtomicExpr::AO ## ID: \
1637 Name = #ID "("; \
1638 break;
1639 #include "clang/Basic/Builtins.def"
1640 }
1641 OS << Name;
1642
1643 // AtomicExpr stores its subexpressions in a permuted order.
1644 PrintExpr(Node->getPtr());
1645 if (Node->getOp() != AtomicExpr::AO__c11_atomic_load &&
1646 Node->getOp() != AtomicExpr::AO__atomic_load_n) {
1647 OS << ", ";
1648 PrintExpr(Node->getVal1());
1649 }
1650 if (Node->getOp() == AtomicExpr::AO__atomic_exchange ||
1651 Node->isCmpXChg()) {
1652 OS << ", ";
1653 PrintExpr(Node->getVal2());
1654 }
1655 if (Node->getOp() == AtomicExpr::AO__atomic_compare_exchange ||
1656 Node->getOp() == AtomicExpr::AO__atomic_compare_exchange_n) {
1657 OS << ", ";
1658 PrintExpr(Node->getWeak());
1659 }
1660 if (Node->getOp() != AtomicExpr::AO__c11_atomic_init) {
1661 OS << ", ";
1662 PrintExpr(Node->getOrder());
1663 }
1664 if (Node->isCmpXChg()) {
1665 OS << ", ";
1666 PrintExpr(Node->getOrderFail());
1667 }
1668 OS << ")";
1669 }
1670
1671 // C++
VisitCXXOperatorCallExpr(CXXOperatorCallExpr * Node)1672 void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
1673 const char *OpStrings[NUM_OVERLOADED_OPERATORS] = {
1674 "",
1675 #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
1676 Spelling,
1677 #include "clang/Basic/OperatorKinds.def"
1678 };
1679
1680 OverloadedOperatorKind Kind = Node->getOperator();
1681 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
1682 if (Node->getNumArgs() == 1) {
1683 OS << OpStrings[Kind] << ' ';
1684 PrintExpr(Node->getArg(0));
1685 } else {
1686 PrintExpr(Node->getArg(0));
1687 OS << ' ' << OpStrings[Kind];
1688 }
1689 } else if (Kind == OO_Arrow) {
1690 PrintExpr(Node->getArg(0));
1691 } else if (Kind == OO_Call) {
1692 PrintExpr(Node->getArg(0));
1693 OS << '(';
1694 for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
1695 if (ArgIdx > 1)
1696 OS << ", ";
1697 if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
1698 PrintExpr(Node->getArg(ArgIdx));
1699 }
1700 OS << ')';
1701 } else if (Kind == OO_Subscript) {
1702 PrintExpr(Node->getArg(0));
1703 OS << '[';
1704 PrintExpr(Node->getArg(1));
1705 OS << ']';
1706 } else if (Node->getNumArgs() == 1) {
1707 OS << OpStrings[Kind] << ' ';
1708 PrintExpr(Node->getArg(0));
1709 } else if (Node->getNumArgs() == 2) {
1710 PrintExpr(Node->getArg(0));
1711 OS << ' ' << OpStrings[Kind] << ' ';
1712 PrintExpr(Node->getArg(1));
1713 } else {
1714 llvm_unreachable("unknown overloaded operator");
1715 }
1716 }
1717
VisitCXXMemberCallExpr(CXXMemberCallExpr * Node)1718 void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
1719 // If we have a conversion operator call only print the argument.
1720 CXXMethodDecl *MD = Node->getMethodDecl();
1721 if (MD && isa<CXXConversionDecl>(MD)) {
1722 PrintExpr(Node->getImplicitObjectArgument());
1723 return;
1724 }
1725 VisitCallExpr(cast<CallExpr>(Node));
1726 }
1727
VisitCUDAKernelCallExpr(CUDAKernelCallExpr * Node)1728 void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
1729 PrintExpr(Node->getCallee());
1730 OS << "<<<";
1731 PrintCallArgs(Node->getConfig());
1732 OS << ">>>(";
1733 PrintCallArgs(Node);
1734 OS << ")";
1735 }
1736
VisitCXXNamedCastExpr(CXXNamedCastExpr * Node)1737 void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
1738 OS << Node->getCastName() << '<';
1739 Node->getTypeAsWritten().print(OS, Policy);
1740 OS << ">(";
1741 PrintExpr(Node->getSubExpr());
1742 OS << ")";
1743 }
1744
VisitCXXStaticCastExpr(CXXStaticCastExpr * Node)1745 void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
1746 VisitCXXNamedCastExpr(Node);
1747 }
1748
VisitCXXDynamicCastExpr(CXXDynamicCastExpr * Node)1749 void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
1750 VisitCXXNamedCastExpr(Node);
1751 }
1752
VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr * Node)1753 void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
1754 VisitCXXNamedCastExpr(Node);
1755 }
1756
VisitCXXConstCastExpr(CXXConstCastExpr * Node)1757 void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
1758 VisitCXXNamedCastExpr(Node);
1759 }
1760
VisitCXXTypeidExpr(CXXTypeidExpr * Node)1761 void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
1762 OS << "typeid(";
1763 if (Node->isTypeOperand()) {
1764 Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
1765 } else {
1766 PrintExpr(Node->getExprOperand());
1767 }
1768 OS << ")";
1769 }
1770
VisitCXXUuidofExpr(CXXUuidofExpr * Node)1771 void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
1772 OS << "__uuidof(";
1773 if (Node->isTypeOperand()) {
1774 Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
1775 } else {
1776 PrintExpr(Node->getExprOperand());
1777 }
1778 OS << ")";
1779 }
1780
VisitMSPropertyRefExpr(MSPropertyRefExpr * Node)1781 void StmtPrinter::VisitMSPropertyRefExpr(MSPropertyRefExpr *Node) {
1782 PrintExpr(Node->getBaseExpr());
1783 if (Node->isArrow())
1784 OS << "->";
1785 else
1786 OS << ".";
1787 if (NestedNameSpecifier *Qualifier =
1788 Node->getQualifierLoc().getNestedNameSpecifier())
1789 Qualifier->print(OS, Policy);
1790 OS << Node->getPropertyDecl()->getDeclName();
1791 }
1792
VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr * Node)1793 void StmtPrinter::VisitMSPropertySubscriptExpr(MSPropertySubscriptExpr *Node) {
1794 PrintExpr(Node->getBase());
1795 OS << "[";
1796 PrintExpr(Node->getIdx());
1797 OS << "]";
1798 }
1799
VisitUserDefinedLiteral(UserDefinedLiteral * Node)1800 void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
1801 switch (Node->getLiteralOperatorKind()) {
1802 case UserDefinedLiteral::LOK_Raw:
1803 OS << cast<StringLiteral>(Node->getArg(0)->IgnoreImpCasts())->getString();
1804 break;
1805 case UserDefinedLiteral::LOK_Template: {
1806 DeclRefExpr *DRE = cast<DeclRefExpr>(Node->getCallee()->IgnoreImpCasts());
1807 const TemplateArgumentList *Args =
1808 cast<FunctionDecl>(DRE->getDecl())->getTemplateSpecializationArgs();
1809 assert(Args);
1810
1811 if (Args->size() != 1) {
1812 OS << "operator\"\"" << Node->getUDSuffix()->getName();
1813 TemplateSpecializationType::PrintTemplateArgumentList(
1814 OS, Args->data(), Args->size(), Policy);
1815 OS << "()";
1816 return;
1817 }
1818
1819 const TemplateArgument &Pack = Args->get(0);
1820 for (const auto &P : Pack.pack_elements()) {
1821 char C = (char)P.getAsIntegral().getZExtValue();
1822 OS << C;
1823 }
1824 break;
1825 }
1826 case UserDefinedLiteral::LOK_Integer: {
1827 // Print integer literal without suffix.
1828 IntegerLiteral *Int = cast<IntegerLiteral>(Node->getCookedLiteral());
1829 OS << Int->getValue().toString(10, /*isSigned*/false);
1830 break;
1831 }
1832 case UserDefinedLiteral::LOK_Floating: {
1833 // Print floating literal without suffix.
1834 FloatingLiteral *Float = cast<FloatingLiteral>(Node->getCookedLiteral());
1835 PrintFloatingLiteral(OS, Float, /*PrintSuffix=*/false);
1836 break;
1837 }
1838 case UserDefinedLiteral::LOK_String:
1839 case UserDefinedLiteral::LOK_Character:
1840 PrintExpr(Node->getCookedLiteral());
1841 break;
1842 }
1843 OS << Node->getUDSuffix()->getName();
1844 }
1845
VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr * Node)1846 void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
1847 OS << (Node->getValue() ? "true" : "false");
1848 }
1849
VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr * Node)1850 void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
1851 OS << "nullptr";
1852 }
1853
VisitCXXThisExpr(CXXThisExpr * Node)1854 void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
1855 OS << "this";
1856 }
1857
VisitCXXThrowExpr(CXXThrowExpr * Node)1858 void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
1859 if (!Node->getSubExpr())
1860 OS << "throw";
1861 else {
1862 OS << "throw ";
1863 PrintExpr(Node->getSubExpr());
1864 }
1865 }
1866
VisitCXXDefaultArgExpr(CXXDefaultArgExpr * Node)1867 void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
1868 // Nothing to print: we picked up the default argument.
1869 }
1870
VisitCXXDefaultInitExpr(CXXDefaultInitExpr * Node)1871 void StmtPrinter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Node) {
1872 // Nothing to print: we picked up the default initializer.
1873 }
1874
VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr * Node)1875 void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
1876 Node->getType().print(OS, Policy);
1877 // If there are no parens, this is list-initialization, and the braces are
1878 // part of the syntax of the inner construct.
1879 if (Node->getLParenLoc().isValid())
1880 OS << "(";
1881 PrintExpr(Node->getSubExpr());
1882 if (Node->getLParenLoc().isValid())
1883 OS << ")";
1884 }
1885
VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr * Node)1886 void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
1887 PrintExpr(Node->getSubExpr());
1888 }
1889
VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr * Node)1890 void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
1891 Node->getType().print(OS, Policy);
1892 if (Node->isStdInitListInitialization())
1893 /* Nothing to do; braces are part of creating the std::initializer_list. */;
1894 else if (Node->isListInitialization())
1895 OS << "{";
1896 else
1897 OS << "(";
1898 for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
1899 ArgEnd = Node->arg_end();
1900 Arg != ArgEnd; ++Arg) {
1901 if ((*Arg)->isDefaultArgument())
1902 break;
1903 if (Arg != Node->arg_begin())
1904 OS << ", ";
1905 PrintExpr(*Arg);
1906 }
1907 if (Node->isStdInitListInitialization())
1908 /* See above. */;
1909 else if (Node->isListInitialization())
1910 OS << "}";
1911 else
1912 OS << ")";
1913 }
1914
VisitLambdaExpr(LambdaExpr * Node)1915 void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
1916 OS << '[';
1917 bool NeedComma = false;
1918 switch (Node->getCaptureDefault()) {
1919 case LCD_None:
1920 break;
1921
1922 case LCD_ByCopy:
1923 OS << '=';
1924 NeedComma = true;
1925 break;
1926
1927 case LCD_ByRef:
1928 OS << '&';
1929 NeedComma = true;
1930 break;
1931 }
1932 for (LambdaExpr::capture_iterator C = Node->explicit_capture_begin(),
1933 CEnd = Node->explicit_capture_end();
1934 C != CEnd;
1935 ++C) {
1936 if (NeedComma)
1937 OS << ", ";
1938 NeedComma = true;
1939
1940 switch (C->getCaptureKind()) {
1941 case LCK_This:
1942 OS << "this";
1943 break;
1944
1945 case LCK_ByRef:
1946 if (Node->getCaptureDefault() != LCD_ByRef || Node->isInitCapture(C))
1947 OS << '&';
1948 OS << C->getCapturedVar()->getName();
1949 break;
1950
1951 case LCK_ByCopy:
1952 OS << C->getCapturedVar()->getName();
1953 break;
1954 case LCK_VLAType:
1955 llvm_unreachable("VLA type in explicit captures.");
1956 }
1957
1958 if (Node->isInitCapture(C))
1959 PrintExpr(C->getCapturedVar()->getInit());
1960 }
1961 OS << ']';
1962
1963 if (Node->hasExplicitParameters()) {
1964 OS << " (";
1965 CXXMethodDecl *Method = Node->getCallOperator();
1966 NeedComma = false;
1967 for (auto P : Method->params()) {
1968 if (NeedComma) {
1969 OS << ", ";
1970 } else {
1971 NeedComma = true;
1972 }
1973 std::string ParamStr = P->getNameAsString();
1974 P->getOriginalType().print(OS, Policy, ParamStr);
1975 }
1976 if (Method->isVariadic()) {
1977 if (NeedComma)
1978 OS << ", ";
1979 OS << "...";
1980 }
1981 OS << ')';
1982
1983 if (Node->isMutable())
1984 OS << " mutable";
1985
1986 const FunctionProtoType *Proto
1987 = Method->getType()->getAs<FunctionProtoType>();
1988 Proto->printExceptionSpecification(OS, Policy);
1989
1990 // FIXME: Attributes
1991
1992 // Print the trailing return type if it was specified in the source.
1993 if (Node->hasExplicitResultType()) {
1994 OS << " -> ";
1995 Proto->getReturnType().print(OS, Policy);
1996 }
1997 }
1998
1999 // Print the body.
2000 CompoundStmt *Body = Node->getBody();
2001 OS << ' ';
2002 PrintStmt(Body);
2003 }
2004
VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr * Node)2005 void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
2006 if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
2007 TSInfo->getType().print(OS, Policy);
2008 else
2009 Node->getType().print(OS, Policy);
2010 OS << "()";
2011 }
2012
VisitCXXNewExpr(CXXNewExpr * E)2013 void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
2014 if (E->isGlobalNew())
2015 OS << "::";
2016 OS << "new ";
2017 unsigned NumPlace = E->getNumPlacementArgs();
2018 if (NumPlace > 0 && !isa<CXXDefaultArgExpr>(E->getPlacementArg(0))) {
2019 OS << "(";
2020 PrintExpr(E->getPlacementArg(0));
2021 for (unsigned i = 1; i < NumPlace; ++i) {
2022 if (isa<CXXDefaultArgExpr>(E->getPlacementArg(i)))
2023 break;
2024 OS << ", ";
2025 PrintExpr(E->getPlacementArg(i));
2026 }
2027 OS << ") ";
2028 }
2029 if (E->isParenTypeId())
2030 OS << "(";
2031 std::string TypeS;
2032 if (Expr *Size = E->getArraySize()) {
2033 llvm::raw_string_ostream s(TypeS);
2034 s << '[';
2035 Size->printPretty(s, Helper, Policy);
2036 s << ']';
2037 }
2038 E->getAllocatedType().print(OS, Policy, TypeS);
2039 if (E->isParenTypeId())
2040 OS << ")";
2041
2042 CXXNewExpr::InitializationStyle InitStyle = E->getInitializationStyle();
2043 if (InitStyle) {
2044 if (InitStyle == CXXNewExpr::CallInit)
2045 OS << "(";
2046 PrintExpr(E->getInitializer());
2047 if (InitStyle == CXXNewExpr::CallInit)
2048 OS << ")";
2049 }
2050 }
2051
VisitCXXDeleteExpr(CXXDeleteExpr * E)2052 void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
2053 if (E->isGlobalDelete())
2054 OS << "::";
2055 OS << "delete ";
2056 if (E->isArrayForm())
2057 OS << "[] ";
2058 PrintExpr(E->getArgument());
2059 }
2060
VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr * E)2061 void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
2062 PrintExpr(E->getBase());
2063 if (E->isArrow())
2064 OS << "->";
2065 else
2066 OS << '.';
2067 if (E->getQualifier())
2068 E->getQualifier()->print(OS, Policy);
2069 OS << "~";
2070
2071 if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
2072 OS << II->getName();
2073 else
2074 E->getDestroyedType().print(OS, Policy);
2075 }
2076
VisitCXXConstructExpr(CXXConstructExpr * E)2077 void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
2078 if (E->isListInitialization() && !E->isStdInitListInitialization())
2079 OS << "{";
2080
2081 for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
2082 if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
2083 // Don't print any defaulted arguments
2084 break;
2085 }
2086
2087 if (i) OS << ", ";
2088 PrintExpr(E->getArg(i));
2089 }
2090
2091 if (E->isListInitialization() && !E->isStdInitListInitialization())
2092 OS << "}";
2093 }
2094
VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr * E)2095 void StmtPrinter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
2096 PrintExpr(E->getSubExpr());
2097 }
2098
VisitExprWithCleanups(ExprWithCleanups * E)2099 void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
2100 // Just forward to the subexpression.
2101 PrintExpr(E->getSubExpr());
2102 }
2103
2104 void
VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr * Node)2105 StmtPrinter::VisitCXXUnresolvedConstructExpr(
2106 CXXUnresolvedConstructExpr *Node) {
2107 Node->getTypeAsWritten().print(OS, Policy);
2108 OS << "(";
2109 for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
2110 ArgEnd = Node->arg_end();
2111 Arg != ArgEnd; ++Arg) {
2112 if (Arg != Node->arg_begin())
2113 OS << ", ";
2114 PrintExpr(*Arg);
2115 }
2116 OS << ")";
2117 }
2118
VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr * Node)2119 void StmtPrinter::VisitCXXDependentScopeMemberExpr(
2120 CXXDependentScopeMemberExpr *Node) {
2121 if (!Node->isImplicitAccess()) {
2122 PrintExpr(Node->getBase());
2123 OS << (Node->isArrow() ? "->" : ".");
2124 }
2125 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
2126 Qualifier->print(OS, Policy);
2127 if (Node->hasTemplateKeyword())
2128 OS << "template ";
2129 OS << Node->getMemberNameInfo();
2130 if (Node->hasExplicitTemplateArgs())
2131 TemplateSpecializationType::PrintTemplateArgumentList(
2132 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
2133 }
2134
VisitUnresolvedMemberExpr(UnresolvedMemberExpr * Node)2135 void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
2136 if (!Node->isImplicitAccess()) {
2137 PrintExpr(Node->getBase());
2138 OS << (Node->isArrow() ? "->" : ".");
2139 }
2140 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
2141 Qualifier->print(OS, Policy);
2142 if (Node->hasTemplateKeyword())
2143 OS << "template ";
2144 OS << Node->getMemberNameInfo();
2145 if (Node->hasExplicitTemplateArgs())
2146 TemplateSpecializationType::PrintTemplateArgumentList(
2147 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
2148 }
2149
getTypeTraitName(TypeTrait TT)2150 static const char *getTypeTraitName(TypeTrait TT) {
2151 switch (TT) {
2152 #define TYPE_TRAIT_1(Spelling, Name, Key) \
2153 case clang::UTT_##Name: return #Spelling;
2154 #define TYPE_TRAIT_2(Spelling, Name, Key) \
2155 case clang::BTT_##Name: return #Spelling;
2156 #define TYPE_TRAIT_N(Spelling, Name, Key) \
2157 case clang::TT_##Name: return #Spelling;
2158 #include "clang/Basic/TokenKinds.def"
2159 }
2160 llvm_unreachable("Type trait not covered by switch");
2161 }
2162
getTypeTraitName(ArrayTypeTrait ATT)2163 static const char *getTypeTraitName(ArrayTypeTrait ATT) {
2164 switch (ATT) {
2165 case ATT_ArrayRank: return "__array_rank";
2166 case ATT_ArrayExtent: return "__array_extent";
2167 }
2168 llvm_unreachable("Array type trait not covered by switch");
2169 }
2170
getExpressionTraitName(ExpressionTrait ET)2171 static const char *getExpressionTraitName(ExpressionTrait ET) {
2172 switch (ET) {
2173 case ET_IsLValueExpr: return "__is_lvalue_expr";
2174 case ET_IsRValueExpr: return "__is_rvalue_expr";
2175 }
2176 llvm_unreachable("Expression type trait not covered by switch");
2177 }
2178
VisitTypeTraitExpr(TypeTraitExpr * E)2179 void StmtPrinter::VisitTypeTraitExpr(TypeTraitExpr *E) {
2180 OS << getTypeTraitName(E->getTrait()) << "(";
2181 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) {
2182 if (I > 0)
2183 OS << ", ";
2184 E->getArg(I)->getType().print(OS, Policy);
2185 }
2186 OS << ")";
2187 }
2188
VisitArrayTypeTraitExpr(ArrayTypeTraitExpr * E)2189 void StmtPrinter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
2190 OS << getTypeTraitName(E->getTrait()) << '(';
2191 E->getQueriedType().print(OS, Policy);
2192 OS << ')';
2193 }
2194
VisitExpressionTraitExpr(ExpressionTraitExpr * E)2195 void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
2196 OS << getExpressionTraitName(E->getTrait()) << '(';
2197 PrintExpr(E->getQueriedExpression());
2198 OS << ')';
2199 }
2200
VisitCXXNoexceptExpr(CXXNoexceptExpr * E)2201 void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
2202 OS << "noexcept(";
2203 PrintExpr(E->getOperand());
2204 OS << ")";
2205 }
2206
VisitPackExpansionExpr(PackExpansionExpr * E)2207 void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
2208 PrintExpr(E->getPattern());
2209 OS << "...";
2210 }
2211
VisitSizeOfPackExpr(SizeOfPackExpr * E)2212 void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
2213 OS << "sizeof...(" << *E->getPack() << ")";
2214 }
2215
VisitSubstNonTypeTemplateParmPackExpr(SubstNonTypeTemplateParmPackExpr * Node)2216 void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
2217 SubstNonTypeTemplateParmPackExpr *Node) {
2218 OS << *Node->getParameterPack();
2219 }
2220
VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr * Node)2221 void StmtPrinter::VisitSubstNonTypeTemplateParmExpr(
2222 SubstNonTypeTemplateParmExpr *Node) {
2223 Visit(Node->getReplacement());
2224 }
2225
VisitFunctionParmPackExpr(FunctionParmPackExpr * E)2226 void StmtPrinter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
2227 OS << *E->getParameterPack();
2228 }
2229
VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr * Node)2230 void StmtPrinter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *Node){
2231 PrintExpr(Node->GetTemporaryExpr());
2232 }
2233
VisitCXXFoldExpr(CXXFoldExpr * E)2234 void StmtPrinter::VisitCXXFoldExpr(CXXFoldExpr *E) {
2235 OS << "(";
2236 if (E->getLHS()) {
2237 PrintExpr(E->getLHS());
2238 OS << " " << BinaryOperator::getOpcodeStr(E->getOperator()) << " ";
2239 }
2240 OS << "...";
2241 if (E->getRHS()) {
2242 OS << " " << BinaryOperator::getOpcodeStr(E->getOperator()) << " ";
2243 PrintExpr(E->getRHS());
2244 }
2245 OS << ")";
2246 }
2247
2248 // C++ Coroutines TS
2249
VisitCoroutineBodyStmt(CoroutineBodyStmt * S)2250 void StmtPrinter::VisitCoroutineBodyStmt(CoroutineBodyStmt *S) {
2251 Visit(S->getBody());
2252 }
2253
VisitCoreturnStmt(CoreturnStmt * S)2254 void StmtPrinter::VisitCoreturnStmt(CoreturnStmt *S) {
2255 OS << "co_return";
2256 if (S->getOperand()) {
2257 OS << " ";
2258 Visit(S->getOperand());
2259 }
2260 OS << ";";
2261 }
2262
VisitCoawaitExpr(CoawaitExpr * S)2263 void StmtPrinter::VisitCoawaitExpr(CoawaitExpr *S) {
2264 OS << "co_await ";
2265 PrintExpr(S->getOperand());
2266 }
2267
VisitCoyieldExpr(CoyieldExpr * S)2268 void StmtPrinter::VisitCoyieldExpr(CoyieldExpr *S) {
2269 OS << "co_yield ";
2270 PrintExpr(S->getOperand());
2271 }
2272
2273 // Obj-C
2274
VisitObjCStringLiteral(ObjCStringLiteral * Node)2275 void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
2276 OS << "@";
2277 VisitStringLiteral(Node->getString());
2278 }
2279
VisitObjCBoxedExpr(ObjCBoxedExpr * E)2280 void StmtPrinter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
2281 OS << "@";
2282 Visit(E->getSubExpr());
2283 }
2284
VisitObjCArrayLiteral(ObjCArrayLiteral * E)2285 void StmtPrinter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
2286 OS << "@[ ";
2287 ObjCArrayLiteral::child_range Ch = E->children();
2288 for (auto I = Ch.begin(), E = Ch.end(); I != E; ++I) {
2289 if (I != Ch.begin())
2290 OS << ", ";
2291 Visit(*I);
2292 }
2293 OS << " ]";
2294 }
2295
VisitObjCDictionaryLiteral(ObjCDictionaryLiteral * E)2296 void StmtPrinter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
2297 OS << "@{ ";
2298 for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) {
2299 if (I > 0)
2300 OS << ", ";
2301
2302 ObjCDictionaryElement Element = E->getKeyValueElement(I);
2303 Visit(Element.Key);
2304 OS << " : ";
2305 Visit(Element.Value);
2306 if (Element.isPackExpansion())
2307 OS << "...";
2308 }
2309 OS << " }";
2310 }
2311
VisitObjCEncodeExpr(ObjCEncodeExpr * Node)2312 void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
2313 OS << "@encode(";
2314 Node->getEncodedType().print(OS, Policy);
2315 OS << ')';
2316 }
2317
VisitObjCSelectorExpr(ObjCSelectorExpr * Node)2318 void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
2319 OS << "@selector(";
2320 Node->getSelector().print(OS);
2321 OS << ')';
2322 }
2323
VisitObjCProtocolExpr(ObjCProtocolExpr * Node)2324 void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
2325 OS << "@protocol(" << *Node->getProtocol() << ')';
2326 }
2327
VisitObjCMessageExpr(ObjCMessageExpr * Mess)2328 void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
2329 OS << "[";
2330 switch (Mess->getReceiverKind()) {
2331 case ObjCMessageExpr::Instance:
2332 PrintExpr(Mess->getInstanceReceiver());
2333 break;
2334
2335 case ObjCMessageExpr::Class:
2336 Mess->getClassReceiver().print(OS, Policy);
2337 break;
2338
2339 case ObjCMessageExpr::SuperInstance:
2340 case ObjCMessageExpr::SuperClass:
2341 OS << "Super";
2342 break;
2343 }
2344
2345 OS << ' ';
2346 Selector selector = Mess->getSelector();
2347 if (selector.isUnarySelector()) {
2348 OS << selector.getNameForSlot(0);
2349 } else {
2350 for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
2351 if (i < selector.getNumArgs()) {
2352 if (i > 0) OS << ' ';
2353 if (selector.getIdentifierInfoForSlot(i))
2354 OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
2355 else
2356 OS << ":";
2357 }
2358 else OS << ", "; // Handle variadic methods.
2359
2360 PrintExpr(Mess->getArg(i));
2361 }
2362 }
2363 OS << "]";
2364 }
2365
VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr * Node)2366 void StmtPrinter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Node) {
2367 OS << (Node->getValue() ? "__objc_yes" : "__objc_no");
2368 }
2369
2370 void
VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr * E)2371 StmtPrinter::VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
2372 PrintExpr(E->getSubExpr());
2373 }
2374
2375 void
VisitObjCBridgedCastExpr(ObjCBridgedCastExpr * E)2376 StmtPrinter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
2377 OS << '(' << E->getBridgeKindName();
2378 E->getType().print(OS, Policy);
2379 OS << ')';
2380 PrintExpr(E->getSubExpr());
2381 }
2382
VisitBlockExpr(BlockExpr * Node)2383 void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
2384 BlockDecl *BD = Node->getBlockDecl();
2385 OS << "^";
2386
2387 const FunctionType *AFT = Node->getFunctionType();
2388
2389 if (isa<FunctionNoProtoType>(AFT)) {
2390 OS << "()";
2391 } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
2392 OS << '(';
2393 for (BlockDecl::param_iterator AI = BD->param_begin(),
2394 E = BD->param_end(); AI != E; ++AI) {
2395 if (AI != BD->param_begin()) OS << ", ";
2396 std::string ParamStr = (*AI)->getNameAsString();
2397 (*AI)->getType().print(OS, Policy, ParamStr);
2398 }
2399
2400 const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
2401 if (FT->isVariadic()) {
2402 if (!BD->param_empty()) OS << ", ";
2403 OS << "...";
2404 }
2405 OS << ')';
2406 }
2407 OS << "{ }";
2408 }
2409
VisitOpaqueValueExpr(OpaqueValueExpr * Node)2410 void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {
2411 PrintExpr(Node->getSourceExpr());
2412 }
2413
VisitTypoExpr(TypoExpr * Node)2414 void StmtPrinter::VisitTypoExpr(TypoExpr *Node) {
2415 // TODO: Print something reasonable for a TypoExpr, if necessary.
2416 assert(false && "Cannot print TypoExpr nodes");
2417 }
2418
VisitAsTypeExpr(AsTypeExpr * Node)2419 void StmtPrinter::VisitAsTypeExpr(AsTypeExpr *Node) {
2420 OS << "__builtin_astype(";
2421 PrintExpr(Node->getSrcExpr());
2422 OS << ", ";
2423 Node->getType().print(OS, Policy);
2424 OS << ")";
2425 }
2426
2427 //===----------------------------------------------------------------------===//
2428 // Stmt method implementations
2429 //===----------------------------------------------------------------------===//
2430
dumpPretty(const ASTContext & Context) const2431 void Stmt::dumpPretty(const ASTContext &Context) const {
2432 printPretty(llvm::errs(), nullptr, PrintingPolicy(Context.getLangOpts()));
2433 }
2434
printPretty(raw_ostream & OS,PrinterHelper * Helper,const PrintingPolicy & Policy,unsigned Indentation) const2435 void Stmt::printPretty(raw_ostream &OS,
2436 PrinterHelper *Helper,
2437 const PrintingPolicy &Policy,
2438 unsigned Indentation) const {
2439 StmtPrinter P(OS, Helper, Policy, Indentation);
2440 P.Visit(const_cast<Stmt*>(this));
2441 }
2442
2443 //===----------------------------------------------------------------------===//
2444 // PrinterHelper
2445 //===----------------------------------------------------------------------===//
2446
2447 // Implement virtual destructor.
~PrinterHelper()2448 PrinterHelper::~PrinterHelper() {}
2449