1 //===--- StmtPrinter.cpp - Printing implementation for Stmt ASTs ----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the Stmt::dumpPretty/Stmt::printPretty methods, which
11 // pretty print the AST back out to C code.
13 //===----------------------------------------------------------------------===//
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;
29 //===----------------------------------------------------------------------===//
30 // StmtPrinter Visitor
31 //===----------------------------------------------------------------------===//
34 class StmtPrinter : public StmtVisitor<StmtPrinter> {
37 clang::PrinterHelper* Helper;
38 PrintingPolicy Policy;
41 StmtPrinter(raw_ostream &os, PrinterHelper* helper,
42 const PrintingPolicy &Policy,
43 unsigned Indentation = 0)
44 : OS(os), IndentLevel(Indentation), Helper(helper), Policy(Policy) {}
46 void PrintStmt(Stmt *S) {
47 PrintStmt(S, Policy.Indentation);
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.
60 Indent() << "<<<NULL STATEMENT>>>\n";
62 IndentLevel -= SubIndent;
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);
75 void PrintExpr(Expr *E) {
82 raw_ostream &Indent(int Delta = 0) {
83 for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
89 if (Helper && Helper->handledStmt(S,OS))
91 else StmtVisitor<StmtPrinter>::Visit(S);
94 void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
95 Indent() << "<<unknown stmt type>>\n";
97 void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
98 OS << "<<unknown expr type>>";
100 void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
102 #define ABSTRACT_STMT(CLASS)
103 #define STMT(CLASS, PARENT) \
104 void Visit##CLASS(CLASS *Node);
105 #include "clang/AST/StmtNodes.inc"
109 //===----------------------------------------------------------------------===//
110 // Stmt printing methods.
111 //===----------------------------------------------------------------------===//
113 /// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
114 /// with no newline after the }.
115 void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
117 for (auto *I : Node->body())
123 void StmtPrinter::PrintRawDecl(Decl *D) {
124 D->print(OS, Policy, IndentLevel);
127 void StmtPrinter::PrintRawDeclStmt(const DeclStmt *S) {
128 SmallVector<Decl*, 2> Decls(S->decls());
129 Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
132 void StmtPrinter::VisitNullStmt(NullStmt *Node) {
136 void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
138 PrintRawDeclStmt(Node);
142 void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
144 PrintRawCompoundStmt(Node);
148 void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
149 Indent(-1) << "case ";
150 PrintExpr(Node->getLHS());
151 if (Node->getRHS()) {
153 PrintExpr(Node->getRHS());
157 PrintStmt(Node->getSubStmt(), 0);
160 void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
161 Indent(-1) << "default:\n";
162 PrintStmt(Node->getSubStmt(), 0);
165 void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
166 Indent(-1) << Node->getName() << ":\n";
167 PrintStmt(Node->getSubStmt(), 0);
170 void StmtPrinter::VisitAttributedStmt(AttributedStmt *Node) {
171 for (const auto *Attr : Node->getAttrs()) {
172 Attr->printPretty(OS, Policy);
175 PrintStmt(Node->getSubStmt(), 0);
178 void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
180 if (const DeclStmt *DS = If->getConditionVariableDeclStmt())
181 PrintRawDeclStmt(DS);
183 PrintExpr(If->getCond());
186 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
188 PrintRawCompoundStmt(CS);
189 OS << (If->getElse() ? ' ' : '\n');
192 PrintStmt(If->getThen());
193 if (If->getElse()) Indent();
196 if (Stmt *Else = If->getElse()) {
199 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
201 PrintRawCompoundStmt(CS);
203 } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) {
205 PrintRawIfStmt(ElseIf);
208 PrintStmt(If->getElse());
213 void StmtPrinter::VisitIfStmt(IfStmt *If) {
218 void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
219 Indent() << "switch (";
220 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
221 PrintRawDeclStmt(DS);
223 PrintExpr(Node->getCond());
226 // Pretty print compoundstmt bodies (very common).
227 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
229 PrintRawCompoundStmt(CS);
233 PrintStmt(Node->getBody());
237 void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
238 Indent() << "while (";
239 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
240 PrintRawDeclStmt(DS);
242 PrintExpr(Node->getCond());
244 PrintStmt(Node->getBody());
247 void StmtPrinter::VisitDoStmt(DoStmt *Node) {
249 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
250 PrintRawCompoundStmt(CS);
254 PrintStmt(Node->getBody());
259 PrintExpr(Node->getCond());
263 void StmtPrinter::VisitForStmt(ForStmt *Node) {
265 if (Node->getInit()) {
266 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit()))
267 PrintRawDeclStmt(DS);
269 PrintExpr(cast<Expr>(Node->getInit()));
272 if (Node->getCond()) {
274 PrintExpr(Node->getCond());
277 if (Node->getInc()) {
279 PrintExpr(Node->getInc());
283 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
284 PrintRawCompoundStmt(CS);
288 PrintStmt(Node->getBody());
292 void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
294 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement()))
295 PrintRawDeclStmt(DS);
297 PrintExpr(cast<Expr>(Node->getElement()));
299 PrintExpr(Node->getCollection());
302 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
303 PrintRawCompoundStmt(CS);
307 PrintStmt(Node->getBody());
311 void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
313 PrintingPolicy SubPolicy(Policy);
314 SubPolicy.SuppressInitializers = true;
315 Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
317 PrintExpr(Node->getRangeInit());
319 PrintStmt(Node->getBody());
321 if (Policy.IncludeNewlines) OS << "\n";
324 void StmtPrinter::VisitMSDependentExistsStmt(MSDependentExistsStmt *Node) {
326 if (Node->isIfExists())
327 OS << "__if_exists (";
329 OS << "__if_not_exists (";
331 if (NestedNameSpecifier *Qualifier
332 = Node->getQualifierLoc().getNestedNameSpecifier())
333 Qualifier->print(OS, Policy);
335 OS << Node->getNameInfo() << ") ";
337 PrintRawCompoundStmt(Node->getSubStmt());
340 void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
341 Indent() << "goto " << Node->getLabel()->getName() << ";";
342 if (Policy.IncludeNewlines) OS << "\n";
345 void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
346 Indent() << "goto *";
347 PrintExpr(Node->getTarget());
349 if (Policy.IncludeNewlines) OS << "\n";
352 void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
353 Indent() << "continue;";
354 if (Policy.IncludeNewlines) OS << "\n";
357 void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
358 Indent() << "break;";
359 if (Policy.IncludeNewlines) OS << "\n";
363 void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
364 Indent() << "return";
365 if (Node->getRetValue()) {
367 PrintExpr(Node->getRetValue());
370 if (Policy.IncludeNewlines) OS << "\n";
374 void StmtPrinter::VisitGCCAsmStmt(GCCAsmStmt *Node) {
377 if (Node->isVolatile())
381 VisitStringLiteral(Node->getAsmString());
384 if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
385 Node->getNumClobbers() != 0)
388 for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
392 if (!Node->getOutputName(i).empty()) {
394 OS << Node->getOutputName(i);
398 VisitStringLiteral(Node->getOutputConstraintLiteral(i));
400 Visit(Node->getOutputExpr(i));
404 if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
407 for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
411 if (!Node->getInputName(i).empty()) {
413 OS << Node->getInputName(i);
417 VisitStringLiteral(Node->getInputConstraintLiteral(i));
419 Visit(Node->getInputExpr(i));
423 if (Node->getNumClobbers() != 0)
426 for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
430 VisitStringLiteral(Node->getClobberStringLiteral(i));
434 if (Policy.IncludeNewlines) OS << "\n";
437 void StmtPrinter::VisitMSAsmStmt(MSAsmStmt *Node) {
438 // FIXME: Implement MS style inline asm statement printer.
439 Indent() << "__asm ";
440 if (Node->hasBraces())
442 OS << Node->getAsmString() << "\n";
443 if (Node->hasBraces())
447 void StmtPrinter::VisitCapturedStmt(CapturedStmt *Node) {
448 PrintStmt(Node->getCapturedDecl()->getBody());
451 void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
453 if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
454 PrintRawCompoundStmt(TS);
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())
466 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
467 PrintRawCompoundStmt(CS);
472 if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
473 Node->getFinallyStmt())) {
474 Indent() << "@finally";
475 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
480 void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
483 void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
484 Indent() << "@catch (...) { /* todo */ } \n";
487 void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
488 Indent() << "@throw";
489 if (Node->getThrowExpr()) {
491 PrintExpr(Node->getThrowExpr());
496 void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
497 Indent() << "@synchronized (";
498 PrintExpr(Node->getSynchExpr());
500 PrintRawCompoundStmt(Node->getSynchBody());
504 void StmtPrinter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *Node) {
505 Indent() << "@autoreleasepool";
506 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(Node->getSubStmt()));
510 void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
512 if (Decl *ExDecl = Node->getExceptionDecl())
513 PrintRawDecl(ExDecl);
517 PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
520 void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
522 PrintRawCXXCatchStmt(Node);
526 void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
528 PrintRawCompoundStmt(Node->getTryBlock());
529 for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
531 PrintRawCXXCatchStmt(Node->getHandler(i));
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();
542 PrintRawSEHExceptHandler(E);
544 assert(F && "Must have a finally block...");
545 PrintRawSEHFinallyStmt(F);
550 void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
552 PrintRawCompoundStmt(Node->getBlock());
556 void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
558 VisitExpr(Node->getFilterExpr());
560 PrintRawCompoundStmt(Node->getBlock());
564 void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
566 PrintRawSEHExceptHandler(Node);
570 void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
572 PrintRawSEHFinallyStmt(Node);
576 void StmtPrinter::VisitSEHLeaveStmt(SEHLeaveStmt *Node) {
577 Indent() << "__leave;";
578 if (Policy.IncludeNewlines) OS << "\n";
581 //===----------------------------------------------------------------------===//
582 // OpenMP clauses printing methods
583 //===----------------------------------------------------------------------===//
586 class OMPClausePrinter : public OMPClauseVisitor<OMPClausePrinter> {
588 const PrintingPolicy &Policy;
589 /// \brief Process clauses with list of variables.
590 template <typename T>
591 void VisitOMPClauseList(T *Node, char StartSym);
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"
600 void OMPClausePrinter::VisitOMPIfClause(OMPIfClause *Node) {
602 Node->getCondition()->printPretty(OS, nullptr, Policy, 0);
606 void OMPClausePrinter::VisitOMPFinalClause(OMPFinalClause *Node) {
608 Node->getCondition()->printPretty(OS, nullptr, Policy, 0);
612 void OMPClausePrinter::VisitOMPNumThreadsClause(OMPNumThreadsClause *Node) {
613 OS << "num_threads(";
614 Node->getNumThreads()->printPretty(OS, nullptr, Policy, 0);
618 void OMPClausePrinter::VisitOMPSafelenClause(OMPSafelenClause *Node) {
620 Node->getSafelen()->printPretty(OS, nullptr, Policy, 0);
624 void OMPClausePrinter::VisitOMPCollapseClause(OMPCollapseClause *Node) {
626 Node->getNumForLoops()->printPretty(OS, nullptr, Policy, 0);
630 void OMPClausePrinter::VisitOMPDefaultClause(OMPDefaultClause *Node) {
632 << getOpenMPSimpleClauseTypeName(OMPC_default, Node->getDefaultKind())
636 void OMPClausePrinter::VisitOMPProcBindClause(OMPProcBindClause *Node) {
638 << getOpenMPSimpleClauseTypeName(OMPC_proc_bind, Node->getProcBindKind())
642 void OMPClausePrinter::VisitOMPScheduleClause(OMPScheduleClause *Node) {
644 << getOpenMPSimpleClauseTypeName(OMPC_schedule, Node->getScheduleKind());
645 if (Node->getChunkSize()) {
647 Node->getChunkSize()->printPretty(OS, nullptr, Policy);
652 void OMPClausePrinter::VisitOMPOrderedClause(OMPOrderedClause *) {
656 void OMPClausePrinter::VisitOMPNowaitClause(OMPNowaitClause *) {
660 void OMPClausePrinter::VisitOMPUntiedClause(OMPUntiedClause *) {
664 void OMPClausePrinter::VisitOMPMergeableClause(OMPMergeableClause *) {
669 void OMPClausePrinter::VisitOMPClauseList(T *Node, char StartSym) {
670 for (typename T::varlist_iterator I = Node->varlist_begin(),
671 E = Node->varlist_end();
673 assert(*I && "Expected non-null Stmt");
674 if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(*I)) {
675 OS << (I == Node->varlist_begin() ? StartSym : ',');
676 cast<NamedDecl>(DRE->getDecl())->printQualifiedName(OS);
678 OS << (I == Node->varlist_begin() ? StartSym : ',');
679 (*I)->printPretty(OS, nullptr, Policy, 0);
684 void OMPClausePrinter::VisitOMPPrivateClause(OMPPrivateClause *Node) {
685 if (!Node->varlist_empty()) {
687 VisitOMPClauseList(Node, '(');
692 void OMPClausePrinter::VisitOMPFirstprivateClause(OMPFirstprivateClause *Node) {
693 if (!Node->varlist_empty()) {
694 OS << "firstprivate";
695 VisitOMPClauseList(Node, '(');
700 void OMPClausePrinter::VisitOMPLastprivateClause(OMPLastprivateClause *Node) {
701 if (!Node->varlist_empty()) {
703 VisitOMPClauseList(Node, '(');
708 void OMPClausePrinter::VisitOMPSharedClause(OMPSharedClause *Node) {
709 if (!Node->varlist_empty()) {
711 VisitOMPClauseList(Node, '(');
716 void OMPClausePrinter::VisitOMPReductionClause(OMPReductionClause *Node) {
717 if (!Node->varlist_empty()) {
719 NestedNameSpecifier *QualifierLoc =
720 Node->getQualifierLoc().getNestedNameSpecifier();
721 OverloadedOperatorKind OOK =
722 Node->getNameInfo().getName().getCXXOverloadedOperator();
723 if (QualifierLoc == nullptr && OOK != OO_None) {
724 // Print reduction identifier in C format
725 OS << getOperatorSpelling(OOK);
728 if (QualifierLoc != nullptr)
729 QualifierLoc->print(OS, Policy);
730 OS << Node->getNameInfo();
733 VisitOMPClauseList(Node, ' ');
738 void OMPClausePrinter::VisitOMPLinearClause(OMPLinearClause *Node) {
739 if (!Node->varlist_empty()) {
741 VisitOMPClauseList(Node, '(');
742 if (Node->getStep() != nullptr) {
744 Node->getStep()->printPretty(OS, nullptr, Policy, 0);
750 void OMPClausePrinter::VisitOMPAlignedClause(OMPAlignedClause *Node) {
751 if (!Node->varlist_empty()) {
753 VisitOMPClauseList(Node, '(');
754 if (Node->getAlignment() != nullptr) {
756 Node->getAlignment()->printPretty(OS, nullptr, Policy, 0);
762 void OMPClausePrinter::VisitOMPCopyinClause(OMPCopyinClause *Node) {
763 if (!Node->varlist_empty()) {
765 VisitOMPClauseList(Node, '(');
770 void OMPClausePrinter::VisitOMPCopyprivateClause(OMPCopyprivateClause *Node) {
771 if (!Node->varlist_empty()) {
773 VisitOMPClauseList(Node, '(');
778 void OMPClausePrinter::VisitOMPFlushClause(OMPFlushClause *Node) {
779 if (!Node->varlist_empty()) {
780 VisitOMPClauseList(Node, '(');
786 //===----------------------------------------------------------------------===//
787 // OpenMP directives printing methods
788 //===----------------------------------------------------------------------===//
790 void StmtPrinter::PrintOMPExecutableDirective(OMPExecutableDirective *S) {
791 OMPClausePrinter Printer(OS, Policy);
792 ArrayRef<OMPClause *> Clauses = S->clauses();
793 for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
795 if (*I && !(*I)->isImplicit()) {
800 if (S->hasAssociatedStmt() && S->getAssociatedStmt()) {
801 assert(isa<CapturedStmt>(S->getAssociatedStmt()) &&
802 "Expected captured statement!");
803 Stmt *CS = cast<CapturedStmt>(S->getAssociatedStmt())->getCapturedStmt();
808 void StmtPrinter::VisitOMPParallelDirective(OMPParallelDirective *Node) {
809 Indent() << "#pragma omp parallel ";
810 PrintOMPExecutableDirective(Node);
813 void StmtPrinter::VisitOMPSimdDirective(OMPSimdDirective *Node) {
814 Indent() << "#pragma omp simd ";
815 PrintOMPExecutableDirective(Node);
818 void StmtPrinter::VisitOMPForDirective(OMPForDirective *Node) {
819 Indent() << "#pragma omp for ";
820 PrintOMPExecutableDirective(Node);
823 void StmtPrinter::VisitOMPSectionsDirective(OMPSectionsDirective *Node) {
824 Indent() << "#pragma omp sections ";
825 PrintOMPExecutableDirective(Node);
828 void StmtPrinter::VisitOMPSectionDirective(OMPSectionDirective *Node) {
829 Indent() << "#pragma omp section";
830 PrintOMPExecutableDirective(Node);
833 void StmtPrinter::VisitOMPSingleDirective(OMPSingleDirective *Node) {
834 Indent() << "#pragma omp single ";
835 PrintOMPExecutableDirective(Node);
838 void StmtPrinter::VisitOMPMasterDirective(OMPMasterDirective *Node) {
839 Indent() << "#pragma omp master";
840 PrintOMPExecutableDirective(Node);
843 void StmtPrinter::VisitOMPCriticalDirective(OMPCriticalDirective *Node) {
844 Indent() << "#pragma omp critical";
845 if (Node->getDirectiveName().getName()) {
847 Node->getDirectiveName().printName(OS);
850 PrintOMPExecutableDirective(Node);
853 void StmtPrinter::VisitOMPParallelForDirective(OMPParallelForDirective *Node) {
854 Indent() << "#pragma omp parallel for ";
855 PrintOMPExecutableDirective(Node);
858 void StmtPrinter::VisitOMPParallelSectionsDirective(
859 OMPParallelSectionsDirective *Node) {
860 Indent() << "#pragma omp parallel sections ";
861 PrintOMPExecutableDirective(Node);
864 void StmtPrinter::VisitOMPTaskDirective(OMPTaskDirective *Node) {
865 Indent() << "#pragma omp task ";
866 PrintOMPExecutableDirective(Node);
869 void StmtPrinter::VisitOMPTaskyieldDirective(OMPTaskyieldDirective *Node) {
870 Indent() << "#pragma omp taskyield";
871 PrintOMPExecutableDirective(Node);
874 void StmtPrinter::VisitOMPBarrierDirective(OMPBarrierDirective *Node) {
875 Indent() << "#pragma omp barrier";
876 PrintOMPExecutableDirective(Node);
879 void StmtPrinter::VisitOMPTaskwaitDirective(OMPTaskwaitDirective *Node) {
880 Indent() << "#pragma omp taskwait";
881 PrintOMPExecutableDirective(Node);
884 void StmtPrinter::VisitOMPFlushDirective(OMPFlushDirective *Node) {
885 Indent() << "#pragma omp flush ";
886 PrintOMPExecutableDirective(Node);
889 //===----------------------------------------------------------------------===//
890 // Expr printing methods.
891 //===----------------------------------------------------------------------===//
893 void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
894 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
895 Qualifier->print(OS, Policy);
896 if (Node->hasTemplateKeyword())
898 OS << Node->getNameInfo();
899 if (Node->hasExplicitTemplateArgs())
900 TemplateSpecializationType::PrintTemplateArgumentList(
901 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
904 void StmtPrinter::VisitDependentScopeDeclRefExpr(
905 DependentScopeDeclRefExpr *Node) {
906 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
907 Qualifier->print(OS, Policy);
908 if (Node->hasTemplateKeyword())
910 OS << Node->getNameInfo();
911 if (Node->hasExplicitTemplateArgs())
912 TemplateSpecializationType::PrintTemplateArgumentList(
913 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
916 void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
917 if (Node->getQualifier())
918 Node->getQualifier()->print(OS, Policy);
919 if (Node->hasTemplateKeyword())
921 OS << Node->getNameInfo();
922 if (Node->hasExplicitTemplateArgs())
923 TemplateSpecializationType::PrintTemplateArgumentList(
924 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
927 void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
928 if (Node->getBase()) {
929 PrintExpr(Node->getBase());
930 OS << (Node->isArrow() ? "->" : ".");
932 OS << *Node->getDecl();
935 void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
936 if (Node->isSuperReceiver())
938 else if (Node->isObjectReceiver() && Node->getBase()) {
939 PrintExpr(Node->getBase());
941 } else if (Node->isClassReceiver() && Node->getClassReceiver()) {
942 OS << Node->getClassReceiver()->getName() << ".";
945 if (Node->isImplicitProperty())
946 Node->getImplicitPropertyGetter()->getSelector().print(OS);
948 OS << Node->getExplicitProperty()->getName();
951 void StmtPrinter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *Node) {
953 PrintExpr(Node->getBaseExpr());
955 PrintExpr(Node->getKeyExpr());
959 void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
960 switch (Node->getIdentType()) {
962 llvm_unreachable("unknown case");
963 case PredefinedExpr::Func:
966 case PredefinedExpr::Function:
967 OS << "__FUNCTION__";
969 case PredefinedExpr::FuncDName:
970 OS << "__FUNCDNAME__";
972 case PredefinedExpr::FuncSig:
975 case PredefinedExpr::LFunction:
976 OS << "L__FUNCTION__";
978 case PredefinedExpr::PrettyFunction:
979 OS << "__PRETTY_FUNCTION__";
984 void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
985 unsigned value = Node->getValue();
987 switch (Node->getKind()) {
988 case CharacterLiteral::Ascii: break; // no prefix.
989 case CharacterLiteral::Wide: OS << 'L'; break;
990 case CharacterLiteral::UTF16: OS << 'u'; break;
991 case CharacterLiteral::UTF32: OS << 'U'; break;
1002 // TODO: K&R: the meaning of '\\a' is different in traditional C
1008 // Nonstandard escape sequence.
1028 if (value < 256 && isPrintable((unsigned char)value))
1029 OS << "'" << (char)value << "'";
1030 else if (value < 256)
1031 OS << "'\\x" << llvm::format("%02x", value) << "'";
1032 else if (value <= 0xFFFF)
1033 OS << "'\\u" << llvm::format("%04x", value) << "'";
1035 OS << "'\\U" << llvm::format("%08x", value) << "'";
1039 void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
1040 bool isSigned = Node->getType()->isSignedIntegerType();
1041 OS << Node->getValue().toString(10, isSigned);
1043 // Emit suffixes. Integer literals are always a builtin integer type.
1044 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
1045 default: llvm_unreachable("Unexpected type for integer literal!");
1046 case BuiltinType::SChar: OS << "i8"; break;
1047 case BuiltinType::UChar: OS << "Ui8"; break;
1048 case BuiltinType::Short: OS << "i16"; break;
1049 case BuiltinType::UShort: OS << "Ui16"; break;
1050 case BuiltinType::Int: break; // no suffix.
1051 case BuiltinType::UInt: OS << 'U'; break;
1052 case BuiltinType::Long: OS << 'L'; break;
1053 case BuiltinType::ULong: OS << "UL"; break;
1054 case BuiltinType::LongLong: OS << "LL"; break;
1055 case BuiltinType::ULongLong: OS << "ULL"; break;
1056 case BuiltinType::Int128: OS << "i128"; break;
1057 case BuiltinType::UInt128: OS << "Ui128"; break;
1061 static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
1063 SmallString<16> Str;
1064 Node->getValue().toString(Str);
1066 if (Str.find_first_not_of("-0123456789") == StringRef::npos)
1067 OS << '.'; // Trailing dot in order to separate from ints.
1072 // Emit suffixes. Float literals are always a builtin float type.
1073 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
1074 default: llvm_unreachable("Unexpected type for float literal!");
1075 case BuiltinType::Half: break; // FIXME: suffix?
1076 case BuiltinType::Double: break; // no suffix.
1077 case BuiltinType::Float: OS << 'F'; break;
1078 case BuiltinType::LongDouble: OS << 'L'; break;
1082 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
1083 PrintFloatingLiteral(OS, Node, /*PrintSuffix=*/true);
1086 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
1087 PrintExpr(Node->getSubExpr());
1091 void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
1092 Str->outputString(OS);
1094 void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
1096 PrintExpr(Node->getSubExpr());
1099 void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
1100 if (!Node->isPostfix()) {
1101 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
1103 // Print a space if this is an "identifier operator" like __real, or if
1104 // it might be concatenated incorrectly like '+'.
1105 switch (Node->getOpcode()) {
1114 if (isa<UnaryOperator>(Node->getSubExpr()))
1119 PrintExpr(Node->getSubExpr());
1121 if (Node->isPostfix())
1122 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
1125 void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
1126 OS << "__builtin_offsetof(";
1127 Node->getTypeSourceInfo()->getType().print(OS, Policy);
1129 bool PrintedSomething = false;
1130 for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
1131 OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i);
1132 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) {
1135 PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
1137 PrintedSomething = true;
1141 // Skip implicit base indirections.
1142 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base)
1145 // Field or identifier node.
1146 IdentifierInfo *Id = ON.getFieldName();
1150 if (PrintedSomething)
1153 PrintedSomething = true;
1154 OS << Id->getName();
1159 void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *Node){
1160 switch(Node->getKind()) {
1165 if (Policy.LangOpts.CPlusPlus)
1167 else if (Policy.LangOpts.C11)
1176 if (Node->isArgumentType()) {
1178 Node->getArgumentType().print(OS, Policy);
1182 PrintExpr(Node->getArgumentExpr());
1186 void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
1188 PrintExpr(Node->getControllingExpr());
1189 for (unsigned i = 0; i != Node->getNumAssocs(); ++i) {
1191 QualType T = Node->getAssocType(i);
1195 T.print(OS, Policy);
1197 PrintExpr(Node->getAssocExpr(i));
1202 void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
1203 PrintExpr(Node->getLHS());
1205 PrintExpr(Node->getRHS());
1209 void StmtPrinter::PrintCallArgs(CallExpr *Call) {
1210 for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
1211 if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
1212 // Don't print any defaulted arguments
1217 PrintExpr(Call->getArg(i));
1221 void StmtPrinter::VisitCallExpr(CallExpr *Call) {
1222 PrintExpr(Call->getCallee());
1224 PrintCallArgs(Call);
1227 void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
1228 // FIXME: Suppress printing implicit bases (like "this")
1229 PrintExpr(Node->getBase());
1231 MemberExpr *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
1232 FieldDecl *ParentDecl = ParentMember
1233 ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl()) : nullptr;
1235 if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
1236 OS << (Node->isArrow() ? "->" : ".");
1238 if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
1239 if (FD->isAnonymousStructOrUnion())
1242 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1243 Qualifier->print(OS, Policy);
1244 if (Node->hasTemplateKeyword())
1246 OS << Node->getMemberNameInfo();
1247 if (Node->hasExplicitTemplateArgs())
1248 TemplateSpecializationType::PrintTemplateArgumentList(
1249 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1251 void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
1252 PrintExpr(Node->getBase());
1253 OS << (Node->isArrow() ? "->isa" : ".isa");
1256 void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
1257 PrintExpr(Node->getBase());
1259 OS << Node->getAccessor().getName();
1261 void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
1263 Node->getTypeAsWritten().print(OS, Policy);
1265 PrintExpr(Node->getSubExpr());
1267 void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
1269 Node->getType().print(OS, Policy);
1271 PrintExpr(Node->getInitializer());
1273 void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
1274 // No need to print anything, simply forward to the subexpression.
1275 PrintExpr(Node->getSubExpr());
1277 void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
1278 PrintExpr(Node->getLHS());
1279 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
1280 PrintExpr(Node->getRHS());
1282 void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
1283 PrintExpr(Node->getLHS());
1284 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
1285 PrintExpr(Node->getRHS());
1287 void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
1288 PrintExpr(Node->getCond());
1290 PrintExpr(Node->getLHS());
1292 PrintExpr(Node->getRHS());
1298 StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
1299 PrintExpr(Node->getCommon());
1301 PrintExpr(Node->getFalseExpr());
1303 void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
1304 OS << "&&" << Node->getLabel()->getName();
1307 void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
1309 PrintRawCompoundStmt(E->getSubStmt());
1313 void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
1314 OS << "__builtin_choose_expr(";
1315 PrintExpr(Node->getCond());
1317 PrintExpr(Node->getLHS());
1319 PrintExpr(Node->getRHS());
1323 void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
1327 void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
1328 OS << "__builtin_shufflevector(";
1329 for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
1331 PrintExpr(Node->getExpr(i));
1336 void StmtPrinter::VisitConvertVectorExpr(ConvertVectorExpr *Node) {
1337 OS << "__builtin_convertvector(";
1338 PrintExpr(Node->getSrcExpr());
1340 Node->getType().print(OS, Policy);
1344 void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
1345 if (Node->getSyntacticForm()) {
1346 Visit(Node->getSyntacticForm());
1351 for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
1353 if (Node->getInit(i))
1354 PrintExpr(Node->getInit(i));
1361 void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
1363 for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
1365 PrintExpr(Node->getExpr(i));
1370 void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
1371 for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
1372 DEnd = Node->designators_end();
1374 if (D->isFieldDesignator()) {
1375 if (D->getDotLoc().isInvalid()) {
1376 if (IdentifierInfo *II = D->getFieldName())
1377 OS << II->getName() << ":";
1379 OS << "." << D->getFieldName()->getName();
1383 if (D->isArrayDesignator()) {
1384 PrintExpr(Node->getArrayIndex(*D));
1386 PrintExpr(Node->getArrayRangeStart(*D));
1388 PrintExpr(Node->getArrayRangeEnd(*D));
1395 PrintExpr(Node->getInit());
1398 void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
1399 if (Policy.LangOpts.CPlusPlus) {
1400 OS << "/*implicit*/";
1401 Node->getType().print(OS, Policy);
1404 OS << "/*implicit*/(";
1405 Node->getType().print(OS, Policy);
1407 if (Node->getType()->isRecordType())
1414 void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
1415 OS << "__builtin_va_arg(";
1416 PrintExpr(Node->getSubExpr());
1418 Node->getType().print(OS, Policy);
1422 void StmtPrinter::VisitPseudoObjectExpr(PseudoObjectExpr *Node) {
1423 PrintExpr(Node->getSyntacticForm());
1426 void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
1427 const char *Name = nullptr;
1428 switch (Node->getOp()) {
1429 #define BUILTIN(ID, TYPE, ATTRS)
1430 #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \
1431 case AtomicExpr::AO ## ID: \
1434 #include "clang/Basic/Builtins.def"
1438 // AtomicExpr stores its subexpressions in a permuted order.
1439 PrintExpr(Node->getPtr());
1440 if (Node->getOp() != AtomicExpr::AO__c11_atomic_load &&
1441 Node->getOp() != AtomicExpr::AO__atomic_load_n) {
1443 PrintExpr(Node->getVal1());
1445 if (Node->getOp() == AtomicExpr::AO__atomic_exchange ||
1446 Node->isCmpXChg()) {
1448 PrintExpr(Node->getVal2());
1450 if (Node->getOp() == AtomicExpr::AO__atomic_compare_exchange ||
1451 Node->getOp() == AtomicExpr::AO__atomic_compare_exchange_n) {
1453 PrintExpr(Node->getWeak());
1455 if (Node->getOp() != AtomicExpr::AO__c11_atomic_init) {
1457 PrintExpr(Node->getOrder());
1459 if (Node->isCmpXChg()) {
1461 PrintExpr(Node->getOrderFail());
1467 void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
1468 const char *OpStrings[NUM_OVERLOADED_OPERATORS] = {
1470 #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
1472 #include "clang/Basic/OperatorKinds.def"
1475 OverloadedOperatorKind Kind = Node->getOperator();
1476 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
1477 if (Node->getNumArgs() == 1) {
1478 OS << OpStrings[Kind] << ' ';
1479 PrintExpr(Node->getArg(0));
1481 PrintExpr(Node->getArg(0));
1482 OS << ' ' << OpStrings[Kind];
1484 } else if (Kind == OO_Arrow) {
1485 PrintExpr(Node->getArg(0));
1486 } else if (Kind == OO_Call) {
1487 PrintExpr(Node->getArg(0));
1489 for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
1492 if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
1493 PrintExpr(Node->getArg(ArgIdx));
1496 } else if (Kind == OO_Subscript) {
1497 PrintExpr(Node->getArg(0));
1499 PrintExpr(Node->getArg(1));
1501 } else if (Node->getNumArgs() == 1) {
1502 OS << OpStrings[Kind] << ' ';
1503 PrintExpr(Node->getArg(0));
1504 } else if (Node->getNumArgs() == 2) {
1505 PrintExpr(Node->getArg(0));
1506 OS << ' ' << OpStrings[Kind] << ' ';
1507 PrintExpr(Node->getArg(1));
1509 llvm_unreachable("unknown overloaded operator");
1513 void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
1514 // If we have a conversion operator call only print the argument.
1515 CXXMethodDecl *MD = Node->getMethodDecl();
1516 if (MD && isa<CXXConversionDecl>(MD)) {
1517 PrintExpr(Node->getImplicitObjectArgument());
1520 VisitCallExpr(cast<CallExpr>(Node));
1523 void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
1524 PrintExpr(Node->getCallee());
1526 PrintCallArgs(Node->getConfig());
1528 PrintCallArgs(Node);
1532 void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
1533 OS << Node->getCastName() << '<';
1534 Node->getTypeAsWritten().print(OS, Policy);
1536 PrintExpr(Node->getSubExpr());
1540 void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
1541 VisitCXXNamedCastExpr(Node);
1544 void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
1545 VisitCXXNamedCastExpr(Node);
1548 void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
1549 VisitCXXNamedCastExpr(Node);
1552 void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
1553 VisitCXXNamedCastExpr(Node);
1556 void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
1558 if (Node->isTypeOperand()) {
1559 Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
1561 PrintExpr(Node->getExprOperand());
1566 void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
1568 if (Node->isTypeOperand()) {
1569 Node->getTypeOperandSourceInfo()->getType().print(OS, Policy);
1571 PrintExpr(Node->getExprOperand());
1576 void StmtPrinter::VisitMSPropertyRefExpr(MSPropertyRefExpr *Node) {
1577 PrintExpr(Node->getBaseExpr());
1578 if (Node->isArrow())
1582 if (NestedNameSpecifier *Qualifier =
1583 Node->getQualifierLoc().getNestedNameSpecifier())
1584 Qualifier->print(OS, Policy);
1585 OS << Node->getPropertyDecl()->getDeclName();
1588 void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
1589 switch (Node->getLiteralOperatorKind()) {
1590 case UserDefinedLiteral::LOK_Raw:
1591 OS << cast<StringLiteral>(Node->getArg(0)->IgnoreImpCasts())->getString();
1593 case UserDefinedLiteral::LOK_Template: {
1594 DeclRefExpr *DRE = cast<DeclRefExpr>(Node->getCallee()->IgnoreImpCasts());
1595 const TemplateArgumentList *Args =
1596 cast<FunctionDecl>(DRE->getDecl())->getTemplateSpecializationArgs();
1598 const TemplateArgument &Pack = Args->get(0);
1599 for (const auto &P : Pack.pack_elements()) {
1600 char C = (char)P.getAsIntegral().getZExtValue();
1605 case UserDefinedLiteral::LOK_Integer: {
1606 // Print integer literal without suffix.
1607 IntegerLiteral *Int = cast<IntegerLiteral>(Node->getCookedLiteral());
1608 OS << Int->getValue().toString(10, /*isSigned*/false);
1611 case UserDefinedLiteral::LOK_Floating: {
1612 // Print floating literal without suffix.
1613 FloatingLiteral *Float = cast<FloatingLiteral>(Node->getCookedLiteral());
1614 PrintFloatingLiteral(OS, Float, /*PrintSuffix=*/false);
1617 case UserDefinedLiteral::LOK_String:
1618 case UserDefinedLiteral::LOK_Character:
1619 PrintExpr(Node->getCookedLiteral());
1622 OS << Node->getUDSuffix()->getName();
1625 void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
1626 OS << (Node->getValue() ? "true" : "false");
1629 void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
1633 void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
1637 void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
1638 if (!Node->getSubExpr())
1642 PrintExpr(Node->getSubExpr());
1646 void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
1647 // Nothing to print: we picked up the default argument.
1650 void StmtPrinter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Node) {
1651 // Nothing to print: we picked up the default initializer.
1654 void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
1655 Node->getType().print(OS, Policy);
1657 PrintExpr(Node->getSubExpr());
1661 void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
1662 PrintExpr(Node->getSubExpr());
1665 void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
1666 Node->getType().print(OS, Policy);
1668 for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
1669 ArgEnd = Node->arg_end();
1670 Arg != ArgEnd; ++Arg) {
1671 if (Arg->isDefaultArgument())
1673 if (Arg != Node->arg_begin())
1680 void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
1682 bool NeedComma = false;
1683 switch (Node->getCaptureDefault()) {
1697 for (LambdaExpr::capture_iterator C = Node->explicit_capture_begin(),
1698 CEnd = Node->explicit_capture_end();
1705 switch (C->getCaptureKind()) {
1711 if (Node->getCaptureDefault() != LCD_ByRef || C->isInitCapture())
1713 OS << C->getCapturedVar()->getName();
1717 OS << C->getCapturedVar()->getName();
1721 if (C->isInitCapture())
1722 PrintExpr(C->getCapturedVar()->getInit());
1726 if (Node->hasExplicitParameters()) {
1728 CXXMethodDecl *Method = Node->getCallOperator();
1730 for (auto P : Method->params()) {
1736 std::string ParamStr = P->getNameAsString();
1737 P->getOriginalType().print(OS, Policy, ParamStr);
1739 if (Method->isVariadic()) {
1746 if (Node->isMutable())
1749 const FunctionProtoType *Proto
1750 = Method->getType()->getAs<FunctionProtoType>();
1751 Proto->printExceptionSpecification(OS, Policy);
1753 // FIXME: Attributes
1755 // Print the trailing return type if it was specified in the source.
1756 if (Node->hasExplicitResultType()) {
1758 Proto->getReturnType().print(OS, Policy);
1763 CompoundStmt *Body = Node->getBody();
1768 void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
1769 if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
1770 TSInfo->getType().print(OS, Policy);
1772 Node->getType().print(OS, Policy);
1776 void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
1777 if (E->isGlobalNew())
1780 unsigned NumPlace = E->getNumPlacementArgs();
1781 if (NumPlace > 0 && !isa<CXXDefaultArgExpr>(E->getPlacementArg(0))) {
1783 PrintExpr(E->getPlacementArg(0));
1784 for (unsigned i = 1; i < NumPlace; ++i) {
1785 if (isa<CXXDefaultArgExpr>(E->getPlacementArg(i)))
1788 PrintExpr(E->getPlacementArg(i));
1792 if (E->isParenTypeId())
1795 if (Expr *Size = E->getArraySize()) {
1796 llvm::raw_string_ostream s(TypeS);
1798 Size->printPretty(s, Helper, Policy);
1801 E->getAllocatedType().print(OS, Policy, TypeS);
1802 if (E->isParenTypeId())
1805 CXXNewExpr::InitializationStyle InitStyle = E->getInitializationStyle();
1807 if (InitStyle == CXXNewExpr::CallInit)
1809 PrintExpr(E->getInitializer());
1810 if (InitStyle == CXXNewExpr::CallInit)
1815 void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1816 if (E->isGlobalDelete())
1819 if (E->isArrayForm())
1821 PrintExpr(E->getArgument());
1824 void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1825 PrintExpr(E->getBase());
1830 if (E->getQualifier())
1831 E->getQualifier()->print(OS, Policy);
1834 if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
1835 OS << II->getName();
1837 E->getDestroyedType().print(OS, Policy);
1840 void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
1841 if (E->isListInitialization())
1844 for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
1845 if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
1846 // Don't print any defaulted arguments
1851 PrintExpr(E->getArg(i));
1854 if (E->isListInitialization())
1858 void StmtPrinter::VisitCXXStdInitializerListExpr(CXXStdInitializerListExpr *E) {
1859 PrintExpr(E->getSubExpr());
1862 void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
1863 // Just forward to the subexpression.
1864 PrintExpr(E->getSubExpr());
1868 StmtPrinter::VisitCXXUnresolvedConstructExpr(
1869 CXXUnresolvedConstructExpr *Node) {
1870 Node->getTypeAsWritten().print(OS, Policy);
1872 for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
1873 ArgEnd = Node->arg_end();
1874 Arg != ArgEnd; ++Arg) {
1875 if (Arg != Node->arg_begin())
1882 void StmtPrinter::VisitCXXDependentScopeMemberExpr(
1883 CXXDependentScopeMemberExpr *Node) {
1884 if (!Node->isImplicitAccess()) {
1885 PrintExpr(Node->getBase());
1886 OS << (Node->isArrow() ? "->" : ".");
1888 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1889 Qualifier->print(OS, Policy);
1890 if (Node->hasTemplateKeyword())
1892 OS << Node->getMemberNameInfo();
1893 if (Node->hasExplicitTemplateArgs())
1894 TemplateSpecializationType::PrintTemplateArgumentList(
1895 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1898 void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
1899 if (!Node->isImplicitAccess()) {
1900 PrintExpr(Node->getBase());
1901 OS << (Node->isArrow() ? "->" : ".");
1903 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1904 Qualifier->print(OS, Policy);
1905 if (Node->hasTemplateKeyword())
1907 OS << Node->getMemberNameInfo();
1908 if (Node->hasExplicitTemplateArgs())
1909 TemplateSpecializationType::PrintTemplateArgumentList(
1910 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1913 static const char *getTypeTraitName(TypeTrait TT) {
1915 #define TYPE_TRAIT_1(Spelling, Name, Key) \
1916 case clang::UTT_##Name: return #Spelling;
1917 #define TYPE_TRAIT_2(Spelling, Name, Key) \
1918 case clang::BTT_##Name: return #Spelling;
1919 #define TYPE_TRAIT_N(Spelling, Name, Key) \
1920 case clang::TT_##Name: return #Spelling;
1921 #include "clang/Basic/TokenKinds.def"
1923 llvm_unreachable("Type trait not covered by switch");
1926 static const char *getTypeTraitName(ArrayTypeTrait ATT) {
1928 case ATT_ArrayRank: return "__array_rank";
1929 case ATT_ArrayExtent: return "__array_extent";
1931 llvm_unreachable("Array type trait not covered by switch");
1934 static const char *getExpressionTraitName(ExpressionTrait ET) {
1936 case ET_IsLValueExpr: return "__is_lvalue_expr";
1937 case ET_IsRValueExpr: return "__is_rvalue_expr";
1939 llvm_unreachable("Expression type trait not covered by switch");
1942 void StmtPrinter::VisitTypeTraitExpr(TypeTraitExpr *E) {
1943 OS << getTypeTraitName(E->getTrait()) << "(";
1944 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) {
1947 E->getArg(I)->getType().print(OS, Policy);
1952 void StmtPrinter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1953 OS << getTypeTraitName(E->getTrait()) << '(';
1954 E->getQueriedType().print(OS, Policy);
1958 void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1959 OS << getExpressionTraitName(E->getTrait()) << '(';
1960 PrintExpr(E->getQueriedExpression());
1964 void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1966 PrintExpr(E->getOperand());
1970 void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
1971 PrintExpr(E->getPattern());
1975 void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
1976 OS << "sizeof...(" << *E->getPack() << ")";
1979 void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
1980 SubstNonTypeTemplateParmPackExpr *Node) {
1981 OS << *Node->getParameterPack();
1984 void StmtPrinter::VisitSubstNonTypeTemplateParmExpr(
1985 SubstNonTypeTemplateParmExpr *Node) {
1986 Visit(Node->getReplacement());
1989 void StmtPrinter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
1990 OS << *E->getParameterPack();
1993 void StmtPrinter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *Node){
1994 PrintExpr(Node->GetTemporaryExpr());
1999 void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
2001 VisitStringLiteral(Node->getString());
2004 void StmtPrinter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
2006 Visit(E->getSubExpr());
2009 void StmtPrinter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
2011 StmtRange ch = E->children();
2012 if (ch.first != ch.second) {
2016 if (ch.first == ch.second) break;
2023 void StmtPrinter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
2025 for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) {
2029 ObjCDictionaryElement Element = E->getKeyValueElement(I);
2032 Visit(Element.Value);
2033 if (Element.isPackExpansion())
2039 void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
2041 Node->getEncodedType().print(OS, Policy);
2045 void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
2047 Node->getSelector().print(OS);
2051 void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
2052 OS << "@protocol(" << *Node->getProtocol() << ')';
2055 void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
2057 switch (Mess->getReceiverKind()) {
2058 case ObjCMessageExpr::Instance:
2059 PrintExpr(Mess->getInstanceReceiver());
2062 case ObjCMessageExpr::Class:
2063 Mess->getClassReceiver().print(OS, Policy);
2066 case ObjCMessageExpr::SuperInstance:
2067 case ObjCMessageExpr::SuperClass:
2073 Selector selector = Mess->getSelector();
2074 if (selector.isUnarySelector()) {
2075 OS << selector.getNameForSlot(0);
2077 for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
2078 if (i < selector.getNumArgs()) {
2079 if (i > 0) OS << ' ';
2080 if (selector.getIdentifierInfoForSlot(i))
2081 OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
2085 else OS << ", "; // Handle variadic methods.
2087 PrintExpr(Mess->getArg(i));
2093 void StmtPrinter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Node) {
2094 OS << (Node->getValue() ? "__objc_yes" : "__objc_no");
2098 StmtPrinter::VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
2099 PrintExpr(E->getSubExpr());
2103 StmtPrinter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
2104 OS << '(' << E->getBridgeKindName();
2105 E->getType().print(OS, Policy);
2107 PrintExpr(E->getSubExpr());
2110 void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
2111 BlockDecl *BD = Node->getBlockDecl();
2114 const FunctionType *AFT = Node->getFunctionType();
2116 if (isa<FunctionNoProtoType>(AFT)) {
2118 } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
2120 for (BlockDecl::param_iterator AI = BD->param_begin(),
2121 E = BD->param_end(); AI != E; ++AI) {
2122 if (AI != BD->param_begin()) OS << ", ";
2123 std::string ParamStr = (*AI)->getNameAsString();
2124 (*AI)->getType().print(OS, Policy, ParamStr);
2127 const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
2128 if (FT->isVariadic()) {
2129 if (!BD->param_empty()) OS << ", ";
2137 void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {
2138 PrintExpr(Node->getSourceExpr());
2141 void StmtPrinter::VisitAsTypeExpr(AsTypeExpr *Node) {
2142 OS << "__builtin_astype(";
2143 PrintExpr(Node->getSrcExpr());
2145 Node->getType().print(OS, Policy);
2149 //===----------------------------------------------------------------------===//
2150 // Stmt method implementations
2151 //===----------------------------------------------------------------------===//
2153 void Stmt::dumpPretty(const ASTContext &Context) const {
2154 printPretty(llvm::errs(), nullptr, PrintingPolicy(Context.getLangOpts()));
2157 void Stmt::printPretty(raw_ostream &OS,
2158 PrinterHelper *Helper,
2159 const PrintingPolicy &Policy,
2160 unsigned Indentation) const {
2161 StmtPrinter P(OS, Helper, Policy, Indentation);
2162 P.Visit(const_cast<Stmt*>(this));
2165 //===----------------------------------------------------------------------===//
2167 //===----------------------------------------------------------------------===//
2169 // Implement virtual destructor.
2170 PrinterHelper::~PrinterHelper() {}