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);
74 void PrintExpr(Expr *E) {
81 raw_ostream &Indent(int Delta = 0) {
82 for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
88 if (Helper && Helper->handledStmt(S,OS))
90 else StmtVisitor<StmtPrinter>::Visit(S);
93 void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
94 Indent() << "<<unknown stmt type>>\n";
96 void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
97 OS << "<<unknown expr type>>";
99 void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
101 #define ABSTRACT_STMT(CLASS)
102 #define STMT(CLASS, PARENT) \
103 void Visit##CLASS(CLASS *Node);
104 #include "clang/AST/StmtNodes.inc"
108 //===----------------------------------------------------------------------===//
109 // Stmt printing methods.
110 //===----------------------------------------------------------------------===//
112 /// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
113 /// with no newline after the }.
114 void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
116 for (CompoundStmt::body_iterator I = Node->body_begin(), E = Node->body_end();
123 void StmtPrinter::PrintRawDecl(Decl *D) {
124 D->print(OS, Policy, IndentLevel);
127 void StmtPrinter::PrintRawDeclStmt(const DeclStmt *S) {
128 DeclStmt::const_decl_iterator Begin = S->decl_begin(), End = S->decl_end();
129 SmallVector<Decl*, 2> Decls;
130 for ( ; Begin != End; ++Begin)
131 Decls.push_back(*Begin);
133 Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
136 void StmtPrinter::VisitNullStmt(NullStmt *Node) {
140 void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
142 PrintRawDeclStmt(Node);
146 void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
148 PrintRawCompoundStmt(Node);
152 void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
153 Indent(-1) << "case ";
154 PrintExpr(Node->getLHS());
155 if (Node->getRHS()) {
157 PrintExpr(Node->getRHS());
161 PrintStmt(Node->getSubStmt(), 0);
164 void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
165 Indent(-1) << "default:\n";
166 PrintStmt(Node->getSubStmt(), 0);
169 void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
170 Indent(-1) << Node->getName() << ":\n";
171 PrintStmt(Node->getSubStmt(), 0);
174 void StmtPrinter::VisitAttributedStmt(AttributedStmt *Node) {
177 for (ArrayRef<const Attr*>::iterator it = Node->getAttrs().begin(),
178 end = Node->getAttrs().end();
185 (*it)->printPretty(OS, Policy);
188 PrintStmt(Node->getSubStmt(), 0);
191 void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
193 if (const DeclStmt *DS = If->getConditionVariableDeclStmt())
194 PrintRawDeclStmt(DS);
196 PrintExpr(If->getCond());
199 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
201 PrintRawCompoundStmt(CS);
202 OS << (If->getElse() ? ' ' : '\n');
205 PrintStmt(If->getThen());
206 if (If->getElse()) Indent();
209 if (Stmt *Else = If->getElse()) {
212 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
214 PrintRawCompoundStmt(CS);
216 } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) {
218 PrintRawIfStmt(ElseIf);
221 PrintStmt(If->getElse());
226 void StmtPrinter::VisitIfStmt(IfStmt *If) {
231 void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
232 Indent() << "switch (";
233 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
234 PrintRawDeclStmt(DS);
236 PrintExpr(Node->getCond());
239 // Pretty print compoundstmt bodies (very common).
240 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
242 PrintRawCompoundStmt(CS);
246 PrintStmt(Node->getBody());
250 void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
251 Indent() << "while (";
252 if (const DeclStmt *DS = Node->getConditionVariableDeclStmt())
253 PrintRawDeclStmt(DS);
255 PrintExpr(Node->getCond());
257 PrintStmt(Node->getBody());
260 void StmtPrinter::VisitDoStmt(DoStmt *Node) {
262 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
263 PrintRawCompoundStmt(CS);
267 PrintStmt(Node->getBody());
272 PrintExpr(Node->getCond());
276 void StmtPrinter::VisitForStmt(ForStmt *Node) {
278 if (Node->getInit()) {
279 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit()))
280 PrintRawDeclStmt(DS);
282 PrintExpr(cast<Expr>(Node->getInit()));
285 if (Node->getCond()) {
287 PrintExpr(Node->getCond());
290 if (Node->getInc()) {
292 PrintExpr(Node->getInc());
296 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
297 PrintRawCompoundStmt(CS);
301 PrintStmt(Node->getBody());
305 void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
307 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement()))
308 PrintRawDeclStmt(DS);
310 PrintExpr(cast<Expr>(Node->getElement()));
312 PrintExpr(Node->getCollection());
315 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
316 PrintRawCompoundStmt(CS);
320 PrintStmt(Node->getBody());
324 void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
326 PrintingPolicy SubPolicy(Policy);
327 SubPolicy.SuppressInitializers = true;
328 Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
330 PrintExpr(Node->getRangeInit());
332 PrintStmt(Node->getBody());
336 void StmtPrinter::VisitMSDependentExistsStmt(MSDependentExistsStmt *Node) {
338 if (Node->isIfExists())
339 OS << "__if_exists (";
341 OS << "__if_not_exists (";
343 if (NestedNameSpecifier *Qualifier
344 = Node->getQualifierLoc().getNestedNameSpecifier())
345 Qualifier->print(OS, Policy);
347 OS << Node->getNameInfo() << ") ";
349 PrintRawCompoundStmt(Node->getSubStmt());
352 void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
353 Indent() << "goto " << Node->getLabel()->getName() << ";\n";
356 void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
357 Indent() << "goto *";
358 PrintExpr(Node->getTarget());
362 void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
363 Indent() << "continue;\n";
366 void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
367 Indent() << "break;\n";
371 void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
372 Indent() << "return";
373 if (Node->getRetValue()) {
375 PrintExpr(Node->getRetValue());
381 void StmtPrinter::VisitGCCAsmStmt(GCCAsmStmt *Node) {
384 if (Node->isVolatile())
388 VisitStringLiteral(Node->getAsmString());
391 if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
392 Node->getNumClobbers() != 0)
395 for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
399 if (!Node->getOutputName(i).empty()) {
401 OS << Node->getOutputName(i);
405 VisitStringLiteral(Node->getOutputConstraintLiteral(i));
407 Visit(Node->getOutputExpr(i));
411 if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
414 for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
418 if (!Node->getInputName(i).empty()) {
420 OS << Node->getInputName(i);
424 VisitStringLiteral(Node->getInputConstraintLiteral(i));
426 Visit(Node->getInputExpr(i));
430 if (Node->getNumClobbers() != 0)
433 for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
437 VisitStringLiteral(Node->getClobberStringLiteral(i));
443 void StmtPrinter::VisitMSAsmStmt(MSAsmStmt *Node) {
444 // FIXME: Implement MS style inline asm statement printer.
445 Indent() << "__asm ";
446 if (Node->hasBraces())
448 OS << Node->getAsmString() << "\n";
449 if (Node->hasBraces())
453 void StmtPrinter::VisitCapturedStmt(CapturedStmt *Node) {
454 PrintStmt(Node->getCapturedDecl()->getBody());
457 void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
459 if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
460 PrintRawCompoundStmt(TS);
464 for (unsigned I = 0, N = Node->getNumCatchStmts(); I != N; ++I) {
465 ObjCAtCatchStmt *catchStmt = Node->getCatchStmt(I);
466 Indent() << "@catch(";
467 if (catchStmt->getCatchParamDecl()) {
468 if (Decl *DS = catchStmt->getCatchParamDecl())
472 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
473 PrintRawCompoundStmt(CS);
478 if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
479 Node->getFinallyStmt())) {
480 Indent() << "@finally";
481 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
486 void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
489 void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
490 Indent() << "@catch (...) { /* todo */ } \n";
493 void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
494 Indent() << "@throw";
495 if (Node->getThrowExpr()) {
497 PrintExpr(Node->getThrowExpr());
502 void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
503 Indent() << "@synchronized (";
504 PrintExpr(Node->getSynchExpr());
506 PrintRawCompoundStmt(Node->getSynchBody());
510 void StmtPrinter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *Node) {
511 Indent() << "@autoreleasepool";
512 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(Node->getSubStmt()));
516 void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
518 if (Decl *ExDecl = Node->getExceptionDecl())
519 PrintRawDecl(ExDecl);
523 PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
526 void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
528 PrintRawCXXCatchStmt(Node);
532 void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
534 PrintRawCompoundStmt(Node->getTryBlock());
535 for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
537 PrintRawCXXCatchStmt(Node->getHandler(i));
542 void StmtPrinter::VisitSEHTryStmt(SEHTryStmt *Node) {
543 Indent() << (Node->getIsCXXTry() ? "try " : "__try ");
544 PrintRawCompoundStmt(Node->getTryBlock());
545 SEHExceptStmt *E = Node->getExceptHandler();
546 SEHFinallyStmt *F = Node->getFinallyHandler();
548 PrintRawSEHExceptHandler(E);
550 assert(F && "Must have a finally block...");
551 PrintRawSEHFinallyStmt(F);
556 void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
558 PrintRawCompoundStmt(Node->getBlock());
562 void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
564 VisitExpr(Node->getFilterExpr());
566 PrintRawCompoundStmt(Node->getBlock());
570 void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
572 PrintRawSEHExceptHandler(Node);
576 void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
578 PrintRawSEHFinallyStmt(Node);
582 //===----------------------------------------------------------------------===//
583 // Expr printing methods.
584 //===----------------------------------------------------------------------===//
586 void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
587 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
588 Qualifier->print(OS, Policy);
589 if (Node->hasTemplateKeyword())
591 OS << Node->getNameInfo();
592 if (Node->hasExplicitTemplateArgs())
593 TemplateSpecializationType::PrintTemplateArgumentList(
594 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
597 void StmtPrinter::VisitDependentScopeDeclRefExpr(
598 DependentScopeDeclRefExpr *Node) {
599 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
600 Qualifier->print(OS, Policy);
601 if (Node->hasTemplateKeyword())
603 OS << Node->getNameInfo();
604 if (Node->hasExplicitTemplateArgs())
605 TemplateSpecializationType::PrintTemplateArgumentList(
606 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
609 void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
610 if (Node->getQualifier())
611 Node->getQualifier()->print(OS, Policy);
612 if (Node->hasTemplateKeyword())
614 OS << Node->getNameInfo();
615 if (Node->hasExplicitTemplateArgs())
616 TemplateSpecializationType::PrintTemplateArgumentList(
617 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
620 void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
621 if (Node->getBase()) {
622 PrintExpr(Node->getBase());
623 OS << (Node->isArrow() ? "->" : ".");
625 OS << *Node->getDecl();
628 void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
629 if (Node->isSuperReceiver())
631 else if (Node->getBase()) {
632 PrintExpr(Node->getBase());
636 if (Node->isImplicitProperty())
637 OS << Node->getImplicitPropertyGetter()->getSelector().getAsString();
639 OS << Node->getExplicitProperty()->getName();
642 void StmtPrinter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *Node) {
644 PrintExpr(Node->getBaseExpr());
646 PrintExpr(Node->getKeyExpr());
650 void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
651 switch (Node->getIdentType()) {
653 llvm_unreachable("unknown case");
654 case PredefinedExpr::Func:
657 case PredefinedExpr::Function:
658 OS << "__FUNCTION__";
660 case PredefinedExpr::LFunction:
661 OS << "L__FUNCTION__";
663 case PredefinedExpr::PrettyFunction:
664 OS << "__PRETTY_FUNCTION__";
669 void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
670 unsigned value = Node->getValue();
672 switch (Node->getKind()) {
673 case CharacterLiteral::Ascii: break; // no prefix.
674 case CharacterLiteral::Wide: OS << 'L'; break;
675 case CharacterLiteral::UTF16: OS << 'u'; break;
676 case CharacterLiteral::UTF32: OS << 'U'; break;
687 // TODO: K&R: the meaning of '\\a' is different in traditional C
693 // Nonstandard escape sequence.
713 if (value < 256 && isPrintable((unsigned char)value))
714 OS << "'" << (char)value << "'";
715 else if (value < 256)
716 OS << "'\\x" << llvm::format("%02x", value) << "'";
717 else if (value <= 0xFFFF)
718 OS << "'\\u" << llvm::format("%04x", value) << "'";
720 OS << "'\\U" << llvm::format("%08x", value) << "'";
724 void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
725 bool isSigned = Node->getType()->isSignedIntegerType();
726 OS << Node->getValue().toString(10, isSigned);
728 // Emit suffixes. Integer literals are always a builtin integer type.
729 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
730 default: llvm_unreachable("Unexpected type for integer literal!");
731 // FIXME: The Short and UShort cases are to handle cases where a short
732 // integeral literal is formed during template instantiation. They should
733 // be removed when template instantiation no longer needs integer literals.
734 case BuiltinType::Short:
735 case BuiltinType::UShort:
736 case BuiltinType::Int: break; // no suffix.
737 case BuiltinType::UInt: OS << 'U'; break;
738 case BuiltinType::Long: OS << 'L'; break;
739 case BuiltinType::ULong: OS << "UL"; break;
740 case BuiltinType::LongLong: OS << "LL"; break;
741 case BuiltinType::ULongLong: OS << "ULL"; break;
742 case BuiltinType::Int128: OS << "i128"; break;
743 case BuiltinType::UInt128: OS << "Ui128"; break;
747 static void PrintFloatingLiteral(raw_ostream &OS, FloatingLiteral *Node,
750 Node->getValue().toString(Str);
752 if (Str.find_first_not_of("-0123456789") == StringRef::npos)
753 OS << '.'; // Trailing dot in order to separate from ints.
758 // Emit suffixes. Float literals are always a builtin float type.
759 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
760 default: llvm_unreachable("Unexpected type for float literal!");
761 case BuiltinType::Half: break; // FIXME: suffix?
762 case BuiltinType::Double: break; // no suffix.
763 case BuiltinType::Float: OS << 'F'; break;
764 case BuiltinType::LongDouble: OS << 'L'; break;
768 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
769 PrintFloatingLiteral(OS, Node, /*PrintSuffix=*/true);
772 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
773 PrintExpr(Node->getSubExpr());
777 void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
778 Str->outputString(OS);
780 void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
782 PrintExpr(Node->getSubExpr());
785 void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
786 if (!Node->isPostfix()) {
787 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
789 // Print a space if this is an "identifier operator" like __real, or if
790 // it might be concatenated incorrectly like '+'.
791 switch (Node->getOpcode()) {
800 if (isa<UnaryOperator>(Node->getSubExpr()))
805 PrintExpr(Node->getSubExpr());
807 if (Node->isPostfix())
808 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
811 void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
812 OS << "__builtin_offsetof(";
813 Node->getTypeSourceInfo()->getType().print(OS, Policy);
815 bool PrintedSomething = false;
816 for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
817 OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i);
818 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) {
821 PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
823 PrintedSomething = true;
827 // Skip implicit base indirections.
828 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base)
831 // Field or identifier node.
832 IdentifierInfo *Id = ON.getFieldName();
836 if (PrintedSomething)
839 PrintedSomething = true;
845 void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *Node){
846 switch(Node->getKind()) {
851 if (Policy.LangOpts.CPlusPlus)
853 else if (Policy.LangOpts.C11)
862 if (Node->isArgumentType()) {
864 Node->getArgumentType().print(OS, Policy);
868 PrintExpr(Node->getArgumentExpr());
872 void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
874 PrintExpr(Node->getControllingExpr());
875 for (unsigned i = 0; i != Node->getNumAssocs(); ++i) {
877 QualType T = Node->getAssocType(i);
883 PrintExpr(Node->getAssocExpr(i));
888 void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
889 PrintExpr(Node->getLHS());
891 PrintExpr(Node->getRHS());
895 void StmtPrinter::PrintCallArgs(CallExpr *Call) {
896 for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
897 if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
898 // Don't print any defaulted arguments
903 PrintExpr(Call->getArg(i));
907 void StmtPrinter::VisitCallExpr(CallExpr *Call) {
908 PrintExpr(Call->getCallee());
913 void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
914 // FIXME: Suppress printing implicit bases (like "this")
915 PrintExpr(Node->getBase());
917 MemberExpr *ParentMember = dyn_cast<MemberExpr>(Node->getBase());
918 FieldDecl *ParentDecl = ParentMember
919 ? dyn_cast<FieldDecl>(ParentMember->getMemberDecl()) : NULL;
921 if (!ParentDecl || !ParentDecl->isAnonymousStructOrUnion())
922 OS << (Node->isArrow() ? "->" : ".");
924 if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
925 if (FD->isAnonymousStructOrUnion())
928 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
929 Qualifier->print(OS, Policy);
930 if (Node->hasTemplateKeyword())
932 OS << Node->getMemberNameInfo();
933 if (Node->hasExplicitTemplateArgs())
934 TemplateSpecializationType::PrintTemplateArgumentList(
935 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
937 void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
938 PrintExpr(Node->getBase());
939 OS << (Node->isArrow() ? "->isa" : ".isa");
942 void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
943 PrintExpr(Node->getBase());
945 OS << Node->getAccessor().getName();
947 void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
949 Node->getTypeAsWritten().print(OS, Policy);
951 PrintExpr(Node->getSubExpr());
953 void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
955 Node->getType().print(OS, Policy);
957 PrintExpr(Node->getInitializer());
959 void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
960 // No need to print anything, simply forward to the sub expression.
961 PrintExpr(Node->getSubExpr());
963 void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
964 PrintExpr(Node->getLHS());
965 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
966 PrintExpr(Node->getRHS());
968 void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
969 PrintExpr(Node->getLHS());
970 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
971 PrintExpr(Node->getRHS());
973 void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
974 PrintExpr(Node->getCond());
976 PrintExpr(Node->getLHS());
978 PrintExpr(Node->getRHS());
984 StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
985 PrintExpr(Node->getCommon());
987 PrintExpr(Node->getFalseExpr());
989 void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
990 OS << "&&" << Node->getLabel()->getName();
993 void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
995 PrintRawCompoundStmt(E->getSubStmt());
999 void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
1000 OS << "__builtin_choose_expr(";
1001 PrintExpr(Node->getCond());
1003 PrintExpr(Node->getLHS());
1005 PrintExpr(Node->getRHS());
1009 void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
1013 void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
1014 OS << "__builtin_shufflevector(";
1015 for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
1017 PrintExpr(Node->getExpr(i));
1022 void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
1023 if (Node->getSyntacticForm()) {
1024 Visit(Node->getSyntacticForm());
1029 for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
1031 if (Node->getInit(i))
1032 PrintExpr(Node->getInit(i));
1039 void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
1041 for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
1043 PrintExpr(Node->getExpr(i));
1048 void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
1049 for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
1050 DEnd = Node->designators_end();
1052 if (D->isFieldDesignator()) {
1053 if (D->getDotLoc().isInvalid())
1054 OS << D->getFieldName()->getName() << ":";
1056 OS << "." << D->getFieldName()->getName();
1059 if (D->isArrayDesignator()) {
1060 PrintExpr(Node->getArrayIndex(*D));
1062 PrintExpr(Node->getArrayRangeStart(*D));
1064 PrintExpr(Node->getArrayRangeEnd(*D));
1071 PrintExpr(Node->getInit());
1074 void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
1075 if (Policy.LangOpts.CPlusPlus) {
1076 OS << "/*implicit*/";
1077 Node->getType().print(OS, Policy);
1080 OS << "/*implicit*/(";
1081 Node->getType().print(OS, Policy);
1083 if (Node->getType()->isRecordType())
1090 void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
1091 OS << "__builtin_va_arg(";
1092 PrintExpr(Node->getSubExpr());
1094 Node->getType().print(OS, Policy);
1098 void StmtPrinter::VisitPseudoObjectExpr(PseudoObjectExpr *Node) {
1099 PrintExpr(Node->getSyntacticForm());
1102 void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
1103 const char *Name = 0;
1104 switch (Node->getOp()) {
1105 #define BUILTIN(ID, TYPE, ATTRS)
1106 #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \
1107 case AtomicExpr::AO ## ID: \
1110 #include "clang/Basic/Builtins.def"
1114 // AtomicExpr stores its subexpressions in a permuted order.
1115 PrintExpr(Node->getPtr());
1116 if (Node->getOp() != AtomicExpr::AO__c11_atomic_load &&
1117 Node->getOp() != AtomicExpr::AO__atomic_load_n) {
1119 PrintExpr(Node->getVal1());
1121 if (Node->getOp() == AtomicExpr::AO__atomic_exchange ||
1122 Node->isCmpXChg()) {
1124 PrintExpr(Node->getVal2());
1126 if (Node->getOp() == AtomicExpr::AO__atomic_compare_exchange ||
1127 Node->getOp() == AtomicExpr::AO__atomic_compare_exchange_n) {
1129 PrintExpr(Node->getWeak());
1131 if (Node->getOp() != AtomicExpr::AO__c11_atomic_init) {
1133 PrintExpr(Node->getOrder());
1135 if (Node->isCmpXChg()) {
1137 PrintExpr(Node->getOrderFail());
1143 void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
1144 const char *OpStrings[NUM_OVERLOADED_OPERATORS] = {
1146 #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
1148 #include "clang/Basic/OperatorKinds.def"
1151 OverloadedOperatorKind Kind = Node->getOperator();
1152 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
1153 if (Node->getNumArgs() == 1) {
1154 OS << OpStrings[Kind] << ' ';
1155 PrintExpr(Node->getArg(0));
1157 PrintExpr(Node->getArg(0));
1158 OS << ' ' << OpStrings[Kind];
1160 } else if (Kind == OO_Arrow) {
1161 PrintExpr(Node->getArg(0));
1162 } else if (Kind == OO_Call) {
1163 PrintExpr(Node->getArg(0));
1165 for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
1168 if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
1169 PrintExpr(Node->getArg(ArgIdx));
1172 } else if (Kind == OO_Subscript) {
1173 PrintExpr(Node->getArg(0));
1175 PrintExpr(Node->getArg(1));
1177 } else if (Node->getNumArgs() == 1) {
1178 OS << OpStrings[Kind] << ' ';
1179 PrintExpr(Node->getArg(0));
1180 } else if (Node->getNumArgs() == 2) {
1181 PrintExpr(Node->getArg(0));
1182 OS << ' ' << OpStrings[Kind] << ' ';
1183 PrintExpr(Node->getArg(1));
1185 llvm_unreachable("unknown overloaded operator");
1189 void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
1190 VisitCallExpr(cast<CallExpr>(Node));
1193 void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
1194 PrintExpr(Node->getCallee());
1196 PrintCallArgs(Node->getConfig());
1198 PrintCallArgs(Node);
1202 void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
1203 OS << Node->getCastName() << '<';
1204 Node->getTypeAsWritten().print(OS, Policy);
1206 PrintExpr(Node->getSubExpr());
1210 void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
1211 VisitCXXNamedCastExpr(Node);
1214 void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
1215 VisitCXXNamedCastExpr(Node);
1218 void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
1219 VisitCXXNamedCastExpr(Node);
1222 void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
1223 VisitCXXNamedCastExpr(Node);
1226 void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
1228 if (Node->isTypeOperand()) {
1229 Node->getTypeOperand().print(OS, Policy);
1231 PrintExpr(Node->getExprOperand());
1236 void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
1238 if (Node->isTypeOperand()) {
1239 Node->getTypeOperand().print(OS, Policy);
1241 PrintExpr(Node->getExprOperand());
1246 void StmtPrinter::VisitMSPropertyRefExpr(MSPropertyRefExpr *Node) {
1247 PrintExpr(Node->getBaseExpr());
1248 if (Node->isArrow())
1252 if (NestedNameSpecifier *Qualifier =
1253 Node->getQualifierLoc().getNestedNameSpecifier())
1254 Qualifier->print(OS, Policy);
1255 OS << Node->getPropertyDecl()->getDeclName();
1258 void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
1259 switch (Node->getLiteralOperatorKind()) {
1260 case UserDefinedLiteral::LOK_Raw:
1261 OS << cast<StringLiteral>(Node->getArg(0)->IgnoreImpCasts())->getString();
1263 case UserDefinedLiteral::LOK_Template: {
1264 DeclRefExpr *DRE = cast<DeclRefExpr>(Node->getCallee()->IgnoreImpCasts());
1265 const TemplateArgumentList *Args =
1266 cast<FunctionDecl>(DRE->getDecl())->getTemplateSpecializationArgs();
1268 const TemplateArgument &Pack = Args->get(0);
1269 for (TemplateArgument::pack_iterator I = Pack.pack_begin(),
1270 E = Pack.pack_end(); I != E; ++I) {
1271 char C = (char)I->getAsIntegral().getZExtValue();
1276 case UserDefinedLiteral::LOK_Integer: {
1277 // Print integer literal without suffix.
1278 IntegerLiteral *Int = cast<IntegerLiteral>(Node->getCookedLiteral());
1279 OS << Int->getValue().toString(10, /*isSigned*/false);
1282 case UserDefinedLiteral::LOK_Floating: {
1283 // Print floating literal without suffix.
1284 FloatingLiteral *Float = cast<FloatingLiteral>(Node->getCookedLiteral());
1285 PrintFloatingLiteral(OS, Float, /*PrintSuffix=*/false);
1288 case UserDefinedLiteral::LOK_String:
1289 case UserDefinedLiteral::LOK_Character:
1290 PrintExpr(Node->getCookedLiteral());
1293 OS << Node->getUDSuffix()->getName();
1296 void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
1297 OS << (Node->getValue() ? "true" : "false");
1300 void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
1304 void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
1308 void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
1309 if (Node->getSubExpr() == 0)
1313 PrintExpr(Node->getSubExpr());
1317 void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
1318 // Nothing to print: we picked up the default argument.
1321 void StmtPrinter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *Node) {
1322 // Nothing to print: we picked up the default initializer.
1325 void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
1326 Node->getType().print(OS, Policy);
1328 PrintExpr(Node->getSubExpr());
1332 void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
1333 PrintExpr(Node->getSubExpr());
1336 void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
1337 Node->getType().print(OS, Policy);
1339 for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
1340 ArgEnd = Node->arg_end();
1341 Arg != ArgEnd; ++Arg) {
1342 if (Arg != Node->arg_begin())
1349 void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
1351 bool NeedComma = false;
1352 switch (Node->getCaptureDefault()) {
1366 for (LambdaExpr::capture_iterator C = Node->explicit_capture_begin(),
1367 CEnd = Node->explicit_capture_end();
1374 switch (C->getCaptureKind()) {
1380 if (Node->getCaptureDefault() != LCD_ByRef)
1382 OS << C->getCapturedVar()->getName();
1386 if (Node->getCaptureDefault() != LCD_ByCopy)
1388 OS << C->getCapturedVar()->getName();
1394 if (Node->hasExplicitParameters()) {
1396 CXXMethodDecl *Method = Node->getCallOperator();
1398 for (CXXMethodDecl::param_iterator P = Method->param_begin(),
1399 PEnd = Method->param_end();
1406 std::string ParamStr = (*P)->getNameAsString();
1407 (*P)->getOriginalType().print(OS, Policy, ParamStr);
1409 if (Method->isVariadic()) {
1416 if (Node->isMutable())
1419 const FunctionProtoType *Proto
1420 = Method->getType()->getAs<FunctionProtoType>();
1421 Proto->printExceptionSpecification(OS, Policy);
1423 // FIXME: Attributes
1425 // Print the trailing return type if it was specified in the source.
1426 if (Node->hasExplicitResultType()) {
1428 Proto->getResultType().print(OS, Policy);
1433 CompoundStmt *Body = Node->getBody();
1438 void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
1439 if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
1440 TSInfo->getType().print(OS, Policy);
1442 Node->getType().print(OS, Policy);
1446 void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
1447 if (E->isGlobalNew())
1450 unsigned NumPlace = E->getNumPlacementArgs();
1451 if (NumPlace > 0 && !isa<CXXDefaultArgExpr>(E->getPlacementArg(0))) {
1453 PrintExpr(E->getPlacementArg(0));
1454 for (unsigned i = 1; i < NumPlace; ++i) {
1455 if (isa<CXXDefaultArgExpr>(E->getPlacementArg(i)))
1458 PrintExpr(E->getPlacementArg(i));
1462 if (E->isParenTypeId())
1465 if (Expr *Size = E->getArraySize()) {
1466 llvm::raw_string_ostream s(TypeS);
1468 Size->printPretty(s, Helper, Policy);
1471 E->getAllocatedType().print(OS, Policy, TypeS);
1472 if (E->isParenTypeId())
1475 CXXNewExpr::InitializationStyle InitStyle = E->getInitializationStyle();
1477 if (InitStyle == CXXNewExpr::CallInit)
1479 PrintExpr(E->getInitializer());
1480 if (InitStyle == CXXNewExpr::CallInit)
1485 void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1486 if (E->isGlobalDelete())
1489 if (E->isArrayForm())
1491 PrintExpr(E->getArgument());
1494 void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1495 PrintExpr(E->getBase());
1500 if (E->getQualifier())
1501 E->getQualifier()->print(OS, Policy);
1504 if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
1505 OS << II->getName();
1507 E->getDestroyedType().print(OS, Policy);
1510 void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
1511 if (E->isListInitialization())
1514 for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
1515 if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
1516 // Don't print any defaulted arguments
1521 PrintExpr(E->getArg(i));
1524 if (E->isListInitialization())
1528 void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
1529 // Just forward to the sub expression.
1530 PrintExpr(E->getSubExpr());
1534 StmtPrinter::VisitCXXUnresolvedConstructExpr(
1535 CXXUnresolvedConstructExpr *Node) {
1536 Node->getTypeAsWritten().print(OS, Policy);
1538 for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
1539 ArgEnd = Node->arg_end();
1540 Arg != ArgEnd; ++Arg) {
1541 if (Arg != Node->arg_begin())
1548 void StmtPrinter::VisitCXXDependentScopeMemberExpr(
1549 CXXDependentScopeMemberExpr *Node) {
1550 if (!Node->isImplicitAccess()) {
1551 PrintExpr(Node->getBase());
1552 OS << (Node->isArrow() ? "->" : ".");
1554 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1555 Qualifier->print(OS, Policy);
1556 if (Node->hasTemplateKeyword())
1558 OS << Node->getMemberNameInfo();
1559 if (Node->hasExplicitTemplateArgs())
1560 TemplateSpecializationType::PrintTemplateArgumentList(
1561 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1564 void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
1565 if (!Node->isImplicitAccess()) {
1566 PrintExpr(Node->getBase());
1567 OS << (Node->isArrow() ? "->" : ".");
1569 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1570 Qualifier->print(OS, Policy);
1571 if (Node->hasTemplateKeyword())
1573 OS << Node->getMemberNameInfo();
1574 if (Node->hasExplicitTemplateArgs())
1575 TemplateSpecializationType::PrintTemplateArgumentList(
1576 OS, Node->getTemplateArgs(), Node->getNumTemplateArgs(), Policy);
1579 static const char *getTypeTraitName(UnaryTypeTrait UTT) {
1581 case UTT_HasNothrowAssign: return "__has_nothrow_assign";
1582 case UTT_HasNothrowMoveAssign: return "__has_nothrow_move_assign";
1583 case UTT_HasNothrowConstructor: return "__has_nothrow_constructor";
1584 case UTT_HasNothrowCopy: return "__has_nothrow_copy";
1585 case UTT_HasTrivialAssign: return "__has_trivial_assign";
1586 case UTT_HasTrivialMoveAssign: return "__has_trivial_move_assign";
1587 case UTT_HasTrivialMoveConstructor: return "__has_trivial_move_constructor";
1588 case UTT_HasTrivialDefaultConstructor: return "__has_trivial_constructor";
1589 case UTT_HasTrivialCopy: return "__has_trivial_copy";
1590 case UTT_HasTrivialDestructor: return "__has_trivial_destructor";
1591 case UTT_HasVirtualDestructor: return "__has_virtual_destructor";
1592 case UTT_IsAbstract: return "__is_abstract";
1593 case UTT_IsArithmetic: return "__is_arithmetic";
1594 case UTT_IsArray: return "__is_array";
1595 case UTT_IsClass: return "__is_class";
1596 case UTT_IsCompleteType: return "__is_complete_type";
1597 case UTT_IsCompound: return "__is_compound";
1598 case UTT_IsConst: return "__is_const";
1599 case UTT_IsEmpty: return "__is_empty";
1600 case UTT_IsEnum: return "__is_enum";
1601 case UTT_IsFinal: return "__is_final";
1602 case UTT_IsFloatingPoint: return "__is_floating_point";
1603 case UTT_IsFunction: return "__is_function";
1604 case UTT_IsFundamental: return "__is_fundamental";
1605 case UTT_IsIntegral: return "__is_integral";
1606 case UTT_IsInterfaceClass: return "__is_interface_class";
1607 case UTT_IsLiteral: return "__is_literal";
1608 case UTT_IsLvalueReference: return "__is_lvalue_reference";
1609 case UTT_IsMemberFunctionPointer: return "__is_member_function_pointer";
1610 case UTT_IsMemberObjectPointer: return "__is_member_object_pointer";
1611 case UTT_IsMemberPointer: return "__is_member_pointer";
1612 case UTT_IsObject: return "__is_object";
1613 case UTT_IsPOD: return "__is_pod";
1614 case UTT_IsPointer: return "__is_pointer";
1615 case UTT_IsPolymorphic: return "__is_polymorphic";
1616 case UTT_IsReference: return "__is_reference";
1617 case UTT_IsRvalueReference: return "__is_rvalue_reference";
1618 case UTT_IsScalar: return "__is_scalar";
1619 case UTT_IsSigned: return "__is_signed";
1620 case UTT_IsStandardLayout: return "__is_standard_layout";
1621 case UTT_IsTrivial: return "__is_trivial";
1622 case UTT_IsTriviallyCopyable: return "__is_trivially_copyable";
1623 case UTT_IsUnion: return "__is_union";
1624 case UTT_IsUnsigned: return "__is_unsigned";
1625 case UTT_IsVoid: return "__is_void";
1626 case UTT_IsVolatile: return "__is_volatile";
1628 llvm_unreachable("Type trait not covered by switch statement");
1631 static const char *getTypeTraitName(BinaryTypeTrait BTT) {
1633 case BTT_IsBaseOf: return "__is_base_of";
1634 case BTT_IsConvertible: return "__is_convertible";
1635 case BTT_IsSame: return "__is_same";
1636 case BTT_TypeCompatible: return "__builtin_types_compatible_p";
1637 case BTT_IsConvertibleTo: return "__is_convertible_to";
1638 case BTT_IsTriviallyAssignable: return "__is_trivially_assignable";
1640 llvm_unreachable("Binary type trait not covered by switch");
1643 static const char *getTypeTraitName(TypeTrait TT) {
1645 case clang::TT_IsTriviallyConstructible:return "__is_trivially_constructible";
1647 llvm_unreachable("Type trait not covered by switch");
1650 static const char *getTypeTraitName(ArrayTypeTrait ATT) {
1652 case ATT_ArrayRank: return "__array_rank";
1653 case ATT_ArrayExtent: return "__array_extent";
1655 llvm_unreachable("Array type trait not covered by switch");
1658 static const char *getExpressionTraitName(ExpressionTrait ET) {
1660 case ET_IsLValueExpr: return "__is_lvalue_expr";
1661 case ET_IsRValueExpr: return "__is_rvalue_expr";
1663 llvm_unreachable("Expression type trait not covered by switch");
1666 void StmtPrinter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
1667 OS << getTypeTraitName(E->getTrait()) << '(';
1668 E->getQueriedType().print(OS, Policy);
1672 void StmtPrinter::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
1673 OS << getTypeTraitName(E->getTrait()) << '(';
1674 E->getLhsType().print(OS, Policy);
1676 E->getRhsType().print(OS, Policy);
1680 void StmtPrinter::VisitTypeTraitExpr(TypeTraitExpr *E) {
1681 OS << getTypeTraitName(E->getTrait()) << "(";
1682 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) {
1685 E->getArg(I)->getType().print(OS, Policy);
1690 void StmtPrinter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1691 OS << getTypeTraitName(E->getTrait()) << '(';
1692 E->getQueriedType().print(OS, Policy);
1696 void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1697 OS << getExpressionTraitName(E->getTrait()) << '(';
1698 PrintExpr(E->getQueriedExpression());
1702 void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1704 PrintExpr(E->getOperand());
1708 void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
1709 PrintExpr(E->getPattern());
1713 void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
1714 OS << "sizeof...(" << *E->getPack() << ")";
1717 void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
1718 SubstNonTypeTemplateParmPackExpr *Node) {
1719 OS << *Node->getParameterPack();
1722 void StmtPrinter::VisitSubstNonTypeTemplateParmExpr(
1723 SubstNonTypeTemplateParmExpr *Node) {
1724 Visit(Node->getReplacement());
1727 void StmtPrinter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
1728 OS << *E->getParameterPack();
1731 void StmtPrinter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *Node){
1732 PrintExpr(Node->GetTemporaryExpr());
1737 void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
1739 VisitStringLiteral(Node->getString());
1742 void StmtPrinter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
1744 Visit(E->getSubExpr());
1747 void StmtPrinter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
1749 StmtRange ch = E->children();
1750 if (ch.first != ch.second) {
1754 if (ch.first == ch.second) break;
1761 void StmtPrinter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
1763 for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) {
1767 ObjCDictionaryElement Element = E->getKeyValueElement(I);
1770 Visit(Element.Value);
1771 if (Element.isPackExpansion())
1777 void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
1779 Node->getEncodedType().print(OS, Policy);
1783 void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
1784 OS << "@selector(" << Node->getSelector().getAsString() << ')';
1787 void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
1788 OS << "@protocol(" << *Node->getProtocol() << ')';
1791 void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
1793 switch (Mess->getReceiverKind()) {
1794 case ObjCMessageExpr::Instance:
1795 PrintExpr(Mess->getInstanceReceiver());
1798 case ObjCMessageExpr::Class:
1799 Mess->getClassReceiver().print(OS, Policy);
1802 case ObjCMessageExpr::SuperInstance:
1803 case ObjCMessageExpr::SuperClass:
1809 Selector selector = Mess->getSelector();
1810 if (selector.isUnarySelector()) {
1811 OS << selector.getNameForSlot(0);
1813 for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
1814 if (i < selector.getNumArgs()) {
1815 if (i > 0) OS << ' ';
1816 if (selector.getIdentifierInfoForSlot(i))
1817 OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
1821 else OS << ", "; // Handle variadic methods.
1823 PrintExpr(Mess->getArg(i));
1829 void StmtPrinter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Node) {
1830 OS << (Node->getValue() ? "__objc_yes" : "__objc_no");
1834 StmtPrinter::VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
1835 PrintExpr(E->getSubExpr());
1839 StmtPrinter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
1840 OS << '(' << E->getBridgeKindName();
1841 E->getType().print(OS, Policy);
1843 PrintExpr(E->getSubExpr());
1846 void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
1847 BlockDecl *BD = Node->getBlockDecl();
1850 const FunctionType *AFT = Node->getFunctionType();
1852 if (isa<FunctionNoProtoType>(AFT)) {
1854 } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
1856 for (BlockDecl::param_iterator AI = BD->param_begin(),
1857 E = BD->param_end(); AI != E; ++AI) {
1858 if (AI != BD->param_begin()) OS << ", ";
1859 std::string ParamStr = (*AI)->getNameAsString();
1860 (*AI)->getType().print(OS, Policy, ParamStr);
1863 const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
1864 if (FT->isVariadic()) {
1865 if (!BD->param_empty()) OS << ", ";
1873 void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {
1874 PrintExpr(Node->getSourceExpr());
1877 void StmtPrinter::VisitAsTypeExpr(AsTypeExpr *Node) {
1878 OS << "__builtin_astype(";
1879 PrintExpr(Node->getSrcExpr());
1881 Node->getType().print(OS, Policy);
1885 //===----------------------------------------------------------------------===//
1886 // Stmt method implementations
1887 //===----------------------------------------------------------------------===//
1889 void Stmt::dumpPretty(ASTContext &Context) const {
1890 printPretty(llvm::errs(), 0, PrintingPolicy(Context.getLangOpts()));
1893 void Stmt::printPretty(raw_ostream &OS,
1894 PrinterHelper *Helper,
1895 const PrintingPolicy &Policy,
1896 unsigned Indentation) const {
1902 StmtPrinter P(OS, Helper, Policy, Indentation);
1903 P.Visit(const_cast<Stmt*>(this));
1906 //===----------------------------------------------------------------------===//
1908 //===----------------------------------------------------------------------===//
1910 // Implement virtual destructor.
1911 PrinterHelper::~PrinterHelper() {}