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/StmtVisitor.h"
16 #include "clang/AST/DeclCXX.h"
17 #include "clang/AST/DeclObjC.h"
18 #include "clang/AST/DeclTemplate.h"
19 #include "clang/AST/PrettyPrinter.h"
20 #include "clang/AST/Expr.h"
21 #include "clang/AST/ExprCXX.h"
22 #include "llvm/ADT/SmallString.h"
23 using namespace clang;
25 //===----------------------------------------------------------------------===//
26 // StmtPrinter Visitor
27 //===----------------------------------------------------------------------===//
30 class StmtPrinter : public StmtVisitor<StmtPrinter> {
34 clang::PrinterHelper* Helper;
35 PrintingPolicy Policy;
38 StmtPrinter(raw_ostream &os, ASTContext &C, PrinterHelper* helper,
39 const PrintingPolicy &Policy,
40 unsigned Indentation = 0)
41 : OS(os), Context(C), IndentLevel(Indentation), Helper(helper),
44 void PrintStmt(Stmt *S) {
45 PrintStmt(S, Policy.Indentation);
48 void PrintStmt(Stmt *S, int SubIndent) {
49 IndentLevel += SubIndent;
50 if (S && isa<Expr>(S)) {
51 // If this is an expr used in a stmt context, indent and newline it.
58 Indent() << "<<<NULL STATEMENT>>>\n";
60 IndentLevel -= SubIndent;
63 void PrintRawCompoundStmt(CompoundStmt *S);
64 void PrintRawDecl(Decl *D);
65 void PrintRawDeclStmt(DeclStmt *S);
66 void PrintRawIfStmt(IfStmt *If);
67 void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
68 void PrintCallArgs(CallExpr *E);
69 void PrintRawSEHExceptHandler(SEHExceptStmt *S);
70 void PrintRawSEHFinallyStmt(SEHFinallyStmt *S);
72 void PrintExpr(Expr *E) {
79 raw_ostream &Indent(int Delta = 0) {
80 for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
86 if (Helper && Helper->handledStmt(S,OS))
88 else StmtVisitor<StmtPrinter>::Visit(S);
91 void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
92 Indent() << "<<unknown stmt type>>\n";
94 void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
95 OS << "<<unknown expr type>>";
97 void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
99 #define ABSTRACT_STMT(CLASS)
100 #define STMT(CLASS, PARENT) \
101 void Visit##CLASS(CLASS *Node);
102 #include "clang/AST/StmtNodes.inc"
106 //===----------------------------------------------------------------------===//
107 // Stmt printing methods.
108 //===----------------------------------------------------------------------===//
110 /// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
111 /// with no newline after the }.
112 void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
114 for (CompoundStmt::body_iterator I = Node->body_begin(), E = Node->body_end();
121 void StmtPrinter::PrintRawDecl(Decl *D) {
122 D->print(OS, Policy, IndentLevel);
125 void StmtPrinter::PrintRawDeclStmt(DeclStmt *S) {
126 DeclStmt::decl_iterator Begin = S->decl_begin(), End = S->decl_end();
127 SmallVector<Decl*, 2> Decls;
128 for ( ; Begin != End; ++Begin)
129 Decls.push_back(*Begin);
131 Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
134 void StmtPrinter::VisitNullStmt(NullStmt *Node) {
138 void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
140 PrintRawDeclStmt(Node);
144 void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
146 PrintRawCompoundStmt(Node);
150 void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
151 Indent(-1) << "case ";
152 PrintExpr(Node->getLHS());
153 if (Node->getRHS()) {
155 PrintExpr(Node->getRHS());
159 PrintStmt(Node->getSubStmt(), 0);
162 void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
163 Indent(-1) << "default:\n";
164 PrintStmt(Node->getSubStmt(), 0);
167 void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
168 Indent(-1) << Node->getName() << ":\n";
169 PrintStmt(Node->getSubStmt(), 0);
172 void StmtPrinter::VisitAttributedStmt(AttributedStmt *Node) {
175 for (AttrVec::const_iterator it = Node->getAttrs().begin(),
176 end = Node->getAttrs().end();
183 (*it)->printPretty(OS, Context);
186 PrintStmt(Node->getSubStmt(), 0);
189 void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
191 PrintExpr(If->getCond());
194 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
196 PrintRawCompoundStmt(CS);
197 OS << (If->getElse() ? ' ' : '\n');
200 PrintStmt(If->getThen());
201 if (If->getElse()) Indent();
204 if (Stmt *Else = If->getElse()) {
207 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
209 PrintRawCompoundStmt(CS);
211 } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) {
213 PrintRawIfStmt(ElseIf);
216 PrintStmt(If->getElse());
221 void StmtPrinter::VisitIfStmt(IfStmt *If) {
226 void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
227 Indent() << "switch (";
228 PrintExpr(Node->getCond());
231 // Pretty print compoundstmt bodies (very common).
232 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
234 PrintRawCompoundStmt(CS);
238 PrintStmt(Node->getBody());
242 void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
243 Indent() << "while (";
244 PrintExpr(Node->getCond());
246 PrintStmt(Node->getBody());
249 void StmtPrinter::VisitDoStmt(DoStmt *Node) {
251 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
252 PrintRawCompoundStmt(CS);
256 PrintStmt(Node->getBody());
261 PrintExpr(Node->getCond());
265 void StmtPrinter::VisitForStmt(ForStmt *Node) {
267 if (Node->getInit()) {
268 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit()))
269 PrintRawDeclStmt(DS);
271 PrintExpr(cast<Expr>(Node->getInit()));
274 if (Node->getCond()) {
276 PrintExpr(Node->getCond());
279 if (Node->getInc()) {
281 PrintExpr(Node->getInc());
285 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
286 PrintRawCompoundStmt(CS);
290 PrintStmt(Node->getBody());
294 void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
296 if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement()))
297 PrintRawDeclStmt(DS);
299 PrintExpr(cast<Expr>(Node->getElement()));
301 PrintExpr(Node->getCollection());
304 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
305 PrintRawCompoundStmt(CS);
309 PrintStmt(Node->getBody());
313 void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
315 PrintingPolicy SubPolicy(Policy);
316 SubPolicy.SuppressInitializers = true;
317 Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
319 PrintExpr(Node->getRangeInit());
321 PrintStmt(Node->getBody());
325 void StmtPrinter::VisitMSDependentExistsStmt(MSDependentExistsStmt *Node) {
327 if (Node->isIfExists())
328 OS << "__if_exists (";
330 OS << "__if_not_exists (";
332 if (NestedNameSpecifier *Qualifier
333 = Node->getQualifierLoc().getNestedNameSpecifier())
334 Qualifier->print(OS, Policy);
336 OS << Node->getNameInfo() << ") ";
338 PrintRawCompoundStmt(Node->getSubStmt());
341 void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
342 Indent() << "goto " << Node->getLabel()->getName() << ";\n";
345 void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
346 Indent() << "goto *";
347 PrintExpr(Node->getTarget());
351 void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
352 Indent() << "continue;\n";
355 void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
356 Indent() << "break;\n";
360 void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
361 Indent() << "return";
362 if (Node->getRetValue()) {
364 PrintExpr(Node->getRetValue());
370 void StmtPrinter::VisitAsmStmt(AsmStmt *Node) {
373 if (Node->isVolatile())
377 VisitStringLiteral(Node->getAsmString());
380 if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
381 Node->getNumClobbers() != 0)
384 for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
388 if (!Node->getOutputName(i).empty()) {
390 OS << Node->getOutputName(i);
394 VisitStringLiteral(Node->getOutputConstraintLiteral(i));
396 Visit(Node->getOutputExpr(i));
400 if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
403 for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
407 if (!Node->getInputName(i).empty()) {
409 OS << Node->getInputName(i);
413 VisitStringLiteral(Node->getInputConstraintLiteral(i));
415 Visit(Node->getInputExpr(i));
419 if (Node->getNumClobbers() != 0)
422 for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
426 VisitStringLiteral(Node->getClobber(i));
432 void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
434 if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
435 PrintRawCompoundStmt(TS);
439 for (unsigned I = 0, N = Node->getNumCatchStmts(); I != N; ++I) {
440 ObjCAtCatchStmt *catchStmt = Node->getCatchStmt(I);
441 Indent() << "@catch(";
442 if (catchStmt->getCatchParamDecl()) {
443 if (Decl *DS = catchStmt->getCatchParamDecl())
447 if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
448 PrintRawCompoundStmt(CS);
453 if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
454 Node->getFinallyStmt())) {
455 Indent() << "@finally";
456 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
461 void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
464 void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
465 Indent() << "@catch (...) { /* todo */ } \n";
468 void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
469 Indent() << "@throw";
470 if (Node->getThrowExpr()) {
472 PrintExpr(Node->getThrowExpr());
477 void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
478 Indent() << "@synchronized (";
479 PrintExpr(Node->getSynchExpr());
481 PrintRawCompoundStmt(Node->getSynchBody());
485 void StmtPrinter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *Node) {
486 Indent() << "@autoreleasepool";
487 PrintRawCompoundStmt(dyn_cast<CompoundStmt>(Node->getSubStmt()));
491 void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
493 if (Decl *ExDecl = Node->getExceptionDecl())
494 PrintRawDecl(ExDecl);
498 PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
501 void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
503 PrintRawCXXCatchStmt(Node);
507 void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
509 PrintRawCompoundStmt(Node->getTryBlock());
510 for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
512 PrintRawCXXCatchStmt(Node->getHandler(i));
517 void StmtPrinter::VisitSEHTryStmt(SEHTryStmt *Node) {
518 Indent() << (Node->getIsCXXTry() ? "try " : "__try ");
519 PrintRawCompoundStmt(Node->getTryBlock());
520 SEHExceptStmt *E = Node->getExceptHandler();
521 SEHFinallyStmt *F = Node->getFinallyHandler();
523 PrintRawSEHExceptHandler(E);
525 assert(F && "Must have a finally block...");
526 PrintRawSEHFinallyStmt(F);
531 void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
533 PrintRawCompoundStmt(Node->getBlock());
537 void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
539 VisitExpr(Node->getFilterExpr());
541 PrintRawCompoundStmt(Node->getBlock());
545 void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
547 PrintRawSEHExceptHandler(Node);
551 void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
553 PrintRawSEHFinallyStmt(Node);
557 //===----------------------------------------------------------------------===//
558 // Expr printing methods.
559 //===----------------------------------------------------------------------===//
561 void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
562 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
563 Qualifier->print(OS, Policy);
564 if (Node->hasTemplateKeyword())
566 OS << Node->getNameInfo();
567 if (Node->hasExplicitTemplateArgs())
568 OS << TemplateSpecializationType::PrintTemplateArgumentList(
569 Node->getTemplateArgs(),
570 Node->getNumTemplateArgs(),
574 void StmtPrinter::VisitDependentScopeDeclRefExpr(
575 DependentScopeDeclRefExpr *Node) {
576 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
577 Qualifier->print(OS, Policy);
578 if (Node->hasTemplateKeyword())
580 OS << Node->getNameInfo();
581 if (Node->hasExplicitTemplateArgs())
582 OS << TemplateSpecializationType::PrintTemplateArgumentList(
583 Node->getTemplateArgs(),
584 Node->getNumTemplateArgs(),
588 void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
589 if (Node->getQualifier())
590 Node->getQualifier()->print(OS, Policy);
591 if (Node->hasTemplateKeyword())
593 OS << Node->getNameInfo();
594 if (Node->hasExplicitTemplateArgs())
595 OS << TemplateSpecializationType::PrintTemplateArgumentList(
596 Node->getTemplateArgs(),
597 Node->getNumTemplateArgs(),
601 void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
602 if (Node->getBase()) {
603 PrintExpr(Node->getBase());
604 OS << (Node->isArrow() ? "->" : ".");
606 OS << *Node->getDecl();
609 void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
610 if (Node->isSuperReceiver())
612 else if (Node->getBase()) {
613 PrintExpr(Node->getBase());
617 if (Node->isImplicitProperty())
618 OS << Node->getImplicitPropertyGetter()->getSelector().getAsString();
620 OS << Node->getExplicitProperty()->getName();
623 void StmtPrinter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *Node) {
625 PrintExpr(Node->getBaseExpr());
627 PrintExpr(Node->getKeyExpr());
631 void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
632 switch (Node->getIdentType()) {
634 llvm_unreachable("unknown case");
635 case PredefinedExpr::Func:
638 case PredefinedExpr::Function:
639 OS << "__FUNCTION__";
641 case PredefinedExpr::PrettyFunction:
642 OS << "__PRETTY_FUNCTION__";
647 void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
648 unsigned value = Node->getValue();
650 switch (Node->getKind()) {
651 case CharacterLiteral::Ascii: break; // no prefix.
652 case CharacterLiteral::Wide: OS << 'L'; break;
653 case CharacterLiteral::UTF16: OS << 'u'; break;
654 case CharacterLiteral::UTF32: OS << 'U'; break;
665 // TODO: K&R: the meaning of '\\a' is different in traditional C
671 // Nonstandard escape sequence.
691 if (value < 256 && isprint(value)) {
692 OS << "'" << (char)value << "'";
693 } else if (value < 256) {
695 OS.write_hex(value) << "'";
697 // FIXME what to really do here?
703 void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
704 bool isSigned = Node->getType()->isSignedIntegerType();
705 OS << Node->getValue().toString(10, isSigned);
707 // Emit suffixes. Integer literals are always a builtin integer type.
708 switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
709 default: llvm_unreachable("Unexpected type for integer literal!");
710 // FIXME: The Short and UShort cases are to handle cases where a short
711 // integeral literal is formed during template instantiation. They should
712 // be removed when template instantiation no longer needs integer literals.
713 case BuiltinType::Short:
714 case BuiltinType::UShort:
715 case BuiltinType::Int: break; // no suffix.
716 case BuiltinType::UInt: OS << 'U'; break;
717 case BuiltinType::Long: OS << 'L'; break;
718 case BuiltinType::ULong: OS << "UL"; break;
719 case BuiltinType::LongLong: OS << "LL"; break;
720 case BuiltinType::ULongLong: OS << "ULL"; break;
721 case BuiltinType::Int128: OS << "i128"; break;
722 case BuiltinType::UInt128: OS << "Ui128"; break;
725 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
727 Node->getValue().toString(Str);
731 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
732 PrintExpr(Node->getSubExpr());
736 void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
737 switch (Str->getKind()) {
738 case StringLiteral::Ascii: break; // no prefix.
739 case StringLiteral::Wide: OS << 'L'; break;
740 case StringLiteral::UTF8: OS << "u8"; break;
741 case StringLiteral::UTF16: OS << 'u'; break;
742 case StringLiteral::UTF32: OS << 'U'; break;
745 static char Hex[] = "0123456789ABCDEF";
747 unsigned LastSlashX = Str->getLength();
748 for (unsigned I = 0, N = Str->getLength(); I != N; ++I) {
749 switch (uint32_t Char = Str->getCodeUnit(I)) {
751 // FIXME: Convert UTF-8 back to codepoints before rendering.
753 // Convert UTF-16 surrogate pairs back to codepoints before rendering.
754 // Leave invalid surrogates alone; we'll use \x for those.
755 if (Str->getKind() == StringLiteral::UTF16 && I != N - 1 &&
756 Char >= 0xd800 && Char <= 0xdbff) {
757 uint32_t Trail = Str->getCodeUnit(I + 1);
758 if (Trail >= 0xdc00 && Trail <= 0xdfff) {
759 Char = 0x10000 + ((Char - 0xd800) << 10) + (Trail - 0xdc00);
765 // If this is a wide string, output characters over 0xff using \x
766 // escapes. Otherwise, this is a UTF-16 or UTF-32 string, and Char is a
767 // codepoint: use \x escapes for invalid codepoints.
768 if (Str->getKind() == StringLiteral::Wide ||
769 (Char >= 0xd800 && Char <= 0xdfff) || Char >= 0x110000) {
770 // FIXME: Is this the best way to print wchar_t?
773 while ((Char >> Shift) == 0)
775 for (/**/; Shift >= 0; Shift -= 4)
776 OS << Hex[(Char >> Shift) & 15];
783 << Hex[(Char >> 20) & 15]
784 << Hex[(Char >> 16) & 15];
787 OS << Hex[(Char >> 12) & 15]
788 << Hex[(Char >> 8) & 15]
789 << Hex[(Char >> 4) & 15]
790 << Hex[(Char >> 0) & 15];
794 // If we used \x... for the previous character, and this character is a
795 // hexadecimal digit, prevent it being slurped as part of the \x.
796 if (LastSlashX + 1 == I) {
798 case '0': case '1': case '2': case '3': case '4':
799 case '5': case '6': case '7': case '8': case '9':
800 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
801 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
806 if (Char <= 0xff && isprint(Char))
808 else // Output anything hard as an octal escape.
810 << (char)('0' + ((Char >> 6) & 7))
811 << (char)('0' + ((Char >> 3) & 7))
812 << (char)('0' + ((Char >> 0) & 7));
814 // Handle some common non-printable cases to make dumps prettier.
815 case '\\': OS << "\\\\"; break;
816 case '"': OS << "\\\""; break;
817 case '\n': OS << "\\n"; break;
818 case '\t': OS << "\\t"; break;
819 case '\a': OS << "\\a"; break;
820 case '\b': OS << "\\b"; break;
825 void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
827 PrintExpr(Node->getSubExpr());
830 void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
831 if (!Node->isPostfix()) {
832 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
834 // Print a space if this is an "identifier operator" like __real, or if
835 // it might be concatenated incorrectly like '+'.
836 switch (Node->getOpcode()) {
845 if (isa<UnaryOperator>(Node->getSubExpr()))
850 PrintExpr(Node->getSubExpr());
852 if (Node->isPostfix())
853 OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
856 void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
857 OS << "__builtin_offsetof(";
858 OS << Node->getTypeSourceInfo()->getType().getAsString(Policy) << ", ";
859 bool PrintedSomething = false;
860 for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
861 OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i);
862 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) {
865 PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
867 PrintedSomething = true;
871 // Skip implicit base indirections.
872 if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base)
875 // Field or identifier node.
876 IdentifierInfo *Id = ON.getFieldName();
880 if (PrintedSomething)
883 PrintedSomething = true;
889 void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *Node){
890 switch(Node->getKind()) {
901 if (Node->isArgumentType())
902 OS << "(" << Node->getArgumentType().getAsString(Policy) << ")";
905 PrintExpr(Node->getArgumentExpr());
909 void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
911 PrintExpr(Node->getControllingExpr());
912 for (unsigned i = 0; i != Node->getNumAssocs(); ++i) {
914 QualType T = Node->getAssocType(i);
918 OS << T.getAsString(Policy);
920 PrintExpr(Node->getAssocExpr(i));
925 void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
926 PrintExpr(Node->getLHS());
928 PrintExpr(Node->getRHS());
932 void StmtPrinter::PrintCallArgs(CallExpr *Call) {
933 for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
934 if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
935 // Don't print any defaulted arguments
940 PrintExpr(Call->getArg(i));
944 void StmtPrinter::VisitCallExpr(CallExpr *Call) {
945 PrintExpr(Call->getCallee());
950 void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
951 // FIXME: Suppress printing implicit bases (like "this")
952 PrintExpr(Node->getBase());
953 if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
954 if (FD->isAnonymousStructOrUnion())
956 OS << (Node->isArrow() ? "->" : ".");
957 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
958 Qualifier->print(OS, Policy);
959 if (Node->hasTemplateKeyword())
961 OS << Node->getMemberNameInfo();
962 if (Node->hasExplicitTemplateArgs())
963 OS << TemplateSpecializationType::PrintTemplateArgumentList(
964 Node->getTemplateArgs(),
965 Node->getNumTemplateArgs(),
968 void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
969 PrintExpr(Node->getBase());
970 OS << (Node->isArrow() ? "->isa" : ".isa");
973 void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
974 PrintExpr(Node->getBase());
976 OS << Node->getAccessor().getName();
978 void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
979 OS << "(" << Node->getType().getAsString(Policy) << ")";
980 PrintExpr(Node->getSubExpr());
982 void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
983 OS << "(" << Node->getType().getAsString(Policy) << ")";
984 PrintExpr(Node->getInitializer());
986 void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
987 // No need to print anything, simply forward to the sub expression.
988 PrintExpr(Node->getSubExpr());
990 void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
991 PrintExpr(Node->getLHS());
992 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
993 PrintExpr(Node->getRHS());
995 void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
996 PrintExpr(Node->getLHS());
997 OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
998 PrintExpr(Node->getRHS());
1000 void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
1001 PrintExpr(Node->getCond());
1003 PrintExpr(Node->getLHS());
1005 PrintExpr(Node->getRHS());
1011 StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
1012 PrintExpr(Node->getCommon());
1014 PrintExpr(Node->getFalseExpr());
1016 void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
1017 OS << "&&" << Node->getLabel()->getName();
1020 void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
1022 PrintRawCompoundStmt(E->getSubStmt());
1026 void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
1027 OS << "__builtin_choose_expr(";
1028 PrintExpr(Node->getCond());
1030 PrintExpr(Node->getLHS());
1032 PrintExpr(Node->getRHS());
1036 void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
1040 void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
1041 OS << "__builtin_shufflevector(";
1042 for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
1044 PrintExpr(Node->getExpr(i));
1049 void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
1050 if (Node->getSyntacticForm()) {
1051 Visit(Node->getSyntacticForm());
1056 for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
1058 if (Node->getInit(i))
1059 PrintExpr(Node->getInit(i));
1066 void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
1068 for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
1070 PrintExpr(Node->getExpr(i));
1075 void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
1076 for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
1077 DEnd = Node->designators_end();
1079 if (D->isFieldDesignator()) {
1080 if (D->getDotLoc().isInvalid())
1081 OS << D->getFieldName()->getName() << ":";
1083 OS << "." << D->getFieldName()->getName();
1086 if (D->isArrayDesignator()) {
1087 PrintExpr(Node->getArrayIndex(*D));
1089 PrintExpr(Node->getArrayRangeStart(*D));
1091 PrintExpr(Node->getArrayRangeEnd(*D));
1098 PrintExpr(Node->getInit());
1101 void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
1102 if (Policy.LangOpts.CPlusPlus)
1103 OS << "/*implicit*/" << Node->getType().getAsString(Policy) << "()";
1105 OS << "/*implicit*/(" << Node->getType().getAsString(Policy) << ")";
1106 if (Node->getType()->isRecordType())
1113 void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
1114 OS << "__builtin_va_arg(";
1115 PrintExpr(Node->getSubExpr());
1117 OS << Node->getType().getAsString(Policy);
1121 void StmtPrinter::VisitPseudoObjectExpr(PseudoObjectExpr *Node) {
1122 PrintExpr(Node->getSyntacticForm());
1125 void StmtPrinter::VisitAtomicExpr(AtomicExpr *Node) {
1126 const char *Name = 0;
1127 switch (Node->getOp()) {
1128 #define BUILTIN(ID, TYPE, ATTRS)
1129 #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) \
1130 case AtomicExpr::AO ## ID: \
1133 #include "clang/Basic/Builtins.def"
1137 // AtomicExpr stores its subexpressions in a permuted order.
1138 PrintExpr(Node->getPtr());
1140 if (Node->getOp() != AtomicExpr::AO__c11_atomic_load &&
1141 Node->getOp() != AtomicExpr::AO__atomic_load_n) {
1142 PrintExpr(Node->getVal1());
1145 if (Node->getOp() == AtomicExpr::AO__atomic_exchange ||
1146 Node->isCmpXChg()) {
1147 PrintExpr(Node->getVal2());
1150 if (Node->getOp() == AtomicExpr::AO__atomic_compare_exchange ||
1151 Node->getOp() == AtomicExpr::AO__atomic_compare_exchange_n) {
1152 PrintExpr(Node->getWeak());
1155 if (Node->getOp() != AtomicExpr::AO__c11_atomic_init)
1156 PrintExpr(Node->getOrder());
1157 if (Node->isCmpXChg()) {
1159 PrintExpr(Node->getOrderFail());
1165 void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
1166 const char *OpStrings[NUM_OVERLOADED_OPERATORS] = {
1168 #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
1170 #include "clang/Basic/OperatorKinds.def"
1173 OverloadedOperatorKind Kind = Node->getOperator();
1174 if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
1175 if (Node->getNumArgs() == 1) {
1176 OS << OpStrings[Kind] << ' ';
1177 PrintExpr(Node->getArg(0));
1179 PrintExpr(Node->getArg(0));
1180 OS << ' ' << OpStrings[Kind];
1182 } else if (Kind == OO_Call) {
1183 PrintExpr(Node->getArg(0));
1185 for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
1188 if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
1189 PrintExpr(Node->getArg(ArgIdx));
1192 } else if (Kind == OO_Subscript) {
1193 PrintExpr(Node->getArg(0));
1195 PrintExpr(Node->getArg(1));
1197 } else if (Node->getNumArgs() == 1) {
1198 OS << OpStrings[Kind] << ' ';
1199 PrintExpr(Node->getArg(0));
1200 } else if (Node->getNumArgs() == 2) {
1201 PrintExpr(Node->getArg(0));
1202 OS << ' ' << OpStrings[Kind] << ' ';
1203 PrintExpr(Node->getArg(1));
1205 llvm_unreachable("unknown overloaded operator");
1209 void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
1210 VisitCallExpr(cast<CallExpr>(Node));
1213 void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
1214 PrintExpr(Node->getCallee());
1216 PrintCallArgs(Node->getConfig());
1218 PrintCallArgs(Node);
1222 void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
1223 OS << Node->getCastName() << '<';
1224 OS << Node->getTypeAsWritten().getAsString(Policy) << ">(";
1225 PrintExpr(Node->getSubExpr());
1229 void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
1230 VisitCXXNamedCastExpr(Node);
1233 void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
1234 VisitCXXNamedCastExpr(Node);
1237 void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
1238 VisitCXXNamedCastExpr(Node);
1241 void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
1242 VisitCXXNamedCastExpr(Node);
1245 void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
1247 if (Node->isTypeOperand()) {
1248 OS << Node->getTypeOperand().getAsString(Policy);
1250 PrintExpr(Node->getExprOperand());
1255 void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
1257 if (Node->isTypeOperand()) {
1258 OS << Node->getTypeOperand().getAsString(Policy);
1260 PrintExpr(Node->getExprOperand());
1265 void StmtPrinter::VisitUserDefinedLiteral(UserDefinedLiteral *Node) {
1266 switch (Node->getLiteralOperatorKind()) {
1267 case UserDefinedLiteral::LOK_Raw:
1268 OS << cast<StringLiteral>(Node->getArg(0)->IgnoreImpCasts())->getString();
1270 case UserDefinedLiteral::LOK_Template: {
1271 DeclRefExpr *DRE = cast<DeclRefExpr>(Node->getCallee()->IgnoreImpCasts());
1272 const TemplateArgumentList *Args =
1273 cast<FunctionDecl>(DRE->getDecl())->getTemplateSpecializationArgs();
1275 const TemplateArgument &Pack = Args->get(0);
1276 for (TemplateArgument::pack_iterator I = Pack.pack_begin(),
1277 E = Pack.pack_end(); I != E; ++I) {
1278 char C = (char)I->getAsIntegral()->getZExtValue();
1283 case UserDefinedLiteral::LOK_Integer: {
1284 // Print integer literal without suffix.
1285 IntegerLiteral *Int = cast<IntegerLiteral>(Node->getCookedLiteral());
1286 OS << Int->getValue().toString(10, /*isSigned*/false);
1289 case UserDefinedLiteral::LOK_Floating:
1290 case UserDefinedLiteral::LOK_String:
1291 case UserDefinedLiteral::LOK_Character:
1292 PrintExpr(Node->getCookedLiteral());
1295 OS << Node->getUDSuffix()->getName();
1298 void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
1299 OS << (Node->getValue() ? "true" : "false");
1302 void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
1306 void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
1310 void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
1311 if (Node->getSubExpr() == 0)
1315 PrintExpr(Node->getSubExpr());
1319 void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
1320 // Nothing to print: we picked up the default argument
1323 void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
1324 OS << Node->getType().getAsString(Policy);
1326 PrintExpr(Node->getSubExpr());
1330 void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
1331 PrintExpr(Node->getSubExpr());
1334 void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
1335 OS << Node->getType().getAsString(Policy);
1337 for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
1338 ArgEnd = Node->arg_end();
1339 Arg != ArgEnd; ++Arg) {
1340 if (Arg != Node->arg_begin())
1347 void StmtPrinter::VisitLambdaExpr(LambdaExpr *Node) {
1349 bool NeedComma = false;
1350 switch (Node->getCaptureDefault()) {
1364 for (LambdaExpr::capture_iterator C = Node->explicit_capture_begin(),
1365 CEnd = Node->explicit_capture_end();
1372 switch (C->getCaptureKind()) {
1378 if (Node->getCaptureDefault() != LCD_ByRef)
1380 OS << C->getCapturedVar()->getName();
1384 if (Node->getCaptureDefault() != LCD_ByCopy)
1386 OS << C->getCapturedVar()->getName();
1392 if (Node->hasExplicitParameters()) {
1394 CXXMethodDecl *Method = Node->getCallOperator();
1396 for (CXXMethodDecl::param_iterator P = Method->param_begin(),
1397 PEnd = Method->param_end();
1404 std::string ParamStr = (*P)->getNameAsString();
1405 (*P)->getOriginalType().getAsStringInternal(ParamStr, Policy);
1408 if (Method->isVariadic()) {
1415 if (Node->isMutable())
1418 const FunctionProtoType *Proto
1419 = Method->getType()->getAs<FunctionProtoType>();
1421 std::string ExceptionSpec;
1422 Proto->printExceptionSpecification(ExceptionSpec, Policy);
1423 OS << ExceptionSpec;
1426 // FIXME: Attributes
1428 // Print the trailing return type if it was specified in the source.
1429 if (Node->hasExplicitResultType())
1430 OS << " -> " << Proto->getResultType().getAsString(Policy);
1434 CompoundStmt *Body = Node->getBody();
1439 void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
1440 if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
1441 OS << TSInfo->getType().getAsString(Policy) << "()";
1443 OS << Node->getType().getAsString(Policy) << "()";
1446 void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
1447 if (E->isGlobalNew())
1450 unsigned NumPlace = E->getNumPlacementArgs();
1453 PrintExpr(E->getPlacementArg(0));
1454 for (unsigned i = 1; i < NumPlace; ++i) {
1456 PrintExpr(E->getPlacementArg(i));
1460 if (E->isParenTypeId())
1463 if (Expr *Size = E->getArraySize()) {
1464 llvm::raw_string_ostream s(TypeS);
1465 Size->printPretty(s, Context, Helper, Policy);
1467 TypeS = "[" + TypeS + "]";
1469 E->getAllocatedType().getAsStringInternal(TypeS, Policy);
1471 if (E->isParenTypeId())
1474 CXXNewExpr::InitializationStyle InitStyle = E->getInitializationStyle();
1476 if (InitStyle == CXXNewExpr::CallInit)
1478 PrintExpr(E->getInitializer());
1479 if (InitStyle == CXXNewExpr::CallInit)
1484 void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1485 if (E->isGlobalDelete())
1488 if (E->isArrayForm())
1490 PrintExpr(E->getArgument());
1493 void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1494 PrintExpr(E->getBase());
1499 if (E->getQualifier())
1500 E->getQualifier()->print(OS, Policy);
1503 if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
1504 OS << II->getName();
1506 E->getDestroyedType().getAsStringInternal(TypeS, Policy);
1510 void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
1511 for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
1512 if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
1513 // Don't print any defaulted arguments
1518 PrintExpr(E->getArg(i));
1522 void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
1523 // Just forward to the sub expression.
1524 PrintExpr(E->getSubExpr());
1528 StmtPrinter::VisitCXXUnresolvedConstructExpr(
1529 CXXUnresolvedConstructExpr *Node) {
1530 OS << Node->getTypeAsWritten().getAsString(Policy);
1532 for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
1533 ArgEnd = Node->arg_end();
1534 Arg != ArgEnd; ++Arg) {
1535 if (Arg != Node->arg_begin())
1542 void StmtPrinter::VisitCXXDependentScopeMemberExpr(
1543 CXXDependentScopeMemberExpr *Node) {
1544 if (!Node->isImplicitAccess()) {
1545 PrintExpr(Node->getBase());
1546 OS << (Node->isArrow() ? "->" : ".");
1548 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1549 Qualifier->print(OS, Policy);
1550 if (Node->hasTemplateKeyword())
1552 OS << Node->getMemberNameInfo();
1553 if (Node->hasExplicitTemplateArgs()) {
1554 OS << TemplateSpecializationType::PrintTemplateArgumentList(
1555 Node->getTemplateArgs(),
1556 Node->getNumTemplateArgs(),
1561 void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
1562 if (!Node->isImplicitAccess()) {
1563 PrintExpr(Node->getBase());
1564 OS << (Node->isArrow() ? "->" : ".");
1566 if (NestedNameSpecifier *Qualifier = Node->getQualifier())
1567 Qualifier->print(OS, Policy);
1568 if (Node->hasTemplateKeyword())
1570 OS << Node->getMemberNameInfo();
1571 if (Node->hasExplicitTemplateArgs()) {
1572 OS << TemplateSpecializationType::PrintTemplateArgumentList(
1573 Node->getTemplateArgs(),
1574 Node->getNumTemplateArgs(),
1579 static const char *getTypeTraitName(UnaryTypeTrait UTT) {
1581 case UTT_HasNothrowAssign: return "__has_nothrow_assign";
1582 case UTT_HasNothrowConstructor: return "__has_nothrow_constructor";
1583 case UTT_HasNothrowCopy: return "__has_nothrow_copy";
1584 case UTT_HasTrivialAssign: return "__has_trivial_assign";
1585 case UTT_HasTrivialDefaultConstructor: return "__has_trivial_constructor";
1586 case UTT_HasTrivialCopy: return "__has_trivial_copy";
1587 case UTT_HasTrivialDestructor: return "__has_trivial_destructor";
1588 case UTT_HasVirtualDestructor: return "__has_virtual_destructor";
1589 case UTT_IsAbstract: return "__is_abstract";
1590 case UTT_IsArithmetic: return "__is_arithmetic";
1591 case UTT_IsArray: return "__is_array";
1592 case UTT_IsClass: return "__is_class";
1593 case UTT_IsCompleteType: return "__is_complete_type";
1594 case UTT_IsCompound: return "__is_compound";
1595 case UTT_IsConst: return "__is_const";
1596 case UTT_IsEmpty: return "__is_empty";
1597 case UTT_IsEnum: return "__is_enum";
1598 case UTT_IsFinal: return "__is_final";
1599 case UTT_IsFloatingPoint: return "__is_floating_point";
1600 case UTT_IsFunction: return "__is_function";
1601 case UTT_IsFundamental: return "__is_fundamental";
1602 case UTT_IsIntegral: return "__is_integral";
1603 case UTT_IsLiteral: return "__is_literal";
1604 case UTT_IsLvalueReference: return "__is_lvalue_reference";
1605 case UTT_IsMemberFunctionPointer: return "__is_member_function_pointer";
1606 case UTT_IsMemberObjectPointer: return "__is_member_object_pointer";
1607 case UTT_IsMemberPointer: return "__is_member_pointer";
1608 case UTT_IsObject: return "__is_object";
1609 case UTT_IsPOD: return "__is_pod";
1610 case UTT_IsPointer: return "__is_pointer";
1611 case UTT_IsPolymorphic: return "__is_polymorphic";
1612 case UTT_IsReference: return "__is_reference";
1613 case UTT_IsRvalueReference: return "__is_rvalue_reference";
1614 case UTT_IsScalar: return "__is_scalar";
1615 case UTT_IsSigned: return "__is_signed";
1616 case UTT_IsStandardLayout: return "__is_standard_layout";
1617 case UTT_IsTrivial: return "__is_trivial";
1618 case UTT_IsTriviallyCopyable: return "__is_trivially_copyable";
1619 case UTT_IsUnion: return "__is_union";
1620 case UTT_IsUnsigned: return "__is_unsigned";
1621 case UTT_IsVoid: return "__is_void";
1622 case UTT_IsVolatile: return "__is_volatile";
1624 llvm_unreachable("Type trait not covered by switch statement");
1627 static const char *getTypeTraitName(BinaryTypeTrait BTT) {
1629 case BTT_IsBaseOf: return "__is_base_of";
1630 case BTT_IsConvertible: return "__is_convertible";
1631 case BTT_IsSame: return "__is_same";
1632 case BTT_TypeCompatible: return "__builtin_types_compatible_p";
1633 case BTT_IsConvertibleTo: return "__is_convertible_to";
1634 case BTT_IsTriviallyAssignable: return "__is_trivially_assignable";
1636 llvm_unreachable("Binary type trait not covered by switch");
1639 static const char *getTypeTraitName(TypeTrait TT) {
1641 case clang::TT_IsTriviallyConstructible:return "__is_trivially_constructible";
1643 llvm_unreachable("Type trait not covered by switch");
1646 static const char *getTypeTraitName(ArrayTypeTrait ATT) {
1648 case ATT_ArrayRank: return "__array_rank";
1649 case ATT_ArrayExtent: return "__array_extent";
1651 llvm_unreachable("Array type trait not covered by switch");
1654 static const char *getExpressionTraitName(ExpressionTrait ET) {
1656 case ET_IsLValueExpr: return "__is_lvalue_expr";
1657 case ET_IsRValueExpr: return "__is_rvalue_expr";
1659 llvm_unreachable("Expression type trait not covered by switch");
1662 void StmtPrinter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
1663 OS << getTypeTraitName(E->getTrait()) << "("
1664 << E->getQueriedType().getAsString(Policy) << ")";
1667 void StmtPrinter::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
1668 OS << getTypeTraitName(E->getTrait()) << "("
1669 << E->getLhsType().getAsString(Policy) << ","
1670 << E->getRhsType().getAsString(Policy) << ")";
1673 void StmtPrinter::VisitTypeTraitExpr(TypeTraitExpr *E) {
1674 OS << getTypeTraitName(E->getTrait()) << "(";
1675 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) {
1678 OS << E->getArg(I)->getType().getAsString(Policy);
1683 void StmtPrinter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1684 OS << getTypeTraitName(E->getTrait()) << "("
1685 << E->getQueriedType().getAsString(Policy) << ")";
1688 void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1689 OS << getExpressionTraitName(E->getTrait()) << "(";
1690 PrintExpr(E->getQueriedExpression());
1694 void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1696 PrintExpr(E->getOperand());
1700 void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
1701 PrintExpr(E->getPattern());
1705 void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
1706 OS << "sizeof...(" << *E->getPack() << ")";
1709 void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
1710 SubstNonTypeTemplateParmPackExpr *Node) {
1711 OS << *Node->getParameterPack();
1714 void StmtPrinter::VisitSubstNonTypeTemplateParmExpr(
1715 SubstNonTypeTemplateParmExpr *Node) {
1716 Visit(Node->getReplacement());
1719 void StmtPrinter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *Node){
1720 PrintExpr(Node->GetTemporaryExpr());
1725 void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
1727 VisitStringLiteral(Node->getString());
1730 void StmtPrinter::VisitObjCNumericLiteral(ObjCNumericLiteral *E) {
1732 Visit(E->getNumber());
1735 void StmtPrinter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
1737 StmtRange ch = E->children();
1738 if (ch.first != ch.second) {
1742 if (ch.first == ch.second) break;
1749 void StmtPrinter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
1751 for (unsigned I = 0, N = E->getNumElements(); I != N; ++I) {
1755 ObjCDictionaryElement Element = E->getKeyValueElement(I);
1758 Visit(Element.Value);
1759 if (Element.isPackExpansion())
1765 void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
1766 OS << "@encode(" << Node->getEncodedType().getAsString(Policy) << ')';
1769 void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
1770 OS << "@selector(" << Node->getSelector().getAsString() << ')';
1773 void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
1774 OS << "@protocol(" << *Node->getProtocol() << ')';
1777 void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
1779 switch (Mess->getReceiverKind()) {
1780 case ObjCMessageExpr::Instance:
1781 PrintExpr(Mess->getInstanceReceiver());
1784 case ObjCMessageExpr::Class:
1785 OS << Mess->getClassReceiver().getAsString(Policy);
1788 case ObjCMessageExpr::SuperInstance:
1789 case ObjCMessageExpr::SuperClass:
1795 Selector selector = Mess->getSelector();
1796 if (selector.isUnarySelector()) {
1797 OS << selector.getNameForSlot(0);
1799 for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
1800 if (i < selector.getNumArgs()) {
1801 if (i > 0) OS << ' ';
1802 if (selector.getIdentifierInfoForSlot(i))
1803 OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
1807 else OS << ", "; // Handle variadic methods.
1809 PrintExpr(Mess->getArg(i));
1815 void StmtPrinter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Node) {
1816 OS << (Node->getValue() ? "__objc_yes" : "__objc_no");
1820 StmtPrinter::VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
1821 PrintExpr(E->getSubExpr());
1825 StmtPrinter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
1826 OS << "(" << E->getBridgeKindName() << E->getType().getAsString(Policy)
1828 PrintExpr(E->getSubExpr());
1831 void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
1832 BlockDecl *BD = Node->getBlockDecl();
1835 const FunctionType *AFT = Node->getFunctionType();
1837 if (isa<FunctionNoProtoType>(AFT)) {
1839 } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
1841 std::string ParamStr;
1842 for (BlockDecl::param_iterator AI = BD->param_begin(),
1843 E = BD->param_end(); AI != E; ++AI) {
1844 if (AI != BD->param_begin()) OS << ", ";
1845 ParamStr = (*AI)->getNameAsString();
1846 (*AI)->getType().getAsStringInternal(ParamStr, Policy);
1850 const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
1851 if (FT->isVariadic()) {
1852 if (!BD->param_empty()) OS << ", ";
1859 void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {
1860 PrintExpr(Node->getSourceExpr());
1863 void StmtPrinter::VisitAsTypeExpr(AsTypeExpr *Node) {
1864 OS << "__builtin_astype(";
1865 PrintExpr(Node->getSrcExpr());
1866 OS << ", " << Node->getType().getAsString();
1870 //===----------------------------------------------------------------------===//
1871 // Stmt method implementations
1872 //===----------------------------------------------------------------------===//
1874 void Stmt::dumpPretty(ASTContext& Context) const {
1875 printPretty(llvm::errs(), Context, 0,
1876 PrintingPolicy(Context.getLangOpts()));
1879 void Stmt::printPretty(raw_ostream &OS, ASTContext& Context,
1880 PrinterHelper* Helper,
1881 const PrintingPolicy &Policy,
1882 unsigned Indentation) const {
1888 if (Policy.Dump && &Context) {
1889 dump(OS, Context.getSourceManager());
1893 StmtPrinter P(OS, Context, Helper, Policy, Indentation);
1894 P.Visit(const_cast<Stmt*>(this));
1897 //===----------------------------------------------------------------------===//
1899 //===----------------------------------------------------------------------===//
1901 // Implement virtual destructor.
1902 PrinterHelper::~PrinterHelper() {}