1 //===--- DeclPrinter.cpp - Printing implementation for Decl 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 Decl::dump method, which pretty print the
11 // AST back out to C/Objective-C/C++/Objective-C++ code.
13 //===----------------------------------------------------------------------===//
14 #include "clang/AST/ASTContext.h"
15 #include "clang/AST/DeclVisitor.h"
16 #include "clang/AST/Decl.h"
17 #include "clang/AST/DeclCXX.h"
18 #include "clang/AST/DeclObjC.h"
19 #include "clang/AST/Expr.h"
20 #include "clang/AST/ExprCXX.h"
21 #include "clang/AST/PrettyPrinter.h"
22 #include "llvm/Support/raw_ostream.h"
23 using namespace clang;
26 class DeclPrinter : public DeclVisitor<DeclPrinter> {
29 PrintingPolicy Policy;
31 bool PrintInstantiation;
33 raw_ostream& Indent() { return Indent(Indentation); }
34 raw_ostream& Indent(unsigned Indentation);
35 void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
37 void Print(AccessSpecifier AS);
40 DeclPrinter(raw_ostream &Out, ASTContext &Context,
41 const PrintingPolicy &Policy,
42 unsigned Indentation = 0,
43 bool PrintInstantiation = false)
44 : Out(Out), Context(Context), Policy(Policy), Indentation(Indentation),
45 PrintInstantiation(PrintInstantiation) { }
47 void VisitDeclContext(DeclContext *DC, bool Indent = true);
49 void VisitTranslationUnitDecl(TranslationUnitDecl *D);
50 void VisitTypedefDecl(TypedefDecl *D);
51 void VisitTypeAliasDecl(TypeAliasDecl *D);
52 void VisitEnumDecl(EnumDecl *D);
53 void VisitRecordDecl(RecordDecl *D);
54 void VisitEnumConstantDecl(EnumConstantDecl *D);
55 void VisitFunctionDecl(FunctionDecl *D);
56 void VisitFieldDecl(FieldDecl *D);
57 void VisitVarDecl(VarDecl *D);
58 void VisitLabelDecl(LabelDecl *D);
59 void VisitParmVarDecl(ParmVarDecl *D);
60 void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
61 void VisitStaticAssertDecl(StaticAssertDecl *D);
62 void VisitNamespaceDecl(NamespaceDecl *D);
63 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
64 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
65 void VisitCXXRecordDecl(CXXRecordDecl *D);
66 void VisitLinkageSpecDecl(LinkageSpecDecl *D);
67 void VisitTemplateDecl(const TemplateDecl *D);
68 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
69 void VisitClassTemplateDecl(ClassTemplateDecl *D);
70 void VisitObjCMethodDecl(ObjCMethodDecl *D);
71 void VisitObjCClassDecl(ObjCClassDecl *D);
72 void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
73 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
74 void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
75 void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
76 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
77 void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
78 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
79 void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
80 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
81 void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
82 void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
83 void VisitUsingDecl(UsingDecl *D);
84 void VisitUsingShadowDecl(UsingShadowDecl *D);
86 void PrintTemplateParameters(const TemplateParameterList *Params,
87 const TemplateArgumentList *Args);
91 void Decl::print(raw_ostream &Out, unsigned Indentation,
92 bool PrintInstantiation) const {
93 print(Out, getASTContext().getPrintingPolicy(), Indentation, PrintInstantiation);
96 void Decl::print(raw_ostream &Out, const PrintingPolicy &Policy,
97 unsigned Indentation, bool PrintInstantiation) const {
98 DeclPrinter Printer(Out, getASTContext(), Policy, Indentation, PrintInstantiation);
99 Printer.Visit(const_cast<Decl*>(this));
102 static QualType GetBaseType(QualType T) {
103 // FIXME: This should be on the Type class!
104 QualType BaseType = T;
105 while (!BaseType->isSpecifierType()) {
106 if (isa<TypedefType>(BaseType))
108 else if (const PointerType* PTy = BaseType->getAs<PointerType>())
109 BaseType = PTy->getPointeeType();
110 else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
111 BaseType = ATy->getElementType();
112 else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
113 BaseType = FTy->getResultType();
114 else if (const VectorType *VTy = BaseType->getAs<VectorType>())
115 BaseType = VTy->getElementType();
117 llvm_unreachable("Unknown declarator!");
122 static QualType getDeclType(Decl* D) {
123 if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
124 return TDD->getUnderlyingType();
125 if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
126 return VD->getType();
130 void Decl::printGroup(Decl** Begin, unsigned NumDecls,
131 raw_ostream &Out, const PrintingPolicy &Policy,
132 unsigned Indentation) {
134 (*Begin)->print(Out, Policy, Indentation);
138 Decl** End = Begin + NumDecls;
139 TagDecl* TD = dyn_cast<TagDecl>(*Begin);
143 PrintingPolicy SubPolicy(Policy);
144 if (TD && TD->isCompleteDefinition()) {
145 TD->print(Out, Policy, Indentation);
147 SubPolicy.SuppressTag = true;
151 for ( ; Begin != End; ++Begin) {
153 SubPolicy.SuppressSpecifiers = false;
156 if (!isFirst) Out << ", ";
157 SubPolicy.SuppressSpecifiers = true;
160 (*Begin)->print(Out, SubPolicy, Indentation);
164 void DeclContext::dumpDeclContext() const {
165 // Get the translation unit
166 const DeclContext *DC = this;
167 while (!DC->isTranslationUnit())
168 DC = DC->getParent();
170 ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
171 DeclPrinter Printer(llvm::errs(), Ctx, Ctx.getPrintingPolicy(), 0);
172 Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false);
175 void Decl::dump() const {
179 raw_ostream& DeclPrinter::Indent(unsigned Indentation) {
180 for (unsigned i = 0; i != Indentation; ++i)
185 void DeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) {
187 Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation);
193 void DeclPrinter::Print(AccessSpecifier AS) {
195 case AS_none: llvm_unreachable("No access specifier!");
196 case AS_public: Out << "public"; break;
197 case AS_protected: Out << "protected"; break;
198 case AS_private: Out << "private"; break;
202 //----------------------------------------------------------------------------
203 // Common C declarations
204 //----------------------------------------------------------------------------
206 void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
208 Indentation += Policy.Indentation;
210 SmallVector<Decl*, 2> Decls;
211 for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
214 // Don't print ObjCIvarDecls, as they are printed when visiting the
215 // containing ObjCInterfaceDecl.
216 if (isa<ObjCIvarDecl>(*D))
220 // Skip over implicit declarations in pretty-printing mode.
221 if (D->isImplicit()) continue;
222 // FIXME: Ugly hack so we don't pretty-print the builtin declaration
223 // of __builtin_va_list or __[u]int128_t. There should be some other way
225 if (NamedDecl *ND = dyn_cast<NamedDecl>(*D)) {
226 if (IdentifierInfo *II = ND->getIdentifier()) {
227 if (II->isStr("__builtin_va_list") ||
228 II->isStr("__int128_t") || II->isStr("__uint128_t"))
234 // The next bits of code handles stuff like "struct {int x;} a,b"; we're
235 // forced to merge the declarations because there's no other way to
236 // refer to the struct in question. This limited merging is safe without
237 // a bunch of other checks because it only merges declarations directly
238 // referring to the tag, not typedefs.
240 // Check whether the current declaration should be grouped with a previous
242 QualType CurDeclType = getDeclType(*D);
243 if (!Decls.empty() && !CurDeclType.isNull()) {
244 QualType BaseType = GetBaseType(CurDeclType);
245 if (!BaseType.isNull() && isa<TagType>(BaseType) &&
246 cast<TagType>(BaseType)->getDecl() == Decls[0]) {
252 // If we have a merged group waiting to be handled, handle it now.
254 ProcessDeclGroup(Decls);
256 // If the current declaration is an unnamed tag type, save it
257 // so we can merge it with the subsequent declaration(s) using it.
258 if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) {
263 if (isa<AccessSpecDecl>(*D)) {
264 Indentation -= Policy.Indentation;
266 Print(D->getAccess());
268 Indentation += Policy.Indentation;
275 // FIXME: Need to be able to tell the DeclPrinter when
276 const char *Terminator = 0;
277 if (isa<FunctionDecl>(*D) &&
278 cast<FunctionDecl>(*D)->isThisDeclarationADefinition())
280 else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody())
282 else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
283 isa<ObjCImplementationDecl>(*D) ||
284 isa<ObjCInterfaceDecl>(*D) ||
285 isa<ObjCProtocolDecl>(*D) ||
286 isa<ObjCCategoryImplDecl>(*D) ||
287 isa<ObjCCategoryDecl>(*D))
289 else if (isa<EnumConstantDecl>(*D)) {
290 DeclContext::decl_iterator Next = D;
303 ProcessDeclGroup(Decls);
306 Indentation -= Policy.Indentation;
309 void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
310 VisitDeclContext(D, false);
313 void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
314 std::string S = D->getNameAsString();
315 D->getUnderlyingType().getAsStringInternal(S, Policy);
316 if (!Policy.SuppressSpecifiers) {
319 if (D->isModulePrivate())
320 Out << "__module_private__ ";
325 void DeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) {
326 Out << "using " << D->getNameAsString() << " = "
327 << D->getUnderlyingType().getAsString(Policy);
330 void DeclPrinter::VisitEnumDecl(EnumDecl *D) {
331 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
332 Out << "__module_private__ ";
335 if (D->isScopedUsingClassTag())
343 std::string Underlying;
344 D->getIntegerType().getAsStringInternal(Underlying, Policy);
345 Out << " : " << Underlying;
348 if (D->isCompleteDefinition()) {
355 void DeclPrinter::VisitRecordDecl(RecordDecl *D) {
356 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
357 Out << "__module_private__ ";
358 Out << D->getKindName();
359 if (D->getIdentifier())
362 if (D->isCompleteDefinition()) {
369 void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
371 if (Expr *Init = D->getInitExpr()) {
373 Init->printPretty(Out, Context, 0, Policy, Indentation);
377 void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
378 if (!Policy.SuppressSpecifiers) {
379 switch (D->getStorageClass()) {
381 case SC_Extern: Out << "extern "; break;
382 case SC_Static: Out << "static "; break;
383 case SC_PrivateExtern: Out << "__private_extern__ "; break;
384 case SC_Auto: case SC_Register: case SC_OpenCLWorkGroupLocal:
385 llvm_unreachable("invalid for functions");
388 if (D->isInlineSpecified()) Out << "inline ";
389 if (D->isVirtualAsWritten()) Out << "virtual ";
390 if (D->isModulePrivate()) Out << "__module_private__ ";
393 PrintingPolicy SubPolicy(Policy);
394 SubPolicy.SuppressSpecifiers = false;
395 std::string Proto = D->getNameInfo().getAsString();
397 QualType Ty = D->getType();
398 while (const ParenType *PT = dyn_cast<ParenType>(Ty)) {
399 Proto = '(' + Proto + ')';
400 Ty = PT->getInnerType();
403 if (isa<FunctionType>(Ty)) {
404 const FunctionType *AFT = Ty->getAs<FunctionType>();
405 const FunctionProtoType *FT = 0;
406 if (D->hasWrittenPrototype())
407 FT = dyn_cast<FunctionProtoType>(AFT);
411 llvm::raw_string_ostream POut(Proto);
412 DeclPrinter ParamPrinter(POut, Context, SubPolicy, Indentation);
413 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
415 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
418 if (FT->isVariadic()) {
419 if (D->getNumParams()) POut << ", ";
422 } else if (D->doesThisDeclarationHaveABody() && !D->hasPrototype()) {
423 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
426 Proto += D->getParamDecl(i)->getNameAsString();
432 if (FT && FT->getTypeQuals()) {
433 unsigned TypeQuals = FT->getTypeQuals();
434 if (TypeQuals & Qualifiers::Const)
436 if (TypeQuals & Qualifiers::Volatile)
437 Proto += " volatile";
438 if (TypeQuals & Qualifiers::Restrict)
439 Proto += " restrict";
442 if (FT && FT->hasDynamicExceptionSpec()) {
444 if (FT->getExceptionSpecType() == EST_MSAny)
447 for (unsigned I = 0, N = FT->getNumExceptions(); I != N; ++I) {
451 std::string ExceptionType;
452 FT->getExceptionType(I).getAsStringInternal(ExceptionType, SubPolicy);
453 Proto += ExceptionType;
456 } else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) {
457 Proto += " noexcept";
458 if (FT->getExceptionSpecType() == EST_ComputedNoexcept) {
460 llvm::raw_string_ostream EOut(Proto);
461 FT->getNoexceptExpr()->printPretty(EOut, Context, 0, SubPolicy,
469 if (D->hasAttr<NoReturnAttr>())
470 Proto += " __attribute((noreturn))";
472 if (D->hasAttr<ReturnsTwiceAttr>())
473 Proto += " __attribute((returns_twice))";
475 if (CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D)) {
476 bool HasInitializerList = false;
477 for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(),
478 E = CDecl->init_end();
480 CXXCtorInitializer * BMInitializer = (*B);
481 if (BMInitializer->isInClassMemberInitializer())
484 if (!HasInitializerList) {
488 HasInitializerList = true;
492 if (BMInitializer->isAnyMemberInitializer()) {
493 FieldDecl *FD = BMInitializer->getAnyMember();
496 Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
500 if (!BMInitializer->getInit()) {
503 Expr *Init = BMInitializer->getInit();
504 if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
505 Init = Tmp->getSubExpr();
507 Init = Init->IgnoreParens();
509 Expr *SimpleInit = 0;
511 unsigned NumArgs = 0;
512 if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
513 Args = ParenList->getExprs();
514 NumArgs = ParenList->getNumExprs();
515 } else if (CXXConstructExpr *Construct
516 = dyn_cast<CXXConstructExpr>(Init)) {
517 Args = Construct->getArgs();
518 NumArgs = Construct->getNumArgs();
523 SimpleInit->printPretty(Out, Context, 0, Policy, Indentation);
525 for (unsigned I = 0; I != NumArgs; ++I) {
526 if (isa<CXXDefaultArgExpr>(Args[I]))
531 Args[I]->printPretty(Out, Context, 0, Policy, Indentation);
539 AFT->getResultType().getAsStringInternal(Proto, Policy);
541 Ty.getAsStringInternal(Proto, Policy);
548 else if (D->isDeletedAsWritten())
550 else if (D->doesThisDeclarationHaveABody()) {
551 if (!D->hasPrototype() && D->getNumParams()) {
552 // This is a K&R function definition, so we need to print the
555 DeclPrinter ParamPrinter(Out, Context, SubPolicy, Indentation);
556 Indentation += Policy.Indentation;
557 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
559 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
562 Indentation -= Policy.Indentation;
566 D->getBody()->printPretty(Out, Context, 0, SubPolicy, Indentation);
571 void DeclPrinter::VisitFieldDecl(FieldDecl *D) {
572 if (!Policy.SuppressSpecifiers && D->isMutable())
574 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
575 Out << "__module_private__ ";
577 std::string Name = D->getNameAsString();
578 D->getType().getAsStringInternal(Name, Policy);
581 if (D->isBitField()) {
583 D->getBitWidth()->printPretty(Out, Context, 0, Policy, Indentation);
586 Expr *Init = D->getInClassInitializer();
587 if (!Policy.SuppressInitializers && Init) {
589 Init->printPretty(Out, Context, 0, Policy, Indentation);
593 void DeclPrinter::VisitLabelDecl(LabelDecl *D) {
594 Out << D->getNameAsString() << ":";
598 void DeclPrinter::VisitVarDecl(VarDecl *D) {
599 if (!Policy.SuppressSpecifiers && D->getStorageClass() != SC_None)
600 Out << VarDecl::getStorageClassSpecifierString(D->getStorageClass()) << " ";
602 if (!Policy.SuppressSpecifiers && D->isThreadSpecified())
604 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
605 Out << "__module_private__ ";
607 std::string Name = D->getNameAsString();
608 QualType T = D->getType();
609 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D))
610 T = Parm->getOriginalType();
611 T.getAsStringInternal(Name, Policy);
613 Expr *Init = D->getInit();
614 if (!Policy.SuppressInitializers && Init) {
615 if (D->hasCXXDirectInitializer())
618 CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init);
619 if (!CCE || CCE->getConstructor()->isCopyConstructor())
622 Init->printPretty(Out, Context, 0, Policy, Indentation);
623 if (D->hasCXXDirectInitializer())
628 void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
632 void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
634 D->getAsmString()->printPretty(Out, Context, 0, Policy, Indentation);
638 void DeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) {
639 Out << "static_assert(";
640 D->getAssertExpr()->printPretty(Out, Context, 0, Policy, Indentation);
642 D->getMessage()->printPretty(Out, Context, 0, Policy, Indentation);
646 //----------------------------------------------------------------------------
648 //----------------------------------------------------------------------------
649 void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
650 Out << "namespace " << *D << " {\n";
655 void DeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
656 Out << "using namespace ";
657 if (D->getQualifier())
658 D->getQualifier()->print(Out, Policy);
659 Out << *D->getNominatedNamespaceAsWritten();
662 void DeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
663 Out << "namespace " << *D << " = ";
664 if (D->getQualifier())
665 D->getQualifier()->print(Out, Policy);
666 Out << *D->getAliasedNamespace();
669 void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
670 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
671 Out << "__module_private__ ";
672 Out << D->getKindName();
673 if (D->getIdentifier())
676 if (D->isCompleteDefinition()) {
677 // Print the base classes
678 if (D->getNumBases()) {
680 for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
681 BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) {
682 if (Base != D->bases_begin())
685 if (Base->isVirtual())
688 AccessSpecifier AS = Base->getAccessSpecifierAsWritten();
691 Out << " " << Base->getType().getAsString(Policy);
693 if (Base->isPackExpansion())
698 // Print the class definition
699 // FIXME: Doesn't print access specifiers, e.g., "public:"
706 void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
708 if (D->getLanguage() == LinkageSpecDecl::lang_c)
711 assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
712 "unknown language in linkage specification");
716 Out << "extern \"" << l << "\" ";
717 if (D->hasBraces()) {
722 Visit(*D->decls_begin());
725 void DeclPrinter::PrintTemplateParameters(
726 const TemplateParameterList *Params, const TemplateArgumentList *Args = 0) {
728 assert(!Args || Params->size() == Args->size());
732 for (unsigned i = 0, e = Params->size(); i != e; ++i) {
736 const Decl *Param = Params->getParam(i);
737 if (const TemplateTypeParmDecl *TTP =
738 dyn_cast<TemplateTypeParmDecl>(Param)) {
740 if (TTP->wasDeclaredWithTypename())
745 if (TTP->isParameterPack())
748 Out << TTP->getNameAsString();
752 Args->get(i).print(Policy, Out);
753 } else if (TTP->hasDefaultArgument()) {
755 Out << TTP->getDefaultArgument().getAsString(Policy);
757 } else if (const NonTypeTemplateParmDecl *NTTP =
758 dyn_cast<NonTypeTemplateParmDecl>(Param)) {
759 Out << NTTP->getType().getAsString(Policy);
761 if (NTTP->isParameterPack() && !isa<PackExpansionType>(NTTP->getType()))
764 if (IdentifierInfo *Name = NTTP->getIdentifier()) {
766 Out << Name->getName();
771 Args->get(i).print(Policy, Out);
772 } else if (NTTP->hasDefaultArgument()) {
774 NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy,
777 } else if (const TemplateTemplateParmDecl *TTPD =
778 dyn_cast<TemplateTemplateParmDecl>(Param)) {
779 VisitTemplateDecl(TTPD);
780 // FIXME: print the default argument, if present.
787 void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
788 PrintTemplateParameters(D->getTemplateParameters());
790 if (const TemplateTemplateParmDecl *TTP =
791 dyn_cast<TemplateTemplateParmDecl>(D)) {
793 if (TTP->isParameterPack())
797 Visit(D->getTemplatedDecl());
801 void DeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
802 if (PrintInstantiation) {
803 TemplateParameterList *Params = D->getTemplateParameters();
804 for (FunctionTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end();
806 PrintTemplateParameters(Params, (*I)->getTemplateSpecializationArgs());
811 return VisitRedeclarableTemplateDecl(D);
814 void DeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
815 if (PrintInstantiation) {
816 TemplateParameterList *Params = D->getTemplateParameters();
817 for (ClassTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end();
819 PrintTemplateParameters(Params, &(*I)->getTemplateArgs());
825 return VisitRedeclarableTemplateDecl(D);
828 //----------------------------------------------------------------------------
829 // Objective-C declarations
830 //----------------------------------------------------------------------------
832 void DeclPrinter::VisitObjCClassDecl(ObjCClassDecl *D) {
833 Out << "@class " << *D->getForwardInterfaceDecl();
836 void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) {
837 if (OMD->isInstanceMethod())
841 if (!OMD->getResultType().isNull())
842 Out << '(' << OMD->getResultType().getAsString(Policy) << ")";
844 std::string name = OMD->getSelector().getAsString();
845 std::string::size_type pos, lastPos = 0;
846 for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(),
847 E = OMD->param_end(); PI != E; ++PI) {
848 // FIXME: selector is missing here!
849 pos = name.find_first_of(':', lastPos);
850 Out << " " << name.substr(lastPos, pos - lastPos);
851 Out << ":(" << (*PI)->getType().getAsString(Policy) << ')' << **PI;
855 if (OMD->param_begin() == OMD->param_end())
858 if (OMD->isVariadic())
861 if (OMD->getBody()) {
863 OMD->getBody()->printPretty(Out, Context, 0, Policy);
868 void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) {
869 std::string I = OID->getNameAsString();
870 ObjCInterfaceDecl *SID = OID->getSuperClass();
873 Out << "@implementation " << I << " : " << *SID;
875 Out << "@implementation " << I;
877 VisitDeclContext(OID, false);
881 void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
882 std::string I = OID->getNameAsString();
883 ObjCInterfaceDecl *SID = OID->getSuperClass();
886 Out << "@interface " << I << " : " << *SID;
888 Out << "@interface " << I;
891 const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
892 if (!Protocols.empty()) {
893 for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
894 E = Protocols.end(); I != E; ++I)
895 Out << (I == Protocols.begin() ? '<' : ',') << **I;
898 if (!Protocols.empty())
901 if (OID->ivar_size() > 0) {
903 Indentation += Policy.Indentation;
904 for (ObjCInterfaceDecl::ivar_iterator I = OID->ivar_begin(),
905 E = OID->ivar_end(); I != E; ++I) {
906 Indent() << (*I)->getType().getAsString(Policy) << ' ' << **I << ";\n";
908 Indentation -= Policy.Indentation;
912 VisitDeclContext(OID, false);
914 // FIXME: implement the rest...
917 void DeclPrinter::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) {
919 for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(),
920 E = D->protocol_end();
922 if (I != D->protocol_begin()) Out << ", ";
927 void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
928 Out << "@protocol " << *PID << '\n';
929 VisitDeclContext(PID, false);
933 void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
934 Out << "@implementation " << *PID->getClassInterface() << '(' << *PID <<")\n";
936 VisitDeclContext(PID, false);
938 // FIXME: implement the rest...
941 void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
942 Out << "@interface " << *PID->getClassInterface() << '(' << *PID << ")\n";
943 VisitDeclContext(PID, false);
946 // FIXME: implement the rest...
949 void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) {
950 Out << "@compatibility_alias " << *AID
951 << ' ' << *AID->getClassInterface() << ";\n";
954 /// PrintObjCPropertyDecl - print a property declaration.
956 void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
957 if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required)
958 Out << "@required\n";
959 else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional)
960 Out << "@optional\n";
963 if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) {
966 if (PDecl->getPropertyAttributes() &
967 ObjCPropertyDecl::OBJC_PR_readonly) {
968 Out << (first ? ' ' : ',') << "readonly";
972 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
973 Out << (first ? ' ' : ',') << "getter = "
974 << PDecl->getGetterName().getAsString();
977 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) {
978 Out << (first ? ' ' : ',') << "setter = "
979 << PDecl->getSetterName().getAsString();
983 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) {
984 Out << (first ? ' ' : ',') << "assign";
988 if (PDecl->getPropertyAttributes() &
989 ObjCPropertyDecl::OBJC_PR_readwrite) {
990 Out << (first ? ' ' : ',') << "readwrite";
994 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) {
995 Out << (first ? ' ' : ',') << "retain";
999 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_strong) {
1000 Out << (first ? ' ' : ',') << "strong";
1004 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) {
1005 Out << (first ? ' ' : ',') << "copy";
1009 if (PDecl->getPropertyAttributes() &
1010 ObjCPropertyDecl::OBJC_PR_nonatomic) {
1011 Out << (first ? ' ' : ',') << "nonatomic";
1014 if (PDecl->getPropertyAttributes() &
1015 ObjCPropertyDecl::OBJC_PR_atomic) {
1016 Out << (first ? ' ' : ',') << "atomic";
1020 (void) first; // Silence dead store warning due to idiomatic code.
1023 Out << ' ' << PDecl->getType().getAsString(Policy) << ' ' << *PDecl;
1026 void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) {
1027 if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
1028 Out << "@synthesize ";
1031 Out << *PID->getPropertyDecl();
1032 if (PID->getPropertyIvarDecl())
1033 Out << '=' << *PID->getPropertyIvarDecl();
1036 void DeclPrinter::VisitUsingDecl(UsingDecl *D) {
1038 D->getQualifier()->print(Out, Policy);
1043 DeclPrinter::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) {
1044 Out << "using typename ";
1045 D->getQualifier()->print(Out, Policy);
1046 Out << D->getDeclName();
1049 void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1051 D->getQualifier()->print(Out, Policy);
1052 Out << D->getDeclName();
1055 void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) {