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 "clang/Basic/Module.h"
23 #include "llvm/Support/raw_ostream.h"
24 using namespace clang;
27 class DeclPrinter : public DeclVisitor<DeclPrinter> {
30 PrintingPolicy Policy;
32 bool PrintInstantiation;
34 raw_ostream& Indent() { return Indent(Indentation); }
35 raw_ostream& Indent(unsigned Indentation);
36 void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
38 void Print(AccessSpecifier AS);
41 DeclPrinter(raw_ostream &Out, ASTContext &Context,
42 const PrintingPolicy &Policy,
43 unsigned Indentation = 0,
44 bool PrintInstantiation = false)
45 : Out(Out), Context(Context), Policy(Policy), Indentation(Indentation),
46 PrintInstantiation(PrintInstantiation) { }
48 void VisitDeclContext(DeclContext *DC, bool Indent = true);
50 void VisitTranslationUnitDecl(TranslationUnitDecl *D);
51 void VisitTypedefDecl(TypedefDecl *D);
52 void VisitTypeAliasDecl(TypeAliasDecl *D);
53 void VisitEnumDecl(EnumDecl *D);
54 void VisitRecordDecl(RecordDecl *D);
55 void VisitEnumConstantDecl(EnumConstantDecl *D);
56 void VisitFunctionDecl(FunctionDecl *D);
57 void VisitFieldDecl(FieldDecl *D);
58 void VisitVarDecl(VarDecl *D);
59 void VisitLabelDecl(LabelDecl *D);
60 void VisitParmVarDecl(ParmVarDecl *D);
61 void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
62 void VisitImportDecl(ImportDecl *D);
63 void VisitStaticAssertDecl(StaticAssertDecl *D);
64 void VisitNamespaceDecl(NamespaceDecl *D);
65 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
66 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
67 void VisitCXXRecordDecl(CXXRecordDecl *D);
68 void VisitLinkageSpecDecl(LinkageSpecDecl *D);
69 void VisitTemplateDecl(const TemplateDecl *D);
70 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
71 void VisitClassTemplateDecl(ClassTemplateDecl *D);
72 void VisitObjCMethodDecl(ObjCMethodDecl *D);
73 void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
74 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *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);
88 void prettyPrintAttributes(Decl *D);
92 void Decl::print(raw_ostream &Out, unsigned Indentation,
93 bool PrintInstantiation) const {
94 print(Out, getASTContext().getPrintingPolicy(), Indentation, PrintInstantiation);
97 void Decl::print(raw_ostream &Out, const PrintingPolicy &Policy,
98 unsigned Indentation, bool PrintInstantiation) const {
99 DeclPrinter Printer(Out, getASTContext(), Policy, Indentation, PrintInstantiation);
100 Printer.Visit(const_cast<Decl*>(this));
103 static QualType GetBaseType(QualType T) {
104 // FIXME: This should be on the Type class!
105 QualType BaseType = T;
106 while (!BaseType->isSpecifierType()) {
107 if (isa<TypedefType>(BaseType))
109 else if (const PointerType* PTy = BaseType->getAs<PointerType>())
110 BaseType = PTy->getPointeeType();
111 else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
112 BaseType = ATy->getElementType();
113 else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
114 BaseType = FTy->getResultType();
115 else if (const VectorType *VTy = BaseType->getAs<VectorType>())
116 BaseType = VTy->getElementType();
118 llvm_unreachable("Unknown declarator!");
123 static QualType getDeclType(Decl* D) {
124 if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
125 return TDD->getUnderlyingType();
126 if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
127 return VD->getType();
131 void Decl::printGroup(Decl** Begin, unsigned NumDecls,
132 raw_ostream &Out, const PrintingPolicy &Policy,
133 unsigned Indentation) {
135 (*Begin)->print(Out, Policy, Indentation);
139 Decl** End = Begin + NumDecls;
140 TagDecl* TD = dyn_cast<TagDecl>(*Begin);
144 PrintingPolicy SubPolicy(Policy);
145 if (TD && TD->isCompleteDefinition()) {
146 TD->print(Out, Policy, Indentation);
148 SubPolicy.SuppressTag = true;
152 for ( ; Begin != End; ++Begin) {
154 SubPolicy.SuppressSpecifiers = false;
157 if (!isFirst) Out << ", ";
158 SubPolicy.SuppressSpecifiers = true;
161 (*Begin)->print(Out, SubPolicy, Indentation);
165 void DeclContext::dumpDeclContext() const {
166 // Get the translation unit
167 const DeclContext *DC = this;
168 while (!DC->isTranslationUnit())
169 DC = DC->getParent();
171 ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
172 DeclPrinter Printer(llvm::errs(), Ctx, Ctx.getPrintingPolicy(), 0);
173 Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false);
176 void Decl::dump() const {
180 raw_ostream& DeclPrinter::Indent(unsigned Indentation) {
181 for (unsigned i = 0; i != Indentation; ++i)
186 void DeclPrinter::prettyPrintAttributes(Decl *D) {
188 AttrVec &Attrs = D->getAttrs();
189 for (AttrVec::const_iterator i=Attrs.begin(), e=Attrs.end(); i!=e; ++i) {
191 A->printPretty(Out, Context);
196 void DeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) {
198 Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation);
204 void DeclPrinter::Print(AccessSpecifier AS) {
206 case AS_none: llvm_unreachable("No access specifier!");
207 case AS_public: Out << "public"; break;
208 case AS_protected: Out << "protected"; break;
209 case AS_private: Out << "private"; break;
213 //----------------------------------------------------------------------------
214 // Common C declarations
215 //----------------------------------------------------------------------------
217 void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
219 Indentation += Policy.Indentation;
221 SmallVector<Decl*, 2> Decls;
222 for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
225 // Don't print ObjCIvarDecls, as they are printed when visiting the
226 // containing ObjCInterfaceDecl.
227 if (isa<ObjCIvarDecl>(*D))
231 // Skip over implicit declarations in pretty-printing mode.
232 if (D->isImplicit()) continue;
233 // FIXME: Ugly hack so we don't pretty-print the builtin declaration
234 // of __builtin_va_list or __[u]int128_t. There should be some other way
236 if (NamedDecl *ND = dyn_cast<NamedDecl>(*D)) {
237 if (IdentifierInfo *II = ND->getIdentifier()) {
238 if (II->isStr("__builtin_va_list") ||
239 II->isStr("__int128_t") || II->isStr("__uint128_t"))
245 // The next bits of code handles stuff like "struct {int x;} a,b"; we're
246 // forced to merge the declarations because there's no other way to
247 // refer to the struct in question. This limited merging is safe without
248 // a bunch of other checks because it only merges declarations directly
249 // referring to the tag, not typedefs.
251 // Check whether the current declaration should be grouped with a previous
253 QualType CurDeclType = getDeclType(*D);
254 if (!Decls.empty() && !CurDeclType.isNull()) {
255 QualType BaseType = GetBaseType(CurDeclType);
256 if (!BaseType.isNull() && isa<TagType>(BaseType) &&
257 cast<TagType>(BaseType)->getDecl() == Decls[0]) {
263 // If we have a merged group waiting to be handled, handle it now.
265 ProcessDeclGroup(Decls);
267 // If the current declaration is an unnamed tag type, save it
268 // so we can merge it with the subsequent declaration(s) using it.
269 if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) {
274 if (isa<AccessSpecDecl>(*D)) {
275 Indentation -= Policy.Indentation;
277 Print(D->getAccess());
279 Indentation += Policy.Indentation;
286 // FIXME: Need to be able to tell the DeclPrinter when
287 const char *Terminator = 0;
288 if (isa<FunctionDecl>(*D) &&
289 cast<FunctionDecl>(*D)->isThisDeclarationADefinition())
291 else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody())
293 else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
294 isa<ObjCImplementationDecl>(*D) ||
295 isa<ObjCInterfaceDecl>(*D) ||
296 isa<ObjCProtocolDecl>(*D) ||
297 isa<ObjCCategoryImplDecl>(*D) ||
298 isa<ObjCCategoryDecl>(*D))
300 else if (isa<EnumConstantDecl>(*D)) {
301 DeclContext::decl_iterator Next = D;
314 ProcessDeclGroup(Decls);
317 Indentation -= Policy.Indentation;
320 void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
321 VisitDeclContext(D, false);
324 void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
325 std::string S = D->getNameAsString();
326 D->getUnderlyingType().getAsStringInternal(S, Policy);
327 if (!Policy.SuppressSpecifiers) {
330 if (D->isModulePrivate())
331 Out << "__module_private__ ";
334 prettyPrintAttributes(D);
337 void DeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) {
338 Out << "using " << *D << " = " << D->getUnderlyingType().getAsString(Policy);
341 void DeclPrinter::VisitEnumDecl(EnumDecl *D) {
342 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
343 Out << "__module_private__ ";
346 if (D->isScopedUsingClassTag())
354 std::string Underlying;
355 D->getIntegerType().getAsStringInternal(Underlying, Policy);
356 Out << " : " << Underlying;
359 if (D->isCompleteDefinition()) {
364 prettyPrintAttributes(D);
367 void DeclPrinter::VisitRecordDecl(RecordDecl *D) {
368 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
369 Out << "__module_private__ ";
370 Out << D->getKindName();
371 if (D->getIdentifier())
374 if (D->isCompleteDefinition()) {
381 void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
383 if (Expr *Init = D->getInitExpr()) {
385 Init->printPretty(Out, Context, 0, Policy, Indentation);
389 void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
390 if (!Policy.SuppressSpecifiers) {
391 switch (D->getStorageClassAsWritten()) {
393 case SC_Extern: Out << "extern "; break;
394 case SC_Static: Out << "static "; break;
395 case SC_PrivateExtern: Out << "__private_extern__ "; break;
396 case SC_Auto: case SC_Register: case SC_OpenCLWorkGroupLocal:
397 llvm_unreachable("invalid for functions");
400 if (D->isInlineSpecified()) Out << "inline ";
401 if (D->isVirtualAsWritten()) Out << "virtual ";
402 if (D->isModulePrivate()) Out << "__module_private__ ";
405 PrintingPolicy SubPolicy(Policy);
406 SubPolicy.SuppressSpecifiers = false;
407 std::string Proto = D->getNameInfo().getAsString();
409 QualType Ty = D->getType();
410 while (const ParenType *PT = dyn_cast<ParenType>(Ty)) {
411 Proto = '(' + Proto + ')';
412 Ty = PT->getInnerType();
415 if (isa<FunctionType>(Ty)) {
416 const FunctionType *AFT = Ty->getAs<FunctionType>();
417 const FunctionProtoType *FT = 0;
418 if (D->hasWrittenPrototype())
419 FT = dyn_cast<FunctionProtoType>(AFT);
423 llvm::raw_string_ostream POut(Proto);
424 DeclPrinter ParamPrinter(POut, Context, SubPolicy, Indentation);
425 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
427 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
430 if (FT->isVariadic()) {
431 if (D->getNumParams()) POut << ", ";
434 } else if (D->doesThisDeclarationHaveABody() && !D->hasPrototype()) {
435 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
438 Proto += D->getParamDecl(i)->getNameAsString();
444 if (FT && FT->getTypeQuals()) {
445 unsigned TypeQuals = FT->getTypeQuals();
446 if (TypeQuals & Qualifiers::Const)
448 if (TypeQuals & Qualifiers::Volatile)
449 Proto += " volatile";
450 if (TypeQuals & Qualifiers::Restrict)
451 Proto += " restrict";
454 if (FT && FT->hasDynamicExceptionSpec()) {
456 if (FT->getExceptionSpecType() == EST_MSAny)
459 for (unsigned I = 0, N = FT->getNumExceptions(); I != N; ++I) {
463 std::string ExceptionType;
464 FT->getExceptionType(I).getAsStringInternal(ExceptionType, SubPolicy);
465 Proto += ExceptionType;
468 } else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) {
469 Proto += " noexcept";
470 if (FT->getExceptionSpecType() == EST_ComputedNoexcept) {
472 llvm::raw_string_ostream EOut(Proto);
473 FT->getNoexceptExpr()->printPretty(EOut, Context, 0, SubPolicy,
481 if (CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D)) {
482 bool HasInitializerList = false;
483 for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(),
484 E = CDecl->init_end();
486 CXXCtorInitializer * BMInitializer = (*B);
487 if (BMInitializer->isInClassMemberInitializer())
490 if (!HasInitializerList) {
494 HasInitializerList = true;
498 if (BMInitializer->isAnyMemberInitializer()) {
499 FieldDecl *FD = BMInitializer->getAnyMember();
502 Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
506 if (!BMInitializer->getInit()) {
509 Expr *Init = BMInitializer->getInit();
510 if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
511 Init = Tmp->getSubExpr();
513 Init = Init->IgnoreParens();
515 Expr *SimpleInit = 0;
517 unsigned NumArgs = 0;
518 if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
519 Args = ParenList->getExprs();
520 NumArgs = ParenList->getNumExprs();
521 } else if (CXXConstructExpr *Construct
522 = dyn_cast<CXXConstructExpr>(Init)) {
523 Args = Construct->getArgs();
524 NumArgs = Construct->getNumArgs();
529 SimpleInit->printPretty(Out, Context, 0, Policy, Indentation);
531 for (unsigned I = 0; I != NumArgs; ++I) {
532 if (isa<CXXDefaultArgExpr>(Args[I]))
537 Args[I]->printPretty(Out, Context, 0, Policy, Indentation);
545 AFT->getResultType().getAsStringInternal(Proto, Policy);
547 Ty.getAsStringInternal(Proto, Policy);
551 prettyPrintAttributes(D);
555 else if (D->isDeletedAsWritten())
557 else if (D->doesThisDeclarationHaveABody()) {
558 if (!D->hasPrototype() && D->getNumParams()) {
559 // This is a K&R function definition, so we need to print the
562 DeclPrinter ParamPrinter(Out, Context, SubPolicy, Indentation);
563 Indentation += Policy.Indentation;
564 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
566 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
569 Indentation -= Policy.Indentation;
573 D->getBody()->printPretty(Out, Context, 0, SubPolicy, Indentation);
578 void DeclPrinter::VisitFieldDecl(FieldDecl *D) {
579 if (!Policy.SuppressSpecifiers && D->isMutable())
581 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
582 Out << "__module_private__ ";
584 std::string Name = D->getNameAsString();
585 D->getType().getAsStringInternal(Name, Policy);
588 if (D->isBitField()) {
590 D->getBitWidth()->printPretty(Out, Context, 0, Policy, Indentation);
593 Expr *Init = D->getInClassInitializer();
594 if (!Policy.SuppressInitializers && Init) {
596 Init->printPretty(Out, Context, 0, Policy, Indentation);
598 prettyPrintAttributes(D);
601 void DeclPrinter::VisitLabelDecl(LabelDecl *D) {
606 void DeclPrinter::VisitVarDecl(VarDecl *D) {
607 StorageClass SCAsWritten = D->getStorageClassAsWritten();
608 if (!Policy.SuppressSpecifiers && SCAsWritten != SC_None)
609 Out << VarDecl::getStorageClassSpecifierString(SCAsWritten) << " ";
611 if (!Policy.SuppressSpecifiers && D->isThreadSpecified())
613 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
614 Out << "__module_private__ ";
616 std::string Name = D->getNameAsString();
617 QualType T = D->getType();
618 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D))
619 T = Parm->getOriginalType();
620 T.getAsStringInternal(Name, Policy);
622 Expr *Init = D->getInit();
623 if (!Policy.SuppressInitializers && Init) {
624 bool ImplicitInit = false;
625 if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init))
626 ImplicitInit = D->getInitStyle() == VarDecl::CallInit &&
627 Construct->getNumArgs() == 0 && !Construct->isListInitialization();
629 if (D->getInitStyle() == VarDecl::CallInit)
631 else if (D->getInitStyle() == VarDecl::CInit) {
634 Init->printPretty(Out, Context, 0, Policy, Indentation);
635 if (D->getInitStyle() == VarDecl::CallInit)
639 prettyPrintAttributes(D);
642 void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
646 void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
648 D->getAsmString()->printPretty(Out, Context, 0, Policy, Indentation);
652 void DeclPrinter::VisitImportDecl(ImportDecl *D) {
653 Out << "@__experimental_modules_import " << D->getImportedModule()->getFullModuleName()
657 void DeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) {
658 Out << "static_assert(";
659 D->getAssertExpr()->printPretty(Out, Context, 0, Policy, Indentation);
661 D->getMessage()->printPretty(Out, Context, 0, Policy, Indentation);
665 //----------------------------------------------------------------------------
667 //----------------------------------------------------------------------------
668 void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
669 Out << "namespace " << *D << " {\n";
674 void DeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
675 Out << "using namespace ";
676 if (D->getQualifier())
677 D->getQualifier()->print(Out, Policy);
678 Out << *D->getNominatedNamespaceAsWritten();
681 void DeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
682 Out << "namespace " << *D << " = ";
683 if (D->getQualifier())
684 D->getQualifier()->print(Out, Policy);
685 Out << *D->getAliasedNamespace();
688 void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
689 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
690 Out << "__module_private__ ";
691 Out << D->getKindName();
692 if (D->getIdentifier())
695 if (D->isCompleteDefinition()) {
696 // Print the base classes
697 if (D->getNumBases()) {
699 for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
700 BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) {
701 if (Base != D->bases_begin())
704 if (Base->isVirtual())
707 AccessSpecifier AS = Base->getAccessSpecifierAsWritten();
710 Out << " " << Base->getType().getAsString(Policy);
712 if (Base->isPackExpansion())
717 // Print the class definition
718 // FIXME: Doesn't print access specifiers, e.g., "public:"
725 void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
727 if (D->getLanguage() == LinkageSpecDecl::lang_c)
730 assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
731 "unknown language in linkage specification");
735 Out << "extern \"" << l << "\" ";
736 if (D->hasBraces()) {
741 Visit(*D->decls_begin());
744 void DeclPrinter::PrintTemplateParameters(
745 const TemplateParameterList *Params, const TemplateArgumentList *Args = 0) {
747 assert(!Args || Params->size() == Args->size());
751 for (unsigned i = 0, e = Params->size(); i != e; ++i) {
755 const Decl *Param = Params->getParam(i);
756 if (const TemplateTypeParmDecl *TTP =
757 dyn_cast<TemplateTypeParmDecl>(Param)) {
759 if (TTP->wasDeclaredWithTypename())
764 if (TTP->isParameterPack())
771 Args->get(i).print(Policy, Out);
772 } else if (TTP->hasDefaultArgument()) {
774 Out << TTP->getDefaultArgument().getAsString(Policy);
776 } else if (const NonTypeTemplateParmDecl *NTTP =
777 dyn_cast<NonTypeTemplateParmDecl>(Param)) {
778 Out << NTTP->getType().getAsString(Policy);
780 if (NTTP->isParameterPack() && !isa<PackExpansionType>(NTTP->getType()))
783 if (IdentifierInfo *Name = NTTP->getIdentifier()) {
785 Out << Name->getName();
790 Args->get(i).print(Policy, Out);
791 } else if (NTTP->hasDefaultArgument()) {
793 NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy,
796 } else if (const TemplateTemplateParmDecl *TTPD =
797 dyn_cast<TemplateTemplateParmDecl>(Param)) {
798 VisitTemplateDecl(TTPD);
799 // FIXME: print the default argument, if present.
806 void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
807 PrintTemplateParameters(D->getTemplateParameters());
809 if (const TemplateTemplateParmDecl *TTP =
810 dyn_cast<TemplateTemplateParmDecl>(D)) {
812 if (TTP->isParameterPack())
816 Visit(D->getTemplatedDecl());
820 void DeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
821 if (PrintInstantiation) {
822 TemplateParameterList *Params = D->getTemplateParameters();
823 for (FunctionTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end();
825 PrintTemplateParameters(Params, (*I)->getTemplateSpecializationArgs());
830 return VisitRedeclarableTemplateDecl(D);
833 void DeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
834 if (PrintInstantiation) {
835 TemplateParameterList *Params = D->getTemplateParameters();
836 for (ClassTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end();
838 PrintTemplateParameters(Params, &(*I)->getTemplateArgs());
844 return VisitRedeclarableTemplateDecl(D);
847 //----------------------------------------------------------------------------
848 // Objective-C declarations
849 //----------------------------------------------------------------------------
851 void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) {
852 if (OMD->isInstanceMethod())
856 if (!OMD->getResultType().isNull())
857 Out << '(' << OMD->getResultType().getAsString(Policy) << ")";
859 std::string name = OMD->getSelector().getAsString();
860 std::string::size_type pos, lastPos = 0;
861 for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(),
862 E = OMD->param_end(); PI != E; ++PI) {
863 // FIXME: selector is missing here!
864 pos = name.find_first_of(':', lastPos);
865 Out << " " << name.substr(lastPos, pos - lastPos);
866 Out << ":(" << (*PI)->getType().getAsString(Policy) << ')' << **PI;
870 if (OMD->param_begin() == OMD->param_end())
873 if (OMD->isVariadic())
876 if (OMD->getBody()) {
878 OMD->getBody()->printPretty(Out, Context, 0, Policy);
883 void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) {
884 std::string I = OID->getNameAsString();
885 ObjCInterfaceDecl *SID = OID->getSuperClass();
888 Out << "@implementation " << I << " : " << *SID;
890 Out << "@implementation " << I;
892 VisitDeclContext(OID, false);
896 void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
897 std::string I = OID->getNameAsString();
898 ObjCInterfaceDecl *SID = OID->getSuperClass();
900 if (!OID->isThisDeclarationADefinition()) {
901 Out << "@class " << I << ";";
906 Out << "@interface " << I << " : " << *SID;
908 Out << "@interface " << I;
911 const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
912 if (!Protocols.empty()) {
913 for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
914 E = Protocols.end(); I != E; ++I)
915 Out << (I == Protocols.begin() ? '<' : ',') << **I;
918 if (!Protocols.empty())
921 if (OID->ivar_size() > 0) {
923 Indentation += Policy.Indentation;
924 for (ObjCInterfaceDecl::ivar_iterator I = OID->ivar_begin(),
925 E = OID->ivar_end(); I != E; ++I) {
926 Indent() << (*I)->getType().getAsString(Policy) << ' ' << **I << ";\n";
928 Indentation -= Policy.Indentation;
932 VisitDeclContext(OID, false);
934 // FIXME: implement the rest...
937 void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
938 if (!PID->isThisDeclarationADefinition()) {
939 Out << "@protocol " << PID->getIdentifier() << ";\n";
943 Out << "@protocol " << *PID << '\n';
944 VisitDeclContext(PID, false);
948 void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
949 Out << "@implementation " << *PID->getClassInterface() << '(' << *PID <<")\n";
951 VisitDeclContext(PID, false);
953 // FIXME: implement the rest...
956 void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
957 Out << "@interface " << *PID->getClassInterface() << '(' << *PID << ")\n";
958 VisitDeclContext(PID, false);
961 // FIXME: implement the rest...
964 void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) {
965 Out << "@compatibility_alias " << *AID
966 << ' ' << *AID->getClassInterface() << ";\n";
969 /// PrintObjCPropertyDecl - print a property declaration.
971 void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
972 if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required)
973 Out << "@required\n";
974 else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional)
975 Out << "@optional\n";
978 if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) {
981 if (PDecl->getPropertyAttributes() &
982 ObjCPropertyDecl::OBJC_PR_readonly) {
983 Out << (first ? ' ' : ',') << "readonly";
987 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
988 Out << (first ? ' ' : ',') << "getter = "
989 << PDecl->getGetterName().getAsString();
992 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) {
993 Out << (first ? ' ' : ',') << "setter = "
994 << PDecl->getSetterName().getAsString();
998 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) {
999 Out << (first ? ' ' : ',') << "assign";
1003 if (PDecl->getPropertyAttributes() &
1004 ObjCPropertyDecl::OBJC_PR_readwrite) {
1005 Out << (first ? ' ' : ',') << "readwrite";
1009 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) {
1010 Out << (first ? ' ' : ',') << "retain";
1014 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_strong) {
1015 Out << (first ? ' ' : ',') << "strong";
1019 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) {
1020 Out << (first ? ' ' : ',') << "copy";
1024 if (PDecl->getPropertyAttributes() &
1025 ObjCPropertyDecl::OBJC_PR_nonatomic) {
1026 Out << (first ? ' ' : ',') << "nonatomic";
1029 if (PDecl->getPropertyAttributes() &
1030 ObjCPropertyDecl::OBJC_PR_atomic) {
1031 Out << (first ? ' ' : ',') << "atomic";
1035 (void) first; // Silence dead store warning due to idiomatic code.
1038 Out << ' ' << PDecl->getType().getAsString(Policy) << ' ' << *PDecl;
1041 void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) {
1042 if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
1043 Out << "@synthesize ";
1046 Out << *PID->getPropertyDecl();
1047 if (PID->getPropertyIvarDecl())
1048 Out << '=' << *PID->getPropertyIvarDecl();
1051 void DeclPrinter::VisitUsingDecl(UsingDecl *D) {
1053 D->getQualifier()->print(Out, Policy);
1058 DeclPrinter::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) {
1059 Out << "using typename ";
1060 D->getQualifier()->print(Out, Policy);
1061 Out << D->getDeclName();
1064 void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
1066 D->getQualifier()->print(Out, Policy);
1067 Out << D->getDeclName();
1070 void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) {