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Diffstat (limited to 'clang/lib/AST/DeclPrinter.cpp')
| -rw-r--r-- | clang/lib/AST/DeclPrinter.cpp | 1072 |
1 files changed, 1072 insertions, 0 deletions
diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp new file mode 100644 index 0000000..74e1c1b --- /dev/null +++ b/clang/lib/AST/DeclPrinter.cpp @@ -0,0 +1,1072 @@ +//===--- DeclPrinter.cpp - Printing implementation for Decl ASTs ----------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the Decl::dump method, which pretty print the +// AST back out to C/Objective-C/C++/Objective-C++ code. +// +//===----------------------------------------------------------------------===// +#include "clang/AST/ASTContext.h" +#include "clang/AST/DeclVisitor.h" +#include "clang/AST/Decl.h" +#include "clang/AST/DeclCXX.h" +#include "clang/AST/DeclObjC.h" +#include "clang/AST/Expr.h" +#include "clang/AST/ExprCXX.h" +#include "clang/AST/PrettyPrinter.h" +#include "clang/Basic/Module.h" +#include "llvm/Support/raw_ostream.h" +using namespace clang; + +namespace { + class DeclPrinter : public DeclVisitor<DeclPrinter> { + raw_ostream &Out; + ASTContext &Context; + PrintingPolicy Policy; + unsigned Indentation; + bool PrintInstantiation; + + raw_ostream& Indent() { return Indent(Indentation); } + raw_ostream& Indent(unsigned Indentation); + void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls); + + void Print(AccessSpecifier AS); + + public: + DeclPrinter(raw_ostream &Out, ASTContext &Context, + const PrintingPolicy &Policy, + unsigned Indentation = 0, + bool PrintInstantiation = false) + : Out(Out), Context(Context), Policy(Policy), Indentation(Indentation), + PrintInstantiation(PrintInstantiation) { } + + void VisitDeclContext(DeclContext *DC, bool Indent = true); + + void VisitTranslationUnitDecl(TranslationUnitDecl *D); + void VisitTypedefDecl(TypedefDecl *D); + void VisitTypeAliasDecl(TypeAliasDecl *D); + void VisitEnumDecl(EnumDecl *D); + void VisitRecordDecl(RecordDecl *D); + void VisitEnumConstantDecl(EnumConstantDecl *D); + void VisitFunctionDecl(FunctionDecl *D); + void VisitFieldDecl(FieldDecl *D); + void VisitVarDecl(VarDecl *D); + void VisitLabelDecl(LabelDecl *D); + void VisitParmVarDecl(ParmVarDecl *D); + void VisitFileScopeAsmDecl(FileScopeAsmDecl *D); + void VisitImportDecl(ImportDecl *D); + void VisitStaticAssertDecl(StaticAssertDecl *D); + void VisitNamespaceDecl(NamespaceDecl *D); + void VisitUsingDirectiveDecl(UsingDirectiveDecl *D); + void VisitNamespaceAliasDecl(NamespaceAliasDecl *D); + void VisitCXXRecordDecl(CXXRecordDecl *D); + void VisitLinkageSpecDecl(LinkageSpecDecl *D); + void VisitTemplateDecl(const TemplateDecl *D); + void VisitFunctionTemplateDecl(FunctionTemplateDecl *D); + void VisitClassTemplateDecl(ClassTemplateDecl *D); + void VisitObjCMethodDecl(ObjCMethodDecl *D); + void VisitObjCImplementationDecl(ObjCImplementationDecl *D); + void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); + void VisitObjCProtocolDecl(ObjCProtocolDecl *D); + void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); + void VisitObjCCategoryDecl(ObjCCategoryDecl *D); + void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D); + void VisitObjCPropertyDecl(ObjCPropertyDecl *D); + void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); + void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); + void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); + void VisitUsingDecl(UsingDecl *D); + void VisitUsingShadowDecl(UsingShadowDecl *D); + + void PrintTemplateParameters(const TemplateParameterList *Params, + const TemplateArgumentList *Args); + void prettyPrintAttributes(Decl *D); + }; +} + +void Decl::print(raw_ostream &Out, unsigned Indentation, + bool PrintInstantiation) const { + print(Out, getASTContext().getPrintingPolicy(), Indentation, PrintInstantiation); +} + +void Decl::print(raw_ostream &Out, const PrintingPolicy &Policy, + unsigned Indentation, bool PrintInstantiation) const { + DeclPrinter Printer(Out, getASTContext(), Policy, Indentation, PrintInstantiation); + Printer.Visit(const_cast<Decl*>(this)); +} + +static QualType GetBaseType(QualType T) { + // FIXME: This should be on the Type class! + QualType BaseType = T; + while (!BaseType->isSpecifierType()) { + if (isa<TypedefType>(BaseType)) + break; + else if (const PointerType* PTy = BaseType->getAs<PointerType>()) + BaseType = PTy->getPointeeType(); + else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType)) + BaseType = ATy->getElementType(); + else if (const FunctionType* FTy = BaseType->getAs<FunctionType>()) + BaseType = FTy->getResultType(); + else if (const VectorType *VTy = BaseType->getAs<VectorType>()) + BaseType = VTy->getElementType(); + else + llvm_unreachable("Unknown declarator!"); + } + return BaseType; +} + +static QualType getDeclType(Decl* D) { + if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D)) + return TDD->getUnderlyingType(); + if (ValueDecl* VD = dyn_cast<ValueDecl>(D)) + return VD->getType(); + return QualType(); +} + +void Decl::printGroup(Decl** Begin, unsigned NumDecls, + raw_ostream &Out, const PrintingPolicy &Policy, + unsigned Indentation) { + if (NumDecls == 1) { + (*Begin)->print(Out, Policy, Indentation); + return; + } + + Decl** End = Begin + NumDecls; + TagDecl* TD = dyn_cast<TagDecl>(*Begin); + if (TD) + ++Begin; + + PrintingPolicy SubPolicy(Policy); + if (TD && TD->isCompleteDefinition()) { + TD->print(Out, Policy, Indentation); + Out << " "; + SubPolicy.SuppressTag = true; + } + + bool isFirst = true; + for ( ; Begin != End; ++Begin) { + if (isFirst) { + SubPolicy.SuppressSpecifiers = false; + isFirst = false; + } else { + if (!isFirst) Out << ", "; + SubPolicy.SuppressSpecifiers = true; + } + + (*Begin)->print(Out, SubPolicy, Indentation); + } +} + +void DeclContext::dumpDeclContext() const { + // Get the translation unit + const DeclContext *DC = this; + while (!DC->isTranslationUnit()) + DC = DC->getParent(); + + ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext(); + DeclPrinter Printer(llvm::errs(), Ctx, Ctx.getPrintingPolicy(), 0); + Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false); +} + +void Decl::dump() const { + print(llvm::errs()); +} + +raw_ostream& DeclPrinter::Indent(unsigned Indentation) { + for (unsigned i = 0; i != Indentation; ++i) + Out << " "; + return Out; +} + +void DeclPrinter::prettyPrintAttributes(Decl *D) { + if (D->hasAttrs()) { + AttrVec &Attrs = D->getAttrs(); + for (AttrVec::const_iterator i=Attrs.begin(), e=Attrs.end(); i!=e; ++i) { + Attr *A = *i; + A->printPretty(Out, Context); + } + } +} + +void DeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) { + this->Indent(); + Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation); + Out << ";\n"; + Decls.clear(); + +} + +void DeclPrinter::Print(AccessSpecifier AS) { + switch(AS) { + case AS_none: llvm_unreachable("No access specifier!"); + case AS_public: Out << "public"; break; + case AS_protected: Out << "protected"; break; + case AS_private: Out << "private"; break; + } +} + +//---------------------------------------------------------------------------- +// Common C declarations +//---------------------------------------------------------------------------- + +void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) { + if (Indent) + Indentation += Policy.Indentation; + + SmallVector<Decl*, 2> Decls; + for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end(); + D != DEnd; ++D) { + + // Don't print ObjCIvarDecls, as they are printed when visiting the + // containing ObjCInterfaceDecl. + if (isa<ObjCIvarDecl>(*D)) + continue; + + if (!Policy.Dump) { + // Skip over implicit declarations in pretty-printing mode. + if (D->isImplicit()) continue; + // FIXME: Ugly hack so we don't pretty-print the builtin declaration + // of __builtin_va_list or __[u]int128_t. There should be some other way + // to check that. + if (NamedDecl *ND = dyn_cast<NamedDecl>(*D)) { + if (IdentifierInfo *II = ND->getIdentifier()) { + if (II->isStr("__builtin_va_list") || + II->isStr("__int128_t") || II->isStr("__uint128_t")) + continue; + } + } + } + + // The next bits of code handles stuff like "struct {int x;} a,b"; we're + // forced to merge the declarations because there's no other way to + // refer to the struct in question. This limited merging is safe without + // a bunch of other checks because it only merges declarations directly + // referring to the tag, not typedefs. + // + // Check whether the current declaration should be grouped with a previous + // unnamed struct. + QualType CurDeclType = getDeclType(*D); + if (!Decls.empty() && !CurDeclType.isNull()) { + QualType BaseType = GetBaseType(CurDeclType); + if (!BaseType.isNull() && isa<TagType>(BaseType) && + cast<TagType>(BaseType)->getDecl() == Decls[0]) { + Decls.push_back(*D); + continue; + } + } + + // If we have a merged group waiting to be handled, handle it now. + if (!Decls.empty()) + ProcessDeclGroup(Decls); + + // If the current declaration is an unnamed tag type, save it + // so we can merge it with the subsequent declaration(s) using it. + if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) { + Decls.push_back(*D); + continue; + } + + if (isa<AccessSpecDecl>(*D)) { + Indentation -= Policy.Indentation; + this->Indent(); + Print(D->getAccess()); + Out << ":\n"; + Indentation += Policy.Indentation; + continue; + } + + this->Indent(); + Visit(*D); + + // FIXME: Need to be able to tell the DeclPrinter when + const char *Terminator = 0; + if (isa<FunctionDecl>(*D) && + cast<FunctionDecl>(*D)->isThisDeclarationADefinition()) + Terminator = 0; + else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody()) + Terminator = 0; + else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) || + isa<ObjCImplementationDecl>(*D) || + isa<ObjCInterfaceDecl>(*D) || + isa<ObjCProtocolDecl>(*D) || + isa<ObjCCategoryImplDecl>(*D) || + isa<ObjCCategoryDecl>(*D)) + Terminator = 0; + else if (isa<EnumConstantDecl>(*D)) { + DeclContext::decl_iterator Next = D; + ++Next; + if (Next != DEnd) + Terminator = ","; + } else + Terminator = ";"; + + if (Terminator) + Out << Terminator; + Out << "\n"; + } + + if (!Decls.empty()) + ProcessDeclGroup(Decls); + + if (Indent) + Indentation -= Policy.Indentation; +} + +void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { + VisitDeclContext(D, false); +} + +void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) { + std::string S = D->getNameAsString(); + D->getUnderlyingType().getAsStringInternal(S, Policy); + if (!Policy.SuppressSpecifiers) { + Out << "typedef "; + + if (D->isModulePrivate()) + Out << "__module_private__ "; + } + Out << S; + prettyPrintAttributes(D); +} + +void DeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) { + Out << "using " << *D << " = " << D->getUnderlyingType().getAsString(Policy); +} + +void DeclPrinter::VisitEnumDecl(EnumDecl *D) { + if (!Policy.SuppressSpecifiers && D->isModulePrivate()) + Out << "__module_private__ "; + Out << "enum "; + if (D->isScoped()) { + if (D->isScopedUsingClassTag()) + Out << "class "; + else + Out << "struct "; + } + Out << *D; + + if (D->isFixed()) { + std::string Underlying; + D->getIntegerType().getAsStringInternal(Underlying, Policy); + Out << " : " << Underlying; + } + + if (D->isCompleteDefinition()) { + Out << " {\n"; + VisitDeclContext(D); + Indent() << "}"; + } + prettyPrintAttributes(D); +} + +void DeclPrinter::VisitRecordDecl(RecordDecl *D) { + if (!Policy.SuppressSpecifiers && D->isModulePrivate()) + Out << "__module_private__ "; + Out << D->getKindName(); + if (D->getIdentifier()) + Out << ' ' << *D; + + if (D->isCompleteDefinition()) { + Out << " {\n"; + VisitDeclContext(D); + Indent() << "}"; + } +} + +void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) { + Out << *D; + if (Expr *Init = D->getInitExpr()) { + Out << " = "; + Init->printPretty(Out, Context, 0, Policy, Indentation); + } +} + +void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) { + if (!Policy.SuppressSpecifiers) { + switch (D->getStorageClassAsWritten()) { + case SC_None: break; + case SC_Extern: Out << "extern "; break; + case SC_Static: Out << "static "; break; + case SC_PrivateExtern: Out << "__private_extern__ "; break; + case SC_Auto: case SC_Register: case SC_OpenCLWorkGroupLocal: + llvm_unreachable("invalid for functions"); + } + + if (D->isInlineSpecified()) Out << "inline "; + if (D->isVirtualAsWritten()) Out << "virtual "; + if (D->isModulePrivate()) Out << "__module_private__ "; + } + + PrintingPolicy SubPolicy(Policy); + SubPolicy.SuppressSpecifiers = false; + std::string Proto = D->getNameInfo().getAsString(); + + QualType Ty = D->getType(); + while (const ParenType *PT = dyn_cast<ParenType>(Ty)) { + Proto = '(' + Proto + ')'; + Ty = PT->getInnerType(); + } + + if (isa<FunctionType>(Ty)) { + const FunctionType *AFT = Ty->getAs<FunctionType>(); + const FunctionProtoType *FT = 0; + if (D->hasWrittenPrototype()) + FT = dyn_cast<FunctionProtoType>(AFT); + + Proto += "("; + if (FT) { + llvm::raw_string_ostream POut(Proto); + DeclPrinter ParamPrinter(POut, Context, SubPolicy, Indentation); + for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) { + if (i) POut << ", "; + ParamPrinter.VisitParmVarDecl(D->getParamDecl(i)); + } + + if (FT->isVariadic()) { + if (D->getNumParams()) POut << ", "; + POut << "..."; + } + } else if (D->doesThisDeclarationHaveABody() && !D->hasPrototype()) { + for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) { + if (i) + Proto += ", "; + Proto += D->getParamDecl(i)->getNameAsString(); + } + } + + Proto += ")"; + + if (FT && FT->getTypeQuals()) { + unsigned TypeQuals = FT->getTypeQuals(); + if (TypeQuals & Qualifiers::Const) + Proto += " const"; + if (TypeQuals & Qualifiers::Volatile) + Proto += " volatile"; + if (TypeQuals & Qualifiers::Restrict) + Proto += " restrict"; + } + + if (FT && FT->hasDynamicExceptionSpec()) { + Proto += " throw("; + if (FT->getExceptionSpecType() == EST_MSAny) + Proto += "..."; + else + for (unsigned I = 0, N = FT->getNumExceptions(); I != N; ++I) { + if (I) + Proto += ", "; + + std::string ExceptionType; + FT->getExceptionType(I).getAsStringInternal(ExceptionType, SubPolicy); + Proto += ExceptionType; + } + Proto += ")"; + } else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) { + Proto += " noexcept"; + if (FT->getExceptionSpecType() == EST_ComputedNoexcept) { + Proto += "("; + llvm::raw_string_ostream EOut(Proto); + FT->getNoexceptExpr()->printPretty(EOut, Context, 0, SubPolicy, + Indentation); + EOut.flush(); + Proto += EOut.str(); + Proto += ")"; + } + } + + if (CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D)) { + bool HasInitializerList = false; + for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(), + E = CDecl->init_end(); + B != E; ++B) { + CXXCtorInitializer * BMInitializer = (*B); + if (BMInitializer->isInClassMemberInitializer()) + continue; + + if (!HasInitializerList) { + Proto += " : "; + Out << Proto; + Proto.clear(); + HasInitializerList = true; + } else + Out << ", "; + + if (BMInitializer->isAnyMemberInitializer()) { + FieldDecl *FD = BMInitializer->getAnyMember(); + Out << *FD; + } else { + Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy); + } + + Out << "("; + if (!BMInitializer->getInit()) { + // Nothing to print + } else { + Expr *Init = BMInitializer->getInit(); + if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init)) + Init = Tmp->getSubExpr(); + + Init = Init->IgnoreParens(); + + Expr *SimpleInit = 0; + Expr **Args = 0; + unsigned NumArgs = 0; + if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) { + Args = ParenList->getExprs(); + NumArgs = ParenList->getNumExprs(); + } else if (CXXConstructExpr *Construct + = dyn_cast<CXXConstructExpr>(Init)) { + Args = Construct->getArgs(); + NumArgs = Construct->getNumArgs(); + } else + SimpleInit = Init; + + if (SimpleInit) + SimpleInit->printPretty(Out, Context, 0, Policy, Indentation); + else { + for (unsigned I = 0; I != NumArgs; ++I) { + if (isa<CXXDefaultArgExpr>(Args[I])) + break; + + if (I) + Out << ", "; + Args[I]->printPretty(Out, Context, 0, Policy, Indentation); + } + } + } + Out << ")"; + } + } + else + AFT->getResultType().getAsStringInternal(Proto, Policy); + } else { + Ty.getAsStringInternal(Proto, Policy); + } + + Out << Proto; + prettyPrintAttributes(D); + + if (D->isPure()) + Out << " = 0"; + else if (D->isDeletedAsWritten()) + Out << " = delete"; + else if (D->doesThisDeclarationHaveABody()) { + if (!D->hasPrototype() && D->getNumParams()) { + // This is a K&R function definition, so we need to print the + // parameters. + Out << '\n'; + DeclPrinter ParamPrinter(Out, Context, SubPolicy, Indentation); + Indentation += Policy.Indentation; + for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) { + Indent(); + ParamPrinter.VisitParmVarDecl(D->getParamDecl(i)); + Out << ";\n"; + } + Indentation -= Policy.Indentation; + } else + Out << ' '; + + D->getBody()->printPretty(Out, Context, 0, SubPolicy, Indentation); + Out << '\n'; + } +} + +void DeclPrinter::VisitFieldDecl(FieldDecl *D) { + if (!Policy.SuppressSpecifiers && D->isMutable()) + Out << "mutable "; + if (!Policy.SuppressSpecifiers && D->isModulePrivate()) + Out << "__module_private__ "; + + std::string Name = D->getNameAsString(); + D->getType().getAsStringInternal(Name, Policy); + Out << Name; + + if (D->isBitField()) { + Out << " : "; + D->getBitWidth()->printPretty(Out, Context, 0, Policy, Indentation); + } + + Expr *Init = D->getInClassInitializer(); + if (!Policy.SuppressInitializers && Init) { + Out << " = "; + Init->printPretty(Out, Context, 0, Policy, Indentation); + } + prettyPrintAttributes(D); +} + +void DeclPrinter::VisitLabelDecl(LabelDecl *D) { + Out << *D << ":"; +} + + +void DeclPrinter::VisitVarDecl(VarDecl *D) { + StorageClass SCAsWritten = D->getStorageClassAsWritten(); + if (!Policy.SuppressSpecifiers && SCAsWritten != SC_None) + Out << VarDecl::getStorageClassSpecifierString(SCAsWritten) << " "; + + if (!Policy.SuppressSpecifiers && D->isThreadSpecified()) + Out << "__thread "; + if (!Policy.SuppressSpecifiers && D->isModulePrivate()) + Out << "__module_private__ "; + + std::string Name = D->getNameAsString(); + QualType T = D->getType(); + if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) + T = Parm->getOriginalType(); + T.getAsStringInternal(Name, Policy); + Out << Name; + Expr *Init = D->getInit(); + if (!Policy.SuppressInitializers && Init) { + bool ImplicitInit = false; + if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) + ImplicitInit = D->getInitStyle() == VarDecl::CallInit && + Construct->getNumArgs() == 0 && !Construct->isListInitialization(); + if (!ImplicitInit) { + if (D->getInitStyle() == VarDecl::CallInit) + Out << "("; + else if (D->getInitStyle() == VarDecl::CInit) { + Out << " = "; + } + Init->printPretty(Out, Context, 0, Policy, Indentation); + if (D->getInitStyle() == VarDecl::CallInit) + Out << ")"; + } + } + prettyPrintAttributes(D); +} + +void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) { + VisitVarDecl(D); +} + +void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { + Out << "__asm ("; + D->getAsmString()->printPretty(Out, Context, 0, Policy, Indentation); + Out << ")"; +} + +void DeclPrinter::VisitImportDecl(ImportDecl *D) { + Out << "@__experimental_modules_import " << D->getImportedModule()->getFullModuleName() + << ";\n"; +} + +void DeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) { + Out << "static_assert("; + D->getAssertExpr()->printPretty(Out, Context, 0, Policy, Indentation); + Out << ", "; + D->getMessage()->printPretty(Out, Context, 0, Policy, Indentation); + Out << ")"; +} + +//---------------------------------------------------------------------------- +// C++ declarations +//---------------------------------------------------------------------------- +void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) { + Out << "namespace " << *D << " {\n"; + VisitDeclContext(D); + Indent() << "}"; +} + +void DeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { + Out << "using namespace "; + if (D->getQualifier()) + D->getQualifier()->print(Out, Policy); + Out << *D->getNominatedNamespaceAsWritten(); +} + +void DeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { + Out << "namespace " << *D << " = "; + if (D->getQualifier()) + D->getQualifier()->print(Out, Policy); + Out << *D->getAliasedNamespace(); +} + +void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) { + if (!Policy.SuppressSpecifiers && D->isModulePrivate()) + Out << "__module_private__ "; + Out << D->getKindName(); + if (D->getIdentifier()) + Out << ' ' << *D; + + if (D->isCompleteDefinition()) { + // Print the base classes + if (D->getNumBases()) { + Out << " : "; + for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(), + BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) { + if (Base != D->bases_begin()) + Out << ", "; + + if (Base->isVirtual()) + Out << "virtual "; + + AccessSpecifier AS = Base->getAccessSpecifierAsWritten(); + if (AS != AS_none) + Print(AS); + Out << " " << Base->getType().getAsString(Policy); + + if (Base->isPackExpansion()) + Out << "..."; + } + } + + // Print the class definition + // FIXME: Doesn't print access specifiers, e.g., "public:" + Out << " {\n"; + VisitDeclContext(D); + Indent() << "}"; + } +} + +void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { + const char *l; + if (D->getLanguage() == LinkageSpecDecl::lang_c) + l = "C"; + else { + assert(D->getLanguage() == LinkageSpecDecl::lang_cxx && + "unknown language in linkage specification"); + l = "C++"; + } + + Out << "extern \"" << l << "\" "; + if (D->hasBraces()) { + Out << "{\n"; + VisitDeclContext(D); + Indent() << "}"; + } else + Visit(*D->decls_begin()); +} + +void DeclPrinter::PrintTemplateParameters( + const TemplateParameterList *Params, const TemplateArgumentList *Args = 0) { + assert(Params); + assert(!Args || Params->size() == Args->size()); + + Out << "template <"; + + for (unsigned i = 0, e = Params->size(); i != e; ++i) { + if (i != 0) + Out << ", "; + + const Decl *Param = Params->getParam(i); + if (const TemplateTypeParmDecl *TTP = + dyn_cast<TemplateTypeParmDecl>(Param)) { + + if (TTP->wasDeclaredWithTypename()) + Out << "typename "; + else + Out << "class "; + + if (TTP->isParameterPack()) + Out << "... "; + + Out << *TTP; + + if (Args) { + Out << " = "; + Args->get(i).print(Policy, Out); + } else if (TTP->hasDefaultArgument()) { + Out << " = "; + Out << TTP->getDefaultArgument().getAsString(Policy); + }; + } else if (const NonTypeTemplateParmDecl *NTTP = + dyn_cast<NonTypeTemplateParmDecl>(Param)) { + Out << NTTP->getType().getAsString(Policy); + + if (NTTP->isParameterPack() && !isa<PackExpansionType>(NTTP->getType())) + Out << "..."; + + if (IdentifierInfo *Name = NTTP->getIdentifier()) { + Out << ' '; + Out << Name->getName(); + } + + if (Args) { + Out << " = "; + Args->get(i).print(Policy, Out); + } else if (NTTP->hasDefaultArgument()) { + Out << " = "; + NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy, + Indentation); + } + } else if (const TemplateTemplateParmDecl *TTPD = + dyn_cast<TemplateTemplateParmDecl>(Param)) { + VisitTemplateDecl(TTPD); + // FIXME: print the default argument, if present. + } + } + + Out << "> "; +} + +void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) { + PrintTemplateParameters(D->getTemplateParameters()); + + if (const TemplateTemplateParmDecl *TTP = + dyn_cast<TemplateTemplateParmDecl>(D)) { + Out << "class "; + if (TTP->isParameterPack()) + Out << "..."; + Out << D->getName(); + } else { + Visit(D->getTemplatedDecl()); + } +} + +void DeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { + if (PrintInstantiation) { + TemplateParameterList *Params = D->getTemplateParameters(); + for (FunctionTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end(); + I != E; ++I) { + PrintTemplateParameters(Params, (*I)->getTemplateSpecializationArgs()); + Visit(*I); + } + } + + return VisitRedeclarableTemplateDecl(D); +} + +void DeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) { + if (PrintInstantiation) { + TemplateParameterList *Params = D->getTemplateParameters(); + for (ClassTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end(); + I != E; ++I) { + PrintTemplateParameters(Params, &(*I)->getTemplateArgs()); + Visit(*I); + Out << '\n'; + } + } + + return VisitRedeclarableTemplateDecl(D); +} + +//---------------------------------------------------------------------------- +// Objective-C declarations +//---------------------------------------------------------------------------- + +void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) { + if (OMD->isInstanceMethod()) + Out << "- "; + else + Out << "+ "; + if (!OMD->getResultType().isNull()) + Out << '(' << OMD->getResultType().getAsString(Policy) << ")"; + + std::string name = OMD->getSelector().getAsString(); + std::string::size_type pos, lastPos = 0; + for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), + E = OMD->param_end(); PI != E; ++PI) { + // FIXME: selector is missing here! + pos = name.find_first_of(':', lastPos); + Out << " " << name.substr(lastPos, pos - lastPos); + Out << ":(" << (*PI)->getType().getAsString(Policy) << ')' << **PI; + lastPos = pos + 1; + } + + if (OMD->param_begin() == OMD->param_end()) + Out << " " << name; + + if (OMD->isVariadic()) + Out << ", ..."; + + if (OMD->getBody()) { + Out << ' '; + OMD->getBody()->printPretty(Out, Context, 0, Policy); + Out << '\n'; + } +} + +void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) { + std::string I = OID->getNameAsString(); + ObjCInterfaceDecl *SID = OID->getSuperClass(); + + if (SID) + Out << "@implementation " << I << " : " << *SID; + else + Out << "@implementation " << I; + Out << "\n"; + VisitDeclContext(OID, false); + Out << "@end"; +} + +void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) { + std::string I = OID->getNameAsString(); + ObjCInterfaceDecl *SID = OID->getSuperClass(); + + if (!OID->isThisDeclarationADefinition()) { + Out << "@class " << I << ";"; + return; + } + + if (SID) + Out << "@interface " << I << " : " << *SID; + else + Out << "@interface " << I; + + // Protocols? + const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols(); + if (!Protocols.empty()) { + for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), + E = Protocols.end(); I != E; ++I) + Out << (I == Protocols.begin() ? '<' : ',') << **I; + } + + if (!Protocols.empty()) + Out << "> "; + + if (OID->ivar_size() > 0) { + Out << "{\n"; + Indentation += Policy.Indentation; + for (ObjCInterfaceDecl::ivar_iterator I = OID->ivar_begin(), + E = OID->ivar_end(); I != E; ++I) { + Indent() << (*I)->getType().getAsString(Policy) << ' ' << **I << ";\n"; + } + Indentation -= Policy.Indentation; + Out << "}\n"; + } + + VisitDeclContext(OID, false); + Out << "@end"; + // FIXME: implement the rest... +} + +void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) { + if (!PID->isThisDeclarationADefinition()) { + Out << "@protocol " << PID->getIdentifier() << ";\n"; + return; + } + + Out << "@protocol " << *PID << '\n'; + VisitDeclContext(PID, false); + Out << "@end"; +} + +void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) { + Out << "@implementation " << *PID->getClassInterface() << '(' << *PID <<")\n"; + + VisitDeclContext(PID, false); + Out << "@end"; + // FIXME: implement the rest... +} + +void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) { + Out << "@interface " << *PID->getClassInterface() << '(' << *PID << ")\n"; + VisitDeclContext(PID, false); + Out << "@end"; + + // FIXME: implement the rest... +} + +void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) { + Out << "@compatibility_alias " << *AID + << ' ' << *AID->getClassInterface() << ";\n"; +} + +/// PrintObjCPropertyDecl - print a property declaration. +/// +void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) { + if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required) + Out << "@required\n"; + else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional) + Out << "@optional\n"; + + Out << "@property"; + if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) { + bool first = true; + Out << " ("; + if (PDecl->getPropertyAttributes() & + ObjCPropertyDecl::OBJC_PR_readonly) { + Out << (first ? ' ' : ',') << "readonly"; + first = false; + } + + if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { + Out << (first ? ' ' : ',') << "getter = " + << PDecl->getGetterName().getAsString(); + first = false; + } + if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { + Out << (first ? ' ' : ',') << "setter = " + << PDecl->getSetterName().getAsString(); + first = false; + } + + if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) { + Out << (first ? ' ' : ',') << "assign"; + first = false; + } + + if (PDecl->getPropertyAttributes() & + ObjCPropertyDecl::OBJC_PR_readwrite) { + Out << (first ? ' ' : ',') << "readwrite"; + first = false; + } + + if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) { + Out << (first ? ' ' : ',') << "retain"; + first = false; + } + + if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_strong) { + Out << (first ? ' ' : ',') << "strong"; + first = false; + } + + if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) { + Out << (first ? ' ' : ',') << "copy"; + first = false; + } + + if (PDecl->getPropertyAttributes() & + ObjCPropertyDecl::OBJC_PR_nonatomic) { + Out << (first ? ' ' : ',') << "nonatomic"; + first = false; + } + if (PDecl->getPropertyAttributes() & + ObjCPropertyDecl::OBJC_PR_atomic) { + Out << (first ? ' ' : ',') << "atomic"; + first = false; + } + + (void) first; // Silence dead store warning due to idiomatic code. + Out << " )"; + } + Out << ' ' << PDecl->getType().getAsString(Policy) << ' ' << *PDecl; +} + +void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) { + if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize) + Out << "@synthesize "; + else + Out << "@dynamic "; + Out << *PID->getPropertyDecl(); + if (PID->getPropertyIvarDecl()) + Out << '=' << *PID->getPropertyIvarDecl(); +} + +void DeclPrinter::VisitUsingDecl(UsingDecl *D) { + Out << "using "; + D->getQualifier()->print(Out, Policy); + Out << *D; +} + +void +DeclPrinter::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) { + Out << "using typename "; + D->getQualifier()->print(Out, Policy); + Out << D->getDeclName(); +} + +void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { + Out << "using "; + D->getQualifier()->print(Out, Policy); + Out << D->getDeclName(); +} + +void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) { + // ignore +} |