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1733 lines
53 KiB
1733 lines
53 KiB
//===--- DeclPrinter.cpp - Printing implementation for Decl ASTs ----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Decl::print method, which pretty prints the
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// AST back out to C/Objective-C/C++/Objective-C++ code.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/Attr.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/DeclObjC.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/DeclVisitor.h"
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#include "clang/AST/Expr.h"
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#include "clang/AST/ExprCXX.h"
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#include "clang/AST/PrettyPrinter.h"
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#include "clang/Basic/Module.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang;
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namespace {
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class DeclPrinter : public DeclVisitor<DeclPrinter> {
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raw_ostream &Out;
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PrintingPolicy Policy;
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const ASTContext &Context;
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unsigned Indentation;
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bool PrintInstantiation;
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raw_ostream& Indent() { return Indent(Indentation); }
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raw_ostream& Indent(unsigned Indentation);
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void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
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void Print(AccessSpecifier AS);
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void PrintConstructorInitializers(CXXConstructorDecl *CDecl,
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std::string &Proto);
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/// Print an Objective-C method type in parentheses.
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///
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/// \param Quals The Objective-C declaration qualifiers.
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/// \param T The type to print.
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void PrintObjCMethodType(ASTContext &Ctx, Decl::ObjCDeclQualifier Quals,
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QualType T);
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void PrintObjCTypeParams(ObjCTypeParamList *Params);
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public:
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DeclPrinter(raw_ostream &Out, const PrintingPolicy &Policy,
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const ASTContext &Context, unsigned Indentation = 0,
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bool PrintInstantiation = false)
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: Out(Out), Policy(Policy), Context(Context), Indentation(Indentation),
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PrintInstantiation(PrintInstantiation) {}
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void VisitDeclContext(DeclContext *DC, bool Indent = true);
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void VisitTranslationUnitDecl(TranslationUnitDecl *D);
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void VisitTypedefDecl(TypedefDecl *D);
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void VisitTypeAliasDecl(TypeAliasDecl *D);
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void VisitEnumDecl(EnumDecl *D);
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void VisitRecordDecl(RecordDecl *D);
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void VisitEnumConstantDecl(EnumConstantDecl *D);
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void VisitEmptyDecl(EmptyDecl *D);
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void VisitFunctionDecl(FunctionDecl *D);
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void VisitFriendDecl(FriendDecl *D);
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void VisitFieldDecl(FieldDecl *D);
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void VisitVarDecl(VarDecl *D);
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void VisitLabelDecl(LabelDecl *D);
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void VisitParmVarDecl(ParmVarDecl *D);
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void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
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void VisitImportDecl(ImportDecl *D);
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void VisitStaticAssertDecl(StaticAssertDecl *D);
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void VisitNamespaceDecl(NamespaceDecl *D);
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void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
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void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
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void VisitCXXRecordDecl(CXXRecordDecl *D);
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void VisitLinkageSpecDecl(LinkageSpecDecl *D);
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void VisitTemplateDecl(const TemplateDecl *D);
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void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
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void VisitClassTemplateDecl(ClassTemplateDecl *D);
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void VisitClassTemplateSpecializationDecl(
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ClassTemplateSpecializationDecl *D);
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void VisitClassTemplatePartialSpecializationDecl(
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ClassTemplatePartialSpecializationDecl *D);
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void VisitObjCMethodDecl(ObjCMethodDecl *D);
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void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
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void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
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void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
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void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
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void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
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void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
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void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
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void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
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void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
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void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
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void VisitUsingDecl(UsingDecl *D);
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void VisitUsingShadowDecl(UsingShadowDecl *D);
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void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D);
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void VisitOMPAllocateDecl(OMPAllocateDecl *D);
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void VisitOMPRequiresDecl(OMPRequiresDecl *D);
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void VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D);
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void VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D);
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void VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D);
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void VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *TTP);
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void VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl *NTTP);
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void printTemplateParameters(const TemplateParameterList *Params,
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bool OmitTemplateKW = false);
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void printTemplateArguments(llvm::ArrayRef<TemplateArgument> Args);
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void printTemplateArguments(llvm::ArrayRef<TemplateArgumentLoc> Args);
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void prettyPrintAttributes(Decl *D);
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void prettyPrintPragmas(Decl *D);
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void printDeclType(QualType T, StringRef DeclName, bool Pack = false);
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};
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}
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void Decl::print(raw_ostream &Out, unsigned Indentation,
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bool PrintInstantiation) const {
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print(Out, getASTContext().getPrintingPolicy(), Indentation, PrintInstantiation);
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}
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void Decl::print(raw_ostream &Out, const PrintingPolicy &Policy,
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unsigned Indentation, bool PrintInstantiation) const {
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DeclPrinter Printer(Out, Policy, getASTContext(), Indentation,
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PrintInstantiation);
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Printer.Visit(const_cast<Decl*>(this));
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}
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void TemplateParameterList::print(raw_ostream &Out, const ASTContext &Context,
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bool OmitTemplateKW) const {
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print(Out, Context, Context.getPrintingPolicy(), OmitTemplateKW);
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}
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void TemplateParameterList::print(raw_ostream &Out, const ASTContext &Context,
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const PrintingPolicy &Policy,
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bool OmitTemplateKW) const {
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DeclPrinter Printer(Out, Policy, Context);
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Printer.printTemplateParameters(this, OmitTemplateKW);
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}
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static QualType GetBaseType(QualType T) {
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// FIXME: This should be on the Type class!
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QualType BaseType = T;
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while (!BaseType->isSpecifierType()) {
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if (const PointerType *PTy = BaseType->getAs<PointerType>())
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BaseType = PTy->getPointeeType();
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else if (const BlockPointerType *BPy = BaseType->getAs<BlockPointerType>())
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BaseType = BPy->getPointeeType();
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else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
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BaseType = ATy->getElementType();
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else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
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BaseType = FTy->getReturnType();
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else if (const VectorType *VTy = BaseType->getAs<VectorType>())
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BaseType = VTy->getElementType();
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else if (const ReferenceType *RTy = BaseType->getAs<ReferenceType>())
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BaseType = RTy->getPointeeType();
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else if (const AutoType *ATy = BaseType->getAs<AutoType>())
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BaseType = ATy->getDeducedType();
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else if (const ParenType *PTy = BaseType->getAs<ParenType>())
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BaseType = PTy->desugar();
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else
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// This must be a syntax error.
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break;
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}
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return BaseType;
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}
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static QualType getDeclType(Decl* D) {
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if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
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return TDD->getUnderlyingType();
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if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
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return VD->getType();
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return QualType();
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}
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void Decl::printGroup(Decl** Begin, unsigned NumDecls,
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raw_ostream &Out, const PrintingPolicy &Policy,
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unsigned Indentation) {
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if (NumDecls == 1) {
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(*Begin)->print(Out, Policy, Indentation);
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return;
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}
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Decl** End = Begin + NumDecls;
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TagDecl* TD = dyn_cast<TagDecl>(*Begin);
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if (TD)
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++Begin;
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PrintingPolicy SubPolicy(Policy);
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bool isFirst = true;
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for ( ; Begin != End; ++Begin) {
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if (isFirst) {
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if(TD)
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SubPolicy.IncludeTagDefinition = true;
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SubPolicy.SuppressSpecifiers = false;
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isFirst = false;
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} else {
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if (!isFirst) Out << ", ";
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SubPolicy.IncludeTagDefinition = false;
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SubPolicy.SuppressSpecifiers = true;
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}
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(*Begin)->print(Out, SubPolicy, Indentation);
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}
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}
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LLVM_DUMP_METHOD void DeclContext::dumpDeclContext() const {
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// Get the translation unit
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const DeclContext *DC = this;
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while (!DC->isTranslationUnit())
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DC = DC->getParent();
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ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
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DeclPrinter Printer(llvm::errs(), Ctx.getPrintingPolicy(), Ctx, 0);
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Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false);
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}
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raw_ostream& DeclPrinter::Indent(unsigned Indentation) {
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for (unsigned i = 0; i != Indentation; ++i)
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Out << " ";
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return Out;
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}
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void DeclPrinter::prettyPrintAttributes(Decl *D) {
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if (Policy.PolishForDeclaration)
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return;
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if (D->hasAttrs()) {
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AttrVec &Attrs = D->getAttrs();
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for (auto *A : Attrs) {
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if (A->isInherited() || A->isImplicit())
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continue;
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switch (A->getKind()) {
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#define ATTR(X)
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#define PRAGMA_SPELLING_ATTR(X) case attr::X:
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#include "clang/Basic/AttrList.inc"
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break;
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default:
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A->printPretty(Out, Policy);
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break;
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}
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}
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}
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}
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void DeclPrinter::prettyPrintPragmas(Decl *D) {
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if (Policy.PolishForDeclaration)
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return;
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if (D->hasAttrs()) {
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AttrVec &Attrs = D->getAttrs();
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for (auto *A : Attrs) {
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switch (A->getKind()) {
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#define ATTR(X)
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#define PRAGMA_SPELLING_ATTR(X) case attr::X:
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#include "clang/Basic/AttrList.inc"
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A->printPretty(Out, Policy);
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Indent();
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break;
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default:
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break;
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}
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}
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}
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}
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void DeclPrinter::printDeclType(QualType T, StringRef DeclName, bool Pack) {
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// Normally, a PackExpansionType is written as T[3]... (for instance, as a
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// template argument), but if it is the type of a declaration, the ellipsis
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// is placed before the name being declared.
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if (auto *PET = T->getAs<PackExpansionType>()) {
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Pack = true;
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T = PET->getPattern();
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}
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T.print(Out, Policy, (Pack ? "..." : "") + DeclName, Indentation);
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}
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void DeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) {
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this->Indent();
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Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation);
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Out << ";\n";
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Decls.clear();
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}
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void DeclPrinter::Print(AccessSpecifier AS) {
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const auto AccessSpelling = getAccessSpelling(AS);
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if (AccessSpelling.empty())
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llvm_unreachable("No access specifier!");
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Out << AccessSpelling;
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}
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void DeclPrinter::PrintConstructorInitializers(CXXConstructorDecl *CDecl,
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std::string &Proto) {
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bool HasInitializerList = false;
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for (const auto *BMInitializer : CDecl->inits()) {
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if (BMInitializer->isInClassMemberInitializer())
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continue;
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if (!HasInitializerList) {
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Proto += " : ";
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Out << Proto;
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Proto.clear();
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HasInitializerList = true;
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} else
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Out << ", ";
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if (BMInitializer->isAnyMemberInitializer()) {
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FieldDecl *FD = BMInitializer->getAnyMember();
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Out << *FD;
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} else {
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Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
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}
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Out << "(";
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if (!BMInitializer->getInit()) {
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// Nothing to print
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} else {
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Expr *Init = BMInitializer->getInit();
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if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
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Init = Tmp->getSubExpr();
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Init = Init->IgnoreParens();
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Expr *SimpleInit = nullptr;
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Expr **Args = nullptr;
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unsigned NumArgs = 0;
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if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
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Args = ParenList->getExprs();
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NumArgs = ParenList->getNumExprs();
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} else if (CXXConstructExpr *Construct =
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dyn_cast<CXXConstructExpr>(Init)) {
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Args = Construct->getArgs();
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NumArgs = Construct->getNumArgs();
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} else
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SimpleInit = Init;
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if (SimpleInit)
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SimpleInit->printPretty(Out, nullptr, Policy, Indentation);
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else {
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for (unsigned I = 0; I != NumArgs; ++I) {
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assert(Args[I] != nullptr && "Expected non-null Expr");
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if (isa<CXXDefaultArgExpr>(Args[I]))
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break;
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if (I)
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Out << ", ";
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Args[I]->printPretty(Out, nullptr, Policy, Indentation);
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}
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}
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}
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Out << ")";
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if (BMInitializer->isPackExpansion())
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Out << "...";
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}
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}
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//----------------------------------------------------------------------------
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// Common C declarations
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//----------------------------------------------------------------------------
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void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
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if (Policy.TerseOutput)
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return;
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if (Indent)
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Indentation += Policy.Indentation;
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SmallVector<Decl*, 2> Decls;
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for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
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D != DEnd; ++D) {
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// Don't print ObjCIvarDecls, as they are printed when visiting the
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// containing ObjCInterfaceDecl.
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if (isa<ObjCIvarDecl>(*D))
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continue;
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// Skip over implicit declarations in pretty-printing mode.
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if (D->isImplicit())
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continue;
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// Don't print implicit specializations, as they are printed when visiting
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// corresponding templates.
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if (auto FD = dyn_cast<FunctionDecl>(*D))
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if (FD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation &&
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!isa<ClassTemplateSpecializationDecl>(DC))
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continue;
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// The next bits of code handle stuff like "struct {int x;} a,b"; we're
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// forced to merge the declarations because there's no other way to
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// refer to the struct in question. When that struct is named instead, we
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// also need to merge to avoid splitting off a stand-alone struct
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// declaration that produces the warning ext_no_declarators in some
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// contexts.
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//
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// This limited merging is safe without a bunch of other checks because it
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// only merges declarations directly referring to the tag, not typedefs.
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//
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// Check whether the current declaration should be grouped with a previous
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// non-free-standing tag declaration.
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QualType CurDeclType = getDeclType(*D);
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if (!Decls.empty() && !CurDeclType.isNull()) {
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QualType BaseType = GetBaseType(CurDeclType);
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if (!BaseType.isNull() && isa<ElaboratedType>(BaseType) &&
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cast<ElaboratedType>(BaseType)->getOwnedTagDecl() == Decls[0]) {
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Decls.push_back(*D);
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continue;
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}
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}
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// If we have a merged group waiting to be handled, handle it now.
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if (!Decls.empty())
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ProcessDeclGroup(Decls);
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// If the current declaration is not a free standing declaration, save it
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// so we can merge it with the subsequent declaration(s) using it.
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if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->isFreeStanding()) {
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Decls.push_back(*D);
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continue;
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}
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if (isa<AccessSpecDecl>(*D)) {
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Indentation -= Policy.Indentation;
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this->Indent();
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Print(D->getAccess());
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Out << ":\n";
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Indentation += Policy.Indentation;
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continue;
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}
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this->Indent();
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Visit(*D);
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// FIXME: Need to be able to tell the DeclPrinter when
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const char *Terminator = nullptr;
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if (isa<OMPThreadPrivateDecl>(*D) || isa<OMPDeclareReductionDecl>(*D) ||
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isa<OMPDeclareMapperDecl>(*D) || isa<OMPRequiresDecl>(*D) ||
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isa<OMPAllocateDecl>(*D))
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Terminator = nullptr;
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else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->hasBody())
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Terminator = nullptr;
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else if (auto FD = dyn_cast<FunctionDecl>(*D)) {
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if (FD->isThisDeclarationADefinition())
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Terminator = nullptr;
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else
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Terminator = ";";
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} else if (auto TD = dyn_cast<FunctionTemplateDecl>(*D)) {
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if (TD->getTemplatedDecl()->isThisDeclarationADefinition())
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Terminator = nullptr;
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else
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Terminator = ";";
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} else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
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isa<ObjCImplementationDecl>(*D) ||
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isa<ObjCInterfaceDecl>(*D) ||
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isa<ObjCProtocolDecl>(*D) ||
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isa<ObjCCategoryImplDecl>(*D) ||
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isa<ObjCCategoryDecl>(*D))
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Terminator = nullptr;
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else if (isa<EnumConstantDecl>(*D)) {
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DeclContext::decl_iterator Next = D;
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++Next;
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if (Next != DEnd)
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Terminator = ",";
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} else
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Terminator = ";";
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if (Terminator)
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Out << Terminator;
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if (!Policy.TerseOutput &&
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((isa<FunctionDecl>(*D) &&
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cast<FunctionDecl>(*D)->doesThisDeclarationHaveABody()) ||
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(isa<FunctionTemplateDecl>(*D) &&
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cast<FunctionTemplateDecl>(*D)->getTemplatedDecl()->doesThisDeclarationHaveABody())))
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; // StmtPrinter already added '\n' after CompoundStmt.
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else
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Out << "\n";
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|
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// Declare target attribute is special one, natural spelling for the pragma
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|
// assumes "ending" construct so print it here.
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if (D->hasAttr<OMPDeclareTargetDeclAttr>())
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Out << "#pragma omp end declare target\n";
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}
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|
|
if (!Decls.empty())
|
|
ProcessDeclGroup(Decls);
|
|
|
|
if (Indent)
|
|
Indentation -= Policy.Indentation;
|
|
}
|
|
|
|
void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
|
|
VisitDeclContext(D, false);
|
|
}
|
|
|
|
void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
|
|
if (!Policy.SuppressSpecifiers) {
|
|
Out << "typedef ";
|
|
|
|
if (D->isModulePrivate())
|
|
Out << "__module_private__ ";
|
|
}
|
|
QualType Ty = D->getTypeSourceInfo()->getType();
|
|
Ty.print(Out, Policy, D->getName(), Indentation);
|
|
prettyPrintAttributes(D);
|
|
}
|
|
|
|
void DeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) {
|
|
Out << "using " << *D;
|
|
prettyPrintAttributes(D);
|
|
Out << " = " << D->getTypeSourceInfo()->getType().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";
|
|
}
|
|
|
|
prettyPrintAttributes(D);
|
|
|
|
if (D->getDeclName())
|
|
Out << ' ' << D->getDeclName();
|
|
|
|
if (D->isFixed())
|
|
Out << " : " << D->getIntegerType().stream(Policy);
|
|
|
|
if (D->isCompleteDefinition()) {
|
|
Out << " {\n";
|
|
VisitDeclContext(D);
|
|
Indent() << "}";
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitRecordDecl(RecordDecl *D) {
|
|
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
|
|
Out << "__module_private__ ";
|
|
Out << D->getKindName();
|
|
|
|
prettyPrintAttributes(D);
|
|
|
|
if (D->getIdentifier())
|
|
Out << ' ' << *D;
|
|
|
|
if (D->isCompleteDefinition()) {
|
|
Out << " {\n";
|
|
VisitDeclContext(D);
|
|
Indent() << "}";
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
|
|
Out << *D;
|
|
prettyPrintAttributes(D);
|
|
if (Expr *Init = D->getInitExpr()) {
|
|
Out << " = ";
|
|
Init->printPretty(Out, nullptr, Policy, Indentation, "\n", &Context);
|
|
}
|
|
}
|
|
|
|
static void printExplicitSpecifier(ExplicitSpecifier ES, llvm::raw_ostream &Out,
|
|
PrintingPolicy &Policy,
|
|
unsigned Indentation) {
|
|
std::string Proto = "explicit";
|
|
llvm::raw_string_ostream EOut(Proto);
|
|
if (ES.getExpr()) {
|
|
EOut << "(";
|
|
ES.getExpr()->printPretty(EOut, nullptr, Policy, Indentation);
|
|
EOut << ")";
|
|
}
|
|
EOut << " ";
|
|
EOut.flush();
|
|
Out << EOut.str();
|
|
}
|
|
|
|
void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
|
|
if (!D->getDescribedFunctionTemplate() &&
|
|
!D->isFunctionTemplateSpecialization())
|
|
prettyPrintPragmas(D);
|
|
|
|
if (D->isFunctionTemplateSpecialization())
|
|
Out << "template<> ";
|
|
else if (!D->getDescribedFunctionTemplate()) {
|
|
for (unsigned I = 0, NumTemplateParams = D->getNumTemplateParameterLists();
|
|
I < NumTemplateParams; ++I)
|
|
printTemplateParameters(D->getTemplateParameterList(I));
|
|
}
|
|
|
|
CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D);
|
|
CXXConversionDecl *ConversionDecl = dyn_cast<CXXConversionDecl>(D);
|
|
CXXDeductionGuideDecl *GuideDecl = dyn_cast<CXXDeductionGuideDecl>(D);
|
|
if (!Policy.SuppressSpecifiers) {
|
|
switch (D->getStorageClass()) {
|
|
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:
|
|
llvm_unreachable("invalid for functions");
|
|
}
|
|
|
|
if (D->isInlineSpecified()) Out << "inline ";
|
|
if (D->isVirtualAsWritten()) Out << "virtual ";
|
|
if (D->isModulePrivate()) Out << "__module_private__ ";
|
|
if (D->isConstexprSpecified() && !D->isExplicitlyDefaulted())
|
|
Out << "constexpr ";
|
|
if (D->isConsteval()) Out << "consteval ";
|
|
ExplicitSpecifier ExplicitSpec = ExplicitSpecifier::getFromDecl(D);
|
|
if (ExplicitSpec.isSpecified())
|
|
printExplicitSpecifier(ExplicitSpec, Out, Policy, Indentation);
|
|
}
|
|
|
|
PrintingPolicy SubPolicy(Policy);
|
|
SubPolicy.SuppressSpecifiers = false;
|
|
std::string Proto;
|
|
|
|
if (Policy.FullyQualifiedName) {
|
|
Proto += D->getQualifiedNameAsString();
|
|
} else {
|
|
llvm::raw_string_ostream OS(Proto);
|
|
if (!Policy.SuppressScope) {
|
|
if (const NestedNameSpecifier *NS = D->getQualifier()) {
|
|
NS->print(OS, Policy);
|
|
}
|
|
}
|
|
D->getNameInfo().printName(OS, Policy);
|
|
}
|
|
|
|
if (GuideDecl)
|
|
Proto = GuideDecl->getDeducedTemplate()->getDeclName().getAsString();
|
|
if (D->isFunctionTemplateSpecialization()) {
|
|
llvm::raw_string_ostream POut(Proto);
|
|
DeclPrinter TArgPrinter(POut, SubPolicy, Context, Indentation);
|
|
const auto *TArgAsWritten = D->getTemplateSpecializationArgsAsWritten();
|
|
if (TArgAsWritten && !Policy.PrintCanonicalTypes)
|
|
TArgPrinter.printTemplateArguments(TArgAsWritten->arguments());
|
|
else if (const TemplateArgumentList *TArgs =
|
|
D->getTemplateSpecializationArgs())
|
|
TArgPrinter.printTemplateArguments(TArgs->asArray());
|
|
}
|
|
|
|
QualType Ty = D->getType();
|
|
while (const ParenType *PT = dyn_cast<ParenType>(Ty)) {
|
|
Proto = '(' + Proto + ')';
|
|
Ty = PT->getInnerType();
|
|
}
|
|
|
|
if (const FunctionType *AFT = Ty->getAs<FunctionType>()) {
|
|
const FunctionProtoType *FT = nullptr;
|
|
if (D->hasWrittenPrototype())
|
|
FT = dyn_cast<FunctionProtoType>(AFT);
|
|
|
|
Proto += "(";
|
|
if (FT) {
|
|
llvm::raw_string_ostream POut(Proto);
|
|
DeclPrinter ParamPrinter(POut, SubPolicy, Context, 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) {
|
|
if (FT->isConst())
|
|
Proto += " const";
|
|
if (FT->isVolatile())
|
|
Proto += " volatile";
|
|
if (FT->isRestrict())
|
|
Proto += " restrict";
|
|
|
|
switch (FT->getRefQualifier()) {
|
|
case RQ_None:
|
|
break;
|
|
case RQ_LValue:
|
|
Proto += " &";
|
|
break;
|
|
case RQ_RValue:
|
|
Proto += " &&";
|
|
break;
|
|
}
|
|
}
|
|
|
|
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 += ", ";
|
|
|
|
Proto += FT->getExceptionType(I).getAsString(SubPolicy);
|
|
}
|
|
Proto += ")";
|
|
} else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) {
|
|
Proto += " noexcept";
|
|
if (isComputedNoexcept(FT->getExceptionSpecType())) {
|
|
Proto += "(";
|
|
llvm::raw_string_ostream EOut(Proto);
|
|
FT->getNoexceptExpr()->printPretty(EOut, nullptr, SubPolicy,
|
|
Indentation);
|
|
EOut.flush();
|
|
Proto += EOut.str();
|
|
Proto += ")";
|
|
}
|
|
}
|
|
|
|
if (CDecl) {
|
|
if (!Policy.TerseOutput)
|
|
PrintConstructorInitializers(CDecl, Proto);
|
|
} else if (!ConversionDecl && !isa<CXXDestructorDecl>(D)) {
|
|
if (FT && FT->hasTrailingReturn()) {
|
|
if (!GuideDecl)
|
|
Out << "auto ";
|
|
Out << Proto << " -> ";
|
|
Proto.clear();
|
|
}
|
|
AFT->getReturnType().print(Out, Policy, Proto);
|
|
Proto.clear();
|
|
}
|
|
Out << Proto;
|
|
|
|
if (Expr *TrailingRequiresClause = D->getTrailingRequiresClause()) {
|
|
Out << " requires ";
|
|
TrailingRequiresClause->printPretty(Out, nullptr, SubPolicy, Indentation);
|
|
}
|
|
} else {
|
|
Ty.print(Out, Policy, Proto);
|
|
}
|
|
|
|
prettyPrintAttributes(D);
|
|
|
|
if (D->isPure())
|
|
Out << " = 0";
|
|
else if (D->isDeletedAsWritten())
|
|
Out << " = delete";
|
|
else if (D->isExplicitlyDefaulted())
|
|
Out << " = default";
|
|
else if (D->doesThisDeclarationHaveABody()) {
|
|
if (!Policy.TerseOutput) {
|
|
if (!D->hasPrototype() && D->getNumParams()) {
|
|
// This is a K&R function definition, so we need to print the
|
|
// parameters.
|
|
Out << '\n';
|
|
DeclPrinter ParamPrinter(Out, SubPolicy, Context, 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 << ' ';
|
|
|
|
if (D->getBody())
|
|
D->getBody()->printPretty(Out, nullptr, SubPolicy, Indentation);
|
|
} else {
|
|
if (!Policy.TerseOutput && isa<CXXConstructorDecl>(*D))
|
|
Out << " {}";
|
|
}
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitFriendDecl(FriendDecl *D) {
|
|
if (TypeSourceInfo *TSI = D->getFriendType()) {
|
|
unsigned NumTPLists = D->getFriendTypeNumTemplateParameterLists();
|
|
for (unsigned i = 0; i < NumTPLists; ++i)
|
|
printTemplateParameters(D->getFriendTypeTemplateParameterList(i));
|
|
Out << "friend ";
|
|
Out << " " << TSI->getType().getAsString(Policy);
|
|
}
|
|
else if (FunctionDecl *FD =
|
|
dyn_cast<FunctionDecl>(D->getFriendDecl())) {
|
|
Out << "friend ";
|
|
VisitFunctionDecl(FD);
|
|
}
|
|
else if (FunctionTemplateDecl *FTD =
|
|
dyn_cast<FunctionTemplateDecl>(D->getFriendDecl())) {
|
|
Out << "friend ";
|
|
VisitFunctionTemplateDecl(FTD);
|
|
}
|
|
else if (ClassTemplateDecl *CTD =
|
|
dyn_cast<ClassTemplateDecl>(D->getFriendDecl())) {
|
|
Out << "friend ";
|
|
VisitRedeclarableTemplateDecl(CTD);
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitFieldDecl(FieldDecl *D) {
|
|
// FIXME: add printing of pragma attributes if required.
|
|
if (!Policy.SuppressSpecifiers && D->isMutable())
|
|
Out << "mutable ";
|
|
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
|
|
Out << "__module_private__ ";
|
|
|
|
Out << D->getASTContext().getUnqualifiedObjCPointerType(D->getType()).
|
|
stream(Policy, D->getName(), Indentation);
|
|
|
|
if (D->isBitField()) {
|
|
Out << " : ";
|
|
D->getBitWidth()->printPretty(Out, nullptr, Policy, Indentation);
|
|
}
|
|
|
|
Expr *Init = D->getInClassInitializer();
|
|
if (!Policy.SuppressInitializers && Init) {
|
|
if (D->getInClassInitStyle() == ICIS_ListInit)
|
|
Out << " ";
|
|
else
|
|
Out << " = ";
|
|
Init->printPretty(Out, nullptr, Policy, Indentation);
|
|
}
|
|
prettyPrintAttributes(D);
|
|
}
|
|
|
|
void DeclPrinter::VisitLabelDecl(LabelDecl *D) {
|
|
Out << *D << ":";
|
|
}
|
|
|
|
void DeclPrinter::VisitVarDecl(VarDecl *D) {
|
|
prettyPrintPragmas(D);
|
|
|
|
QualType T = D->getTypeSourceInfo()
|
|
? D->getTypeSourceInfo()->getType()
|
|
: D->getASTContext().getUnqualifiedObjCPointerType(D->getType());
|
|
|
|
if (!Policy.SuppressSpecifiers) {
|
|
StorageClass SC = D->getStorageClass();
|
|
if (SC != SC_None)
|
|
Out << VarDecl::getStorageClassSpecifierString(SC) << " ";
|
|
|
|
switch (D->getTSCSpec()) {
|
|
case TSCS_unspecified:
|
|
break;
|
|
case TSCS___thread:
|
|
Out << "__thread ";
|
|
break;
|
|
case TSCS__Thread_local:
|
|
Out << "_Thread_local ";
|
|
break;
|
|
case TSCS_thread_local:
|
|
Out << "thread_local ";
|
|
break;
|
|
}
|
|
|
|
if (D->isModulePrivate())
|
|
Out << "__module_private__ ";
|
|
|
|
if (D->isConstexpr()) {
|
|
Out << "constexpr ";
|
|
T.removeLocalConst();
|
|
}
|
|
}
|
|
|
|
printDeclType(T, D->getName());
|
|
Expr *Init = D->getInit();
|
|
if (!Policy.SuppressInitializers && Init) {
|
|
bool ImplicitInit = false;
|
|
if (CXXConstructExpr *Construct =
|
|
dyn_cast<CXXConstructExpr>(Init->IgnoreImplicit())) {
|
|
if (D->getInitStyle() == VarDecl::CallInit &&
|
|
!Construct->isListInitialization()) {
|
|
ImplicitInit = Construct->getNumArgs() == 0 ||
|
|
Construct->getArg(0)->isDefaultArgument();
|
|
}
|
|
}
|
|
if (!ImplicitInit) {
|
|
if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
|
|
Out << "(";
|
|
else if (D->getInitStyle() == VarDecl::CInit) {
|
|
Out << " = ";
|
|
}
|
|
PrintingPolicy SubPolicy(Policy);
|
|
SubPolicy.SuppressSpecifiers = false;
|
|
SubPolicy.IncludeTagDefinition = false;
|
|
Init->printPretty(Out, nullptr, SubPolicy, Indentation);
|
|
if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
|
|
Out << ")";
|
|
}
|
|
}
|
|
prettyPrintAttributes(D);
|
|
}
|
|
|
|
void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
|
|
VisitVarDecl(D);
|
|
}
|
|
|
|
void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
|
|
Out << "__asm (";
|
|
D->getAsmString()->printPretty(Out, nullptr, Policy, Indentation);
|
|
Out << ")";
|
|
}
|
|
|
|
void DeclPrinter::VisitImportDecl(ImportDecl *D) {
|
|
Out << "@import " << D->getImportedModule()->getFullModuleName()
|
|
<< ";\n";
|
|
}
|
|
|
|
void DeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) {
|
|
Out << "static_assert(";
|
|
D->getAssertExpr()->printPretty(Out, nullptr, Policy, Indentation);
|
|
if (StringLiteral *SL = D->getMessage()) {
|
|
Out << ", ";
|
|
SL->printPretty(Out, nullptr, Policy, Indentation);
|
|
}
|
|
Out << ")";
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// C++ declarations
|
|
//----------------------------------------------------------------------------
|
|
void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
|
|
if (D->isInline())
|
|
Out << "inline ";
|
|
|
|
Out << "namespace ";
|
|
if (D->getDeclName())
|
|
Out << D->getDeclName() << ' ';
|
|
Out << "{\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::VisitEmptyDecl(EmptyDecl *D) {
|
|
prettyPrintAttributes(D);
|
|
}
|
|
|
|
void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
|
|
// FIXME: add printing of pragma attributes if required.
|
|
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
|
|
Out << "__module_private__ ";
|
|
Out << D->getKindName();
|
|
|
|
prettyPrintAttributes(D);
|
|
|
|
if (D->getIdentifier()) {
|
|
Out << ' ' << *D;
|
|
|
|
if (auto S = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
|
|
ArrayRef<TemplateArgument> Args = S->getTemplateArgs().asArray();
|
|
if (!Policy.PrintCanonicalTypes)
|
|
if (const auto* TSI = S->getTypeAsWritten())
|
|
if (const auto *TST =
|
|
dyn_cast<TemplateSpecializationType>(TSI->getType()))
|
|
Args = TST->template_arguments();
|
|
printTemplateArguments(Args);
|
|
}
|
|
}
|
|
|
|
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 << " ";
|
|
}
|
|
Out << Base->getType().getAsString(Policy);
|
|
|
|
if (Base->isPackExpansion())
|
|
Out << "...";
|
|
}
|
|
}
|
|
|
|
// Print the class definition
|
|
// FIXME: Doesn't print access specifiers, e.g., "public:"
|
|
if (Policy.TerseOutput) {
|
|
Out << " {}";
|
|
} else {
|
|
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,
|
|
bool OmitTemplateKW) {
|
|
assert(Params);
|
|
|
|
if (!OmitTemplateKW)
|
|
Out << "template ";
|
|
Out << '<';
|
|
|
|
bool NeedComma = false;
|
|
for (const Decl *Param : *Params) {
|
|
if (Param->isImplicit())
|
|
continue;
|
|
|
|
if (NeedComma)
|
|
Out << ", ";
|
|
else
|
|
NeedComma = true;
|
|
|
|
if (const auto *TTP = dyn_cast<TemplateTypeParmDecl>(Param)) {
|
|
VisitTemplateTypeParmDecl(TTP);
|
|
} else if (auto NTTP = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
|
|
VisitNonTypeTemplateParmDecl(NTTP);
|
|
} else if (auto TTPD = dyn_cast<TemplateTemplateParmDecl>(Param)) {
|
|
VisitTemplateDecl(TTPD);
|
|
// FIXME: print the default argument, if present.
|
|
}
|
|
}
|
|
|
|
Out << '>';
|
|
if (!OmitTemplateKW)
|
|
Out << ' ';
|
|
}
|
|
|
|
void DeclPrinter::printTemplateArguments(ArrayRef<TemplateArgument> Args) {
|
|
Out << "<";
|
|
for (size_t I = 0, E = Args.size(); I < E; ++I) {
|
|
if (I)
|
|
Out << ", ";
|
|
Args[I].print(Policy, Out);
|
|
}
|
|
Out << ">";
|
|
}
|
|
|
|
void DeclPrinter::printTemplateArguments(ArrayRef<TemplateArgumentLoc> Args) {
|
|
Out << "<";
|
|
for (size_t I = 0, E = Args.size(); I < E; ++I) {
|
|
if (I)
|
|
Out << ", ";
|
|
Args[I].getArgument().print(Policy, Out);
|
|
}
|
|
Out << ">";
|
|
}
|
|
|
|
void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
|
|
printTemplateParameters(D->getTemplateParameters());
|
|
|
|
if (const TemplateTemplateParmDecl *TTP =
|
|
dyn_cast<TemplateTemplateParmDecl>(D)) {
|
|
Out << "class";
|
|
|
|
if (TTP->isParameterPack())
|
|
Out << " ...";
|
|
else if (TTP->getDeclName())
|
|
Out << ' ';
|
|
|
|
if (TTP->getDeclName())
|
|
Out << TTP->getDeclName();
|
|
} else if (auto *TD = D->getTemplatedDecl())
|
|
Visit(TD);
|
|
else if (const auto *Concept = dyn_cast<ConceptDecl>(D)) {
|
|
Out << "concept " << Concept->getName() << " = " ;
|
|
Concept->getConstraintExpr()->printPretty(Out, nullptr, Policy,
|
|
Indentation);
|
|
Out << ";";
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
|
|
prettyPrintPragmas(D->getTemplatedDecl());
|
|
// Print any leading template parameter lists.
|
|
if (const FunctionDecl *FD = D->getTemplatedDecl()) {
|
|
for (unsigned I = 0, NumTemplateParams = FD->getNumTemplateParameterLists();
|
|
I < NumTemplateParams; ++I)
|
|
printTemplateParameters(FD->getTemplateParameterList(I));
|
|
}
|
|
VisitRedeclarableTemplateDecl(D);
|
|
// Declare target attribute is special one, natural spelling for the pragma
|
|
// assumes "ending" construct so print it here.
|
|
if (D->getTemplatedDecl()->hasAttr<OMPDeclareTargetDeclAttr>())
|
|
Out << "#pragma omp end declare target\n";
|
|
|
|
// Never print "instantiations" for deduction guides (they don't really
|
|
// have them).
|
|
if (PrintInstantiation &&
|
|
!isa<CXXDeductionGuideDecl>(D->getTemplatedDecl())) {
|
|
FunctionDecl *PrevDecl = D->getTemplatedDecl();
|
|
const FunctionDecl *Def;
|
|
if (PrevDecl->isDefined(Def) && Def != PrevDecl)
|
|
return;
|
|
for (auto *I : D->specializations())
|
|
if (I->getTemplateSpecializationKind() == TSK_ImplicitInstantiation) {
|
|
if (!PrevDecl->isThisDeclarationADefinition())
|
|
Out << ";\n";
|
|
Indent();
|
|
prettyPrintPragmas(I);
|
|
Visit(I);
|
|
}
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
|
|
VisitRedeclarableTemplateDecl(D);
|
|
|
|
if (PrintInstantiation) {
|
|
for (auto *I : D->specializations())
|
|
if (I->getSpecializationKind() == TSK_ImplicitInstantiation) {
|
|
if (D->isThisDeclarationADefinition())
|
|
Out << ";";
|
|
Out << "\n";
|
|
Visit(I);
|
|
}
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitClassTemplateSpecializationDecl(
|
|
ClassTemplateSpecializationDecl *D) {
|
|
Out << "template<> ";
|
|
VisitCXXRecordDecl(D);
|
|
}
|
|
|
|
void DeclPrinter::VisitClassTemplatePartialSpecializationDecl(
|
|
ClassTemplatePartialSpecializationDecl *D) {
|
|
printTemplateParameters(D->getTemplateParameters());
|
|
VisitCXXRecordDecl(D);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Objective-C declarations
|
|
//----------------------------------------------------------------------------
|
|
|
|
void DeclPrinter::PrintObjCMethodType(ASTContext &Ctx,
|
|
Decl::ObjCDeclQualifier Quals,
|
|
QualType T) {
|
|
Out << '(';
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_In)
|
|
Out << "in ";
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Inout)
|
|
Out << "inout ";
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Out)
|
|
Out << "out ";
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Bycopy)
|
|
Out << "bycopy ";
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Byref)
|
|
Out << "byref ";
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_Oneway)
|
|
Out << "oneway ";
|
|
if (Quals & Decl::ObjCDeclQualifier::OBJC_TQ_CSNullability) {
|
|
if (auto nullability = AttributedType::stripOuterNullability(T))
|
|
Out << getNullabilitySpelling(*nullability, true) << ' ';
|
|
}
|
|
|
|
Out << Ctx.getUnqualifiedObjCPointerType(T).getAsString(Policy);
|
|
Out << ')';
|
|
}
|
|
|
|
void DeclPrinter::PrintObjCTypeParams(ObjCTypeParamList *Params) {
|
|
Out << "<";
|
|
unsigned First = true;
|
|
for (auto *Param : *Params) {
|
|
if (First) {
|
|
First = false;
|
|
} else {
|
|
Out << ", ";
|
|
}
|
|
|
|
switch (Param->getVariance()) {
|
|
case ObjCTypeParamVariance::Invariant:
|
|
break;
|
|
|
|
case ObjCTypeParamVariance::Covariant:
|
|
Out << "__covariant ";
|
|
break;
|
|
|
|
case ObjCTypeParamVariance::Contravariant:
|
|
Out << "__contravariant ";
|
|
break;
|
|
}
|
|
|
|
Out << Param->getDeclName();
|
|
|
|
if (Param->hasExplicitBound()) {
|
|
Out << " : " << Param->getUnderlyingType().getAsString(Policy);
|
|
}
|
|
}
|
|
Out << ">";
|
|
}
|
|
|
|
void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) {
|
|
if (OMD->isInstanceMethod())
|
|
Out << "- ";
|
|
else
|
|
Out << "+ ";
|
|
if (!OMD->getReturnType().isNull()) {
|
|
PrintObjCMethodType(OMD->getASTContext(), OMD->getObjCDeclQualifier(),
|
|
OMD->getReturnType());
|
|
}
|
|
|
|
std::string name = OMD->getSelector().getAsString();
|
|
std::string::size_type pos, lastPos = 0;
|
|
for (const auto *PI : OMD->parameters()) {
|
|
// FIXME: selector is missing here!
|
|
pos = name.find_first_of(':', lastPos);
|
|
if (lastPos != 0)
|
|
Out << " ";
|
|
Out << name.substr(lastPos, pos - lastPos) << ':';
|
|
PrintObjCMethodType(OMD->getASTContext(),
|
|
PI->getObjCDeclQualifier(),
|
|
PI->getType());
|
|
Out << *PI;
|
|
lastPos = pos + 1;
|
|
}
|
|
|
|
if (OMD->param_begin() == OMD->param_end())
|
|
Out << name;
|
|
|
|
if (OMD->isVariadic())
|
|
Out << ", ...";
|
|
|
|
prettyPrintAttributes(OMD);
|
|
|
|
if (OMD->getBody() && !Policy.TerseOutput) {
|
|
Out << ' ';
|
|
OMD->getBody()->printPretty(Out, nullptr, Policy);
|
|
}
|
|
else if (Policy.PolishForDeclaration)
|
|
Out << ';';
|
|
}
|
|
|
|
void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) {
|
|
std::string I = OID->getNameAsString();
|
|
ObjCInterfaceDecl *SID = OID->getSuperClass();
|
|
|
|
bool eolnOut = false;
|
|
if (SID)
|
|
Out << "@implementation " << I << " : " << *SID;
|
|
else
|
|
Out << "@implementation " << I;
|
|
|
|
if (OID->ivar_size() > 0) {
|
|
Out << "{\n";
|
|
eolnOut = true;
|
|
Indentation += Policy.Indentation;
|
|
for (const auto *I : OID->ivars()) {
|
|
Indent() << I->getASTContext().getUnqualifiedObjCPointerType(I->getType()).
|
|
getAsString(Policy) << ' ' << *I << ";\n";
|
|
}
|
|
Indentation -= Policy.Indentation;
|
|
Out << "}\n";
|
|
}
|
|
else if (SID || (OID->decls_begin() != OID->decls_end())) {
|
|
Out << "\n";
|
|
eolnOut = true;
|
|
}
|
|
VisitDeclContext(OID, false);
|
|
if (!eolnOut)
|
|
Out << "\n";
|
|
Out << "@end";
|
|
}
|
|
|
|
void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
|
|
std::string I = OID->getNameAsString();
|
|
ObjCInterfaceDecl *SID = OID->getSuperClass();
|
|
|
|
if (!OID->isThisDeclarationADefinition()) {
|
|
Out << "@class " << I;
|
|
|
|
if (auto TypeParams = OID->getTypeParamListAsWritten()) {
|
|
PrintObjCTypeParams(TypeParams);
|
|
}
|
|
|
|
Out << ";";
|
|
return;
|
|
}
|
|
bool eolnOut = false;
|
|
Out << "@interface " << I;
|
|
|
|
if (auto TypeParams = OID->getTypeParamListAsWritten()) {
|
|
PrintObjCTypeParams(TypeParams);
|
|
}
|
|
|
|
if (SID)
|
|
Out << " : " << QualType(OID->getSuperClassType(), 0).getAsString(Policy);
|
|
|
|
// 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;
|
|
Out << "> ";
|
|
}
|
|
|
|
if (OID->ivar_size() > 0) {
|
|
Out << "{\n";
|
|
eolnOut = true;
|
|
Indentation += Policy.Indentation;
|
|
for (const auto *I : OID->ivars()) {
|
|
Indent() << I->getASTContext()
|
|
.getUnqualifiedObjCPointerType(I->getType())
|
|
.getAsString(Policy) << ' ' << *I << ";\n";
|
|
}
|
|
Indentation -= Policy.Indentation;
|
|
Out << "}\n";
|
|
}
|
|
else if (SID || (OID->decls_begin() != OID->decls_end())) {
|
|
Out << "\n";
|
|
eolnOut = true;
|
|
}
|
|
|
|
VisitDeclContext(OID, false);
|
|
if (!eolnOut)
|
|
Out << "\n";
|
|
Out << "@end";
|
|
// FIXME: implement the rest...
|
|
}
|
|
|
|
void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
|
|
if (!PID->isThisDeclarationADefinition()) {
|
|
Out << "@protocol " << *PID << ";\n";
|
|
return;
|
|
}
|
|
// Protocols?
|
|
const ObjCList<ObjCProtocolDecl> &Protocols = PID->getReferencedProtocols();
|
|
if (!Protocols.empty()) {
|
|
Out << "@protocol " << *PID;
|
|
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
|
|
E = Protocols.end(); I != E; ++I)
|
|
Out << (I == Protocols.begin() ? '<' : ',') << **I;
|
|
Out << ">\n";
|
|
} else
|
|
Out << "@protocol " << *PID << '\n';
|
|
VisitDeclContext(PID, false);
|
|
Out << "@end";
|
|
}
|
|
|
|
void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
|
|
Out << "@implementation ";
|
|
if (const auto *CID = PID->getClassInterface())
|
|
Out << *CID;
|
|
else
|
|
Out << "<<error-type>>";
|
|
Out << '(' << *PID << ")\n";
|
|
|
|
VisitDeclContext(PID, false);
|
|
Out << "@end";
|
|
// FIXME: implement the rest...
|
|
}
|
|
|
|
void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
|
|
Out << "@interface ";
|
|
if (const auto *CID = PID->getClassInterface())
|
|
Out << *CID;
|
|
else
|
|
Out << "<<error-type>>";
|
|
if (auto TypeParams = PID->getTypeParamList()) {
|
|
PrintObjCTypeParams(TypeParams);
|
|
}
|
|
Out << "(" << *PID << ")\n";
|
|
if (PID->ivar_size() > 0) {
|
|
Out << "{\n";
|
|
Indentation += Policy.Indentation;
|
|
for (const auto *I : PID->ivars())
|
|
Indent() << I->getASTContext().getUnqualifiedObjCPointerType(I->getType()).
|
|
getAsString(Policy) << ' ' << *I << ";\n";
|
|
Indentation -= Policy.Indentation;
|
|
Out << "}\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.
|
|
///
|
|
/// Print attributes in the following order:
|
|
/// - class
|
|
/// - nonatomic | atomic
|
|
/// - assign | retain | strong | copy | weak | unsafe_unretained
|
|
/// - readwrite | readonly
|
|
/// - getter & setter
|
|
/// - nullability
|
|
void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
|
|
if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required)
|
|
Out << "@required\n";
|
|
else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional)
|
|
Out << "@optional\n";
|
|
|
|
QualType T = PDecl->getType();
|
|
|
|
Out << "@property";
|
|
if (PDecl->getPropertyAttributes() != ObjCPropertyAttribute::kind_noattr) {
|
|
bool first = true;
|
|
Out << "(";
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_class) {
|
|
Out << (first ? "" : ", ") << "class";
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_direct) {
|
|
Out << (first ? "" : ", ") << "direct";
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() &
|
|
ObjCPropertyAttribute::kind_nonatomic) {
|
|
Out << (first ? "" : ", ") << "nonatomic";
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_atomic) {
|
|
Out << (first ? "" : ", ") << "atomic";
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_assign) {
|
|
Out << (first ? "" : ", ") << "assign";
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_retain) {
|
|
Out << (first ? "" : ", ") << "retain";
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_strong) {
|
|
Out << (first ? "" : ", ") << "strong";
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_copy) {
|
|
Out << (first ? "" : ", ") << "copy";
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_weak) {
|
|
Out << (first ? "" : ", ") << "weak";
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() &
|
|
ObjCPropertyAttribute::kind_unsafe_unretained) {
|
|
Out << (first ? "" : ", ") << "unsafe_unretained";
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() &
|
|
ObjCPropertyAttribute::kind_readwrite) {
|
|
Out << (first ? "" : ", ") << "readwrite";
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_readonly) {
|
|
Out << (first ? "" : ", ") << "readonly";
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_getter) {
|
|
Out << (first ? "" : ", ") << "getter = ";
|
|
PDecl->getGetterName().print(Out);
|
|
first = false;
|
|
}
|
|
if (PDecl->getPropertyAttributes() & ObjCPropertyAttribute::kind_setter) {
|
|
Out << (first ? "" : ", ") << "setter = ";
|
|
PDecl->getSetterName().print(Out);
|
|
first = false;
|
|
}
|
|
|
|
if (PDecl->getPropertyAttributes() &
|
|
ObjCPropertyAttribute::kind_nullability) {
|
|
if (auto nullability = AttributedType::stripOuterNullability(T)) {
|
|
if (*nullability == NullabilityKind::Unspecified &&
|
|
(PDecl->getPropertyAttributes() &
|
|
ObjCPropertyAttribute::kind_null_resettable)) {
|
|
Out << (first ? "" : ", ") << "null_resettable";
|
|
} else {
|
|
Out << (first ? "" : ", ")
|
|
<< getNullabilitySpelling(*nullability, true);
|
|
}
|
|
first = false;
|
|
}
|
|
}
|
|
|
|
(void) first; // Silence dead store warning due to idiomatic code.
|
|
Out << ")";
|
|
}
|
|
std::string TypeStr = PDecl->getASTContext().getUnqualifiedObjCPointerType(T).
|
|
getAsString(Policy);
|
|
Out << ' ' << TypeStr;
|
|
if (!StringRef(TypeStr).endswith("*"))
|
|
Out << ' ';
|
|
Out << *PDecl;
|
|
if (Policy.PolishForDeclaration)
|
|
Out << ';';
|
|
}
|
|
|
|
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) {
|
|
if (!D->isAccessDeclaration())
|
|
Out << "using ";
|
|
if (D->hasTypename())
|
|
Out << "typename ";
|
|
D->getQualifier()->print(Out, Policy);
|
|
|
|
// Use the correct record name when the using declaration is used for
|
|
// inheriting constructors.
|
|
for (const auto *Shadow : D->shadows()) {
|
|
if (const auto *ConstructorShadow =
|
|
dyn_cast<ConstructorUsingShadowDecl>(Shadow)) {
|
|
assert(Shadow->getDeclContext() == ConstructorShadow->getDeclContext());
|
|
Out << *ConstructorShadow->getNominatedBaseClass();
|
|
return;
|
|
}
|
|
}
|
|
Out << *D;
|
|
}
|
|
|
|
void
|
|
DeclPrinter::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) {
|
|
Out << "using typename ";
|
|
D->getQualifier()->print(Out, Policy);
|
|
Out << D->getDeclName();
|
|
}
|
|
|
|
void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
|
|
if (!D->isAccessDeclaration())
|
|
Out << "using ";
|
|
D->getQualifier()->print(Out, Policy);
|
|
Out << D->getDeclName();
|
|
}
|
|
|
|
void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) {
|
|
// ignore
|
|
}
|
|
|
|
void DeclPrinter::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) {
|
|
Out << "#pragma omp threadprivate";
|
|
if (!D->varlist_empty()) {
|
|
for (OMPThreadPrivateDecl::varlist_iterator I = D->varlist_begin(),
|
|
E = D->varlist_end();
|
|
I != E; ++I) {
|
|
Out << (I == D->varlist_begin() ? '(' : ',');
|
|
NamedDecl *ND = cast<DeclRefExpr>(*I)->getDecl();
|
|
ND->printQualifiedName(Out);
|
|
}
|
|
Out << ")";
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitOMPAllocateDecl(OMPAllocateDecl *D) {
|
|
Out << "#pragma omp allocate";
|
|
if (!D->varlist_empty()) {
|
|
for (OMPAllocateDecl::varlist_iterator I = D->varlist_begin(),
|
|
E = D->varlist_end();
|
|
I != E; ++I) {
|
|
Out << (I == D->varlist_begin() ? '(' : ',');
|
|
NamedDecl *ND = cast<DeclRefExpr>(*I)->getDecl();
|
|
ND->printQualifiedName(Out);
|
|
}
|
|
Out << ")";
|
|
}
|
|
if (!D->clauselist_empty()) {
|
|
Out << " ";
|
|
OMPClausePrinter Printer(Out, Policy);
|
|
for (OMPClause *C : D->clauselists())
|
|
Printer.Visit(C);
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitOMPRequiresDecl(OMPRequiresDecl *D) {
|
|
Out << "#pragma omp requires ";
|
|
if (!D->clauselist_empty()) {
|
|
OMPClausePrinter Printer(Out, Policy);
|
|
for (auto I = D->clauselist_begin(), E = D->clauselist_end(); I != E; ++I)
|
|
Printer.Visit(*I);
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D) {
|
|
if (!D->isInvalidDecl()) {
|
|
Out << "#pragma omp declare reduction (";
|
|
if (D->getDeclName().getNameKind() == DeclarationName::CXXOperatorName) {
|
|
const char *OpName =
|
|
getOperatorSpelling(D->getDeclName().getCXXOverloadedOperator());
|
|
assert(OpName && "not an overloaded operator");
|
|
Out << OpName;
|
|
} else {
|
|
assert(D->getDeclName().isIdentifier());
|
|
D->printName(Out);
|
|
}
|
|
Out << " : ";
|
|
D->getType().print(Out, Policy);
|
|
Out << " : ";
|
|
D->getCombiner()->printPretty(Out, nullptr, Policy, 0);
|
|
Out << ")";
|
|
if (auto *Init = D->getInitializer()) {
|
|
Out << " initializer(";
|
|
switch (D->getInitializerKind()) {
|
|
case OMPDeclareReductionDecl::DirectInit:
|
|
Out << "omp_priv(";
|
|
break;
|
|
case OMPDeclareReductionDecl::CopyInit:
|
|
Out << "omp_priv = ";
|
|
break;
|
|
case OMPDeclareReductionDecl::CallInit:
|
|
break;
|
|
}
|
|
Init->printPretty(Out, nullptr, Policy, 0);
|
|
if (D->getInitializerKind() == OMPDeclareReductionDecl::DirectInit)
|
|
Out << ")";
|
|
Out << ")";
|
|
}
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D) {
|
|
if (!D->isInvalidDecl()) {
|
|
Out << "#pragma omp declare mapper (";
|
|
D->printName(Out);
|
|
Out << " : ";
|
|
D->getType().print(Out, Policy);
|
|
Out << " ";
|
|
Out << D->getVarName();
|
|
Out << ")";
|
|
if (!D->clauselist_empty()) {
|
|
OMPClausePrinter Printer(Out, Policy);
|
|
for (auto *C : D->clauselists()) {
|
|
Out << " ";
|
|
Printer.Visit(C);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D) {
|
|
D->getInit()->printPretty(Out, nullptr, Policy, Indentation);
|
|
}
|
|
|
|
void DeclPrinter::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *TTP) {
|
|
if (const TypeConstraint *TC = TTP->getTypeConstraint())
|
|
TC->print(Out, Policy);
|
|
else if (TTP->wasDeclaredWithTypename())
|
|
Out << "typename";
|
|
else
|
|
Out << "class";
|
|
|
|
if (TTP->isParameterPack())
|
|
Out << " ...";
|
|
else if (TTP->getDeclName())
|
|
Out << ' ';
|
|
|
|
if (TTP->getDeclName())
|
|
Out << TTP->getDeclName();
|
|
|
|
if (TTP->hasDefaultArgument()) {
|
|
Out << " = ";
|
|
Out << TTP->getDefaultArgument().getAsString(Policy);
|
|
}
|
|
}
|
|
|
|
void DeclPrinter::VisitNonTypeTemplateParmDecl(
|
|
const NonTypeTemplateParmDecl *NTTP) {
|
|
StringRef Name;
|
|
if (IdentifierInfo *II = NTTP->getIdentifier())
|
|
Name = II->getName();
|
|
printDeclType(NTTP->getType(), Name, NTTP->isParameterPack());
|
|
|
|
if (NTTP->hasDefaultArgument()) {
|
|
Out << " = ";
|
|
NTTP->getDefaultArgument()->printPretty(Out, nullptr, Policy, Indentation);
|
|
}
|
|
}
|