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-rw-r--r--clang/lib/AST/DeclPrinter.cpp1710
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diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp
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+++ b/clang/lib/AST/DeclPrinter.cpp
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+//===--- DeclPrinter.cpp - Printing implementation for Decl ASTs ----------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Decl::print method, which pretty prints the
+// AST back out to C/Objective-C/C++/Objective-C++ code.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Attr.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/DeclVisitor.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;
+ PrintingPolicy Policy;
+ const ASTContext &Context;
+ unsigned Indentation;
+ bool PrintInstantiation;
+
+ raw_ostream& Indent() { return Indent(Indentation); }
+ raw_ostream& Indent(unsigned Indentation);
+ void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
+
+ void Print(AccessSpecifier AS);
+ void PrintConstructorInitializers(CXXConstructorDecl *CDecl,
+ std::string &Proto);
+
+ /// Print an Objective-C method type in parentheses.
+ ///
+ /// \param Quals The Objective-C declaration qualifiers.
+ /// \param T The type to print.
+ void PrintObjCMethodType(ASTContext &Ctx, Decl::ObjCDeclQualifier Quals,
+ QualType T);
+
+ void PrintObjCTypeParams(ObjCTypeParamList *Params);
+
+ public:
+ DeclPrinter(raw_ostream &Out, const PrintingPolicy &Policy,
+ const ASTContext &Context, unsigned Indentation = 0,
+ bool PrintInstantiation = false)
+ : Out(Out), Policy(Policy), Context(Context), 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 VisitEmptyDecl(EmptyDecl *D);
+ void VisitFunctionDecl(FunctionDecl *D);
+ void VisitFriendDecl(FriendDecl *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 VisitClassTemplateSpecializationDecl(
+ ClassTemplateSpecializationDecl *D);
+ void VisitClassTemplatePartialSpecializationDecl(
+ ClassTemplatePartialSpecializationDecl *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 VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D);
+ void VisitOMPAllocateDecl(OMPAllocateDecl *D);
+ void VisitOMPRequiresDecl(OMPRequiresDecl *D);
+ void VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D);
+ void VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D);
+ void VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D);
+
+ void printTemplateParameters(const TemplateParameterList *Params,
+ bool OmitTemplateKW = false);
+ void printTemplateArguments(const TemplateArgumentList &Args,
+ const TemplateParameterList *Params = nullptr);
+ void prettyPrintAttributes(Decl *D);
+ void prettyPrintPragmas(Decl *D);
+ void printDeclType(QualType T, StringRef DeclName, bool Pack = false);
+ };
+}
+
+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, Policy, getASTContext(), Indentation,
+ PrintInstantiation);
+ Printer.Visit(const_cast<Decl*>(this));
+}
+
+void TemplateParameterList::print(raw_ostream &Out, const ASTContext &Context,
+ bool OmitTemplateKW) const {
+ print(Out, Context, Context.getPrintingPolicy(), OmitTemplateKW);
+}
+
+void TemplateParameterList::print(raw_ostream &Out, const ASTContext &Context,
+ const PrintingPolicy &Policy,
+ bool OmitTemplateKW) const {
+ DeclPrinter Printer(Out, Policy, Context);
+ Printer.printTemplateParameters(this, OmitTemplateKW);
+}
+
+static QualType GetBaseType(QualType T) {
+ // FIXME: This should be on the Type class!
+ QualType BaseType = T;
+ while (!BaseType->isSpecifierType()) {
+ if (const PointerType *PTy = BaseType->getAs<PointerType>())
+ BaseType = PTy->getPointeeType();
+ else if (const BlockPointerType *BPy = BaseType->getAs<BlockPointerType>())
+ BaseType = BPy->getPointeeType();
+ else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
+ BaseType = ATy->getElementType();
+ else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
+ BaseType = FTy->getReturnType();
+ else if (const VectorType *VTy = BaseType->getAs<VectorType>())
+ BaseType = VTy->getElementType();
+ else if (const ReferenceType *RTy = BaseType->getAs<ReferenceType>())
+ BaseType = RTy->getPointeeType();
+ else if (const AutoType *ATy = BaseType->getAs<AutoType>())
+ BaseType = ATy->getDeducedType();
+ else if (const ParenType *PTy = BaseType->getAs<ParenType>())
+ BaseType = PTy->desugar();
+ else
+ // This must be a syntax error.
+ break;
+ }
+ 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);
+
+ bool isFirst = true;
+ for ( ; Begin != End; ++Begin) {
+ if (isFirst) {
+ if(TD)
+ SubPolicy.IncludeTagDefinition = true;
+ SubPolicy.SuppressSpecifiers = false;
+ isFirst = false;
+ } else {
+ if (!isFirst) Out << ", ";
+ SubPolicy.IncludeTagDefinition = false;
+ SubPolicy.SuppressSpecifiers = true;
+ }
+
+ (*Begin)->print(Out, SubPolicy, Indentation);
+ }
+}
+
+LLVM_DUMP_METHOD 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.getPrintingPolicy(), Ctx, 0);
+ Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false);
+}
+
+raw_ostream& DeclPrinter::Indent(unsigned Indentation) {
+ for (unsigned i = 0; i != Indentation; ++i)
+ Out << " ";
+ return Out;
+}
+
+void DeclPrinter::prettyPrintAttributes(Decl *D) {
+ if (Policy.PolishForDeclaration)
+ return;
+
+ if (D->hasAttrs()) {
+ AttrVec &Attrs = D->getAttrs();
+ for (auto *A : Attrs) {
+ if (A->isInherited() || A->isImplicit())
+ continue;
+ switch (A->getKind()) {
+#define ATTR(X)
+#define PRAGMA_SPELLING_ATTR(X) case attr::X:
+#include "clang/Basic/AttrList.inc"
+ break;
+ default:
+ A->printPretty(Out, Policy);
+ break;
+ }
+ }
+ }
+}
+
+void DeclPrinter::prettyPrintPragmas(Decl *D) {
+ if (Policy.PolishForDeclaration)
+ return;
+
+ if (D->hasAttrs()) {
+ AttrVec &Attrs = D->getAttrs();
+ for (auto *A : Attrs) {
+ switch (A->getKind()) {
+#define ATTR(X)
+#define PRAGMA_SPELLING_ATTR(X) case attr::X:
+#include "clang/Basic/AttrList.inc"
+ A->printPretty(Out, Policy);
+ Indent();
+ break;
+ default:
+ break;
+ }
+ }
+ }
+}
+
+void DeclPrinter::printDeclType(QualType T, StringRef DeclName, bool Pack) {
+ // Normally, a PackExpansionType is written as T[3]... (for instance, as a
+ // template argument), but if it is the type of a declaration, the ellipsis
+ // is placed before the name being declared.
+ if (auto *PET = T->getAs<PackExpansionType>()) {
+ Pack = true;
+ T = PET->getPattern();
+ }
+ T.print(Out, Policy, (Pack ? "..." : "") + DeclName, Indentation);
+}
+
+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;
+ }
+}
+
+void DeclPrinter::PrintConstructorInitializers(CXXConstructorDecl *CDecl,
+ std::string &Proto) {
+ bool HasInitializerList = false;
+ for (const auto *BMInitializer : CDecl->inits()) {
+ 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 = nullptr;
+ Expr **Args = nullptr;
+ 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, nullptr, Policy, Indentation);
+ else {
+ for (unsigned I = 0; I != NumArgs; ++I) {
+ assert(Args[I] != nullptr && "Expected non-null Expr");
+ if (isa<CXXDefaultArgExpr>(Args[I]))
+ break;
+
+ if (I)
+ Out << ", ";
+ Args[I]->printPretty(Out, nullptr, Policy, Indentation);
+ }
+ }
+ }
+ Out << ")";
+ if (BMInitializer->isPackExpansion())
+ Out << "...";
+ }
+}
+
+//----------------------------------------------------------------------------
+// Common C declarations
+//----------------------------------------------------------------------------
+
+void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
+ if (Policy.TerseOutput)
+ return;
+
+ 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;
+
+ // Skip over implicit declarations in pretty-printing mode.
+ if (D->isImplicit())
+ continue;
+
+ // Don't print implicit specializations, as they are printed when visiting
+ // corresponding templates.
+ if (auto FD = dyn_cast<FunctionDecl>(*D))
+ if (FD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation &&
+ !isa<ClassTemplateSpecializationDecl>(DC))
+ continue;
+
+ // The next bits of code handle 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. When that struct is named instead, we
+ // also need to merge to avoid splitting off a stand-alone struct
+ // declaration that produces the warning ext_no_declarators in some
+ // contexts.
+ //
+ // 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
+ // non-free-standing tag declaration.
+ QualType CurDeclType = getDeclType(*D);
+ if (!Decls.empty() && !CurDeclType.isNull()) {
+ QualType BaseType = GetBaseType(CurDeclType);
+ if (!BaseType.isNull() && isa<ElaboratedType>(BaseType) &&
+ cast<ElaboratedType>(BaseType)->getOwnedTagDecl() == 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 not a free standing declaration, save it
+ // so we can merge it with the subsequent declaration(s) using it.
+ if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->isFreeStanding()) {
+ 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 = nullptr;
+ if (isa<OMPThreadPrivateDecl>(*D) || isa<OMPDeclareReductionDecl>(*D) ||
+ isa<OMPDeclareMapperDecl>(*D) || isa<OMPRequiresDecl>(*D) ||
+ isa<OMPAllocateDecl>(*D))
+ Terminator = nullptr;
+ else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->hasBody())
+ Terminator = nullptr;
+ else if (auto FD = dyn_cast<FunctionDecl>(*D)) {
+ if (FD->isThisDeclarationADefinition())
+ Terminator = nullptr;
+ else
+ Terminator = ";";
+ } else if (auto TD = dyn_cast<FunctionTemplateDecl>(*D)) {
+ if (TD->getTemplatedDecl()->isThisDeclarationADefinition())
+ Terminator = nullptr;
+ else
+ Terminator = ";";
+ } else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
+ isa<ObjCImplementationDecl>(*D) ||
+ isa<ObjCInterfaceDecl>(*D) ||
+ isa<ObjCProtocolDecl>(*D) ||
+ isa<ObjCCategoryImplDecl>(*D) ||
+ isa<ObjCCategoryDecl>(*D))
+ Terminator = nullptr;
+ else if (isa<EnumConstantDecl>(*D)) {
+ DeclContext::decl_iterator Next = D;
+ ++Next;
+ if (Next != DEnd)
+ Terminator = ",";
+ } else
+ Terminator = ";";
+
+ if (Terminator)
+ Out << Terminator;
+ if (!Policy.TerseOutput &&
+ ((isa<FunctionDecl>(*D) &&
+ cast<FunctionDecl>(*D)->doesThisDeclarationHaveABody()) ||
+ (isa<FunctionTemplateDecl>(*D) &&
+ cast<FunctionTemplateDecl>(*D)->getTemplatedDecl()->doesThisDeclarationHaveABody())))
+ ; // StmtPrinter already added '\n' after CompoundStmt.
+ else
+ Out << "\n";
+
+ // Declare target attribute is special one, natural spelling for the pragma
+ // assumes "ending" construct so print it here.
+ if (D->hasAttr<OMPDeclareTargetDeclAttr>())
+ Out << "#pragma omp end declare target\n";
+ }
+
+ 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);
+
+ Out << ' ' << *D;
+
+ if (D->isFixed() && D->getASTContext().getLangOpts().CPlusPlus11)
+ 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 {
+ if (!Policy.SuppressScope) {
+ if (const NestedNameSpecifier *NS = D->getQualifier()) {
+ llvm::raw_string_ostream OS(Proto);
+ NS->print(OS, Policy);
+ }
+ }
+ Proto += D->getNameInfo().getAsString();
+ }
+
+ if (GuideDecl)
+ Proto = GuideDecl->getDeducedTemplate()->getDeclName().getAsString();
+ if (const TemplateArgumentList *TArgs = D->getTemplateSpecializationArgs()) {
+ llvm::raw_string_ostream POut(Proto);
+ DeclPrinter TArgPrinter(POut, SubPolicy, Context, Indentation);
+ TArgPrinter.printTemplateArguments(*TArgs);
+ }
+
+ 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;
+ } 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 " << *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::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<ClassTemplatePartialSpecializationDecl>(D))
+ printTemplateArguments(S->getTemplateArgs(), S->getTemplateParameters());
+ else if (auto S = dyn_cast<ClassTemplateSpecializationDecl>(D))
+ printTemplateArguments(S->getTemplateArgs());
+ }
+
+ 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;
+ switch (D->getLanguage()) {
+ case LinkageSpecDecl::lang_c:
+ l = "C";
+ break;
+ case LinkageSpecDecl::lang_cxx_14:
+ l = "C++14";
+ break;
+ case LinkageSpecDecl::lang_cxx_11:
+ l = "C++11";
+ break;
+ case LinkageSpecDecl::lang_cxx:
+ l = "C++";
+ break;
+ }
+
+ 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 (auto TTP = dyn_cast<TemplateTypeParmDecl>(Param)) {
+
+ if (TTP->wasDeclaredWithTypename())
+ Out << "typename";
+ else
+ Out << "class";
+
+ if (TTP->isParameterPack())
+ Out << " ...";
+ else if (!TTP->getName().empty())
+ Out << ' ';
+
+ Out << *TTP;
+
+ if (TTP->hasDefaultArgument()) {
+ Out << " = ";
+ Out << TTP->getDefaultArgument().getAsString(Policy);
+ };
+ } else if (auto NTTP = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
+ 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);
+ }
+ } else if (auto TTPD = dyn_cast<TemplateTemplateParmDecl>(Param)) {
+ VisitTemplateDecl(TTPD);
+ // FIXME: print the default argument, if present.
+ }
+ }
+
+ Out << '>';
+ if (!OmitTemplateKW)
+ Out << ' ';
+}
+
+void DeclPrinter::printTemplateArguments(const TemplateArgumentList &Args,
+ const TemplateParameterList *Params) {
+ Out << "<";
+ for (size_t I = 0, E = Args.size(); I < E; ++I) {
+ const TemplateArgument &A = Args[I];
+ if (I)
+ Out << ", ";
+ if (Params) {
+ if (A.getKind() == TemplateArgument::Type)
+ if (auto T = A.getAsType()->getAs<TemplateTypeParmType>()) {
+ auto P = cast<TemplateTypeParmDecl>(Params->getParam(T->getIndex()));
+ Out << *P;
+ continue;
+ }
+ if (A.getKind() == TemplateArgument::Template) {
+ if (auto T = A.getAsTemplate().getAsTemplateDecl())
+ if (auto TD = dyn_cast<TemplateTemplateParmDecl>(T)) {
+ auto P = cast<TemplateTemplateParmDecl>(
+ Params->getParam(TD->getIndex()));
+ Out << *P;
+ continue;
+ }
+ }
+ if (A.getKind() == TemplateArgument::Expression) {
+ if (auto E = dyn_cast<DeclRefExpr>(A.getAsExpr()))
+ if (auto N = dyn_cast<NonTypeTemplateParmDecl>(E->getDecl())) {
+ auto P = cast<NonTypeTemplateParmDecl>(
+ Params->getParam(N->getIndex()));
+ Out << *P;
+ continue;
+ }
+ }
+ }
+ A.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 << "...";
+ Out << D->getName();
+ } 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().getAsString();
+
+ 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 " << *PID->getClassInterface() << '(' << *PID <<")\n";
+
+ VisitDeclContext(PID, false);
+ Out << "@end";
+ // FIXME: implement the rest...
+}
+
+void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
+ Out << "@interface " << *PID->getClassInterface();
+ 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() != ObjCPropertyDecl::OBJC_PR_noattr) {
+ bool first = true;
+ Out << "(";
+ if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_class) {
+ Out << (first ? "" : ", ") << "class";
+ 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;
+ }
+
+ if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) {
+ Out << (first ? "" : ", ") << "assign";
+ 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_weak) {
+ Out << (first ? "" : ", ") << "weak";
+ first = false;
+ }
+ if (PDecl->getPropertyAttributes()
+ & ObjCPropertyDecl::OBJC_PR_unsafe_unretained) {
+ Out << (first ? "" : ", ") << "unsafe_unretained";
+ first = false;
+ }
+
+ if (PDecl->getPropertyAttributes() &
+ ObjCPropertyDecl::OBJC_PR_readwrite) {
+ Out << (first ? "" : ", ") << "readwrite";
+ first = false;
+ }
+ if (PDecl->getPropertyAttributes() &
+ ObjCPropertyDecl::OBJC_PR_readonly) {
+ Out << (first ? "" : ", ") << "readonly";
+ first = false;
+ }
+
+ if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
+ Out << (first ? "" : ", ") << "getter = ";
+ PDecl->getGetterName().print(Out);
+ first = false;
+ }
+ if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) {
+ Out << (first ? "" : ", ") << "setter = ";
+ PDecl->getSetterName().print(Out);
+ first = false;
+ }
+
+ if (PDecl->getPropertyAttributes() &
+ ObjCPropertyDecl::OBJC_PR_nullability) {
+ if (auto nullability = AttributedType::stripOuterNullability(T)) {
+ if (*nullability == NullabilityKind::Unspecified &&
+ (PDecl->getPropertyAttributes() &
+ ObjCPropertyDecl::OBJC_PR_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);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 15:54:27 +0000