| //===--- TypePrinter.cpp - Pretty-Print Clang Types -----------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This contains code to print types from Clang's type system. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/AST/PrettyPrinter.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/AST/Decl.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/DeclTemplate.h" |
| #include "clang/AST/Expr.h" |
| #include "clang/AST/Type.h" |
| #include "clang/Basic/LangOptions.h" |
| #include "clang/Basic/SourceManager.h" |
| #include "llvm/ADT/SmallString.h" |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/Support/SaveAndRestore.h" |
| #include "llvm/Support/raw_ostream.h" |
| using namespace clang; |
| |
| namespace { |
| /// \brief RAII object that enables printing of the ARC __strong lifetime |
| /// qualifier. |
| class IncludeStrongLifetimeRAII { |
| PrintingPolicy &Policy; |
| bool Old; |
| |
| public: |
| explicit IncludeStrongLifetimeRAII(PrintingPolicy &Policy) |
| : Policy(Policy), Old(Policy.SuppressStrongLifetime) { |
| if (!Policy.SuppressLifetimeQualifiers) |
| Policy.SuppressStrongLifetime = false; |
| } |
| |
| ~IncludeStrongLifetimeRAII() { |
| Policy.SuppressStrongLifetime = Old; |
| } |
| }; |
| |
| class ParamPolicyRAII { |
| PrintingPolicy &Policy; |
| bool Old; |
| |
| public: |
| explicit ParamPolicyRAII(PrintingPolicy &Policy) |
| : Policy(Policy), Old(Policy.SuppressSpecifiers) { |
| Policy.SuppressSpecifiers = false; |
| } |
| |
| ~ParamPolicyRAII() { |
| Policy.SuppressSpecifiers = Old; |
| } |
| }; |
| |
| class ElaboratedTypePolicyRAII { |
| PrintingPolicy &Policy; |
| bool SuppressTagKeyword; |
| bool SuppressScope; |
| |
| public: |
| explicit ElaboratedTypePolicyRAII(PrintingPolicy &Policy) : Policy(Policy) { |
| SuppressTagKeyword = Policy.SuppressTagKeyword; |
| SuppressScope = Policy.SuppressScope; |
| Policy.SuppressTagKeyword = true; |
| Policy.SuppressScope = true; |
| } |
| |
| ~ElaboratedTypePolicyRAII() { |
| Policy.SuppressTagKeyword = SuppressTagKeyword; |
| Policy.SuppressScope = SuppressScope; |
| } |
| }; |
| |
| class TypePrinter { |
| PrintingPolicy Policy; |
| bool HasEmptyPlaceHolder; |
| bool InsideCCAttribute; |
| |
| public: |
| explicit TypePrinter(const PrintingPolicy &Policy) |
| : Policy(Policy), HasEmptyPlaceHolder(false), InsideCCAttribute(false) { } |
| |
| void print(const Type *ty, Qualifiers qs, raw_ostream &OS, |
| StringRef PlaceHolder); |
| void print(QualType T, raw_ostream &OS, StringRef PlaceHolder); |
| |
| static bool canPrefixQualifiers(const Type *T, bool &NeedARCStrongQualifier); |
| void spaceBeforePlaceHolder(raw_ostream &OS); |
| void printTypeSpec(const NamedDecl *D, raw_ostream &OS); |
| |
| void printBefore(const Type *ty, Qualifiers qs, raw_ostream &OS); |
| void printBefore(QualType T, raw_ostream &OS); |
| void printAfter(const Type *ty, Qualifiers qs, raw_ostream &OS); |
| void printAfter(QualType T, raw_ostream &OS); |
| void AppendScope(DeclContext *DC, raw_ostream &OS); |
| void printTag(TagDecl *T, raw_ostream &OS); |
| #define ABSTRACT_TYPE(CLASS, PARENT) |
| #define TYPE(CLASS, PARENT) \ |
| void print##CLASS##Before(const CLASS##Type *T, raw_ostream &OS); \ |
| void print##CLASS##After(const CLASS##Type *T, raw_ostream &OS); |
| #include "clang/AST/TypeNodes.def" |
| }; |
| } |
| |
| static void AppendTypeQualList(raw_ostream &OS, unsigned TypeQuals) { |
| bool appendSpace = false; |
| if (TypeQuals & Qualifiers::Const) { |
| OS << "const"; |
| appendSpace = true; |
| } |
| if (TypeQuals & Qualifiers::Volatile) { |
| if (appendSpace) OS << ' '; |
| OS << "volatile"; |
| appendSpace = true; |
| } |
| if (TypeQuals & Qualifiers::Restrict) { |
| if (appendSpace) OS << ' '; |
| OS << "restrict"; |
| } |
| } |
| |
| void TypePrinter::spaceBeforePlaceHolder(raw_ostream &OS) { |
| if (!HasEmptyPlaceHolder) |
| OS << ' '; |
| } |
| |
| void TypePrinter::print(QualType t, raw_ostream &OS, StringRef PlaceHolder) { |
| SplitQualType split = t.split(); |
| print(split.Ty, split.Quals, OS, PlaceHolder); |
| } |
| |
| void TypePrinter::print(const Type *T, Qualifiers Quals, raw_ostream &OS, |
| StringRef PlaceHolder) { |
| if (!T) { |
| OS << "NULL TYPE"; |
| return; |
| } |
| |
| SaveAndRestore<bool> PHVal(HasEmptyPlaceHolder, PlaceHolder.empty()); |
| |
| printBefore(T, Quals, OS); |
| OS << PlaceHolder; |
| printAfter(T, Quals, OS); |
| } |
| |
| bool TypePrinter::canPrefixQualifiers(const Type *T, |
| bool &NeedARCStrongQualifier) { |
| // CanPrefixQualifiers - We prefer to print type qualifiers before the type, |
| // so that we get "const int" instead of "int const", but we can't do this if |
| // the type is complex. For example if the type is "int*", we *must* print |
| // "int * const", printing "const int *" is different. Only do this when the |
| // type expands to a simple string. |
| bool CanPrefixQualifiers = false; |
| NeedARCStrongQualifier = false; |
| Type::TypeClass TC = T->getTypeClass(); |
| if (const AutoType *AT = dyn_cast<AutoType>(T)) |
| TC = AT->desugar()->getTypeClass(); |
| if (const SubstTemplateTypeParmType *Subst |
| = dyn_cast<SubstTemplateTypeParmType>(T)) |
| TC = Subst->getReplacementType()->getTypeClass(); |
| |
| switch (TC) { |
| case Type::Auto: |
| case Type::Builtin: |
| case Type::Complex: |
| case Type::UnresolvedUsing: |
| case Type::Typedef: |
| case Type::TypeOfExpr: |
| case Type::TypeOf: |
| case Type::Decltype: |
| case Type::UnaryTransform: |
| case Type::Record: |
| case Type::Enum: |
| case Type::Elaborated: |
| case Type::TemplateTypeParm: |
| case Type::SubstTemplateTypeParmPack: |
| case Type::TemplateSpecialization: |
| case Type::InjectedClassName: |
| case Type::DependentName: |
| case Type::DependentTemplateSpecialization: |
| case Type::ObjCObject: |
| case Type::ObjCInterface: |
| case Type::Atomic: |
| CanPrefixQualifiers = true; |
| break; |
| |
| case Type::ObjCObjectPointer: |
| CanPrefixQualifiers = T->isObjCIdType() || T->isObjCClassType() || |
| T->isObjCQualifiedIdType() || T->isObjCQualifiedClassType(); |
| break; |
| |
| case Type::ConstantArray: |
| case Type::IncompleteArray: |
| case Type::VariableArray: |
| case Type::DependentSizedArray: |
| NeedARCStrongQualifier = true; |
| // Fall through |
| |
| case Type::Decayed: |
| case Type::Pointer: |
| case Type::BlockPointer: |
| case Type::LValueReference: |
| case Type::RValueReference: |
| case Type::MemberPointer: |
| case Type::DependentSizedExtVector: |
| case Type::Vector: |
| case Type::ExtVector: |
| case Type::FunctionProto: |
| case Type::FunctionNoProto: |
| case Type::Paren: |
| case Type::Attributed: |
| case Type::PackExpansion: |
| case Type::SubstTemplateTypeParm: |
| CanPrefixQualifiers = false; |
| break; |
| } |
| |
| return CanPrefixQualifiers; |
| } |
| |
| void TypePrinter::printBefore(QualType T, raw_ostream &OS) { |
| SplitQualType Split = T.split(); |
| |
| // If we have cv1 T, where T is substituted for cv2 U, only print cv1 - cv2 |
| // at this level. |
| Qualifiers Quals = Split.Quals; |
| if (const SubstTemplateTypeParmType *Subst = |
| dyn_cast<SubstTemplateTypeParmType>(Split.Ty)) |
| Quals -= QualType(Subst, 0).getQualifiers(); |
| |
| printBefore(Split.Ty, Quals, OS); |
| } |
| |
| /// \brief Prints the part of the type string before an identifier, e.g. for |
| /// "int foo[10]" it prints "int ". |
| void TypePrinter::printBefore(const Type *T,Qualifiers Quals, raw_ostream &OS) { |
| if (Policy.SuppressSpecifiers && T->isSpecifierType()) |
| return; |
| |
| SaveAndRestore<bool> PrevPHIsEmpty(HasEmptyPlaceHolder); |
| |
| // Print qualifiers as appropriate. |
| |
| bool CanPrefixQualifiers = false; |
| bool NeedARCStrongQualifier = false; |
| CanPrefixQualifiers = canPrefixQualifiers(T, NeedARCStrongQualifier); |
| |
| if (CanPrefixQualifiers && !Quals.empty()) { |
| if (NeedARCStrongQualifier) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| Quals.print(OS, Policy, /*appendSpaceIfNonEmpty=*/true); |
| } else { |
| Quals.print(OS, Policy, /*appendSpaceIfNonEmpty=*/true); |
| } |
| } |
| |
| bool hasAfterQuals = false; |
| if (!CanPrefixQualifiers && !Quals.empty()) { |
| hasAfterQuals = !Quals.isEmptyWhenPrinted(Policy); |
| if (hasAfterQuals) |
| HasEmptyPlaceHolder = false; |
| } |
| |
| switch (T->getTypeClass()) { |
| #define ABSTRACT_TYPE(CLASS, PARENT) |
| #define TYPE(CLASS, PARENT) case Type::CLASS: \ |
| print##CLASS##Before(cast<CLASS##Type>(T), OS); \ |
| break; |
| #include "clang/AST/TypeNodes.def" |
| } |
| |
| if (hasAfterQuals) { |
| if (NeedARCStrongQualifier) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| Quals.print(OS, Policy, /*appendSpaceIfNonEmpty=*/!PrevPHIsEmpty.get()); |
| } else { |
| Quals.print(OS, Policy, /*appendSpaceIfNonEmpty=*/!PrevPHIsEmpty.get()); |
| } |
| } |
| } |
| |
| void TypePrinter::printAfter(QualType t, raw_ostream &OS) { |
| SplitQualType split = t.split(); |
| printAfter(split.Ty, split.Quals, OS); |
| } |
| |
| /// \brief Prints the part of the type string after an identifier, e.g. for |
| /// "int foo[10]" it prints "[10]". |
| void TypePrinter::printAfter(const Type *T, Qualifiers Quals, raw_ostream &OS) { |
| switch (T->getTypeClass()) { |
| #define ABSTRACT_TYPE(CLASS, PARENT) |
| #define TYPE(CLASS, PARENT) case Type::CLASS: \ |
| print##CLASS##After(cast<CLASS##Type>(T), OS); \ |
| break; |
| #include "clang/AST/TypeNodes.def" |
| } |
| } |
| |
| void TypePrinter::printBuiltinBefore(const BuiltinType *T, raw_ostream &OS) { |
| OS << T->getName(Policy); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printBuiltinAfter(const BuiltinType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printComplexBefore(const ComplexType *T, raw_ostream &OS) { |
| OS << "_Complex "; |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printComplexAfter(const ComplexType *T, raw_ostream &OS) { |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printPointerBefore(const PointerType *T, raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getPointeeType(), OS); |
| // Handle things like 'int (*A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeType())) |
| OS << '('; |
| OS << '*'; |
| } |
| void TypePrinter::printPointerAfter(const PointerType *T, raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| // Handle things like 'int (*A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeType())) |
| OS << ')'; |
| printAfter(T->getPointeeType(), OS); |
| } |
| |
| void TypePrinter::printBlockPointerBefore(const BlockPointerType *T, |
| raw_ostream &OS) { |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getPointeeType(), OS); |
| OS << '^'; |
| } |
| void TypePrinter::printBlockPointerAfter(const BlockPointerType *T, |
| raw_ostream &OS) { |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printAfter(T->getPointeeType(), OS); |
| } |
| |
| void TypePrinter::printLValueReferenceBefore(const LValueReferenceType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getPointeeTypeAsWritten(), OS); |
| // Handle things like 'int (&A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeTypeAsWritten())) |
| OS << '('; |
| OS << '&'; |
| } |
| void TypePrinter::printLValueReferenceAfter(const LValueReferenceType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| // Handle things like 'int (&A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeTypeAsWritten())) |
| OS << ')'; |
| printAfter(T->getPointeeTypeAsWritten(), OS); |
| } |
| |
| void TypePrinter::printRValueReferenceBefore(const RValueReferenceType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getPointeeTypeAsWritten(), OS); |
| // Handle things like 'int (&&A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeTypeAsWritten())) |
| OS << '('; |
| OS << "&&"; |
| } |
| void TypePrinter::printRValueReferenceAfter(const RValueReferenceType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| // Handle things like 'int (&&A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeTypeAsWritten())) |
| OS << ')'; |
| printAfter(T->getPointeeTypeAsWritten(), OS); |
| } |
| |
| void TypePrinter::printMemberPointerBefore(const MemberPointerType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getPointeeType(), OS); |
| // Handle things like 'int (Cls::*A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeType())) |
| OS << '('; |
| |
| PrintingPolicy InnerPolicy(Policy); |
| InnerPolicy.SuppressTag = false; |
| TypePrinter(InnerPolicy).print(QualType(T->getClass(), 0), OS, StringRef()); |
| |
| OS << "::*"; |
| } |
| void TypePrinter::printMemberPointerAfter(const MemberPointerType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| // Handle things like 'int (Cls::*A)[4];' correctly. |
| // FIXME: this should include vectors, but vectors use attributes I guess. |
| if (isa<ArrayType>(T->getPointeeType())) |
| OS << ')'; |
| printAfter(T->getPointeeType(), OS); |
| } |
| |
| void TypePrinter::printConstantArrayBefore(const ConstantArrayType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printConstantArrayAfter(const ConstantArrayType *T, |
| raw_ostream &OS) { |
| OS << '[' << T->getSize().getZExtValue() << ']'; |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printIncompleteArrayBefore(const IncompleteArrayType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printIncompleteArrayAfter(const IncompleteArrayType *T, |
| raw_ostream &OS) { |
| OS << "[]"; |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printVariableArrayBefore(const VariableArrayType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printVariableArrayAfter(const VariableArrayType *T, |
| raw_ostream &OS) { |
| OS << '['; |
| if (T->getIndexTypeQualifiers().hasQualifiers()) { |
| AppendTypeQualList(OS, T->getIndexTypeCVRQualifiers()); |
| OS << ' '; |
| } |
| |
| if (T->getSizeModifier() == VariableArrayType::Static) |
| OS << "static"; |
| else if (T->getSizeModifier() == VariableArrayType::Star) |
| OS << '*'; |
| |
| if (T->getSizeExpr()) |
| T->getSizeExpr()->printPretty(OS, 0, Policy); |
| OS << ']'; |
| |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printDecayedBefore(const DecayedType *T, raw_ostream &OS) { |
| // Print as though it's a pointer. |
| printBefore(T->getDecayedType(), OS); |
| } |
| void TypePrinter::printDecayedAfter(const DecayedType *T, raw_ostream &OS) { |
| printAfter(T->getDecayedType(), OS); |
| } |
| |
| void TypePrinter::printDependentSizedArrayBefore( |
| const DependentSizedArrayType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printDependentSizedArrayAfter( |
| const DependentSizedArrayType *T, |
| raw_ostream &OS) { |
| OS << '['; |
| if (T->getSizeExpr()) |
| T->getSizeExpr()->printPretty(OS, 0, Policy); |
| OS << ']'; |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printDependentSizedExtVectorBefore( |
| const DependentSizedExtVectorType *T, |
| raw_ostream &OS) { |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printDependentSizedExtVectorAfter( |
| const DependentSizedExtVectorType *T, |
| raw_ostream &OS) { |
| OS << " __attribute__((ext_vector_type("; |
| if (T->getSizeExpr()) |
| T->getSizeExpr()->printPretty(OS, 0, Policy); |
| OS << ")))"; |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printVectorBefore(const VectorType *T, raw_ostream &OS) { |
| switch (T->getVectorKind()) { |
| case VectorType::AltiVecPixel: |
| OS << "__vector __pixel "; |
| break; |
| case VectorType::AltiVecBool: |
| OS << "__vector __bool "; |
| printBefore(T->getElementType(), OS); |
| break; |
| case VectorType::AltiVecVector: |
| OS << "__vector "; |
| printBefore(T->getElementType(), OS); |
| break; |
| case VectorType::NeonVector: |
| OS << "__attribute__((neon_vector_type(" |
| << T->getNumElements() << "))) "; |
| printBefore(T->getElementType(), OS); |
| break; |
| case VectorType::NeonPolyVector: |
| OS << "__attribute__((neon_polyvector_type(" << |
| T->getNumElements() << "))) "; |
| printBefore(T->getElementType(), OS); |
| break; |
| case VectorType::GenericVector: { |
| // FIXME: We prefer to print the size directly here, but have no way |
| // to get the size of the type. |
| OS << "__attribute__((__vector_size__(" |
| << T->getNumElements() |
| << " * sizeof("; |
| print(T->getElementType(), OS, StringRef()); |
| OS << ")))) "; |
| printBefore(T->getElementType(), OS); |
| break; |
| } |
| } |
| } |
| void TypePrinter::printVectorAfter(const VectorType *T, raw_ostream &OS) { |
| printAfter(T->getElementType(), OS); |
| } |
| |
| void TypePrinter::printExtVectorBefore(const ExtVectorType *T, |
| raw_ostream &OS) { |
| printBefore(T->getElementType(), OS); |
| } |
| void TypePrinter::printExtVectorAfter(const ExtVectorType *T, raw_ostream &OS) { |
| printAfter(T->getElementType(), OS); |
| OS << " __attribute__((ext_vector_type("; |
| OS << T->getNumElements(); |
| OS << ")))"; |
| } |
| |
| void |
| FunctionProtoType::printExceptionSpecification(raw_ostream &OS, |
| const PrintingPolicy &Policy) |
| const { |
| |
| if (hasDynamicExceptionSpec()) { |
| OS << " throw("; |
| if (getExceptionSpecType() == EST_MSAny) |
| OS << "..."; |
| else |
| for (unsigned I = 0, N = getNumExceptions(); I != N; ++I) { |
| if (I) |
| OS << ", "; |
| |
| OS << getExceptionType(I).stream(Policy); |
| } |
| OS << ')'; |
| } else if (isNoexceptExceptionSpec(getExceptionSpecType())) { |
| OS << " noexcept"; |
| if (getExceptionSpecType() == EST_ComputedNoexcept) { |
| OS << '('; |
| getNoexceptExpr()->printPretty(OS, 0, Policy); |
| OS << ')'; |
| } |
| } |
| } |
| |
| void TypePrinter::printFunctionProtoBefore(const FunctionProtoType *T, |
| raw_ostream &OS) { |
| if (T->hasTrailingReturn()) { |
| OS << "auto "; |
| if (!HasEmptyPlaceHolder) |
| OS << '('; |
| } else { |
| // If needed for precedence reasons, wrap the inner part in grouping parens. |
| SaveAndRestore<bool> PrevPHIsEmpty(HasEmptyPlaceHolder, false); |
| printBefore(T->getResultType(), OS); |
| if (!PrevPHIsEmpty.get()) |
| OS << '('; |
| } |
| } |
| |
| void TypePrinter::printFunctionProtoAfter(const FunctionProtoType *T, |
| raw_ostream &OS) { |
| // If needed for precedence reasons, wrap the inner part in grouping parens. |
| if (!HasEmptyPlaceHolder) |
| OS << ')'; |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| |
| OS << '('; |
| { |
| ParamPolicyRAII ParamPolicy(Policy); |
| for (unsigned i = 0, e = T->getNumArgs(); i != e; ++i) { |
| if (i) OS << ", "; |
| print(T->getArgType(i), OS, StringRef()); |
| } |
| } |
| |
| if (T->isVariadic()) { |
| if (T->getNumArgs()) |
| OS << ", "; |
| OS << "..."; |
| } else if (T->getNumArgs() == 0 && !Policy.LangOpts.CPlusPlus) { |
| // Do not emit int() if we have a proto, emit 'int(void)'. |
| OS << "void"; |
| } |
| |
| OS << ')'; |
| |
| FunctionType::ExtInfo Info = T->getExtInfo(); |
| |
| if (!InsideCCAttribute) { |
| switch (Info.getCC()) { |
| case CC_C: |
| // The C calling convention is the default on the vast majority of platforms |
| // we support. If the user wrote it explicitly, it will usually be printed |
| // while traversing the AttributedType. If the type has been desugared, let |
| // the canonical spelling be the implicit calling convention. |
| // FIXME: It would be better to be explicit in certain contexts, such as a |
| // cdecl function typedef used to declare a member function with the |
| // Microsoft C++ ABI. |
| break; |
| case CC_X86StdCall: |
| OS << " __attribute__((stdcall))"; |
| break; |
| case CC_X86FastCall: |
| OS << " __attribute__((fastcall))"; |
| break; |
| case CC_X86ThisCall: |
| OS << " __attribute__((thiscall))"; |
| break; |
| case CC_X86Pascal: |
| OS << " __attribute__((pascal))"; |
| break; |
| case CC_AAPCS: |
| OS << " __attribute__((pcs(\"aapcs\")))"; |
| break; |
| case CC_AAPCS_VFP: |
| OS << " __attribute__((pcs(\"aapcs-vfp\")))"; |
| break; |
| case CC_PnaclCall: |
| OS << " __attribute__((pnaclcall))"; |
| break; |
| case CC_IntelOclBicc: |
| OS << " __attribute__((intel_ocl_bicc))"; |
| break; |
| case CC_X86_64Win64: |
| OS << " __attribute__((ms_abi))"; |
| break; |
| case CC_X86_64SysV: |
| OS << " __attribute__((sysv_abi))"; |
| break; |
| } |
| } |
| |
| if (Info.getNoReturn()) |
| OS << " __attribute__((noreturn))"; |
| if (Info.getRegParm()) |
| OS << " __attribute__((regparm (" |
| << Info.getRegParm() << ")))"; |
| |
| if (unsigned quals = T->getTypeQuals()) { |
| OS << ' '; |
| AppendTypeQualList(OS, quals); |
| } |
| |
| switch (T->getRefQualifier()) { |
| case RQ_None: |
| break; |
| |
| case RQ_LValue: |
| OS << " &"; |
| break; |
| |
| case RQ_RValue: |
| OS << " &&"; |
| break; |
| } |
| T->printExceptionSpecification(OS, Policy); |
| |
| if (T->hasTrailingReturn()) { |
| OS << " -> "; |
| print(T->getResultType(), OS, StringRef()); |
| } else |
| printAfter(T->getResultType(), OS); |
| } |
| |
| void TypePrinter::printFunctionNoProtoBefore(const FunctionNoProtoType *T, |
| raw_ostream &OS) { |
| // If needed for precedence reasons, wrap the inner part in grouping parens. |
| SaveAndRestore<bool> PrevPHIsEmpty(HasEmptyPlaceHolder, false); |
| printBefore(T->getResultType(), OS); |
| if (!PrevPHIsEmpty.get()) |
| OS << '('; |
| } |
| void TypePrinter::printFunctionNoProtoAfter(const FunctionNoProtoType *T, |
| raw_ostream &OS) { |
| // If needed for precedence reasons, wrap the inner part in grouping parens. |
| if (!HasEmptyPlaceHolder) |
| OS << ')'; |
| SaveAndRestore<bool> NonEmptyPH(HasEmptyPlaceHolder, false); |
| |
| OS << "()"; |
| if (T->getNoReturnAttr()) |
| OS << " __attribute__((noreturn))"; |
| printAfter(T->getResultType(), OS); |
| } |
| |
| void TypePrinter::printTypeSpec(const NamedDecl *D, raw_ostream &OS) { |
| IdentifierInfo *II = D->getIdentifier(); |
| OS << II->getName(); |
| spaceBeforePlaceHolder(OS); |
| } |
| |
| void TypePrinter::printUnresolvedUsingBefore(const UnresolvedUsingType *T, |
| raw_ostream &OS) { |
| printTypeSpec(T->getDecl(), OS); |
| } |
| void TypePrinter::printUnresolvedUsingAfter(const UnresolvedUsingType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printTypedefBefore(const TypedefType *T, raw_ostream &OS) { |
| printTypeSpec(T->getDecl(), OS); |
| } |
| void TypePrinter::printTypedefAfter(const TypedefType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printTypeOfExprBefore(const TypeOfExprType *T, |
| raw_ostream &OS) { |
| OS << "typeof "; |
| T->getUnderlyingExpr()->printPretty(OS, 0, Policy); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printTypeOfExprAfter(const TypeOfExprType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printTypeOfBefore(const TypeOfType *T, raw_ostream &OS) { |
| OS << "typeof("; |
| print(T->getUnderlyingType(), OS, StringRef()); |
| OS << ')'; |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printTypeOfAfter(const TypeOfType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printDecltypeBefore(const DecltypeType *T, raw_ostream &OS) { |
| OS << "decltype("; |
| T->getUnderlyingExpr()->printPretty(OS, 0, Policy); |
| OS << ')'; |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printDecltypeAfter(const DecltypeType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printUnaryTransformBefore(const UnaryTransformType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| |
| switch (T->getUTTKind()) { |
| case UnaryTransformType::EnumUnderlyingType: |
| OS << "__underlying_type("; |
| print(T->getBaseType(), OS, StringRef()); |
| OS << ')'; |
| spaceBeforePlaceHolder(OS); |
| return; |
| } |
| |
| printBefore(T->getBaseType(), OS); |
| } |
| void TypePrinter::printUnaryTransformAfter(const UnaryTransformType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| |
| switch (T->getUTTKind()) { |
| case UnaryTransformType::EnumUnderlyingType: |
| return; |
| } |
| |
| printAfter(T->getBaseType(), OS); |
| } |
| |
| void TypePrinter::printAutoBefore(const AutoType *T, raw_ostream &OS) { |
| // If the type has been deduced, do not print 'auto'. |
| if (!T->getDeducedType().isNull()) { |
| printBefore(T->getDeducedType(), OS); |
| } else { |
| OS << (T->isDecltypeAuto() ? "decltype(auto)" : "auto"); |
| spaceBeforePlaceHolder(OS); |
| } |
| } |
| void TypePrinter::printAutoAfter(const AutoType *T, raw_ostream &OS) { |
| // If the type has been deduced, do not print 'auto'. |
| if (!T->getDeducedType().isNull()) |
| printAfter(T->getDeducedType(), OS); |
| } |
| |
| void TypePrinter::printAtomicBefore(const AtomicType *T, raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| |
| OS << "_Atomic("; |
| print(T->getValueType(), OS, StringRef()); |
| OS << ')'; |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printAtomicAfter(const AtomicType *T, raw_ostream &OS) { } |
| |
| /// Appends the given scope to the end of a string. |
| void TypePrinter::AppendScope(DeclContext *DC, raw_ostream &OS) { |
| if (DC->isTranslationUnit()) return; |
| if (DC->isFunctionOrMethod()) return; |
| AppendScope(DC->getParent(), OS); |
| |
| if (NamespaceDecl *NS = dyn_cast<NamespaceDecl>(DC)) { |
| if (Policy.SuppressUnwrittenScope && |
| (NS->isAnonymousNamespace() || NS->isInline())) |
| return; |
| if (NS->getIdentifier()) |
| OS << NS->getName() << "::"; |
| else |
| OS << "<anonymous>::"; |
| } else if (ClassTemplateSpecializationDecl *Spec |
| = dyn_cast<ClassTemplateSpecializationDecl>(DC)) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| OS << Spec->getIdentifier()->getName(); |
| const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); |
| TemplateSpecializationType::PrintTemplateArgumentList(OS, |
| TemplateArgs.data(), |
| TemplateArgs.size(), |
| Policy); |
| OS << "::"; |
| } else if (TagDecl *Tag = dyn_cast<TagDecl>(DC)) { |
| if (TypedefNameDecl *Typedef = Tag->getTypedefNameForAnonDecl()) |
| OS << Typedef->getIdentifier()->getName() << "::"; |
| else if (Tag->getIdentifier()) |
| OS << Tag->getIdentifier()->getName() << "::"; |
| else |
| return; |
| } |
| } |
| |
| void TypePrinter::printTag(TagDecl *D, raw_ostream &OS) { |
| if (Policy.SuppressTag) |
| return; |
| |
| bool HasKindDecoration = false; |
| |
| // bool SuppressTagKeyword |
| // = Policy.LangOpts.CPlusPlus || Policy.SuppressTagKeyword; |
| |
| // We don't print tags unless this is an elaborated type. |
| // In C, we just assume every RecordType is an elaborated type. |
| if (!(Policy.LangOpts.CPlusPlus || Policy.SuppressTagKeyword || |
| D->getTypedefNameForAnonDecl())) { |
| HasKindDecoration = true; |
| OS << D->getKindName(); |
| OS << ' '; |
| } |
| |
| // Compute the full nested-name-specifier for this type. |
| // In C, this will always be empty except when the type |
| // being printed is anonymous within other Record. |
| if (!Policy.SuppressScope) |
| AppendScope(D->getDeclContext(), OS); |
| |
| if (const IdentifierInfo *II = D->getIdentifier()) |
| OS << II->getName(); |
| else if (TypedefNameDecl *Typedef = D->getTypedefNameForAnonDecl()) { |
| assert(Typedef->getIdentifier() && "Typedef without identifier?"); |
| OS << Typedef->getIdentifier()->getName(); |
| } else { |
| // Make an unambiguous representation for anonymous types, e.g. |
| // <anonymous enum at /usr/include/string.h:120:9> |
| |
| if (isa<CXXRecordDecl>(D) && cast<CXXRecordDecl>(D)->isLambda()) { |
| OS << "<lambda"; |
| HasKindDecoration = true; |
| } else { |
| OS << "<anonymous"; |
| } |
| |
| if (Policy.AnonymousTagLocations) { |
| // Suppress the redundant tag keyword if we just printed one. |
| // We don't have to worry about ElaboratedTypes here because you can't |
| // refer to an anonymous type with one. |
| if (!HasKindDecoration) |
| OS << " " << D->getKindName(); |
| |
| PresumedLoc PLoc = D->getASTContext().getSourceManager().getPresumedLoc( |
| D->getLocation()); |
| if (PLoc.isValid()) { |
| OS << " at " << PLoc.getFilename() |
| << ':' << PLoc.getLine() |
| << ':' << PLoc.getColumn(); |
| } |
| } |
| |
| OS << '>'; |
| } |
| |
| // If this is a class template specialization, print the template |
| // arguments. |
| if (ClassTemplateSpecializationDecl *Spec |
| = dyn_cast<ClassTemplateSpecializationDecl>(D)) { |
| const TemplateArgument *Args; |
| unsigned NumArgs; |
| if (TypeSourceInfo *TAW = Spec->getTypeAsWritten()) { |
| const TemplateSpecializationType *TST = |
| cast<TemplateSpecializationType>(TAW->getType()); |
| Args = TST->getArgs(); |
| NumArgs = TST->getNumArgs(); |
| } else { |
| const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); |
| Args = TemplateArgs.data(); |
| NumArgs = TemplateArgs.size(); |
| } |
| IncludeStrongLifetimeRAII Strong(Policy); |
| TemplateSpecializationType::PrintTemplateArgumentList(OS, |
| Args, NumArgs, |
| Policy); |
| } |
| |
| spaceBeforePlaceHolder(OS); |
| } |
| |
| void TypePrinter::printRecordBefore(const RecordType *T, raw_ostream &OS) { |
| printTag(T->getDecl(), OS); |
| } |
| void TypePrinter::printRecordAfter(const RecordType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printEnumBefore(const EnumType *T, raw_ostream &OS) { |
| printTag(T->getDecl(), OS); |
| } |
| void TypePrinter::printEnumAfter(const EnumType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printTemplateTypeParmBefore(const TemplateTypeParmType *T, |
| raw_ostream &OS) { |
| if (IdentifierInfo *Id = T->getIdentifier()) |
| OS << Id->getName(); |
| else |
| OS << "type-parameter-" << T->getDepth() << '-' << T->getIndex(); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printTemplateTypeParmAfter(const TemplateTypeParmType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printSubstTemplateTypeParmBefore( |
| const SubstTemplateTypeParmType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| printBefore(T->getReplacementType(), OS); |
| } |
| void TypePrinter::printSubstTemplateTypeParmAfter( |
| const SubstTemplateTypeParmType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| printAfter(T->getReplacementType(), OS); |
| } |
| |
| void TypePrinter::printSubstTemplateTypeParmPackBefore( |
| const SubstTemplateTypeParmPackType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| printTemplateTypeParmBefore(T->getReplacedParameter(), OS); |
| } |
| void TypePrinter::printSubstTemplateTypeParmPackAfter( |
| const SubstTemplateTypeParmPackType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| printTemplateTypeParmAfter(T->getReplacedParameter(), OS); |
| } |
| |
| void TypePrinter::printTemplateSpecializationBefore( |
| const TemplateSpecializationType *T, |
| raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| T->getTemplateName().print(OS, Policy); |
| |
| TemplateSpecializationType::PrintTemplateArgumentList(OS, |
| T->getArgs(), |
| T->getNumArgs(), |
| Policy); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printTemplateSpecializationAfter( |
| const TemplateSpecializationType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printInjectedClassNameBefore(const InjectedClassNameType *T, |
| raw_ostream &OS) { |
| printTemplateSpecializationBefore(T->getInjectedTST(), OS); |
| } |
| void TypePrinter::printInjectedClassNameAfter(const InjectedClassNameType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printElaboratedBefore(const ElaboratedType *T, |
| raw_ostream &OS) { |
| if (Policy.SuppressTag && isa<TagType>(T->getNamedType())) |
| return; |
| OS << TypeWithKeyword::getKeywordName(T->getKeyword()); |
| if (T->getKeyword() != ETK_None) |
| OS << " "; |
| NestedNameSpecifier* Qualifier = T->getQualifier(); |
| if (Qualifier) |
| Qualifier->print(OS, Policy); |
| |
| ElaboratedTypePolicyRAII PolicyRAII(Policy); |
| printBefore(T->getNamedType(), OS); |
| } |
| void TypePrinter::printElaboratedAfter(const ElaboratedType *T, |
| raw_ostream &OS) { |
| ElaboratedTypePolicyRAII PolicyRAII(Policy); |
| printAfter(T->getNamedType(), OS); |
| } |
| |
| void TypePrinter::printParenBefore(const ParenType *T, raw_ostream &OS) { |
| if (!HasEmptyPlaceHolder && !isa<FunctionType>(T->getInnerType())) { |
| printBefore(T->getInnerType(), OS); |
| OS << '('; |
| } else |
| printBefore(T->getInnerType(), OS); |
| } |
| void TypePrinter::printParenAfter(const ParenType *T, raw_ostream &OS) { |
| if (!HasEmptyPlaceHolder && !isa<FunctionType>(T->getInnerType())) { |
| OS << ')'; |
| printAfter(T->getInnerType(), OS); |
| } else |
| printAfter(T->getInnerType(), OS); |
| } |
| |
| void TypePrinter::printDependentNameBefore(const DependentNameType *T, |
| raw_ostream &OS) { |
| OS << TypeWithKeyword::getKeywordName(T->getKeyword()); |
| if (T->getKeyword() != ETK_None) |
| OS << " "; |
| |
| T->getQualifier()->print(OS, Policy); |
| |
| OS << T->getIdentifier()->getName(); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printDependentNameAfter(const DependentNameType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printDependentTemplateSpecializationBefore( |
| const DependentTemplateSpecializationType *T, raw_ostream &OS) { |
| IncludeStrongLifetimeRAII Strong(Policy); |
| |
| OS << TypeWithKeyword::getKeywordName(T->getKeyword()); |
| if (T->getKeyword() != ETK_None) |
| OS << " "; |
| |
| if (T->getQualifier()) |
| T->getQualifier()->print(OS, Policy); |
| OS << T->getIdentifier()->getName(); |
| TemplateSpecializationType::PrintTemplateArgumentList(OS, |
| T->getArgs(), |
| T->getNumArgs(), |
| Policy); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printDependentTemplateSpecializationAfter( |
| const DependentTemplateSpecializationType *T, raw_ostream &OS) { } |
| |
| void TypePrinter::printPackExpansionBefore(const PackExpansionType *T, |
| raw_ostream &OS) { |
| printBefore(T->getPattern(), OS); |
| } |
| void TypePrinter::printPackExpansionAfter(const PackExpansionType *T, |
| raw_ostream &OS) { |
| printAfter(T->getPattern(), OS); |
| OS << "..."; |
| } |
| |
| void TypePrinter::printAttributedBefore(const AttributedType *T, |
| raw_ostream &OS) { |
| // Prefer the macro forms of the GC and ownership qualifiers. |
| if (T->getAttrKind() == AttributedType::attr_objc_gc || |
| T->getAttrKind() == AttributedType::attr_objc_ownership) |
| return printBefore(T->getEquivalentType(), OS); |
| |
| printBefore(T->getModifiedType(), OS); |
| |
| if (T->isMSTypeSpec()) { |
| switch (T->getAttrKind()) { |
| default: return; |
| case AttributedType::attr_ptr32: OS << " __ptr32"; break; |
| case AttributedType::attr_ptr64: OS << " __ptr64"; break; |
| case AttributedType::attr_sptr: OS << " __sptr"; break; |
| case AttributedType::attr_uptr: OS << " __uptr"; break; |
| } |
| spaceBeforePlaceHolder(OS); |
| } |
| } |
| |
| void TypePrinter::printAttributedAfter(const AttributedType *T, |
| raw_ostream &OS) { |
| // Prefer the macro forms of the GC and ownership qualifiers. |
| if (T->getAttrKind() == AttributedType::attr_objc_gc || |
| T->getAttrKind() == AttributedType::attr_objc_ownership) |
| return printAfter(T->getEquivalentType(), OS); |
| |
| // TODO: not all attributes are GCC-style attributes. |
| if (T->isMSTypeSpec()) |
| return; |
| |
| // If this is a calling convention attribute, don't print the implicit CC from |
| // the modified type. |
| SaveAndRestore<bool> MaybeSuppressCC(InsideCCAttribute, T->isCallingConv()); |
| |
| printAfter(T->getModifiedType(), OS); |
| |
| OS << " __attribute__(("; |
| switch (T->getAttrKind()) { |
| default: llvm_unreachable("This attribute should have been handled already"); |
| case AttributedType::attr_address_space: |
| OS << "address_space("; |
| OS << T->getEquivalentType().getAddressSpace(); |
| OS << ')'; |
| break; |
| |
| case AttributedType::attr_vector_size: { |
| OS << "__vector_size__("; |
| if (const VectorType *vector =T->getEquivalentType()->getAs<VectorType>()) { |
| OS << vector->getNumElements(); |
| OS << " * sizeof("; |
| print(vector->getElementType(), OS, StringRef()); |
| OS << ')'; |
| } |
| OS << ')'; |
| break; |
| } |
| |
| case AttributedType::attr_neon_vector_type: |
| case AttributedType::attr_neon_polyvector_type: { |
| if (T->getAttrKind() == AttributedType::attr_neon_vector_type) |
| OS << "neon_vector_type("; |
| else |
| OS << "neon_polyvector_type("; |
| const VectorType *vector = T->getEquivalentType()->getAs<VectorType>(); |
| OS << vector->getNumElements(); |
| OS << ')'; |
| break; |
| } |
| |
| case AttributedType::attr_regparm: { |
| // FIXME: When Sema learns to form this AttributedType, avoid printing the |
| // attribute again in printFunctionProtoAfter. |
| OS << "regparm("; |
| QualType t = T->getEquivalentType(); |
| while (!t->isFunctionType()) |
| t = t->getPointeeType(); |
| OS << t->getAs<FunctionType>()->getRegParmType(); |
| OS << ')'; |
| break; |
| } |
| |
| case AttributedType::attr_objc_gc: { |
| OS << "objc_gc("; |
| |
| QualType tmp = T->getEquivalentType(); |
| while (tmp.getObjCGCAttr() == Qualifiers::GCNone) { |
| QualType next = tmp->getPointeeType(); |
| if (next == tmp) break; |
| tmp = next; |
| } |
| |
| if (tmp.isObjCGCWeak()) |
| OS << "weak"; |
| else |
| OS << "strong"; |
| OS << ')'; |
| break; |
| } |
| |
| case AttributedType::attr_objc_ownership: |
| OS << "objc_ownership("; |
| switch (T->getEquivalentType().getObjCLifetime()) { |
| case Qualifiers::OCL_None: llvm_unreachable("no ownership!"); |
| case Qualifiers::OCL_ExplicitNone: OS << "none"; break; |
| case Qualifiers::OCL_Strong: OS << "strong"; break; |
| case Qualifiers::OCL_Weak: OS << "weak"; break; |
| case Qualifiers::OCL_Autoreleasing: OS << "autoreleasing"; break; |
| } |
| OS << ')'; |
| break; |
| |
| // FIXME: When Sema learns to form this AttributedType, avoid printing the |
| // attribute again in printFunctionProtoAfter. |
| case AttributedType::attr_noreturn: OS << "noreturn"; break; |
| |
| case AttributedType::attr_cdecl: OS << "cdecl"; break; |
| case AttributedType::attr_fastcall: OS << "fastcall"; break; |
| case AttributedType::attr_stdcall: OS << "stdcall"; break; |
| case AttributedType::attr_thiscall: OS << "thiscall"; break; |
| case AttributedType::attr_pascal: OS << "pascal"; break; |
| case AttributedType::attr_ms_abi: OS << "ms_abi"; break; |
| case AttributedType::attr_sysv_abi: OS << "sysv_abi"; break; |
| case AttributedType::attr_pcs: |
| case AttributedType::attr_pcs_vfp: { |
| OS << "pcs("; |
| QualType t = T->getEquivalentType(); |
| while (!t->isFunctionType()) |
| t = t->getPointeeType(); |
| OS << (t->getAs<FunctionType>()->getCallConv() == CC_AAPCS ? |
| "\"aapcs\"" : "\"aapcs-vfp\""); |
| OS << ')'; |
| break; |
| } |
| case AttributedType::attr_pnaclcall: OS << "pnaclcall"; break; |
| case AttributedType::attr_inteloclbicc: OS << "inteloclbicc"; break; |
| } |
| OS << "))"; |
| } |
| |
| void TypePrinter::printObjCInterfaceBefore(const ObjCInterfaceType *T, |
| raw_ostream &OS) { |
| OS << T->getDecl()->getName(); |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printObjCInterfaceAfter(const ObjCInterfaceType *T, |
| raw_ostream &OS) { } |
| |
| void TypePrinter::printObjCObjectBefore(const ObjCObjectType *T, |
| raw_ostream &OS) { |
| if (T->qual_empty()) |
| return printBefore(T->getBaseType(), OS); |
| |
| print(T->getBaseType(), OS, StringRef()); |
| OS << '<'; |
| bool isFirst = true; |
| for (ObjCObjectType::qual_iterator |
| I = T->qual_begin(), E = T->qual_end(); I != E; ++I) { |
| if (isFirst) |
| isFirst = false; |
| else |
| OS << ','; |
| OS << (*I)->getName(); |
| } |
| OS << '>'; |
| spaceBeforePlaceHolder(OS); |
| } |
| void TypePrinter::printObjCObjectAfter(const ObjCObjectType *T, |
| raw_ostream &OS) { |
| if (T->qual_empty()) |
| return printAfter(T->getBaseType(), OS); |
| } |
| |
| void TypePrinter::printObjCObjectPointerBefore(const ObjCObjectPointerType *T, |
| raw_ostream &OS) { |
| T->getPointeeType().getLocalQualifiers().print(OS, Policy, |
| /*appendSpaceIfNonEmpty=*/true); |
| |
| if (T->isObjCIdType() || T->isObjCQualifiedIdType()) |
| OS << "id"; |
| else if (T->isObjCClassType() || T->isObjCQualifiedClassType()) |
| OS << "Class"; |
| else if (T->isObjCSelType()) |
| OS << "SEL"; |
| else |
| OS << T->getInterfaceDecl()->getName(); |
| |
| if (!T->qual_empty()) { |
| OS << '<'; |
| for (ObjCObjectPointerType::qual_iterator I = T->qual_begin(), |
| E = T->qual_end(); |
| I != E; ++I) { |
| OS << (*I)->getName(); |
| if (I+1 != E) |
| OS << ','; |
| } |
| OS << '>'; |
| } |
| |
| if (!T->isObjCIdType() && !T->isObjCQualifiedIdType()) { |
| OS << " *"; // Don't forget the implicit pointer. |
| } else { |
| spaceBeforePlaceHolder(OS); |
| } |
| } |
| void TypePrinter::printObjCObjectPointerAfter(const ObjCObjectPointerType *T, |
| raw_ostream &OS) { } |
| |
| void TemplateSpecializationType:: |
| PrintTemplateArgumentList(raw_ostream &OS, |
| const TemplateArgumentListInfo &Args, |
| const PrintingPolicy &Policy) { |
| return PrintTemplateArgumentList(OS, |
| Args.getArgumentArray(), |
| Args.size(), |
| Policy); |
| } |
| |
| void |
| TemplateSpecializationType::PrintTemplateArgumentList( |
| raw_ostream &OS, |
| const TemplateArgument *Args, |
| unsigned NumArgs, |
| const PrintingPolicy &Policy, |
| bool SkipBrackets) { |
| if (!SkipBrackets) |
| OS << '<'; |
| |
| bool needSpace = false; |
| for (unsigned Arg = 0; Arg < NumArgs; ++Arg) { |
| // Print the argument into a string. |
| SmallString<128> Buf; |
| llvm::raw_svector_ostream ArgOS(Buf); |
| if (Args[Arg].getKind() == TemplateArgument::Pack) { |
| if (Args[Arg].pack_size() && Arg > 0) |
| OS << ", "; |
| PrintTemplateArgumentList(ArgOS, |
| Args[Arg].pack_begin(), |
| Args[Arg].pack_size(), |
| Policy, true); |
| } else { |
| if (Arg > 0) |
| OS << ", "; |
| Args[Arg].print(Policy, ArgOS); |
| } |
| StringRef ArgString = ArgOS.str(); |
| |
| // If this is the first argument and its string representation |
| // begins with the global scope specifier ('::foo'), add a space |
| // to avoid printing the diagraph '<:'. |
| if (!Arg && !ArgString.empty() && ArgString[0] == ':') |
| OS << ' '; |
| |
| OS << ArgString; |
| |
| needSpace = (!ArgString.empty() && ArgString.back() == '>'); |
| } |
| |
| // If the last character of our string is '>', add another space to |
| // keep the two '>''s separate tokens. We don't *have* to do this in |
| // C++0x, but it's still good hygiene. |
| if (needSpace) |
| OS << ' '; |
| |
| if (!SkipBrackets) |
| OS << '>'; |
| } |
| |
| // Sadly, repeat all that with TemplateArgLoc. |
| void TemplateSpecializationType:: |
| PrintTemplateArgumentList(raw_ostream &OS, |
| const TemplateArgumentLoc *Args, unsigned NumArgs, |
| const PrintingPolicy &Policy) { |
| OS << '<'; |
| |
| bool needSpace = false; |
| for (unsigned Arg = 0; Arg < NumArgs; ++Arg) { |
| if (Arg > 0) |
| OS << ", "; |
| |
| // Print the argument into a string. |
| SmallString<128> Buf; |
| llvm::raw_svector_ostream ArgOS(Buf); |
| if (Args[Arg].getArgument().getKind() == TemplateArgument::Pack) { |
| PrintTemplateArgumentList(ArgOS, |
| Args[Arg].getArgument().pack_begin(), |
| Args[Arg].getArgument().pack_size(), |
| Policy, true); |
| } else { |
| Args[Arg].getArgument().print(Policy, ArgOS); |
| } |
| StringRef ArgString = ArgOS.str(); |
| |
| // If this is the first argument and its string representation |
| // begins with the global scope specifier ('::foo'), add a space |
| // to avoid printing the diagraph '<:'. |
| if (!Arg && !ArgString.empty() && ArgString[0] == ':') |
| OS << ' '; |
| |
| OS << ArgString; |
| |
| needSpace = (!ArgString.empty() && ArgString.back() == '>'); |
| } |
| |
| // If the last character of our string is '>', add another space to |
| // keep the two '>''s separate tokens. We don't *have* to do this in |
| // C++0x, but it's still good hygiene. |
| if (needSpace) |
| OS << ' '; |
| |
| OS << '>'; |
| } |
| |
| void QualType::dump(const char *msg) const { |
| if (msg) |
| llvm::errs() << msg << ": "; |
| LangOptions LO; |
| print(llvm::errs(), PrintingPolicy(LO), "identifier"); |
| llvm::errs() << '\n'; |
| } |
| void QualType::dump() const { |
| dump(0); |
| } |
| |
| void Type::dump() const { |
| QualType(this, 0).dump(); |
| } |
| |
| std::string Qualifiers::getAsString() const { |
| LangOptions LO; |
| return getAsString(PrintingPolicy(LO)); |
| } |
| |
| // Appends qualifiers to the given string, separated by spaces. Will |
| // prefix a space if the string is non-empty. Will not append a final |
| // space. |
| std::string Qualifiers::getAsString(const PrintingPolicy &Policy) const { |
| SmallString<64> Buf; |
| llvm::raw_svector_ostream StrOS(Buf); |
| print(StrOS, Policy); |
| return StrOS.str(); |
| } |
| |
| bool Qualifiers::isEmptyWhenPrinted(const PrintingPolicy &Policy) const { |
| if (getCVRQualifiers()) |
| return false; |
| |
| if (getAddressSpace()) |
| return false; |
| |
| if (getObjCGCAttr()) |
| return false; |
| |
| if (Qualifiers::ObjCLifetime lifetime = getObjCLifetime()) |
| if (!(lifetime == Qualifiers::OCL_Strong && Policy.SuppressStrongLifetime)) |
| return false; |
| |
| return true; |
| } |
| |
| // Appends qualifiers to the given string, separated by spaces. Will |
| // prefix a space if the string is non-empty. Will not append a final |
| // space. |
| void Qualifiers::print(raw_ostream &OS, const PrintingPolicy& Policy, |
| bool appendSpaceIfNonEmpty) const { |
| bool addSpace = false; |
| |
| unsigned quals = getCVRQualifiers(); |
| if (quals) { |
| AppendTypeQualList(OS, quals); |
| addSpace = true; |
| } |
| if (unsigned addrspace = getAddressSpace()) { |
| if (addSpace) |
| OS << ' '; |
| addSpace = true; |
| switch (addrspace) { |
| case LangAS::opencl_global: |
| OS << "__global"; |
| break; |
| case LangAS::opencl_local: |
| OS << "__local"; |
| break; |
| case LangAS::opencl_constant: |
| OS << "__constant"; |
| break; |
| default: |
| OS << "__attribute__((address_space("; |
| OS << addrspace; |
| OS << ")))"; |
| } |
| } |
| if (Qualifiers::GC gc = getObjCGCAttr()) { |
| if (addSpace) |
| OS << ' '; |
| addSpace = true; |
| if (gc == Qualifiers::Weak) |
| OS << "__weak"; |
| else |
| OS << "__strong"; |
| } |
| if (Qualifiers::ObjCLifetime lifetime = getObjCLifetime()) { |
| if (!(lifetime == Qualifiers::OCL_Strong && Policy.SuppressStrongLifetime)){ |
| if (addSpace) |
| OS << ' '; |
| addSpace = true; |
| } |
| |
| switch (lifetime) { |
| case Qualifiers::OCL_None: llvm_unreachable("none but true"); |
| case Qualifiers::OCL_ExplicitNone: OS << "__unsafe_unretained"; break; |
| case Qualifiers::OCL_Strong: |
| if (!Policy.SuppressStrongLifetime) |
| OS << "__strong"; |
| break; |
| |
| case Qualifiers::OCL_Weak: OS << "__weak"; break; |
| case Qualifiers::OCL_Autoreleasing: OS << "__autoreleasing"; break; |
| } |
| } |
| |
| if (appendSpaceIfNonEmpty && addSpace) |
| OS << ' '; |
| } |
| |
| std::string QualType::getAsString(const PrintingPolicy &Policy) const { |
| std::string S; |
| getAsStringInternal(S, Policy); |
| return S; |
| } |
| |
| std::string QualType::getAsString(const Type *ty, Qualifiers qs) { |
| std::string buffer; |
| LangOptions options; |
| getAsStringInternal(ty, qs, buffer, PrintingPolicy(options)); |
| return buffer; |
| } |
| |
| void QualType::print(const Type *ty, Qualifiers qs, |
| raw_ostream &OS, const PrintingPolicy &policy, |
| const Twine &PlaceHolder) { |
| SmallString<128> PHBuf; |
| StringRef PH = PlaceHolder.toStringRef(PHBuf); |
| |
| TypePrinter(policy).print(ty, qs, OS, PH); |
| } |
| |
| void QualType::getAsStringInternal(const Type *ty, Qualifiers qs, |
| std::string &buffer, |
| const PrintingPolicy &policy) { |
| SmallString<256> Buf; |
| llvm::raw_svector_ostream StrOS(Buf); |
| TypePrinter(policy).print(ty, qs, StrOS, buffer); |
| std::string str = StrOS.str(); |
| buffer.swap(str); |
| } |