diff options
Diffstat (limited to 'tools/libclang/CIndexUSRs.cpp')
| -rw-r--r-- | tools/libclang/CIndexUSRs.cpp | 848 |
1 files changed, 34 insertions, 814 deletions
diff --git a/tools/libclang/CIndexUSRs.cpp b/tools/libclang/CIndexUSRs.cpp index a911ce5..2b43c5b 100644 --- a/tools/libclang/CIndexUSRs.cpp +++ b/tools/libclang/CIndexUSRs.cpp @@ -14,787 +14,13 @@ #include "CIndexer.h" #include "CXCursor.h" #include "CXString.h" -#include "clang/AST/DeclTemplate.h" -#include "clang/AST/DeclVisitor.h" -#include "clang/Frontend/ASTUnit.h" +#include "clang/Index/USRGeneration.h" #include "clang/Lex/PreprocessingRecord.h" #include "llvm/ADT/SmallString.h" #include "llvm/Support/raw_ostream.h" using namespace clang; - -//===----------------------------------------------------------------------===// -// USR generation. -//===----------------------------------------------------------------------===// - -namespace { -class USRGenerator : public ConstDeclVisitor<USRGenerator> { - OwningPtr<SmallString<128> > OwnedBuf; - SmallVectorImpl<char> &Buf; - llvm::raw_svector_ostream Out; - bool IgnoreResults; - ASTContext *Context; - bool generatedLoc; - - llvm::DenseMap<const Type *, unsigned> TypeSubstitutions; - -public: - explicit USRGenerator(ASTContext *Ctx = 0, SmallVectorImpl<char> *extBuf = 0) - : OwnedBuf(extBuf ? 0 : new SmallString<128>()), - Buf(extBuf ? *extBuf : *OwnedBuf.get()), - Out(Buf), - IgnoreResults(false), - Context(Ctx), - generatedLoc(false) - { - // Add the USR space prefix. - Out << "c:"; - } - - StringRef str() { - return Out.str(); - } - - USRGenerator* operator->() { return this; } - - template <typename T> - llvm::raw_svector_ostream &operator<<(const T &x) { - Out << x; - return Out; - } - - bool ignoreResults() const { return IgnoreResults; } - - // Visitation methods from generating USRs from AST elements. - void VisitDeclContext(const DeclContext *D); - void VisitFieldDecl(const FieldDecl *D); - void VisitFunctionDecl(const FunctionDecl *D); - void VisitNamedDecl(const NamedDecl *D); - void VisitNamespaceDecl(const NamespaceDecl *D); - void VisitNamespaceAliasDecl(const NamespaceAliasDecl *D); - void VisitFunctionTemplateDecl(const FunctionTemplateDecl *D); - void VisitClassTemplateDecl(const ClassTemplateDecl *D); - void VisitObjCContainerDecl(const ObjCContainerDecl *CD); - void VisitObjCMethodDecl(const ObjCMethodDecl *MD); - void VisitObjCPropertyDecl(const ObjCPropertyDecl *D); - void VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D); - void VisitTagDecl(const TagDecl *D); - void VisitTypedefDecl(const TypedefDecl *D); - void VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D); - void VisitVarDecl(const VarDecl *D); - void VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl *D); - void VisitTemplateTemplateParmDecl(const TemplateTemplateParmDecl *D); - void VisitLinkageSpecDecl(const LinkageSpecDecl *D) { - IgnoreResults = true; - } - void VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) { - IgnoreResults = true; - } - void VisitUsingDecl(const UsingDecl *D) { - IgnoreResults = true; - } - void VisitUnresolvedUsingValueDecl(const UnresolvedUsingValueDecl *D) { - IgnoreResults = true; - } - void VisitUnresolvedUsingTypenameDecl(const UnresolvedUsingTypenameDecl *D) { - IgnoreResults = true; - } - - /// Generate the string component containing the location of the - /// declaration. - bool GenLoc(const Decl *D); - - /// String generation methods used both by the visitation methods - /// and from other clients that want to directly generate USRs. These - /// methods do not construct complete USRs (which incorporate the parents - /// of an AST element), but only the fragments concerning the AST element - /// itself. - - /// Generate a USR for an Objective-C class. - void GenObjCClass(StringRef cls); - /// Generate a USR for an Objective-C class category. - void GenObjCCategory(StringRef cls, StringRef cat); - /// Generate a USR fragment for an Objective-C instance variable. The - /// complete USR can be created by concatenating the USR for the - /// encompassing class with this USR fragment. - void GenObjCIvar(StringRef ivar); - /// Generate a USR fragment for an Objective-C method. - void GenObjCMethod(StringRef sel, bool isInstanceMethod); - /// Generate a USR fragment for an Objective-C property. - void GenObjCProperty(StringRef prop); - /// Generate a USR for an Objective-C protocol. - void GenObjCProtocol(StringRef prot); - - void VisitType(QualType T); - void VisitTemplateParameterList(const TemplateParameterList *Params); - void VisitTemplateName(TemplateName Name); - void VisitTemplateArgument(const TemplateArgument &Arg); - - /// Emit a Decl's name using NamedDecl::printName() and return true if - /// the decl had no name. - bool EmitDeclName(const NamedDecl *D); -}; - -} // end anonymous namespace - -//===----------------------------------------------------------------------===// -// Generating USRs from ASTS. -//===----------------------------------------------------------------------===// - -bool USRGenerator::EmitDeclName(const NamedDecl *D) { - Out.flush(); - const unsigned startSize = Buf.size(); - D->printName(Out); - Out.flush(); - const unsigned endSize = Buf.size(); - return startSize == endSize; -} - -static inline bool ShouldGenerateLocation(const NamedDecl *D) { - return D->getLinkage() != ExternalLinkage; -} - -void USRGenerator::VisitDeclContext(const DeclContext *DC) { - if (const NamedDecl *D = dyn_cast<NamedDecl>(DC)) - Visit(D); -} - -void USRGenerator::VisitFieldDecl(const FieldDecl *D) { - // The USR for an ivar declared in a class extension is based on the - // ObjCInterfaceDecl, not the ObjCCategoryDecl. - if (const ObjCInterfaceDecl *ID = Context->getObjContainingInterface(D)) - Visit(ID); - else - VisitDeclContext(D->getDeclContext()); - Out << (isa<ObjCIvarDecl>(D) ? "@" : "@FI@"); - if (EmitDeclName(D)) { - // Bit fields can be anonymous. - IgnoreResults = true; - return; - } -} - -void USRGenerator::VisitFunctionDecl(const FunctionDecl *D) { - if (ShouldGenerateLocation(D) && GenLoc(D)) - return; - - VisitDeclContext(D->getDeclContext()); - if (FunctionTemplateDecl *FunTmpl = D->getDescribedFunctionTemplate()) { - Out << "@FT@"; - VisitTemplateParameterList(FunTmpl->getTemplateParameters()); - } else - Out << "@F@"; - D->printName(Out); - - ASTContext &Ctx = *Context; - if (!Ctx.getLangOpts().CPlusPlus || D->isExternC()) - return; - - if (const TemplateArgumentList * - SpecArgs = D->getTemplateSpecializationArgs()) { - Out << '<'; - for (unsigned I = 0, N = SpecArgs->size(); I != N; ++I) { - Out << '#'; - VisitTemplateArgument(SpecArgs->get(I)); - } - Out << '>'; - } - - // Mangle in type information for the arguments. - for (FunctionDecl::param_const_iterator I = D->param_begin(), - E = D->param_end(); - I != E; ++I) { - Out << '#'; - if (ParmVarDecl *PD = *I) - VisitType(PD->getType()); - } - if (D->isVariadic()) - Out << '.'; - Out << '#'; - if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) { - if (MD->isStatic()) - Out << 'S'; - if (unsigned quals = MD->getTypeQualifiers()) - Out << (char)('0' + quals); - } -} - -void USRGenerator::VisitNamedDecl(const NamedDecl *D) { - VisitDeclContext(D->getDeclContext()); - Out << "@"; - - if (EmitDeclName(D)) { - // The string can be empty if the declaration has no name; e.g., it is - // the ParmDecl with no name for declaration of a function pointer type, - // e.g.: void (*f)(void *); - // In this case, don't generate a USR. - IgnoreResults = true; - } -} - -void USRGenerator::VisitVarDecl(const VarDecl *D) { - // VarDecls can be declared 'extern' within a function or method body, - // but their enclosing DeclContext is the function, not the TU. We need - // to check the storage class to correctly generate the USR. - if (ShouldGenerateLocation(D) && GenLoc(D)) - return; - - VisitDeclContext(D->getDeclContext()); - - // Variables always have simple names. - StringRef s = D->getName(); - - // The string can be empty if the declaration has no name; e.g., it is - // the ParmDecl with no name for declaration of a function pointer type, e.g.: - // void (*f)(void *); - // In this case, don't generate a USR. - if (s.empty()) - IgnoreResults = true; - else - Out << '@' << s; -} - -void USRGenerator::VisitNonTypeTemplateParmDecl( - const NonTypeTemplateParmDecl *D) { - GenLoc(D); - return; -} - -void USRGenerator::VisitTemplateTemplateParmDecl( - const TemplateTemplateParmDecl *D) { - GenLoc(D); - return; -} - -void USRGenerator::VisitNamespaceDecl(const NamespaceDecl *D) { - if (D->isAnonymousNamespace()) { - Out << "@aN"; - return; - } - - VisitDeclContext(D->getDeclContext()); - if (!IgnoreResults) - Out << "@N@" << D->getName(); -} - -void USRGenerator::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) { - VisitFunctionDecl(D->getTemplatedDecl()); -} - -void USRGenerator::VisitClassTemplateDecl(const ClassTemplateDecl *D) { - VisitTagDecl(D->getTemplatedDecl()); -} - -void USRGenerator::VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) { - VisitDeclContext(D->getDeclContext()); - if (!IgnoreResults) - Out << "@NA@" << D->getName(); -} - -void USRGenerator::VisitObjCMethodDecl(const ObjCMethodDecl *D) { - const DeclContext *container = D->getDeclContext(); - if (const ObjCProtocolDecl *pd = dyn_cast<ObjCProtocolDecl>(container)) { - Visit(pd); - } - else { - // The USR for a method declared in a class extension or category is based on - // the ObjCInterfaceDecl, not the ObjCCategoryDecl. - const ObjCInterfaceDecl *ID = D->getClassInterface(); - if (!ID) { - IgnoreResults = true; - return; - } - Visit(ID); - } - // Ideally we would use 'GenObjCMethod', but this is such a hot path - // for Objective-C code that we don't want to use - // DeclarationName::getAsString(). - Out << (D->isInstanceMethod() ? "(im)" : "(cm)"); - DeclarationName N(D->getSelector()); - N.printName(Out); -} - -void USRGenerator::VisitObjCContainerDecl(const ObjCContainerDecl *D) { - switch (D->getKind()) { - default: - llvm_unreachable("Invalid ObjC container."); - case Decl::ObjCInterface: - case Decl::ObjCImplementation: - GenObjCClass(D->getName()); - break; - case Decl::ObjCCategory: { - const ObjCCategoryDecl *CD = cast<ObjCCategoryDecl>(D); - const ObjCInterfaceDecl *ID = CD->getClassInterface(); - if (!ID) { - // Handle invalid code where the @interface might not - // have been specified. - // FIXME: We should be able to generate this USR even if the - // @interface isn't available. - IgnoreResults = true; - return; - } - // Specially handle class extensions, which are anonymous categories. - // We want to mangle in the location to uniquely distinguish them. - if (CD->IsClassExtension()) { - Out << "objc(ext)" << ID->getName() << '@'; - GenLoc(CD); - } - else - GenObjCCategory(ID->getName(), CD->getName()); - - break; - } - case Decl::ObjCCategoryImpl: { - const ObjCCategoryImplDecl *CD = cast<ObjCCategoryImplDecl>(D); - const ObjCInterfaceDecl *ID = CD->getClassInterface(); - if (!ID) { - // Handle invalid code where the @interface might not - // have been specified. - // FIXME: We should be able to generate this USR even if the - // @interface isn't available. - IgnoreResults = true; - return; - } - GenObjCCategory(ID->getName(), CD->getName()); - break; - } - case Decl::ObjCProtocol: - GenObjCProtocol(cast<ObjCProtocolDecl>(D)->getName()); - break; - } -} - -void USRGenerator::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) { - // The USR for a property declared in a class extension or category is based - // on the ObjCInterfaceDecl, not the ObjCCategoryDecl. - if (const ObjCInterfaceDecl *ID = Context->getObjContainingInterface(D)) - Visit(ID); - else - Visit(cast<Decl>(D->getDeclContext())); - GenObjCProperty(D->getName()); -} - -void USRGenerator::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) { - if (ObjCPropertyDecl *PD = D->getPropertyDecl()) { - VisitObjCPropertyDecl(PD); - return; - } - - IgnoreResults = true; -} - -void USRGenerator::VisitTagDecl(const TagDecl *D) { - // Add the location of the tag decl to handle resolution across - // translation units. - if (ShouldGenerateLocation(D) && GenLoc(D)) - return; - - D = D->getCanonicalDecl(); - VisitDeclContext(D->getDeclContext()); - - bool AlreadyStarted = false; - if (const CXXRecordDecl *CXXRecord = dyn_cast<CXXRecordDecl>(D)) { - if (ClassTemplateDecl *ClassTmpl = CXXRecord->getDescribedClassTemplate()) { - AlreadyStarted = true; - - switch (D->getTagKind()) { - case TTK_Interface: - case TTK_Struct: Out << "@ST"; break; - case TTK_Class: Out << "@CT"; break; - case TTK_Union: Out << "@UT"; break; - case TTK_Enum: llvm_unreachable("enum template"); - } - VisitTemplateParameterList(ClassTmpl->getTemplateParameters()); - } else if (const ClassTemplatePartialSpecializationDecl *PartialSpec - = dyn_cast<ClassTemplatePartialSpecializationDecl>(CXXRecord)) { - AlreadyStarted = true; - - switch (D->getTagKind()) { - case TTK_Interface: - case TTK_Struct: Out << "@SP"; break; - case TTK_Class: Out << "@CP"; break; - case TTK_Union: Out << "@UP"; break; - case TTK_Enum: llvm_unreachable("enum partial specialization"); - } - VisitTemplateParameterList(PartialSpec->getTemplateParameters()); - } - } - - if (!AlreadyStarted) { - switch (D->getTagKind()) { - case TTK_Interface: - case TTK_Struct: Out << "@S"; break; - case TTK_Class: Out << "@C"; break; - case TTK_Union: Out << "@U"; break; - case TTK_Enum: Out << "@E"; break; - } - } - - Out << '@'; - Out.flush(); - assert(Buf.size() > 0); - const unsigned off = Buf.size() - 1; - - if (EmitDeclName(D)) { - if (const TypedefNameDecl *TD = D->getTypedefNameForAnonDecl()) { - Buf[off] = 'A'; - Out << '@' << *TD; - } - else - Buf[off] = 'a'; - } - - // For a class template specialization, mangle the template arguments. - if (const ClassTemplateSpecializationDecl *Spec - = dyn_cast<ClassTemplateSpecializationDecl>(D)) { - const TemplateArgumentList &Args = Spec->getTemplateInstantiationArgs(); - Out << '>'; - for (unsigned I = 0, N = Args.size(); I != N; ++I) { - Out << '#'; - VisitTemplateArgument(Args.get(I)); - } - } -} - -void USRGenerator::VisitTypedefDecl(const TypedefDecl *D) { - if (ShouldGenerateLocation(D) && GenLoc(D)) - return; - const DeclContext *DC = D->getDeclContext(); - if (const NamedDecl *DCN = dyn_cast<NamedDecl>(DC)) - Visit(DCN); - Out << "@T@"; - Out << D->getName(); -} - -void USRGenerator::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) { - GenLoc(D); - return; -} - -bool USRGenerator::GenLoc(const Decl *D) { - if (generatedLoc) - return IgnoreResults; - generatedLoc = true; - - // Guard against null declarations in invalid code. - if (!D) { - IgnoreResults = true; - return true; - } - - // Use the location of canonical decl. - D = D->getCanonicalDecl(); - - const SourceManager &SM = Context->getSourceManager(); - SourceLocation L = D->getLocStart(); - if (L.isInvalid()) { - IgnoreResults = true; - return true; - } - L = SM.getExpansionLoc(L); - const std::pair<FileID, unsigned> &Decomposed = SM.getDecomposedLoc(L); - const FileEntry *FE = SM.getFileEntryForID(Decomposed.first); - if (FE) { - Out << llvm::sys::path::filename(FE->getName()); - } - else { - // This case really isn't interesting. - IgnoreResults = true; - return true; - } - // Use the offest into the FileID to represent the location. Using - // a line/column can cause us to look back at the original source file, - // which is expensive. - Out << '@' << Decomposed.second; - return IgnoreResults; -} - -void USRGenerator::VisitType(QualType T) { - // This method mangles in USR information for types. It can possibly - // just reuse the naming-mangling logic used by codegen, although the - // requirements for USRs might not be the same. - ASTContext &Ctx = *Context; - - do { - T = Ctx.getCanonicalType(T); - Qualifiers Q = T.getQualifiers(); - unsigned qVal = 0; - if (Q.hasConst()) - qVal |= 0x1; - if (Q.hasVolatile()) - qVal |= 0x2; - if (Q.hasRestrict()) - qVal |= 0x4; - if(qVal) - Out << ((char) ('0' + qVal)); - - // Mangle in ObjC GC qualifiers? - - if (const PackExpansionType *Expansion = T->getAs<PackExpansionType>()) { - Out << 'P'; - T = Expansion->getPattern(); - } - - if (const BuiltinType *BT = T->getAs<BuiltinType>()) { - unsigned char c = '\0'; - switch (BT->getKind()) { - case BuiltinType::Void: - c = 'v'; break; - case BuiltinType::Bool: - c = 'b'; break; - case BuiltinType::Char_U: - case BuiltinType::UChar: - c = 'c'; break; - case BuiltinType::Char16: - c = 'q'; break; - case BuiltinType::Char32: - c = 'w'; break; - case BuiltinType::UShort: - c = 's'; break; - case BuiltinType::UInt: - c = 'i'; break; - case BuiltinType::ULong: - c = 'l'; break; - case BuiltinType::ULongLong: - c = 'k'; break; - case BuiltinType::UInt128: - c = 'j'; break; - case BuiltinType::Char_S: - case BuiltinType::SChar: - c = 'C'; break; - case BuiltinType::WChar_S: - case BuiltinType::WChar_U: - c = 'W'; break; - case BuiltinType::Short: - c = 'S'; break; - case BuiltinType::Int: - c = 'I'; break; - case BuiltinType::Long: - c = 'L'; break; - case BuiltinType::LongLong: - c = 'K'; break; - case BuiltinType::Int128: - c = 'J'; break; - case BuiltinType::Half: - c = 'h'; break; - case BuiltinType::Float: - c = 'f'; break; - case BuiltinType::Double: - c = 'd'; break; - case BuiltinType::LongDouble: - c = 'D'; break; - case BuiltinType::NullPtr: - c = 'n'; break; -#define BUILTIN_TYPE(Id, SingletonId) -#define PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id: -#include "clang/AST/BuiltinTypes.def" - case BuiltinType::Dependent: - case BuiltinType::OCLImage1d: - case BuiltinType::OCLImage1dArray: - case BuiltinType::OCLImage1dBuffer: - case BuiltinType::OCLImage2d: - case BuiltinType::OCLImage2dArray: - case BuiltinType::OCLImage3d: - case BuiltinType::OCLEvent: - case BuiltinType::OCLSampler: - IgnoreResults = true; - return; - case BuiltinType::ObjCId: - c = 'o'; break; - case BuiltinType::ObjCClass: - c = 'O'; break; - case BuiltinType::ObjCSel: - c = 'e'; break; - } - Out << c; - return; - } - - // If we have already seen this (non-built-in) type, use a substitution - // encoding. - llvm::DenseMap<const Type *, unsigned>::iterator Substitution - = TypeSubstitutions.find(T.getTypePtr()); - if (Substitution != TypeSubstitutions.end()) { - Out << 'S' << Substitution->second << '_'; - return; - } else { - // Record this as a substitution. - unsigned Number = TypeSubstitutions.size(); - TypeSubstitutions[T.getTypePtr()] = Number; - } - - if (const PointerType *PT = T->getAs<PointerType>()) { - Out << '*'; - T = PT->getPointeeType(); - continue; - } - if (const ReferenceType *RT = T->getAs<ReferenceType>()) { - Out << '&'; - T = RT->getPointeeType(); - continue; - } - if (const FunctionProtoType *FT = T->getAs<FunctionProtoType>()) { - Out << 'F'; - VisitType(FT->getResultType()); - for (FunctionProtoType::arg_type_iterator - I = FT->arg_type_begin(), E = FT->arg_type_end(); I!=E; ++I) { - VisitType(*I); - } - if (FT->isVariadic()) - Out << '.'; - return; - } - if (const BlockPointerType *BT = T->getAs<BlockPointerType>()) { - Out << 'B'; - T = BT->getPointeeType(); - continue; - } - if (const ComplexType *CT = T->getAs<ComplexType>()) { - Out << '<'; - T = CT->getElementType(); - continue; - } - if (const TagType *TT = T->getAs<TagType>()) { - Out << '$'; - VisitTagDecl(TT->getDecl()); - return; - } - if (const TemplateTypeParmType *TTP = T->getAs<TemplateTypeParmType>()) { - Out << 't' << TTP->getDepth() << '.' << TTP->getIndex(); - return; - } - if (const TemplateSpecializationType *Spec - = T->getAs<TemplateSpecializationType>()) { - Out << '>'; - VisitTemplateName(Spec->getTemplateName()); - Out << Spec->getNumArgs(); - for (unsigned I = 0, N = Spec->getNumArgs(); I != N; ++I) - VisitTemplateArgument(Spec->getArg(I)); - return; - } - - // Unhandled type. - Out << ' '; - break; - } while (true); -} - -void USRGenerator::VisitTemplateParameterList( - const TemplateParameterList *Params) { - if (!Params) - return; - Out << '>' << Params->size(); - for (TemplateParameterList::const_iterator P = Params->begin(), - PEnd = Params->end(); - P != PEnd; ++P) { - Out << '#'; - if (isa<TemplateTypeParmDecl>(*P)) { - if (cast<TemplateTypeParmDecl>(*P)->isParameterPack()) - Out<< 'p'; - Out << 'T'; - continue; - } - - if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { - if (NTTP->isParameterPack()) - Out << 'p'; - Out << 'N'; - VisitType(NTTP->getType()); - continue; - } - - TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); - if (TTP->isParameterPack()) - Out << 'p'; - Out << 't'; - VisitTemplateParameterList(TTP->getTemplateParameters()); - } -} - -void USRGenerator::VisitTemplateName(TemplateName Name) { - if (TemplateDecl *Template = Name.getAsTemplateDecl()) { - if (TemplateTemplateParmDecl *TTP - = dyn_cast<TemplateTemplateParmDecl>(Template)) { - Out << 't' << TTP->getDepth() << '.' << TTP->getIndex(); - return; - } - - Visit(Template); - return; - } - - // FIXME: Visit dependent template names. -} - -void USRGenerator::VisitTemplateArgument(const TemplateArgument &Arg) { - switch (Arg.getKind()) { - case TemplateArgument::Null: - break; - - case TemplateArgument::Declaration: - Visit(Arg.getAsDecl()); - break; - - case TemplateArgument::NullPtr: - break; - - case TemplateArgument::TemplateExpansion: - Out << 'P'; // pack expansion of... - // Fall through - case TemplateArgument::Template: - VisitTemplateName(Arg.getAsTemplateOrTemplatePattern()); - break; - - case TemplateArgument::Expression: - // FIXME: Visit expressions. - break; - - case TemplateArgument::Pack: - Out << 'p' << Arg.pack_size(); - for (TemplateArgument::pack_iterator P = Arg.pack_begin(), PEnd = Arg.pack_end(); - P != PEnd; ++P) - VisitTemplateArgument(*P); - break; - - case TemplateArgument::Type: - VisitType(Arg.getAsType()); - break; - - case TemplateArgument::Integral: - Out << 'V'; - VisitType(Arg.getIntegralType()); - Out << Arg.getAsIntegral(); - break; - } -} - -//===----------------------------------------------------------------------===// -// General purpose USR generation methods. -//===----------------------------------------------------------------------===// - -void USRGenerator::GenObjCClass(StringRef cls) { - Out << "objc(cs)" << cls; -} - -void USRGenerator::GenObjCCategory(StringRef cls, StringRef cat) { - Out << "objc(cy)" << cls << '@' << cat; -} - -void USRGenerator::GenObjCIvar(StringRef ivar) { - Out << '@' << ivar; -} - -void USRGenerator::GenObjCMethod(StringRef meth, bool isInstanceMethod) { - Out << (isInstanceMethod ? "(im)" : "(cm)") << meth; -} - -void USRGenerator::GenObjCProperty(StringRef prop) { - Out << "(py)" << prop; -} - -void USRGenerator::GenObjCProtocol(StringRef prot) { - Out << "objc(pl)" << prot; -} +using namespace clang::index; //===----------------------------------------------------------------------===// // API hooks. @@ -805,17 +31,7 @@ static inline StringRef extractUSRSuffix(StringRef s) { } bool cxcursor::getDeclCursorUSR(const Decl *D, SmallVectorImpl<char> &Buf) { - // Don't generate USRs for things with invalid locations. - if (!D || D->getLocStart().isInvalid()) - return true; - - USRGenerator UG(&D->getASTContext(), &Buf); - UG->Visit(D); - - if (UG->ignoreResults()) - return true; - - return false; + return generateUSRForDecl(D, Buf); } extern "C" { @@ -857,12 +73,10 @@ CXString clang_getCursorUSR(CXCursor C) { if (!buf) return cxstring::createEmpty(); - { - USRGenerator UG(&cxcursor::getCursorASTUnit(C)->getASTContext(), - &buf->Data); - UG << "macro@" - << cxcursor::getCursorMacroDefinition(C)->getName()->getNameStart(); - } + buf->Data += getUSRSpacePrefix(); + buf->Data += "macro@"; + buf->Data += + cxcursor::getCursorMacroDefinition(C)->getName()->getNameStart(); buf->Data.push_back('\0'); return createCXString(buf); } @@ -871,46 +85,52 @@ CXString clang_getCursorUSR(CXCursor C) { } CXString clang_constructUSR_ObjCIvar(const char *name, CXString classUSR) { - USRGenerator UG; - UG << extractUSRSuffix(clang_getCString(classUSR)); - UG->GenObjCIvar(name); - return cxstring::createDup(UG.str()); + SmallString<128> Buf(getUSRSpacePrefix()); + llvm::raw_svector_ostream OS(Buf); + OS << extractUSRSuffix(clang_getCString(classUSR)); + generateUSRForObjCIvar(name, OS); + return cxstring::createDup(OS.str()); } CXString clang_constructUSR_ObjCMethod(const char *name, unsigned isInstanceMethod, CXString classUSR) { - USRGenerator UG; - UG << extractUSRSuffix(clang_getCString(classUSR)); - UG->GenObjCMethod(name, isInstanceMethod); - return cxstring::createDup(UG.str()); + SmallString<128> Buf(getUSRSpacePrefix()); + llvm::raw_svector_ostream OS(Buf); + OS << extractUSRSuffix(clang_getCString(classUSR)); + generateUSRForObjCMethod(name, isInstanceMethod, OS); + return cxstring::createDup(OS.str()); } CXString clang_constructUSR_ObjCClass(const char *name) { - USRGenerator UG; - UG->GenObjCClass(name); - return cxstring::createDup(UG.str()); + SmallString<128> Buf(getUSRSpacePrefix()); + llvm::raw_svector_ostream OS(Buf); + generateUSRForObjCClass(name, OS); + return cxstring::createDup(OS.str()); } CXString clang_constructUSR_ObjCProtocol(const char *name) { - USRGenerator UG; - UG->GenObjCProtocol(name); - return cxstring::createDup(UG.str()); + SmallString<128> Buf(getUSRSpacePrefix()); + llvm::raw_svector_ostream OS(Buf); + generateUSRForObjCProtocol(name, OS); + return cxstring::createDup(OS.str()); } CXString clang_constructUSR_ObjCCategory(const char *class_name, const char *category_name) { - USRGenerator UG; - UG->GenObjCCategory(class_name, category_name); - return cxstring::createDup(UG.str()); + SmallString<128> Buf(getUSRSpacePrefix()); + llvm::raw_svector_ostream OS(Buf); + generateUSRForObjCCategory(class_name, category_name, OS); + return cxstring::createDup(OS.str()); } CXString clang_constructUSR_ObjCProperty(const char *property, CXString classUSR) { - USRGenerator UG; - UG << extractUSRSuffix(clang_getCString(classUSR)); - UG->GenObjCProperty(property); - return cxstring::createDup(UG.str()); + SmallString<128> Buf(getUSRSpacePrefix()); + llvm::raw_svector_ostream OS(Buf); + OS << extractUSRSuffix(clang_getCString(classUSR)); + generateUSRForObjCProperty(property, OS); + return cxstring::createDup(OS.str()); } } // end extern "C" |
