| //===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the Clang-C Source Indexing library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang-c/Index.h" |
| #include "clang/Index/Program.h" |
| #include "clang/Index/Indexer.h" |
| #include "clang/AST/DeclVisitor.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/SourceManager.h" |
| #include "clang/Frontend/ASTUnit.h" |
| #include <cstdio> |
| using namespace clang; |
| using namespace idx; |
| |
| namespace { |
| |
| // Translation Unit Visitor. |
| class TUVisitor : public DeclVisitor<TUVisitor> { |
| CXTranslationUnit TUnit; |
| CXTranslationUnitIterator Callback; |
| public: |
| TUVisitor(CXTranslationUnit CTU, CXTranslationUnitIterator cback) : |
| TUnit(CTU), Callback(cback) {} |
| |
| void VisitTranslationUnitDecl(TranslationUnitDecl *D) { |
| VisitDeclContext(dyn_cast<DeclContext>(D)); |
| } |
| void VisitDeclContext(DeclContext *DC) { |
| for (DeclContext::decl_iterator |
| I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I) |
| Visit(*I); |
| } |
| void VisitTypedefDecl(TypedefDecl *ND) { |
| CXCursor C = { CXCursor_TypedefDecl, ND }; |
| Callback(TUnit, C); |
| } |
| void VisitTagDecl(TagDecl *ND) { |
| CXCursor C = { ND->isEnum() ? CXCursor_EnumDecl : CXCursor_RecordDecl, ND }; |
| Callback(TUnit, C); |
| } |
| void VisitFunctionDecl(FunctionDecl *ND) { |
| CXCursor C = { CXCursor_FunctionDecl, ND }; |
| Callback(TUnit, C); |
| } |
| void VisitObjCInterfaceDecl(ObjCInterfaceDecl *ND) { |
| CXCursor C = { CXCursor_ObjCInterfaceDecl, ND }; |
| Callback(TUnit, C); |
| } |
| void VisitObjCCategoryDecl(ObjCCategoryDecl *ND) { |
| CXCursor C = { CXCursor_ObjCCategoryDecl, ND }; |
| Callback(TUnit, C); |
| } |
| void VisitObjCProtocolDecl(ObjCProtocolDecl *ND) { |
| CXCursor C = { CXCursor_ObjCProtocolDecl, ND }; |
| Callback(TUnit, C); |
| } |
| }; |
| |
| // Top-level declaration visitor. |
| class TLDeclVisitor : public DeclVisitor<TLDeclVisitor> { |
| public: |
| void VisitDeclContext(DeclContext *DC) { |
| for (DeclContext::decl_iterator |
| I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I) |
| Visit(*I); |
| } |
| void VisitEnumConstantDecl(EnumConstantDecl *ND) { |
| } |
| void VisitFieldDecl(FieldDecl *ND) { |
| } |
| void VisitObjCIvarDecl(ObjCIvarDecl *ND) { |
| } |
| }; |
| |
| } |
| |
| extern "C" { |
| |
| CXIndex clang_createIndex() |
| { |
| return new Indexer(*new Program(), *new FileManager()); |
| } |
| |
| // FIXME: need to pass back error info. |
| CXTranslationUnit clang_createTranslationUnit( |
| CXIndex CIdx, const char *ast_filename) |
| { |
| assert(CIdx && "Passed null CXIndex"); |
| Indexer *CXXIdx = static_cast<Indexer *>(CIdx); |
| std::string astName(ast_filename); |
| std::string ErrMsg; |
| |
| return ASTUnit::LoadFromPCHFile(astName, CXXIdx->getFileManager(), &ErrMsg); |
| } |
| |
| |
| void clang_loadTranslationUnit( |
| CXTranslationUnit CTUnit, CXTranslationUnitIterator callback) |
| { |
| assert(CTUnit && "Passed null CXTranslationUnit"); |
| ASTUnit *CXXUnit = static_cast<ASTUnit *>(CTUnit); |
| ASTContext &Ctx = CXXUnit->getASTContext(); |
| |
| TUVisitor DVisit(CTUnit, callback); |
| DVisit.Visit(Ctx.getTranslationUnitDecl()); |
| } |
| |
| void clang_loadDeclaration(CXDecl, CXDeclIterator) |
| { |
| } |
| |
| // Some notes on CXEntity: |
| // |
| // - Since the 'ordinary' namespace includes functions, data, typedefs, |
| // ObjC interfaces, thecurrent algorithm is a bit naive (resulting in one |
| // entity for 2 different types). For example: |
| // |
| // module1.m: @interface Foo @end Foo *x; |
| // module2.m: void Foo(int); |
| // |
| // - Since the unique name spans translation units, static data/functions |
| // within a CXTranslationUnit are *not* currently represented by entities. |
| // As a result, there will be no entity for the following: |
| // |
| // module.m: static void Foo() { } |
| // |
| |
| |
| const char *clang_getDeclarationName(CXEntity) |
| { |
| return ""; |
| } |
| const char *clang_getURI(CXEntity) |
| { |
| return ""; |
| } |
| |
| CXEntity clang_getEntity(const char *URI) |
| { |
| return 0; |
| } |
| |
| // |
| // CXDecl Operations. |
| // |
| CXCursor clang_getCursorFromDecl(CXDecl) |
| { |
| return CXCursor(); |
| } |
| CXEntity clang_getEntityFromDecl(CXDecl) |
| { |
| return 0; |
| } |
| const char *clang_getDeclSpelling(CXDecl AnonDecl) |
| { |
| assert(AnonDecl && "Passed null CXDecl"); |
| NamedDecl *ND = static_cast<NamedDecl *>(AnonDecl); |
| if (ND->getIdentifier()) |
| return ND->getIdentifier()->getName(); |
| else |
| return ""; |
| } |
| const char *clang_getKindSpelling(enum CXCursorKind Kind) |
| { |
| switch (Kind) { |
| case CXCursor_FunctionDecl: return "FunctionDecl"; |
| case CXCursor_TypedefDecl: return "TypedefDecl"; |
| case CXCursor_EnumDecl: return "EnumDecl"; |
| case CXCursor_EnumConstantDecl: return "EnumConstantDecl"; |
| case CXCursor_RecordDecl: return "RecordDecl"; |
| case CXCursor_FieldDecl: return "FieldDecl"; |
| case CXCursor_VarDecl: return "VarDecl"; |
| case CXCursor_ParmDecl: return "ParmDecl"; |
| case CXCursor_ObjCInterfaceDecl: return "ObjCInterfaceDecl"; |
| case CXCursor_ObjCCategoryDecl: return "ObjCCategoryDecl"; |
| case CXCursor_ObjCProtocolDecl: return "ObjCProtocolDecl"; |
| case CXCursor_ObjCPropertyDecl: return "ObjCPropertyDecl"; |
| case CXCursor_ObjCIvarDecl: return "ObjCIvarDecl"; |
| case CXCursor_ObjCMethodDecl: return "ObjCMethodDecl"; |
| default: return "<not implemented>"; |
| } |
| } |
| |
| // |
| // CXCursor Operations. |
| // |
| CXCursor clang_getCursor(CXTranslationUnit, const char *source_name, |
| unsigned line, unsigned column) |
| { |
| return CXCursor(); |
| } |
| |
| CXCursorKind clang_getCursorKind(CXCursor) |
| { |
| return CXCursor_Invalid; |
| } |
| |
| unsigned clang_isDeclaration(enum CXCursorKind K) |
| { |
| return K >= CXCursor_FirstDecl && K <= CXCursor_LastDecl; |
| } |
| |
| unsigned clang_getCursorLine(CXCursor C) |
| { |
| assert(C.decl && "CXCursor has null decl"); |
| NamedDecl *ND = static_cast<NamedDecl *>(C.decl); |
| SourceLocation SLoc = ND->getLocation(); |
| if (SLoc.isInvalid()) |
| return 0; |
| SourceManager &SourceMgr = ND->getASTContext().getSourceManager(); |
| SLoc = SourceMgr.getSpellingLoc(SLoc); // handles macro instantiations. |
| return SourceMgr.getSpellingLineNumber(SLoc); |
| } |
| unsigned clang_getCursorColumn(CXCursor C) |
| { |
| assert(C.decl && "CXCursor has null decl"); |
| NamedDecl *ND = static_cast<NamedDecl *>(C.decl); |
| SourceLocation SLoc = ND->getLocation(); |
| if (SLoc.isInvalid()) |
| return 0; |
| SourceManager &SourceMgr = ND->getASTContext().getSourceManager(); |
| SLoc = SourceMgr.getSpellingLoc(SLoc); // handles macro instantiations. |
| return SourceMgr.getSpellingColumnNumber(SLoc); |
| } |
| const char *clang_getCursorSource(CXCursor C) |
| { |
| assert(C.decl && "CXCursor has null decl"); |
| NamedDecl *ND = static_cast<NamedDecl *>(C.decl); |
| SourceLocation SLoc = ND->getLocation(); |
| if (SLoc.isInvalid()) |
| return "<invalid source location>"; |
| SourceManager &SourceMgr = ND->getASTContext().getSourceManager(); |
| SLoc = SourceMgr.getSpellingLoc(SLoc); // handles macro instantiations. |
| return SourceMgr.getBufferName(SLoc); |
| } |
| |
| // If CXCursorKind == Cursor_Reference, then this will return the referenced declaration. |
| // If CXCursorKind == Cursor_Declaration, then this will return the declaration. |
| CXDecl clang_getCursorDecl(CXCursor) |
| { |
| return 0; |
| } |
| |
| } // end extern "C" |