зеркало из https://github.com/microsoft/clang-1.git
373 строки
13 KiB
C++
373 строки
13 KiB
C++
//===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines routines for manipulating CXCursors. It should be the
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// only file that has internal knowledge of the encoding of the data in
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// CXCursor.
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//
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//===----------------------------------------------------------------------===//
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#include "CXCursor.h"
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#include "clang/Frontend/ASTUnit.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclObjC.h"
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#include "clang/AST/Expr.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace clang;
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CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K) {
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assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid);
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CXCursor C = { K, { 0, 0, 0 } };
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return C;
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}
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static CXCursorKind GetCursorKind(Decl *D) {
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assert(D && "Invalid arguments!");
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switch (D->getKind()) {
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case Decl::Enum: return CXCursor_EnumDecl;
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case Decl::EnumConstant: return CXCursor_EnumConstantDecl;
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case Decl::Field: return CXCursor_FieldDecl;
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case Decl::Function:
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return CXCursor_FunctionDecl;
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case Decl::ObjCCategory: return CXCursor_ObjCCategoryDecl;
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case Decl::ObjCCategoryImpl: return CXCursor_ObjCCategoryImplDecl;
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case Decl::ObjCClass:
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// FIXME
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return CXCursor_UnexposedDecl;
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case Decl::ObjCForwardProtocol:
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// FIXME
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return CXCursor_UnexposedDecl;
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case Decl::ObjCImplementation: return CXCursor_ObjCImplementationDecl;
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case Decl::ObjCInterface: return CXCursor_ObjCInterfaceDecl;
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case Decl::ObjCIvar: return CXCursor_ObjCIvarDecl;
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case Decl::ObjCMethod:
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return cast<ObjCMethodDecl>(D)->isInstanceMethod()
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? CXCursor_ObjCInstanceMethodDecl : CXCursor_ObjCClassMethodDecl;
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case Decl::CXXMethod: return CXCursor_CXXMethod;
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case Decl::ObjCProperty: return CXCursor_ObjCPropertyDecl;
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case Decl::ObjCProtocol: return CXCursor_ObjCProtocolDecl;
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case Decl::ParmVar: return CXCursor_ParmDecl;
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case Decl::Typedef: return CXCursor_TypedefDecl;
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case Decl::Var: return CXCursor_VarDecl;
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case Decl::Namespace: return CXCursor_Namespace;
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default:
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if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
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switch (TD->getTagKind()) {
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case TTK_Struct: return CXCursor_StructDecl;
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case TTK_Class: return CXCursor_ClassDecl;
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case TTK_Union: return CXCursor_UnionDecl;
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case TTK_Enum: return CXCursor_EnumDecl;
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}
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}
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return CXCursor_UnexposedDecl;
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}
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llvm_unreachable("Invalid Decl");
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return CXCursor_NotImplemented;
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}
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static CXCursorKind GetCursorKind(const Attr *A) {
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assert(A && "Invalid arguments!");
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switch (A->getKind()) {
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default: break;
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case Attr::IBActionKind: return CXCursor_IBActionAttr;
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case Attr::IBOutletKind: return CXCursor_IBOutletAttr;
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case Attr::IBOutletCollectionKind: return CXCursor_IBOutletCollectionAttr;
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}
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return CXCursor_UnexposedAttr;
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}
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CXCursor cxcursor::MakeCXCursor(const Attr *A, Decl *Parent, ASTUnit *TU) {
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assert(A && Parent && TU && "Invalid arguments!");
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CXCursor C = { GetCursorKind(A), { Parent, (void*)A, TU } };
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return C;
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}
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CXCursor cxcursor::MakeCXCursor(Decl *D, ASTUnit *TU) {
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assert(D && TU && "Invalid arguments!");
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CXCursor C = { GetCursorKind(D), { D, 0, TU } };
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return C;
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}
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CXCursor cxcursor::MakeCXCursor(Stmt *S, Decl *Parent, ASTUnit *TU) {
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assert(S && TU && "Invalid arguments!");
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CXCursorKind K = CXCursor_NotImplemented;
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switch (S->getStmtClass()) {
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case Stmt::NoStmtClass:
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break;
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case Stmt::NullStmtClass:
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case Stmt::CompoundStmtClass:
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case Stmt::CaseStmtClass:
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case Stmt::DefaultStmtClass:
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case Stmt::LabelStmtClass:
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case Stmt::IfStmtClass:
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case Stmt::SwitchStmtClass:
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case Stmt::WhileStmtClass:
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case Stmt::DoStmtClass:
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case Stmt::ForStmtClass:
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case Stmt::GotoStmtClass:
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case Stmt::IndirectGotoStmtClass:
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case Stmt::ContinueStmtClass:
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case Stmt::BreakStmtClass:
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case Stmt::ReturnStmtClass:
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case Stmt::DeclStmtClass:
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case Stmt::SwitchCaseClass:
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case Stmt::AsmStmtClass:
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case Stmt::ObjCAtTryStmtClass:
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case Stmt::ObjCAtCatchStmtClass:
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case Stmt::ObjCAtFinallyStmtClass:
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case Stmt::ObjCAtThrowStmtClass:
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case Stmt::ObjCAtSynchronizedStmtClass:
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case Stmt::ObjCForCollectionStmtClass:
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case Stmt::CXXCatchStmtClass:
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case Stmt::CXXTryStmtClass:
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K = CXCursor_UnexposedStmt;
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break;
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case Stmt::PredefinedExprClass:
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case Stmt::IntegerLiteralClass:
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case Stmt::FloatingLiteralClass:
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case Stmt::ImaginaryLiteralClass:
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case Stmt::StringLiteralClass:
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case Stmt::CharacterLiteralClass:
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case Stmt::ParenExprClass:
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case Stmt::UnaryOperatorClass:
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case Stmt::OffsetOfExprClass:
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case Stmt::SizeOfAlignOfExprClass:
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case Stmt::ArraySubscriptExprClass:
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case Stmt::BinaryOperatorClass:
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case Stmt::CompoundAssignOperatorClass:
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case Stmt::ConditionalOperatorClass:
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case Stmt::ImplicitCastExprClass:
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case Stmt::CStyleCastExprClass:
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case Stmt::CompoundLiteralExprClass:
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case Stmt::ExtVectorElementExprClass:
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case Stmt::InitListExprClass:
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case Stmt::DesignatedInitExprClass:
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case Stmt::ImplicitValueInitExprClass:
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case Stmt::ParenListExprClass:
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case Stmt::VAArgExprClass:
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case Stmt::AddrLabelExprClass:
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case Stmt::StmtExprClass:
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case Stmt::TypesCompatibleExprClass:
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case Stmt::ChooseExprClass:
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case Stmt::GNUNullExprClass:
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case Stmt::CXXStaticCastExprClass:
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case Stmt::CXXDynamicCastExprClass:
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case Stmt::CXXReinterpretCastExprClass:
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case Stmt::CXXConstCastExprClass:
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case Stmt::CXXFunctionalCastExprClass:
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case Stmt::CXXTypeidExprClass:
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case Stmt::CXXBoolLiteralExprClass:
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case Stmt::CXXNullPtrLiteralExprClass:
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case Stmt::CXXThisExprClass:
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case Stmt::CXXThrowExprClass:
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case Stmt::CXXDefaultArgExprClass:
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case Stmt::CXXZeroInitValueExprClass:
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case Stmt::CXXNewExprClass:
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case Stmt::CXXDeleteExprClass:
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case Stmt::CXXPseudoDestructorExprClass:
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case Stmt::UnresolvedLookupExprClass:
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case Stmt::UnaryTypeTraitExprClass:
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case Stmt::DependentScopeDeclRefExprClass:
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case Stmt::CXXBindTemporaryExprClass:
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case Stmt::CXXBindReferenceExprClass:
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case Stmt::CXXExprWithTemporariesClass:
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case Stmt::CXXUnresolvedConstructExprClass:
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case Stmt::CXXDependentScopeMemberExprClass:
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case Stmt::UnresolvedMemberExprClass:
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case Stmt::ObjCStringLiteralClass:
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case Stmt::ObjCEncodeExprClass:
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case Stmt::ObjCSelectorExprClass:
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case Stmt::ObjCProtocolExprClass:
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case Stmt::ObjCImplicitSetterGetterRefExprClass:
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case Stmt::ObjCSuperExprClass:
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case Stmt::ObjCIsaExprClass:
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case Stmt::ShuffleVectorExprClass:
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case Stmt::BlockExprClass:
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K = CXCursor_UnexposedExpr;
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break;
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case Stmt::DeclRefExprClass:
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case Stmt::BlockDeclRefExprClass:
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// FIXME: UnresolvedLookupExpr?
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// FIXME: DependentScopeDeclRefExpr?
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K = CXCursor_DeclRefExpr;
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break;
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case Stmt::MemberExprClass:
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case Stmt::ObjCIvarRefExprClass:
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case Stmt::ObjCPropertyRefExprClass:
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// FIXME: UnresolvedMemberExpr?
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// FIXME: CXXDependentScopeMemberExpr?
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K = CXCursor_MemberRefExpr;
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break;
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case Stmt::CallExprClass:
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case Stmt::CXXOperatorCallExprClass:
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case Stmt::CXXMemberCallExprClass:
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case Stmt::CXXConstructExprClass:
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case Stmt::CXXTemporaryObjectExprClass:
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// FIXME: CXXUnresolvedConstructExpr
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// FIXME: ObjCImplicitSetterGetterRefExpr?
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K = CXCursor_CallExpr;
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break;
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case Stmt::ObjCMessageExprClass:
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K = CXCursor_ObjCMessageExpr;
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break;
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}
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CXCursor C = { K, { Parent, S, TU } };
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return C;
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}
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CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super,
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SourceLocation Loc,
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ASTUnit *TU) {
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assert(Super && TU && "Invalid arguments!");
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void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
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CXCursor C = { CXCursor_ObjCSuperClassRef, { Super, RawLoc, TU } };
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return C;
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}
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std::pair<ObjCInterfaceDecl *, SourceLocation>
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cxcursor::getCursorObjCSuperClassRef(CXCursor C) {
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assert(C.kind == CXCursor_ObjCSuperClassRef);
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return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]),
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SourceLocation::getFromRawEncoding(
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reinterpret_cast<uintptr_t>(C.data[1])));
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}
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CXCursor cxcursor::MakeCursorObjCProtocolRef(ObjCProtocolDecl *Super,
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SourceLocation Loc,
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ASTUnit *TU) {
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assert(Super && TU && "Invalid arguments!");
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void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
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CXCursor C = { CXCursor_ObjCProtocolRef, { Super, RawLoc, TU } };
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return C;
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}
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std::pair<ObjCProtocolDecl *, SourceLocation>
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cxcursor::getCursorObjCProtocolRef(CXCursor C) {
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assert(C.kind == CXCursor_ObjCProtocolRef);
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return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]),
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SourceLocation::getFromRawEncoding(
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reinterpret_cast<uintptr_t>(C.data[1])));
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}
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CXCursor cxcursor::MakeCursorObjCClassRef(ObjCInterfaceDecl *Class,
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SourceLocation Loc,
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ASTUnit *TU) {
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// 'Class' can be null for invalid code.
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if (!Class)
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return MakeCXCursorInvalid(CXCursor_InvalidCode);
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assert(TU && "Invalid arguments!");
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void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
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CXCursor C = { CXCursor_ObjCClassRef, { Class, RawLoc, TU } };
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return C;
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}
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std::pair<ObjCInterfaceDecl *, SourceLocation>
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cxcursor::getCursorObjCClassRef(CXCursor C) {
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assert(C.kind == CXCursor_ObjCClassRef);
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return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]),
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SourceLocation::getFromRawEncoding(
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reinterpret_cast<uintptr_t>(C.data[1])));
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}
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CXCursor cxcursor::MakeCursorTypeRef(TypeDecl *Type, SourceLocation Loc,
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ASTUnit *TU) {
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assert(Type && TU && "Invalid arguments!");
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void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
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CXCursor C = { CXCursor_TypeRef, { Type, RawLoc, TU } };
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return C;
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}
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std::pair<TypeDecl *, SourceLocation>
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cxcursor::getCursorTypeRef(CXCursor C) {
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assert(C.kind == CXCursor_TypeRef);
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return std::make_pair(static_cast<TypeDecl *>(C.data[0]),
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SourceLocation::getFromRawEncoding(
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reinterpret_cast<uintptr_t>(C.data[1])));
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}
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CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range,
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ASTUnit *TU) {
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CXCursor C = { CXCursor_PreprocessingDirective,
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{ reinterpret_cast<void *>(Range.getBegin().getRawEncoding()),
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reinterpret_cast<void *>(Range.getEnd().getRawEncoding()),
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TU }
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};
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return C;
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}
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SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) {
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assert(C.kind == CXCursor_PreprocessingDirective);
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return SourceRange(SourceLocation::getFromRawEncoding(
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reinterpret_cast<uintptr_t> (C.data[0])),
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SourceLocation::getFromRawEncoding(
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reinterpret_cast<uintptr_t> (C.data[1])));
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}
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CXCursor cxcursor::MakeMacroDefinitionCursor(MacroDefinition *MI, ASTUnit *TU) {
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CXCursor C = { CXCursor_MacroDefinition, { MI, 0, TU } };
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return C;
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}
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MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) {
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assert(C.kind == CXCursor_MacroDefinition);
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return static_cast<MacroDefinition *>(C.data[0]);
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}
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CXCursor cxcursor::MakeMacroInstantiationCursor(MacroInstantiation *MI,
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ASTUnit *TU) {
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CXCursor C = { CXCursor_MacroInstantiation, { MI, 0, TU } };
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return C;
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}
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MacroInstantiation *cxcursor::getCursorMacroInstantiation(CXCursor C) {
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assert(C.kind == CXCursor_MacroInstantiation);
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return static_cast<MacroInstantiation *>(C.data[0]);
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}
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Decl *cxcursor::getCursorDecl(CXCursor Cursor) {
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return (Decl *)Cursor.data[0];
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}
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Expr *cxcursor::getCursorExpr(CXCursor Cursor) {
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return dyn_cast_or_null<Expr>(getCursorStmt(Cursor));
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}
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Stmt *cxcursor::getCursorStmt(CXCursor Cursor) {
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if (Cursor.kind == CXCursor_ObjCSuperClassRef ||
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Cursor.kind == CXCursor_ObjCProtocolRef ||
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Cursor.kind == CXCursor_ObjCClassRef)
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return 0;
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return (Stmt *)Cursor.data[1];
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}
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ASTContext &cxcursor::getCursorContext(CXCursor Cursor) {
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return getCursorASTUnit(Cursor)->getASTContext();
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}
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ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) {
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return static_cast<ASTUnit *>(Cursor.data[2]);
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}
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bool cxcursor::operator==(CXCursor X, CXCursor Y) {
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return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] &&
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X.data[2] == Y.data[2];
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}
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