blob: ec1477eb8a275586cc740ced0a35380c1c541e32 [file] [log] [blame]
//===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines routines for manipulating CXCursors. It should be the
// only file that has internal knowledge of the encoding of the data in
// CXCursor.
//
//===----------------------------------------------------------------------===//
#include "CXCursor.h"
#include "clang/Frontend/ASTUnit.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/Expr.h"
#include "llvm/Support/ErrorHandling.h"
using namespace clang;
CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K) {
assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid);
CXCursor C = { K, { 0, 0, 0 } };
return C;
}
static CXCursorKind GetCursorKind(Decl *D) {
assert(D && "Invalid arguments!");
switch (D->getKind()) {
case Decl::Enum: return CXCursor_EnumDecl;
case Decl::EnumConstant: return CXCursor_EnumConstantDecl;
case Decl::Field: return CXCursor_FieldDecl;
case Decl::Function:
return CXCursor_FunctionDecl;
case Decl::ObjCCategory: return CXCursor_ObjCCategoryDecl;
case Decl::ObjCCategoryImpl: return CXCursor_ObjCCategoryImplDecl;
case Decl::ObjCClass:
// FIXME
return CXCursor_UnexposedDecl;
case Decl::ObjCForwardProtocol:
// FIXME
return CXCursor_UnexposedDecl;
case Decl::ObjCImplementation: return CXCursor_ObjCImplementationDecl;
case Decl::ObjCInterface: return CXCursor_ObjCInterfaceDecl;
case Decl::ObjCIvar: return CXCursor_ObjCIvarDecl;
case Decl::ObjCMethod:
return cast<ObjCMethodDecl>(D)->isInstanceMethod()
? CXCursor_ObjCInstanceMethodDecl : CXCursor_ObjCClassMethodDecl;
case Decl::ObjCProperty: return CXCursor_ObjCPropertyDecl;
case Decl::ObjCProtocol: return CXCursor_ObjCProtocolDecl;
case Decl::ParmVar: return CXCursor_ParmDecl;
case Decl::Typedef: return CXCursor_TypedefDecl;
case Decl::Var: return CXCursor_VarDecl;
default:
if (TagDecl *TD = dyn_cast<TagDecl>(D)) {
switch (TD->getTagKind()) {
case TagDecl::TK_struct: return CXCursor_StructDecl;
case TagDecl::TK_class: return CXCursor_ClassDecl;
case TagDecl::TK_union: return CXCursor_UnionDecl;
case TagDecl::TK_enum: return CXCursor_EnumDecl;
}
}
return CXCursor_UnexposedDecl;
}
llvm_unreachable("Invalid Decl");
return CXCursor_NotImplemented;
}
CXCursor cxcursor::MakeCXCursor(Decl *D, ASTUnit *TU) {
assert(D && TU && "Invalid arguments!");
CXCursor C = { GetCursorKind(D), { D, 0, TU } };
return C;
}
CXCursor cxcursor::MakeCXCursor(Stmt *S, Decl *Parent, ASTUnit *TU) {
assert(S && TU && "Invalid arguments!");
CXCursorKind K = CXCursor_NotImplemented;
switch (S->getStmtClass()) {
case Stmt::NoStmtClass:
break;
case Stmt::NullStmtClass:
case Stmt::CompoundStmtClass:
case Stmt::CaseStmtClass:
case Stmt::DefaultStmtClass:
case Stmt::LabelStmtClass:
case Stmt::IfStmtClass:
case Stmt::SwitchStmtClass:
case Stmt::WhileStmtClass:
case Stmt::DoStmtClass:
case Stmt::ForStmtClass:
case Stmt::GotoStmtClass:
case Stmt::IndirectGotoStmtClass:
case Stmt::ContinueStmtClass:
case Stmt::BreakStmtClass:
case Stmt::ReturnStmtClass:
case Stmt::DeclStmtClass:
case Stmt::SwitchCaseClass:
case Stmt::AsmStmtClass:
case Stmt::ObjCAtTryStmtClass:
case Stmt::ObjCAtCatchStmtClass:
case Stmt::ObjCAtFinallyStmtClass:
case Stmt::ObjCAtThrowStmtClass:
case Stmt::ObjCAtSynchronizedStmtClass:
case Stmt::ObjCForCollectionStmtClass:
case Stmt::CXXCatchStmtClass:
case Stmt::CXXTryStmtClass:
K = CXCursor_UnexposedStmt;
break;
case Stmt::PredefinedExprClass:
case Stmt::IntegerLiteralClass:
case Stmt::FloatingLiteralClass:
case Stmt::ImaginaryLiteralClass:
case Stmt::StringLiteralClass:
case Stmt::CharacterLiteralClass:
case Stmt::ParenExprClass:
case Stmt::UnaryOperatorClass:
case Stmt::SizeOfAlignOfExprClass:
case Stmt::ArraySubscriptExprClass:
case Stmt::BinaryOperatorClass:
case Stmt::CompoundAssignOperatorClass:
case Stmt::ConditionalOperatorClass:
case Stmt::ImplicitCastExprClass:
case Stmt::CStyleCastExprClass:
case Stmt::CompoundLiteralExprClass:
case Stmt::ExtVectorElementExprClass:
case Stmt::InitListExprClass:
case Stmt::DesignatedInitExprClass:
case Stmt::ImplicitValueInitExprClass:
case Stmt::ParenListExprClass:
case Stmt::VAArgExprClass:
case Stmt::AddrLabelExprClass:
case Stmt::StmtExprClass:
case Stmt::TypesCompatibleExprClass:
case Stmt::ChooseExprClass:
case Stmt::GNUNullExprClass:
case Stmt::CXXNamedCastExprClass:
case Stmt::CXXStaticCastExprClass:
case Stmt::CXXDynamicCastExprClass:
case Stmt::CXXReinterpretCastExprClass:
case Stmt::CXXConstCastExprClass:
case Stmt::CXXFunctionalCastExprClass:
case Stmt::CXXTypeidExprClass:
case Stmt::CXXBoolLiteralExprClass:
case Stmt::CXXNullPtrLiteralExprClass:
case Stmt::CXXThisExprClass:
case Stmt::CXXThrowExprClass:
case Stmt::CXXDefaultArgExprClass:
case Stmt::CXXZeroInitValueExprClass:
case Stmt::CXXNewExprClass:
case Stmt::CXXDeleteExprClass:
case Stmt::CXXPseudoDestructorExprClass:
case Stmt::UnresolvedLookupExprClass:
case Stmt::UnaryTypeTraitExprClass:
case Stmt::DependentScopeDeclRefExprClass:
case Stmt::CXXBindTemporaryExprClass:
case Stmt::CXXBindReferenceExprClass:
case Stmt::CXXExprWithTemporariesClass:
case Stmt::CXXUnresolvedConstructExprClass:
case Stmt::CXXDependentScopeMemberExprClass:
case Stmt::UnresolvedMemberExprClass:
case Stmt::ObjCStringLiteralClass:
case Stmt::ObjCEncodeExprClass:
case Stmt::ObjCSelectorExprClass:
case Stmt::ObjCProtocolExprClass:
case Stmt::ObjCImplicitSetterGetterRefExprClass:
case Stmt::ObjCSuperExprClass:
case Stmt::ObjCIsaExprClass:
case Stmt::ShuffleVectorExprClass:
case Stmt::BlockExprClass:
K = CXCursor_UnexposedExpr;
break;
case Stmt::DeclRefExprClass:
case Stmt::BlockDeclRefExprClass:
// FIXME: UnresolvedLookupExpr?
// FIXME: DependentScopeDeclRefExpr?
K = CXCursor_DeclRefExpr;
break;
case Stmt::MemberExprClass:
case Stmt::ObjCIvarRefExprClass:
case Stmt::ObjCPropertyRefExprClass:
// FIXME: UnresolvedMemberExpr?
// FIXME: CXXDependentScopeMemberExpr?
K = CXCursor_MemberRefExpr;
break;
case Stmt::CallExprClass:
case Stmt::CXXOperatorCallExprClass:
case Stmt::CXXMemberCallExprClass:
case Stmt::CXXConstructExprClass:
case Stmt::CXXTemporaryObjectExprClass:
// FIXME: CXXUnresolvedConstructExpr
// FIXME: ObjCImplicitSetterGetterRefExpr?
K = CXCursor_CallExpr;
break;
case Stmt::ObjCMessageExprClass:
K = CXCursor_ObjCMessageExpr;
break;
}
CXCursor C = { K, { Parent, S, TU } };
return C;
}
CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super,
SourceLocation Loc,
ASTUnit *TU) {
assert(Super && TU && "Invalid arguments!");
void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
CXCursor C = { CXCursor_ObjCSuperClassRef, { Super, RawLoc, TU } };
return C;
}
std::pair<ObjCInterfaceDecl *, SourceLocation>
cxcursor::getCursorObjCSuperClassRef(CXCursor C) {
assert(C.kind == CXCursor_ObjCSuperClassRef);
return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]),
SourceLocation::getFromRawEncoding(
reinterpret_cast<uintptr_t>(C.data[1])));
}
CXCursor cxcursor::MakeCursorObjCProtocolRef(ObjCProtocolDecl *Super,
SourceLocation Loc,
ASTUnit *TU) {
assert(Super && TU && "Invalid arguments!");
void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
CXCursor C = { CXCursor_ObjCProtocolRef, { Super, RawLoc, TU } };
return C;
}
std::pair<ObjCProtocolDecl *, SourceLocation>
cxcursor::getCursorObjCProtocolRef(CXCursor C) {
assert(C.kind == CXCursor_ObjCProtocolRef);
return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]),
SourceLocation::getFromRawEncoding(
reinterpret_cast<uintptr_t>(C.data[1])));
}
CXCursor cxcursor::MakeCursorObjCClassRef(ObjCInterfaceDecl *Class,
SourceLocation Loc,
ASTUnit *TU) {
assert(Class && TU && "Invalid arguments!");
void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
CXCursor C = { CXCursor_ObjCClassRef, { Class, RawLoc, TU } };
return C;
}
std::pair<ObjCInterfaceDecl *, SourceLocation>
cxcursor::getCursorObjCClassRef(CXCursor C) {
assert(C.kind == CXCursor_ObjCClassRef);
return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]),
SourceLocation::getFromRawEncoding(
reinterpret_cast<uintptr_t>(C.data[1])));
}
CXCursor cxcursor::MakeCursorTypeRef(TypeDecl *Type, SourceLocation Loc,
ASTUnit *TU) {
assert(Type && TU && "Invalid arguments!");
void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding());
CXCursor C = { CXCursor_TypeRef, { Type, RawLoc, TU } };
return C;
}
std::pair<TypeDecl *, SourceLocation>
cxcursor::getCursorTypeRef(CXCursor C) {
assert(C.kind == CXCursor_TypeRef);
return std::make_pair(static_cast<TypeDecl *>(C.data[0]),
SourceLocation::getFromRawEncoding(
reinterpret_cast<uintptr_t>(C.data[1])));
}
Decl *cxcursor::getCursorDecl(CXCursor Cursor) {
return (Decl *)Cursor.data[0];
}
Expr *cxcursor::getCursorExpr(CXCursor Cursor) {
return dyn_cast_or_null<Expr>(getCursorStmt(Cursor));
}
Stmt *cxcursor::getCursorStmt(CXCursor Cursor) {
if (Cursor.kind == CXCursor_ObjCSuperClassRef ||
Cursor.kind == CXCursor_ObjCProtocolRef ||
Cursor.kind == CXCursor_ObjCClassRef)
return 0;
return (Stmt *)Cursor.data[1];
}
ASTContext &cxcursor::getCursorContext(CXCursor Cursor) {
return getCursorASTUnit(Cursor)->getASTContext();
}
ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) {
return static_cast<ASTUnit *>(Cursor.data[2]);
}
bool cxcursor::operator==(CXCursor X, CXCursor Y) {
return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] &&
X.data[2] == Y.data[2];
}