mirror of
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538 lines
15 KiB
C++
538 lines
15 KiB
C++
//===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===//
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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 implements the Stmt::Profile method, which builds a unique bit
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// representation that identifiers a statement/expression.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/Expr.h"
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#include "clang/AST/ExprCXX.h"
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#include "clang/AST/ExprObjC.h"
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#include "clang/AST/StmtVisitor.h"
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#include "llvm/ADT/FoldingSet.h"
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#include "llvm/Support/Compiler.h"
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using namespace clang;
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namespace {
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class VISIBILITY_HIDDEN StmtProfiler : public StmtVisitor<StmtProfiler> {
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llvm::FoldingSetNodeID &ID;
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ASTContext &Context;
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bool Canonical;
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public:
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StmtProfiler(llvm::FoldingSetNodeID &ID, ASTContext &Context,
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bool Canonical)
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: ID(ID), Context(Context), Canonical(Canonical) { }
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// FIXME: Use StmtNodes.def to declare all VisitXXX functions
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void VisitStmt(Stmt *S);
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void VisitExpr(Expr *S);
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void VisitDeclRefExpr(DeclRefExpr *S);
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void VisitPredefinedExpr(PredefinedExpr *S);
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void VisitIntegerLiteral(IntegerLiteral *S);
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void VisitCharacterLiteral(CharacterLiteral *S);
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void VisitFloatingLiteral(FloatingLiteral *S);
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void VisitImaginaryLiteral(ImaginaryLiteral *S);
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void VisitStringLiteral(StringLiteral *S);
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void VisitParenExpr(ParenExpr *S);
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void VisitUnaryOperator(UnaryOperator *S);
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void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *S);
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void VisitArraySubscriptExpr(ArraySubscriptExpr *S);
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void VisitCallExpr(CallExpr *S);
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void VisitMemberExpr(MemberExpr *S);
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void VisitCompoundLiteralExpr(CompoundLiteralExpr *S);
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void VisitCastExpr(CastExpr *S);
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void VisitImplicitCastExpr(ImplicitCastExpr *S);
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void VisitExplicitCastExpr(ExplicitCastExpr *S);
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void VisitCStyleCastExpr(CStyleCastExpr *S);
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void VisitBinaryOperator(BinaryOperator *S);
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void VisitCompoundAssignOperator(CompoundAssignOperator *S);
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void VisitConditionalOperator(ConditionalOperator *S);
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void VisitAddrLabelExpr(AddrLabelExpr *S);
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void VisitStmtExpr(StmtExpr *S);
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void VisitTypesCompatibleExpr(TypesCompatibleExpr *S);
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void VisitShuffleVectorExpr(ShuffleVectorExpr *S);
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void VisitChooseExpr(ChooseExpr *S);
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void VisitGNUNullExpr(GNUNullExpr *S);
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void VisitInitListExpr(InitListExpr *S);
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void VisitDesignatedInitExpr(DesignatedInitExpr *S);
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void VisitImplicitValueInitExpr(ImplicitValueInitExpr *S);
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void VisitExtVectorElementExpr(ExtVectorElementExpr *S);
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void VisitBlockExpr(BlockExpr *S);
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void VisitBlockDeclRefExpr(BlockDeclRefExpr *S);
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void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *S);
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void VisitCXXMemberCallExpr(CXXMemberCallExpr *S);
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void VisitCXXNamedCastExpr(CXXNamedCastExpr *S);
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void VisitCXXStaticCastExpr(CXXStaticCastExpr *S);
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void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S);
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void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S);
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void VisitCXXConstCastExpr(CXXConstCastExpr *S);
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void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S);
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void VisitCXXTypeidExpr(CXXTypeidExpr *S);
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void VisitCXXThisExpr(CXXThisExpr *S);
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void VisitCXXThrowExpr(CXXThrowExpr *S);
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void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S);
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void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S);
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void VisitCXXConstructExpr(CXXConstructExpr *S);
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void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S);
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void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S);
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void VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *S);
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void VisitCXXConditionDeclExpr(CXXConditionDeclExpr *S);
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void VisitCXXNewExpr(CXXNewExpr *S);
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void VisitCXXDeleteExpr(CXXDeleteExpr *S);
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void VisitUnresolvedFunctionNameExpr(UnresolvedFunctionNameExpr *S);
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void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S);
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void VisitQualifiedDeclRefExpr(QualifiedDeclRefExpr *S);
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void VisitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *S);
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void VisitTemplateIdRefExpr(TemplateIdRefExpr *S);
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// FIXME: pick up at CXXExprWithTemporaries, handle Objective-C expressions
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/// \brief Visit a declaration that is referenced within an expression
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/// or statement.
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void VisitDecl(Decl *D);
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/// \brief Visit a type that is referenced within an expression or
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/// statement.
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void VisitType(QualType T);
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/// \brief Visit a name that occurs within an expression or statement.
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void VisitName(DeclarationName Name);
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/// \brief Visit a nested-name-specifier that occurs within an expression
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/// or statement.
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void VisitNestedNameSpecifier(NestedNameSpecifier *NNS);
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/// \brief Visit a template name that occurs within an expression or
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/// statement.
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void VisitTemplateName(TemplateName Name);
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/// \brief Visit template arguments that occur within an expression or
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/// statement.
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void VisitTemplateArguments(const TemplateArgument *Args, unsigned NumArgs);
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};
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}
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void StmtProfiler::VisitStmt(Stmt *S) {
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ID.AddInteger(S->getStmtClass());
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for (Stmt::child_iterator C = S->child_begin(), CEnd = S->child_end();
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C != CEnd; ++C)
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Visit(*C);
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}
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void StmtProfiler::VisitExpr(Expr *S) {
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VisitStmt(S);
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}
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void StmtProfiler::VisitDeclRefExpr(DeclRefExpr *S) {
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VisitExpr(S);
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VisitDecl(S->getDecl());
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}
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void StmtProfiler::VisitPredefinedExpr(PredefinedExpr *S) {
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VisitExpr(S);
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ID.AddInteger(S->getIdentType());
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}
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void StmtProfiler::VisitIntegerLiteral(IntegerLiteral *S) {
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VisitExpr(S);
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S->getValue().Profile(ID);
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}
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void StmtProfiler::VisitCharacterLiteral(CharacterLiteral *S) {
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VisitExpr(S);
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ID.AddBoolean(S->isWide());
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ID.AddInteger(S->getValue());
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}
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void StmtProfiler::VisitFloatingLiteral(FloatingLiteral *S) {
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VisitExpr(S);
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S->getValue().Profile(ID);
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ID.AddBoolean(S->isExact());
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}
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void StmtProfiler::VisitImaginaryLiteral(ImaginaryLiteral *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitStringLiteral(StringLiteral *S) {
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VisitExpr(S);
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ID.AddString(S->getStrData(), S->getStrData() + S->getByteLength());
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ID.AddBoolean(S->isWide());
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}
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void StmtProfiler::VisitParenExpr(ParenExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) {
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VisitExpr(S);
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ID.AddInteger(S->getOpcode());
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}
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void StmtProfiler::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *S) {
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VisitExpr(S);
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ID.AddBoolean(S->isSizeOf());
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if (S->isArgumentType())
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VisitType(S->getArgumentType());
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}
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void StmtProfiler::VisitArraySubscriptExpr(ArraySubscriptExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitCallExpr(CallExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitMemberExpr(MemberExpr *S) {
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VisitExpr(S);
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VisitDecl(S->getMemberDecl());
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ID.AddBoolean(S->isArrow());
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}
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void StmtProfiler::VisitCompoundLiteralExpr(CompoundLiteralExpr *S) {
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VisitExpr(S);
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ID.AddBoolean(S->isFileScope());
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}
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void StmtProfiler::VisitDecl(Decl *D) {
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if (Canonical) {
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if (NonTypeTemplateParmDecl *NTTP
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= dyn_cast_or_null<NonTypeTemplateParmDecl>(D)) {
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ID.AddInteger(NTTP->getDepth());
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ID.AddInteger(NTTP->getIndex());
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return;
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}
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// FIXME: Other template template parameters?
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}
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ID.AddPointer(D? D->getCanonicalDecl() : 0);
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}
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void StmtProfiler::VisitCastExpr(CastExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitImplicitCastExpr(ImplicitCastExpr *S) {
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VisitCastExpr(S);
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ID.AddBoolean(S->isLvalueCast());
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}
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void StmtProfiler::VisitExplicitCastExpr(ExplicitCastExpr *S) {
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VisitCastExpr(S);
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VisitType(S->getTypeAsWritten());
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}
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void StmtProfiler::VisitCStyleCastExpr(CStyleCastExpr *S) {
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VisitExplicitCastExpr(S);
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}
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void StmtProfiler::VisitBinaryOperator(BinaryOperator *S) {
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VisitExpr(S);
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ID.AddInteger(S->getOpcode());
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}
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void StmtProfiler::VisitCompoundAssignOperator(CompoundAssignOperator *S) {
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VisitBinaryOperator(S);
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}
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void StmtProfiler::VisitConditionalOperator(ConditionalOperator *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitAddrLabelExpr(AddrLabelExpr *S) {
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VisitExpr(S);
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ID.AddPointer(S->getLabel());
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}
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void StmtProfiler::VisitStmtExpr(StmtExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitTypesCompatibleExpr(TypesCompatibleExpr *S) {
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VisitExpr(S);
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VisitType(S->getArgType1());
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VisitType(S->getArgType2());
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}
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void StmtProfiler::VisitShuffleVectorExpr(ShuffleVectorExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitChooseExpr(ChooseExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitGNUNullExpr(GNUNullExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitInitListExpr(InitListExpr *S) {
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if (S->getSyntacticForm()) {
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VisitInitListExpr(S->getSyntacticForm());
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return;
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}
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VisitExpr(S);
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}
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void StmtProfiler::VisitDesignatedInitExpr(DesignatedInitExpr *S) {
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VisitExpr(S);
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ID.AddBoolean(S->usesGNUSyntax());
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for (DesignatedInitExpr::designators_iterator D = S->designators_begin(),
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DEnd = S->designators_end();
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D != DEnd; ++D) {
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if (D->isFieldDesignator()) {
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ID.AddInteger(0);
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VisitName(D->getFieldName());
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continue;
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}
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if (D->isArrayDesignator()) {
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ID.AddInteger(1);
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} else {
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assert(D->isArrayRangeDesignator());
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ID.AddInteger(2);
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}
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ID.AddInteger(D->getFirstExprIndex());
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}
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}
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void StmtProfiler::VisitImplicitValueInitExpr(ImplicitValueInitExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitExtVectorElementExpr(ExtVectorElementExpr *S) {
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VisitExpr(S);
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VisitName(&S->getAccessor());
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}
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void StmtProfiler::VisitBlockExpr(BlockExpr *S) {
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VisitExpr(S);
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VisitDecl(S->getBlockDecl());
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}
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void StmtProfiler::VisitBlockDeclRefExpr(BlockDeclRefExpr *S) {
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VisitExpr(S);
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VisitDecl(S->getDecl());
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ID.AddBoolean(S->isByRef());
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ID.AddBoolean(S->isConstQualAdded());
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}
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void StmtProfiler::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *S) {
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VisitCallExpr(S);
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ID.AddInteger(S->getOperator());
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}
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void StmtProfiler::VisitCXXMemberCallExpr(CXXMemberCallExpr *S) {
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VisitCallExpr(S);
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}
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void StmtProfiler::VisitCXXNamedCastExpr(CXXNamedCastExpr *S) {
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VisitExplicitCastExpr(S);
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}
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void StmtProfiler::VisitCXXStaticCastExpr(CXXStaticCastExpr *S) {
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VisitCXXNamedCastExpr(S);
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}
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void StmtProfiler::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S) {
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VisitCXXNamedCastExpr(S);
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}
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void StmtProfiler::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S) {
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VisitCXXNamedCastExpr(S);
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}
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void StmtProfiler::VisitCXXConstCastExpr(CXXConstCastExpr *S) {
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VisitCXXNamedCastExpr(S);
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}
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void StmtProfiler::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S) {
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VisitExpr(S);
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ID.AddBoolean(S->getValue());
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}
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void StmtProfiler::VisitCXXTypeidExpr(CXXTypeidExpr *S) {
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VisitExpr(S);
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if (S->isTypeOperand())
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VisitType(S->getTypeOperand());
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}
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void StmtProfiler::VisitCXXThisExpr(CXXThisExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitCXXThrowExpr(CXXThrowExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S) {
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VisitExpr(S);
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VisitDecl(S->getParam());
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}
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void StmtProfiler::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S) {
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VisitExpr(S);
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VisitDecl(
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const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
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}
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void StmtProfiler::VisitCXXConstructExpr(CXXConstructExpr *S) {
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VisitExpr(S);
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VisitDecl(S->getConstructor());
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ID.AddBoolean(S->isElidable());
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}
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void StmtProfiler::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S) {
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VisitExplicitCastExpr(S);
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}
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void StmtProfiler::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S) {
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VisitCXXConstructExpr(S);
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}
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void StmtProfiler::VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *S) {
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VisitExpr(S);
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}
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void StmtProfiler::VisitCXXConditionDeclExpr(CXXConditionDeclExpr *S) {
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VisitDeclRefExpr(S);
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}
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void StmtProfiler::VisitCXXDeleteExpr(CXXDeleteExpr *S) {
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VisitExpr(S);
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ID.AddBoolean(S->isGlobalDelete());
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ID.AddBoolean(S->isArrayForm());
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VisitDecl(S->getOperatorDelete());
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}
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void StmtProfiler::VisitCXXNewExpr(CXXNewExpr *S) {
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VisitExpr(S);
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VisitType(S->getAllocatedType());
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VisitDecl(S->getOperatorNew());
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VisitDecl(S->getOperatorDelete());
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VisitDecl(S->getConstructor());
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ID.AddBoolean(S->isArray());
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ID.AddInteger(S->getNumPlacementArgs());
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ID.AddBoolean(S->isGlobalNew());
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ID.AddBoolean(S->isParenTypeId());
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ID.AddBoolean(S->hasInitializer());
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ID.AddInteger(S->getNumConstructorArgs());
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}
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void
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StmtProfiler::VisitUnresolvedFunctionNameExpr(UnresolvedFunctionNameExpr *S) {
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VisitExpr(S);
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VisitName(S->getName());
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}
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void StmtProfiler::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S) {
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VisitExpr(S);
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ID.AddInteger(S->getTrait());
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VisitType(S->getQueriedType());
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}
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void StmtProfiler::VisitQualifiedDeclRefExpr(QualifiedDeclRefExpr *S) {
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VisitDeclRefExpr(S);
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VisitNestedNameSpecifier(S->getQualifier());
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}
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void StmtProfiler::VisitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *S) {
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VisitExpr(S);
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VisitName(S->getDeclName());
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VisitNestedNameSpecifier(S->getQualifier());
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ID.AddBoolean(S->isAddressOfOperand());
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}
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void StmtProfiler::VisitTemplateIdRefExpr(TemplateIdRefExpr *S) {
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VisitExpr(S);
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VisitNestedNameSpecifier(S->getQualifier());
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VisitTemplateName(S->getTemplateName());
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VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
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}
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void StmtProfiler::VisitType(QualType T) {
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if (Canonical) {
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if (const TemplateTypeParmType *TTP = T->getAs<TemplateTypeParmType>()) {
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ID.AddInteger(TTP->getDepth());
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ID.AddInteger(TTP->getIndex());
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return;
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}
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T = Context.getCanonicalType(T);
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}
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ID.AddPointer(T.getAsOpaquePtr());
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}
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void StmtProfiler::VisitName(DeclarationName Name) {
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ID.AddPointer(Name.getAsOpaquePtr());
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}
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void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) {
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if (Canonical)
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NNS = Context.getCanonicalNestedNameSpecifier(NNS);
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ID.AddPointer(NNS);
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}
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void StmtProfiler::VisitTemplateName(TemplateName Name) {
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if (Canonical)
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Name = Context.getCanonicalTemplateName(Name);
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Name.Profile(ID);
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}
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void StmtProfiler::VisitTemplateArguments(const TemplateArgument *Args,
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unsigned NumArgs) {
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ID.AddInteger(NumArgs);
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for (unsigned I = 0; I != NumArgs; ++I) {
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const TemplateArgument &Arg = Args[I];
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// Mostly repetitive with TemplateArgument::Profile!
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ID.AddInteger(Arg.getKind());
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switch (Arg.getKind()) {
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case TemplateArgument::Null:
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break;
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case TemplateArgument::Type:
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VisitType(Arg.getAsType());
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break;
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case TemplateArgument::Declaration:
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VisitDecl(Arg.getAsDecl());
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break;
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case TemplateArgument::Integral:
|
|
Arg.getAsIntegral()->Profile(ID);
|
|
VisitType(Arg.getIntegralType());
|
|
break;
|
|
|
|
case TemplateArgument::Expression:
|
|
Visit(Arg.getAsExpr());
|
|
break;
|
|
|
|
case TemplateArgument::Pack:
|
|
VisitTemplateArguments(Arg.pack_begin(), Arg.pack_size());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Stmt::Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context,
|
|
bool Canonical) {
|
|
StmtProfiler Profiler(ID, Context, Canonical);
|
|
Profiler.Visit(this);
|
|
}
|