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//===----------------------------------------------------------------------===//
//
// Copyright (c) 2012, 2013, 2014 The University of Utah
// All rights reserved.
//
// This file is distributed under the University of Illinois Open Source
// License. See the file COPYING for details.
//
//===----------------------------------------------------------------------===//
#ifndef RENAME_CXX_METHOD_H
#define RENAME_CXX_METHOD_H
#include <string>
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "Transformation.h"
namespace clang {
class DeclGroupRef;
class ASTContext;
class FunctionDecl;
class CXXMethodDecl;
class CXXRecordDecl;
class Expr;
class CallExpr;
class OverloadExpr;
class CXXDependentScopeMemberExpr;
class DeclarationName;
class FunctionTemplateDecl;
class TemplateArgument;
class ClassTemplateSpecializationDecl;
}
namespace llvm {
class StringRef;
}
class RenameCXXMethodCollectionVisitor;
class RenameCXXMethodVisitor;
class RenameCXXMethod : public Transformation {
friend class RenameCXXMethodCollectionVisitor;
friend class RenameCXXMethodVisitor;
public:
RenameCXXMethod(const char *TransName, const char *Desc)
: Transformation(TransName, Desc),
MethodCollectionVisitor(NULL),
RenameVisitor(NULL),
CurrentFD(NULL),
ClassInstantiation(false),
FunctionInstantiation(false),
DoRenaming(false),
MethodNamePrefix("m_fn"),
NumRenamedMethods(0)
{ }
~RenameCXXMethod();
virtual bool skipCounter() {
return true;
}
private:
typedef llvm::DenseMap<const clang::CXXMethodDecl *, std::string>
CXXMethodDeclToNameMap;
typedef llvm::DenseMap<const clang::CXXRecordDecl *, unsigned int>
CXXRecordDeclToNumMap;
typedef llvm::SmallPtrSet<const clang::CXXRecordDecl *, 10> CXXRecordDeclSet;
typedef llvm::SmallPtrSet<const clang::CXXMethodDecl *, 10> CXXMethodDeclSet;
typedef llvm::SmallVector<const clang::ClassTemplateSpecializationDecl*, 5>
ClassSpecDeclVector;
virtual void Initialize(clang::ASTContext &context);
virtual bool HandleTopLevelDecl(clang::DeclGroupRef D);
virtual void HandleTranslationUnit(clang::ASTContext &Ctx);
void handleOneCXXRecordDecl(const clang::CXXRecordDecl *RD);
void addOneMethodName(const clang::CXXMethodDecl *MD, unsigned int Num);
void addOneInheritedName(const clang::CXXMethodDecl *MD,
const clang::CXXMethodDecl *BaseMD);
bool isSpecialCXXMethod(const clang::CXXMethodDecl *MD);
unsigned int getNumInheritedFunctions(const clang::CXXRecordDecl *RD);
void handleOneMemberTemplateFunction(const clang::CXXMethodDecl *MD);
void rewriteDependentExpr(const clang::Expr *E);
void rewriteOverloadExpr(const clang::OverloadExpr *OE);
void rewriteFunctionTemplateExplicitInstantiation(
const clang::FunctionDecl *FD);
void rewriteCXXDependentScopeMemberExpr(
const clang::CXXDependentScopeMemberExpr *DE);
bool getMethodNewName(const clang::CXXMethodDecl *MD, std::string &NewName);
bool hasValidMethods();
bool isExplicit(const clang::CXXMethodDecl *MD);
const clang::FunctionDecl* getFunctionDecl(
const clang::CXXDependentScopeMemberExpr *DE);
const clang::CXXMethodDecl* getCXXMethodFromMemberFunction(
const clang::CXXMethodDecl *MD);
const clang::FunctionDecl* getFunctionDeclFromType(
const clang::Type *Ty, clang::DeclarationName &DName);
const clang::FunctionDecl* getFunctionDeclFromOverloadExpr(
const clang::OverloadExpr *OE);
const clang::FunctionDecl* getFunctionDeclFromReturnType(
const clang::CallExpr *CE, clang::DeclarationName &DName);
const clang::FunctionDecl* getFunctionDeclFromOverloadTemplate(
const clang::CallExpr *CE, const clang::OverloadExpr *OE,
clang::DeclarationName &DName);
bool isValidName(const llvm::StringRef &Name);
void setClassInstantiationFlag(const clang::RecordDecl *RD);
void clearClassInstantiationFlag(void) {
ClassInstantiation = false;
}
void setFunctionInstantiationFlag(const clang::FunctionDecl *FD);
void clearFunctionInstantiationFlag(void) {
FunctionInstantiation = false;
}
RenameCXXMethodCollectionVisitor *MethodCollectionVisitor;
RenameCXXMethodVisitor *RenameVisitor;
const clang::FunctionDecl *CurrentFD;
bool ClassInstantiation;
bool FunctionInstantiation;
bool DoRenaming;
const std::string MethodNamePrefix;
int NumRenamedMethods;
CXXRecordDeclSet VisitedCXXRecordDecls;
CXXMethodDeclSet VisitedSpecializedMethods;
CXXMethodDeclToNameMap NewMethodNames;
CXXRecordDeclToNumMap NumMemberFunctions;
ClassSpecDeclVector InstantiationQueue;
// Unimplemented
RenameCXXMethod();
RenameCXXMethod(const RenameCXXMethod &);
void operator=(const RenameCXXMethod &);
};
#endif
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