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//===----------------------------------------------------------------------===//
//
// Copyright (c) 2012, 2016 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_VAR_H
#define RENAME_VAR_H
#include <string>
#include <vector>
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/DenseMap.h"
#include "Transformation.h"
namespace clang {
class DeclGroupRef;
class ASTContext;
class VarDecl;
}
class RNVCollectionVisitor;
class RenameVarVisitor;
class RenameVar : public Transformation {
friend class RNVCollectionVisitor;
friend class RenameVarVisitor;
public:
RenameVar(const char *TransName, const char *Desc)
: Transformation(TransName, Desc),
VarCollectionVisitor(NULL),
RenameVisitor(NULL),
RenamePrefix('t')
{ }
~RenameVar(void);
virtual bool skipCounter(void) {
return true;
}
private:
virtual void Initialize(clang::ASTContext &context);
virtual bool HandleTopLevelDecl(clang::DeclGroupRef D);
virtual void HandleTranslationUnit(clang::ASTContext &Ctx);
void addVar(clang::VarDecl *VD);
bool allValidNames();
void collectVars(void);
RNVCollectionVisitor *VarCollectionVisitor;
RenameVarVisitor *RenameVisitor;
char RenamePrefix;
std::vector<clang::VarDecl *> ValidVars;
llvm::SmallVector<char, 26> AvailableNames;
llvm::DenseMap<clang::VarDecl *, std::string> VarToNameMap;
llvm::SmallPtrSet<clang::DeclRefExpr *, 10> VisitedDREs;
// Unimplemented
RenameVar(void);
RenameVar(const RenameVar &);
void operator=(const RenameVar &);
};
#endif
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