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//===----------------------------------------------------------------------===//
//
// Copyright (c) 2012 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 SIMPLIFY_STRUCT_UNION_DECL_H
#define SIMPLIFY_STRUCT_UNION_DECL_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "Transformation.h"
namespace clang {
class DeclGroupRef;
class ASTContext;
class RecordDecl;
class Type;
class VarDecl;
}
class SimplifyStructUnionDeclVisitor;
class SimplifyStructUnionDecl : public Transformation {
friend class SimplifyStructUnionDeclVisitor;
public:
SimplifyStructUnionDecl(const char *TransName, const char *Desc)
: Transformation(TransName, Desc),
AnalysisVisitor(NULL),
TheRecordDecl(NULL),
SafeToRemoveName(true)
{ }
~SimplifyStructUnionDecl(void);
private:
typedef llvm::SmallPtrSet<const clang::VarDecl *, 5> VarDeclSet;
typedef llvm::DenseMap<const clang::Decl*, void *>
RecordDeclToDeclGroupMap;
virtual void Initialize(clang::ASTContext &context);
virtual bool HandleTopLevelDecl(clang::DeclGroupRef D);
virtual void HandleTranslationUnit(clang::ASTContext &Ctx);
void addOneRecordDecl(const clang::RecordDecl *RD, clang::DeclGroupRef DGR);
void doCombination();
bool handleOneDeclarator(const clang::Type *Ty);
const clang::RecordDecl *getBaseRecordDecl(const clang::Type *Ty);
bool isSafeToRemoveName(void);
RecordDeclToDeclGroupMap RecordDeclToDeclGroup;
llvm::SmallVector<void *, 2> TheDeclGroupRefs;
VarDeclSet CombinedVars;
SimplifyStructUnionDeclVisitor *AnalysisVisitor;
const clang::RecordDecl *TheRecordDecl;
bool SafeToRemoveName;
// Unimplemented
SimplifyStructUnionDecl(void);
SimplifyStructUnionDecl(const SimplifyStructUnionDecl &);
void operator=(const SimplifyStructUnionDecl &);
};
#endif
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