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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 UNION_TO_STRUCT_H
#define UNION_TO_STRUCT_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "Transformation.h"
namespace clang {
class DeclGroupRef;
class ASTContext;
class DeclaratorDecl;
class VarDecl;
class RecordDecl;
class DeclStmt;
class FieldDecl;
}
class UnionToStructCollectionVisitor;
class UnionToStruct : public Transformation {
friend class UnionToStructCollectionVisitor;
public:
UnionToStruct(const char *TransName, const char *Desc)
: Transformation(TransName, Desc),
CollectionVisitor(NULL),
TheRecordDecl(NULL),
TheDeclaratorSet(NULL)
{ }
~UnionToStruct(void);
private:
typedef llvm::SmallPtrSet<const clang::DeclaratorDecl *, 10>
DeclaratorDeclSet;
typedef llvm::DenseMap<const clang::VarDecl *, const clang::DeclStmt *>
VarToDeclStmtMap;
typedef llvm::DenseMap<const clang::VarDecl *, clang::DeclGroupRef>
VarToDeclGroupMap;
typedef llvm::MapVector<const clang::RecordDecl *, DeclaratorDeclSet *>
RecordDeclToDeclaratorDeclMap;
virtual void Initialize(clang::ASTContext &context);
virtual bool HandleTopLevelDecl(clang::DeclGroupRef D);
virtual void HandleTranslationUnit(clang::ASTContext &Ctx);
void addOneDeclarator(const clang::DeclaratorDecl *VD, const clang::Type *T);
void addOneRecord(const clang::RecordDecl *RD);
void doAnalysis(void);
bool isValidRecordDecl(const clang::RecordDecl *RD);
void rewriteRecordDecls(void);
void rewriteDeclarators(void);
void rewriteOneRecordDecl(const clang::RecordDecl *RD);
void rewriteOneVarDecl(const clang::VarDecl *VD);
void rewriteOneFieldDecl(const clang::FieldDecl *FD);
void rewriteOneFunctionDecl(const clang::FunctionDecl *FD);
void getInitStrWithPointerType(const clang::Expr *E, std::string &Str);
void getInitStrWithNonPointerType(const clang::Expr *E, std::string &Str);
bool isTheFirstDecl(const clang::VarDecl *VD);
VarToDeclStmtMap VarToDeclStmt;
VarToDeclGroupMap VarToDeclGroup;
RecordDeclToDeclaratorDeclMap RecordToDeclarator;
UnionToStructCollectionVisitor *CollectionVisitor;
const clang::RecordDecl *TheRecordDecl;
DeclaratorDeclSet *TheDeclaratorSet;
// Unimplemented
UnionToStruct(void);
UnionToStruct(const UnionToStruct &);
void operator=(const UnionToStruct &);
};
#endif
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