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//===-- SMTParser.h -------------------------------------------------------===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef SMT_PARSER_H
#define SMT_PARSER_H
#include "expr/Parser.h"
#include <cassert>
#include <iostream>
#include <map>
#include <stack>
#include <string>
namespace klee {
namespace expr {
class SMTParser : public klee::expr::Parser {
private:
void *buf;
public:
/* For interacting w/ the actual parser, should make this nicer */
static SMTParser* parserTemp;
std::string fileName;
std::istream* is;
int lineNum;
bool done;
bool arraysEnabled;
std::vector<ExprHandle> assumptions;
klee::expr::ExprHandle query;
int bvSize;
bool queryParsed;
SMTParser(const std::string filename);
virtual klee::expr::Decl *ParseTopLevelDecl();
virtual void SetMaxErrors(unsigned N) { }
virtual unsigned GetNumErrors() const { return 1; }
virtual ~SMTParser() {}
void Init(void);
int Error(const std::string& s);
int StringToInt(const std::string& s);
typedef std::map<const std::string, ExprHandle> VarEnv;
typedef std::map<const std::string, ExprHandle> FVarEnv;
std::stack<VarEnv> varEnvs;
std::stack<FVarEnv> fvarEnvs;
void PushVarEnv(void);
void PopVarEnv(void);
void AddVar(std::string name, ExprHandle val); // to current var env
ExprHandle GetVar(std::string name); // from current var env
void PushFVarEnv(void);
void PopFVarEnv(void);
void AddFVar(std::string name, ExprHandle val); // to current fvar env
ExprHandle GetFVar(std::string name); // from current fvar env
};
}
}
#endif
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