constantParsing.h

/*
 * SPDX-FileCopyrightText: 2013 Barefoot Networks, Inc.
 * Copyright 2013-present Barefoot Networks, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef FRONTENDS_COMMON_CONSTANTPARSING_H_
#define FRONTENDS_COMMON_CONSTANTPARSING_H_
 
#include "lib/cstring.h"
 
namespace P4::IR {
class Constant;
}  // namespace P4::IR
 
namespace P4::Util {
class SourceInfo;
}  // namespace P4::Util
 
namespace P4 {
 
class JSONGenerator;
class JSONLoader;

struct UnparsedConstant {
    cstring text;   
    unsigned skip;  
    unsigned base;  
    bool hasWidth;  
    void toJSON(JSONGenerator &) const;
    static UnparsedConstant fromJSON(JSONLoader &);
};
 
std::ostream &operator<<(std::ostream &out, const UnparsedConstant &constant);
 
bool operator<(const UnparsedConstant &a, const UnparsedConstant &b);

IR::Constant *parseConstant(const Util::SourceInfo &srcInfo, const UnparsedConstant &constant,
                            long defaultValue);

int parseConstantChecked(const Util::SourceInfo &srcInfo, const UnparsedConstant &constant);
 
}  // namespace P4
 
#endif /* FRONTENDS_COMMON_CONSTANTPARSING_H_ */