mirror of https://github.com/YosysHQ/yosys.git
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef LIBPARSE_H
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#define LIBPARSE_H
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#include <stdio.h>
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#include <string>
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#include <vector>
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#include <set>
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namespace Yosys
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{
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struct LibertyAst
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{
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std::string id, value;
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std::vector<std::string> args;
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std::vector<LibertyAst*> children;
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~LibertyAst();
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LibertyAst *find(std::string name);
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void dump(FILE *f, std::string indent = "", std::string path = "", bool path_ok = false);
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static std::set<std::string> blacklist;
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static std::set<std::string> whitelist;
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};
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struct LibertyParser
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{
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std::istream &f;
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int line;
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LibertyAst *ast;
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LibertyParser(std::istream &f) : f(f), line(1), ast(parse()) {}
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~LibertyParser() { if (ast) delete ast; }
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int lexer(std::string &str);
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LibertyAst *parse();
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void error();
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};
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}
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#endif
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