2013-01-05 04:13:26 -06:00
|
|
|
/*
|
|
|
|
* yosys -- Yosys Open SYnthesis Suite
|
|
|
|
*
|
2021-06-07 17:39:36 -05:00
|
|
|
* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
|
2015-07-02 04:14:30 -05:00
|
|
|
*
|
2013-01-05 04:13:26 -06:00
|
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
|
|
* copyright notice and this permission notice appear in all copies.
|
2015-07-02 04:14:30 -05:00
|
|
|
*
|
2013-01-05 04:13:26 -06:00
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef LIBPARSE_H
|
|
|
|
#define LIBPARSE_H
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <string>
|
|
|
|
#include <vector>
|
|
|
|
#include <set>
|
|
|
|
|
2014-09-27 09:17:53 -05:00
|
|
|
namespace Yosys
|
2013-01-05 04:13:26 -06:00
|
|
|
{
|
|
|
|
struct LibertyAst
|
|
|
|
{
|
|
|
|
std::string id, value;
|
|
|
|
std::vector<std::string> args;
|
|
|
|
std::vector<LibertyAst*> children;
|
|
|
|
~LibertyAst();
|
2024-08-13 11:43:31 -05:00
|
|
|
const LibertyAst *find(std::string name) const;
|
|
|
|
|
|
|
|
typedef std::set<std::string> sieve;
|
|
|
|
void dump(FILE *f, sieve &blacklist, sieve &whitelist, std::string indent = "", std::string path = "", bool path_ok = false) const;
|
2013-01-05 04:13:26 -06:00
|
|
|
};
|
|
|
|
|
2024-08-13 11:43:31 -05:00
|
|
|
class LibertyParser
|
2013-01-05 04:13:26 -06:00
|
|
|
{
|
2024-08-13 11:43:31 -05:00
|
|
|
private:
|
2014-08-23 08:03:55 -05:00
|
|
|
std::istream &f;
|
2013-01-05 04:13:26 -06:00
|
|
|
int line;
|
2024-08-13 11:43:31 -05:00
|
|
|
|
2024-08-13 11:08:21 -05:00
|
|
|
/* lexer return values:
|
|
|
|
'v': identifier, string, array range [...] -> str holds the token string
|
|
|
|
'n': newline
|
|
|
|
anything else is a single character.
|
|
|
|
*/
|
2013-01-05 04:13:26 -06:00
|
|
|
int lexer(std::string &str);
|
2019-03-24 16:54:18 -05:00
|
|
|
|
2024-08-13 11:08:21 -05:00
|
|
|
LibertyAst *parse();
|
2013-01-05 04:13:26 -06:00
|
|
|
void error();
|
2024-08-13 11:08:21 -05:00
|
|
|
void error(const std::string &str);
|
2024-08-13 11:43:31 -05:00
|
|
|
|
|
|
|
public:
|
|
|
|
const LibertyAst *ast;
|
|
|
|
|
|
|
|
LibertyParser(std::istream &f) : f(f), line(1), ast(parse()) {}
|
|
|
|
~LibertyParser() { if (ast) delete ast; }
|
2013-01-05 04:13:26 -06:00
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|