yosys/passes/techmap/libparse.h

68 lines
1.8 KiB
C
Raw Normal View History

2013-01-05 04:13:26 -06:00
/*
* yosys -- Yosys Open SYnthesis Suite
*
* 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:
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);
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