OpenFPGA/libs/EXTERNAL/libblifparse/src/blifparse.cpp

79 lines
1.9 KiB
C++

#include <cstdio>
#include "blifparse.hpp"
#include "blif_common.hpp"
#include "blif_lexer.hpp"
#include "blif_error.hpp"
namespace blifparse {
//.conn [Extended BLIF]
void Callback::conn(std::string /*src*/, std::string /*dst*/) {
parse_error(-1, ".conn", "Unsupported BLIF extension");
}
//.cname [Extended BLIF]
void Callback::cname(std::string /*cell_name*/) {
parse_error(-1, ".cname", "Unsupported BLIF extension");
}
//.attr [Extended BLIF]
void Callback::attr(std::string /*name*/, std::string /*value*/) {
parse_error(-1, ".attr", "Unsupported BLIF extension");
}
//.param [Extended BLIF]
void Callback::param(std::string /*name*/, std::string /*value*/) {
parse_error(-1, ".param", "Unsupported BLIF extension");
}
/*
* Given a filename parses the file as an BLIF file
* and returns a pointer to a struct containing all
* the blif commands. See blif.h for data structure
* detials.
*/
void blif_parse_filename(std::string filename, Callback& callback) {
blif_parse_filename(filename.c_str(), callback);
}
void blif_parse_filename(const char* filename, Callback& callback) {
FILE* infile = std::fopen(filename, "r");
if(infile != NULL) {
//Parse the file
blif_parse_file(infile, callback, filename);
std::fclose(infile);
} else {
blif_error_wrap(callback, 0, "", "Could not open file '%s'.\n", filename);
}
}
void blif_parse_file(FILE* blif_file, Callback& callback, const char* filename) {
//Initialize the lexer
Lexer lexer(blif_file, callback);
//Setup the parser + lexer
Parser parser(lexer, callback);
//Just before parsing starts
callback.start_parse();
//Tell the caller the file name
callback.filename(filename);
//Do the actual parse
int error = parser.parse();
if(error) {
blif_error_wrap(callback, 0, "", "File failed to parse.\n");
}
//Finished parsing
callback.finish_parse();
}
}