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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2004 Brian S. Dean <bsd@bsdhome.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Id$ */
#include "ac_cfg.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "avrdude.h"
#include "avr.h"
#include "config.h"
#include "config_gram.h"
char default_programmer[MAX_STR_CONST];
char default_parallel[PATH_MAX];
char default_serial[PATH_MAX];
char string_buf[MAX_STR_CONST];
char *string_buf_ptr;
LISTID string_list;
LISTID number_list;
PROGRAMMER * current_prog;
AVRPART * current_part;
AVRMEM * current_mem;
LISTID part_list;
LISTID programmers;
int lineno;
const char * infile;
extern char * yytext;
#define DEBUG 0
int init_config(void)
{
string_list = lcreat(NULL, 0);
number_list = lcreat(NULL, 0);
current_prog = NULL;
current_part = NULL;
current_mem = 0;
part_list = lcreat(NULL, 0);
programmers = lcreat(NULL, 0);
lineno = 1;
infile = NULL;
return 0;
}
int yywrap()
{
return 1;
}
int yyerror(char * errmsg)
{
fprintf(stderr, "%s at %s:%d\n", errmsg, infile, lineno);
exit(1);
}
TOKEN * new_token(int primary)
{
TOKEN * tkn;
tkn = (TOKEN *)malloc(sizeof(TOKEN));
if (tkn == NULL) {
fprintf(stderr, "new_token(): out of memory\n");
exit(1);
}
memset(tkn, 0, sizeof(TOKEN));
tkn->primary = primary;
return tkn;
}
void free_token(TOKEN * tkn)
{
if (tkn) {
switch (tkn->primary) {
case TKN_STRING:
case TKN_ID:
if (tkn->value.string)
free(tkn->value.string);
tkn->value.string = NULL;
break;
}
free(tkn);
}
}
void free_tokens(int n, ...)
{
TOKEN * t;
va_list ap;
va_start(ap, n);
while (n--) {
t = va_arg(ap, TOKEN *);
free_token(t);
}
va_end(ap);
}
TOKEN * number(char * text)
{
struct token_t * tkn;
tkn = new_token(TKN_NUMBER);
tkn->value.type = V_NUM;
tkn->value.number = atof(text);
#if DEBUG
fprintf(stderr, "NUMBER(%g)\n", tkn->value.number);
#endif
return tkn;
}
TOKEN * hexnumber(char * text)
{
struct token_t * tkn;
char * e;
tkn = new_token(TKN_NUMBER);
tkn->value.type = V_NUM;
tkn->value.number = strtoul(text, &e, 16);
if ((e == text) || (*e != 0)) {
fprintf(stderr, "error at %s:%d: can't scan hex number \"%s\"\n",
infile, lineno, text);
exit(1);
}
#if DEBUG
fprintf(stderr, "HEXNUMBER(%g)\n", tkn->value.number);
#endif
return tkn;
}
TOKEN * string(char * text)
{
struct token_t * tkn;
int len;
tkn = new_token(TKN_STRING);
len = strlen(text);
tkn->value.type = V_STR;
tkn->value.string = (char *) malloc(len+1);
if (tkn->value.string == NULL) {
fprintf(stderr, "id(): out of memory\n");
exit(1);
}
strcpy(tkn->value.string, text);
#if DEBUG
fprintf(stderr, "STRING(%s)\n", tkn->value.string);
#endif
return tkn;
}
TOKEN * id(char * text)
{
struct token_t * tkn;
int len;
tkn = new_token(TKN_ID);
len = strlen(text);
tkn->value.type = V_STR;
tkn->value.string = (char *) malloc(len+1);
if (tkn->value.string == NULL) {
fprintf(stderr, "id(): out of memory\n");
exit(1);
}
strcpy(tkn->value.string, text);
#if DEBUG
fprintf(stderr, "ID(%s)\n", tkn->value.string);
#endif
return tkn;
}
TOKEN * keyword(int primary)
{
struct token_t * tkn;
tkn = new_token(primary);
return tkn;
}
void print_token(TOKEN * tkn)
{
if (!tkn)
return;
fprintf(stderr, "token = %d = ", tkn->primary);
switch (tkn->primary) {
case TKN_NUMBER:
fprintf(stderr, "NUMBER, value=%g", tkn->value.number);
break;
case TKN_STRING:
fprintf(stderr, "STRING, value=%s", tkn->value.string);
break;
case TKN_ID:
fprintf(stderr, "ID, value=%s", tkn->value.string);
break;
default:
fprintf(stderr, "<other>");
break;
}
fprintf(stderr, "\n");
}
void pyytext(void)
{
#if DEBUG
fprintf(stderr, "TOKEN: \"%s\"\n", yytext);
#endif
}
char * dup_string(const char * str)
{
char * s;
s = strdup(str);
if (s == NULL) {
fprintf(stderr, "dup_string(): out of memory\n");
exit(1);
}
return s;
}
int read_config(const char * file)
{
FILE * f;
f = fopen(file, "r");
if (f == NULL) {
fprintf(stderr, "%s: can't open config file \"%s\": %s\n",
progname, file, strerror(errno));
return -1;
}
lineno = 1;
infile = file;
yyin = f;
yyparse();
fclose(f);
return 0;
}
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