397 lines
7.2 KiB
C
397 lines
7.2 KiB
C
/*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
#include "ac_cfg.h"
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
|
|
#include "avrdude.h"
|
|
#include "libavrdude.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 default_spi[PATH_MAX];
|
|
double default_bitclock;
|
|
|
|
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;
|
|
bool is_alias;
|
|
|
|
int cfg_lineno;
|
|
char * cfg_infile;
|
|
|
|
extern char * yytext;
|
|
|
|
#define DEBUG 0
|
|
|
|
void cleanup_config(void)
|
|
{
|
|
ldestroy_cb(part_list, (void(*)(void*))avr_free_part);
|
|
ldestroy_cb(programmers, (void(*)(void*))pgm_free);
|
|
ldestroy_cb(string_list, (void(*)(void*))free_token);
|
|
ldestroy_cb(number_list, (void(*)(void*))free_token);
|
|
}
|
|
|
|
int init_config(void)
|
|
{
|
|
string_list = lcreat(NULL, 0);
|
|
number_list = lcreat(NULL, 0);
|
|
current_prog = NULL;
|
|
current_part = NULL;
|
|
current_mem = NULL;
|
|
part_list = lcreat(NULL, 0);
|
|
programmers = lcreat(NULL, 0);
|
|
is_alias = false;
|
|
|
|
cfg_lineno = 1;
|
|
cfg_infile = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
int yywrap()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
|
|
int yyerror(char * errmsg, ...)
|
|
{
|
|
va_list args;
|
|
|
|
char message[512];
|
|
|
|
va_start(args, errmsg);
|
|
|
|
vsnprintf(message, sizeof(message), errmsg, args);
|
|
avrdude_message(MSG_INFO, "%s: error at %s:%d: %s\n", progname, cfg_infile, cfg_lineno, message);
|
|
|
|
va_end(args);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int yywarning(char * errmsg, ...)
|
|
{
|
|
va_list args;
|
|
|
|
char message[512];
|
|
|
|
va_start(args, errmsg);
|
|
|
|
vsnprintf(message, sizeof(message), errmsg, args);
|
|
avrdude_message(MSG_INFO, "%s: warning at %s:%d: %s\n", progname, cfg_infile, cfg_lineno, message);
|
|
|
|
va_end(args);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
TOKEN * new_token(int primary)
|
|
{
|
|
TOKEN * tkn;
|
|
|
|
tkn = (TOKEN *)malloc(sizeof(TOKEN));
|
|
if (tkn == NULL) {
|
|
yyerror("new_token(): out of memory");
|
|
return NULL;
|
|
}
|
|
|
|
memset(tkn, 0, sizeof(TOKEN));
|
|
|
|
tkn->primary = primary;
|
|
|
|
return tkn;
|
|
}
|
|
|
|
|
|
void free_token(TOKEN * tkn)
|
|
{
|
|
if (tkn) {
|
|
switch (tkn->value.type) {
|
|
case V_STR:
|
|
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);
|
|
if (tkn == NULL) {
|
|
return NULL; /* yyerror already called */
|
|
}
|
|
tkn->value.type = V_NUM;
|
|
tkn->value.number = atoi(text);
|
|
|
|
#if DEBUG
|
|
avrdude_message(MSG_INFO, "NUMBER(%d)\n", tkn->value.number);
|
|
#endif
|
|
|
|
return tkn;
|
|
}
|
|
|
|
TOKEN * number_real(char * text)
|
|
{
|
|
struct token_t * tkn;
|
|
|
|
tkn = new_token(TKN_NUMBER);
|
|
tkn->value.type = V_NUM_REAL;
|
|
tkn->value.number_real = atof(text);
|
|
|
|
#if DEBUG
|
|
avrdude_message(MSG_INFO, "NUMBER(%g)\n", tkn->value.number_real);
|
|
#endif
|
|
|
|
return tkn;
|
|
}
|
|
|
|
TOKEN * hexnumber(char * text)
|
|
{
|
|
struct token_t * tkn;
|
|
char * e;
|
|
|
|
tkn = new_token(TKN_NUMBER);
|
|
if (tkn == NULL) {
|
|
return NULL; /* yyerror already called */
|
|
}
|
|
tkn->value.type = V_NUM;
|
|
tkn->value.number = strtoul(text, &e, 16);
|
|
if ((e == text) || (*e != 0)) {
|
|
yyerror("can't scan hex number \"%s\"", text);
|
|
free_token(tkn);
|
|
return NULL;
|
|
}
|
|
|
|
#if DEBUG
|
|
avrdude_message(MSG_INFO, "HEXNUMBER(%g)\n", tkn->value.number);
|
|
#endif
|
|
|
|
return tkn;
|
|
}
|
|
|
|
|
|
TOKEN * string(char * text)
|
|
{
|
|
struct token_t * tkn;
|
|
int len;
|
|
|
|
tkn = new_token(TKN_STRING);
|
|
if (tkn == NULL) {
|
|
return NULL; /* yyerror already called */
|
|
}
|
|
|
|
len = strlen(text);
|
|
|
|
tkn->value.type = V_STR;
|
|
tkn->value.string = (char *) malloc(len+1);
|
|
if (tkn->value.string == NULL) {
|
|
yyerror("string(): out of memory");
|
|
free_token(tkn);
|
|
return NULL;
|
|
}
|
|
strcpy(tkn->value.string, text);
|
|
|
|
#if DEBUG
|
|
avrdude_message(MSG_INFO, "STRING(%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;
|
|
|
|
avrdude_message(MSG_INFO, "token = %d = ", tkn->primary);
|
|
switch (tkn->value.type) {
|
|
case V_NUM:
|
|
avrdude_message(MSG_INFO, "NUMBER, value=%d", tkn->value.number);
|
|
break;
|
|
|
|
case V_NUM_REAL:
|
|
avrdude_message(MSG_INFO, "NUMBER, value=%g", tkn->value.number_real);
|
|
break;
|
|
|
|
case V_STR:
|
|
avrdude_message(MSG_INFO, "STRING, value=%s", tkn->value.string);
|
|
break;
|
|
|
|
default:
|
|
avrdude_message(MSG_INFO, "<other>");
|
|
break;
|
|
}
|
|
|
|
avrdude_message(MSG_INFO, "\n");
|
|
}
|
|
|
|
|
|
void pyytext(void)
|
|
{
|
|
#if DEBUG
|
|
avrdude_message(MSG_INFO, "TOKEN: \"%s\"\n", yytext);
|
|
#endif
|
|
}
|
|
|
|
|
|
char * dup_string(const char * str)
|
|
{
|
|
char * s;
|
|
|
|
s = strdup(str);
|
|
if (s == NULL) {
|
|
yyerror("dup_string(): out of memory");
|
|
return NULL;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
#ifdef HAVE_YYLEX_DESTROY
|
|
/* reset lexer and free any allocated memory */
|
|
extern int yylex_destroy(void);
|
|
#endif
|
|
|
|
int read_config(const char * file)
|
|
{
|
|
FILE * f;
|
|
int r;
|
|
|
|
if(!(cfg_infile = realpath(file, NULL))) {
|
|
avrdude_message(MSG_INFO, "%s: can't determine realpath() of config file \"%s\": %s\n",
|
|
progname, file, strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
f = fopen(cfg_infile, "r");
|
|
if (f == NULL) {
|
|
avrdude_message(MSG_INFO, "%s: can't open config file \"%s\": %s\n",
|
|
progname, cfg_infile, strerror(errno));
|
|
free(cfg_infile);
|
|
cfg_infile = NULL;
|
|
return -1;
|
|
}
|
|
|
|
cfg_lineno = 1;
|
|
yyin = f;
|
|
|
|
r = yyparse();
|
|
|
|
#ifdef HAVE_YYLEX_DESTROY
|
|
/* reset lexer and free any allocated memory */
|
|
yylex_destroy();
|
|
#endif
|
|
|
|
fclose(f);
|
|
|
|
if(cfg_infile) {
|
|
free(cfg_infile);
|
|
cfg_infile = NULL;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
|
|
// Linear-search cache for a few often-referenced strings
|
|
char *cache_string(const char *file) {
|
|
static char **fnames;
|
|
static int n=0;
|
|
|
|
if(!file)
|
|
return NULL;
|
|
|
|
// Exists in cache?
|
|
for(int i=0; i<n; i++)
|
|
if(strcmp(fnames[i], file) == 0)
|
|
return fnames[i];
|
|
|
|
// Expand cache?
|
|
if(n%128 == 0) {
|
|
if(!(fnames = realloc(fnames, (n+128)*sizeof*fnames))) {
|
|
yyerror("cache_string(): out of memory");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
fnames[n] = strdup(file);
|
|
if(!fnames[n]) {
|
|
yyerror("cache_string(): out of memory");
|
|
return NULL;
|
|
}
|
|
|
|
return fnames[n++];
|
|
}
|