336 lines
9.2 KiB
C
336 lines
9.2 KiB
C
const char COPYRIGHT[] =
|
|
"Copyright (c) 1999 Stephen Williams (steve@icarus.com)";
|
|
/*
|
|
* This source code is free software; you can redistribute it
|
|
* and/or modify it in source code form 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
|
|
*/
|
|
#ifdef HAVE_CVS_IDENT
|
|
#ident "$Id: main.c,v 1.23 2006/10/02 18:16:18 steve Exp $"
|
|
#endif
|
|
|
|
# include "config.h"
|
|
|
|
const char NOTICE[] =
|
|
" This program is free software; you can redistribute it and/or modify\n"
|
|
" it under the terms of the GNU General Public License as published by\n"
|
|
" the Free Software Foundation; either version 2 of the License, or\n"
|
|
" (at your option) any later version.\n"
|
|
"\n"
|
|
" This program is distributed in the hope that it will be useful,\n"
|
|
" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
|
|
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
|
|
" GNU General Public License for more details.\n"
|
|
"\n"
|
|
" You should have received a copy of the GNU General Public License\n"
|
|
" along with this program; if not, write to the Free Software\n"
|
|
" Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA\n"
|
|
;
|
|
|
|
const char VERSION[] = "$Name: $ $State: Exp $";
|
|
|
|
# include <stdio.h>
|
|
# include <stdlib.h>
|
|
#ifdef HAVE_MALLOC_H
|
|
# include <malloc.h>
|
|
#endif
|
|
# include <unistd.h>
|
|
# include <string.h>
|
|
# include <ctype.h>
|
|
#if defined(HAVE_GETOPT_H)
|
|
# include <getopt.h>
|
|
#endif
|
|
# include "globals.h"
|
|
|
|
#if defined(__MINGW32__) && !defined(HAVE_GETOPT_H)
|
|
extern int getopt(int argc, char*argv[], const char*fmt);
|
|
extern int optind;
|
|
extern const char*optarg;
|
|
#endif
|
|
/* Path to the dependency file, if there is one. */
|
|
char *dep_path = NULL;
|
|
|
|
/*
|
|
* Keep in source_list an array of pointers to file names. The array
|
|
* is terminated by a pointer to null.
|
|
*/
|
|
static char**source_list = 0;
|
|
static unsigned source_cnt = 0;
|
|
|
|
void add_source_file(const char*name)
|
|
{
|
|
if (source_list == 0) {
|
|
source_list = calloc(2, sizeof(char*));
|
|
source_list[0] = strdup(name);
|
|
source_list[1] = 0;
|
|
source_cnt = 1;
|
|
} else {
|
|
source_list = realloc(source_list, sizeof(char*) * (source_cnt+2));
|
|
source_list[source_cnt+0] = strdup(name);
|
|
source_list[source_cnt+1] = 0;
|
|
source_cnt += 1;
|
|
}
|
|
}
|
|
|
|
char**include_dir = 0;
|
|
unsigned include_cnt = 0;
|
|
|
|
int line_direct_flag = 0;
|
|
|
|
unsigned error_count = 0;
|
|
FILE *depend_file = NULL;
|
|
|
|
static int flist_read_flags(const char*path)
|
|
{
|
|
char line_buf[2048];
|
|
FILE*fd = fopen(path, "r");
|
|
if (fd == 0) {
|
|
fprintf(stderr, "%s: unable to open for reading.\n", path);
|
|
return -1;
|
|
}
|
|
|
|
while (fgets(line_buf, sizeof line_buf, fd) != 0) {
|
|
/* Skip leading white space. */
|
|
char*cp = line_buf + strspn(line_buf, " \t\r\b\f");
|
|
/* Remove trailing white space. */
|
|
char*tail = cp + strlen(cp);
|
|
while (tail > cp) {
|
|
if (! isspace(tail[-1]))
|
|
break;
|
|
tail -= 1;
|
|
tail[0] = 0;
|
|
}
|
|
|
|
/* Skip empty lines */
|
|
if (*cp == 0)
|
|
continue;
|
|
/* Skip comment lines */
|
|
if (cp[0] == '#')
|
|
continue;
|
|
|
|
/* The arg points to the argument to the keyword. */
|
|
char*arg = strchr(cp, ':');
|
|
if (arg) *arg++ = 0;
|
|
|
|
if (strcmp(cp,"D") == 0) {
|
|
char*val = strchr(arg, '=');
|
|
if (val)
|
|
*val++ = 0;
|
|
else
|
|
val = "1";
|
|
|
|
define_macro(arg, val, 0, 0);
|
|
|
|
} else if (strcmp(cp,"I") == 0) {
|
|
include_dir = realloc(include_dir,
|
|
(include_cnt+1)*sizeof(char*));
|
|
include_dir[include_cnt] = strdup(arg);
|
|
include_cnt += 1;
|
|
|
|
} else if (strcmp(cp,"keyword") == 0) {
|
|
char*buf = malloc(strlen(arg) + 2);
|
|
buf[0] = '`';
|
|
strcpy(buf+1, optarg);
|
|
define_macro(optarg, buf, 1, 0);
|
|
free(buf);
|
|
|
|
} else if (strcmp(cp,"M") == 0) {
|
|
if (dep_path) {
|
|
fprintf(stderr, "duplicate -M flag.\n");
|
|
} else {
|
|
dep_path = strdup(arg);
|
|
}
|
|
|
|
} else {
|
|
fprintf(stderr, "%s: Invalid keyword %s\n", path, cp);
|
|
}
|
|
}
|
|
|
|
fclose(fd);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* This function reads from a file a list of file names. Each name
|
|
* starts with the first non-space character, and ends with the last
|
|
* non-space character. Spaces in the middle are OK.
|
|
*/
|
|
static int flist_read_names(const char*path)
|
|
{
|
|
char line_buf[2048];
|
|
|
|
FILE*fd = fopen(path, "r");
|
|
if (fd == 0) {
|
|
fprintf(stderr, "%s: unable to open for reading.\n", path);
|
|
return 1;
|
|
}
|
|
|
|
while (fgets(line_buf, sizeof line_buf, fd) != 0) {
|
|
char*cp = line_buf + strspn(line_buf, " \t\r\b\f");
|
|
char*tail = cp + strlen(cp);
|
|
while (tail > cp) {
|
|
if (! isspace(tail[-1]))
|
|
break;
|
|
tail -= 1;
|
|
tail[0] = 0;
|
|
}
|
|
|
|
if (cp < tail)
|
|
add_source_file(cp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char*argv[])
|
|
{
|
|
int opt, idx;
|
|
const char*flist_path = 0;
|
|
unsigned flag_errors = 0;
|
|
char*out_path = 0;
|
|
FILE*out;
|
|
|
|
/* Define preprocessor keywords that I plan to just pass. */
|
|
define_macro("celldefine", "`celldefine", 1, 0);
|
|
define_macro("default_nettype", "`default_nettype", 1, 0);
|
|
define_macro("delay_mode_distributed", "`delay_mode_distributed", 1, 0);
|
|
define_macro("delay_mode_unit", "`delay_mode_unit", 1, 0);
|
|
define_macro("delay_mode_path", "`delay_mode_path", 1, 0);
|
|
define_macro("disable_portfaults", "`disable_portfaults", 1, 0);
|
|
define_macro("enable_portfaults", "`enable_portfaults", 1, 0);
|
|
define_macro("endcelldefine", "`endcelldefine", 1, 0);
|
|
define_macro("endprotect", "`endprotect", 1, 0);
|
|
define_macro("nosuppress_faults", "`nosuppress_faults", 1, 0);
|
|
define_macro("nounconnected_drive", "`nounconnected_drive", 1, 0);
|
|
define_macro("protect", "`protect", 1, 0);
|
|
define_macro("resetall", "`resetall", 1, 0);
|
|
define_macro("suppress_faults", "`suppress_faults", 1, 0);
|
|
define_macro("timescale", "`timescale", 1, 0);
|
|
define_macro("unconnected_drive", "`unconnected_drive", 1, 0);
|
|
define_macro("uselib", "`uselib", 1, 0);
|
|
|
|
include_cnt = 2;
|
|
include_dir = malloc(include_cnt*sizeof(char*));
|
|
include_dir[0] = 0; /* 0 is reserved for the current files path. */
|
|
include_dir[1] = strdup(".");
|
|
|
|
while ((opt=getopt(argc, argv, "F:f:K:Lo:v")) != EOF) switch (opt) {
|
|
|
|
case 'F':
|
|
flist_read_flags(optarg);
|
|
break;
|
|
|
|
case 'f':
|
|
if (flist_path) {
|
|
fprintf(stderr, "%s: duplicate -f flag\n", argv[0]);
|
|
flag_errors += 1;
|
|
}
|
|
flist_path = optarg;
|
|
break;
|
|
|
|
case 'K': {
|
|
char*buf = malloc(strlen(optarg) + 2);
|
|
buf[0] = '`';
|
|
strcpy(buf+1, optarg);
|
|
define_macro(optarg, buf, 1, 0);
|
|
free(buf);
|
|
break;
|
|
}
|
|
|
|
case 'L':
|
|
line_direct_flag = 1;
|
|
break;
|
|
|
|
case 'o':
|
|
if (out_path) {
|
|
fprintf(stderr, "duplicate -o flag.\n");
|
|
} else {
|
|
out_path = optarg;
|
|
}
|
|
break;
|
|
|
|
case 'v':
|
|
fprintf(stderr, "Icarus Verilog Preprocessor version %s\n",
|
|
VERSION);
|
|
fprintf(stderr, "%s\n", COPYRIGHT);
|
|
fputs(NOTICE, stderr);
|
|
break;
|
|
|
|
default:
|
|
flag_errors += 1;
|
|
break;
|
|
}
|
|
|
|
if (flag_errors) {
|
|
fprintf(stderr, "\nUsage: %s [-v][-L][-F<fil>][-f<fil>] <file>...\n"
|
|
" -F<fil> - Get defines and includes from file\n"
|
|
" -f<fil> - Read the sources listed in the file\n"
|
|
" -K<def> - Define a keyword macro that I just pass\n"
|
|
" -L - Emit line number directives\n"
|
|
" -o<fil> - Send the output to <fil>\n"
|
|
" -v - Print version information\n",
|
|
argv[0]);
|
|
return flag_errors;
|
|
}
|
|
|
|
/* Collect the file names on the command line in the source
|
|
file list, then if there is a file list, read more file
|
|
names from there. */
|
|
for (idx = optind ; idx < argc ; idx += 1)
|
|
add_source_file(argv[idx]);
|
|
|
|
|
|
if (flist_path) {
|
|
int rc = flist_read_names(flist_path);
|
|
if (rc != 0)
|
|
return rc;
|
|
}
|
|
|
|
/* Figure out what to use for an output file. Write to stdout
|
|
if no path is specified. */
|
|
if (out_path) {
|
|
out = fopen(out_path, "w");
|
|
if (out == 0) {
|
|
perror(out_path);
|
|
exit(1);
|
|
}
|
|
} else {
|
|
out = stdout;
|
|
}
|
|
|
|
if(dep_path) {
|
|
depend_file = fopen(dep_path, "w");
|
|
if (depend_file == 0) {
|
|
perror(dep_path);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (source_cnt == 0) {
|
|
fprintf(stderr, "%s: No input files given.\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
/* Pass to the lexical analyzer the list of input file, and
|
|
start the parser. */
|
|
reset_lexor(out, source_list);
|
|
if (yyparse()) return -1;
|
|
|
|
if(depend_file) {
|
|
fclose(depend_file);
|
|
}
|
|
|
|
return error_count;
|
|
}
|