mpir/yasm/modules/preprocs/nasm/genmacro.c

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/* $Id: genmacro.c 1827 2007-04-22 05:09:49Z peter $
*
* C version of NASM's macros.pl
*
* Copyright (C) 2004-2007 Peter Johnson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define OUTPUT "nasm-macros.c"
#define MAXLINE 1024
int
main(int argc, char *argv[])
{
FILE *in, *out;
int i;
char *str;
char *strp;
char *charp;
int fline;
int line = 0;
int lindex = 0;
int tasm_count = -1;
size_t len;
if (argc < 2) {
fprintf(stderr, "Usage: %s <file> [<file> ...]\n", argv[0]);
return EXIT_FAILURE;
}
out = fopen(OUTPUT, "wt");
if (!out) {
fprintf(stderr, "Could not open `%s'.\n", OUTPUT);
return EXIT_FAILURE;
}
str = malloc(MAXLINE);
fprintf(out, "/* This file auto-generated from standard.mac by genmacro.c"
" - don't edit it */\n\n#include <stddef.h>\n\n"
"static const char *stdmac[] = {\n");
for (i=1; i<argc; i++) {
in = fopen(argv[i], "rt");
if (!in) {
fprintf(stderr, "Could not open `%s'.\n", argv[i]);
fclose(out);
remove(OUTPUT);
return EXIT_FAILURE;
}
fline = 0;
while (fgets(str, MAXLINE, in)) {
line++;
fline++;
strp = str;
/* check for unterminated quotes and delete comments */
charp = strp;
while ((charp = strpbrk(charp, "'\";"))) {
if (charp[0] == ';') {
*charp = '\0';
break;
}
if ((charp = strchr(charp+1, charp[0])) == NULL) {
fprintf(stderr, "%s:%d: error: unterminated quote\n",
argv[i], fline);
fclose(out);
remove(OUTPUT);
return EXIT_FAILURE;
}
charp++;
}
/* strip off leading and trailing whitespace */
while (*strp == ' ' || *strp == '\t')
strp++;
len = strlen(strp);
while (len > 0 && (strp[len-1] == ' ' || strp[len-1] == '\t' ||
strp[len-1] == '\n')) {
strp[len-1] = '\0';
len--;
}
/* skip blank lines */
if (len == 0)
continue;
/* check for special TASM ending token */
if (strcmp(strp, "*END*TASM*MACROS*") == 0) {
tasm_count = lindex;
continue;
}
/* output as string to output file */
fprintf(out, " \"");
while (*strp != '\0') {
if (*strp == '\\' || *strp == '"')
fputc('\\', out);
fputc(*strp, out);
strp++;
}
fprintf(out, "\",\n");
lindex++;
}
fclose(in);
}
fprintf(out, " NULL\n};\n");
if (tasm_count == -1)
tasm_count = lindex;
fprintf(out, "#define TASM_MACRO_COUNT %d\n", tasm_count);
fclose(out);
free(str);
return EXIT_SUCCESS;
}