#include <stdio.h>
#include <sys/types.h>
#include <sys/file.h>
#include <string.h>
#include <sys/param.h>
#include <stdlib.h>
#include <errno.h>
#include "mit-sipb-copyright.h"
#include "compiler.h"
#ifndef lint
static const char copyright[] =
"Copyright 1987,1988 by MIT Student Information Processing Board";
#endif
extern char *gensym();
extern char *current_token;
extern int table_number, current;
char buffer[BUFSIZ];
char *table_name = (char *)NULL;
FILE *hfile, *cfile;
extern FILE *yyin;
extern int yylineno;
char * xmalloc (size) unsigned int size; {
char * p = malloc (size);
if (!p) {
perror (whoami);
exit (1);
}
return p;
}
static int check_arg (str_list, arg) char const *const *str_list, *arg; {
while (*str_list)
if (!strcmp(arg, *str_list++))
return 1;
return 0;
}
static const char *const debug_args[] = {
"d",
"debug",
0,
};
static const char *const lang_args[] = {
"lang",
"language",
0,
};
static const char *const language_names[] = {
"C",
"K&R C",
"C++",
0,
};
static const char * const c_src_prolog[] = {
"static const char * const text[] = {\n",
0,
};
static const char * const krc_src_prolog[] = {
"#if defined(__STDC__) || defined(_WIN32)\n",
"#define NOARGS void\n",
"#else\n",
"#define NOARGS\n",
"#define const\n",
"#endif\n\n",
"static const char * const text[] = {\n",
0,
};
static const char *const struct_def[] = {
"struct error_table {\n",
" char const * const * msgs;\n",
" long base;\n",
" int n_msgs;\n",
"};\n",
"struct et_list {\n",
" struct et_list *next;\n",
" const struct error_table * table;\n",
"};\n",
"extern struct et_list *_et_list;\n",
"\n", 0,
};
static const char warning[] =
"/*\n * %s:\n * This file is automatically generated; please do not edit it.\n */\n";
char c_file[MAXPATHLEN];
char h_file[MAXPATHLEN];
static void usage () {
fprintf (stderr, "%s: usage: %s ERROR_TABLE\n",
whoami, whoami);
exit (1);
}
static void dup_err (type, one, two) char const *type, *one, *two; {
fprintf (stderr, "%s: multiple %s specified: `%s' and `%s'\n",
whoami, type, one, two);
usage ();
}
int main (argc, argv) int argc; char **argv; {
char *p, *ename;
int len;
char const * const *cpp;
int got_language = 0;
debug = 0;
filename = 0;
whoami = argv[0];
p = strrchr (whoami, '/');
if (p)
whoami = p+1;
while (argv++, --argc) {
char *arg = *argv;
if (arg[0] != '-') {
if (filename)
dup_err ("filenames", filename, arg);
filename = arg;
}
else {
arg++;
if (check_arg (debug_args, arg))
debug++;
else if (check_arg (lang_args, arg)) {
got_language++;
arg = *++argv, argc--;
if (!arg)
usage ();
if (language)
dup_err ("languanges", language_names[(int)language], arg);
#define check_lang(x,v) else if (!strcasecmp(arg,x)) language = v
check_lang ("c", lang_C);
check_lang ("ansi_c", lang_C);
check_lang ("ansi-c", lang_C);
check_lang ("krc", lang_KRC);
check_lang ("kr_c", lang_KRC);
check_lang ("kr-c", lang_KRC);
check_lang ("k&r-c", lang_KRC);
check_lang ("k&r_c", lang_KRC);
check_lang ("c++", lang_CPP);
check_lang ("cplusplus", lang_CPP);
check_lang ("c-plus-plus", lang_CPP);
#undef check_lang
else {
fprintf (stderr, "%s: unknown language name `%s'\n",
whoami, arg);
fprintf (stderr, "\tpick one of: C K&R-C\n");
exit (1);
}
}
else {
fprintf (stderr, "%s: unknown control argument -`%s'\n",
whoami, arg);
usage ();
}
}
}
if (!filename)
usage ();
if (!got_language)
language = lang_KRC;
else if (language == lang_CPP) {
fprintf (stderr, "%s: Sorry, C++ support is not yet finished.\n",
whoami);
exit (1);
}
p = xmalloc (strlen (filename) + 5);
strcpy (p, filename);
filename = p;
p = strrchr(filename, '/');
if (p == (char *)NULL)
p = filename;
else
p++;
ename = p;
len = strlen (ename);
p += len - 3;
if (strcmp (p, ".et"))
p += 3;
*p++ = '.';
strcpy (p, "c");
strcpy (c_file, ename);
*p = 'h';
strcpy (h_file, ename);
strcpy (p, "et");
yyin = fopen(filename, "r");
if (!yyin) {
perror(filename);
exit(1);
}
hfile = fopen(h_file, "w");
if (hfile == (FILE *)NULL) {
perror(h_file);
exit(1);
}
fprintf (hfile, warning, h_file);
cfile = fopen(c_file, "w");
if (cfile == (FILE *)NULL) {
perror(c_file);
exit(1);
}
fprintf (cfile, warning, c_file);
if (language == lang_C)
cpp = c_src_prolog;
else if (language == lang_KRC)
cpp = krc_src_prolog;
else
abort ();
while (*cpp)
fputs (*cpp++, cfile);
yyparse();
fclose(yyin);
fputs (" 0\n};\n\n", cfile);
for (cpp = struct_def; *cpp; cpp++)
fputs (*cpp, cfile);
fprintf(cfile,
"const struct error_table et_%s_error_table = { text, %ldL, %d };\n\n",
table_name, table_number, current);
fputs("static struct et_list link = { 0, 0 };\n\n",
cfile);
fprintf(cfile, "void initialize_%s_error_table (%s) {\n",
table_name, (language == lang_C) ? "void" : "NOARGS");
fputs(" if (!link.table) {\n", cfile);
fputs(" link.next = _et_list;\n", cfile);
fprintf(cfile, " link.table = &et_%s_error_table;\n", table_name);
fputs(" _et_list = &link;\n", cfile);
fputs(" }\n", cfile);
fputs("}\n", cfile);
fclose(cfile);
fprintf (hfile, "extern void initialize_%s_error_table ();\n",
table_name);
fprintf (hfile, "#define ERROR_TABLE_BASE_%s (%ldL)\n",
table_name, table_number);
fprintf (hfile, "\n/* for compatibility with older versions... */\n");
fprintf (hfile, "#define init_%s_err_tbl initialize_%s_error_table\n",
table_name, table_name);
fprintf (hfile, "#define %s_err_base ERROR_TABLE_BASE_%s\n", table_name,
table_name);
fclose(hfile);
return 0;
}
int yyerror(s) char *s; {
fputs(s, stderr);
#ifdef NO_YYLINENO
fprintf(stderr, "\nLast token was '%s'\n", current_token);
#else
fprintf(stderr, "\nLine number %d; last token was '%s'\n",
yylineno, current_token);
#endif
}
#ifdef NEED_STRCASECMP
static char charmap[] = {
'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
'\300', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
'\370', '\371', '\372', '\333', '\334', '\335', '\336', '\337',
'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
};
strcasecmp(s1, s2)
register char *s1, *s2;
{
register char *cm = charmap;
while (cm[*s1] == cm[*s2++])
if (*s1++ == '\0')
return(0);
return(cm[*s1] - cm[*--s2]);
}
#endif