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A mk_cmds clone that creates SL structures.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4400 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1998-02-15 04:15:49 +00:00
parent cce98d71a9
commit 72357aa510
4 changed files with 590 additions and 0 deletions
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119
lib/sl/lex.l Normal file
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%{
/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* 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.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND 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 INSTITUTE OR 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 "make_cmds.h"
#include "parse.h"
RCSID("$Id$");
static unsigned lineno = 1;
void error_message(char *, ...);
int getstring(void);
%}
%%
command_table { return TABLE; }
request { return REQUEST; }
unknown { return UNKNOWN; }
unimplemented { return UNIMPLEMENTED; }
end { return END; }
#[^\n]* ;
[ \t] ;
\n { lineno++; }
\" { return getstring(); }
[a-zA-Z0-9_]+ { yylval.string = strdup(yytext); return STRING; }
. { return *yytext; }
%%
#ifndef yywrap /* XXX */
int
yywrap ()
{
return 1;
}
#endif
int
getstring(void)
{
char x[128];
int i = 0;
int c;
int backslash = 0;
while((c = getc(yyin)) != EOF){
if(backslash) {
if(c == 'n')
c = '\n';
else if(c == 't')
c = '\t';
x[i++] = c;
backslash = 0;
continue;
}
if(c == '\n'){
error_message("unterminated string");
lineno++;
break;
}
if(c == '\\'){
backslash++;
continue;
}
if(c == '\"')
break;
x[i++] = c;
}
x[i] = '\0';
yylval.string = strdup(x);
return STRING;
}
void
error_message (char *format, ...)
{
va_list args;
va_start (args, format);
fprintf (stderr, "%s:%d: ", filename, lineno);
vfprintf (stderr, format, args);
va_end (args);
numerror++;
}

206
lib/sl/make_cmds.c Normal file
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/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* 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.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND 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 INSTITUTE OR 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 "make_cmds.h"
RCSID("$Id$");
#include <roken.h>
#include "parse.h"
int numerror;
extern FILE *yyin;
FILE *c_file;
extern void yyparse(void);
#ifdef YYDEBUG
extern int yydebug = 1;
#endif
char *filename;
char *table_name;
static struct command_list *commands;
void
add_command(char *function,
char *help,
struct string_list *aliases,
unsigned flags)
{
struct command_list *cl = malloc(sizeof(*cl));
cl->function = function;
cl->help = help;
cl->aliases = aliases;
cl->flags = flags;
cl->next = NULL;
if(commands) {
*commands->tail = cl;
commands->tail = &cl->next;
return;
}
cl->tail = &cl->next;
commands = cl;
}
static char *
quote(const char *str)
{
char buf[1024]; /* XXX */
const char *p;
char *q;
q = buf;
*q++ = '\"';
for(p = str; *p != '\0'; p++) {
if(*p == '\n') {
*q++ = '\\';
*q++ = 'n';
continue;
}
if(*p == '\t') {
*q++ = '\\';
*q++ = 't';
continue;
}
if(*p == '\"' || *p == '\\')
*q++ = '\\';
*q++ = *p;
}
*q++ = '\"';
*q++ = '\0';
return strdup(buf);
}
static void
generate_commands(void)
{
char base[128];
char cfn[128];
const char *p;
p = strrchr(table_name, '/');
if(p == NULL)
p = table_name;
else
p++;
strcpy(base, p);
p = strrchr(base, '.');
if(p)
*p == '\0';
snprintf(cfn, sizeof(cfn), "%s.c", base);
c_file = fopen(cfn, "w");
fprintf(c_file, "/* Generated from %s */\n", filename);
fprintf(c_file, "\n");
fprintf(c_file, "#include <stddef.h>\n");
fprintf(c_file, "#include <sl.h>\n");
fprintf(c_file, "\n");
{
struct string_list *sl;
struct command_list *cl, *xl;
char *p, *q;
for(cl = commands; cl; cl = cl->next) {
for(xl = commands; xl != cl; xl = xl->next)
if(strcmp(cl->function, xl->function) == 0)
break;
if(xl != cl)
continue;
/* XXX hack for ss_quit */
if(strcmp(cl->function, "ss_quit") == 0) {
fprintf(c_file, "int %s (int, char**);\n", cl->function);
fprintf(c_file, "#define _ss_quit_wrap ss_quit\n\n",
cl->function, cl->function);
continue;
}
fprintf(c_file, "void %s (int, char**);\n", cl->function);
fprintf(c_file, "static int _%s_wrap (int argc, char **argv)\n",
cl->function);
fprintf(c_file, "{\n");
fprintf(c_file, " %s (argc, argv);\n", cl->function);
fprintf(c_file, " return 0;\n");
fprintf(c_file, "}\n\n");
}
fprintf(c_file, "SL_cmd %s[] = {\n", table_name);
for(cl = commands; cl; cl = cl->next) {
p = quote(cl->function);
q = quote(cl->help);
fprintf(c_file, " { %s, _%s_wrap, %s },\n", p, cl->function, q);
free(p);
free(q);
for(sl = cl->aliases; sl; sl = sl->next) {
p = quote(sl->string);
fprintf(c_file, " { %s },\n", p);
free(p);
}
}
fprintf(c_file, " { NULL },\n");
fprintf(c_file, "};\n");
fprintf(c_file, "\n");
}
fclose(c_file);
}
int
main(int argc, char **argv)
{
char *p;
set_progname(argv[0]);
if(argc != 2) {
fprintf(stderr, "Usage: %s command_table\n", __progname);
exit(1);
}
filename = argv[1];
yyin = fopen(filename, "r");
if(yyin == NULL)
err(1, "%s", filename);
yyparse();
generate_commands();
if(numerror)
return 1;
return 0;
}

74
lib/sl/make_cmds.h Normal file
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/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* 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.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND 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 INSTITUTE OR 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.
*/
/* $Id$ */
#ifndef __MAKE_CMDS_H__
#define __MAKE_CMDS_H__
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
extern char *filename;
extern char *table_name;
extern int numerror;
struct command_list {
char *function;
char *help;
struct string_list *aliases;
unsigned flags;
struct command_list *next;
struct command_list **tail;
};
struct string_list {
char *string;
struct string_list *next;
struct string_list **tail;
};
void add_command(char*, char*, struct string_list*, unsigned);
#endif /* __MAKE_CMDS_H__ */

191
lib/sl/parse.y Normal file
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%{
/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* 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.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND 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 INSTITUTE OR 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 "make_cmds.h"
RCSID("$Id$");
void yyerror (char *s);
long name2number(const char *str);
struct string_list* append_string(struct string_list*, char*);
void free_string_list(struct string_list *list);
unsigned string_to_flag(const char *);
%}
%union {
char *string;
unsigned number;
struct string_list *list;
}
%token TABLE REQUEST UNKNOWN UNIMPLEMENTED END
%token <string> STRING
%type <number> flag flags
%type <list> aliases
%%
file : /* */
| statements
;
statements : statement
| statements statement
;
statement : TABLE STRING ';'
{
table_name = $2;
}
| REQUEST STRING ',' STRING ',' aliases ',' '(' flags ')' ';'
{
add_command($2, $4, $6, $9);
}
| REQUEST STRING ',' STRING ',' aliases ';'
{
add_command($2, $4, $6, 0);
}
| UNIMPLEMENTED STRING ',' STRING ',' aliases ';'
{
free($2);
free($4);
free_string_list($6);
}
| UNKNOWN aliases ';'
{
free_string_list($2);
}
| END ';'
{
return;
}
;
aliases : STRING
{
$$ = append_string(NULL, $1);
}
| aliases ',' STRING
{
$$ = append_string($1, $3);
}
;
flags : flag
{
$$ = $1;
}
| flags ',' flag
{
$$ = $1 | $3;
}
;
flag : STRING
{
$$ = string_to_flag($1);
free($1);
}
;
%%
long
name2number(const char *str)
{
const char *p;
long base = 0;
const char *x = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz0123456789_";
if(strlen(str) > 4) {
yyerror("table name too long");
return 0;
}
for(p = str; *p; p++){
char *q = strchr(x, *p);
if(q == NULL) {
yyerror("invalid character in table name");
return 0;
}
base = (base << 6) + (q - x) + 1;
}
base <<= 8;
if(base > 0x7fffffff)
base = -(0xffffffff - base + 1);
return base;
}
void
yyerror (char *s)
{
error_message ("%s\n", s);
}
struct string_list*
append_string(struct string_list *list, char *str)
{
struct string_list *sl = malloc(sizeof(*sl));
sl->string = str;
sl->next = NULL;
if(list) {
*list->tail = sl;
list->tail = &sl->next;
return list;
}
sl->tail = &sl->next;
return sl;
}
void
free_string_list(struct string_list *list)
{
while(list) {
struct string_list *sl = list->next;
free(list->string);
free(list);
list = sl;
}
}
unsigned
string_to_flag(const char *string)
{
return 0;
}