A mk_cmds clone that creates SL structures.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4400 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
119
lib/sl/lex.l
Normal file
119
lib/sl/lex.l
Normal file
@@ -0,0 +1,119 @@
|
||||
%{
|
||||
/*
|
||||
* 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"
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#include "parse.h"
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RCSID("$Id$");
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||||
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static unsigned lineno = 1;
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void error_message(char *, ...);
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int getstring(void);
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%}
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%%
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command_table { return TABLE; }
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request { return REQUEST; }
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unknown { return UNKNOWN; }
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unimplemented { return UNIMPLEMENTED; }
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end { return END; }
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#[^\n]* ;
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[ \t] ;
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\n { lineno++; }
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\" { return getstring(); }
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[a-zA-Z0-9_]+ { yylval.string = strdup(yytext); return STRING; }
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. { return *yytext; }
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%%
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#ifndef yywrap /* XXX */
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int
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yywrap ()
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{
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return 1;
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}
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#endif
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int
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getstring(void)
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{
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char x[128];
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int i = 0;
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int c;
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int backslash = 0;
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while((c = getc(yyin)) != EOF){
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if(backslash) {
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if(c == 'n')
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c = '\n';
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else if(c == 't')
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c = '\t';
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x[i++] = c;
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backslash = 0;
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continue;
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}
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if(c == '\n'){
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error_message("unterminated string");
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lineno++;
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break;
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}
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if(c == '\\'){
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backslash++;
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continue;
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}
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if(c == '\"')
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break;
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x[i++] = c;
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}
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x[i] = '\0';
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yylval.string = strdup(x);
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return STRING;
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}
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void
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error_message (char *format, ...)
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{
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va_list args;
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va_start (args, format);
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fprintf (stderr, "%s:%d: ", filename, lineno);
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vfprintf (stderr, format, args);
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va_end (args);
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numerror++;
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}
|
206
lib/sl/make_cmds.c
Normal file
206
lib/sl/make_cmds.c
Normal file
@@ -0,0 +1,206 @@
|
||||
/*
|
||||
* 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.
|
||||
*/
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||||
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#include "make_cmds.h"
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RCSID("$Id$");
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#include <roken.h>
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#include "parse.h"
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int numerror;
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extern FILE *yyin;
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FILE *c_file;
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extern void yyparse(void);
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#ifdef YYDEBUG
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extern int yydebug = 1;
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#endif
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char *filename;
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char *table_name;
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static struct command_list *commands;
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void
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add_command(char *function,
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char *help,
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struct string_list *aliases,
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unsigned flags)
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||||
{
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struct command_list *cl = malloc(sizeof(*cl));
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cl->function = function;
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cl->help = help;
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cl->aliases = aliases;
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cl->flags = flags;
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cl->next = NULL;
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if(commands) {
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*commands->tail = cl;
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commands->tail = &cl->next;
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return;
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}
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cl->tail = &cl->next;
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commands = cl;
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}
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static char *
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quote(const char *str)
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{
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char buf[1024]; /* XXX */
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||||
const char *p;
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char *q;
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q = buf;
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*q++ = '\"';
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for(p = str; *p != '\0'; p++) {
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if(*p == '\n') {
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*q++ = '\\';
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*q++ = 'n';
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continue;
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}
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if(*p == '\t') {
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*q++ = '\\';
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*q++ = 't';
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continue;
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}
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if(*p == '\"' || *p == '\\')
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*q++ = '\\';
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*q++ = *p;
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}
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*q++ = '\"';
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*q++ = '\0';
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return strdup(buf);
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}
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static void
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generate_commands(void)
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{
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char base[128];
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char cfn[128];
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const char *p;
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p = strrchr(table_name, '/');
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if(p == NULL)
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p = table_name;
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else
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p++;
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strcpy(base, p);
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p = strrchr(base, '.');
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if(p)
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*p == '\0';
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snprintf(cfn, sizeof(cfn), "%s.c", base);
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c_file = fopen(cfn, "w");
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fprintf(c_file, "/* Generated from %s */\n", filename);
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fprintf(c_file, "\n");
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fprintf(c_file, "#include <stddef.h>\n");
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fprintf(c_file, "#include <sl.h>\n");
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fprintf(c_file, "\n");
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{
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struct string_list *sl;
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struct command_list *cl, *xl;
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char *p, *q;
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for(cl = commands; cl; cl = cl->next) {
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for(xl = commands; xl != cl; xl = xl->next)
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if(strcmp(cl->function, xl->function) == 0)
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break;
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if(xl != cl)
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continue;
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/* XXX hack for ss_quit */
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if(strcmp(cl->function, "ss_quit") == 0) {
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fprintf(c_file, "int %s (int, char**);\n", cl->function);
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fprintf(c_file, "#define _ss_quit_wrap ss_quit\n\n",
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cl->function, cl->function);
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continue;
|
||||
}
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fprintf(c_file, "void %s (int, char**);\n", cl->function);
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fprintf(c_file, "static int _%s_wrap (int argc, char **argv)\n",
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cl->function);
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fprintf(c_file, "{\n");
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fprintf(c_file, " %s (argc, argv);\n", cl->function);
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fprintf(c_file, " return 0;\n");
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fprintf(c_file, "}\n\n");
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}
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||||
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fprintf(c_file, "SL_cmd %s[] = {\n", table_name);
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for(cl = commands; cl; cl = cl->next) {
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p = quote(cl->function);
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q = quote(cl->help);
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fprintf(c_file, " { %s, _%s_wrap, %s },\n", p, cl->function, q);
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free(p);
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free(q);
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||||
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for(sl = cl->aliases; sl; sl = sl->next) {
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p = quote(sl->string);
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||||
fprintf(c_file, " { %s },\n", p);
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||||
free(p);
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||||
}
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||||
}
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fprintf(c_file, " { NULL },\n");
|
||||
fprintf(c_file, "};\n");
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||||
fprintf(c_file, "\n");
|
||||
}
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||||
fclose(c_file);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
char *p;
|
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set_progname(argv[0]);
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|
||||
if(argc != 2) {
|
||||
fprintf(stderr, "Usage: %s command_table\n", __progname);
|
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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
74
lib/sl/make_cmds.h
Normal file
@@ -0,0 +1,74 @@
|
||||
/*
|
||||
* 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
191
lib/sl/parse.y
Normal file
@@ -0,0 +1,191 @@
|
||||
%{
|
||||
/*
|
||||
* 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;
|
||||
}
|
Reference in New Issue
Block a user