243 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			243 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 1998-2002 Kungliga Tekniska Högskolan
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|  * (Royal Institute of Technology, Stockholm, Sweden).
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in the
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|  *    documentation and/or other materials provided with the distribution.
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|  *
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|  * 3. Neither the name of the Institute nor the names of its contributors
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|  *    may be used to endorse or promote products derived from this software
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|  *    without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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|  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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|  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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|  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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|  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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|  * SUCH DAMAGE.
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|  */
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| 
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| #undef ROKEN_RENAME
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| 
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| #include "config.h"
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| 
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| #include "compile_et.h"
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| #include <getarg.h>
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| 
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| #include <roken.h>
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| #include <err.h>
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| #include "parse.h"
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| 
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| int numerror;
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| extern FILE *yyin;
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| 
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| extern void yyparse(void);
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| 
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| long base_id;
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| int number;
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| char *prefix;
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| char *id_str;
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| 
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| char name[128];
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| char Basename[128];
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| 
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| #ifdef YYDEBUG
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| extern int yydebug = 1;
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| #endif
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| 
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| char *filename;
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| char hfn[128];
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| char cfn[128];
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| 
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| struct error_code *codes = NULL;
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| 
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| static int
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| generate_c(void)
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| {
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|     int n;
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|     struct error_code *ec;
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| 
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|     FILE *c_file = fopen(cfn, "w");
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|     if(c_file == NULL)
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| 	return 1;
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| 
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|     fprintf(c_file, "/* Generated from %s */\n", filename);
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|     if(id_str)
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| 	fprintf(c_file, "/* %s */\n", id_str);
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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 <com_err.h>\n");
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|     fprintf(c_file, "#include \"%s\"\n", hfn);
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|     fprintf(c_file, "\n");
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|     fprintf(c_file, "#define N_(x) (x)\n");
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|     fprintf(c_file, "\n");
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| 
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|     fprintf(c_file, "static const char *%s_error_strings[] = {\n", name);
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| 
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|     for(ec = codes, n = 0; ec; ec = ec->next, n++) {
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| 	while(n < ec->number) {
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| 	    fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n",
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| 		    n, name, n);
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| 	    n++;
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| 	
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| 	}
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| 	fprintf(c_file, "\t/* %03d */ N_(\"%s\"),\n",
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| 		ec->number, ec->string);
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|     }
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| 
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|     fprintf(c_file, "\tNULL\n");
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|     fprintf(c_file, "};\n");
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|     fprintf(c_file, "\n");
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|     fprintf(c_file, "#define num_errors %d\n", number);
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|     fprintf(c_file, "\n");
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|     fprintf(c_file,
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| 	    "void initialize_%s_error_table_r(struct et_list **list)\n",
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| 	    name);
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|     fprintf(c_file, "{\n");
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|     fprintf(c_file,
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| 	    "    initialize_error_table_r(list, %s_error_strings, "
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| 	    "num_errors, ERROR_TABLE_BASE_%s);\n", name, name);
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|     fprintf(c_file, "}\n");
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|     fprintf(c_file, "\n");
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|     fprintf(c_file, "void initialize_%s_error_table(void)\n", name);
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|     fprintf(c_file, "{\n");
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|     fprintf(c_file,
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| 	    "    init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, "
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| 	    "num_errors);\n", name, name);
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|     fprintf(c_file, "}\n");
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| 
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|     fclose(c_file);
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|     return 0;
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| }
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| 
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| static int
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| generate_h(void)
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| {
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|     struct error_code *ec;
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|     char fn[128];
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|     FILE *h_file = fopen(hfn, "w");
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|     char *p;
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| 
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|     if(h_file == NULL)
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| 	return 1;
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| 
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|     snprintf(fn, sizeof(fn), "__%s__", hfn);
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|     for(p = fn; *p; p++)
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| 	if(!isalnum((unsigned char)*p))
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| 	    *p = '_';
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| 
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|     fprintf(h_file, "/* Generated from %s */\n", filename);
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|     if(id_str)
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| 	fprintf(h_file, "/* %s */\n", id_str);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "#ifndef %s\n", fn);
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|     fprintf(h_file, "#define %s\n", fn);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "struct et_list;\n");
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|     fprintf(h_file, "\n");
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|     fprintf(h_file,
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| 	    "void initialize_%s_error_table_r(struct et_list **);\n",
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| 	    name);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "void initialize_%s_error_table(void);\n", name);
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|     fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n",
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| 	    name, name);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "typedef enum %s_error_number{\n", name);
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| 
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|     for(ec = codes; ec; ec = ec->next) {
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| 	fprintf(h_file, "\t%s = %ld%s\n", ec->name, base_id + ec->number,
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| 		(ec->next != NULL) ? "," : "");
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|     }
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| 
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|     fprintf(h_file, "} %s_error_number;\n", name);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base_id);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "#define COM_ERR_BINDDOMAIN_%s \"heim_com_err%ld\"\n", name, base_id);
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|     fprintf(h_file, "\n");
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|     fprintf(h_file, "#endif /* %s */\n", fn);
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| 
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| 
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|     fclose(h_file);
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|     return 0;
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| }
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| 
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| static int
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| generate(void)
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| {
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|     return generate_c() || generate_h();
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| }
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| 
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| int version_flag;
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| int help_flag;
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| struct getargs args[] = {
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|     { "version", 0, arg_flag, &version_flag },
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|     { "help", 0, arg_flag, &help_flag }
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| };
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| int num_args = sizeof(args) / sizeof(args[0]);
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| 
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| static void
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| usage(int code)
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| {
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|     arg_printusage(args, num_args, NULL, "error-table");
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|     exit(code);
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| }
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| 
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| int
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| main(int argc, char **argv)
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| {
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|     char *p;
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|     int optidx = 0;
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| 
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|     setprogname(argv[0]);
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|     if(getarg(args, num_args, argc, argv, &optidx))
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| 	usage(1);
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|     if(help_flag)
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| 	usage(0);
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|     if(version_flag) {
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| 	print_version(NULL);
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| 	exit(0);
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|     }
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| 
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|     if(optidx == argc)
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| 	usage(1);
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|     filename = argv[optidx];
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|     yyin = fopen(filename, "r");
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|     if(yyin == NULL)
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| 	err(1, "%s", filename);
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| 	
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| 
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|     p = strrchr(filename, rk_PATH_DELIM);
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|     if(p)
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| 	p++;
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|     else
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| 	p = filename;
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|     strlcpy(Basename, p, sizeof(Basename));
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| 
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|     Basename[strcspn(Basename, ".")] = '\0';
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| 
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|     snprintf(hfn, sizeof(hfn), "%s.h", Basename);
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|     snprintf(cfn, sizeof(cfn), "%s.c", Basename);
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| 
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|     yyparse();
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|     if(numerror)
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| 	return 1;
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| 
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|     return generate();
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| }
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