234 lines
6.0 KiB
C
234 lines
6.0 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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/* $FreeBSD$ */
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#undef ROKEN_RENAME
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#include "compile_et.h"
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#include <getarg.h>
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#if 0
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RCSID("$Id: compile_et.c,v 1.16 2002/08/20 12:44:51 joda Exp $");
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#endif
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#include <err.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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extern void yyparse(void);
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long base;
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int number;
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char *prefix;
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char *id_str;
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char name[128];
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char Basename[128];
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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 hfn[128];
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char cfn[128];
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struct error_code *codes = NULL;
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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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FILE *c_file = fopen(cfn, "w");
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if(c_file == NULL)
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return 1;
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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, "static const char *%s_error_strings[] = {\n", name);
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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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fprintf(c_file, "\t/* %03d */ \"%s\",\n", ec->number, ec->string);
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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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fclose(c_file);
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return 0;
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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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if(h_file == NULL)
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return 1;
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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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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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for(ec = codes; ec; ec = ec->next) {
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fprintf(h_file, "\t%s = %ld%s\n", ec->name, base + ec->number,
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(ec->next != NULL) ? "," : "");
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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);
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fprintf(h_file, "\n");
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fprintf(h_file, "#endif /* %s */\n", fn);
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fclose(h_file);
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return 0;
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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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int help_flag;
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struct getargs args[] = {
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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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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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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 optind = 0;
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setprogname(argv[0]);
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if(getarg(args, num_args, argc, argv, &optind))
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usage(1);
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if(help_flag)
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usage(0);
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if(optind == argc)
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usage(1);
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filename = argv[optind];
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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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p = strrchr(filename, '/');
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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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strncpy(Basename, p, sizeof(Basename));
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Basename[sizeof(Basename) - 1] = '\0';
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Basename[strcspn(Basename, ".")] = '\0';
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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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yyparse();
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if(numerror)
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return 1;
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return generate();
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}
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