compile_et.c revision 50880 
1/*
2 * Copyright (c) 1998, 1999 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed by Kungliga Tekniska
20 *      H�gskolan and its contributors.
21 *
22 * 4. Neither the name of the Institute nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 */
38
39#undef ROKEN_RENAME
40#include "compile_et.h"
41#include <getarg.h>
42
43#if 0
44RCSID("$Id: compile_et.c,v 1.12 1999/04/01 09:13:52 joda Exp $");
45#endif
46
47#include <err.h>
48#include "parse.h"
49
50int numerror;
51extern FILE *yyin;
52
53extern void yyparse(void);
54
55long base;
56int number;
57char *prefix;
58char *id_str;
59
60char name[128];
61char Basename[128];
62
63#ifdef YYDEBUG
64extern int yydebug = 1;
65#endif
66
67char *filename;
68char hfn[128];
69char cfn[128];
70
71struct error_code *codes = NULL;
72
73static int
74generate_c(void)
75{
76    int n;
77    struct error_code *ec;
78
79    FILE *c_file = fopen(cfn, "w");
80    if(c_file == NULL)
81	return 1;
82
83    fprintf(c_file, "/* Generated from %s */\n", filename);
84    if(id_str)
85	fprintf(c_file, "/* %s */\n", id_str);
86    fprintf(c_file, "\n");
87    fprintf(c_file, "#include <stddef.h>\n");
88    fprintf(c_file, "#include <com_err.h>\n");
89    fprintf(c_file, "#include \"%s\"\n", hfn);
90    fprintf(c_file, "\n");
91
92    fprintf(c_file, "static const char *text[] = {\n");
93
94    for(ec = codes, n = 0; ec; ec = ec->next, n++) {
95	while(n < ec->number) {
96	    fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n",
97		    n, name, n);
98	    n++;
99
100	}
101	fprintf(c_file, "\t/* %03d */ \"%s\",\n", ec->number, ec->string);
102    }
103
104    fprintf(c_file, "\tNULL\n");
105    fprintf(c_file, "};\n");
106    fprintf(c_file, "\n");
107    fprintf(c_file,
108	    "void initialize_%s_error_table_r(struct et_list **list)\n",
109	    name);
110    fprintf(c_file, "{\n");
111    fprintf(c_file,
112	    "    initialize_error_table_r(list, text, "
113	    "%s_num_errors, ERROR_TABLE_BASE_%s);\n", name, name);
114    fprintf(c_file, "}\n");
115    fprintf(c_file, "\n");
116    fprintf(c_file, "void initialize_%s_error_table(void)\n", name);
117    fprintf(c_file, "{\n");
118    fprintf(c_file,
119	    "    init_error_table(text, ERROR_TABLE_BASE_%s, "
120	    "%s_num_errors);\n", name, name);
121    fprintf(c_file, "}\n");
122
123    fclose(c_file);
124    return 0;
125}
126
127static int
128generate_h(void)
129{
130    struct error_code *ec;
131    char fn[128];
132    FILE *h_file = fopen(hfn, "w");
133    char *p;
134
135    if(h_file == NULL)
136	return 1;
137
138    snprintf(fn, sizeof(fn), "__%s__", hfn);
139    for(p = fn; *p; p++)
140	if(!isalnum((unsigned char)*p))
141	    *p = '_';
142
143    fprintf(h_file, "/* Generated from %s */\n", filename);
144    if(id_str)
145	fprintf(h_file, "/* %s */\n", id_str);
146    fprintf(h_file, "\n");
147    fprintf(h_file, "#ifndef %s\n", fn);
148    fprintf(h_file, "#define %s\n", fn);
149    fprintf(h_file, "\n");
150    fprintf(h_file, "#include <com_right.h>\n");
151    fprintf(h_file, "\n");
152    fprintf(h_file,
153	    "void initialize_%s_error_table_r(struct et_list **);\n",
154	    name);
155    fprintf(h_file, "\n");
156    fprintf(h_file, "void initialize_%s_error_table(void);\n", name);
157    fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n",
158	    name, name);
159    fprintf(h_file, "\n");
160    fprintf(h_file, "typedef enum %s_error_number{\n", name);
161    fprintf(h_file, "\tERROR_TABLE_BASE_%s = %ld,\n", name, base);
162    fprintf(h_file, "\t%s_err_base = %ld,\n", name, base);
163
164    for(ec = codes; ec; ec = ec->next) {
165	fprintf(h_file, "\t%s = %ld,\n", ec->name, base + ec->number);
166    }
167
168    fprintf(h_file, "\t%s_num_errors = %d\n", name, number);
169    fprintf(h_file, "} %s_error_number;\n", name);
170    fprintf(h_file, "\n");
171    fprintf(h_file, "#endif /* %s */\n", fn);
172
173
174    fclose(h_file);
175    return 0;
176}
177
178static int
179generate(void)
180{
181    return generate_c() || generate_h();
182}
183
184int help_flag;
185struct getargs args[] = {
186    { "help", 0, arg_flag, &help_flag }
187};
188int num_args = sizeof(args) / sizeof(args[0]);
189
190static void
191usage(int code)
192{
193    arg_printusage(args, num_args, NULL, "error-table");
194    exit(code);
195}
196
197int
198main(int argc, char **argv)
199{
200    char *p;
201    int optind = 0;
202
203    if(getarg(args, num_args, argc, argv, &optind))
204	usage(1);
205    if(help_flag)
206	usage(0);
207
208    if(optind == argc)
209	usage(1);
210    filename = argv[optind];
211    yyin = fopen(filename, "r");
212    if(yyin == NULL)
213	err(1, "%s", filename);
214
215
216    p = strrchr(filename, '/');
217    if(p)
218	p++;
219    else
220	p = filename;
221    strncpy(Basename, p, sizeof(Basename));
222    Basename[sizeof(Basename) - 1] = '\0';
223
224    Basename[strcspn(Basename, ".")] = '\0';
225
226    snprintf(hfn, sizeof(hfn), "%s.h", Basename);
227    snprintf(cfn, sizeof(cfn), "%s.c", Basename);
228
229    yyparse();
230    if(numerror)
231	return 1;
232
233    return generate();
234}
235