3 * Copyright (c) 1998 - 2000 Kungliga Tekniska Högskolan
4 * (Royal Institute of Technology, Stockholm, Sweden).
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the Institute nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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36 #include "compile_et.h"
39 RCSID("$Id: parse.y 15426 2005-06-16 19:21:42Z lha $");
42 void yyerror (char *s);
43 static long name2number(const char *str);
47 /* This is for bison */
49 #if !defined(alloca) && !defined(HAVE_ALLOCA)
50 #define alloca(x) malloc(x)
60 %token ET INDEX PREFIX EC ID END
61 %token <string> STRING
62 %token <number> NUMBER
82 base_id = name2number($2);
83 strlcpy(name, $2, sizeof(name));
88 base_id = name2number($2);
89 strlcpy(name, $3, sizeof(name));
95 statements : statement
96 | statements statement
99 statement : INDEX NUMBER
106 asprintf (&prefix, "%s_", $2);
113 prefix = realloc(prefix, 1);
118 | EC STRING ',' STRING
120 struct error_code *ec = malloc(sizeof(*ec));
127 if(prefix && *prefix != '\0') {
128 asprintf (&ec->name, "%s%s", prefix, $2);
129 if (ec->name == NULL)
147 name2number(const char *str)
151 const char *x = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
152 "abcdefghijklmnopqrstuvwxyz0123456789_";
153 if(strlen(str) > 4) {
154 yyerror("table name too long");
157 for(p = str; *p; p++){
158 char *q = strchr(x, *p);
160 yyerror("invalid character in table name");
163 num = (num << 6) + (q - x) + 1;
167 num = -(0xffffffff - num + 1);
174 error_message ("%s\n", s);