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
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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
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35 #include "compile_et.h"
38 RCSID("$Id: parse.y 15426 2005-06-16 19:21:42Z lha $");
40 void yyerror (char *s);
41 static long name2number(const char *str);
45 /* This is for bison */
47 #if !defined(alloca) && !defined(HAVE_ALLOCA)
48 #define alloca(x) malloc(x)
58 %token ET INDEX PREFIX EC ID END
59 %token <string> STRING
60 %token <number> NUMBER
80 base_id = name2number($2);
81 strlcpy(name, $2, sizeof(name));
86 base_id = name2number($2);
87 strlcpy(name, $3, sizeof(name));
93 statements : statement
94 | statements statement
97 statement : INDEX NUMBER
104 asprintf (&prefix, "%s_", $2);
111 prefix = realloc(prefix, 1);
116 | EC STRING ',' STRING
118 struct error_code *ec = malloc(sizeof(*ec));
125 if(prefix && *prefix != '\0') {
126 asprintf (&ec->name, "%s%s", prefix, $2);
127 if (ec->name == NULL)
145 name2number(const char *str)
149 const char *x = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
150 "abcdefghijklmnopqrstuvwxyz0123456789_";
151 if(strlen(str) > 4) {
152 yyerror("table name too long");
155 for(p = str; *p; p++){
156 char *q = strchr(x, *p);
158 yyerror("invalid character in table name");
161 num = (num << 6) + (q - x) + 1;
165 num = -(0xffffffff - num + 1);
172 error_message ("%s\n", s);