lib/asn1/symbol.h

   1 /*
   2  * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
   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. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /* $Id$ */
  35
  36 #ifndef _SYMBOL_H
  37 #define _SYMBOL_H
  38
  39 #include "asn1_queue.h"
  40
  41 enum typetype {
  42     TBitString,
  43     TBoolean,
  44     TChoice,
  45     TEnumerated,
  46     TGeneralString,
  47     TGeneralizedTime,
  48     TIA5String,
  49     TInteger,
  50     TNull,
  51     TOID,
  52     TOctetString,
  53     TPrintableString,
  54     TSequence,
  55     TSequenceOf,
  56     TSet,
  57     TSetOf,
  58     TTag,
  59     TType,
  60     TUTCTime,
  61     TUTF8String,
  62     TBMPString,
  63     TUniversalString,
  64     TVisibleString
  65 };
  66
  67 typedef enum typetype Typetype;
  68
  69 struct type;
  70
  71 struct value {
  72     enum { booleanvalue,
  73            nullvalue,
  74            integervalue,
  75            stringvalue,
  76            objectidentifiervalue
  77     } type;
  78     union {
  79         int booleanvalue;
  80         int integervalue;
  81         char *stringvalue;
  82         struct objid *objectidentifiervalue;
  83     } u;
  84 };
  85
  86 struct member {
  87     char *name;
  88     char *gen_name;
  89     char *label;
  90     int val;
  91     int optional;
  92     int ellipsis;
  93     struct type *type;
  94     ASN1_TAILQ_ENTRY(member) members;
  95     struct value *defval;
  96 };
  97
  98 typedef struct member Member;
  99
 100 ASN1_TAILQ_HEAD(memhead, member);
 101
 102 struct symbol;
 103
 104 struct tagtype {
 105     int tagclass;
 106     int tagvalue;
 107     enum { TE_IMPLICIT, TE_EXPLICIT } tagenv;
 108 };
 109
 110 struct range {
 111     int min;
 112     int max;
 113 };
 114
 115 enum ctype { CT_CONTENTS, CT_USER } ;
 116
 117 struct constraint_spec;
 118
 119 struct type {
 120     Typetype type;
 121     struct memhead *members;
 122     struct symbol *symbol;
 123     struct type *subtype;
 124     struct tagtype tag;
 125     struct range *range;
 126     struct constraint_spec *constraint;
 127 };
 128
 129 typedef struct type Type;
 130
 131 struct constraint_spec {
 132     enum ctype ctype;
 133     union {
 134         struct {
 135             Type *type;
 136             struct value *encoding;
 137         } content;
 138     } u;
 139 };
 140
 141 struct objid {
 142     const char *label;
 143     int value;
 144     struct objid *next;
 145 };
 146
 147 struct symbol {
 148     char *name;
 149     char *gen_name;
 150     enum { SUndefined, SValue, Stype } stype;
 151     struct value *value;
 152     Type *type;
 153 };
 154
 155 typedef struct symbol Symbol;
 156
 157 void initsym (void);
 158 Symbol *addsym (char *);
 159 void output_name (char *);
 160 int checkundefined(void);
 161 #endif