1/*
2 * Copyright (c) 1997 - 2005 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. 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
41enum typetype {
42    TBitString,
43    TBoolean,
44    TChoice,
45    TEnumerated,
46    TGeneralString,
47    TTeletexString,
48    TGeneralizedTime,
49    TIA5String,
50    TInteger,
51    TNull,
52    TOID,
53    TOctetString,
54    TPrintableString,
55    TSequence,
56    TSequenceOf,
57    TSet,
58    TSetOf,
59    TTag,
60    TType,
61    TUTCTime,
62    TUTF8String,
63    TBMPString,
64    TUniversalString,
65    TVisibleString
66};
67
68typedef enum typetype Typetype;
69
70struct type;
71
72struct value {
73    enum { booleanvalue,
74	   nullvalue,
75	   integervalue,
76	   stringvalue,
77	   objectidentifiervalue
78    } type;
79    union {
80	int booleanvalue;
81	int64_t integervalue;
82	char *stringvalue;
83	struct objid *objectidentifiervalue;
84    } u;
85};
86
87struct member {
88    char *name;
89    char *gen_name;
90    char *label;
91    int val;
92    int optional;
93    int ellipsis;
94    struct type *type;
95    ASN1_TAILQ_ENTRY(member) members;
96    struct value *defval;
97};
98
99typedef struct member Member;
100
101ASN1_TAILQ_HEAD(memhead, member);
102
103struct symbol;
104
105struct tagtype {
106    int tagclass;
107    int tagvalue;
108    enum { TE_IMPLICIT, TE_EXPLICIT } tagenv;
109};
110
111struct range {
112    /*
113     * We can't represent unsigned 64-bit ranges because max might be
114     * negative...
115     */
116    int64_t min;
117    int64_t max;
118};
119
120enum ctype { CT_CONTENTS, CT_USER } ;
121
122struct constraint_spec;
123
124struct type {
125    Typetype type;
126    struct memhead *members;
127    struct symbol *symbol;
128    struct type *subtype;
129    struct tagtype tag;
130    struct range *range;
131    struct constraint_spec *constraint;
132};
133
134typedef struct type Type;
135
136struct constraint_spec {
137    enum ctype ctype;
138    union {
139	struct {
140	    Type *type;
141	    struct value *encoding;
142	} content;
143    } u;
144};
145
146struct objid {
147    const char *label;
148    int value;
149    struct objid *next;
150};
151
152struct symbol {
153    char *name;
154    char *gen_name;
155    enum { SUndefined, SValue, Stype } stype;
156    struct value *value;
157    Type *type;
158};
159
160typedef struct symbol Symbol;
161
162void initsym (void);
163Symbol *addsym (char *);
164void output_name (char *);
165int checkundefined(void);
166#endif
167