1 /*	$NetBSD: symbol.h,v 1.2 2017/01/28 21:31:45 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 /* Id */
37 
38 #ifndef _SYMBOL_H
39 #define _SYMBOL_H
40 
41 #include "asn1_queue.h"
42 
43 enum typetype {
44     TBitString,
45     TBoolean,
46     TChoice,
47     TEnumerated,
48     TGeneralString,
49     TTeletexString,
50     TGeneralizedTime,
51     TIA5String,
52     TInteger,
53     TNull,
54     TOID,
55     TOctetString,
56     TPrintableString,
57     TSequence,
58     TSequenceOf,
59     TSet,
60     TSetOf,
61     TTag,
62     TType,
63     TUTCTime,
64     TUTF8String,
65     TBMPString,
66     TUniversalString,
67     TVisibleString
68 };
69 
70 typedef enum typetype Typetype;
71 
72 struct type;
73 
74 struct value {
75     enum { booleanvalue,
76 	   nullvalue,
77 	   integervalue,
78 	   stringvalue,
79 	   objectidentifiervalue
80     } type;
81     union {
82 	int booleanvalue;
83 	int64_t integervalue;
84 	char *stringvalue;
85 	struct objid *objectidentifiervalue;
86     } u;
87 };
88 
89 struct member {
90     char *name;
91     char *gen_name;
92     char *label;
93     int val;
94     int optional;
95     int ellipsis;
96     struct type *type;
97     ASN1_TAILQ_ENTRY(member) members;
98     struct value *defval;
99 };
100 
101 typedef struct member Member;
102 
103 ASN1_TAILQ_HEAD(memhead, member);
104 
105 struct symbol;
106 
107 struct tagtype {
108     int tagclass;
109     int tagvalue;
110     enum { TE_IMPLICIT, TE_EXPLICIT } tagenv;
111 };
112 
113 struct range {
114     /*
115      * We can't represent unsigned 64-bit ranges because max might be
116      * negative...
117      */
118     int64_t min;
119     int64_t max;
120 };
121 
122 enum ctype { CT_CONTENTS, CT_USER } ;
123 
124 struct constraint_spec;
125 
126 struct type {
127     Typetype type;
128     struct memhead *members;
129     struct symbol *symbol;
130     struct type *subtype;
131     struct tagtype tag;
132     struct range *range;
133     struct constraint_spec *constraint;
134     unsigned long id;
135 };
136 
137 typedef struct type Type;
138 
139 struct constraint_spec {
140     enum ctype ctype;
141     union {
142 	struct {
143 	    Type *type;
144 	    struct value *encoding;
145 	} content;
146     } u;
147 };
148 
149 struct objid {
150     const char *label;
151     int value;
152     struct objid *next;
153 };
154 
155 struct symbol {
156     char *name;
157     char *gen_name;
158     enum { SUndefined, SValue, Stype } stype;
159     struct value *value;
160     Type *type;
161 };
162 
163 typedef struct symbol Symbol;
164 
165 void initsym (void);
166 Symbol *addsym (char *);
167 void output_name (char *);
168 int checkundefined(void);
169 #endif
170