CTF metadata: AST nodes
[babeltrace.git] / formats / ctf / metadata / ctf-ast.h
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1#ifndef _CTF_PARSER_H
2#define _CTF_PARSER_H
3
ae5193a6 4#include <stdint.h>
8b9d5b5e 5#include <helpers/list.h>
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6#include <stdio.h>
7#include <glib.h>
8
9// the parameter name (of the reentrant 'yyparse' function)
10// data is a pointer to a 'SParserParam' structure
11//#define YYPARSE_PARAM scanner
12
13// the argument for the 'yylex' function
14#define YYLEX_PARAM ((struct ctf_scanner *) scanner)->scanner
15
16struct ctf_node;
17struct ctf_parser;
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18
19enum node_type {
20 NODE_UNKNOWN,
21 NODE_ROOT,
fce8006d 22
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23 NODE_EVENT,
24 NODE_STREAM,
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25 NODE_TRACE,
26
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27 NODE_CTF_EXPRESSION,
28
29 NODE_TYPEDEF,
30 NODE_TYPEALIAS,
31
ae5193a6 32 NODE_TYPE_SPECIFIER,
fce8006d 33 NODE_DECLARATION_SPECIFIER,
ae5193a6 34 NODE_POINTER,
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35 NODE_TYPE_DECLARATOR,
36
37 NODE_FLOATING_POINT,
38 NODE_INTEGER,
39 NODE_STRING,
ae5193a6 40 NODE_ENUMERATOR,
fce8006d 41 NODE_ENUM,
ae5193a6 42 NODE_STRUCT_OR_VARIANT_DECLARATION,
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43 NODE_VARIANT,
44 NODE_STRUCT,
45
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46 NR_NODE_TYPES,
47};
48
8b9d5b5e 49struct ctf_node {
8b9d5b5e 50 struct ctf_node *parent;
8b9d5b5e 51 struct cds_list_head siblings;
8b9d5b5e 52 struct cds_list_head gc;
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53
54 enum node_type type;
55 union {
56 struct {
57 } unknown;
58 struct {
59 } root;
60 struct {
61 /*
62 * Children nodes are ctf_expression, typedef or
63 * typealias.
64 */
65 struct cds_list_head _typedef;
66 struct cds_list_head typealias;
67 struct cds_list_head ctf_expression;
68 } event;
69 struct {
70 /*
71 * Children nodes are ctf_expression, typedef or
72 * typealias.
73 */
74 struct cds_list_head _typedef;
75 struct cds_list_head typealias;
76 struct cds_list_head ctf_expression;
77 } stream;
78 struct {
79 /*
80 * Children nodes are ctf_expression, typedef or
81 * typealias.
82 */
83 struct cds_list_head _typedef;
84 struct cds_list_head typealias;
85 struct cds_list_head ctf_expression;
86 } trace;
87 struct {
88 char *left_id;
89 enum {
90 EXP_ID,
91 EXP_TYPE,
92 } type;
93 union {
94 char *id;
95 struct ctf_node *type;
96 } right;
97 } ctf_expression;
98 struct {
99 struct ctf_node *declaration_specifier;
100 struct cds_list_head type_declarator;
101 } _typedef;
102 struct {
103 /* new type is "alias", existing type "target" */
104 struct ctf_node *target_declaration_specifier;
105 struct cds_list_head target_type_declarator;
106 struct ctf_node *alias_declaration_specifier;
107 struct cds_list_head alias_type_declarator;
108 } typealias;
109 struct {
110 enum {
111 TYPESPEC_VOID,
112 TYPESPEC_CHAR,
113 TYPESPEC_SHORT,
114 TYPESPEC_INT,
115 TYPESPEC_LONG,
116 TYPESPEC_FLOAT,
117 TYPESPEC_DOUBLE,
118 TYPESPEC_SIGNED,
119 TYPESPEC_UNSIGNED,
120 TYPESPEC_BOOL,
121 TYPESPEC_COMPLEX,
122 TYPESPEC_ID_TYPE,
123
124 TYPESPEC_FLOATING_POINT,
125 TYPESPEC_INTEGER,
126 TYPESPEC_STRING,
127 TYPESPEC_ENUM,
128 TYPESPEC_VARIANT,
129 TYPESPEC_STRUCT,
130 } type;
131 union {
132 struct ctf_node *floating_point;
133 struct ctf_node *integer;
134 struct ctf_node *string;
135 struct ctf_node *_enum;
136 struct ctf_node *variant;
137 struct ctf_node *_struct;
138 } u;
139 } type_specifier;
140 struct {
141 /* drop "const" specifier */
142 /* Children nodes are type_specifiers */
143 struct cds_list_head type_specifiers;
144 } declaration_specifier;
145 struct {
146 } pointer;
147 struct {
148 struct cds_list_head pointers;
149 enum {
150 TYPEDEC_ID, /* identifier */
151 TYPEDEC_TYPEDEC,/* nested with () */
152 TYPEDEC_DIRECT, /* array or sequence */
153 } type;
154 union {
155 char *id;
156 struct ctf_node *typedec;
157 struct {
158 /* typedec has no pointer list */
159 struct ctf_node *typedec;
160 struct {
161 enum {
162 TYPEDEC_TYPE_VALUE, /* must be > 0 */
163 TYPEDEC_TYPE_TYPE,
164 } type;
165 union {
166 uint64_t value;
167 struct ctf_node *declaration_specifier;
168 } u;
169 } length;
170 } direct;
171 } u;
172 } type_declarator;
173 struct {
174 /* Children nodes are ctf_expression. */
175 struct cds_list_head expressions;
176 } floating_point;
177 struct {
178 /* Children nodes are ctf_expression. */
179 struct cds_list_head expressions;
180 } integer;
181 struct {
182 /* Children nodes are ctf_expression. */
183 struct cds_list_head expressions;
184 } string;
185 struct {
186 char *id;
187 union { /* inclusive start/end of range */
188 struct {
189 int64_t start, end;
190 } _signed;
191 struct {
192 uint64_t start, end;
193 } _unsigned;
194 } u;
195 } enumerator;
196 struct {
197 char *enum_id;
198 struct {
199 enum {
200 ENUM_TYPE_VALUE, /* must be > 0 */
201 ENUM_TYPE_TYPE,
202 } type;
203 union {
204 uint64_t value;
205 struct ctf_node *declaration_specifier;
206 } u;
207 } container_type;
208 struct cds_list_head enumerator_list;
209 } _enum;
210 struct {
211 struct ctf_node *declaration_specifier;
212 } struct_or_variant_declaration;
213 struct {
214 struct cds_list_head _typedef;
215 struct cds_list_head typealias;
216 struct cds_list_head declaration_list;
217 } variant;
218 struct {
219 struct cds_list_head _typedef;
220 struct cds_list_head typealias;
221 struct cds_list_head declaration_list;
222 } _struct;
223 } u;
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224};
225
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226struct ctf_ast {
227 struct ctf_node root;
228};
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229
230#endif /* _CTF_PARSER_H */
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