1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
| | /*
* Copyright (C) 2024 olang maintainers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SCOPE_H
#define SCOPE_H
#include "arena.h"
#include "list.h"
#include "map.h"
#include "string_view.h"
#include "type.h"
typedef struct symbol {
string_view_t id;
type_t *type;
} symbol_t;
typedef struct scope {
struct scope *parent;
list_t *children;
arena_t *arena;
map_t *symbols;
} scope_t;
scope_t *
scope_new(arena_t *arena);
symbol_t *
symbol_new(arena_t *arena, string_view_t id, type_t *type);
symbol_t *
scope_lookup(scope_t *scope, string_view_t id);
void
scope_insert(scope_t *scope, symbol_t *symbol);
scope_t *
scope_push(scope_t *scope);
scope_t *
scope_pop(scope_t *scope);
#endif /* SCOPE_H */
|