-
Notifications
You must be signed in to change notification settings - Fork 0
/
value.h
57 lines (41 loc) · 1.27 KB
/
value.h
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
#ifndef peach_value_h
#define peach_value_h
#include "common.h"
typedef struct Object Object;
typedef struct ObjectString ObjectString;
typedef enum {
VAL_BOOL,
VAL_NIL,
VAL_NUMBER,
VAL_OBJECT,
} ValueType;
typedef struct {
ValueType type;
union {
bool boolean;
double number;
Object* object;
} as;
} Value;
#define BOOL_VAL(value) ((Value) {VAL_BOOL, {.boolean = value}})
#define NIL_VAL ((Value) {VAL_NIL, {.number = 0}})
#define NUMBER_VAL(value) ((Value) {VAL_NUMBER, {.number = value}})
#define OBJECT_VAL(obj) ((Value) {VAL_OBJECT, {.object = (Object*) obj}})
#define AS_BOOL(value) ((value).as.boolean)
#define AS_NUMBER(value) ((value).as.number)
#define AS_OBJECT(value) ((value).as.object)
#define IS_BOOL(value) ((value).type == VAL_BOOL)
#define IS_NIL(value) ((value).type == VAL_NIL)
#define IS_NUMBER(value) ((value).type == VAL_NUMBER)
#define IS_OBJECT(value) ((value).type == VAL_OBJECT)
void Value_print(Value value);
bool Value_equals(Value value, Value other);
typedef struct {
size_t capacity;
size_t count;
Value* values;
} ValueArray;
void ValueArray_init(ValueArray* array);
void ValueArray_write(ValueArray* array, Value value);
void ValueArray_free(ValueArray* array);
#endif // !peach_value_h