/
value.c
60 lines (51 loc) · 1.47 KB
/
value.c
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#include <stdio.h>
#include <string.h>
#include "object.h"
#include "value.h"
#include "memory.h"
void initValueArray(ValueArray *valueArray) {
valueArray->capacity = 0;
valueArray->count = 0;
valueArray->values = NULL;
}
void writeValueArray(ValueArray *valueArray, Value value) {
if (valueArray->capacity <= valueArray->count) {
valueArray->capacity = GROW_CAPACITY(valueArray->capacity);
valueArray->values = GROW_ARRAY(valueArray->values, Value, valueArray->capacity);
}
valueArray->values[valueArray->count++] = value;
}
void freeValueArray(ValueArray *valueArray) {
FREE_ARRAY(valueArray->values);
initValueArray(valueArray);
}
void printValue(Value value) {
switch (value.type) {
case VAL_BOOL: {
printf(AS_BOOL(value) ? "true" : "false");
break;
}
case VAL_NIL: {
printf("nil");
break;
}
case VAL_NUMBER: {
printf("%g", AS_NUMBER(value));
break;
}
case VAL_OBJ: {
printObject(value);
break;
}
}
}
bool valuesEqual(Value a, Value b) {
if (a.type != b.type) return false;
switch (a.type) {
case VAL_BOOL: return AS_BOOL(a) == AS_BOOL(b);
case VAL_NIL: return true;
case VAL_NUMBER: return AS_NUMBER(a) == AS_NUMBER(b);
case VAL_OBJ: return AS_OBJ(a) == AS_OBJ(b);
default: return false; // Unreachable.
}
}