value.c

//
// Created by kroot on 17/7/19.
//
#include <stdio.h>
#include <string.h>

#include "memory.h"
#include "object.h"
#include "value.h"

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);
    }
}

void initValueArray(ValueArray* array) {
    array->values = NULL;
    array->capacity = 0;
    array->count = 0;
}

void writeValueArray(ValueArray* array, Value value) {
    if (array->count >= array->capacity) {
        int oldCap = array->capacity;
        array->capacity = GROW_CAPACITY(oldCap);
        array->values = GROW_ARRAY(array->values, Value, oldCap, array->capacity);
    }
    array->values[array->count] = value;
    array->count++;
}

void freeValueArray(ValueArray* array) {
    FREE_ARRAY(Value, array->values, array->capacity);
    initValueArray(array);
}

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;
    }
}