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chunk.c
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chunk.c
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#include <stdlib.h>
#include "chunk.h"
#include "memory.h"
#include "vm.h"
void initChunk(Chunk *chunk)
{
chunk->count = 0;
chunk->capacity = 0;
chunk->code = NULL;
chunk->lines = NULL;
initValueArray(&chunk->constants);
}
void freeChunk(Chunk *chunk)
{
FREE_ARRAY(uint8_t, chunk->code, chunk->capacity);
FREE_ARRAY(int, chunk->lines, chunk->capacity);
freeValueArray(&chunk->constants);
initChunk(chunk);
}
void writeChunk(Chunk *chunk, uint8_t byte, int line)
{
if (chunk->capacity < chunk->count + 1)
{
int oldCapacity = chunk->capacity;
chunk->capacity = GROW_CAPACITY(oldCapacity);
chunk->code = GROW_ARRAY(uint8_t, chunk->code,
oldCapacity, chunk->capacity);
chunk->lines = GROW_ARRAY(int, chunk->lines,
oldCapacity, chunk->capacity);
}
chunk->code[chunk->count] = byte;
chunk->lines[chunk->count] = line;
chunk->count++;
}
int addConstant(Chunk *chunk, Value value)
{
push(value);
writeValueArray(&chunk->constants, value);
pop();
return chunk->constants.count - 1;
}