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