clox/debug.c

//
// Created by 李晓明 on 2023/8/16.
//

#include "debug.h"
#include <stdio.h>

/**
 * @brief 打印指令
 * @param name 名称
 * @param offset 偏移
 * @return
 */
static int simpleInstruction(const char *name, int offset) {
  printf("%s\n", name);
  return offset + 1;
}

void disassembleChunk(Chunk *chunk, const char *name) {
  printf("== %s ==\n", name);

  for (int offset = 0; offset < chunk->count;) {
    offset = disassembleInstruction(chunk, offset);
  }
}
int disassembleInstruction(Chunk *chunk, int offset) {
  printf("%04d  ", offset);

  uint8_t instruction = chunk->code[offset];
  switch (instruction) {
    case OP_RETURN:return simpleInstruction("OP_RETURN", offset);
    default:printf("Unknown opcode %d\n", instruction);
      return offset + 1;
  }
}