src/fasm/code_generator/code_generator.c


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#include "code_generator.h"

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <utils/memory/memory.h>

void deleteByteCodeInners(ByteCode bytecode) {
  free(bytecode.code);
  free(bytecode.data);
  free(bytecode.labels);
}

ByteCode fasmCodeGenerator(FasmLinkedLines *lines) {
  ByteCode bytecode = {
      .code = a404m_malloc(0),
      .code_size = 0,
      .data = lines->data,
      .data_size = lines->data_size,
      .labels = lines->variables,
      .labels_size = lines->variables_size,
  };

  lines->data = a404m_malloc(0);
  lines->data_size = 0;
  lines->variables = a404m_malloc(0);
  lines->variables_size = 0;

  for (size_t i = 0; i < lines->lines_size; ++i) {
    const FasmLinkedLine line = lines->lines[i];
    const size_t size = sizeof(line.instruction) + line.operands_size;
    bytecode.code = a404m_realloc(bytecode.code, bytecode.code_size + size);
    memcpy(bytecode.code + bytecode.code_size, &line.instruction,
           sizeof(line.instruction));
    bytecode.code_size += sizeof(line.instruction);
    memcpy(bytecode.code + bytecode.code_size, line.operands,
           line.operands_size);
    bytecode.code_size += line.operands_size;
  }

  return bytecode;
}