// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "libmanager.h"

#include <stdint.h>
#include <stdio.h>
#include <vector>

int main(int argc, char* argv[]) {

  const char* filename = argv[1];

  std::vector<uint32_t> spirv_binary;
  const int buf_size = 1024;
  if (FILE* fp = fopen(filename, "rb")) {
    uint32_t buf[buf_size];
    while (size_t len = fread(buf, sizeof(uint32_t), buf_size, fp)) {
      spirv_binary.insert(spirv_binary.end(), buf, buf + len);
    }
    if (ftell(fp) == -1L) {
      if (ferror(fp)) {
        fprintf(stderr, "error: error reading file '%s'\n", filename);
        return 1;
      }
    } else {
      if (sizeof(uint32_t) != 1 && (ftell(fp) % sizeof(uint32_t))) {
        fprintf(stderr, "error: corrupted word found in file '%s'\n", filename);
        return 1;
      }
    }
    fclose(fp);
  } else {
    fprintf(stderr, "error: file does not exist '%s'\n", filename);
    return 1;
  }

  const char* dis_text = getDisassembleText(spirv_binary.data(), spirv_binary.size());

  if (dis_text) {
  	printf("%s\n", dis_text);
  } else {
    printf("Disassemble error.\n");
    return 2;
  }

  deleteDisassembleText(dis_text);

  return 0;
}