text: /* Copyright JS Foundation and other contributors, http://js.foundation
   *
   * 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.
   */
  
  #ifndef JERRY_SNAPSHOT_H
  #define JERRY_SNAPSHOT_H
  
  #include "ecma-globals.h"
  
  /**
   * Snapshot header
   */
  typedef struct
  {
    /* The size of this structure is recommended to be divisible by
     * uint32_t alignment. Otherwise some bytes after the header are wasted. */
    uint32_t magic; /**< four byte magic number */
    uint32_t version; /**< version number */
    uint32_t global_flags; /**< global configuration and feature flags */
    uint32_t lit_table_offset; /**< byte offset of the literal table */
    uint32_t number_of_funcs; /**< number of primary ECMAScript functions */
    uint32_t func_offsets[1]; /**< function offsets (lowest bit: global(0) or eval(1) context) */
  } jerry_snapshot_header_t;
  
  /**
   * Jerry snapshot magic marker.
   */
  #define JERRY_SNAPSHOT_MAGIC (0x5952524Au)
  
  /**
   * Snapshot configuration flags.
   */
  typedef enum
  {
    /* 8 bits are reserved for dynamic features */
    JERRY_SNAPSHOT_HAS_REGEX_LITERAL = (1u << 0), /**< byte code has regex literal */
    JERRY_SNAPSHOT_HAS_CLASS_LITERAL = (1u << 1), /**< byte code has class literal */
    /* 24 bits are reserved for compile time features */
    JERRY_SNAPSHOT_FOUR_BYTE_CPOINTER = (1u << 8) /**< deprecated, an unused placeholder now */
  } jerry_snapshot_global_flags_t;
  
  #endif /* !JERRY_SNAPSHOT_H */
  