1// Copyright 2014 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Utility functions used by parser-shell.
29
30#include "src/globals.h"
31
32#include <stdio.h>
33
34namespace v8 {
35namespace internal {
36
37enum Encoding {
38  LATIN1,
39  UTF8,
40  UTF16
41};
42
43const byte* ReadFileAndRepeat(const char* name, int* size, int repeat) {
44  FILE* file = fopen(name, "rb");
45  *size = 0;
46  if (file == NULL) return NULL;
47
48  fseek(file, 0, SEEK_END);
49  int file_size = static_cast<int>(ftell(file));
50  rewind(file);
51
52  *size = file_size * repeat;
53
54  byte* chars = new byte[*size + 1];
55  for (int i = 0; i < file_size;) {
56    int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
57    i += read;
58  }
59  fclose(file);
60
61  for (int i = file_size; i < *size; i++) {
62    chars[i] = chars[i - file_size];
63  }
64  chars[*size] = 0;
65
66  return chars;
67}
68
69}  // namespace internal
70}  // namespace v8
71