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
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11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
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15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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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
34 namespace v8 {
35 namespace internal {
36
37 enum Encoding {
38 LATIN1,
39 UTF8,
40 UTF16
41 };
42
ReadFileAndRepeat(const char * name,int * size,int repeat)43 const 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