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 and lexer-shell. 29 30 #include <stdio.h> 31 32 namespace v8 { 33 namespace internal { 34 35 enum Encoding { 36 LATIN1, 37 UTF8, 38 UTF16 39 }; 40 41 const byte* ReadFileAndRepeat(const char* name, int* size, int repeat) { 42 FILE* file = fopen(name, "rb"); 43 *size = 0; 44 if (file == NULL) return NULL; 45 46 fseek(file, 0, SEEK_END); 47 int file_size = ftell(file); 48 rewind(file); 49 50 *size = file_size * repeat; 51 52 byte* chars = new byte[*size + 1]; 53 for (int i = 0; i < file_size;) { 54 int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file)); 55 i += read; 56 } 57 fclose(file); 58 59 for (int i = file_size; i < *size; i++) { 60 chars[i] = chars[i - file_size]; 61 } 62 chars[*size] = 0; 63 64 return chars; 65 } 66 67 } } // namespace v8::internal 68
