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      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 
     34 namespace v8 {
     35 namespace internal {
     36 
     37 enum Encoding {
     38   LATIN1,
     39   UTF8,
     40   UTF16
     41 };
     42 
     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