68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
|
// Copyright 2014 the V8 project authors. All rights reserved.
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above
|
||
|
|
// copyright notice, this list of conditions and the following
|
||
|
|
// disclaimer in the documentation and/or other materials provided
|
||
|
|
// with the distribution.
|
||
|
|
// * Neither the name of Google Inc. nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
// Utility functions used by parser-shell and lexer-shell.
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
namespace v8 {
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
enum Encoding {
|
||
|
|
LATIN1,
|
||
|
|
UTF8,
|
||
|
|
UTF16
|
||
|
|
};
|
||
|
|
|
||
|
|
const byte* ReadFileAndRepeat(const char* name, int* size, int repeat) {
|
||
|
|
FILE* file = fopen(name, "rb");
|
||
|
|
*size = 0;
|
||
|
|
if (file == NULL) return NULL;
|
||
|
|
|
||
|
|
fseek(file, 0, SEEK_END);
|
||
|
|
int file_size = ftell(file);
|
||
|
|
rewind(file);
|
||
|
|
|
||
|
|
*size = file_size * repeat;
|
||
|
|
|
||
|
|
byte* chars = new byte[*size + 1];
|
||
|
|
for (int i = 0; i < file_size;) {
|
||
|
|
int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
|
||
|
|
i += read;
|
||
|
|
}
|
||
|
|
fclose(file);
|
||
|
|
|
||
|
|
for (int i = file_size; i < *size; i++) {
|
||
|
|
chars[i] = chars[i - file_size];
|
||
|
|
}
|
||
|
|
chars[*size] = 0;
|
||
|
|
|
||
|
|
return chars;
|
||
|
|
}
|
||
|
|
|
||
|
|
} } // namespace v8::internal
|