v8/tools/shell-utils.h

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// 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.
#include "src/globals.h"
#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 = static_cast<int>(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 internal
} // namespace v8