| Index: src/extensions/experimental/i18n-js2c.py
|
| ===================================================================
|
| --- src/extensions/experimental/i18n-js2c.py (revision 0)
|
| +++ src/extensions/experimental/i18n-js2c.py (revision 0)
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| @@ -0,0 +1,126 @@
|
| +#!/usr/bin/env python
|
| +#
|
| +# Copyright 2011 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.
|
| +
|
| +# This is a utility for converting I18N JavaScript source code into C-style
|
| +# char arrays. It is used for embedded JavaScript code in the V8
|
| +# library.
|
| +# This is a pared down copy of v8/tools/js2c.py that avoids use of
|
| +# v8/src/natives.h and produces different cc template.
|
| +
|
| +import os, re, sys, string
|
| +
|
| +
|
| +def ToCArray(lines):
|
| + result = []
|
| + for chr in lines:
|
| + value = ord(chr)
|
| + assert value < 128
|
| + result.append(str(value))
|
| + result.append("0")
|
| + return ", ".join(result)
|
| +
|
| +
|
| +def RemoveCommentsAndTrailingWhitespace(lines):
|
| + lines = re.sub(r'//.*\n', '\n', lines) # end-of-line comments
|
| + lines = re.sub(re.compile(r'/\*.*?\*/', re.DOTALL), '', lines) # comments.
|
| + lines = re.sub(r'\s+\n+', '\n', lines) # trailing whitespace
|
| + return lines
|
| +
|
| +
|
| +def ReadFile(filename):
|
| + file = open(filename, "rt")
|
| + try:
|
| + lines = file.read()
|
| + finally:
|
| + file.close()
|
| + return lines
|
| +
|
| +
|
| +EVAL_PATTERN = re.compile(r'\beval\s*\(');
|
| +WITH_PATTERN = re.compile(r'\bwith\s*\(');
|
| +
|
| +
|
| +def Validate(lines, file):
|
| + lines = RemoveCommentsAndTrailingWhitespace(lines)
|
| + # Because of simplified context setup, eval and with is not
|
| + # allowed in the natives files.
|
| + eval_match = EVAL_PATTERN.search(lines)
|
| + if eval_match:
|
| + raise ("Eval disallowed in natives: %s" % file)
|
| + with_match = WITH_PATTERN.search(lines)
|
| + if with_match:
|
| + raise ("With statements disallowed in natives: %s" % file)
|
| +
|
| +
|
| +HEADER_TEMPLATE = """\
|
| +// Copyright 2011 Google Inc. All Rights Reserved.
|
| +
|
| +// This file was generated from .js source files by gyp. If you
|
| +// want to make changes to this file you should either change the
|
| +// javascript source files or the i18n-js2c.py script.
|
| +
|
| +#include "src/extensions/experimental/i18n-natives.h"
|
| +
|
| +namespace v8 {
|
| +namespace internal {
|
| +
|
| +// static
|
| +const char* I18Natives::GetScriptSource() {
|
| + // JavaScript source gets injected here.
|
| + static const char i18n_source[] = {%s};
|
| +
|
| + return i18n_source;
|
| +}
|
| +
|
| +} // internal
|
| +} // v8
|
| +"""
|
| +
|
| +
|
| +def JS2C(source, target):
|
| + filename = str(source)
|
| +
|
| + lines = ReadFile(filename)
|
| + Validate(lines, filename)
|
| + data = ToCArray(lines)
|
| +
|
| + # Emit result
|
| + output = open(target, "w")
|
| + output.write(HEADER_TEMPLATE % data)
|
| + output.close()
|
| +
|
| +
|
| +def main():
|
| + target = sys.argv[1]
|
| + source = sys.argv[2]
|
| + JS2C(source, target)
|
| +
|
| +
|
| +if __name__ == "__main__":
|
| + main()
|
|
|
| Property changes on: src/extensions/experimental/i18n-js2c.py
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
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