Add Python flow to bindings generation, move dummy-generating IDL files over

Source/bindings/scripts/code_generator_v8.py

+# Copyright (C) 2013 Google Inc. 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.
+
+"""Generate Blink V8 bindings (.h and .cpp files).
+
+Input: An object of class IdlDocument, representing an IDL interface X
+Output: V8X.h and V8X.cpp
+
+FIXME: Currently a stub, as part of landing the parser and code generator
+incrementally. Only implements generation of dummy .cpp and .h files.
+"""
+
+import os.path
+
+
+def generate_dummy_header_and_cpp(target_interface_name, output_directory):
+    header_basename = 'V8%s.h' % target_interface_name
+    cpp_basename = 'V8%s.cpp' % target_interface_name
+    header_fullname = os.path.join(output_directory, header_basename)
+    cpp_fullname = os.path.join(output_directory, cpp_basename)
+    contents = """/*
+    This file is generated just to tell build scripts that {header_basename} and
+    {cpp_basename} are created for {target_interface_name}.idl, and thus
+    prevent the build scripts from trying to generate {header_basename} and
+    {cpp_basename} at every build. This file must not be tried to compile.
+*/
+""".format(**locals())
+    with open(header_fullname, 'w') as header_file:
+        header_file.write(contents)
+    with open(cpp_fullname, 'w') as cpp_file:
+        cpp_file.write(contents)