diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/bindings/scripts/unstable/v8_callback_interface.py')
| -rw-r--r-- | chromium/third_party/WebKit/Source/bindings/scripts/unstable/v8_callback_interface.py | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/chromium/third_party/WebKit/Source/bindings/scripts/unstable/v8_callback_interface.py b/chromium/third_party/WebKit/Source/bindings/scripts/unstable/v8_callback_interface.py deleted file mode 100644 index 2e310d19a10..00000000000 --- a/chromium/third_party/WebKit/Source/bindings/scripts/unstable/v8_callback_interface.py +++ /dev/null @@ -1,139 +0,0 @@ -# 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 template values for a callback interface. - -FIXME: Not currently used in build. -This is a rewrite of the Perl IDL compiler in Python, but is not complete. -Once it is complete, we will switch all IDL files over to Python at once. -Until then, please work on the Perl IDL compiler. -For details, see bug http://crbug.com/239771 -""" - -from v8_globals import includes -import v8_types -import v8_utilities - -CALLBACK_INTERFACE_H_INCLUDES = set([ - 'bindings/v8/ActiveDOMCallback.h', - 'bindings/v8/DOMWrapperWorld.h', - 'bindings/v8/ScopedPersistent.h', -]) -CALLBACK_INTERFACE_CPP_INCLUDES = set([ - 'bindings/v8/V8Binding.h', - 'bindings/v8/V8Callback.h', - 'core/dom/ExecutionContext.h', - 'wtf/Assertions.h', -]) - - -def cpp_to_v8_conversion(idl_type, name): - # FIXME: setting creation_context=v8::Handle<v8::Object>() is wrong, - # as toV8 then implicitly uses the current context, which causes leaks - # between isolate worlds if a different context should be used. - cpp_value_to_v8_value = v8_types.cpp_value_to_v8_value(idl_type, name, - isolate='isolate', creation_context='v8::Handle<v8::Object>()') - return 'v8::Handle<v8::Value> {name}Handle = {cpp_to_v8};'.format( - name=name, cpp_to_v8=cpp_value_to_v8_value) - - -def cpp_type(idl_type): - # FIXME: remove this function by making callback types consistent - # (always use usual v8_types.cpp_type) - if idl_type == 'DOMString': - return 'const String&' - if idl_type == 'void': - return 'void' - # Callbacks use raw pointers, so used_as_argument=True - usual_cpp_type = v8_types.cpp_type(idl_type, used_as_argument=True) - if usual_cpp_type.startswith('Vector'): - return 'const %s&' % usual_cpp_type - return usual_cpp_type - - -def generate_callback_interface(callback_interface): - includes.clear() - includes.update(CALLBACK_INTERFACE_CPP_INCLUDES) - name = callback_interface.name - - methods = [generate_method(operation) - for operation in callback_interface.operations] - template_contents = { - 'conditional_string': v8_utilities.conditional_string(callback_interface), - 'cpp_class': name, - 'v8_class': v8_utilities.v8_class_name(callback_interface), - 'header_includes': CALLBACK_INTERFACE_H_INCLUDES, - 'methods': methods, - } - return template_contents - - -def add_includes_for_operation(operation): - v8_types.add_includes_for_type(operation.idl_type) - for argument in operation.arguments: - v8_types.add_includes_for_type(argument.idl_type) - - -def generate_method(operation): - extended_attributes = operation.extended_attributes - idl_type = operation.idl_type - if idl_type not in ['boolean', 'void']: - raise Exception('We only support callbacks that return boolean or void values.') - is_custom = 'Custom' in extended_attributes - if not is_custom: - add_includes_for_operation(operation) - call_with = extended_attributes.get('CallWith') - call_with_this_handle = v8_utilities.extended_attribute_value_contains(call_with, 'ThisValue') - contents = { - 'call_with_this_handle': call_with_this_handle, - 'custom': is_custom, - 'name': operation.name, - 'return_cpp_type': cpp_type(idl_type), - 'return_idl_type': idl_type, - } - contents.update(generate_arguments_contents(operation.arguments, call_with_this_handle)) - return contents - - -def generate_arguments_contents(arguments, call_with_this_handle): - def generate_argument(argument): - return { - 'name': argument.name, - 'cpp_to_v8_conversion': cpp_to_v8_conversion(argument.idl_type, argument.name), - } - - argument_declarations = [ - '%s %s' % (cpp_type(argument.idl_type), argument.name) - for argument in arguments] - if call_with_this_handle: - argument_declarations.insert(0, 'ScriptValue thisValue') - return { - 'argument_declarations': argument_declarations, - 'arguments': [generate_argument(argument) for argument in arguments], - 'handles': ['%sHandle' % argument.name for argument in arguments], - } |