| # Copyright (C) 2010-2020 Apple 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: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. 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. |
| # |
| # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| |
| import collections |
| import re |
| import sys |
| |
| from webkit import parser |
| |
| WANTS_CONNECTION_ATTRIBUTE = 'WantsConnection' |
| WANTS_DISPATCH_MESSAGE_ATTRIBUTE = 'WantsDispatchMessage' |
| WANTS_ASYNC_DISPATCH_MESSAGE_ATTRIBUTE = 'WantsAsyncDispatchMessage' |
| LEGACY_RECEIVER_ATTRIBUTE = 'LegacyReceiver' |
| NOT_REFCOUNTED_RECEIVER_ATTRIBUTE = 'NotRefCounted' |
| SYNCHRONOUS_ATTRIBUTE = 'Synchronous' |
| ASYNC_ATTRIBUTE = 'Async' |
| |
| _license_header = """/* |
| * Copyright (C) 2010-2020 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| """ |
| |
| |
| def messages_header_filename(receiver): |
| return '%sMessages.h' % receiver.name |
| |
| |
| def surround_in_condition(string, condition): |
| if not condition: |
| return string |
| return '#if %s\n%s#endif\n' % (condition, string) |
| |
| |
| def function_parameter_type(type, kind): |
| # Don't use references for built-in types. |
| builtin_types = frozenset([ |
| 'bool', |
| 'float', |
| 'double', |
| 'uint8_t', |
| 'uint16_t', |
| 'uint32_t', |
| 'uint64_t', |
| 'int8_t', |
| 'int16_t', |
| 'int32_t', |
| 'int64_t', |
| ]) |
| |
| if type in builtin_types: |
| return type |
| |
| if kind.startswith('enum:'): |
| return type |
| |
| return 'const %s&' % type |
| |
| |
| def reply_parameter_type(type): |
| return '%s&' % type |
| |
| |
| def move_type(type): |
| return '%s&&' % type |
| |
| |
| def arguments_type(message): |
| return 'std::tuple<%s>' % ', '.join(function_parameter_type(parameter.type, parameter.kind) for parameter in message.parameters) |
| |
| |
| def reply_type(message): |
| return 'std::tuple<%s>' % (', '.join(reply_parameter_type(parameter.type) for parameter in message.reply_parameters)) |
| |
| |
| def reply_arguments_type(message): |
| return 'std::tuple<%s>' % (', '.join(parameter.type for parameter in message.reply_parameters)) |
| |
| |
| def message_to_reply_forward_declaration(message): |
| result = [] |
| |
| if message.reply_parameters != None and (message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE)): |
| send_parameters = [(function_parameter_type(x.type, x.kind), x.name) for x in message.reply_parameters] |
| completion_handler_parameters = '%s' % ', '.join([' '.join(x) for x in send_parameters]) |
| |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| result.append('using %sAsyncReply' % message.name) |
| else: |
| result.append('using %sDelayedReply' % message.name) |
| result.append(' = CompletionHandler<void(%s)>;\n' % completion_handler_parameters) |
| |
| if not result: |
| return None |
| |
| return surround_in_condition(''.join(result), message.condition) |
| |
| |
| def message_to_struct_declaration(receiver, message): |
| result = [] |
| function_parameters = [(function_parameter_type(x.type, x.kind), x.name) for x in message.parameters] |
| |
| result.append('class %s {\n' % message.name) |
| result.append('public:\n') |
| result.append(' using Arguments = %s;\n' % arguments_type(message)) |
| result.append('\n') |
| result.append(' static IPC::MessageName name() { return IPC::MessageName::%s_%s; }\n' % (receiver.name, message.name)) |
| result.append(' static const bool isSync = %s;\n' % ('false', 'true')[message.reply_parameters != None and not message.has_attribute(ASYNC_ATTRIBUTE)]) |
| result.append('\n') |
| if message.reply_parameters != None: |
| send_parameters = [(function_parameter_type(x.type, x.kind), x.name) for x in message.reply_parameters] |
| completion_handler_parameters = '%s' % ', '.join([' '.join(x) for x in send_parameters]) |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| move_parameters = ', '.join([move_type(x.type) for x in message.reply_parameters]) |
| result.append(' static void callReply(IPC::Decoder&, CompletionHandler<void(%s)>&&);\n' % move_parameters) |
| result.append(' static void cancelReply(CompletionHandler<void(%s)>&&);\n' % move_parameters) |
| result.append(' static IPC::MessageName asyncMessageReplyName() { return IPC::MessageName::%s_%sReply; }\n' % (receiver.name, message.name)) |
| result.append(' using AsyncReply = %sAsyncReply;\n' % message.name) |
| elif message.has_attribute(SYNCHRONOUS_ATTRIBUTE): |
| result.append(' using DelayedReply = %sDelayedReply;\n' % message.name) |
| if message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE): |
| result.append(' static void send(std::unique_ptr<IPC::Encoder>&&, IPC::Connection&') |
| if len(send_parameters): |
| result.append(', %s' % completion_handler_parameters) |
| result.append(');\n') |
| result.append(' using Reply = %s;\n' % reply_type(message)) |
| result.append(' using ReplyArguments = %s;\n' % reply_arguments_type(message)) |
| |
| if len(function_parameters): |
| result.append(' %s%s(%s)' % (len(function_parameters) == 1 and 'explicit ' or '', message.name, ', '.join([' '.join(x) for x in function_parameters]))) |
| result.append('\n : m_arguments(%s)\n' % ', '.join([x[1] for x in function_parameters])) |
| result.append(' {\n') |
| result.append(' }\n\n') |
| result.append(' const Arguments& arguments() const\n') |
| result.append(' {\n') |
| result.append(' return m_arguments;\n') |
| result.append(' }\n') |
| result.append('\n') |
| result.append('private:\n') |
| result.append(' Arguments m_arguments;\n') |
| result.append('};\n') |
| return surround_in_condition(''.join(result), message.condition) |
| |
| |
| def forward_declaration(namespace, kind_and_type): |
| kind, type = kind_and_type |
| |
| qualified_name = '%s::%s' % (namespace, type) |
| if kind == 'struct': |
| return 'struct %s' % type |
| elif kind.startswith('enum:'): |
| return 'enum class %s : %s' % (type, kind[5:]) |
| else: |
| return 'class %s' % type |
| |
| |
| def forward_declarations_for_namespace(namespace, kind_and_types): |
| result = [] |
| result.append('namespace %s {\n' % namespace) |
| result += ['%s;\n' % forward_declaration(namespace, x) for x in sorted(kind_and_types)] |
| result.append('}\n') |
| return ''.join(result) |
| |
| |
| def types_that_cannot_be_forward_declared(): |
| return frozenset([ |
| 'MachSendRight', |
| 'MediaTime', |
| 'String', |
| 'WebCore::ColorSpace', |
| 'WebCore::DictationContext', |
| 'WebCore::DragApplicationFlags', |
| 'WebCore::DocumentIdentifier', |
| 'WebCore::DocumentOrWorkerIdentifier', |
| 'WebCore::FetchIdentifier', |
| 'WebCore::FrameIdentifier', |
| 'WebCore::LibWebRTCSocketIdentifier', |
| 'WebCore::PlaybackTargetClientContextIdentifier', |
| 'WebCore::MediaPlayerIdentifier', |
| 'WebCore::MediaSessionIdentifier', |
| 'WebCore::PageIdentifier', |
| 'WebCore::PluginLoadClientPolicy', |
| 'WebCore::PointerID', |
| 'WebCore::ProcessIdentifier', |
| 'WebCore::RealtimeMediaSourceIdentifier', |
| 'WebCore::RemoteResourceIdentifier', |
| 'WebCore::RenderingMode', |
| 'WebCore::ServiceWorkerIdentifier', |
| 'WebCore::ServiceWorkerJobIdentifier', |
| 'WebCore::ServiceWorkerOrClientData', |
| 'WebCore::ServiceWorkerOrClientIdentifier', |
| 'WebCore::ServiceWorkerRegistrationIdentifier', |
| 'WebCore::SharedStringHash', |
| 'WebCore::SleepDisablerIdentifier', |
| 'WebCore::SWServerConnectionIdentifier', |
| 'WebCore::WebSocketIdentifier', |
| 'WebKit::ActivityStateChangeID', |
| 'WebKit::AudioMediaStreamTrackRendererIdentifier', |
| 'WebKit::ContentWorldIdentifier', |
| 'WebKit::DisplayLinkObserverID', |
| 'WebKit::DownloadID', |
| 'WebKit::GeolocationIdentifier', |
| 'WebKit::ImageBufferBackendHandle', |
| 'WebKit::ImageBufferFlushIdentifier', |
| 'WebKit::LayerHostingContextID', |
| 'WebKit::LegacyCustomProtocolID', |
| 'WebKit::LibWebRTCResolverIdentifier', |
| 'WebKit::MDNSRegisterIdentifier', |
| 'WebKit::MediaRecorderIdentifier', |
| 'WebKit::PDFPluginIdentifier', |
| 'WebKit::PlaybackSessionContextIdentifier', |
| 'WebKit::PluginProcessType', |
| 'WebKit::RemoteAudioDestinationIdentifier', |
| 'WebKit::RemoteAudioSessionIdentifier', |
| 'WebKit::RemoteCDMIdentifier', |
| 'WebKit::RemoteCDMInstanceIdentifier', |
| 'WebKit::RemoteCDMInstanceSessionIdentifier', |
| 'WebKit::RemoteLegacyCDMIdentifier', |
| 'WebKit::RemoteLegacyCDMSessionIdentifier', |
| 'WebKit::RemoteMediaResourceIdentifier', |
| 'WebKit::RenderingBackendIdentifier', |
| 'WebKit::RTCDecoderIdentifier', |
| 'WebKit::RTCEncoderIdentifier', |
| 'WebKit::SampleBufferDisplayLayerIdentifier', |
| 'WebKit::StorageAreaIdentifier', |
| 'WebKit::StorageAreaImplIdentifier', |
| 'WebKit::StorageNamespaceIdentifier', |
| 'WebKit::TrackPrivateRemoteIdentifier', |
| 'WebKit::TransactionID', |
| 'WebKit::UserContentControllerIdentifier', |
| 'WebKit::WebPageProxyIdentifier', |
| ]) |
| |
| |
| def conditions_for_header(header): |
| conditions = { |
| '"InputMethodState.h"': ["PLATFORM(GTK)", "PLATFORM(WPE)"], |
| '"LayerHostingContext.h"': ["PLATFORM(COCOA)", ], |
| '"GestureTypes.h"': ["PLATFORM(IOS_FAMILY)"], |
| } |
| if not header in conditions: |
| return None |
| return conditions[header] |
| |
| |
| def forward_declarations_and_headers(receiver): |
| types_by_namespace = collections.defaultdict(set) |
| |
| headers = set([ |
| '"ArgumentCoders.h"', |
| '"Connection.h"', |
| '"MessageNames.h"', |
| '<wtf/Forward.h>', |
| '<wtf/ThreadSafeRefCounted.h>', |
| '"%sMessagesReplies.h"' % receiver.name, |
| ]) |
| |
| non_template_wtf_types = frozenset([ |
| 'MachSendRight', |
| 'MediaType', |
| 'String', |
| ]) |
| |
| no_forward_declaration_types = types_that_cannot_be_forward_declared() |
| for parameter in receiver.iterparameters(): |
| kind = parameter.kind |
| type = parameter.type |
| |
| if type.find('<') != -1 or type in no_forward_declaration_types: |
| # Don't forward declare class templates. |
| headers.update(headers_for_type(type)) |
| continue |
| |
| split = type.split('::') |
| |
| # Handle WTF types even if the WTF:: prefix is not given |
| if split[0] in non_template_wtf_types: |
| split.insert(0, 'WTF') |
| |
| if len(split) == 2: |
| namespace = split[0] |
| inner_type = split[1] |
| types_by_namespace[namespace].add((kind, inner_type)) |
| elif len(split) > 2: |
| # We probably have a nested struct, which means we can't forward declare it. |
| # Include its header instead. |
| headers.update(headers_for_type(type)) |
| |
| forward_declarations = '\n'.join([forward_declarations_for_namespace(namespace, types) for (namespace, types) in sorted(types_by_namespace.items())]) |
| |
| header_includes = [] |
| for header in sorted(headers): |
| conditions = conditions_for_header(header) |
| if conditions and not None in conditions: |
| header_include = '#if %s\n' % ' || '.join(sorted(set(conditions))) |
| header_include += '#include %s\n' % header |
| header_include += '#endif\n' |
| header_includes.append(header_include) |
| else: |
| header_includes.append('#include %s\n' % header) |
| |
| return (forward_declarations, header_includes) |
| |
| |
| def forward_declarations_and_headers_for_replies(receiver): |
| types_by_namespace = collections.defaultdict(set) |
| |
| headers = set([ |
| '<wtf/Forward.h>', |
| '"MessageNames.h"', |
| ]) |
| |
| non_template_wtf_types = frozenset([ |
| 'MachSendRight', |
| 'MediaTime', |
| 'String', |
| ]) |
| |
| no_forward_declaration_types = types_that_cannot_be_forward_declared() |
| for message in receiver.messages: |
| if message.reply_parameters == None or not (message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE)): |
| continue |
| |
| for parameter in message.reply_parameters: |
| kind = parameter.kind |
| type = parameter.type |
| |
| if type.find('<') != -1 or type in no_forward_declaration_types: |
| # Don't forward declare class templates. |
| headers.update(headers_for_type(type)) |
| continue |
| |
| split = type.split('::') |
| |
| # Handle WTF types even if the WTF:: prefix is not given |
| if split[0] in non_template_wtf_types: |
| split.insert(0, 'WTF') |
| |
| if len(split) == 2: |
| namespace = split[0] |
| inner_type = split[1] |
| types_by_namespace[namespace].add((kind, inner_type)) |
| elif len(split) > 2: |
| # We probably have a nested struct, which means we can't forward declare it. |
| # Include its header instead. |
| headers.update(headers_for_type(type)) |
| |
| forward_declarations = '\n'.join([forward_declarations_for_namespace(namespace, types) for (namespace, types) in sorted(types_by_namespace.items())]) |
| |
| header_includes = [] |
| for header in sorted(headers): |
| conditions = conditions_for_header(header) |
| if conditions and not None in conditions: |
| header_include = '#if %s\n' % ' || '.join(sorted(set(conditions))) |
| header_include += '#include %s\n' % header |
| header_include += '#endif\n' |
| header_includes.append(header_include) |
| else: |
| header_includes.append('#include %s\n' % header) |
| |
| return (forward_declarations, header_includes) |
| |
| |
| def generate_messages_reply_header(receiver): |
| result = [] |
| |
| result.append(_license_header) |
| |
| result.append('#pragma once\n') |
| result.append('\n') |
| |
| if receiver.condition: |
| result.append('#if %s\n\n' % receiver.condition) |
| |
| forward_declarations, headers = forward_declarations_and_headers_for_replies(receiver) |
| |
| result += headers |
| result.append('\n') |
| |
| result.append(forward_declarations) |
| result.append('\n') |
| |
| result.append('namespace Messages {\nnamespace %s {\n' % receiver.name) |
| result.append('\n') |
| result.append('\n'.join(filter(None, [message_to_reply_forward_declaration(x) for x in receiver.messages]))) |
| result.append('\n') |
| result.append('} // namespace %s\n} // namespace Messages\n' % receiver.name) |
| |
| if receiver.condition: |
| result.append('\n#endif // %s\n' % receiver.condition) |
| |
| return ''.join(result) |
| |
| |
| def generate_messages_header(receiver): |
| result = [] |
| |
| result.append(_license_header) |
| |
| result.append('#pragma once\n') |
| result.append('\n') |
| |
| if receiver.condition: |
| result.append('#if %s\n\n' % receiver.condition) |
| |
| forward_declarations, headers = forward_declarations_and_headers(receiver) |
| |
| result += headers |
| result.append('\n') |
| |
| result.append(forward_declarations) |
| result.append('\n') |
| |
| result.append('namespace Messages {\nnamespace %s {\n' % receiver.name) |
| result.append('\n') |
| result.append('static inline IPC::ReceiverName messageReceiverName()\n') |
| result.append('{\n') |
| result.append(' return IPC::ReceiverName::%s;\n' % receiver.name) |
| result.append('}\n') |
| result.append('\n') |
| result.append('\n'.join([message_to_struct_declaration(receiver, x) for x in receiver.messages])) |
| result.append('\n') |
| result.append('} // namespace %s\n} // namespace Messages\n' % receiver.name) |
| |
| if receiver.condition: |
| result.append('\n#endif // %s\n' % receiver.condition) |
| |
| return ''.join(result) |
| |
| |
| def handler_function(receiver, message): |
| if message.name.find('URL') == 0: |
| return '%s::%s' % (receiver.name, 'url' + message.name[3:]) |
| return '%s::%s' % (receiver.name, message.name[0].lower() + message.name[1:]) |
| |
| |
| def async_message_statement(receiver, message): |
| dispatch_function_args = ['decoder', 'this', '&%s' % handler_function(receiver, message)] |
| |
| dispatch_function = 'handleMessage' |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| dispatch_function += 'Async' |
| dispatch_function_args.insert(0, 'connection') |
| |
| if message.has_attribute(WANTS_CONNECTION_ATTRIBUTE): |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| dispatch_function += 'WantsConnection' |
| else: |
| dispatch_function_args.insert(0, 'connection') |
| |
| result = [] |
| result.append(' if (decoder.messageName() == Messages::%s::%s::name()) {\n' % (receiver.name, message.name)) |
| result.append(' IPC::%s<Messages::%s::%s>(%s);\n' % (dispatch_function, receiver.name, message.name, ', '.join(dispatch_function_args))) |
| result.append(' return;\n') |
| result.append(' }\n') |
| return surround_in_condition(''.join(result), message.condition) |
| |
| |
| def sync_message_statement(receiver, message): |
| dispatch_function = 'handleMessage' |
| if message.has_attribute(SYNCHRONOUS_ATTRIBUTE): |
| dispatch_function += 'Synchronous' |
| if message.has_attribute(WANTS_CONNECTION_ATTRIBUTE): |
| dispatch_function += 'WantsConnection' |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| dispatch_function += 'Async' |
| |
| wants_connection = message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(WANTS_CONNECTION_ATTRIBUTE) |
| |
| result = [] |
| result.append(' if (decoder.messageName() == Messages::%s::%s::name()) {\n' % (receiver.name, message.name)) |
| result.append(' IPC::%s<Messages::%s::%s>(%sdecoder, %sreplyEncoder, this, &%s);\n' % (dispatch_function, receiver.name, message.name, 'connection, ' if wants_connection else '', '' if message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE) else '*', handler_function(receiver, message))) |
| result.append(' return;\n') |
| result.append(' }\n') |
| return surround_in_condition(''.join(result), message.condition) |
| |
| |
| def class_template_headers(template_string): |
| template_string = template_string.strip() |
| |
| class_template_types = { |
| 'WebCore::RectEdges': {'headers': ['<WebCore/RectEdges.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'Expected': {'headers': ['<wtf/Expected.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'HashMap': {'headers': ['<wtf/HashMap.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'HashSet': {'headers': ['<wtf/HashSet.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'Optional': {'headers': ['<wtf/Optional.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'OptionSet': {'headers': ['<wtf/OptionSet.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'Vector': {'headers': ['<wtf/Vector.h>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| 'std::pair': {'headers': ['<utility>'], 'argument_coder_headers': ['"ArgumentCoders.h"']}, |
| } |
| |
| match = re.match('(?P<template_name>.+?)<(?P<parameter_string>.+)>', template_string) |
| if not match: |
| return {'header_infos': [], 'types': [template_string]} |
| |
| template_name = match.groupdict()['template_name'] |
| if template_name not in class_template_types: |
| sys.stderr.write("Error: no class template type is defined for '%s'\n" % (template_string)) |
| sys.exit(1) |
| |
| header_infos = [class_template_types[template_name]] |
| types = [] |
| |
| for parameter in parser.split_parameters_string(match.groupdict()['parameter_string']): |
| parameter_header_infos_and_types = class_template_headers(parameter) |
| |
| header_infos += parameter_header_infos_and_types['header_infos'] |
| types += parameter_header_infos_and_types['types'] |
| |
| return {'header_infos': header_infos, 'types': types} |
| |
| |
| def argument_coder_headers_for_type(type): |
| header_infos_and_types = class_template_headers(type) |
| |
| special_cases = { |
| 'String': '"ArgumentCoders.h"', |
| 'WebKit::ScriptMessageHandlerHandle': '"WebScriptMessageHandler.h"', |
| } |
| |
| headers = [] |
| for header_info in header_infos_and_types['header_infos']: |
| headers += header_info['argument_coder_headers'] |
| |
| for type in header_infos_and_types['types']: |
| if type in special_cases: |
| headers.append(special_cases[type]) |
| continue |
| |
| split = type.split('::') |
| if len(split) < 2: |
| continue |
| if split[0] == 'WebCore': |
| headers.append('"WebCoreArgumentCoders.h"') |
| |
| return headers |
| |
| |
| def headers_for_type(type): |
| header_infos_and_types = class_template_headers(type) |
| |
| special_cases = { |
| 'MachSendRight': ['<wtf/MachSendRight.h>'], |
| 'JSC::MessageLevel': ['<JavaScriptCore/ConsoleTypes.h>'], |
| 'JSC::MessageSource': ['<JavaScriptCore/ConsoleTypes.h>'], |
| 'Inspector::InspectorTargetType': ['<JavaScriptCore/InspectorTarget.h>'], |
| 'Inspector::FrontendChannel::ConnectionType': ['<JavaScriptCore/InspectorFrontendChannel.h>'], |
| 'MediaTime': ['<wtf/MediaTime.h>'], |
| 'MonotonicTime': ['<wtf/MonotonicTime.h>'], |
| 'Seconds': ['<wtf/Seconds.h>'], |
| 'WallTime': ['<wtf/WallTime.h>'], |
| 'String': ['<wtf/text/WTFString.h>'], |
| 'PAL::SessionID': ['<pal/SessionID.h>'], |
| 'WebCore::AutoplayEventFlags': ['<WebCore/AutoplayEvent.h>'], |
| 'WebCore::DOMPasteAccessResponse': ['<WebCore/DOMPasteAccess.h>'], |
| 'WebCore::DocumentOrWorkerIdentifier': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebKit::DocumentEditingContextRequest': ['"DocumentEditingContext.h"'], |
| 'WebCore::DragApplicationFlags': ['<WebCore/DragData.h>'], |
| 'WebCore::DragHandlingMethod': ['<WebCore/DragActions.h>'], |
| 'WebCore::DragOperation': ['<WebCore/DragActions.h>'], |
| 'WebCore::DragSourceAction': ['<WebCore/DragActions.h>'], |
| 'WebCore::ExceptionDetails': ['<WebCore/JSDOMExceptionHandling.h>'], |
| 'WebCore::FileChooserSettings': ['<WebCore/FileChooser.h>'], |
| 'WebCore::ShareDataWithParsedURL': ['<WebCore/ShareData.h>'], |
| 'WebCore::FontChanges': ['<WebCore/FontAttributeChanges.h>'], |
| 'WebCore::FrameLoadType': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::EventMakesGamepadsVisible': ['<WebCore/GamepadProviderClient.h>'], |
| 'WebCore::GenericCueData': ['<WebCore/InbandGenericCue.h>'], |
| 'WebCore::GrammarDetail': ['<WebCore/TextCheckerClient.h>'], |
| 'WebCore::HasInsecureContent': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::Highlight': ['<WebCore/InspectorOverlay.h>'], |
| 'WebCore::IncludeSecureCookies': ['<WebCore/CookieJar.h>'], |
| 'WebCore::IndexedDB::ObjectStoreOverwriteMode': ['<WebCore/IndexedDB.h>'], |
| 'WebCore::InputMode': ['<WebCore/InputMode.h>'], |
| 'WebCore::KeyframeValueList': ['<WebCore/GraphicsLayer.h>'], |
| 'WebCore::KeypressCommand': ['<WebCore/KeyboardEvent.h>'], |
| 'WebCore::LegacyCDMSessionClient::MediaKeyErrorCode': ['<WebCore/LegacyCDMSession.h>'], |
| 'WebCore::LockBackForwardList': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::MessagePortChannelProvider::HasActivity': ['<WebCore/MessagePortChannelProvider.h>'], |
| 'WebCore::MouseEventPolicy': ['<WebCore/DocumentLoader.h>'], |
| 'WebCore::NetworkTransactionInformation': ['<WebCore/NetworkLoadInformation.h>'], |
| 'WebCore::PasteboardCustomData': ['<WebCore/Pasteboard.h>'], |
| 'WebCore::PasteboardImage': ['<WebCore/Pasteboard.h>'], |
| 'WebCore::PasteboardURL': ['<WebCore/Pasteboard.h>'], |
| 'WebCore::PasteboardWebContent': ['<WebCore/Pasteboard.h>'], |
| 'WebCore::PaymentAuthorizationResult': ['<WebCore/ApplePaySessionPaymentRequest.h>'], |
| 'WebCore::PlatformTextTrackData': ['<WebCore/PlatformTextTrack.h>'], |
| 'WebCore::PluginInfo': ['<WebCore/PluginData.h>'], |
| 'WebCore::PluginLoadClientPolicy': ['<WebCore/PluginData.h>'], |
| 'WebCore::PolicyAction': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::ShouldContinuePolicyCheck': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::PolicyCheckIdentifier': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::ProcessIdentifier': ['<WebCore/ProcessIdentifier.h>'], |
| 'WebCore::RecentSearch': ['<WebCore/SearchPopupMenu.h>'], |
| 'WebCore::RequestStorageAccessResult': ['<WebCore/DocumentStorageAccess.h>'], |
| 'WebCore::RouteSharingPolicy': ['<WebCore/AudioSession.h>'], |
| 'WebCore::SWServerConnectionIdentifier': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebCore::SelectionDirection': ['<WebCore/VisibleSelection.h>'], |
| 'WebCore::ServiceWorkerJobIdentifier': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebCore::ServiceWorkerOrClientData': ['<WebCore/ServiceWorkerTypes.h>', '<WebCore/ServiceWorkerClientData.h>', '<WebCore/ServiceWorkerData.h>'], |
| 'WebCore::ServiceWorkerOrClientIdentifier': ['<WebCore/ServiceWorkerTypes.h>', '<WebCore/ServiceWorkerClientIdentifier.h>'], |
| 'WebCore::ServiceWorkerRegistrationIdentifier': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebCore::ServiceWorkerRegistrationState': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebCore::ServiceWorkerState': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebCore::ShippingContactUpdate': ['<WebCore/ApplePaySessionPaymentRequest.h>'], |
| 'WebCore::ShippingMethodUpdate': ['<WebCore/ApplePaySessionPaymentRequest.h>'], |
| 'WebCore::ShouldAskITP': ['<WebCore/NetworkStorageSession.h>'], |
| 'WebCore::ShouldNotifyWhenResolved': ['<WebCore/ServiceWorkerTypes.h>'], |
| 'WebCore::ShouldSample': ['<WebCore/DiagnosticLoggingClient.h>'], |
| 'WebCore::StorageAccessPromptWasShown': ['<WebCore/DocumentStorageAccess.h>'], |
| 'WebCore::StorageAccessScope': ['<WebCore/DocumentStorageAccess.h>'], |
| 'WebCore::StorageAccessWasGranted': ['<WebCore/DocumentStorageAccess.h>'], |
| 'WebCore::SupportedPluginIdentifier': ['<WebCore/PluginData.h>'], |
| 'WebCore::SystemPreviewInfo': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::TextCheckingRequestData': ['<WebCore/TextChecking.h>'], |
| 'WebCore::TextCheckingResult': ['<WebCore/TextCheckerClient.h>'], |
| 'WebCore::TextCheckingType': ['<WebCore/TextChecking.h>'], |
| 'WebCore::TextIndicatorData': ['<WebCore/TextIndicator.h>'], |
| 'WebCore::ThirdPartyCookieBlockingMode': ['<WebCore/NetworkStorageSession.h>'], |
| 'WebCore::SameSiteStrictEnforcementEnabled': ['<WebCore/NetworkStorageSession.h>'], |
| 'WebCore::FirstPartyWebsiteDataRemovalMode': ['<WebCore/NetworkStorageSession.h>'], |
| 'WebCore::UsedLegacyTLS': ['<WebCore/ResourceResponseBase.h>'], |
| 'WebCore::ViewportAttributes': ['<WebCore/ViewportArguments.h>'], |
| 'WebCore::WebGLLoadPolicy': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::WillContinueLoading': ['<WebCore/FrameLoaderTypes.h>'], |
| 'WebCore::SelectionRect': ['"EditorState.h"'], |
| 'WebKit::ActivityStateChangeID': ['"DrawingAreaInfo.h"'], |
| 'WebKit::AllowOverwrite': ['"DownloadID.h"'], |
| 'WebKit::BackForwardListItemState': ['"SessionState.h"'], |
| 'WebKit::ContentWorldIdentifier': ['"ContentWorldShared.h"'], |
| 'WebKit::FindOptions': ['"WebFindOptions.h"'], |
| 'WebKit::GestureRecognizerState': ['"GestureTypes.h"'], |
| 'WebKit::GestureType': ['"GestureTypes.h"'], |
| 'WebKit::LayerHostingContextID': ['"LayerHostingContext.h"'], |
| 'WebKit::LayerHostingMode': ['"LayerTreeContext.h"'], |
| 'WebKit::PageState': ['"SessionState.h"'], |
| 'WebKit::PaymentSetupConfiguration': ['"PaymentSetupConfigurationWebKit.h"'], |
| 'WebKit::PaymentSetupFeatures': ['"ApplePayPaymentSetupFeaturesWebKit.h"'], |
| 'WebKit::PluginProcessType': ['"PluginProcessAttributes.h"'], |
| 'WebKit::RespectSelectionAnchor': ['"GestureTypes.h"'], |
| 'WebKit::SelectionFlags': ['"GestureTypes.h"'], |
| 'WebKit::SelectionTouch': ['"GestureTypes.h"'], |
| 'WebCore::MediaEngineSupportParameters': ['<WebCore/MediaPlayer.h>'], |
| 'WebCore::ISOWebVTTCue': ['<WebCore/ISOVTTCue.h>'], |
| 'struct WebCore::Cookie': ['<WebCore/Cookie.h>'], |
| 'struct WebCore::ElementContext': ['<WebCore/ElementContext.h>'], |
| 'struct WebKit::WebUserScriptData': ['"WebUserContentControllerDataTypes.h"'], |
| 'struct WebKit::WebUserStyleSheetData': ['"WebUserContentControllerDataTypes.h"'], |
| 'struct WebKit::WebScriptMessageHandlerData': ['"WebUserContentControllerDataTypes.h"'], |
| 'webrtc::WebKitEncodedFrameInfo': ['<webrtc/sdk/WebKit/WebKitEncoder.h>', '<WebCore/LibWebRTCEnumTraits.h>'], |
| 'webrtc::WebKitRTPFragmentationHeader': ['<webrtc/sdk/WebKit/WebKitEncoder.h>'], |
| } |
| |
| headers = [] |
| for header_info in header_infos_and_types['header_infos']: |
| headers += header_info['headers'] |
| |
| for type in header_infos_and_types['types']: |
| if type in special_cases: |
| headers += special_cases[type] |
| continue |
| |
| # We assume that we must include a header for a type iff it has a scope |
| # resolution operator (::). |
| split = type.split('::') |
| if len(split) < 2: |
| continue |
| |
| if split[0] == 'WebKit' or split[0] == 'IPC': |
| headers.append('"%s.h"' % split[1]) |
| else: |
| headers.append('<%s/%s.h>' % tuple(split[0:2])) |
| |
| return headers |
| |
| |
| def collect_header_conditions_for_receiver(receiver, header_conditions): |
| type_conditions = {} |
| for parameter in receiver.iterparameters(): |
| if not parameter.type in type_conditions: |
| type_conditions[parameter.type] = [] |
| |
| if not parameter.condition in type_conditions[parameter.type]: |
| type_conditions[parameter.type].append(parameter.condition) |
| |
| for parameter in receiver.iterparameters(): |
| type = parameter.type |
| conditions = type_conditions[type] |
| |
| argument_encoder_headers = argument_coder_headers_for_type(type) |
| if argument_encoder_headers: |
| for header in argument_encoder_headers: |
| if header not in header_conditions: |
| header_conditions[header] = [] |
| header_conditions[header].extend(conditions) |
| |
| type_headers = headers_for_type(type) |
| for header in type_headers: |
| if header not in header_conditions: |
| header_conditions[header] = [] |
| header_conditions[header].extend(conditions) |
| |
| for message in receiver.messages: |
| if message.reply_parameters is not None: |
| for reply_parameter in message.reply_parameters: |
| type = reply_parameter.type |
| argument_encoder_headers = argument_coder_headers_for_type(type) |
| if argument_encoder_headers: |
| for header in argument_encoder_headers: |
| if header not in header_conditions: |
| header_conditions[header] = [] |
| header_conditions[header].append(message.condition) |
| |
| type_headers = headers_for_type(type) |
| for header in type_headers: |
| if header not in header_conditions: |
| header_conditions[header] = [] |
| header_conditions[header].append(message.condition) |
| |
| return header_conditions |
| |
| |
| def generate_header_includes_from_conditions(header_conditions): |
| result = [] |
| for header in sorted(header_conditions): |
| if header_conditions[header] and not None in header_conditions[header]: |
| result.append('#if %s\n' % ' || '.join(sorted(set(header_conditions[header])))) |
| result += ['#include %s\n' % header] |
| result.append('#endif\n') |
| else: |
| result += ['#include %s\n' % header] |
| return result |
| |
| |
| def generate_message_handler(receiver): |
| header_conditions = { |
| '"%s"' % messages_header_filename(receiver): [None], |
| '"HandleMessage.h"': [None], |
| '"Decoder.h"': [None], |
| } |
| |
| collect_header_conditions_for_receiver(receiver, header_conditions) |
| |
| result = [] |
| |
| result.append(_license_header) |
| result.append('#include "config.h"\n') |
| result.append('\n') |
| |
| if receiver.condition: |
| result.append('#if %s\n\n' % receiver.condition) |
| |
| result.append('#include "%s.h"\n\n' % receiver.name) |
| result += generate_header_includes_from_conditions(header_conditions) |
| result.append('\n') |
| |
| delayed_or_async_messages = [] |
| for message in receiver.messages: |
| if message.reply_parameters != None and (message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE)): |
| delayed_or_async_messages.append(message) |
| |
| if delayed_or_async_messages: |
| result.append('namespace Messages {\n\nnamespace %s {\n\n' % receiver.name) |
| |
| for message in delayed_or_async_messages: |
| send_parameters = [(function_parameter_type(x.type, x.kind), x.name) for x in message.reply_parameters] |
| |
| if message.condition: |
| result.append('#if %s\n\n' % message.condition) |
| |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| move_parameters = message.name, ', '.join([move_type(x.type) for x in message.reply_parameters]) |
| result.append('void %s::callReply(IPC::Decoder& decoder, CompletionHandler<void(%s)>&& completionHandler)\n{\n' % move_parameters) |
| for x in message.reply_parameters: |
| result.append(' Optional<%s> %s;\n' % (x.type, x.name)) |
| result.append(' decoder >> %s;\n' % x.name) |
| result.append(' if (!%s) {\n ASSERT_NOT_REACHED();\n cancelReply(WTFMove(completionHandler));\n return;\n }\n' % x.name) |
| result.append(' completionHandler(') |
| if len(message.reply_parameters): |
| result.append('WTFMove(*%s)' % ('), WTFMove(*'.join(x.name for x in message.reply_parameters))) |
| result.append(');\n}\n\n') |
| result.append('void %s::cancelReply(CompletionHandler<void(%s)>&& completionHandler)\n{\n completionHandler(' % move_parameters) |
| result.append(', '.join(['IPC::AsyncReplyError<' + x.type + '>::create()' for x in message.reply_parameters])) |
| result.append(');\n}\n\n') |
| |
| result.append('void %s::send(std::unique_ptr<IPC::Encoder>&& encoder, IPC::Connection& connection' % (message.name)) |
| if len(send_parameters): |
| result.append(', %s' % ', '.join([' '.join(x) for x in send_parameters])) |
| result.append(')\n{\n') |
| result += [' *encoder << %s;\n' % x.name for x in message.reply_parameters] |
| result.append(' connection.sendSyncReply(WTFMove(encoder));\n') |
| result.append('}\n') |
| result.append('\n') |
| |
| if message.condition: |
| result.append('#endif\n\n') |
| |
| result.append('} // namespace %s\n\n} // namespace Messages\n\n' % receiver.name) |
| |
| result.append('namespace WebKit {\n\n') |
| |
| async_messages = [] |
| sync_messages = [] |
| for message in receiver.messages: |
| if message.reply_parameters is not None and not message.has_attribute(ASYNC_ATTRIBUTE): |
| sync_messages.append(message) |
| else: |
| async_messages.append(message) |
| |
| if async_messages or receiver.has_attribute(WANTS_DISPATCH_MESSAGE_ATTRIBUTE) or receiver.has_attribute(WANTS_ASYNC_DISPATCH_MESSAGE_ATTRIBUTE): |
| result.append('void %s::didReceive%sMessage(IPC::Connection& connection, IPC::Decoder& decoder)\n' % (receiver.name, receiver.name if receiver.has_attribute(LEGACY_RECEIVER_ATTRIBUTE) else '')) |
| result.append('{\n') |
| if not receiver.has_attribute(NOT_REFCOUNTED_RECEIVER_ATTRIBUTE): |
| result.append(' auto protectedThis = makeRef(*this);\n') |
| |
| result += [async_message_statement(receiver, message) for message in async_messages] |
| if receiver.has_attribute(WANTS_DISPATCH_MESSAGE_ATTRIBUTE) or receiver.has_attribute(WANTS_ASYNC_DISPATCH_MESSAGE_ATTRIBUTE): |
| result.append(' if (dispatchMessage(connection, decoder))\n') |
| result.append(' return;\n') |
| if (receiver.superclass): |
| result.append(' %s::didReceiveMessage(connection, decoder);\n' % (receiver.superclass)) |
| else: |
| result.append(' UNUSED_PARAM(connection);\n') |
| result.append(' UNUSED_PARAM(decoder);\n') |
| result.append(' ASSERT_NOT_REACHED();\n') |
| result.append('}\n') |
| |
| if sync_messages or receiver.has_attribute(WANTS_DISPATCH_MESSAGE_ATTRIBUTE): |
| result.append('\n') |
| result.append('void %s::didReceiveSync%sMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& replyEncoder)\n' % (receiver.name, receiver.name if receiver.has_attribute(LEGACY_RECEIVER_ATTRIBUTE) else '')) |
| result.append('{\n') |
| if not receiver.has_attribute(NOT_REFCOUNTED_RECEIVER_ATTRIBUTE): |
| result.append(' auto protectedThis = makeRef(*this);\n') |
| result += [sync_message_statement(receiver, message) for message in sync_messages] |
| if receiver.has_attribute(WANTS_DISPATCH_MESSAGE_ATTRIBUTE): |
| result.append(' if (dispatchSyncMessage(connection, decoder, replyEncoder))\n') |
| result.append(' return;\n') |
| result.append(' UNUSED_PARAM(connection);\n') |
| result.append(' UNUSED_PARAM(decoder);\n') |
| result.append(' UNUSED_PARAM(replyEncoder);\n') |
| result.append(' ASSERT_NOT_REACHED();\n') |
| result.append('}\n') |
| |
| result.append('\n} // namespace WebKit\n\n') |
| |
| if receiver.condition: |
| result.append('\n#endif // %s\n' % receiver.condition) |
| |
| return ''.join(result) |
| |
| |
| def generate_message_names_header(receivers): |
| result = [] |
| result.append(_license_header) |
| result.append('#pragma once\n') |
| result.append('\n') |
| result.append('#include <wtf/EnumTraits.h>\n') |
| result.append('\n') |
| result.append('namespace IPC {\n') |
| result.append('\n') |
| result.append('enum class ReceiverName : uint8_t {') |
| |
| enum_value = 1 |
| first_receiver = True |
| for receiver in receivers: |
| result.append('\n') |
| result.append(' ') |
| if not first_receiver: |
| result.append(', ') |
| first_receiver = False |
| result.append('%s = %d' % (receiver.name, enum_value)) |
| enum_value = enum_value + 1 |
| result.append('\n , IPC = %d' % enum_value) |
| enum_value = enum_value + 1 |
| result.append('\n , AsyncReply = %d' % enum_value) |
| enum_value = enum_value + 1 |
| result.append('\n , Invalid = %d' % enum_value) |
| result.append('\n};\n') |
| result.append('\n') |
| result.append('enum class MessageName : uint16_t {') |
| |
| enum_values = set() |
| for receiver in receivers: |
| for message in receiver.messages: |
| enum_values.add('%s_%s' % (receiver.name, message.name)) |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| enum_values.add('%s_%sReply' % (receiver.name, message.name)) |
| |
| first_message = True |
| for enum_value in sorted(enum_values): |
| result.append('\n ') |
| if not first_message: |
| result.append(', ') |
| first_message = False |
| result.append(enum_value) |
| result.append('\n , WrappedAsyncMessageForTesting') |
| result.append('\n , SyncMessageReply') |
| result.append('\n , InitializeConnection') |
| result.append('\n , LegacySessionState') |
| result.append('\n , Last = LegacySessionState') |
| result.append('\n};\n') |
| result.append('\n') |
| result.append('ReceiverName receiverName(MessageName);\n') |
| result.append('const char* description(MessageName);\n') |
| result.append('bool isValidMessageName(MessageName);\n') |
| result.append('\n') |
| result.append('} // namespace IPC\n') |
| result.append('\n') |
| result.append('namespace WTF {\n') |
| result.append('\n') |
| result.append('template<>\n') |
| result.append('class HasCustomIsValidEnum<IPC::MessageName> : public std::true_type { };\n') |
| result.append('template<typename E, typename T, std::enable_if_t<std::is_same_v<E, IPC::MessageName>>* = nullptr>\n') |
| result.append('bool isValidEnum(T messageName)\n') |
| result.append('{\n') |
| result.append(' static_assert(sizeof(T) == sizeof(E), "isValidEnum<IPC::MessageName> should only be called with 16-bit types");\n') |
| result.append(' static_assert(std::is_unsigned<T>::value, "isValidEnum<IPC::MessageName> should only be called with unsigned types");\n') |
| result.append(' if (messageName > static_cast<std::underlying_type<IPC::MessageName>::type>(IPC::MessageName::Last))\n') |
| result.append(' return false;\n') |
| result.append(' return IPC::isValidMessageName(static_cast<E>(messageName));\n') |
| result.append('};\n') |
| result.append('\n') |
| result.append('} // namespace WTF\n') |
| return ''.join(result) |
| |
| |
| def generate_message_names_implementation(receivers): |
| result = [] |
| result.append(_license_header) |
| result.append('#include "config.h"\n') |
| result.append('#include "MessageNames.h"\n') |
| result.append('\n') |
| result.append('namespace IPC {\n') |
| result.append('\n') |
| result.append('const char* description(MessageName name)\n') |
| result.append('{\n') |
| result.append(' switch (name) {\n') |
| enum_values = set() |
| for receiver in receivers: |
| for message in receiver.messages: |
| enum_values.add('%s_%s' % (receiver.name, message.name)) |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| enum_values.add('%s_%sReply' % (receiver.name, message.name)) |
| |
| for enum_value in sorted(enum_values): |
| result.append(' case MessageName::%s:\n' % enum_value) |
| result.append(' return "%s";\n' % enum_value) |
| result.append(' case MessageName::WrappedAsyncMessageForTesting:\n') |
| result.append(' return "IPC::WrappedAsyncMessageForTesting";\n') |
| result.append(' case MessageName::SyncMessageReply:\n') |
| result.append(' return "IPC::SyncMessageReply";\n') |
| result.append(' case MessageName::InitializeConnection:\n') |
| result.append(' return "IPC::InitializeConnection";\n') |
| result.append(' case MessageName::LegacySessionState:\n') |
| result.append(' return "IPC::LegacySessionState";\n') |
| result.append(' }\n') |
| result.append(' ASSERT_NOT_REACHED();\n') |
| result.append(' return "<invalid message name>";\n') |
| result.append('}\n') |
| result.append('\n') |
| result.append('ReceiverName receiverName(MessageName messageName)\n') |
| result.append('{\n') |
| result.append(' switch (messageName) {\n') |
| message_receiver_map = dict() |
| async_reply_messages = set() |
| for receiver in receivers: |
| messages = set() |
| for message in receiver.messages: |
| messages.add('%s_%s' % (receiver.name, message.name)) |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| async_reply_messages.add('%s_%sReply' % (receiver.name, message.name)) |
| if len(messages): |
| message_receiver_map[receiver.name] = messages |
| |
| for receiver_name, message_names in message_receiver_map.items(): |
| for message_name in sorted(message_names): |
| result.append(' case MessageName::%s:\n' % message_name) |
| result.append(' return ReceiverName::%s;\n' % receiver_name) |
| |
| for async_reply_message in sorted(async_reply_messages): |
| result.append(' case MessageName::%s:\n' % async_reply_message) |
| result.append(' return ReceiverName::AsyncReply;\n') |
| result.append(' case MessageName::WrappedAsyncMessageForTesting:\n') |
| result.append(' case MessageName::SyncMessageReply:\n') |
| result.append(' case MessageName::InitializeConnection:\n') |
| result.append(' case MessageName::LegacySessionState:\n') |
| result.append(' return ReceiverName::IPC;\n') |
| result.append(' }\n') |
| result.append(' ASSERT_NOT_REACHED();\n') |
| result.append(' return ReceiverName::Invalid;\n') |
| result.append('}\n') |
| result.append('\n') |
| result.append('bool isValidMessageName(MessageName messageName)\n') |
| result.append('{\n') |
| for receiver in receivers: |
| for message in receiver.messages: |
| if message.condition: |
| result.append('#if %s\n' % message.condition) |
| result.append(' if (messageName == IPC::MessageName::%s_%s)\n' % (receiver.name, message.name)) |
| result.append(' return true;\n') |
| if message.has_attribute(ASYNC_ATTRIBUTE): |
| result.append(' if (messageName == IPC::MessageName::%s_%sReply)\n' % (receiver.name, message.name)) |
| result.append(' return true;\n') |
| if message.condition: |
| result.append('#endif\n') |
| result.append(' if (messageName == IPC::MessageName::WrappedAsyncMessageForTesting)\n') |
| result.append(' return true;\n') |
| result.append(' if (messageName == IPC::MessageName::SyncMessageReply)\n') |
| result.append(' return true;\n') |
| result.append(' if (messageName == IPC::MessageName::InitializeConnection)\n') |
| result.append(' return true;\n') |
| result.append(' if (messageName == IPC::MessageName::LegacySessionState)\n') |
| result.append(' return true;\n') |
| result.append(' return false;\n') |
| result.append('};\n') |
| result.append('\n') |
| result.append('} // namespace IPC\n') |
| return ''.join(result) |
| |
| |
| def generate_js_value_conversion_function(result, receivers, function_name, argument_type, predicate=lambda message: True): |
| result.append('Optional<JSC::JSValue> %s(JSC::JSGlobalObject* globalObject, MessageName name, Decoder& decoder)\n' % function_name) |
| result.append('{\n') |
| result.append(' switch (name) {\n') |
| for receiver in receivers: |
| if receiver.condition: |
| result.append('#if %s\n' % receiver.condition) |
| previous_message_condition = None |
| for message in receiver.messages: |
| if not predicate(message): |
| continue |
| if previous_message_condition != message.condition: |
| if previous_message_condition: |
| result.append('#endif\n') |
| if message.condition: |
| result.append('#if %s\n' % message.condition) |
| previous_message_condition = message.condition |
| result.append(' case MessageName::%s_%s:\n' % (receiver.name, message.name)) |
| result.append(' return jsValueForDecodedArguments<Messages::%s::%s::%s>(globalObject, decoder);\n' % (receiver.name, message.name, argument_type)) |
| if previous_message_condition: |
| result.append('#endif\n') |
| if receiver.condition: |
| result.append('#endif\n') |
| result.append(' default:\n') |
| result.append(' break;\n') |
| result.append(' }\n') |
| result.append(' return WTF::nullopt;\n') |
| result.append('}\n') |
| |
| |
| def generate_js_argument_descriptions(receivers, function_name, arguments_from_message): |
| result = [] |
| result.append('Optional<Vector<ArgumentDescription>> %s(MessageName name)\n' % function_name) |
| result.append('{\n') |
| result.append(' switch (name) {\n') |
| for receiver in receivers: |
| if receiver.condition: |
| result.append('#if %s\n' % receiver.condition) |
| previous_message_condition = None |
| for message in receiver.messages: |
| argument_list = arguments_from_message(message) |
| if argument_list is None: |
| continue |
| if previous_message_condition != message.condition: |
| if previous_message_condition: |
| result.append('#endif\n') |
| if message.condition: |
| result.append('#if %s\n' % message.condition) |
| previous_message_condition = message.condition |
| result.append(' case MessageName::%s_%s:\n' % (receiver.name, message.name)) |
| |
| if not len(argument_list): |
| result.append(' return Vector<ArgumentDescription> { };\n') |
| continue |
| |
| result.append(' return Vector<ArgumentDescription> {\n') |
| for argument in argument_list: |
| argument_type = argument.type |
| enum_type = None |
| is_optional = False |
| if argument.kind.startswith('enum:'): |
| enum_type = '"%s"' % argument_type |
| argument_type = argument.kind[5:] |
| if argument_type.startswith('Optional<') and argument_type.endswith('>'): |
| argument_type = argument_type[9:-1] |
| is_optional = True |
| result.append(' {"%s", "%s", %s, %s},\n' % (argument.name, argument_type, enum_type or 'nullptr', 'true' if is_optional else 'false')) |
| result.append(' };\n') |
| if previous_message_condition: |
| result.append('#endif\n') |
| if receiver.condition: |
| result.append('#endif\n') |
| result.append(' default:\n') |
| result.append(' break;\n') |
| result.append(' }\n') |
| result.append(' return WTF::nullopt;\n') |
| result.append('}\n') |
| return result |
| |
| |
| def generate_message_argument_description_implementation(receivers, receiver_headers): |
| header_conditions = { |
| '"JSIPCBinding.h"': [None] |
| } |
| for receiver in receivers: |
| header_conditions['"%s"' % messages_header_filename(receiver)] = [None] |
| collect_header_conditions_for_receiver(receiver, header_conditions) |
| |
| result = [] |
| result.append(_license_header) |
| result.append('#include "config.h"\n') |
| result.append('#include "MessageArgumentDescriptions.h"\n') |
| result.append('\n') |
| result.append('#if ENABLE(IPC_TESTING_API)\n') |
| result.append('\n') |
| result += generate_header_includes_from_conditions(header_conditions) |
| result.append('\n') |
| |
| for header in receiver_headers: |
| result.append('#include "%s"\n' % (header)) |
| |
| result.append('\n') |
| result.append('namespace IPC {\n') |
| result.append('\n') |
| |
| generate_js_value_conversion_function(result, receivers, 'jsValueForArguments', 'Arguments') |
| |
| result.append('\n') |
| |
| generate_js_value_conversion_function(result, receivers, 'jsValueForReplyArguments', 'ReplyArguments', lambda message: message.reply_parameters is not None and (message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE))) |
| |
| result.append('\n') |
| |
| result += generate_js_argument_descriptions(receivers, 'messageArgumentDescriptions', lambda message: message.parameters) |
| |
| result.append('\n') |
| |
| result += generate_js_argument_descriptions(receivers, 'messageReplyArgumentDescriptions', lambda message: message.reply_parameters if message.has_attribute(SYNCHRONOUS_ATTRIBUTE) or message.has_attribute(ASYNC_ATTRIBUTE) else None) |
| |
| result.append('\n') |
| result.append('bool messageIsSync(MessageName name)\n') |
| result.append('{\n') |
| result.append(' switch (name) {\n') |
| for receiver in receivers: |
| has_emit_receiver_condition = False |
| previous_message_condition = None |
| for message in receiver.messages: |
| if message.reply_parameters is None or not message.has_attribute(SYNCHRONOUS_ATTRIBUTE): |
| continue |
| if not has_emit_receiver_condition and receiver.condition: |
| has_emit_receiver_condition = True |
| result.append('#if %s\n' % receiver.condition) |
| if previous_message_condition != message.condition: |
| if previous_message_condition: |
| result.append('#endif\n') |
| if message.condition: |
| result.append('#if %s\n' % message.condition) |
| previous_message_condition = message.condition |
| result.append(' case MessageName::%s_%s:\n' % (receiver.name, message.name)) |
| result.append(' return true;\n') |
| if previous_message_condition: |
| result.append('#endif\n') |
| if has_emit_receiver_condition: |
| result.append('#endif\n') |
| result.append(' default:\n') |
| result.append(' break;\n') |
| result.append(' }\n') |
| result.append(' return false;\n') |
| result.append('}\n') |
| result.append('\n') |
| |
| result.append('} // namespace WebKit\n') |
| result.append('\n') |
| result.append('#endif\n') |
| return ''.join(result) |
