diff options
Diffstat (limited to 'chromium/third_party/blink/renderer/bindings/scripts/v8_dictionary.py')
| -rw-r--r-- | chromium/third_party/blink/renderer/bindings/scripts/v8_dictionary.py | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/chromium/third_party/blink/renderer/bindings/scripts/v8_dictionary.py b/chromium/third_party/blink/renderer/bindings/scripts/v8_dictionary.py deleted file mode 100644 index 81b0e6b99d8..00000000000 --- a/chromium/third_party/blink/renderer/bindings/scripts/v8_dictionary.py +++ /dev/null @@ -1,379 +0,0 @@ -# Copyright 2014 The Chromium Authors. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. -"""Generate template contexts of dictionaries for both v8 bindings and -implementation classes that are used by blink's core/modules. -""" - -from blinkbuild.name_style_converter import NameStyleConverter -from idl_types import IdlType -from utilities import to_snake_case -from v8_globals import includes -from v8_utilities import has_extended_attribute_value -import operator -import v8_types -import v8_utilities - -DICTIONARY_H_INCLUDES = frozenset([ - 'base/containers/span.h', - 'bindings/core/v8/native_value_traits.h', - 'bindings/core/v8/to_v8_for_core.h', - 'bindings/core/v8/v8_binding_for_core.h', - 'platform/heap/handle.h', -]) - -DICTIONARY_CPP_INCLUDES = frozenset([ - 'base/stl_util.h', - 'platform/bindings/exception_state.h', -]) - - -def getter_name_for_dictionary_member(member): - name = v8_utilities.cpp_name(member) - return NameStyleConverter(name).to_lower_camel_case() - - -def non_null_getter_name_for_dictionary_member(member): - name = v8_utilities.cpp_name(member) - return NameStyleConverter('{}_non_null'.format(name)).to_lower_camel_case() - - -def setter_name_for_dictionary_member(member): - name = 'set_{}'.format(v8_utilities.cpp_name(member)) - return NameStyleConverter(name).to_lower_camel_case() - - -def null_setter_name_for_dictionary_member(member): - if member.idl_type.is_nullable: - name = 'set_{}_to_null'.format(v8_utilities.cpp_name(member)) - return NameStyleConverter(name).to_lower_camel_case() - return None - - -def has_method_name_for_dictionary_member(member): - name = NameStyleConverter('has_' + v8_utilities.cpp_name(member)) - return name.to_lower_camel_case() - - -def non_null_has_method_name_for_dictionary_member(member, for_non_null=False): - name = 'has_{}_non_null'.format(v8_utilities.cpp_name(member)) - return NameStyleConverter(name).to_lower_camel_case() - - -def unwrap_nullable_if_needed(idl_type): - if idl_type.is_nullable: - return idl_type.inner_type - return idl_type - - -# Context for V8 bindings - - -def dictionary_context(dictionary, interfaces_info, component_info): - includes.clear() - includes.update(DICTIONARY_CPP_INCLUDES) - - if 'RuntimeEnabled' in dictionary.extended_attributes: - raise Exception( - 'Dictionary cannot be RuntimeEnabled: %s' % dictionary.name) - - members = [ - member_context(dictionary, member, component_info) - for member in sorted( - dictionary.members, key=operator.attrgetter('name')) - ] - - for member in members: - if member['runtime_enabled_feature_name']: - includes.add('platform/runtime_enabled_features.h') - break - - has_origin_trial_members = False - for member in members: - if member['origin_trial_feature_name']: - has_origin_trial_members = True - includes.add('core/origin_trials/origin_trials.h') - includes.add('core/execution_context/execution_context.h') - break - - cpp_class = v8_utilities.cpp_name(dictionary) - context = { - 'cpp_class': - cpp_class, - 'has_origin_trial_members': - has_origin_trial_members, - 'header_includes': - set(DICTIONARY_H_INCLUDES), - 'members': - members, - 'required_member_names': - sorted([ - member.name for member in dictionary.members if member.is_required - ]), - 'use_permissive_dictionary_conversion': - 'PermissiveDictionaryConversion' in dictionary.extended_attributes, - 'v8_class': - v8_types.v8_type(cpp_class), - } - if dictionary.parent: - IdlType(dictionary.parent).add_includes_for_type() - parent_cpp_class = v8_utilities.cpp_name_from_interfaces_info( - dictionary.parent, interfaces_info) - context.update({ - 'parent_cpp_class': parent_cpp_class, - 'parent_v8_class': v8_types.v8_type(parent_cpp_class), - }) - return context - - -def member_context(_, member, component_info): - extended_attributes = member.extended_attributes - idl_type = member.idl_type - idl_type.add_includes_for_type(extended_attributes) - unwrapped_idl_type = unwrap_nullable_if_needed(idl_type) - - if member.is_required and member.default_value: - raise Exception( - 'Required member %s must not have a default value.' % member.name) - - if idl_type.is_nullable and idl_type.inner_type.is_dictionary: - raise Exception( - 'The inner type of nullable member %s must not be a dictionary.' % - member.name) - - # In most cases, we don't have to distinguish `null` and `not present`, - # and use null-states (e.g. nullptr, foo.IsUndefinedOrNull()) to show such - # states for some types for memory usage and performance. - # For types whose |has_explicit_presence| is True, we provide explicit - # states of presence. - has_explicit_presence = (idl_type.is_nullable - and idl_type.inner_type.is_interface_type) - - def default_values(): - if not member.default_value: - return None, None - if member.default_value.is_null: - return None, 'v8::Null(isolate)' - - cpp_default_value = unwrapped_idl_type.literal_cpp_value( - member.default_value) - v8_default_value = unwrapped_idl_type.cpp_value_to_v8_value( - cpp_value=cpp_default_value, - isolate='isolate', - creation_context='creationContext') - return cpp_default_value, v8_default_value - - cpp_default_value, v8_default_value = default_values() - snake_case_name = to_snake_case(member.name) - cpp_value = snake_case_name + "_cpp_value" - v8_value = snake_case_name + "_value" - has_value_or_default = snake_case_name + "_has_value_or_default" - getter_name = getter_name_for_dictionary_member(member) - runtime_features = component_info['runtime_enabled_features'] - - return { - 'cpp_default_value': - cpp_default_value, - 'cpp_type': - unwrapped_idl_type.cpp_type, - 'cpp_value': - cpp_value, - 'cpp_value_to_v8_value': - unwrapped_idl_type.cpp_value_to_v8_value( - cpp_value='impl->%s()' % getter_name, - isolate='isolate', - creation_context='creationContext', - extended_attributes=extended_attributes), - 'deprecate_as': - v8_utilities.deprecate_as(member), - 'enum_type': - idl_type.enum_type, - 'enum_values': - idl_type.enum_values, - 'getter_name': - getter_name, - 'has_explicit_presence': - has_explicit_presence, - 'has_method_name': - has_method_name_for_dictionary_member(member), - 'idl_type': - idl_type.base_type, - 'is_callback_function_type': - idl_type.is_callback_function, - 'is_interface_type': - idl_type.is_interface_type, - 'is_nullable': - idl_type.is_nullable, - 'is_object': - unwrapped_idl_type.name == 'Object', - 'is_string_type': - idl_type.preprocessed_type.is_string_type, - 'is_required': - member.is_required, - 'name': - member.name, - # [RuntimeEnabled] for origin trial - 'origin_trial_feature_name': - v8_utilities.origin_trial_feature_name(member, runtime_features), - # [RuntimeEnabled] if not in origin trial - 'runtime_enabled_feature_name': - v8_utilities.runtime_enabled_feature_name(member, runtime_features), - 'setter_name': - setter_name_for_dictionary_member(member), - 'has_value_or_default': - has_value_or_default, - 'null_setter_name': - null_setter_name_for_dictionary_member(member), - 'v8_default_value': - v8_default_value, - 'v8_value': - v8_value, - 'v8_value_to_local_cpp_value': - idl_type.v8_value_to_local_cpp_value( - extended_attributes, - v8_value, - cpp_value, - isolate='isolate', - use_exception_state=True), - } - - -# Context for implementation classes - - -def dictionary_impl_context(dictionary, interfaces_info): - def remove_duplicate_members(members): - # When [ImplementedAs] is used, cpp_name can conflict. For example, - # dictionary D { long foo; [ImplementedAs=foo, DeprecateAs=Foo] long oldFoo; }; - # This function removes such duplications, checking they have the same type. - members_dict = {} - for member in members: - cpp_name = member['cpp_name'] - duplicated_member = members_dict.get(cpp_name) - if duplicated_member and duplicated_member != member: - raise Exception('Member name conflict: %s' % cpp_name) - members_dict[cpp_name] = member - return sorted( - members_dict.values(), key=lambda member: member['cpp_name']) - - includes.clear() - header_forward_decls = set() - header_includes = set(['platform/heap/handle.h']) - members = [ - member_impl_context(member, interfaces_info, header_includes, - header_forward_decls) - for member in dictionary.members - ] - members = remove_duplicate_members(members) - context = { - 'header_forward_decls': header_forward_decls, - 'header_includes': header_includes, - 'cpp_class': v8_utilities.cpp_name(dictionary), - 'members': members, - } - if dictionary.parent: - context['parent_cpp_class'] = \ - v8_utilities.cpp_name_from_interfaces_info(dictionary.parent, - interfaces_info) - parent_interface_info = interfaces_info.get(dictionary.parent) - if parent_interface_info: - context['header_includes'].add( - parent_interface_info['include_path']) - else: - context['parent_cpp_class'] = 'IDLDictionaryBase' - context['header_includes'].add( - 'bindings/core/v8/idl_dictionary_base.h') - return context - - -def member_impl_context(member, interfaces_info, header_includes, - header_forward_decls): - idl_type = unwrap_nullable_if_needed(member.idl_type) - cpp_name = to_snake_case(v8_utilities.cpp_name(member)) - - # In most cases, we don't have to distinguish `null` and `not present`, - # and use null-states (e.g. nullptr, foo.IsUndefinedOrNull()) to show such - # states for some types for memory usage and performance. - # For types whose |has_explicit_presence| is True, we provide explicit - # states of presence. - has_explicit_presence = (member.idl_type.is_nullable - and member.idl_type.inner_type.is_interface_type) - - nullable_indicator_name = None - if not idl_type.cpp_type_has_null_value or has_explicit_presence: - nullable_indicator_name = 'has_' + cpp_name + '_' - - def has_method_expression(): - if nullable_indicator_name: - return nullable_indicator_name - if idl_type.is_union_type or idl_type.is_enum or idl_type.is_string_type: - return '!%s_.IsNull()' % cpp_name - if idl_type.name == 'Any': - return '!({0}_.IsEmpty() || {0}_.IsUndefined())'.format(cpp_name) - if idl_type.name == 'Object': - return '!({0}_.IsEmpty() || {0}_.IsNull() || {0}_.IsUndefined())'.format( - cpp_name) - return '!!%s_' % cpp_name - - cpp_default_value = None - if member.default_value: - if not member.default_value.is_null or has_explicit_presence: - cpp_default_value = idl_type.literal_cpp_value( - member.default_value) - - forward_decl_name = idl_type.impl_forward_declaration_name - if forward_decl_name: - includes.update(idl_type.impl_includes_for_type(interfaces_info)) - header_forward_decls.add(forward_decl_name) - else: - header_includes.update( - idl_type.impl_includes_for_type(interfaces_info)) - - setter_value = 'value' - non_null_type = idl_type.inner_type if idl_type.is_nullable else idl_type - setter_inline = 'inline ' if (non_null_type.is_basic_type - or non_null_type.is_enum - or non_null_type.is_wrapper_type) else '' - - extended_attributes = member.extended_attributes - - return { - 'cpp_default_value': - cpp_default_value, - 'cpp_name': - cpp_name, - 'has_explicit_presence': - has_explicit_presence, - 'getter_expression': - cpp_name + '_', - 'getter_name': - getter_name_for_dictionary_member(member), - 'has_method_expression': - has_method_expression(), - 'has_method_name': - has_method_name_for_dictionary_member(member), - 'is_nullable': - member.idl_type.is_nullable, - 'is_traceable': - idl_type.is_traceable, - 'member_cpp_type': - idl_type.cpp_type_args(used_in_cpp_sequence=True, - extended_attributes=extended_attributes), - 'non_null_getter_name': - non_null_getter_name_for_dictionary_member(member), - 'non_null_has_method_name': - non_null_has_method_name_for_dictionary_member(member), - 'null_setter_name': - null_setter_name_for_dictionary_member(member), - 'nullable_indicator_name': - nullable_indicator_name, - 'rvalue_cpp_type': - idl_type.cpp_type_args(used_as_rvalue_type=True, - extended_attributes=extended_attributes), - 'setter_inline': - setter_inline, - 'setter_name': - setter_name_for_dictionary_member(member), - 'setter_value': - setter_value, - } |