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Unified Diff: sky/engine/bindings/templates/attributes.cpp

Issue 922053002: Remove unused V8 integration code in Sky (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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Index: sky/engine/bindings/templates/attributes.cpp
diff --git a/sky/engine/bindings/templates/attributes.cpp b/sky/engine/bindings/templates/attributes.cpp
deleted file mode 100644
index 80e31b88f48cf1cdb5c888d5984a20c54a7bc580..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/templates/attributes.cpp
+++ /dev/null
@@ -1,409 +0,0 @@
-{##############################################################################}
-{% macro attribute_getter(attribute, world_suffix) %}
-{% filter conditional(attribute.conditional_string) %}
-static void {{attribute.name}}AttributeGetter{{world_suffix}}(
-{%- if attribute.is_expose_js_accessors %}
-const v8::FunctionCallbackInfo<v8::Value>& info
-{%- else %}
-const v8::PropertyCallbackInfo<v8::Value>& info
-{%- endif %})
-{
- {% if attribute.is_reflect and not attribute.is_url
- and attribute.idl_type == 'DOMString' and is_node
- and not attribute.is_implemented_in_private_script %}
- {% set cpp_class, v8_class = 'Element', 'V8Element' %}
- {% endif %}
- {# holder #}
- {% if not attribute.is_static %}
- v8::Handle<v8::Object> holder = info.Holder();
- {% endif %}
- {# impl #}
- {% if attribute.cached_attribute_validation_method %}
- v8::Handle<v8::String> propertyName = v8AtomicString(info.GetIsolate(), "{{attribute.name}}");
- {{cpp_class}}* impl = {{v8_class}}::toNative(holder);
- if (!impl->{{attribute.cached_attribute_validation_method}}()) {
- v8::Handle<v8::Value> v8Value = V8HiddenValue::getHiddenValue(info.GetIsolate(), holder, propertyName);
- if (!v8Value.IsEmpty()) {
- v8SetReturnValue(info, v8Value);
- return;
- }
- }
- {% elif not attribute.is_static %}
- {{cpp_class}}* impl = {{v8_class}}::toNative(holder);
- {% endif %}
- {% if interface_name == 'Window' and attribute.idl_type == 'EventHandler' %}
- if (!impl->document())
- return;
- {% endif %}
- {# Local variables #}
- {% if attribute.is_call_with_execution_context %}
- ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
- {% endif %}
- {% if attribute.is_call_with_script_state %}
- ScriptState* scriptState = ScriptState::current(info.GetIsolate());
- {% endif %}
- {% if attribute.is_check_security_for_node or
- attribute.is_getter_raises_exception %}
- ExceptionState exceptionState(ExceptionState::GetterContext, "{{attribute.name}}", "{{interface_name}}", holder, info.GetIsolate());
- {% endif %}
- {% if attribute.is_explicit_nullable %}
- bool isNull = false;
- {% endif %}
- {% if attribute.is_implemented_in_private_script %}
- {{attribute.cpp_type}} result{{attribute.cpp_type_initializer}};
- if (!{{attribute.cpp_value_original}})
- return;
- {% elif attribute.cpp_value_original %}
- {{attribute.cpp_type}} {{attribute.cpp_value}}({{attribute.cpp_value_original}});
- {% endif %}
- {# Checks #}
- {% if attribute.is_getter_raises_exception %}
- if (UNLIKELY(exceptionState.throwIfNeeded()))
- return;
- {% endif %}
- {% if attribute.is_check_security_for_node %}
- if (!BindingSecurity::shouldAllowAccessToNode(info.GetIsolate(), {{attribute.cpp_value}}, exceptionState)) {
- v8SetReturnValueNull(info);
- exceptionState.throwIfNeeded();
- return;
- }
- {% endif %}
- {% if attribute.reflect_only %}
- {{release_only_check(attribute.reflect_only, attribute.reflect_missing,
- attribute.reflect_invalid, attribute.reflect_empty,
- attribute.cpp_value)
- | indent}}
- {% endif %}
- {% if attribute.is_explicit_nullable %}
- if (isNull) {
- v8SetReturnValueNull(info);
- return;
- }
- {% endif %}
- {% if attribute.cached_attribute_validation_method %}
- V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, propertyName, {{attribute.cpp_value_to_v8_value}});
- {% endif %}
- {# v8SetReturnValue #}
- {% if attribute.is_keep_alive_for_gc %}
- if ({{attribute.cpp_value}} && DOMDataStore::setReturnValueFromWrapper{{world_suffix}}<V8{{attribute.idl_type}}>(info.GetReturnValue(), {{attribute.cpp_value}}.get()))
- return;
- v8::Handle<v8::Value> wrapper = toV8({{attribute.cpp_value}}.get(), holder, info.GetIsolate());
- if (!wrapper.IsEmpty()) {
- V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "{{attribute.name}}"), wrapper);
- {{attribute.v8_set_return_value}};
- }
- {% elif world_suffix %}
- {{attribute.v8_set_return_value_for_main_world}};
- {% else %}
- {{attribute.v8_set_return_value}};
- {% endif %}
-}
-{% endfilter %}
-{% endmacro %}
-
-{######################################}
-{% macro release_only_check(reflect_only_values, reflect_missing,
- reflect_invalid, reflect_empty, cpp_value) %}
-{# Attribute is limited to only known values: check that the attribute value is
- one of those. If not, set it to the empty string.
- http://www.whatwg.org/specs/web-apps/current-work/#limited-to-only-known-values #}
-{% if reflect_empty %}
-if ({{cpp_value}}.isNull()) {
-{% if reflect_missing %}
- {{cpp_value}} = "{{reflect_missing}}";
-{% else %}
- ;
-{% endif %}
-} else if ({{cpp_value}}.isEmpty()) {
- {{cpp_value}} = "{{reflect_empty}}";
-{% else %}
-if ({{cpp_value}}.isEmpty()) {
-{# FIXME: should use [ReflectEmpty] instead; need to change IDL files #}
-{% if reflect_missing %}
- {{cpp_value}} = "{{reflect_missing}}";
-{% else %}
- ;
-{% endif %}
-{% endif %}
-{% for value in reflect_only_values %}
-} else if (equalIgnoringCase({{cpp_value}}, "{{value}}")) {
- {{cpp_value}} = "{{value}}";
-{% endfor %}
-} else {
- {{cpp_value}} = "{{reflect_invalid}}";
-}
-{% endmacro %}
-
-
-{##############################################################################}
-{% macro attribute_getter_callback(attribute, world_suffix) %}
-{% filter conditional(attribute.conditional_string) %}
-static void {{attribute.name}}AttributeGetterCallback{{world_suffix}}(
-{%- if attribute.is_expose_js_accessors %}
-const v8::FunctionCallbackInfo<v8::Value>& info
-{%- else %}
-v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info
-{%- endif %})
-{
- TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
- {% if attribute.has_custom_getter %}
- {{v8_class}}::{{attribute.name}}AttributeGetterCustom(info);
- {% else %}
- {{cpp_class}}V8Internal::{{attribute.name}}AttributeGetter{{world_suffix}}(info);
- {% endif %}
- TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
-}
-{% endfilter %}
-{% endmacro %}
-
-
-{##############################################################################}
-{% macro constructor_getter_callback(attribute, world_suffix) %}
-{% filter conditional(attribute.conditional_string) %}
-static void {{attribute.name}}ConstructorGetterCallback{{world_suffix}}(v8::Local<v8::String> property, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
- TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
- {{cpp_class}}V8Internal::{{cpp_class}}ConstructorGetter{{world_suffix}}(property, info);
- TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
-}
-{% endfilter %}
-{% endmacro %}
-
-
-{##############################################################################}
-{% macro attribute_setter(attribute, world_suffix) %}
-{% filter conditional(attribute.conditional_string) %}
-static void {{attribute.name}}AttributeSetter{{world_suffix}}(
-{%- if attribute.is_expose_js_accessors %}
-v8::Local<v8::Value> v8Value, const v8::FunctionCallbackInfo<v8::Value>& info
-{%- else %}
-v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info
-{%- endif %})
-{
- {% if attribute.is_reflect and attribute.idl_type == 'DOMString'
- and is_node and not attribute.is_implemented_in_private_script %}
- {% set cpp_class, v8_class = 'Element', 'V8Element' %}
- {% endif %}
- {# Local variables #}
- {% if not attribute.is_static %}
- v8::Handle<v8::Object> holder = info.Holder();
- {% endif %}
- {% if attribute.has_setter_exception_state %}
- ExceptionState exceptionState(ExceptionState::SetterContext, "{{attribute.name}}", "{{interface_name}}", holder, info.GetIsolate());
- {% endif %}
- {# Type checking #}
- {% if attribute.has_type_checking_interface %}
- {# Type checking for interface types (if interface not implemented, throw
- TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
- if ({% if attribute.is_nullable %}!isUndefinedOrNull(v8Value) && {% endif %}!V8{{attribute.idl_type}}::hasInstance(v8Value, info.GetIsolate())) {
- exceptionState.throwTypeError("The provided value is not of type '{{attribute.idl_type}}'.");
- exceptionState.throwIfNeeded();
- return;
- }
- {% endif %}
- {# impl #}
- {% if attribute.put_forwards %}
- {{cpp_class}}* proxyImpl = {{v8_class}}::toNative(holder);
- {{attribute.cpp_type}} impl = WTF::getPtr(proxyImpl->{{attribute.name}}());
- if (!impl)
- return;
- {% elif not attribute.is_static %}
- {{cpp_class}}* impl = {{v8_class}}::toNative(holder);
- {% endif %}
- {% if attribute.idl_type == 'EventHandler' and interface_name == 'Window' %}
- if (!impl->document())
- return;
- {% endif %}
- {# Convert JS value to C++ value #}
- {% if attribute.idl_type != 'EventHandler' %}
- {{attribute.v8_value_to_local_cpp_value}};
- {% elif not is_node %}{# EventHandler hack #}
- moveEventListenerToNewWrapper(holder, {{attribute.event_handler_getter_expression}}, v8Value, {{v8_class}}::eventListenerCacheIndex, info.GetIsolate());
- {% endif %}
- {# Type checking, possibly throw a TypeError, per:
- http://www.w3.org/TR/WebIDL/#es-type-mapping #}
- {% if attribute.has_type_checking_unrestricted %}
- {# Non-finite floating point values (NaN, +Infinity or −Infinity), per:
- http://heycam.github.io/webidl/#es-float
- http://heycam.github.io/webidl/#es-double #}
- if (!std::isfinite(cppValue)) {
- exceptionState.throwTypeError("The provided {{attribute.idl_type}} value is non-finite.");
- exceptionState.throwIfNeeded();
- return;
- }
- {% elif attribute.enum_validation_expression %}
- {# Setter ignores invalid enum values:
- http://www.w3.org/TR/WebIDL/#idl-enums #}
- String string = cppValue;
- if (!({{attribute.enum_validation_expression}}))
- return;
- {% endif %}
- {# Pre-set context #}
- {% if attribute.is_custom_element_callbacks or
- (attribute.is_reflect and
- not(attribute.idl_type == 'DOMString' and is_node)) %}
- {# Skip on compact node DOMString getters #}
- CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
- {% endif %}
- {% if attribute.is_call_with_execution_context or
- attribute.is_setter_call_with_execution_context %}
- ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
- {% endif %}
- {% if attribute.is_call_with_script_state %}
- ScriptState* scriptState = ScriptState::current(info.GetIsolate());
- {% endif %}
- {# Set #}
- {{attribute.cpp_setter}};
- {# Post-set #}
- {% if attribute.is_setter_raises_exception %}
- exceptionState.throwIfNeeded();
- {% endif %}
- {% if attribute.cached_attribute_validation_method %}
- V8HiddenValue::deleteHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "{{attribute.name}}")); // Invalidate the cached value.
- {% endif %}
-}
-{% endfilter %}
-{% endmacro %}
-
-
-{##############################################################################}
-{% macro attribute_setter_callback(attribute, world_suffix) %}
-{% filter conditional(attribute.conditional_string) %}
-static void {{attribute.name}}AttributeSetterCallback{{world_suffix}}(
-{%- if attribute.is_expose_js_accessors %}
-const v8::FunctionCallbackInfo<v8::Value>& info
-{%- else %}
-v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info
-{%- endif %})
-{
- {% if attribute.is_expose_js_accessors %}
- v8::Local<v8::Value> v8Value = info[0];
- {% endif %}
- TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
- {% if attribute.is_custom_element_callbacks or attribute.is_reflect %}
- CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
- {% endif %}
- {% if attribute.has_custom_setter %}
- {{v8_class}}::{{attribute.name}}AttributeSetterCustom(v8Value, info);
- {% else %}
- {{cpp_class}}V8Internal::{{attribute.name}}AttributeSetter{{world_suffix}}(v8Value, info);
- {% endif %}
- TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
-}
-{% endfilter %}
-{% endmacro %}
-
-
-{##############################################################################}
-{% macro attribute_getter_implemented_in_private_script(attribute) %}
-bool {{v8_class}}::PrivateScript::{{attribute.name}}AttributeGetter(LocalFrame* frame, {{cpp_class}}* holderImpl, {{attribute.cpp_type}}* result)
-{
- if (!frame)
- return false;
- v8::HandleScope handleScope(toIsolate(frame));
- ScriptForbiddenScope::AllowUserAgentScript script;
- v8::Handle<v8::Context> context = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
- if (context.IsEmpty())
- return false;
- ScriptState* scriptState = ScriptState::from(context);
- if (!scriptState->executionContext())
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
-
- ExceptionState exceptionState(ExceptionState::GetterContext, "{{attribute.name}}", "{{cpp_class}}", scriptState->context()->Global(), scriptState->isolate());
- v8::TryCatch block;
- v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMAttributeGetter(scriptState, "{{cpp_class}}", "{{attribute.name}}", holder);
- if (block.HasCaught()) {
- PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), exceptionState, block);
- block.ReThrow();
- return false;
- }
- {{attribute.private_script_v8_value_to_local_cpp_value}};
- RELEASE_ASSERT(!exceptionState.hadException());
- *result = cppValue;
- return true;
-}
-{% endmacro %}
-
-
-{% macro attribute_setter_implemented_in_private_script(attribute) %}
-bool {{v8_class}}::PrivateScript::{{attribute.name}}AttributeSetter(LocalFrame* frame, {{cpp_class}}* holderImpl, {{attribute.argument_cpp_type}} cppValue)
-{
- if (!frame)
- return false;
- v8::HandleScope handleScope(toIsolate(frame));
- ScriptForbiddenScope::AllowUserAgentScript script;
- v8::Handle<v8::Context> context = toV8Context(frame, DOMWrapperWorld::privateScriptIsolatedWorld());
- if (context.IsEmpty())
- return false;
- ScriptState* scriptState = ScriptState::from(context);
- if (!scriptState->executionContext())
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::Handle<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
-
- ExceptionState exceptionState(ExceptionState::SetterContext, "{{attribute.name}}", "{{cpp_class}}", scriptState->context()->Global(), scriptState->isolate());
- v8::TryCatch block;
- PrivateScriptRunner::runDOMAttributeSetter(scriptState, "{{cpp_class}}", "{{attribute.name}}", holder, {{attribute.private_script_cpp_value_to_v8_value}});
- if (block.HasCaught()) {
- PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), exceptionState, block);
- block.ReThrow();
- return false;
- }
- return true;
-}
-{% endmacro %}
-
-
-{##############################################################################}
-{% macro attribute_configuration(attribute) %}
-{% set getter_callback =
- '%sV8Internal::%sAttributeGetterCallback' %
- (cpp_class, attribute.name)
- if not attribute.constructor_type else
- ('%sV8Internal::%sConstructorGetterCallback' %
- (cpp_class, attribute.name)
- if attribute.needs_constructor_getter_callback else
- '{0}V8Internal::{0}ConstructorGetter'.format(cpp_class)) %}
-{% set getter_callback_for_main_world =
- '%sV8Internal::%sAttributeGetterCallbackForMainWorld' %
- (cpp_class, attribute.name)
- if attribute.is_per_world_bindings else '0' %}
-{% set setter_callback = attribute.setter_callback %}
-{% set setter_callback_for_main_world =
- '%sV8Internal::%sAttributeSetterCallbackForMainWorld' %
- (cpp_class, attribute.name)
- if attribute.is_per_world_bindings and
- (not attribute.is_read_only or attribute.put_forwards) else '0' %}
-{% set wrapper_type_info =
- 'const_cast<WrapperTypeInfo*>(&V8%s::wrapperTypeInfo)' %
- attribute.constructor_type
- if attribute.constructor_type else '0' %}
-{% set access_control = 'static_cast<v8::AccessControl>(%s)' %
- ' | '.join(attribute.access_control_list) %}
-{% set property_attribute = 'static_cast<v8::PropertyAttribute>(%s)' %
- ' | '.join(attribute.property_attributes) %}
-{% set only_exposed_to_private_script = 'V8DOMConfiguration::OnlyExposedToPrivateScript' if attribute.only_exposed_to_private_script else 'V8DOMConfiguration::ExposedToAllScripts' %}
-{% set on_prototype = 'V8DOMConfiguration::OnPrototype'
- if interface_name == 'Window' and attribute.idl_type == 'EventHandler'
- else 'V8DOMConfiguration::OnInstance' %}
-{% set attribute_configuration_list = [
- '"%s"' % attribute.name,
- getter_callback,
- setter_callback,
- getter_callback_for_main_world,
- setter_callback_for_main_world,
- wrapper_type_info,
- access_control,
- property_attribute,
- only_exposed_to_private_script,
- ] %}
-{% if not attribute.is_expose_js_accessors %}
-{% set attribute_configuration_list = attribute_configuration_list
- + [on_prototype] %}
-{% endif %}
-{{'{'}}{{attribute_configuration_list | join(', ')}}{{'}'}}
-{%- endmacro %}
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