| {##############################################################################} |
| {% macro generate_method(method, world_suffix) %} |
| {% filter conditional(method.conditional_string) %} |
| static void {{method.name}}{{method.overload_index}}Method{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| {# Local variables #} |
| {% if method.has_exception_state %} |
| ExceptionState exceptionState(ExceptionState::ExecutionContext, "{{method.name}}", "{{interface_name}}", info.Holder(), info.GetIsolate()); |
| {% endif %} |
| {# Overloaded methods have length checked during overload resolution #} |
| {% if method.number_of_required_arguments and not method.overload_index %} |
| if (UNLIKELY(info.Length() < {{method.number_of_required_arguments}})) { |
| {{throw_minimum_arity_type_error(method, method.number_of_required_arguments) | indent(8)}} |
| return; |
| } |
| {% endif %} |
| {% if not method.is_static %} |
| {{cpp_class}}* impl = {{v8_class}}::toNative(info.Holder()); |
| {% endif %} |
| {% if method.is_custom_element_callbacks %} |
| CustomElementProcessingStack::CallbackDeliveryScope deliveryScope; |
| {% endif %} |
| {# Security checks #} |
| {% if method.is_check_security_for_window %} |
| if (LocalDOMWindow* window = impl->toDOMWindow()) { |
| if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), window->frame(), exceptionState)) { |
| {{throw_from_exception_state(method)}}; |
| return; |
| } |
| if (!window->document()) |
| return; |
| } |
| {% elif method.is_check_security_for_frame %} |
| if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) { |
| {{throw_from_exception_state(method)}}; |
| return; |
| } |
| {% endif %} |
| {% if method.is_check_security_for_node %} |
| if (!BindingSecurity::shouldAllowAccessToNode(info.GetIsolate(), impl->{{method.name}}(exceptionState), exceptionState)) { |
| v8SetReturnValueNull(info); |
| {{throw_from_exception_state(method)}}; |
| return; |
| } |
| {% endif %} |
| {# Call method #} |
| {% if method.arguments %} |
| {{generate_arguments(method, world_suffix) | indent}} |
| {% endif %} |
| {% if world_suffix %} |
| {{cpp_method_call(method, method.v8_set_return_value_for_main_world, method.cpp_value) | indent}} |
| {% else %} |
| {{cpp_method_call(method, method.v8_set_return_value, method.cpp_value) | indent}} |
| {% endif %} |
| } |
| {% endfilter %} |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro generate_arguments(method, world_suffix) %} |
| {% for argument in method.arguments %} |
| {{generate_argument_var_declaration(argument)}}; |
| {% endfor %} |
| { |
| {% if method.arguments_need_try_catch %} |
| v8::TryCatch block; |
| V8RethrowTryCatchScope rethrow(block); |
| {% endif %} |
| {% for argument in method.arguments %} |
| {% if argument.default_value %} |
| if (!info[{{argument.index}}]->IsUndefined()) { |
| {{generate_argument(method, argument, world_suffix) | indent(8)}} |
| } else { |
| {{argument.name}} = {{argument.default_value}}; |
| } |
| {% else %} |
| {{generate_argument(method, argument, world_suffix) | indent}} |
| {% endif %} |
| {% endfor %} |
| } |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro generate_argument_var_declaration(argument) %} |
| {% if argument.is_callback_interface %} |
| {# FIXME: remove EventListener special case #} |
| {% if argument.idl_type == 'EventListener' %} |
| RefPtr<{{argument.idl_type}}> {{argument.name}} |
| {%- else %} |
| OwnPtr<{{argument.idl_type}}> {{argument.name}} = nullptr; |
| {%- endif %}{# argument.idl_type == 'EventListener' #} |
| {%- elif argument.is_clamp %}{# argument.is_callback_interface #} |
| {# NaN is treated as 0: http://www.w3.org/TR/WebIDL/#es-type-mapping #} |
| {{argument.cpp_type}} {{argument.name}} = 0 |
| {%- else %} |
| {{argument.cpp_type}} {{argument.name}} |
| {%- endif %} |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro generate_argument(method, argument, world_suffix) %} |
| {% if argument.is_optional and not argument.has_default and |
| argument.idl_type != 'Dictionary' and |
| not argument.is_callback_interface %} |
| {# Optional arguments without a default value generate an early call with |
| fewer arguments if they are omitted. |
| Optional Dictionary arguments default to empty dictionary. #} |
| if (UNLIKELY(info.Length() <= {{argument.index}})) { |
| {% if world_suffix %} |
| {{cpp_method_call(method, argument.v8_set_return_value_for_main_world, argument.cpp_value) | indent}} |
| {% else %} |
| {{cpp_method_call(method, argument.v8_set_return_value, argument.cpp_value) | indent}} |
| {% endif %} |
| {% if argument.has_event_listener_argument %} |
| {{hidden_dependency_action(method.name) | indent}} |
| {% endif %} |
| return; |
| } |
| {% endif %} |
| {% if argument.has_type_checking_interface and not argument.is_variadic_wrapper_type %} |
| {# Type checking for wrapper interface types (if interface not implemented, |
| throw a TypeError), per http://www.w3.org/TR/WebIDL/#es-interface |
| Note: for variadic arguments, the type checking is done for each matched |
| argument instead; see argument.is_variadic_wrapper_type code-path below. #} |
| if (info.Length() > {{argument.index}} && {% if argument.is_nullable %}!isUndefinedOrNull(info[{{argument.index}}]) && {% endif %}!V8{{argument.idl_type}}::hasInstance(info[{{argument.index}}], info.GetIsolate())) { |
| {{throw_type_error(method, '"parameter %s is not of type \'%s\'."' % |
| (argument.index + 1, argument.idl_type)) | indent}} |
| return; |
| } |
| {% endif %}{# argument.has_type_checking_interface #} |
| {% if argument.is_callback_interface %} |
| {# FIXME: remove EventListener special case #} |
| {% if argument.idl_type == 'EventListener' %} |
| {% if method.name == 'removeEventListener' or method.name == 'removeListener' %} |
| {{argument.name}} = V8EventListenerList::getEventListener(ScriptState::current(info.GetIsolate()), info[{{argument.index}}], ListenerFindOnly); |
| {% else %}{# method.name == 'addEventListener' #} |
| {{argument.name}} = V8EventListenerList::getEventListener(ScriptState::current(info.GetIsolate()), info[{{argument.index}}], ListenerFindOrCreate); |
| {% endif %}{# method.name #} |
| {% else %}{# argument.idl_type == 'EventListener' #} |
| {# Callback functions must be functions: |
| http://www.w3.org/TR/WebIDL/#es-callback-function #} |
| {% if argument.is_optional %} |
| if (info.Length() > {{argument.index}} && !isUndefinedOrNull(info[{{argument.index}}])) { |
| if (!info[{{argument.index}}]->IsFunction()) { |
| {{throw_type_error(method, |
| '"The callback provided as parameter %s is not a function."' % |
| (argument.index + 1)) | indent(8)}} |
| return; |
| } |
| {{argument.name}} = V8{{argument.idl_type}}::create(v8::Handle<v8::Function>::Cast(info[{{argument.index}}]), ScriptState::current(info.GetIsolate())); |
| } |
| {% else %}{# argument.is_optional #} |
| if (info.Length() <= {{argument.index}} || !{% if argument.is_nullable %}(info[{{argument.index}}]->IsFunction() || info[{{argument.index}}]->IsNull()){% else %}info[{{argument.index}}]->IsFunction(){% endif %}) { |
| {{throw_type_error(method, |
| '"The callback provided as parameter %s is not a function."' % |
| (argument.index + 1)) | indent }} |
| return; |
| } |
| {{argument.name}} = {% if argument.is_nullable %}info[{{argument.index}}]->IsNull() ? nullptr : {% endif %}V8{{argument.idl_type}}::create(v8::Handle<v8::Function>::Cast(info[{{argument.index}}]), ScriptState::current(info.GetIsolate())); |
| {% endif %}{# argument.is_optional #} |
| {% endif %}{# argument.idl_type == 'EventListener' #} |
| {% elif argument.is_clamp %}{# argument.is_callback_interface #} |
| {# NaN is treated as 0: http://www.w3.org/TR/WebIDL/#es-type-mapping #} |
| double {{argument.name}}NativeValue; |
| {% if method.idl_type == 'Promise' %} |
| TONATIVE_VOID_PROMISE_INTERNAL({{argument.name}}NativeValue, info[{{argument.index}}]->NumberValue(), info); |
| {% else %} |
| TONATIVE_VOID_INTERNAL({{argument.name}}NativeValue, info[{{argument.index}}]->NumberValue()); |
| {% endif %} |
| if (!std::isnan({{argument.name}}NativeValue)) |
| {# IDL type is used for clamping, for the right bounds, since different |
| IDL integer types have same internal C++ type (int or unsigned) #} |
| {{argument.name}} = clampTo<{{argument.idl_type}}>({{argument.name}}NativeValue); |
| {% elif argument.idl_type == 'SerializedScriptValue' %} |
| {{argument.name}} = SerializedScriptValue::create(info[{{argument.index}}], 0, exceptionState, info.GetIsolate()); |
| if (exceptionState.hadException()) { |
| {{throw_from_exception_state(method)}}; |
| return; |
| } |
| {% elif argument.is_variadic_wrapper_type %} |
| for (int i = {{argument.index}}; i < info.Length(); ++i) { |
| if (!V8{{argument.idl_type}}::hasInstance(info[i], info.GetIsolate())) { |
| {{throw_type_error(method, '"parameter %s is not of type \'%s\'."' % |
| (argument.index + 1, argument.idl_type)) | indent(8)}} |
| return; |
| } |
| {{argument.name}}.append(V8{{argument.idl_type}}::toNative(v8::Handle<v8::Object>::Cast(info[i]))); |
| } |
| {% else %}{# argument.is_nullable #} |
| {{argument.v8_value_to_local_cpp_value}}; |
| {% endif %}{# argument.is_nullable #} |
| {# Type checking, possibly throw a TypeError, per: |
| http://www.w3.org/TR/WebIDL/#es-type-mapping #} |
| {% if argument.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({{argument.name}})) { |
| {{throw_type_error(method, '"%s parameter %s is non-finite."' % |
| (argument.idl_type, argument.index + 1)) | indent}} |
| return; |
| } |
| {% elif argument.enum_validation_expression %} |
| {# Invalid enum values: http://www.w3.org/TR/WebIDL/#idl-enums #} |
| String string = {{argument.name}}; |
| if (!({{argument.enum_validation_expression}})) { |
| {{throw_type_error(method, |
| '"parameter %s (\'" + string + "\') is not a valid enum value."' % |
| (argument.index + 1)) | indent}} |
| return; |
| } |
| {% elif argument.idl_type in ['Dictionary', 'Promise'] %} |
| {# Dictionaries must have type Undefined, Null or Object: |
| http://heycam.github.io/webidl/#es-dictionary |
| We also require this for our implementation of promises, though not in spec: |
| http://heycam.github.io/webidl/#es-promise #} |
| if (!{{argument.name}}.isUndefinedOrNull() && !{{argument.name}}.isObject()) { |
| {{throw_type_error(method, '"parameter %s (\'%s\') is not an object."' % |
| (argument.index + 1, argument.name)) | indent}} |
| return; |
| } |
| {% endif %} |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro cpp_method_call(method, v8_set_return_value, cpp_value) %} |
| {# Local variables #} |
| {% if method.is_call_with_script_state %} |
| {# [CallWith=ScriptState] #} |
| ScriptState* scriptState = ScriptState::current(info.GetIsolate()); |
| {% endif %} |
| {% if method.is_call_with_execution_context %} |
| {# [ConstructorCallWith=ExecutionContext] #} |
| {# [CallWith=ExecutionContext] #} |
| ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate()); |
| {% endif %} |
| {% if method.is_call_with_script_arguments %} |
| {# [CallWith=ScriptArguments] #} |
| RefPtr<ScriptArguments> scriptArguments(createScriptArguments(scriptState, info, {{method.number_of_arguments}})); |
| {% endif %} |
| {% if method.is_call_with_document %} |
| {# [ConstructorCallWith=Document] #} |
| Document& document = *toDocument(currentExecutionContext(info.GetIsolate())); |
| {% endif %} |
| {# Call #} |
| {% if method.idl_type == 'void' %} |
| {{cpp_value}}; |
| {% elif method.is_implemented_in_private_script %} |
| {{method.cpp_type}} result{{method.cpp_type_initializer}}; |
| if (!{{method.cpp_value}}) |
| return; |
| {% elif method.is_constructor %} |
| {{method.cpp_type}} impl = {{cpp_value}}; |
| {% elif method.use_local_result and not method.union_arguments %} |
| {{method.cpp_type}} result = {{cpp_value}}; |
| {% endif %} |
| {# Post-call #} |
| {% if method.is_raises_exception %} |
| if (exceptionState.hadException()) { |
| {{throw_from_exception_state(method)}}; |
| return; |
| } |
| {% endif %} |
| {# Set return value #} |
| {% if method.is_constructor %} |
| {{generate_constructor_wrapper(method)}} |
| {%- elif method.union_arguments %} |
| {{union_type_method_call_and_set_return_value(method)}} |
| {%- elif v8_set_return_value %} |
| {% if method.is_explicit_nullable %} |
| if (result.isNull()) |
| v8SetReturnValueNull(info); |
| else |
| {{v8_set_return_value}}; |
| {% else %} |
| {{v8_set_return_value}}; |
| {% endif %} |
| {%- endif %}{# None for void #} |
| {# Post-set #} |
| {% if interface_name in ('EventTarget', 'MediaQueryList') |
| and method.name in ('addEventListener', 'removeEventListener', 'addListener', 'removeListener') %} |
| {% set hidden_dependency_action = 'addHiddenValueToArray' |
| if method.name in ('addEventListener', 'addListener') else 'removeHiddenValueFromArray' %} |
| {% set argument_index = '1' if interface_name == 'EventTarget' else '0' %} |
| {# Length check needed to skip action on legacy calls without enough arguments. |
| http://crbug.com/353484 #} |
| if (info.Length() >= {{argument_index}} + 1 && listener && !impl->toNode()) |
| {{hidden_dependency_action}}(info.Holder(), info[{{argument_index}}], {{v8_class}}::eventListenerCacheIndex, info.GetIsolate()); |
| {% endif %} |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro union_type_method_call_and_set_return_value(method) %} |
| {% for argument in method.union_arguments %} |
| {{argument.cpp_type}} {{argument.cpp_value}}{{argument.cpp_type_initializer}}; |
| {% endfor %} |
| {{method.cpp_value}}; |
| {% if method.is_null_expression %}{# used by getters #} |
| if ({{method.is_null_expression}}) |
| return; |
| {% endif %} |
| {% for argument in method.union_arguments %} |
| if ({{argument.null_check_value}}) { |
| {{argument.v8_set_return_value}}; |
| return; |
| } |
| {% endfor %} |
| {# Fall back to null if none of the union members results are returned #} |
| {% if method.is_null_expression %} |
| ASSERT_NOT_REACHED(); |
| {% else %} |
| v8SetReturnValueNull(info); |
| {% endif %} |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro throw_type_error(method, error_message) %} |
| {% if method.has_exception_state %} |
| exceptionState.throwTypeError({{error_message}}); |
| {{throw_from_exception_state(method)}}; |
| {% elif method.idl_type == 'Promise' %} |
| v8SetReturnValue(info, ScriptPromise::rejectRaw(info.GetIsolate(), V8ThrowException::createTypeError({{type_error_message(method, error_message)}}, info.GetIsolate()))); |
| {% else %} |
| V8ThrowException::throwTypeError({{type_error_message(method, error_message)}}, info.GetIsolate()); |
| {% endif %}{# method.has_exception_state #} |
| {% endmacro %} |
| |
| |
| {######################################} |
| {% macro type_error_message(method, error_message) %} |
| {% if method.is_constructor %} |
| ExceptionMessages::failedToConstruct("{{interface_name}}", {{error_message}}) |
| {%- else %} |
| ExceptionMessages::failedToExecute("{{method.name}}", "{{interface_name}}", {{error_message}}) |
| {%- endif %} |
| {%- endmacro %} |
| |
| |
| {######################################} |
| {% macro throw_from_exception_state(method) %} |
| {% if method.idl_type == 'Promise' %} |
| v8SetReturnValue(info, exceptionState.reject(ScriptState::current(info.GetIsolate())).v8Value()) |
| {%- else %} |
| exceptionState.throwIfNeeded() |
| {%- endif %} |
| {%- endmacro %} |
| |
| |
| {######################################} |
| {% macro throw_minimum_arity_type_error(method, number_of_required_arguments) %} |
| {% if method.has_exception_state %} |
| setMinimumArityTypeError(exceptionState, {{number_of_required_arguments}}, info.Length()); |
| {{throw_from_exception_state(method)}}; |
| {%- elif method.idl_type == 'Promise' %} |
| v8SetReturnValue(info, ScriptPromise::rejectRaw(info.GetIsolate(), {{create_minimum_arity_type_error_without_exception_state(method, number_of_required_arguments)}})); |
| {%- else %} |
| V8ThrowException::throwException({{create_minimum_arity_type_error_without_exception_state(method, number_of_required_arguments)}}, info.GetIsolate()); |
| {%- endif %} |
| {%- endmacro %} |
| |
| |
| {######################################} |
| {% macro create_minimum_arity_type_error_without_exception_state(method, number_of_required_arguments) %} |
| {% if method.is_constructor %} |
| createMinimumArityTypeErrorForConstructor("{{interface_name}}", {{number_of_required_arguments}}, info.Length(), info.GetIsolate()) |
| {%- else %} |
| createMinimumArityTypeErrorForMethod("{{method.name}}", "{{interface_name}}", {{number_of_required_arguments}}, info.Length(), info.GetIsolate()) |
| {%- endif %} |
| {%- endmacro %} |
| |
| |
| {##############################################################################} |
| {# FIXME: We should return a rejected Promise if an error occurs in this |
| function when ALL methods in this overload return Promise. In order to do so, |
| we must ensure either ALL or NO methods in this overload return Promise #} |
| {% macro overload_resolution_method(overloads, world_suffix) %} |
| static void {{overloads.name}}Method{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| ExceptionState exceptionState(ExceptionState::ExecutionContext, "{{overloads.name}}", "{{interface_name}}", info.Holder(), info.GetIsolate()); |
| {% if overloads.measure_all_as %} |
| UseCounter::count(callingExecutionContext(info.GetIsolate()), UseCounter::{{overloads.measure_all_as}}); |
| {% endif %} |
| {% if overloads.deprecate_all_as %} |
| UseCounter::countDeprecation(callingExecutionContext(info.GetIsolate()), UseCounter::{{overloads.deprecate_all_as}}); |
| {% endif %} |
| {# First resolve by length #} |
| {# 2. Initialize argcount to be min(maxarg, n). #} |
| switch (std::min({{overloads.maxarg}}, info.Length())) { |
| {# 3. Remove from S all entries whose type list is not of length argcount. #} |
| {% for length, tests_methods in overloads.length_tests_methods %} |
| {# 10. If i = d, then: #} |
| case {{length}}: |
| {# Then resolve by testing argument #} |
| {% for test, method in tests_methods %} |
| {% filter runtime_enabled(not overloads.runtime_enabled_function_all and |
| method.runtime_enabled_function) %} |
| if ({{test}}) { |
| {% if method.measure_as and not overloads.measure_all_as %} |
| UseCounter::count(callingExecutionContext(info.GetIsolate()), UseCounter::{{method.measure_as}}); |
| {% endif %} |
| {% if method.deprecate_as and not overloads.deprecate_all_as %} |
| UseCounter::countDeprecation(callingExecutionContext(info.GetIsolate()), UseCounter::{{method.deprecate_as}}); |
| {% endif %} |
| {{method.name}}{{method.overload_index}}Method{{world_suffix}}(info); |
| return; |
| } |
| {% endfilter %} |
| {% endfor %} |
| break; |
| {% endfor %} |
| default: |
| {# Invalid arity, throw error #} |
| {# Report full list of valid arities if gaps and above minimum #} |
| {% if overloads.valid_arities %} |
| if (info.Length() >= {{overloads.minarg}}) { |
| setArityTypeError(exceptionState, "{{overloads.valid_arities}}", info.Length()); |
| exceptionState.throwIfNeeded(); |
| return; |
| } |
| {% endif %} |
| {# Otherwise just report "not enough arguments" #} |
| exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments({{overloads.minarg}}, info.Length())); |
| exceptionState.throwIfNeeded(); |
| return; |
| } |
| {# No match, throw error #} |
| exceptionState.throwTypeError("No function was found that matched the signature provided."); |
| exceptionState.throwIfNeeded(); |
| } |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro method_callback(method, world_suffix) %} |
| {% filter conditional(method.conditional_string) %} |
| static void {{method.name}}MethodCallback{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod"); |
| {% if not method.overloads %}{# Overloaded methods are measured in overload_resolution_method() #} |
| {% if method.measure_as %} |
| UseCounter::count(callingExecutionContext(info.GetIsolate()), UseCounter::{{method.measure_as}}); |
| {% endif %} |
| {% if method.deprecate_as %} |
| UseCounter::countDeprecation(callingExecutionContext(info.GetIsolate()), UseCounter::{{method.deprecate_as}}); |
| {% endif %} |
| {% endif %}{# not method.overloads #} |
| {% if method.is_custom %} |
| {{v8_class}}::{{method.name}}MethodCustom(info); |
| {% else %} |
| {{cpp_class}}V8Internal::{{method.name}}Method{{world_suffix}}(info); |
| {% endif %} |
| TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution"); |
| } |
| {% endfilter %} |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro origin_safe_method_getter(method, world_suffix) %} |
| static void {{method.name}}OriginSafeMethodGetter{{world_suffix}}(const v8::PropertyCallbackInfo<v8::Value>& info) |
| { |
| {% set signature = 'v8::Local<v8::Signature>()' |
| if method.is_do_not_check_signature else |
| 'v8::Signature::New(info.GetIsolate(), %s::domTemplate(info.GetIsolate()))' % v8_class %} |
| static int domTemplateKey; // This address is used for a key to look up the dom template. |
| V8PerIsolateData* data = V8PerIsolateData::from(info.GetIsolate()); |
| {# FIXME: 1 case of [DoNotCheckSignature] in Window.idl may differ #} |
| v8::Handle<v8::FunctionTemplate> privateTemplate = data->domTemplate(&domTemplateKey, {{cpp_class}}V8Internal::{{method.name}}MethodCallback{{world_suffix}}, v8Undefined(), {{signature}}, {{method.length}}); |
| |
| v8::Handle<v8::Object> holder = {{v8_class}}::findInstanceInPrototypeChain(info.This(), info.GetIsolate()); |
| if (holder.IsEmpty()) { |
| // This is only reachable via |object.__proto__.func|, in which case it |
| // has already passed the same origin security check |
| v8SetReturnValue(info, privateTemplate->GetFunction()); |
| return; |
| } |
| {{cpp_class}}* impl = {{v8_class}}::toNative(holder); |
| if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), DoNotReportSecurityError)) { |
| static int sharedTemplateKey; // This address is used for a key to look up the dom template. |
| v8::Handle<v8::FunctionTemplate> sharedTemplate = data->domTemplate(&sharedTemplateKey, {{cpp_class}}V8Internal::{{method.name}}MethodCallback{{world_suffix}}, v8Undefined(), {{signature}}, {{method.length}}); |
| v8SetReturnValue(info, sharedTemplate->GetFunction()); |
| return; |
| } |
| |
| {# The findInstanceInPrototypeChain() call above only returns a non-empty handle if info.This() is an Object. #} |
| v8::Local<v8::Value> hiddenValue = v8::Handle<v8::Object>::Cast(info.This())->GetHiddenValue(v8AtomicString(info.GetIsolate(), "{{method.name}}")); |
| if (!hiddenValue.IsEmpty()) { |
| v8SetReturnValue(info, hiddenValue); |
| return; |
| } |
| |
| v8SetReturnValue(info, privateTemplate->GetFunction()); |
| } |
| |
| static void {{method.name}}OriginSafeMethodGetterCallback{{world_suffix}}(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info) |
| { |
| TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter"); |
| {{cpp_class}}V8Internal::{{method.name}}OriginSafeMethodGetter{{world_suffix}}(info); |
| TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution"); |
| } |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro method_implemented_in_private_script(method) %} |
| bool {{v8_class}}::PrivateScript::{{method.name}}Method({{method.argument_declarations_for_private_script | join(', ')}}) |
| { |
| 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()); |
| |
| {% for argument in method.arguments %} |
| v8::Handle<v8::Value> {{argument.handle}} = {{argument.private_script_cpp_value_to_v8_value}}; |
| {% endfor %} |
| {% if method.arguments %} |
| v8::Handle<v8::Value> argv[] = { {{method.arguments | join(', ', 'handle')}} }; |
| {% else %} |
| {# Empty array initializers are illegal, and don\'t compile in MSVC. #} |
| v8::Handle<v8::Value> *argv = 0; |
| {% endif %} |
| ExceptionState exceptionState(ExceptionState::ExecutionContext, "{{method.name}}", "{{cpp_class}}", scriptState->context()->Global(), scriptState->isolate()); |
| v8::TryCatch block; |
| {% if method.idl_type == 'void' %} |
| PrivateScriptRunner::runDOMMethod(scriptState, "{{cpp_class}}", "{{method.name}}", holder, {{method.arguments | length}}, argv); |
| if (block.HasCaught()) { |
| PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), exceptionState, block); |
| block.ReThrow(); |
| return false; |
| } |
| {% else %} |
| v8::Handle<v8::Value> v8Value = PrivateScriptRunner::runDOMMethod(scriptState, "{{cpp_class}}", "{{method.name}}", holder, {{method.arguments | length}}, argv); |
| if (block.HasCaught()) { |
| PrivateScriptRunner::rethrowExceptionInPrivateScript(scriptState->isolate(), exceptionState, block); |
| block.ReThrow(); |
| return false; |
| } |
| {{method.private_script_v8_value_to_local_cpp_value}}; |
| RELEASE_ASSERT(!exceptionState.hadException()); |
| *result = cppValue; |
| {% endif %} |
| return true; |
| } |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro generate_constructor(constructor) %} |
| {% set name = '%sConstructorCallback' % v8_class |
| if constructor.is_named_constructor else |
| 'constructor%s' % (constructor.overload_index or '') %} |
| static void {{name}}(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| {% if constructor.is_named_constructor %} |
| if (!info.IsConstructCall()) { |
| V8ThrowException::throwTypeError(ExceptionMessages::constructorNotCallableAsFunction("{{constructor.name}}"), info.GetIsolate()); |
| return; |
| } |
| |
| if (ConstructorMode::current(info.GetIsolate()) == ConstructorMode::WrapExistingObject) { |
| v8SetReturnValue(info, info.Holder()); |
| return; |
| } |
| {% endif %} |
| {% if constructor.has_exception_state %} |
| ExceptionState exceptionState(ExceptionState::ConstructionContext, "{{interface_name}}", info.Holder(), info.GetIsolate()); |
| {% endif %} |
| {# Overloaded constructors have length checked during overload resolution #} |
| {% if constructor.number_of_required_arguments and not constructor.overload_index %} |
| if (UNLIKELY(info.Length() < {{constructor.number_of_required_arguments}})) { |
| {{throw_minimum_arity_type_error(constructor, constructor.number_of_required_arguments) | indent(8)}} |
| return; |
| } |
| {% endif %} |
| {% if constructor.arguments %} |
| {{generate_arguments(constructor) | indent}} |
| {% endif %} |
| {{cpp_method_call(constructor, constructor.v8_set_return_value, constructor.cpp_value) | indent}} |
| } |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro generate_constructor_wrapper(constructor) %} |
| {% if has_custom_wrap %} |
| v8::Handle<v8::Object> wrapper = wrap(impl.get(), info.Holder(), info.GetIsolate()); |
| {% else %} |
| {% set constructor_class = v8_class + ('Constructor' |
| if constructor.is_named_constructor else |
| '') %} |
| v8::Handle<v8::Object> wrapper = info.Holder(); |
| V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl.release(), &{{constructor_class}}::wrapperTypeInfo, wrapper, info.GetIsolate()); |
| {% endif %} |
| v8SetReturnValue(info, wrapper); |
| {% endmacro %} |
| |
| |
| {##############################################################################} |
| {% macro method_configuration(method) %} |
| {% set method_callback = |
| '%sV8Internal::%sMethodCallback' % (cpp_class, method.name) %} |
| {% set method_callback_for_main_world = |
| '%sV8Internal::%sMethodCallbackForMainWorld' % (cpp_class, method.name) |
| if method.is_per_world_bindings else '0' %} |
| {% set only_exposed_to_private_script = 'V8DOMConfiguration::OnlyExposedToPrivateScript' if method.only_exposed_to_private_script else 'V8DOMConfiguration::ExposedToAllScripts' %} |
| {"{{method.name}}", {{method_callback}}, {{method_callback_for_main_world}}, {{method.length}}, {{only_exposed_to_private_script}}} |
| {%- endmacro %} |
| |
| |
| {######################################} |
| {% macro install_custom_signature(method) %} |
| {% set method_callback = '%sV8Internal::%sMethodCallback' % (cpp_class, method.name) %} |
| {% set method_callback_for_main_world = '%sForMainWorld' % method_callback |
| if method.is_per_world_bindings else '0' %} |
| {% set property_attribute = |
| 'static_cast<v8::PropertyAttribute>(%s)' % ' | '.join(method.property_attributes) |
| if method.property_attributes else 'v8::None' %} |
| {% set only_exposed_to_private_script = 'V8DOMConfiguration::OnlyExposedToPrivateScript' if method.only_exposed_to_private_script else 'V8DOMConfiguration::ExposedToAllScripts' %} |
| static const V8DOMConfiguration::MethodConfiguration {{method.name}}MethodConfiguration = { |
| "{{method.name}}", {{method_callback}}, {{method_callback_for_main_world}}, {{method.length}}, {{only_exposed_to_private_script}}, |
| }; |
| V8DOMConfiguration::installMethod({{method.function_template}}, {{method.signature}}, {{property_attribute}}, {{method.name}}MethodConfiguration, isolate); |
| {%- endmacro %} |
