src/cobalt/bindings/mozjs/templates/macros.cc.template

{#
 # Copyright 2016 Google Inc. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #}

{% macro call_nonvoid_function(return_type, function_name, arguments) %}
  TypeTraits<{{return_type}} >::ReturnType value =
      impl->{{function_name}}({{arguments|join(", ")}});
  if (!exception_state.IsExceptionSet()) {
    ToJSValue(context, value, &exception_state, &result_value);
  }
{%- endmacro %}

{% macro call_void_function(function_name, arguments) %}
  impl->{{function_name}}({{arguments|join(", ")}});
  result_value.set(JS::UndefinedHandleValue);
{%- endmacro %}

{% macro call_cobalt_function(impl_class, cobalt_type, function_name, arguments, raises_exception, call_with) %}
{% if call_with %}
  MozjsGlobalObjectProxy* global_object_proxy =
      static_cast<MozjsGlobalObjectProxy*>(JS_GetContextPrivate(context));
{% endif %}
  {{impl_class}}* impl =
      WrapperPrivate::GetWrappable<{{impl_class}}>(object);
{% do arguments.append("&exception_state") if raises_exception %}
{% do arguments.append("global_object_proxy->Get%s()"|format(call_with)) if call_with %}
{% if cobalt_type == "void" %}
{{ call_void_function(function_name, arguments) }}
{% else %}
{{ call_nonvoid_function(cobalt_type, function_name, arguments) }}
{% endif %}
{% endmacro %}