mojo/public/tools/bindings/generators/cpp_templates/interface_macros.tmpl

{% import "struct_macros.tmpl" as struct_macros %}

{%- macro declare_params_as_args(prefix, parameters) %}
{%-   for param in parameters -%}
{{param.kind|cpp_const_wrapper_type}} {{prefix}}{{param.name}}
{%- if not loop.last %}, {% endif %}
{%-   endfor %}
{%- endmacro %}

{# This declares mojo structs for the request and response parameters for each
   interface method, along with forward declarations of any dependencies. #}
{%- macro declare_param_structs_for_interface(interface) %}
{%-    for method in interface.methods %}
{# Request params #}
{%-      if method.parameters != None %}
{%-        set struct = method.param_struct %}
{{ struct_macros.structptr_forward_decl(struct) }}
{%        include "struct_serialization_declaration.tmpl" %}
{%        include "wrapper_class_declaration.tmpl" %}
{%-      endif %}
{# Response params #}
{%-      if method.response_parameters != None %}
{%-        set struct = method.response_param_struct %}
{{ struct_macros.structptr_forward_decl(struct) }}
{%        include "struct_serialization_declaration.tmpl" %}
{%        include "wrapper_class_declaration.tmpl" %}
{%-      endif %}
{%-    endfor %}
{%- endmacro %}

{%- macro declare_callback(method) -%}
mojo::Callback<void(
{%-   for param in method.response_parameters -%}
{{param.kind|cpp_result_type}}
{%- if not loop.last %}, {% endif %}
{%-   endfor -%}
)>
{%- endmacro -%}

{%- macro declare_request_params(prefix, method) -%}
{{declare_params_as_args(prefix, method.parameters)}}
{%-   if method.response_parameters != None -%}
{%- if method.parameters %}, {% endif -%}
const {{method.name}}Callback& callback
{%-   endif -%}
{%- endmacro -%}