LibWeb: Add a 'FIXME' extended attribute for stubbed IDL attrs and fn's

This allows readonly attributes and functions to have a 'FIXME' extended
attribute added to the IDL definition to stub out the function. This
makes debugging web compatibility issues on live sites much easier as a
FIXME message is logged whenever one of these functions or attributes
are called.

Support still needs to be extended to non-readonly attributes (and some
other special cases), but this should allow us to set a big percentage
of the commented out attributes/functions in IDL files to instead use
this extended attribute.
This commit is contained in:
Shannon Booth 2024-05-19 22:05:12 +12:00 committed by Andreas Kling
parent a8e3400a2a
commit 7c69b4737b
Notes: sideshowbarker 2024-07-17 00:53:02 +09:00

View file

@ -1903,6 +1903,7 @@ static void generate_function(SourceGenerator& generator, IDL::Function const& f
auto function_generator = generator.fork();
function_generator.set("class_name", class_name);
function_generator.set("interface_fully_qualified_name", interface_fully_qualified_name);
function_generator.set("function.name", function.name);
function_generator.set("function.name:snakecase", make_input_acceptable_cpp(function.name.to_snakecase()));
function_generator.set("overload_suffix", function.is_overloaded ? ByteString::number(function.overload_index) : ByteString::empty());
@ -1920,6 +1921,15 @@ JS_DEFINE_NATIVE_FUNCTION(@class_name@::@function.name:snakecase@@overload_suffi
[[maybe_unused]] auto& realm = *vm.current_realm();
)~~~");
if (function.extended_attributes.contains("FIXME")) {
function_generator.append(R"~~~(
dbgln("FIXME: Unimplemented IDL interface '@namespaced_name@.@function.name@'");
return JS::js_undefined();
}
)~~~");
return;
}
if (is_static_function == StaticFunction::No) {
function_generator.append(R"~~~(
auto* impl = TRY(impl_from(vm));
@ -3244,8 +3254,16 @@ JS_DEFINE_NATIVE_FUNCTION(@class_name@::@attribute.getter_callback@)
{
WebIDL::log_trace(vm, "@class_name@::@attribute.getter_callback@");
[[maybe_unused]] auto& realm = *vm.current_realm();
auto* impl = TRY(impl_from(vm));
[[maybe_unused]] auto* impl = TRY(impl_from(vm));
)~~~");
if (attribute.extended_attributes.contains("FIXME")) {
attribute_generator.append(R"~~~(
dbgln("FIXME: Unimplemented IDL interface '@namespaced_name@.@attribute.name@'");
return JS::js_undefined();
}
)~~~");
continue;
}
if (attribute.extended_attributes.contains("CEReactions")) {
// 1. Push a new element queue onto this object's relevant agent's custom element reactions stack.
@ -4557,5 +4575,4 @@ namespace Web::Bindings {
} // namespace Web::Bindings
)~~~");
}
}