mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-28 13:18:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb/Bindings: Generate undefined in a union as 'Empty'

Browse source 
This can only ever be undefined, and no other JS value, so it makes
sense to use undefined to represent this case.
This commit is contained in:
Shannon Booth 2025-01-12 22:50:03 +13:00 • committed by Tim Ledbetter
commit dfdcfc8e88
Notes: github-actions[bot] 2025-01-12 18:40:27 +00:00
5 changed files with 13 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Meta/Lagom/Tools/CodeGenerators/LibWeb/BindingsGenerator/IDLGenerators.cpp
View file

@ -231,9 +231,15 @@ CppType idl_type_name_to_cpp_type(Type const& type, Interface const& interface)
if (type.name() == "long" && !type.is_nullable())
return { .name = "WebIDL::Long", .sequence_storage_type = SequenceStorageType::Vector };
if (type.name() == "any" || type.name() == "undefined")
if (type.name() == "any")
return { .name = "JS::Value", .sequence_storage_type = SequenceStorageType::RootVector };
// NOTE: undefined is a somewhat special case that may be used in a union to represent the javascript 'undefined' (and
// only ever js_undefined). Therefore, we say that the type is Empty here, so that a union of (T, undefined) is
// generated as Variant<T, Empty>, which is then returned in the Variant's visit as undefined if it is Empty.
if (type.name() == "undefined")
return { .name = "Empty", .sequence_storage_type = SequenceStorageType::RootVector };
if (type.name() == "object")
return { .name = "GC::Root<JS::Object>", .sequence_storage_type = SequenceStorageType::Vector };