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LibWeb: Add a very basic and ad-hoc version of IDL overload resolution

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This initial version lays down the basic foundation of IDL overload
resolution, but much of it will have to be replaced with the actual IDL
overload resolution algorithms once we start implementing more complex
IDL overloading scenarios.
This commit is contained in:
Idan Horowitz
2022-03-05 20:51:17 +02:00
committed by Andreas Kling
parent 24cf56896b
commit 59e9e7cc61
Notes: sideshowbarker 2024-07-17 17:53:59 +09:00 
Author: https://github.com/IdanHo
Commit: https://github.com/SerenityOS/serenity/commit/59e9e7cc61
Pull-request: https://github.com/SerenityOS/serenity/pull/12891
4 changed files with 198 additions and 28 deletions
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27
Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLParser.cpp
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@@ -311,7 +311,7 @@ Function Parser::parse_function(HashMap<String, String>& extended_attributes, In
consume_whitespace();
assert_specific(';');
Function function { move(return_type), name, move(parameters), move(extended_attributes) };
Function function { move(return_type), name, move(parameters), move(extended_attributes), {}, false };
// "Defining a special operation with an identifier is equivalent to separating the special operation out into its own declaration without an identifier."
if (is_special_operation == IsSpecialOperation::No || (is_special_operation == IsSpecialOperation::Yes && !name.is_empty())) {
@@ -803,6 +803,31 @@ NonnullOwnPtr<Interface> Parser::parse()
}
}
// Create overload sets
for (auto& function : interface->functions) {
auto& overload_set = interface->overload_sets.ensure(function.name);
function.overload_index = overload_set.size();
overload_set.append(function);
}
for (auto& overload_set : interface->overload_sets) {
if (overload_set.value.size() == 1)
continue;
for (auto& overloaded_function : overload_set.value)
overloaded_function.is_overloaded = true;
}
for (auto& function : interface->static_functions) {
auto& overload_set = interface->static_overload_sets.ensure(function.name);
function.overload_index = overload_set.size();
overload_set.append(function);
}
for (auto& overload_set : interface->static_overload_sets) {
if (overload_set.value.size() == 1)
continue;
for (auto& overloaded_function : overload_set.value)
overloaded_function.is_overloaded = true;
}
// FIXME: Add support for overloading constructors
interface->imported_modules = move(imports);
return interface;