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LibJS+LibWeb+WebContent: Port JS::PropertyKey to UTF-16

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This has quite a lot of fall out. But the majority of it is just type or
UDL substitution, where the changes just fall through to other function
calls.

By changing property key storage to UTF-16, the main affected areas are:
* NativeFunction names must now be UTF-16
* Bytecode identifiers must now be UTF-16
* Module/binding names must now be UTF-16
This commit is contained in:
Timothy Flynn 2025-08-02 19:27:29 -04:00 • committed by Tim Flynn
commit 0efa98a57a
Notes: github-actions[bot] 2025-08-05 11:08:30 +00:00
131 changed files with 766 additions and 726 deletions
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41
Utilities/js.cpp
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@ -266,9 +266,9 @@ static JS::ThrowCompletionOr<JS::Value> load_ini_impl(JS::VM& vm)
auto group_object = JS::Object::create(realm, realm.intrinsics().object_prototype());
for (auto const& key : config_file->keys(group)) {
auto entry = config_file->read_entry(group, key);
group_object->define_direct_property(MUST(String::from_byte_string(key)), JS::PrimitiveString::create(vm, move(entry)), JS::Attribute::Enumerable | JS::Attribute::Configurable | JS::Attribute::Writable);
group_object->define_direct_property(Utf16String::from_utf8(key), JS::PrimitiveString::create(vm, move(entry)), JS::Attribute::Enumerable | JS::Attribute::Configurable | JS::Attribute::Writable);
}
object->define_direct_property(MUST(String::from_byte_string(group)), group_object, JS::Attribute::Enumerable | JS::Attribute::Configurable | JS::Attribute::Writable);
object->define_direct_property(Utf16String::from_utf8(group), group_object, JS::Attribute::Enumerable | JS::Attribute::Configurable | JS::Attribute::Writable);
}
return object;
}
@ -295,18 +295,18 @@ void ReplObject::initialize(JS::Realm& realm)
{
Base::initialize(realm);
define_direct_property("global"_fly_string, this, JS::Attribute::Enumerable);
define_direct_property("global"_utf16_fly_string, this, JS::Attribute::Enumerable);
u8 attr = JS::Attribute::Configurable | JS::Attribute::Writable | JS::Attribute::Enumerable;
define_native_function(realm, "exit"_fly_string, exit_interpreter, 0, attr);
define_native_function(realm, "help"_fly_string, repl_help, 0, attr);
define_native_function(realm, "save"_fly_string, save_to_file, 1, attr);
define_native_function(realm, "loadINI"_fly_string, load_ini, 1, attr);
define_native_function(realm, "loadJSON"_fly_string, load_json, 1, attr);
define_native_function(realm, "print"_fly_string, print, 1, attr);
define_native_function(realm, "exit"_utf16_fly_string, exit_interpreter, 0, attr);
define_native_function(realm, "help"_utf16_fly_string, repl_help, 0, attr);
define_native_function(realm, "save"_utf16_fly_string, save_to_file, 1, attr);
define_native_function(realm, "loadINI"_utf16_fly_string, load_ini, 1, attr);
define_native_function(realm, "loadJSON"_utf16_fly_string, load_json, 1, attr);
define_native_function(realm, "print"_utf16_fly_string, print, 1, attr);
define_native_accessor(
realm,
"_"_fly_string,
"_"_utf16_fly_string,
[](JS::VM&) {
return g_last_value.value();
},
@ -380,11 +380,11 @@ void ScriptObject::initialize(JS::Realm& realm)
{
Base::initialize(realm);
define_direct_property("global"_fly_string, this, JS::Attribute::Enumerable);
define_direct_property("global"_utf16_fly_string, this, JS::Attribute::Enumerable);
u8 attr = JS::Attribute::Configurable | JS::Attribute::Writable | JS::Attribute::Enumerable;
define_native_function(realm, "loadINI"_fly_string, load_ini, 1, attr);
define_native_function(realm, "loadJSON"_fly_string, load_json, 1, attr);
define_native_function(realm, "print"_fly_string, print, 1, attr);
define_native_function(realm, "loadINI"_utf16_fly_string, load_ini, 1, attr);
define_native_function(realm, "loadJSON"_utf16_fly_string, load_json, 1, attr);
define_native_function(realm, "print"_utf16_fly_string, print, 1, attr);
}
JS_DEFINE_NATIVE_FUNCTION(ScriptObject::load_ini)
@ -744,11 +744,12 @@ static ErrorOr<int> run_repl(bool gc_on_every_allocation, bool syntax_highlight)
for (auto const& descriptor : shape.property_table()) {
if (!descriptor.key.is_string())
continue;
auto key = descriptor.key.as_string();
auto key = descriptor.key.as_string().to_utf16_string().to_utf8_but_should_be_ported_to_utf16();
if (key.bytes_as_string_view().starts_with(property_pattern)) {
Line::CompletionSuggestion completion { key, Line::CompletionSuggestion::ForSearch };
if (!results.contains_slow(completion)) { // hide duplicates
results.append(key.to_string().to_byte_string());
results.append(key.to_byte_string());
results.last().invariant_offset = property_pattern.length();
}
}
@ -758,9 +759,11 @@ static ErrorOr<int> run_repl(bool gc_on_every_allocation, bool syntax_highlight)
}
};
auto variable_name_utf16 = Utf16FlyString::from_utf8(variable_name);
switch (mode) {
case CompleteProperty: {
auto reference_or_error = g_vm->resolve_binding(variable_name, &global_environment);
auto reference_or_error = g_vm->resolve_binding(variable_name_utf16, &global_environment);
if (reference_or_error.is_error())
return {};
auto value_or_error = reference_or_error.value().get_value(*g_vm);
@ -782,8 +785,8 @@ static ErrorOr<int> run_repl(bool gc_on_every_allocation, bool syntax_highlight)
list_all_properties(variable.shape(), variable_name);
for (auto const& name : global_environment.declarative_record().bindings()) {
if (name.bytes_as_string_view().starts_with(variable_name)) {
results.empend(name);
if (name.view().starts_with(variable_name_utf16.view())) {
results.empend(name.view().to_utf8_but_should_be_ported_to_utf16().to_byte_string());
results.last().invariant_offset = variable_name.bytes().size();
}
}