fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2025-12-30 13:19:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

LibWeb: Avoid resolving the wasm call address type on every invocation

Browse Source 
This is a waste of time, and it's not a cheap operation.
This commit is contained in:
Ali Mohammad Pur
2021-06-13 21:33:10 +04:30
committed by Ali Mohammad Pur
parent 0d2aba07aa
commit baa4195daa
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
Userland/Libraries/LibWeb/WebAssembly/WebAssemblyObject.cpp
View File

@@ -317,18 +317,19 @@ Optional<Wasm::Value> to_webassembly_value(JS::Value value, const Wasm::ValueTyp
JS::NativeFunction* create_native_function(Wasm::FunctionAddress address, String name, JS::GlobalObject& global_object)
{
Optional<Wasm::FunctionType> type;
WebAssemblyObject::s_abstract_machine.store().get(address)->visit([&](const auto& value) { type = value.type(); });
// FIXME: Cache these.
return JS::NativeFunction::create(
global_object,
name,
[address](JS::VM& vm, JS::GlobalObject& global_object) -> JS::Value {
[address, type = type.release_value()](JS::VM& vm, JS::GlobalObject& global_object) -> JS::Value {
Vector<Wasm::Value> values;
Optional<Wasm::FunctionType> type;
WebAssemblyObject::s_abstract_machine.store().get(address)->visit([&](const auto& value) { type = value.type(); });
values.ensure_capacity(type.parameters().size());
// Grab as many values as needed and convert them.
size_t index = 0;
for (auto& type : type.value().parameters()) {
for (auto& type : type.parameters()) {
auto result = to_webassembly_value(vm.argument(index++), type, global_object);
if (result.has_value())
values.append(result.release_value());