mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-07-19 15:32:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

LibJS: Allocate ExecutionContext memory using alloca() when possible

Browse source 
This should be faster than heap allocation. However, heap allocation is
still necessary in some cases, such as with generators and async
functions.
This commit is contained in:
Aliaksandr Kalenik 2025-04-23 23:44:24 +02:00 • committed by Andreas Kling
parent 5a92929282
commit a329868c1b
Notes: github-actions[bot] 2025-04-24 08:32:11 +00:00
10 changed files with 42 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Libraries/LibJS/Runtime/WrappedFunction.cpp
View file

@ -62,7 +62,9 @@ ThrowCompletionOr<Value> WrappedFunction::internal_call(Value this_argument, Rea
// NOTE: No-op, kept by the VM in its execution context stack.
// 2. Let calleeContext be PrepareForWrappedFunctionCall(F).
auto callee_context = ExecutionContext::create(0, 0);
ExecutionContext* callee_context = nullptr;
ALLOCATE_EXECUTION_CONTEXT_ON_NATIVE_STACK(callee_context, 0, 0);
prepare_for_wrapped_function_call(*this, *callee_context);
// 3. Assert: calleeContext is now the running execution context.