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LibJS: Add method to VM to clear the execution context stack

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This is needed for the spin the event loop AO in LibWeb
This commit is contained in:
Andrew Kaster 2024-01-18 12:49:35 -07:00 • committed by Alexander Kalenik
parent 682a6d5882
commit aef5932235
2 changed files with 6 additions and 0 deletions
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5
Userland/Libraries/LibJS/Runtime/VM.cpp
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@ -742,6 +742,11 @@ void VM::save_execution_context_stack()
m_saved_execution_context_stacks.append(move(m_execution_context_stack)); m_saved_execution_context_stacks.append(move(m_execution_context_stack));
} }
void VM::clear_execution_context_stack()
{
m_execution_context_stack.clear_with_capacity();
}
void VM::restore_execution_context_stack() void VM::restore_execution_context_stack()
{ {
m_execution_context_stack = m_saved_execution_context_stacks.take_last(); m_execution_context_stack = m_saved_execution_context_stacks.take_last();

1
Userland/Libraries/LibJS/Runtime/VM.h
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@ -229,6 +229,7 @@ public:
ThrowCompletionOr<Value> named_evaluation_if_anonymous_function(ASTNode const& expression, DeprecatedFlyString const& name); ThrowCompletionOr<Value> named_evaluation_if_anonymous_function(ASTNode const& expression, DeprecatedFlyString const& name);
void save_execution_context_stack(); void save_execution_context_stack();
void clear_execution_context_stack();
void restore_execution_context_stack(); void restore_execution_context_stack();
// Do not call this method unless you are sure this is the only and first module to be loaded in this vm. // Do not call this method unless you are sure this is the only and first module to be loaded in this vm.