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LibJS: Remove the now unused custom VM unwind mechanism

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Goodbye VM::m_unwind_until, you served us well :^)
This commit is contained in:
Linus Groh 2022-01-05 19:12:46 +01:00
parent 9d0d3affd4
commit 81492b3cee
1 changed files with 0 additions and 34 deletions
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34
Userland/Libraries/LibJS/Runtime/VM.h
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@ -30,15 +30,6 @@ namespace JS {
class Identifier; class Identifier;
struct BindingPattern; struct BindingPattern;
enum class ScopeType {
None,
Function,
Block,
Try,
Breakable,
Continuable,
};
class VM : public RefCounted<VM> { class VM : public RefCounted<VM> {
public: public:
struct CustomData { struct CustomData {
@ -169,29 +160,6 @@ public:
u32 execution_generation() const { return m_execution_generation; } u32 execution_generation() const { return m_execution_generation; }
void finish_execution_generation() { ++m_execution_generation; } void finish_execution_generation() { ++m_execution_generation; }
void unwind(ScopeType type, FlyString label = {})
{
m_unwind_until = type;
m_unwind_until_label = move(label);
}
void stop_unwind()
{
m_unwind_until = ScopeType::None;
m_unwind_until_label = {};
}
bool should_unwind_until(ScopeType type, Vector<FlyString> const& labels) const
{
if (m_unwind_until_label.is_null())
return m_unwind_until == type;
return m_unwind_until == type && any_of(labels.begin(), labels.end(), [&](FlyString const& label) {
return m_unwind_until_label == label;
});
}
bool should_unwind() const { return m_unwind_until != ScopeType::None; }
ScopeType unwind_until() const { return m_unwind_until; }
FlyString unwind_until_label() const { return m_unwind_until_label; }
ThrowCompletionOr<Reference> resolve_binding(FlyString const&, Environment* = nullptr); ThrowCompletionOr<Reference> resolve_binding(FlyString const&, Environment* = nullptr);
ThrowCompletionOr<Reference> get_identifier_reference(Environment*, FlyString, bool strict, size_t hops = 0); ThrowCompletionOr<Reference> get_identifier_reference(Environment*, FlyString, bool strict, size_t hops = 0);
@ -294,8 +262,6 @@ private:
Vector<Vector<ExecutionContext*>> m_saved_execution_context_stacks; Vector<Vector<ExecutionContext*>> m_saved_execution_context_stacks;
Value m_last_value; Value m_last_value;
ScopeType m_unwind_until { ScopeType::None };
FlyString m_unwind_until_label;
StackInfo m_stack_info; StackInfo m_stack_info;