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LibJS: Add static initializers to classes

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This commit is contained in:
davidot 2021-10-20 21:29:47 +02:00 • committed by Linus Groh
parent 1245512c50
commit 6b2accce31
4 changed files with 134 additions and 13 deletions
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21
Userland/Libraries/LibJS/AST.h
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@ -1013,6 +1013,7 @@ public:
enum class ElementKind {
Method,
Field,
StaticInitializer,
};
virtual ElementKind class_element_kind() const = 0;
@ -1023,6 +1024,7 @@ public:
ECMAScriptFunctionObject* initializer { nullptr };
};
// We use the Completion also as a ClassStaticBlockDefinition Record.
using ClassValue = Variant<ClassFieldDefinition, Completion>;
virtual ThrowCompletionOr<ClassValue> class_element_evaluation(Interpreter&, GlobalObject&, Object& home_object) const = 0;
@ -1082,6 +1084,25 @@ private:
RefPtr<Expression> m_initializer;
};
class StaticInitializer final : public ClassElement {
public:
StaticInitializer(SourceRange source_range, NonnullRefPtr<FunctionBody> function_body, bool contains_direct_call_to_eval)
: ClassElement(source_range, true)
, m_function_body(move(function_body))
, m_contains_direct_call_to_eval(contains_direct_call_to_eval)
{
}
virtual ElementKind class_element_kind() const override { return ElementKind::StaticInitializer; }
virtual ThrowCompletionOr<ClassValue> class_element_evaluation(Interpreter&, GlobalObject&, Object& home_object) const override;
virtual void dump(int indent) const override;
private:
NonnullRefPtr<FunctionBody> m_function_body;
bool m_contains_direct_call_to_eval { false };
};
class SuperExpression final : public Expression {
public:
explicit SuperExpression(SourceRange source_range)