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LibJS: Parse computed MemberExpressions

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MemberExpression comes in two flavors:

    computed: a[b]
non-computed: a.b

We can now parse both of the types. :^)
This commit is contained in:
Andreas Kling 2020-03-20 20:51:03 +01:00
parent 86642add2f
commit a3d2e07446
3 changed files with 26 additions and 12 deletions
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7
Libraries/LibJS/AST.h
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@ -601,24 +601,29 @@ private:
class MemberExpression final : public Expression {
public:
MemberExpression(NonnullRefPtr<Expression> object, NonnullRefPtr<Expression> property)
MemberExpression(NonnullRefPtr<Expression> object, NonnullRefPtr<Expression> property, bool computed = false)
: m_object(move(object))
, m_property(move(property))
, m_computed(computed)
{
}
virtual Value execute(Interpreter&) const override;
virtual void dump(int indent) const override;
bool is_computed() const { return m_computed; }
const Expression& object() const { return *m_object; }
const Expression& property() const { return *m_property; }
String computed_property_name(Interpreter&) const;
private:
virtual bool is_member_expression() const override { return true; }
virtual const char* class_name() const override { return "MemberExpression"; }
NonnullRefPtr<Expression> m_object;
NonnullRefPtr<Expression> m_property;
bool m_computed { false };
};
}