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LibJS: Implement parsing and evaluation for AssignmentPatterns

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e.g. `[...foo] = bar` can now be evaluated :^)
This commit is contained in:
Ali Mohammad Pur 2021-07-11 01:16:17 +04:30 • committed by Linus Groh
parent 7fc6cd6b20
commit 1a9518ebe3
7 changed files with 104 additions and 40 deletions
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10
Userland/Libraries/LibJS/AST.h
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@ -998,13 +998,21 @@ public:
{
}
AssignmentExpression(SourceRange source_range, AssignmentOp op, NonnullRefPtr<BindingPattern> lhs, NonnullRefPtr<Expression> rhs)
: Expression(source_range)
, m_op(op)
, m_lhs(move(lhs))
, m_rhs(move(rhs))
{
}
virtual Value execute(Interpreter&, GlobalObject&) const override;
virtual void dump(int indent) const override;
virtual void generate_bytecode(Bytecode::Generator&) const override;
private:
AssignmentOp m_op;
NonnullRefPtr<Expression> m_lhs;
Variant<NonnullRefPtr<Expression>, NonnullRefPtr<BindingPattern>> m_lhs;
NonnullRefPtr<Expression> m_rhs;
};