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LibJS: Implement basic object property assignment

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This is pretty naive, we just walk up the prototype chain and call any
NativeProperty setter that we find. If we don't find one, we put/set
the value as an own property of the object itself.
This commit is contained in:
Andreas Kling 2020-03-19 17:39:13 +01:00
parent 7268499c76
commit 1a10470c1d
3 changed files with 32 additions and 9 deletions
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4
Libraries/LibJS/AST.h
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@ -49,6 +49,7 @@ public:
virtual Value execute(Interpreter&) const = 0;
virtual void dump(int indent) const;
virtual bool is_identifier() const { return false; }
virtual bool is_member_expression() const { return false; }
protected:
ASTNode() {}
@ -124,8 +125,6 @@ private:
};
class Expression : public ASTNode {
public:
virtual bool is_member_expression() const { return false; }
};
class FunctionNode {
@ -594,6 +593,7 @@ public:
virtual void dump(int indent) const override;
const Expression& object() const { return *m_object; }
const Expression& property() const { return *m_property; }
private:
virtual bool is_member_expression() const override { return true; }