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LibJS: Implement While statements

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howar6hill 2020-03-09 03:22:21 +08:00 • committed by Andreas Kling
parent 4dee1ec0be
commit 1c83c5ed08
2 changed files with 41 additions and 0 deletions
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21
Libraries/LibJS/AST.h
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@ -151,6 +151,27 @@ private:
NonnullOwnPtr<ScopeNode> m_alternate;
};
class WhileStatement : public ASTNode {
public:
WhileStatement(NonnullOwnPtr<Expression> predicate, NonnullOwnPtr<ScopeNode> body)
: m_predicate(move(predicate))
, m_body(move(body))
{
}
const Expression& predicate() const { return *m_predicate; }
const ScopeNode& body() const { return *m_body; }
virtual Value execute(Interpreter&) const override;
virtual void dump(int indent) const override;
private:
virtual const char* class_name() const override { return "WhileStatement"; }
NonnullOwnPtr<Expression> m_predicate;
NonnullOwnPtr<ScopeNode> m_body;
};
enum class BinaryOp {
Plus,
Minus,