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LibJS: Handle Proxy with Array target in IsArray() abstract operation
This was missing from Value::is_array(), which is equivalent to the spec's IsArray() abstract operation - it treats a Proxy value with an Array target object as being an Array. It can throw, so needs both the global object and an exception check now.
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11 changed files with 52 additions and 24 deletions
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@ -59,10 +59,10 @@ public:
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bool is_native_property() const { return m_type == Type::NativeProperty; }
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bool is_nullish() const { return is_null() || is_undefined(); }
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bool is_cell() const { return is_string() || is_accessor() || is_object() || is_bigint() || is_symbol() || is_native_property(); }
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bool is_array() const;
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bool is_array(GlobalObject&) const;
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bool is_function() const;
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bool is_constructor() const;
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bool is_regexp(GlobalObject& global_object) const;
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bool is_regexp(GlobalObject&) const;
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bool is_nan() const { return is_number() && __builtin_isnan(as_double()); }
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bool is_infinity() const { return is_number() && __builtin_isinf(as_double()); }
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