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LibJS: Define Value::to_string_without_side_effects for String

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Timothy Flynn 2023-02-12 21:08:32 -05:00 • committed by Linus Groh
parent dc4207323b
commit 3ffb6d9b5a
2 changed files with 28 additions and 11 deletions
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38
Userland/Libraries/LibJS/Runtime/Value.cpp
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@ -355,35 +355,51 @@ StringView Value::typeof() const
}
}
DeprecatedString Value::to_deprecated_string_without_side_effects() const
ErrorOr<String> Value::to_string_without_side_effects() const
{
if (is_double())
return number_to_deprecated_string(m_value.as_double);
return number_to_string(m_value.as_double);
switch (m_value.tag) {
case UNDEFINED_TAG:
return "undefined";
return String::from_utf8("undefined"sv);
case NULL_TAG:
return "null";
return String::from_utf8("null"sv);
case BOOLEAN_TAG:
return as_bool() ? "true" : "false";
return String::from_utf8(as_bool() ? "true"sv : "false"sv);
case INT32_TAG:
return DeprecatedString::number(as_i32());
return String::number(as_i32());
case STRING_TAG:
return MUST(as_string().deprecated_string());
if (auto string = as_string().utf8_string(); string.is_throw_completion()) {
auto completion = string.release_error();
// We can't explicitly check for OOM because InternalError does not store the ErrorType
VERIFY(completion.value().has_value());
VERIFY(completion.value()->is_object());
VERIFY(is<InternalError>(completion.value()->as_object()));
return AK::Error::from_errno(ENOMEM);
} else {
return string.release_value();
}
case SYMBOL_TAG:
return as_symbol().descriptive_string().release_value_but_fixme_should_propagate_errors().to_deprecated_string();
return as_symbol().descriptive_string();
case BIGINT_TAG:
return as_bigint().to_deprecated_string();
return as_bigint().to_string();
case OBJECT_TAG:
return DeprecatedString::formatted("[object {}]", as_object().class_name());
return String::formatted("[object {}]", as_object().class_name());
case ACCESSOR_TAG:
return "<accessor>";
return String::from_utf8("<accessor>"sv);
default:
VERIFY_NOT_REACHED();
}
}
DeprecatedString Value::to_deprecated_string_without_side_effects() const
{
return MUST(to_string_without_side_effects()).to_deprecated_string();
}
ThrowCompletionOr<PrimitiveString*> Value::to_primitive_string(VM& vm)
{
if (is_string())