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LibJS: Add ThrowableStringBuilder::to_string to create a new String

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This wraps around the base class method to throw an OOM completion.
This commit is contained in:
Timothy Flynn 2023-01-14 10:30:18 -05:00 • committed by Linus Groh
parent 3ad1f250e7
commit 79e81e8a15
2 changed files with 10 additions and 0 deletions
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9
Userland/Libraries/LibJS/Runtime/ThrowableStringBuilder.cpp
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@ -42,4 +42,13 @@ ThrowCompletionOr<void> ThrowableStringBuilder::append_code_point(u32 value)
return {};
}
ThrowCompletionOr<String> ThrowableStringBuilder::to_string() const
{
auto result = StringBuilder::to_string();
if (result.is_error())
return m_vm.throw_completion<InternalError>(ErrorType::NotEnoughMemoryToAllocate, length());
return result.release_value();
}
}

1
Userland/Libraries/LibJS/Runtime/ThrowableStringBuilder.h
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@ -23,6 +23,7 @@ public:
ThrowCompletionOr<void> append(StringView);
ThrowCompletionOr<void> append(Utf16View const&);
ThrowCompletionOr<void> append_code_point(u32 value);
ThrowCompletionOr<String> to_string() const;
private:
VM& m_vm;