mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 22:08:59 +00:00
76b9d06b19
ThrowableStringBuilder is a thin wrapper around StringBuilder to map results from the try_* methods to a throw completion. This will let us try to throw on OOM conditions rather than just blowing up.
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Utf16View.h>
|
|
#include <LibJS/Runtime/ThrowableStringBuilder.h>
|
|
|
|
namespace JS {
|
|
|
|
ThrowableStringBuilder::ThrowableStringBuilder(VM& vm)
|
|
: m_vm(vm)
|
|
{
|
|
}
|
|
|
|
ThrowCompletionOr<void> ThrowableStringBuilder::append(char ch)
|
|
{
|
|
if (try_append(ch).is_error())
|
|
return m_vm.throw_completion<InternalError>(ErrorType::NotEnoughMemoryToAllocate, length() + 1);
|
|
return {};
|
|
}
|
|
|
|
ThrowCompletionOr<void> ThrowableStringBuilder::append(StringView string)
|
|
{
|
|
if (try_append(string).is_error())
|
|
return m_vm.throw_completion<InternalError>(ErrorType::NotEnoughMemoryToAllocate, length() + string.length());
|
|
return {};
|
|
}
|
|
|
|
ThrowCompletionOr<void> ThrowableStringBuilder::append(Utf16View const& string)
|
|
{
|
|
if (try_append(string).is_error())
|
|
return m_vm.throw_completion<InternalError>(ErrorType::NotEnoughMemoryToAllocate, length() + (string.length_in_code_units() * 2));
|
|
return {};
|
|
}
|
|
|
|
ThrowCompletionOr<void> ThrowableStringBuilder::append_code_point(u32 value)
|
|
{
|
|
if (auto result = try_append_code_point(value); result.is_error())
|
|
return m_vm.throw_completion<InternalError>(ErrorType::NotEnoughMemoryToAllocate, length() + sizeof(value));
|
|
return {};
|
|
}
|
|
|
|
}
|