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9a120d7243
These are formatters that can only be used with debug print
functions, such as dbgln(). Currently this is limited to
Formatter<ErrorOr<T>>. With this you can still debug log ErrorOr
values (good for debugging), but trying to use them in any
String::formatted() call will fail (which prevents .to_string()
errors with the new failable strings being ignored).
You make a formatter debug only by adding a constexpr method like:
static constexpr bool is_debug_only() { return true; }
29 lines
735 B
C++
29 lines
735 B
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/CheckedFormatString.h>
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#include <AK/DeprecatedString.h>
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#include <AK/Format.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/ErrorTypes.h>
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#include <LibJS/Runtime/VM.h>
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namespace JS {
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template<typename... Args>
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ThrowCompletionOr<DeprecatedString> deprecated_format(VM& vm, CheckedFormatString<Args...>&& fmtstr, Args const&... args)
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{
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StringBuilder builder;
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AK::VariadicFormatParams<AK::AllowDebugOnlyFormatters::No, Args...> parameters { args... };
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TRY_OR_THROW_OOM(vm, vformat(builder, fmtstr.view(), parameters));
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return builder.to_deprecated_string();
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}
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}
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