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3bbf4610d2
You can now #include <AK/Forward.h> to get most of the AK types as forward declarations. Header dependency explosion is one of the main contributors to compile times at the moment, so this is a step towards smaller include graphs.
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Types.h>
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#include <AK/kstdio.h>
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#if !defined(KERNEL) && !defined(BOOTSTRAPPER)
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# include <AK/ScopedValueRollback.h>
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# include <AK/StringView.h>
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# include <errno.h>
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# include <unistd.h>
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#endif
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namespace AK {
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class String;
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class StringView;
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class LogStream {
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public:
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LogStream()
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#if !defined(KERNEL) && !defined(BOOTSTRAPPER)
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: m_errno_restorer(errno)
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#endif
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{
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}
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virtual ~LogStream() {}
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virtual void write(const char*, int) const = 0;
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private:
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#if !defined(KERNEL) && !defined(BOOTSTRAPPER)
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ScopedValueRollback<int> m_errno_restorer;
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#endif
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};
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class DebugLogStream final : public LogStream {
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public:
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DebugLogStream() {}
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virtual ~DebugLogStream() override;
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virtual void write(const char* characters, int length) const override
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{
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dbgputstr(characters, length);
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}
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};
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inline const LogStream& operator<<(const LogStream& stream, const char* value)
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{
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int length = 0;
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const char* p = value;
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while (*(p++))
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++length;
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stream.write(value, length);
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return stream;
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}
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const LogStream& operator<<(const LogStream&, const String&);
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const LogStream& operator<<(const LogStream&, const StringView&);
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const LogStream& operator<<(const LogStream&, int);
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const LogStream& operator<<(const LogStream&, unsigned);
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const LogStream& operator<<(const LogStream&, long long);
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const LogStream& operator<<(const LogStream&, unsigned long);
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const LogStream& operator<<(const LogStream&, unsigned long long);
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const LogStream& operator<<(const LogStream&, const void*);
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inline const LogStream& operator<<(const LogStream& stream, char value)
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{
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stream.write(&value, 1);
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return stream;
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}
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inline const LogStream& operator<<(const LogStream& stream, bool value)
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{
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return stream << (value ? "true" : "false");
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}
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DebugLogStream dbg();
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}
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using AK::dbg;
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using AK::LogStream;
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