mirror of
https://github.com/flutter/flutter.git
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303 lines
11 KiB
C++
303 lines
11 KiB
C++
/*
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* Copyright (C) 2012 Apple Inc. 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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (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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#ifndef SKY_ENGINE_WTF_PRINTSTREAM_H_
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#define SKY_ENGINE_WTF_PRINTSTREAM_H_
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#include <stdarg.h>
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#include "sky/engine/wtf/FastAllocBase.h"
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#include "sky/engine/wtf/Noncopyable.h"
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#include "sky/engine/wtf/StdLibExtras.h"
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#include "sky/engine/wtf/WTFExport.h"
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namespace WTF {
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class CString;
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class String;
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class WTF_EXPORT PrintStream {
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WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(PrintStream);
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public:
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PrintStream();
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virtual ~PrintStream();
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void printf(const char* format, ...) WTF_ATTRIBUTE_PRINTF(2, 3);
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virtual void vprintf(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(2, 0) = 0;
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// Typically a no-op for many subclasses of PrintStream, this is a hint that
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// the implementation should flush its buffers if it had not done so already.
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virtual void flush();
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template<typename T>
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void print(const T& value)
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{
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printInternal(*this, value);
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}
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template<typename T1, typename T2>
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void print(const T1& value1, const T2& value2)
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{
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print(value1);
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print(value2);
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}
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template<typename T1, typename T2, typename T3>
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void print(const T1& value1, const T2& value2, const T3& value3)
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{
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print(value1);
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print(value2);
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print(value3);
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}
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template<typename T1, typename T2, typename T3, typename T4>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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print(value8);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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print(value8);
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print(value9);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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print(value8);
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print(value9);
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print(value10);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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print(value8);
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print(value9);
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print(value10);
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print(value11);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11, typename T12>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11, const T12& value12)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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print(value8);
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print(value9);
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print(value10);
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print(value11);
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print(value12);
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}
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template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11, typename T12, typename T13>
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void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11, const T12& value12, const T13& value13)
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{
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print(value1);
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print(value2);
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print(value3);
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print(value4);
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print(value5);
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print(value6);
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print(value7);
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print(value8);
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print(value9);
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print(value10);
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print(value11);
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print(value12);
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print(value13);
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}
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};
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WTF_EXPORT void printInternal(PrintStream&, const char*);
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WTF_EXPORT void printInternal(PrintStream&, const CString&);
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WTF_EXPORT void printInternal(PrintStream&, const String&);
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inline void printInternal(PrintStream& out, char* value) { printInternal(out, static_cast<const char*>(value)); }
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inline void printInternal(PrintStream& out, CString& value) { printInternal(out, static_cast<const CString&>(value)); }
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inline void printInternal(PrintStream& out, String& value) { printInternal(out, static_cast<const String&>(value)); }
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WTF_EXPORT void printInternal(PrintStream&, bool);
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WTF_EXPORT void printInternal(PrintStream&, int);
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WTF_EXPORT void printInternal(PrintStream&, unsigned);
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WTF_EXPORT void printInternal(PrintStream&, long);
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WTF_EXPORT void printInternal(PrintStream&, unsigned long);
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WTF_EXPORT void printInternal(PrintStream&, long long);
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WTF_EXPORT void printInternal(PrintStream&, unsigned long long);
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WTF_EXPORT void printInternal(PrintStream&, float);
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WTF_EXPORT void printInternal(PrintStream&, double);
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template<typename T>
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void printInternal(PrintStream& out, const T& value)
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{
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value.dump(out);
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}
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#define MAKE_PRINT_ADAPTOR(Name, Type, function) \
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class Name { \
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public: \
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Name(const Type& value) \
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: m_value(value) \
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{ \
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} \
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void dump(PrintStream& out) const \
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{ \
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function(out, m_value); \
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} \
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private: \
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Type m_value; \
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}
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#define MAKE_PRINT_METHOD_ADAPTOR(Name, Type, method) \
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class Name { \
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public: \
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Name(const Type& value) \
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: m_value(value) \
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{ \
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} \
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void dump(PrintStream& out) const \
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{ \
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m_value.method(out); \
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} \
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private: \
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const Type& m_value; \
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}
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#define MAKE_PRINT_METHOD(Type, dumpMethod, method) \
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MAKE_PRINT_METHOD_ADAPTOR(DumperFor_##method, Type, dumpMethod); \
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DumperFor_##method method() const { return DumperFor_##method(*this); }
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// Use an adaptor-based dumper for characters to avoid situations where
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// you've "compressed" an integer to a character and it ends up printing
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// as ASCII when you wanted it to print as a number.
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void dumpCharacter(PrintStream&, char);
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MAKE_PRINT_ADAPTOR(CharacterDump, char, dumpCharacter);
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template<typename T>
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class PointerDump {
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public:
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PointerDump(const T* ptr)
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: m_ptr(ptr)
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{
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}
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void dump(PrintStream& out) const
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{
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if (m_ptr)
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printInternal(out, *m_ptr);
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else
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out.print("(null)");
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}
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private:
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const T* m_ptr;
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};
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template<typename T>
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PointerDump<T> pointerDump(const T* ptr) { return PointerDump<T>(ptr); }
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} // namespace WTF
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using WTF::CharacterDump;
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using WTF::PointerDump;
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using WTF::PrintStream;
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using WTF::pointerDump;
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#endif // SKY_ENGINE_WTF_PRINTSTREAM_H_
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