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Add Stoppable prepare and start interfaces
This commit is contained in:
Vinnie Falco
363
beast/utility/impl/Debug.cpp
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363
beast/utility/impl/Debug.cpp
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//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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namespace beast {
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namespace Debug {
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void breakPoint ()
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{
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#if BEAST_DEBUG
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if (beast_isRunningUnderDebugger ())
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beast_breakDebugger;
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#else
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bassertfalse;
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#endif
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}
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//------------------------------------------------------------------------------
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#if BEAST_MSVC && defined (_DEBUG)
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#if BEAST_CHECK_MEMORY_LEAKS
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struct DebugFlagsInitialiser
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{
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DebugFlagsInitialiser()
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{
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// Activate leak checks on exit in the MSVC Debug CRT (C Runtime)
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//
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_CrtSetDbgFlag (_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
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}
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};
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static DebugFlagsInitialiser debugFlagsInitialiser;
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#endif
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void setAlwaysCheckHeap (bool bAlwaysCheck)
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{
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int flags = _CrtSetDbgFlag (_CRTDBG_REPORT_FLAG);
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if (bAlwaysCheck) flags |= _CRTDBG_CHECK_ALWAYS_DF; // on
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else flags &= ~_CRTDBG_CHECK_ALWAYS_DF; // off
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_CrtSetDbgFlag (flags);
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}
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void setHeapDelayedFree (bool bDelayedFree)
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{
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int flags = _CrtSetDbgFlag (_CRTDBG_REPORT_FLAG);
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if (bDelayedFree) flags |= _CRTDBG_DELAY_FREE_MEM_DF; // on
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else flags &= ~_CRTDBG_DELAY_FREE_MEM_DF; // off
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_CrtSetDbgFlag (flags);
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}
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void setHeapReportLeaks (bool bReportLeaks)
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{
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int flags = _CrtSetDbgFlag (_CRTDBG_REPORT_FLAG);
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if (bReportLeaks) flags |= _CRTDBG_LEAK_CHECK_DF; // on
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else flags &= ~_CRTDBG_LEAK_CHECK_DF; // off
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_CrtSetDbgFlag (flags);
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}
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void reportLeaks ()
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{
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_CrtDumpMemoryLeaks ();
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}
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void checkHeap ()
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{
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_CrtCheckMemory ();
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}
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//------------------------------------------------------------------------------
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#else
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void setAlwaysCheckHeap (bool)
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{
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}
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void setHeapDelayedFree (bool)
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{
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}
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void setHeapReportLeaks (bool)
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{
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}
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void reportLeaks ()
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{
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}
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void checkHeap ()
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{
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}
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#endif
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//------------------------------------------------------------------------------
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String getSourceLocation (char const* fileName, int lineNumber,
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int numberOfParents)
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{
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return getFileNameFromPath (fileName, numberOfParents) +
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"(" + String::fromNumber (lineNumber) + ")";
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}
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String getFileNameFromPath (const char* sourceFileName, int numberOfParents)
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{
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String fullPath (sourceFileName);
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#if BEAST_WINDOWS
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// Convert everything to forward slash
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fullPath = fullPath.replaceCharacter ('\\', '/');
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#endif
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String path;
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int chopPoint = fullPath.lastIndexOfChar ('/');
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path = fullPath.substring (chopPoint + 1);
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while (chopPoint >= 0 && numberOfParents > 0)
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{
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--numberOfParents;
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fullPath = fullPath.substring (0, chopPoint);
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chopPoint = fullPath.lastIndexOfChar ('/');
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path = fullPath.substring (chopPoint + 1) + '/' + path;
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}
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return path;
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}
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// Returns a String with double quotes escaped
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static const String withEscapedQuotes (String const& string)
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{
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String escaped;
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int i0 = 0;
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int i;
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do
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{
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i = string.indexOfChar (i0, '"');
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if (i == -1)
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{
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escaped << string.substring (i0, string.length ());
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}
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else
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{
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escaped << string.substring (i0, i) << "\\\"";
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i0 = i + 1;
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}
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}
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while (i != -1);
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return escaped;
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}
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// Converts escaped quotes back into regular quotes
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static const String withUnescapedQuotes (String const& string)
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{
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String unescaped;
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int i0 = 0;
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int i;
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do
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{
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i = string.indexOfChar (i0, '\\');
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if (i == -1)
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{
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unescaped << string.substring (i0, string.length ());
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}
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else
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{
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// peek
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if (string.length () > i && string[i + 1] == '\"')
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{
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unescaped << string.substring (i0, i) << '"';
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i0 = i + 2;
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}
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else
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{
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unescaped << string.substring (i0, i + 1);
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i0 = i + 1;
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}
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}
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}
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while (i != -1);
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return unescaped;
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}
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// Converts a String that may contain newlines, into a
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// command line where each line is delimited with quotes.
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// Any quotes in the actual string will be escaped via \".
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String stringToCommandLine (String const& string)
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{
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String commandLine;
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int i0 = 0;
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int i;
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for (i = 0; i < string.length (); i++)
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{
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beast_wchar c = string[i];
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if (c == '\n')
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{
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if (i0 != 0)
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commandLine << ' ';
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commandLine << '"' << withEscapedQuotes (string.substring (i0, i)) << '"';
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i0 = i + 1;
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}
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}
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if (i0 < i)
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{
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if (i0 != 0)
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commandLine << ' ';
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commandLine << '"' << withEscapedQuotes (string.substring (i0, i)) << '"';
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}
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return commandLine;
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}
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// Converts a command line consisting of multiple quoted strings
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// back into a single string with newlines delimiting each quoted
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// string. Escaped quotes \" are turned into real quotes.
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String commandLineToString (const String& commandLine)
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{
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String string;
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bool quoting = false;
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int i0 = 0;
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int i;
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for (i = 0; i < commandLine.length (); i++)
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{
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beast_wchar c = commandLine[i];
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if (c == '\\')
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{
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// peek
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if (commandLine.length () > i && commandLine[i + 1] == '\"')
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{
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i++;
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}
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}
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else if (c == '"')
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{
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if (!quoting)
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{
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i0 = i + 1;
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quoting = true;
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}
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else
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{
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if (!string.isEmpty ())
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string << '\n';
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string << withUnescapedQuotes (commandLine.substring (i0, i));
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quoting = false;
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}
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}
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}
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return string;
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}
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}
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//------------------------------------------------------------------------------
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// A simple unit test to determine the diagnostic settings in a build.
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//
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class DebugTests : public UnitTest
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{
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public:
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static int envDebug ()
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{
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#ifdef _DEBUG
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return 1;
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#else
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return 0;
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#endif
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}
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static int beastDebug ()
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{
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#ifdef BEAST_DEBUG
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return BEAST_DEBUG;
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#else
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return 0;
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#endif
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}
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static int beastForceDebug ()
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{
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#ifdef BEAST_FORCE_DEBUG
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return BEAST_FORCE_DEBUG;
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#else
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return 0;
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#endif
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}
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static int beastCatchExceptions ()
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{
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#ifdef BEAST_CATCH_UNHANDLED_EXCEPTIONS
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return BEAST_CATCH_UNHANDLED_EXCEPTIONS;
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#else
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return 0;
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#endif
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}
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void runTest ()
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{
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beginTestCase ("diagnostics");
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logMessage ("operatingSystemName = '" + SystemStats::getOperatingSystemName () + "'");
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logMessage ("_DEBUG = " + String::fromNumber (envDebug ()));
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logMessage ("BEAST_DEBUG = " + String::fromNumber (beastDebug ()));
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logMessage ("BEAST_FORCE_DEBUG = " + String::fromNumber (beastForceDebug ()));
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logMessage ("BEAST_CATCH_UNHANDLED_EXCEPTIONS = " + String::fromNumber (beastCatchExceptions ()));
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bassertfalse;
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fail ();
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}
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DebugTests () : UnitTest ("Debug", "beast", runManual)
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{
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}
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};
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static DebugTests debugTests;
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}
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