92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/*
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* This file is a part of TTCalc - a mathematical calculator
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* and is distributed under the (new) BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2006-2008, Tomasz Sowa
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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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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * 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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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "compileconfig.h"
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#include "parsermanager.h"
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#include "tabs.h"
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#include <process.h>
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/*!
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the function for the second thread
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*/
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unsigned __stdcall CalculationsProcedure(void *)
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{
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ParserManager parser_manager;
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parser_manager.Init();
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// the main loop of calculations
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while( GetPrgRes()->GetThreadController()->WaitForCalculatingAndBlockForStop() )
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{
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HWND main_window = GetPrgRes()->GetMainWindow();
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// for the first we must copy all variables which we're using
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// (at this moment all calling from the main thread are stopped)
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parser_manager.MakeCopyOfVariables();
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// then we can set 'thread_controller' as being ready for the 'stop' signal
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GetPrgRes()->GetThreadController()->ReadyForStop();
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// (now the main thread can call various methods for changing the state)
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// and we're cleaning the output edit and sending a message about calculating
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SetDlgItemText(main_window, IDC_OUTPUT_EDIT, "");
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PostMessage(main_window, WM_SET_LAST_ERROR, (WPARAM)ttmath::err_still_calculating, 0);
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// we're showing info about converting
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parser_manager.ShowConvertingInfo();
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// and finally we're parsing the input string
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parser_manager.Parse();
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// after parsing we're sending a message about the result of parsing
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PostMessage(main_window, WM_SET_LAST_ERROR, (WPARAM)parser_manager.GetLastCode(), 0);
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// at the end we're printing the result
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// if there was a stop signal we continue the main loop without printing any values
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if( ! GetPrgRes()->GetThreadController()->WasStopSignal() )
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if( parser_manager.PrintResult() )
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PostMessage(main_window, WM_SET_LAST_ERROR, (WPARAM)parser_manager.GetLastCode(), 0);
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}
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_endthreadex(0);
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return 0;
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}
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