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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmMathCommand.h"
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#include "cmExprParserHelper.h"
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//----------------------------------------------------------------------------
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bool cmMathCommand
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::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
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if ( args.size() < 1 )
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{
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this->SetError("must be called with at least one argument.");
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return false;
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}
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const std::string &subCommand = args[0];
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if(subCommand == "EXPR")
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{
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return this->HandleExprCommand(args);
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}
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std::string e = "does not recognize sub-command "+subCommand;
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this->SetError(e.c_str());
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return false;
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}
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//----------------------------------------------------------------------------
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bool cmMathCommand::HandleExprCommand(std::vector<std::string> const& args)
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{
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if ( args.size() != 3 )
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{
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this->SetError("EXPR called with incorrect arguments.");
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return false;
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}
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const std::string& outputVariable = args[1];
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const std::string& expression = args[2];
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cmExprParserHelper helper;
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if ( !helper.ParseString(expression.c_str(), 0) )
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{
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std::string e = "cannot parse the expression: \""+expression+"\": ";
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e += helper.GetError();
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this->SetError(e.c_str());
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return false;
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}
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char buffer[1024];
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sprintf(buffer, "%d", helper.GetResult());
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this->Makefile->AddDefinition(outputVariable.c_str(), buffer);
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return true;
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}
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