You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
2.0 KiB
67 lines
2.0 KiB
/*=========================================================================
|
|
|
|
Program: CMake - Cross-Platform Makefile Generator
|
|
Module: $RCSfile: cmMathCommand.cxx,v $
|
|
Language: C++
|
|
Date: $Date: 2008-01-23 15:27:59 $
|
|
Version: $Revision: 1.3 $
|
|
|
|
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
|
|
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notices for more information.
|
|
|
|
=========================================================================*/
|
|
#include "cmMathCommand.h"
|
|
|
|
#include "cmExprParserHelper.h"
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmMathCommand
|
|
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
|
|
{
|
|
if ( args.size() < 1 )
|
|
{
|
|
this->SetError("must be called with at least one argument.");
|
|
return false;
|
|
}
|
|
const std::string &subCommand = args[0];
|
|
if(subCommand == "EXPR")
|
|
{
|
|
return this->HandleExprCommand(args);
|
|
}
|
|
std::string e = "does not recognize sub-command "+subCommand;
|
|
this->SetError(e.c_str());
|
|
return false;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmMathCommand::HandleExprCommand(std::vector<std::string> const& args)
|
|
{
|
|
if ( args.size() != 3 )
|
|
{
|
|
this->SetError("EXPR called with incorrect arguments.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& outputVariable = args[1];
|
|
const std::string& expression = args[2];
|
|
|
|
cmExprParserHelper helper;
|
|
if ( !helper.ParseString(expression.c_str(), 0) )
|
|
{
|
|
std::string e = "cannot parse the expression: \""+expression+"\": ";
|
|
e += helper.GetError();
|
|
this->SetError(e.c_str());
|
|
return false;
|
|
}
|
|
|
|
char buffer[1024];
|
|
sprintf(buffer, "%d", helper.GetResult());
|
|
|
|
this->Makefile->AddDefinition(outputVariable.c_str(), buffer);
|
|
return true;
|
|
}
|