CMake/Source/cmCMakePolicyCommand.cxx

123 lines
3.0 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
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 "cmCMakePolicyCommand.h"
#include "cmVersion.h"
// cmCMakePolicyCommand
bool cmCMakePolicyCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 1)
{
this->SetError("requires at least one argument.");
return false;
}
if(args[0] == "SET")
{
return this->HandleSetMode(args);
}
else if(args[0] == "PUSH")
{
if(args.size() > 1)
{
this->SetError("PUSH may not be given additional arguments.");
return false;
}
return this->Makefile->PushPolicy();
}
else if(args[0] == "POP")
{
if(args.size() > 1)
{
this->SetError("POP may not be given additional arguments.");
return false;
}
if(this->Makefile->PopPolicy(false))
{
return true;
}
else
{
this->SetError("POP without matching PUSH");
return false;
}
}
else if(args[0] == "VERSION")
{
return this->HandleVersionMode(args);
}
cmOStringStream e;
e << "given unknown first argument \"" << args[0] << "\"";
this->SetError(e.str().c_str());
return false;
}
//----------------------------------------------------------------------------
bool cmCMakePolicyCommand::HandleSetMode(std::vector<std::string> const& args)
{
if(args.size() != 3)
{
this->SetError("SET must be given exactly 2 additional arguments.");
return false;
}
cmPolicies::PolicyStatus status;
if(args[2] == "OLD")
{
status = cmPolicies::OLD;
}
else if(args[2] == "NEW")
{
status = cmPolicies::NEW;
}
else
{
cmOStringStream e;
e << "SET given unrecognized policy status \"" << args[2] << "\"";
this->SetError(e.str().c_str());
return false;
}
if(!this->Makefile->SetPolicy(args[1].c_str(), status))
{
this->SetError("SET failed to set policy.");
return false;
}
return true;
}
//----------------------------------------------------------------------------
bool
cmCMakePolicyCommand::HandleVersionMode(std::vector<std::string> const& args)
{
if(args.size() <= 1)
{
this->SetError("VERSION not given an argument");
return false;
}
else if(args.size() >= 3)
{
this->SetError("VERSION given too many arguments");
return false;
}
this->Makefile->SetPolicyVersion(args[1].c_str());
return true;
}