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/*=========================================================================
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 "cmForEachCommand.h"
bool cmForEachFunctionBlocker::
IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
{
// Prevent recusion and don't let this blobker block its own
// commands.
if (m_Executing)
{
return false;
}
// at end of for each execute recorded commands
if (lff.m_Name == "ENDFOREACH")
{
std::vector<std::string> expandedArguments;
mf.ExpandArguments(lff.m_Arguments, expandedArguments);
if(!expandedArguments.empty() && (expandedArguments[0] == m_Args[0]))
{
m_Executing = true;
std::string variable = "${";
variable += m_Args[0];
variable += "}";
std::vector<std::string>::const_iterator j = m_Args.begin();
++j;
for( ; j != m_Args.end(); ++j)
{
// Invoke all the functions that were collected in the block.
for(unsigned int c = 0; c < m_Functions.size(); ++c)
{
// Replace the loop variable and then invoke the command.
cmListFileFunction newLFF;
newLFF.m_Name = m_Functions[c].m_Name;
for (std::vector<cmListFileArgument>::const_iterator k =
m_Functions[c].m_Arguments.begin();
k != m_Functions[c].m_Arguments.end(); ++k)
{
std::string tmps = k->Value;
cmSystemTools::ReplaceString(tmps, variable.c_str(), j->c_str());
cmListFileArgument arg(tmps, k->Quoted);
newLFF.m_Arguments.push_back(arg);
}
mf.ExecuteCommand(newLFF);
}
}
return false;
}
}
// record the command
m_Functions.push_back(lff);
// always return true
return true;
}
bool cmForEachFunctionBlocker::
ShouldRemove(const cmListFileFunction& lff, cmMakefile& mf)
{
if(lff.m_Name == "ENDFOREACH")
{
std::vector<std::string> expandedArguments;
mf.ExpandArguments(lff.m_Arguments, expandedArguments);
if(!expandedArguments.empty() && (expandedArguments[0] == m_Args[0]))
{
return true;
}
}
return false;
}
void cmForEachFunctionBlocker::
ScopeEnded(cmMakefile &mf)
{
cmSystemTools::Error("The end of a CMakeLists file was reached with a FOREACH statement that was not closed properly. Within the directory: ",
mf.GetCurrentDirectory());
}
bool cmForEachCommand::InitialPass(std::vector<std::string> const& args)
{
if(args.size() < 1)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// create a function blocker
cmForEachFunctionBlocker *f = new cmForEachFunctionBlocker();
f->m_Args = args;
m_Makefile->AddFunctionBlocker(f);
return true;
}
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