mirror of
https://github.com/reactos/CMake.git
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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.
247 lines
6.6 KiB
C++
247 lines
6.6 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 "cmForEachCommand.h"
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#include <cmsys/auto_ptr.hxx>
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bool cmForEachFunctionBlocker::
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IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
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cmExecutionStatus &inStatus)
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{
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if (!cmSystemTools::Strucmp(lff.Name.c_str(),"foreach"))
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{
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// record the number of nested foreach commands
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this->Depth++;
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}
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else if (!cmSystemTools::Strucmp(lff.Name.c_str(),"endforeach"))
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{
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// if this is the endofreach for this statement
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if (!this->Depth)
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{
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// Remove the function blocker for this scope or bail.
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cmsys::auto_ptr<cmFunctionBlocker>
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fb(mf.RemoveFunctionBlocker(this, lff));
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if(!fb.get()) { return false; }
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// at end of for each execute recorded commands
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// store the old value
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std::string oldDef;
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if (mf.GetDefinition(this->Args[0].c_str()))
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{
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oldDef = mf.GetDefinition(this->Args[0].c_str());
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}
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std::vector<std::string>::const_iterator j = this->Args.begin();
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++j;
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std::string tmps;
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cmListFileArgument arg;
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for( ; j != this->Args.end(); ++j)
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{
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// set the variable to the loop value
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mf.AddDefinition(this->Args[0].c_str(),j->c_str());
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// Invoke all the functions that were collected in the block.
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cmExecutionStatus status;
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for(unsigned int c = 0; c < this->Functions.size(); ++c)
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{
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status.Clear();
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mf.ExecuteCommand(this->Functions[c],status);
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if (status.GetReturnInvoked())
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{
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inStatus.SetReturnInvoked(true);
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// restore the variable to its prior value
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mf.AddDefinition(this->Args[0].c_str(),oldDef.c_str());
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return true;
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}
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if (status.GetBreakInvoked())
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{
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// restore the variable to its prior value
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mf.AddDefinition(this->Args[0].c_str(),oldDef.c_str());
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return true;
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}
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if(cmSystemTools::GetFatalErrorOccured() )
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{
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return true;
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}
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}
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}
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// restore the variable to its prior value
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mf.AddDefinition(this->Args[0].c_str(),oldDef.c_str());
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return true;
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}
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else
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{
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// close out a nested foreach
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this->Depth--;
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}
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}
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// record the command
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this->Functions.push_back(lff);
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// always return true
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return true;
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}
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bool cmForEachFunctionBlocker::
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ShouldRemove(const cmListFileFunction& lff, cmMakefile& mf)
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{
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if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endforeach"))
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{
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std::vector<std::string> expandedArguments;
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mf.ExpandArguments(lff.Arguments, expandedArguments);
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// if the endforeach has arguments then make sure
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// they match the begin foreach arguments
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if ((expandedArguments.empty() ||
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(expandedArguments[0] == this->Args[0])))
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{
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return true;
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}
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}
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return false;
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}
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bool cmForEachCommand
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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("called with incorrect number of arguments");
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return false;
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}
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if(args.size() > 1 && args[1] == "IN")
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{
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return this->HandleInMode(args);
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}
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// create a function blocker
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cmForEachFunctionBlocker *f = new cmForEachFunctionBlocker();
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if ( args.size() > 1 )
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{
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if ( args[1] == "RANGE" )
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{
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int start = 0;
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int stop = 0;
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int step = 0;
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if ( args.size() == 3 )
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{
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stop = atoi(args[2].c_str());
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}
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if ( args.size() == 4 )
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{
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start = atoi(args[2].c_str());
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stop = atoi(args[3].c_str());
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}
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if ( args.size() == 5 )
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{
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start = atoi(args[2].c_str());
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stop = atoi(args[3].c_str());
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step = atoi(args[4].c_str());
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}
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if ( step == 0 )
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{
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if ( start > stop )
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{
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step = -1;
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}
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else
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{
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step = 1;
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}
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}
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if (
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(start > stop && step > 0) ||
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(start < stop && step < 0) ||
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step == 0
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)
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{
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cmOStringStream str;
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str << "called with incorrect range specification: start ";
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str << start << ", stop " << stop << ", step " << step;
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this->SetError(str.str().c_str());
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return false;
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}
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std::vector<std::string> range;
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char buffer[100];
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range.push_back(args[0]);
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int cc;
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for ( cc = start; ; cc += step )
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{
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if ( (step > 0 && cc > stop) || (step < 0 && cc < stop) )
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{
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break;
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}
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sprintf(buffer, "%d", cc);
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range.push_back(buffer);
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if ( cc == stop )
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{
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break;
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}
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}
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f->Args = range;
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}
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else
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{
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f->Args = args;
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}
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}
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else
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{
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f->Args = args;
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}
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this->Makefile->AddFunctionBlocker(f);
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmForEachCommand::HandleInMode(std::vector<std::string> const& args)
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{
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cmsys::auto_ptr<cmForEachFunctionBlocker> f(new cmForEachFunctionBlocker());
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f->Args.push_back(args[0]);
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enum Doing { DoingNone, DoingLists, DoingItems };
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Doing doing = DoingNone;
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for(unsigned int i=2; i < args.size(); ++i)
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{
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if(doing == DoingItems)
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{
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f->Args.push_back(args[i]);
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}
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else if(args[i] == "LISTS")
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{
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doing = DoingLists;
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}
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else if(args[i] == "ITEMS")
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{
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doing = DoingItems;
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}
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else if(doing == DoingLists)
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{
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const char* value = this->Makefile->GetDefinition(args[i].c_str());
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if(value && *value)
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{
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cmSystemTools::ExpandListArgument(value, f->Args, true);
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}
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}
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else
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{
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cmOStringStream e;
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e << "Unknown argument:\n" << " " << args[i] << "\n";
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
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return true;
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}
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}
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this->Makefile->AddFunctionBlocker(f.release()); // TODO: pass auto_ptr
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return true;
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}
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