mirror of
https://github.com/reactos/CMake.git
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327 lines
9.4 KiB
C++
327 lines
9.4 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmMacroCommand.h"
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// define the class for macro commands
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class cmMacroHelperCommand : public cmCommand
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{
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public:
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cmMacroHelperCommand() {}
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///! clean up any memory allocated by the macro
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~cmMacroHelperCommand() {};
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/**
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* This is a virtual constructor for the command.
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*/
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virtual cmCommand* Clone()
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{
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cmMacroHelperCommand *newC = new cmMacroHelperCommand;
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// we must copy when we clone
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newC->m_Args = this->m_Args;
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newC->m_Functions = this->m_Functions;
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return newC;
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}
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
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*/
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virtual bool InvokeInitialPass(const std::vector<cmListFileArgument>& args);
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virtual bool InitialPass(std::vector<std::string> const&) { return false; };
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
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virtual const char* GetName() { return this->m_Args[0].c_str(); }
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation()
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{
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std::string docs = "Macro named: ";
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docs += this->GetName();
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return docs.c_str();
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}
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/**
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* More documentation.
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*/
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virtual const char* GetFullDocumentation()
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{
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return this->GetTerseDocumentation();
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}
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cmTypeMacro(cmMacroHelperCommand, cmCommand);
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std::vector<std::string> m_Args;
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std::vector<cmListFileFunction> m_Functions;
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};
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bool cmMacroHelperCommand::InvokeInitialPass
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(const std::vector<cmListFileArgument>& args)
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{
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// Expand the argument list to the macro.
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std::vector<std::string> expandedArgs;
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m_Makefile->ExpandArguments(args, expandedArgs);
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std::string tmps;
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cmListFileArgument arg;
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std::string variable;
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// make sure the number of arguments passed is at least the number
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// required by the signature
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if (expandedArgs.size() < m_Args.size() - 1)
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{
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std::string errorMsg =
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"Macro invoked with incorrect arguments for macro named: ";
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errorMsg += m_Args[0];
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this->SetError(errorMsg.c_str());
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return false;
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}
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// set the value of argc
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cmOStringStream argcDefStream;
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argcDefStream << expandedArgs.size();
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std::string argcDef = argcDefStream.str();
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// declare varuiables for ARGV ARGN but do not compute until needed
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std::string argvDef;
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std::string argnDef;
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bool argnDefInitialized = false;
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bool argvDefInitialized = false;
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// Invoke all the functions that were collected in the block.
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cmListFileFunction newLFF;
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// for each function
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for(unsigned int c = 0; c < m_Functions.size(); ++c)
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{
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// Replace the formal arguments and then invoke the command.
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newLFF.m_Arguments.clear();
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newLFF.m_Arguments.reserve(m_Functions[c].m_Arguments.size());
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newLFF.m_Name = m_Functions[c].m_Name;
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newLFF.m_FilePath = m_Functions[c].m_FilePath;
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newLFF.m_Line = m_Functions[c].m_Line;
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const char* def =
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m_Makefile->GetDefinition("CMAKE_MACRO_REPORT_DEFINITION_LOCATION");
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bool macroReportLocation = false;
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if(def && !cmSystemTools::IsOff(def))
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{
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macroReportLocation = true;
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}
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// for each argument of the current function
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for (std::vector<cmListFileArgument>::const_iterator k =
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m_Functions[c].m_Arguments.begin();
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k != m_Functions[c].m_Arguments.end(); ++k)
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{
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tmps = k->Value;
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// replace formal arguments
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for (unsigned int j = 1; j < m_Args.size(); ++j)
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{
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variable = "${";
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variable += m_Args[j];
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variable += "}";
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cmSystemTools::ReplaceString(tmps, variable.c_str(),
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expandedArgs[j-1].c_str());
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}
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// replace argc
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cmSystemTools::ReplaceString(tmps, "${ARGC}",argcDef.c_str());
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// repleace ARGN
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if (tmps.find("${ARGN}") != std::string::npos)
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{
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if (!argnDefInitialized)
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{
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std::vector<std::string>::const_iterator eit;
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std::vector<std::string>::size_type cnt = 0;
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for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
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{
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if ( cnt >= m_Args.size()-1 )
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{
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if ( argnDef.size() > 0 )
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{
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argnDef += ";";
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}
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argnDef += *eit;
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}
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cnt ++;
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}
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argnDefInitialized = true;
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}
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cmSystemTools::ReplaceString(tmps, "${ARGN}", argnDef.c_str());
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}
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// if the current argument of the current function has ${ARGV in it
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// then try replacing ARGV values
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if (tmps.find("${ARGV") != std::string::npos)
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{
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char argvName[60];
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// repleace ARGV, compute it only once
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if (!argvDefInitialized)
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{
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std::vector<std::string>::const_iterator eit;
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for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
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{
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if ( argvDef.size() > 0 )
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{
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argvDef += ";";
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}
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argvDef += *eit;
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}
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argvDefInitialized = true;
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}
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cmSystemTools::ReplaceString(tmps, "${ARGV}", argvDef.c_str());
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// also replace the ARGV1 ARGV2 ... etc
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for (unsigned int t = 0; t < expandedArgs.size(); ++t)
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{
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sprintf(argvName,"${ARGV%i}",t);
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cmSystemTools::ReplaceString(tmps, argvName,
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expandedArgs[t].c_str());
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}
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}
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arg.Value = tmps;
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arg.Quoted = k->Quoted;
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if(macroReportLocation)
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{
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// Report the location of the argument where the macro was
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// defined.
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arg.FilePath = k->FilePath;
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arg.Line = k->Line;
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}
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else
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{
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// Report the location of the argument where the macro was
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// invoked.
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if (args.size())
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{
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arg.FilePath = args[0].FilePath;
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arg.Line = args[0].Line;
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}
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else
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{
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arg.FilePath = "Unknown";
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arg.Line = 0;
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}
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}
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newLFF.m_Arguments.push_back(arg);
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}
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if(!m_Makefile->ExecuteCommand(newLFF))
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{
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cmOStringStream error;
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error << "Error in cmake code at\n"
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<< args[0].FilePath << ":" << args[0].Line << ":\n"
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<< "A command failed during the invocation of macro \""
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<< this->m_Args[0].c_str() << "\".";
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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}
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return true;
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}
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bool cmMacroFunctionBlocker::
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IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf)
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{
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// record commands until we hit the ENDMACRO
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// at the ENDMACRO call we shift gears and start looking for invocations
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if(lff.m_Name == "ENDMACRO")
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{
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std::vector<std::string> expandedArguments;
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mf.ExpandArguments(lff.m_Arguments, expandedArguments);
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if(!expandedArguments.empty() && (expandedArguments[0] == m_Args[0]))
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{
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std::string name = m_Args[0];
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std::vector<std::string>::size_type cc;
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name += "(";
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for ( cc = 0; cc < m_Args.size(); cc ++ )
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{
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name += " " + m_Args[cc];
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}
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name += " )";
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mf.AddMacro(m_Args[0].c_str(), name.c_str());
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// create a new command and add it to cmake
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cmMacroHelperCommand *f = new cmMacroHelperCommand();
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f->m_Args = this->m_Args;
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f->m_Functions = this->m_Functions;
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mf.AddCommand(f);
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// remove the function blocker now that the macro is defined
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mf.RemoveFunctionBlocker(lff);
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return true;
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}
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}
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// if it wasn't an endmacro and we are not executing then we must be
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// recording
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m_Functions.push_back(lff);
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return true;
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}
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bool cmMacroFunctionBlocker::
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ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf)
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{
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if(lff.m_Name == "ENDMACRO")
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{
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std::vector<std::string> expandedArguments;
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mf.ExpandArguments(lff.m_Arguments, expandedArguments);
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if(!expandedArguments.empty() && (expandedArguments[0] == m_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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void cmMacroFunctionBlocker::
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ScopeEnded(cmMakefile &mf)
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{
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// macros should end with an EndMacro
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cmSystemTools::Error("The end of a CMakeLists file was reached with a MACRO statement that was not closed properly. Within the directory: ",
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mf.GetCurrentDirectory(), " with macro ",
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m_Args[0].c_str());
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}
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bool cmMacroCommand::InitialPass(std::vector<std::string> const& args)
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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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// create a function blocker
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cmMacroFunctionBlocker *f = new cmMacroFunctionBlocker();
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for(std::vector<std::string>::const_iterator j = args.begin();
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j != args.end(); ++j)
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{
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f->m_Args.push_back(*j);
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}
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m_Makefile->AddFunctionBlocker(f);
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return true;
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}
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