| /*============================================================================ |
| CMake - Cross Platform Makefile Generator |
| Copyright 2000-2009 Kitware, Inc., Insight Software Consortium |
| |
| Distributed under the OSI-approved BSD License (the "License"); |
| see accompanying file Copyright.txt for details. |
| |
| This software is distributed WITHOUT ANY WARRANTY; without even the |
| implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the License for more information. |
| ============================================================================*/ |
| #include "cmVariableWatchCommand.h" |
| |
| #include "cmVariableWatch.h" |
| |
| //---------------------------------------------------------------------------- |
| static void cmVariableWatchCommandVariableAccessed( |
| const std::string& variable, int access_type, void* client_data, |
| const char* newValue, const cmMakefile* mf) |
| { |
| cmVariableWatchCommand* command |
| = static_cast<cmVariableWatchCommand*>(client_data); |
| command->VariableAccessed(variable, access_type, newValue, mf); |
| } |
| |
| //---------------------------------------------------------------------------- |
| cmVariableWatchCommand::cmVariableWatchCommand() |
| { |
| this->InCallback = false; |
| } |
| |
| //---------------------------------------------------------------------------- |
| bool cmVariableWatchCommand |
| ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &) |
| { |
| if ( args.size() < 1 ) |
| { |
| this->SetError("must be called with at least one argument."); |
| return false; |
| } |
| std::string variable = args[0]; |
| if ( args.size() > 1 ) |
| { |
| std::string command = args[1]; |
| this->Handlers[variable].Commands.push_back(args[1]); |
| } |
| if ( variable == "CMAKE_CURRENT_LIST_FILE" ) |
| { |
| cmOStringStream ostr; |
| ostr << "cannot be set on the variable: " << variable.c_str(); |
| this->SetError(ostr.str().c_str()); |
| return false; |
| } |
| |
| this->Makefile->GetCMakeInstance()->GetVariableWatch()->AddWatch( |
| variable, cmVariableWatchCommandVariableAccessed, this); |
| |
| return true; |
| } |
| |
| //---------------------------------------------------------------------------- |
| void cmVariableWatchCommand::VariableAccessed(const std::string& variable, |
| int access_type, const char* newValue, const cmMakefile* mf) |
| { |
| if ( this->InCallback ) |
| { |
| return; |
| } |
| this->InCallback = true; |
| |
| cmListFileFunction newLFF; |
| cmVariableWatchCommandHandler *handler = &this->Handlers[variable]; |
| cmVariableWatchCommandHandler::VectorOfCommands::iterator it; |
| cmListFileArgument arg; |
| bool processed = false; |
| const char* accessString = cmVariableWatch::GetAccessAsString(access_type); |
| const char* currentListFile = mf->GetDefinition("CMAKE_CURRENT_LIST_FILE"); |
| |
| /// Ultra bad!! |
| cmMakefile* makefile = const_cast<cmMakefile*>(mf); |
| |
| std::string stack = makefile->GetProperty("LISTFILE_STACK"); |
| for ( it = handler->Commands.begin(); it != handler->Commands.end(); |
| ++ it ) |
| { |
| std::string command = *it; |
| newLFF.Arguments.clear(); |
| newLFF.Arguments.push_back( |
| cmListFileArgument(variable, true, "unknown", 9999)); |
| newLFF.Arguments.push_back( |
| cmListFileArgument(accessString, true, "unknown", 9999)); |
| newLFF.Arguments.push_back( |
| cmListFileArgument(newValue?newValue:"", true, "unknown", 9999)); |
| newLFF.Arguments.push_back( |
| cmListFileArgument(currentListFile, true, "unknown", 9999)); |
| newLFF.Arguments.push_back( |
| cmListFileArgument(stack, true, "unknown", 9999)); |
| newLFF.Name = command; |
| newLFF.FilePath = "Some weird path"; |
| newLFF.Line = 9999; |
| cmExecutionStatus status; |
| if(!makefile->ExecuteCommand(newLFF,status)) |
| { |
| arg.FilePath = "Unknown"; |
| arg.Line = 0; |
| cmOStringStream error; |
| error << "Error in cmake code at\n" |
| << arg.FilePath << ":" << arg.Line << ":\n" |
| << "A command failed during the invocation of callback\"" |
| << command << "\"."; |
| cmSystemTools::Error(error.str().c_str()); |
| this->InCallback = false; |
| return; |
| } |
| processed = true; |
| } |
| if ( !processed ) |
| { |
| cmOStringStream msg; |
| msg << "* Variable \"" << variable.c_str() << "\" was accessed using " |
| << accessString << " in: " << currentListFile << std::endl; |
| msg << " The value of the variable: \"" << newValue << "\"" << std::endl; |
| msg << " The list file stack: " << stack.c_str(); |
| cmSystemTools::Message(msg.str().c_str()); |
| std::vector<std::string> vars = makefile->GetDefinitions(); |
| cmOStringStream msg2; |
| size_t cc; |
| for ( cc = 0; cc < vars.size(); cc ++ ) |
| { |
| if ( vars[cc] == variable ) |
| { |
| continue; |
| } |
| msg2 << vars[cc] << " = \"" |
| << makefile->GetDefinition(vars[cc].c_str()) << "\"" << std::endl; |
| } |
| //cmSystemTools::Message(msg2.str().c_str()); |
| } |
| this->InCallback = false; |
| } |