diff options
| -rw-r--r-- | Source/cmCommands.cxx | 2 | ||||
| -rw-r--r-- | Source/cmMacroCommand.cxx | 128 | ||||
| -rw-r--r-- | Source/cmMacroCommand.h | 104 |
3 files changed, 234 insertions, 0 deletions
diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx index ab48ccf..301ed62 100644 --- a/Source/cmCommands.cxx +++ b/Source/cmCommands.cxx @@ -58,6 +58,7 @@ #include "cmLinkDirectoriesCommand.cxx" #include "cmLinkLibrariesCommand.cxx" #include "cmLoadCacheCommand.cxx" +#include "cmMacroCommand.cxx" #include "cmMakeDirectoryCommand.cxx" #include "cmMarkAsAdvancedCommand.cxx" #include "cmMessageCommand.cxx" @@ -127,6 +128,7 @@ void GetPredefinedCommands(std::list<cmCommand*>& commands) commands.push_back(new cmLinkDirectoriesCommand); commands.push_back(new cmLinkLibrariesCommand); commands.push_back(new cmLoadCacheCommand); + commands.push_back(new cmMacroCommand); commands.push_back(new cmMakeDirectoryCommand); commands.push_back(new cmMarkAsAdvancedCommand); commands.push_back(new cmMessageCommand); diff --git a/Source/cmMacroCommand.cxx b/Source/cmMacroCommand.cxx new file mode 100644 index 0000000..4f52a81 --- /dev/null +++ b/Source/cmMacroCommand.cxx @@ -0,0 +1,128 @@ +/*========================================================================= + + Program: Insight Segmentation & Registration Toolkit + Module: $RCSfile$ + Language: C++ + Date: $Date$ + Version: $Revision$ + + Copyright (c) 2002 Insight Consortium. All rights reserved. + See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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 "cmMacroCommand.h" +#include "cmCacheManager.h" + +bool cmMacroFunctionBlocker:: +IsFunctionBlocked(const char *name, const std::vector<std::string> &args, + cmMakefile &mf) +{ + // record commands until we hit the ENDMACRO + // at the ENDMACRO call we shift gears and start looking for invocations + if (!strcmp(name,"ENDMACRO") && args[0] == m_Args[0]) + { + m_Executing = true; + return true; + } + + if (!m_Executing) + { + // if it wasn't an endmacro and we are not executing then we must be + // recording + m_Commands.push_back(name); + std::vector<std::string> newArgs; + for(std::vector<std::string>::const_iterator j = args.begin(); + j != args.end(); ++j) + { + newArgs.push_back(*j); + } + m_CommandArguments.push_back(newArgs); + return true; + } + + // otherwise the macro has been recorded and we are executing + // so we look for macro invocations + if (!strcmp(name,m_Args[0].c_str())) + { + // make sure the number of arguments matches + if (args.size() != m_Args.size() - 1) + { + cmSystemTools::Error("A macro was invoked without the correct number of arguments. The macro name was: ", m_Args[0].c_str()); + } + // for each recorded command + for(unsigned int c = 0; c < m_Commands.size(); ++c) + { + // perform argument replacement + std::vector<std::string> newArgs; + // for each argument of this command + for (std::vector<std::string>::const_iterator k = + m_CommandArguments[c].begin(); + k != m_CommandArguments[c].end(); ++k) + { + // replace any matches with the formal arguments + std::string tmps = *k; + // for each formal macro argument + for (unsigned int j = 1; j < m_Args.size(); ++j) + { + std::string variable = "${"; + variable += m_Args[j]; + variable += "}"; + cmSystemTools::ReplaceString(tmps, variable.c_str(), + args[j-1].c_str()); + } + newArgs.push_back(tmps); + } + // execute command + mf.ExecuteCommand(m_Commands[c],newArgs); + } + return true; + } + + // if not an invocation then it is just an ordinary line + return false; +} + +bool cmMacroFunctionBlocker:: +ShouldRemove(const char *name, const std::vector<std::string> &args, + cmMakefile &) +{ + if (!strcmp(name,"ENDFOREACH") && args[0] == m_Args[0]) + { + return true; + } + return false; +} + +void cmMacroFunctionBlocker:: +ScopeEnded(cmMakefile &) +{ + // macros never leave scope +} + +bool cmMacroCommand::InitialPass(std::vector<std::string> const& argsIn) +{ + std::vector<std::string> args; + cmSystemTools::ExpandListArguments(argsIn, args); + + if(args.size() < 1) + { + this->SetError("called with incorrect number of arguments"); + return false; + } + + // create a function blocker + cmMacroFunctionBlocker *f = new cmMacroFunctionBlocker(); + for(std::vector<std::string>::const_iterator j = args.begin(); + j != args.end(); ++j) + { + f->m_Args.push_back(*j); + } + m_Makefile->AddFunctionBlocker(f); + + return true; +} + diff --git a/Source/cmMacroCommand.h b/Source/cmMacroCommand.h new file mode 100644 index 0000000..61aa7df --- /dev/null +++ b/Source/cmMacroCommand.h @@ -0,0 +1,104 @@ +/*========================================================================= + + Program: Insight Segmentation & Registration Toolkit + Module: $RCSfile$ + Language: C++ + Date: $Date$ + Version: $Revision$ + + Copyright (c) 2002 Insight Consortium. All rights reserved. + See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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. + +=========================================================================*/ +#ifndef cmMacroCommand_h +#define cmMacroCommand_h + +#include "cmStandardIncludes.h" +#include "cmCommand.h" +#include "cmFunctionBlocker.h" + +/** \class cmMacroFunctionBlocker + * \brief subclass of function blocker + * + * + */ +class cmMacroFunctionBlocker : public cmFunctionBlocker +{ +public: + cmMacroFunctionBlocker() {m_Executing = false;} + virtual ~cmMacroFunctionBlocker() {} + virtual bool IsFunctionBlocked(const char *name, + const std::vector<std::string> &args, + cmMakefile &mf); + virtual bool ShouldRemove(const char *name, + const std::vector<std::string> &args, + cmMakefile &mf); + virtual void ScopeEnded(cmMakefile &mf); + + virtual int NeedExpandedVariables () { return 0; }; + + std::vector<std::string> m_Args; + std::vector<std::string> m_Commands; + std::vector<std::vector<std::string> > m_CommandArguments; + bool m_Executing; +}; + +/** \class cmMacroCommand + * \brief starts an if block + * + * cmMacroCommand starts an if block + */ +class cmMacroCommand : public cmCommand +{ +public: + /** + * This is a virtual constructor for the command. + */ + virtual cmCommand* Clone() + { + return new cmMacroCommand; + } + + /** + * This is called when the command is first encountered in + * the CMakeLists.txt file. + */ + virtual bool InitialPass(std::vector<std::string> const& args); + + /** + * This determines if the command gets propagated down + * to makefiles located in subdirectories. + */ + virtual bool IsInherited() {return true;} + + /** + * The name of the command as specified in CMakeList.txt. + */ + virtual const char* GetName() { return "MACRO";} + + /** + * Succinct documentation. + */ + virtual const char* GetTerseDocumentation() + { + return "start defining a Macro."; + } + + /** + * More documentation. + */ + virtual const char* GetFullDocumentation() + { + return + "MACRO(name arg1 arg2 arg3 ...) Starts to define a macro named name that takes arguments named arg1 arg2 arg3... When the macro is invoked the actual arguments passed replace the formal arguments. "; + } + + cmTypeMacro(cmMacroCommand, cmCommand); +}; + + +#endif |