413 lines
14 KiB
C++
413 lines
14 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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// This class represents a cmake invocation. It is the top level class when
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// running cmake. Most cmake based GUIS should primarily create an instance
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// of this class and communicate with it.
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//
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// The basic process for a GUI is as follows:
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//
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// 1) Create a cmake instance
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// 2) Set the Home & Start directories, generator, and cmake command. this
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// can be done using the Set methods or by using SetArgs and passing in
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// command line arguments.
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// 3) Load the cache by calling LoadCache (duh)
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// 4) if you are using command line arguments with -D or -C flags then
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// call SetCacheArgs (or if for some other reason you want to modify the
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// cache, do it now.
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// 5) Finally call Configure
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// 6) Let the user change values and go back to step 5
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// 7) call Generate
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//
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// If your GUI allows the user to change the start & home directories then
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// you must at a minimum redo steps 2 through 7.
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//
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#ifndef cmake_h
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#define cmake_h
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#include "cmSystemTools.h"
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#include "cmPropertyDefinitionMap.h"
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#include "cmPropertyMap.h"
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class cmGlobalGenerator;
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class cmLocalGenerator;
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class cmCacheManager;
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class cmMakefile;
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class cmCommand;
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class cmVariableWatch;
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class cmFileTimeComparison;
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class cmake
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{
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public:
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typedef std::map<cmStdString, cmCommand*> RegisteredCommandsMap;
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///! construct an instance of cmake
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cmake();
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///! destruct an instance of cmake
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~cmake();
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///! construct an instance of cmake
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static const char *GetCMakeFilesDirectory() {return "/CMakeFiles";};
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static const char *GetCMakeFilesDirectoryPostSlash() {
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return "CMakeFiles/";};
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//@{
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/**
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* Set/Get the home directory (or output directory) in the project. The
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* home directory is the top directory of the project. It is where
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* cmake was run. Remember that CMake processes
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* CMakeLists files by recursing up the tree starting at the StartDirectory
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* and going up until it reaches the HomeDirectory.
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*/
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void SetHomeDirectory(const char* dir);
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const char* GetHomeDirectory() const
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{
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return this->cmHomeDirectory.c_str();
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}
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void SetHomeOutputDirectory(const char* lib);
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const char* GetHomeOutputDirectory() const
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{
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return this->HomeOutputDirectory.c_str();
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}
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//@}
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//@{
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/**
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* Set/Get the start directory (or output directory). The start directory
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* is the directory of the CMakeLists.txt file that started the current
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* round of processing. Remember that CMake processes CMakeLists files by
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* recursing up the tree starting at the StartDirectory and going up until
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* it reaches the HomeDirectory.
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*/
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void SetStartDirectory(const char* dir)
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{
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this->cmStartDirectory = dir;
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cmSystemTools::ConvertToUnixSlashes(this->cmStartDirectory);
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}
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const char* GetStartDirectory() const
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{
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return this->cmStartDirectory.c_str();
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}
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void SetStartOutputDirectory(const char* lib)
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{
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this->StartOutputDirectory = lib;
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cmSystemTools::ConvertToUnixSlashes(this->StartOutputDirectory);
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}
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const char* GetStartOutputDirectory() const
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{
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return this->StartOutputDirectory.c_str();
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}
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//@}
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/**
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* Dump documentation to a file. If 0 is returned, the
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* operation failed.
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*/
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int DumpDocumentationToFile(std::ostream&);
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/**
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* Handle a command line invocation of cmake.
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*/
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int Run(const std::vector<std::string>&args)
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{ return this->Run(args, false); }
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int Run(const std::vector<std::string>&args, bool noconfigure);
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/**
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* Generate the SourceFilesList from the SourceLists. This should only be
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* done once to be safe. The argument is a list of command line
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* arguments. The first argument should be the name or full path
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* to the command line version of cmake. For building a GUI,
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* you would pass in the following arguments:
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* /path/to/cmake -H/path/to/source -B/path/to/build
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* If you only want to parse the CMakeLists.txt files,
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* but not actually generate the makefiles, use buildMakefiles = false.
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*/
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int Generate();
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/**
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* Configure the cmMakefiles. This routine will create a GlobalGenerator if
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* one has not already been set. It will then Call Configure on the
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* GlobalGenerator. This in turn will read in an process all the CMakeList
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* files for the tree. It will not produce any actual Makefiles, or
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* workspaces. Generate does that. */
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int Configure();
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/**
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* Configure the cmMakefiles. This routine will create a GlobalGenerator if
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* one has not already been set. It will then Call Configure on the
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* GlobalGenerator. This in turn will read in an process all the CMakeList
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* files for the tree. It will not produce any actual Makefiles, or
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* workspaces. Generate does that. */
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int LoadCache();
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void PreLoadCMakeFiles();
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///! Create a GlobalGenerator
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cmGlobalGenerator* CreateGlobalGenerator(const char* name);
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///! Return the global generator assigned to this instance of cmake
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cmGlobalGenerator* GetGlobalGenerator() { return this->GlobalGenerator; };
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///! Return the global generator assigned to this instance of cmake
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void SetGlobalGenerator(cmGlobalGenerator *);
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///! Get the names of the current registered generators
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void GetRegisteredGenerators(std::vector<std::string>& names);
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///! get the cmCachemManager used by this invocation of cmake
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cmCacheManager *GetCacheManager() { return this->CacheManager; }
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///! set the cmake command this instance of cmake should use
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void SetCMakeCommand(const char* cmd) { this->CMakeCommand = cmd; }
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/**
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* Given a variable name, return its value (as a string).
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*/
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const char* GetCacheDefinition(const char*) const;
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///! Add an entry into the cache
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void AddCacheEntry(const char* key, const char* value,
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const char* helpString,
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int type);
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/**
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* Execute commands during the build process. Supports options such
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* as echo, remove file etc.
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*/
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static int ExecuteCMakeCommand(std::vector<std::string>&);
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/**
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* Get the system information and write it to the file specified
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*/
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int GetSystemInformation(std::vector<std::string>&);
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/**
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* Add a command to this cmake instance
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*/
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void AddCommand(cmCommand* );
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void RenameCommand(const char* oldName, const char* newName);
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/**
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* Get a command by its name
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*/
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cmCommand *GetCommand(const char *name);
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/** Get list of all commands */
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RegisteredCommandsMap* GetCommands() { return &this->Commands; }
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/** Check if a command exists. */
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bool CommandExists(const char* name) const;
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///! Parse command line arguments
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void SetArgs(const std::vector<std::string>&);
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///! Is this cmake running as a result of a TRY_COMPILE command
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bool GetIsInTryCompile() { return this->InTryCompile; }
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///! Is this cmake running as a result of a TRY_COMPILE command
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void SetIsInTryCompile(bool i) { this->InTryCompile = i; }
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///! Parse command line arguments that might set cache values
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bool SetCacheArgs(const std::vector<std::string>&);
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typedef void (*ProgressCallbackType)
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(const char*msg, float progress, void *);
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/**
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* Set the function used by GUI's to receive progress updates
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* Function gets passed: message as a const char*, a progress
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* amount ranging from 0 to 1.0 and client data. The progress
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* number provided may be negative in cases where a message is
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* to be displayed without any progress percentage.
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*/
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void SetProgressCallback(ProgressCallbackType f, void* clientData=0);
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///! this is called by generators to update the progress
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void UpdateProgress(const char *msg, float prog);
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///! Get the variable watch object
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cmVariableWatch* GetVariableWatch() { return this->VariableWatch; }
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void GetCommandDocumentation(std::vector<cmDocumentationEntry>&) const;
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void GetPropertiesDocumentation(std::vector<cmDocumentationEntry>&);
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void GetGeneratorDocumentation(std::vector<cmDocumentationEntry>&);
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///! Set/Get a property of this target file
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void SetProperty(const char *prop, const char *value);
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const char *GetProperty(const char *prop);
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const char *GetProperty(const char *prop, cmProperty::ScopeType scope);
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bool GetPropertyAsBool(const char *prop);
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// Get the properties
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cmPropertyMap &GetProperties() { return this->Properties; };
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///! Do all the checks before running configure
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int DoPreConfigureChecks();
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/**
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* Set and get the script mode option. In script mode there is no
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* generator and no cache. Also, language are not enabled, so
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* add_executable and things do not do anything.
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*/
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void SetScriptMode(bool mode) { this->ScriptMode = mode; }
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bool GetScriptMode() { return this->ScriptMode; }
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///! Debug the try compile stuff by not delelting the files
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bool GetDebugTryCompile(){return this->DebugTryCompile;}
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void DebugTryCompileOn(){this->DebugTryCompile = true;}
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///! Get the list of files written by CMake using FILE(WRITE / WRITE_FILE
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void AddWrittenFile(const char* file);
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bool HasWrittenFile(const char* file);
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void CleanupWrittenFiles();
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/**
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* Generate CMAKE_ROOT and CMAKE_COMMAND cache entries
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*/
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int AddCMakePaths(const char *arg0);
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/**
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* Get the file comparison class
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*/
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cmFileTimeComparison* GetFileComparison() { return this->FileComparison; }
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/**
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* Get the path to ctest
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*/
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const char* GetCTestCommand();
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const char* GetCPackCommand();
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const char* GetCMakeCommand() { return this->CMakeCommand.c_str(); }
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// Do we want debug output during the cmake run.
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bool GetDebugOutput() { return this->DebugOutput; }
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void DebugOutputOn() { this->DebugOutput = true;}
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// Define a property
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void DefineProperty(const char *name, cmProperty::ScopeType scope,
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const char *ShortDescription,
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const char *FullDescription,
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bool chain = false);
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// Is a property defined?
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bool IsPropertyDefined(const char *name, cmProperty::ScopeType scope);
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bool IsPropertyChained(const char *name, cmProperty::ScopeType scope);
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protected:
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cmPropertyMap Properties;
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cmPropertyDefinitionMap TargetProperties;
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cmPropertyDefinitionMap SourceFileProperties;
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cmPropertyDefinitionMap DirectoryProperties;
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cmPropertyDefinitionMap TestProperties;
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cmPropertyDefinitionMap GlobalProperties;
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typedef cmGlobalGenerator* (*CreateGeneratorFunctionType)();
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typedef std::map<cmStdString,
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CreateGeneratorFunctionType> RegisteredGeneratorsMap;
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RegisteredCommandsMap Commands;
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RegisteredGeneratorsMap Generators;
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void AddDefaultCommands();
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void AddDefaultGenerators();
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cmGlobalGenerator *GlobalGenerator;
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cmCacheManager *CacheManager;
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std::string cmHomeDirectory;
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std::string HomeOutputDirectory;
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std::string cmStartDirectory;
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std::string StartOutputDirectory;
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std::set<cmStdString> WrittenFiles;
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///! return true if the same cmake was used to make the cache.
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bool CacheVersionMatches();
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///! read in a cmake list file to initialize the cache
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void ReadListFile(const char *path);
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///! Check if CMAKE_CACHEFILE_DIR is set. If it is not, delete the log file.
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/// If it is set, truncate it to 50kb
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void TruncateOutputLog(const char* fname);
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/**
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* Method called to check build system integrity at build time.
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* Returns 1 if CMake should rerun and 0 otherwise.
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*/
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int CheckBuildSystem();
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void SetDirectoriesFromFile(const char* arg);
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//! Make sure all commands are what they say they are and there is no
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//macros.
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void CleanupCommandsAndMacros();
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void GenerateGraphViz(const char* fileName);
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static int ExecuteEchoColor(std::vector<std::string>& args);
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static int ExecuteLinkScript(std::vector<std::string>& args);
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cmVariableWatch* VariableWatch;
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private:
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ProgressCallbackType ProgressCallback;
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void* ProgressCallbackClientData;
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bool Verbose;
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bool InTryCompile;
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bool ScriptMode;
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bool DebugOutput;
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std::string CMakeCommand;
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std::string CXXEnvironment;
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std::string CCEnvironment;
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std::string CheckBuildSystemArgument;
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std::string CTestCommand;
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std::string CPackCommand;
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bool ClearBuildSystem;
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bool DebugTryCompile;
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cmFileTimeComparison* FileComparison;
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std::string GraphVizFile;
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void UpdateConversionPathTable();
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};
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#define CMAKE_STANDARD_OPTIONS_TABLE \
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{"-C <initial-cache>", "Pre-load a script to populate the cache.", \
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"When cmake is first run in an empty build tree, it creates a " \
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"CMakeCache.txt file and populates it with customizable settings " \
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"for the project. This option may be used to specify a file from " \
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"which to load cache entries before the first pass through " \
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"the project's cmake listfiles. The loaded entries take priority " \
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"over the project's default values. The given file should be a CMake " \
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"script containing SET commands that use the CACHE option, " \
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"not a cache-format file."}, \
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{"-D <var>:<type>=<value>", "Create a cmake cache entry.", \
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"When cmake is first run in an empty build tree, it creates a " \
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"CMakeCache.txt file and populates it with customizable settings " \
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"for the project. This option may be used to specify a setting " \
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"that takes priority over the project's default value. The option " \
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"may be repeated for as many cache entries as desired."}, \
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{"-G <generator-name>", "Specify a makefile generator.", \
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"CMake may support multiple native build systems on certain platforms. " \
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"A makefile generator is responsible for generating a particular build " \
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"system. Possible generator names are specified in the Generators " \
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"section."}
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#define CMAKE_STANDARD_INTRODUCTION \
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{0, \
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"CMake is a cross-platform build system generator. Projects " \
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"specify their build process with platform-independent CMake listfiles " \
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"included in each directory of a source tree with the name " \
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"CMakeLists.txt. " \
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"Users build a project by using CMake to generate a build system " \
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"for a native tool on their platform.", 0}
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#endif
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