diff options
Diffstat (limited to 'Source/cmake.h')
-rw-r--r-- | Source/cmake.h | 635 |
1 files changed, 635 insertions, 0 deletions
diff --git a/Source/cmake.h b/Source/cmake.h new file mode 100644 index 0000000..02c6cdb --- /dev/null +++ b/Source/cmake.h @@ -0,0 +1,635 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing for details. */ +#ifndef cmake_h +#define cmake_h + +#include "cmConfigure.h" // IWYU pragma: keep + +#include <map> +#include <set> +#include <string> +#include <unordered_set> +#include <vector> + +#include "cmInstalledFile.h" +#include "cmListFileCache.h" +#include "cmStateSnapshot.h" +#include "cmStateTypes.h" + +#if defined(CMAKE_BUILD_WITH_CMAKE) +#include "cm_jsoncpp_value.h" +#endif + +class cmExternalMakefileProjectGeneratorFactory; +class cmFileTimeComparison; +class cmGlobalGenerator; +class cmGlobalGeneratorFactory; +class cmMakefile; +class cmMessenger; +class cmState; +class cmVariableWatch; +struct cmDocumentationEntry; + +/** \brief Represents a cmake invocation. + * + * This class represents a cmake invocation. It is the top level class when + * running cmake. Most cmake based GUIs should primarily create an instance + * of this class and communicate with it. + * + * The basic process for a GUI is as follows: + * + * -# Create a cmake instance + * -# Set the Home directories, generator, and cmake command. this + * can be done using the Set methods or by using SetArgs and passing in + * command line arguments. + * -# Load the cache by calling LoadCache (duh) + * -# if you are using command line arguments with -D or -C flags then + * call SetCacheArgs (or if for some other reason you want to modify the + * cache), do it now. + * -# Finally call Configure + * -# Let the user change values and go back to step 5 + * -# call Generate + + * If your GUI allows the user to change the home directories then + * you must at a minimum redo steps 2 through 7. + */ + +class cmake +{ + CM_DISABLE_COPY(cmake) + +public: + enum Role + { + RoleInternal, // no commands + RoleScript, // script commands + RoleProject // all commands + }; + + enum MessageType + { + AUTHOR_WARNING, + AUTHOR_ERROR, + FATAL_ERROR, + INTERNAL_ERROR, + MESSAGE, + WARNING, + LOG, + DEPRECATION_ERROR, + DEPRECATION_WARNING + }; + + enum DiagLevel + { + DIAG_IGNORE, + DIAG_WARN, + DIAG_ERROR + }; + + /** \brief Describes the working modes of cmake */ + enum WorkingMode + { + NORMAL_MODE, ///< Cmake runs to create project files + /** \brief Script mode (started by using -P). + * + * In script mode there is no generator and no cache. Also, + * languages are not enabled, so add_executable and things do + * nothing. + */ + SCRIPT_MODE, + /** \brief A pkg-config like mode + * + * In this mode cmake just searches for a package and prints the results to + * stdout. This is similar to SCRIPT_MODE, but commands like add_library() + * work too, since they may be used e.g. in exported target files. Started + * via --find-package. + */ + FIND_PACKAGE_MODE + }; + + struct GeneratorInfo + { + std::string name; + std::string baseName; + std::string extraName; + bool supportsToolset; + bool supportsPlatform; + bool isAlias; + }; + + typedef std::map<std::string, cmInstalledFile> InstalledFilesMap; + + /// Default constructor + cmake(Role role); + /// Destructor + ~cmake(); + +#if defined(CMAKE_BUILD_WITH_CMAKE) + Json::Value ReportCapabilitiesJson(bool haveServerMode) const; +#endif + std::string ReportCapabilities(bool haveServerMode) const; + + static const char* GetCMakeFilesDirectory() { return "/CMakeFiles"; } + static const char* GetCMakeFilesDirectoryPostSlash() + { + return "CMakeFiles/"; + } + + //@{ + /** + * Set/Get the home directory (or output directory) in the project. The + * home directory is the top directory of the project. It is the + * path-to-source cmake was run with. + */ + void SetHomeDirectory(const std::string& dir); + const char* GetHomeDirectory() const; + void SetHomeOutputDirectory(const std::string& dir); + const char* GetHomeOutputDirectory() const; + //@} + + /** + * Handle a command line invocation of cmake. + */ + int Run(const std::vector<std::string>& args) + { + return this->Run(args, false); + } + int Run(const std::vector<std::string>& args, bool noconfigure); + + /** + * Run the global generator Generate step. + */ + int Generate(); + + /** + * Configure the cmMakefiles. This routine will create a GlobalGenerator if + * one has not already been set. It will then Call Configure on the + * GlobalGenerator. This in turn will read in an process all the CMakeList + * files for the tree. It will not produce any actual Makefiles, or + * workspaces. Generate does that. */ + int Configure(); + int ActualConfigure(); + + ///! Break up a line like VAR:type="value" into var, type and value + static bool ParseCacheEntry(const std::string& entry, std::string& var, + std::string& value, + cmStateEnums::CacheEntryType& type); + + int LoadCache(); + bool LoadCache(const std::string& path); + bool LoadCache(const std::string& path, bool internal, + std::set<std::string>& excludes, + std::set<std::string>& includes); + bool SaveCache(const std::string& path); + bool DeleteCache(const std::string& path); + void PreLoadCMakeFiles(); + + ///! Create a GlobalGenerator + cmGlobalGenerator* CreateGlobalGenerator(const std::string& name); + + ///! Return the global generator assigned to this instance of cmake + cmGlobalGenerator* GetGlobalGenerator() { return this->GlobalGenerator; } + ///! Return the global generator assigned to this instance of cmake, const + const cmGlobalGenerator* GetGlobalGenerator() const + { + return this->GlobalGenerator; + } + + ///! Return the full path to where the CMakeCache.txt file should be. + static std::string FindCacheFile(const std::string& binaryDir); + + ///! Return the global generator assigned to this instance of cmake + void SetGlobalGenerator(cmGlobalGenerator*); + + ///! Get the names of the current registered generators + void GetRegisteredGenerators(std::vector<GeneratorInfo>& generators) const; + + ///! Set the name of the selected generator-specific instance. + void SetGeneratorInstance(std::string const& instance) + { + this->GeneratorInstance = instance; + } + + ///! Set the name of the selected generator-specific platform. + void SetGeneratorPlatform(std::string const& ts) + { + this->GeneratorPlatform = ts; + } + + ///! Set the name of the selected generator-specific toolset. + void SetGeneratorToolset(std::string const& ts) + { + this->GeneratorToolset = ts; + } + + const std::vector<std::string>& GetSourceExtensions() const + { + return this->SourceFileExtensions; + } + + bool IsSourceExtension(const std::string& ext) const + { + return this->SourceFileExtensionsSet.find(ext) != + this->SourceFileExtensionsSet.end(); + } + + const std::vector<std::string>& GetHeaderExtensions() const + { + return this->HeaderFileExtensions; + } + + bool IsHeaderExtension(const std::string& ext) const + { + return this->HeaderFileExtensionsSet.find(ext) != + this->HeaderFileExtensionsSet.end(); + } + + // Strips the extension (if present and known) from a filename + std::string StripExtension(const std::string& file) const; + + /** + * Given a variable name, return its value (as a string). + */ + const char* GetCacheDefinition(const std::string&) const; + ///! Add an entry into the cache + void AddCacheEntry(const std::string& key, const char* value, + const char* helpString, int type); + + /** + * Get the system information and write it to the file specified + */ + int GetSystemInformation(std::vector<std::string>&); + + ///! Parse command line arguments + void SetArgs(const std::vector<std::string>&, + bool directoriesSetBefore = false); + + ///! Is this cmake running as a result of a TRY_COMPILE command + bool GetIsInTryCompile() const; + void SetIsInTryCompile(bool b); + + ///! Parse command line arguments that might set cache values + bool SetCacheArgs(const std::vector<std::string>&); + + typedef void (*ProgressCallbackType)(const char* msg, float progress, void*); + /** + * Set the function used by GUIs to receive progress updates + * Function gets passed: message as a const char*, a progress + * amount ranging from 0 to 1.0 and client data. The progress + * number provided may be negative in cases where a message is + * to be displayed without any progress percentage. + */ + void SetProgressCallback(ProgressCallbackType f, void* clientData = nullptr); + + ///! this is called by generators to update the progress + void UpdateProgress(const char* msg, float prog); + + ///! Get the variable watch object + cmVariableWatch* GetVariableWatch() { return this->VariableWatch; } + + void GetGeneratorDocumentation(std::vector<cmDocumentationEntry>&); + + ///! Set/Get a property of this target file + void SetProperty(const std::string& prop, const char* value); + void AppendProperty(const std::string& prop, const char* value, + bool asString = false); + const char* GetProperty(const std::string& prop); + bool GetPropertyAsBool(const std::string& prop); + + ///! Get or create an cmInstalledFile instance and return a pointer to it + cmInstalledFile* GetOrCreateInstalledFile(cmMakefile* mf, + const std::string& name); + + cmInstalledFile const* GetInstalledFile(const std::string& name) const; + + InstalledFilesMap const& GetInstalledFiles() const + { + return this->InstalledFiles; + } + + ///! Do all the checks before running configure + int DoPreConfigureChecks(); + + void SetWorkingMode(WorkingMode mode) { this->CurrentWorkingMode = mode; } + WorkingMode GetWorkingMode() { return this->CurrentWorkingMode; } + + ///! Debug the try compile stuff by not deleting the files + bool GetDebugTryCompile() { return this->DebugTryCompile; } + void DebugTryCompileOn() { this->DebugTryCompile = true; } + + /** + * Generate CMAKE_ROOT and CMAKE_COMMAND cache entries + */ + int AddCMakePaths(); + + /** + * Get the file comparison class + */ + cmFileTimeComparison* GetFileComparison() { return this->FileComparison; } + + // Do we want debug output during the cmake run. + bool GetDebugOutput() { return this->DebugOutput; } + void SetDebugOutputOn(bool b) { this->DebugOutput = b; } + + // Do we want trace output during the cmake run. + bool GetTrace() { return this->Trace; } + void SetTrace(bool b) { this->Trace = b; } + bool GetTraceExpand() { return this->TraceExpand; } + void SetTraceExpand(bool b) { this->TraceExpand = b; } + void AddTraceSource(std::string const& file) + { + this->TraceOnlyThisSources.push_back(file); + } + std::vector<std::string> const& GetTraceSources() const + { + return this->TraceOnlyThisSources; + } + bool GetWarnUninitialized() { return this->WarnUninitialized; } + void SetWarnUninitialized(bool b) { this->WarnUninitialized = b; } + bool GetWarnUnused() { return this->WarnUnused; } + void SetWarnUnused(bool b) { this->WarnUnused = b; } + bool GetWarnUnusedCli() { return this->WarnUnusedCli; } + void SetWarnUnusedCli(bool b) { this->WarnUnusedCli = b; } + bool GetCheckSystemVars() { return this->CheckSystemVars; } + void SetCheckSystemVars(bool b) { this->CheckSystemVars = b; } + + void MarkCliAsUsed(const std::string& variable); + + /** Get the list of configurations (in upper case) considered to be + debugging configurations.*/ + std::vector<std::string> GetDebugConfigs(); + + void SetCMakeEditCommand(std::string const& s) + { + this->CMakeEditCommand = s; + } + std::string const& GetCMakeEditCommand() const + { + return this->CMakeEditCommand; + } + + cmMessenger* GetMessenger() const; + + /* + * Get the state of the suppression of developer (author) warnings. + * Returns false, by default, if developer warnings should be shown, true + * otherwise. + */ + bool GetSuppressDevWarnings() const; + /* + * Set the state of the suppression of developer (author) warnings. + */ + void SetSuppressDevWarnings(bool v); + + /* + * Get the state of the suppression of deprecated warnings. + * Returns false, by default, if deprecated warnings should be shown, true + * otherwise. + */ + bool GetSuppressDeprecatedWarnings() const; + /* + * Set the state of the suppression of deprecated warnings. + */ + void SetSuppressDeprecatedWarnings(bool v); + + /* + * Get the state of treating developer (author) warnings as errors. + * Returns false, by default, if warnings should not be treated as errors, + * true otherwise. + */ + bool GetDevWarningsAsErrors() const; + /** + * Set the state of treating developer (author) warnings as errors. + */ + void SetDevWarningsAsErrors(bool v); + + /* + * Get the state of treating deprecated warnings as errors. + * Returns false, by default, if warnings should not be treated as errors, + * true otherwise. + */ + bool GetDeprecatedWarningsAsErrors() const; + /** + * Set the state of treating developer (author) warnings as errors. + */ + void SetDeprecatedWarningsAsErrors(bool v); + + /** Display a message to the user. */ + void IssueMessage( + cmake::MessageType t, std::string const& text, + cmListFileBacktrace const& backtrace = cmListFileBacktrace()) const; + + ///! run the --build option + int Build(const std::string& dir, const std::string& target, + const std::string& config, + const std::vector<std::string>& nativeOptions, bool clean); + + ///! run the --open option + bool Open(const std::string& dir, bool dryRun); + + void UnwatchUnusedCli(const std::string& var); + void WatchUnusedCli(const std::string& var); + + cmState* GetState() const { return this->State; } + void SetCurrentSnapshot(cmStateSnapshot const& snapshot) + { + this->CurrentSnapshot = snapshot; + } + cmStateSnapshot GetCurrentSnapshot() const { return this->CurrentSnapshot; } + +protected: + void RunCheckForUnusedVariables(); + void InitializeProperties(); + int HandleDeleteCacheVariables(const std::string& var); + + typedef std::vector<cmGlobalGeneratorFactory*> RegisteredGeneratorsVector; + RegisteredGeneratorsVector Generators; + typedef std::vector<cmExternalMakefileProjectGeneratorFactory*> + RegisteredExtraGeneratorsVector; + RegisteredExtraGeneratorsVector ExtraGenerators; + void AddScriptingCommands(); + void AddProjectCommands(); + void AddDefaultGenerators(); + void AddDefaultExtraGenerators(); + + cmGlobalGenerator* GlobalGenerator; + std::map<std::string, DiagLevel> DiagLevels; + std::string GeneratorInstance; + std::string GeneratorPlatform; + std::string GeneratorToolset; + + ///! read in a cmake list file to initialize the cache + void ReadListFile(const std::vector<std::string>& args, const char* path); + bool FindPackage(const std::vector<std::string>& args); + + ///! Check if CMAKE_CACHEFILE_DIR is set. If it is not, delete the log file. + /// If it is set, truncate it to 50kb + void TruncateOutputLog(const char* fname); + + /** + * Method called to check build system integrity at build time. + * Returns 1 if CMake should rerun and 0 otherwise. + */ + int CheckBuildSystem(); + + void SetDirectoriesFromFile(const char* arg); + + //! Make sure all commands are what they say they are and there is no + /// macros. + void CleanupCommandsAndMacros(); + + void GenerateGraphViz(const char* fileName) const; + + cmVariableWatch* VariableWatch; + +private: + ProgressCallbackType ProgressCallback; + void* ProgressCallbackClientData; + bool InTryCompile; + WorkingMode CurrentWorkingMode; + bool DebugOutput; + bool Trace; + bool TraceExpand; + bool WarnUninitialized; + bool WarnUnused; + bool WarnUnusedCli; + bool CheckSystemVars; + std::map<std::string, bool> UsedCliVariables; + std::string CMakeEditCommand; + std::string CXXEnvironment; + std::string CCEnvironment; + std::string CheckBuildSystemArgument; + std::string CheckStampFile; + std::string CheckStampList; + std::string VSSolutionFile; + std::vector<std::string> SourceFileExtensions; + std::unordered_set<std::string> SourceFileExtensionsSet; + std::vector<std::string> HeaderFileExtensions; + std::unordered_set<std::string> HeaderFileExtensionsSet; + bool ClearBuildSystem; + bool DebugTryCompile; + cmFileTimeComparison* FileComparison; + std::string GraphVizFile; + InstalledFilesMap InstalledFiles; + + cmState* State; + cmStateSnapshot CurrentSnapshot; + cmMessenger* Messenger; + + std::vector<std::string> TraceOnlyThisSources; + + void UpdateConversionPathTable(); + + // Print a list of valid generators to stderr. + void PrintGeneratorList(); + + void CreateDefaultGlobalGenerator(); + + /** + * Convert a message type between a warning and an error, based on the state + * of the error output CMake variables, in the cache. + */ + cmake::MessageType ConvertMessageType(cmake::MessageType t) const; + + /* + * Check if messages of this type should be output, based on the state of the + * warning and error output CMake variables, in the cache. + */ + bool IsMessageTypeVisible(cmake::MessageType t) const; +}; + +#define CMAKE_STANDARD_OPTIONS_TABLE \ + { "-C <initial-cache>", "Pre-load a script to populate the cache." }, \ + { "-D <var>[:<type>]=<value>", "Create a cmake cache entry." }, \ + { "-U <globbing_expr>", "Remove matching entries from CMake cache." }, \ + { "-G <generator-name>", "Specify a build system generator." }, \ + { "-T <toolset-name>", \ + "Specify toolset name if supported by generator." }, \ + { "-A <platform-name>", \ + "Specify platform name if supported by generator." }, \ + { "-Wdev", "Enable developer warnings." }, \ + { "-Wno-dev", "Suppress developer warnings." }, \ + { "-Werror=dev", "Make developer warnings errors." }, \ + { "-Wno-error=dev", "Make developer warnings not errors." }, \ + { "-Wdeprecated", "Enable deprecation warnings." }, \ + { "-Wno-deprecated", "Suppress deprecation warnings." }, \ + { "-Werror=deprecated", "Make deprecated macro and function warnings " \ + "errors." }, \ + { \ + "-Wno-error=deprecated", "Make deprecated macro and function warnings " \ + "not errors." \ + } + +#define FOR_EACH_C_FEATURE(F) \ + F(c_std_90) \ + F(c_std_99) \ + F(c_std_11) \ + F(c_function_prototypes) \ + F(c_restrict) \ + F(c_static_assert) \ + F(c_variadic_macros) + +#define FOR_EACH_CXX_FEATURE(F) \ + F(cxx_std_98) \ + F(cxx_std_11) \ + F(cxx_std_14) \ + F(cxx_std_17) \ + F(cxx_aggregate_default_initializers) \ + F(cxx_alias_templates) \ + F(cxx_alignas) \ + F(cxx_alignof) \ + F(cxx_attributes) \ + F(cxx_attribute_deprecated) \ + F(cxx_auto_type) \ + F(cxx_binary_literals) \ + F(cxx_constexpr) \ + F(cxx_contextual_conversions) \ + F(cxx_decltype) \ + F(cxx_decltype_auto) \ + F(cxx_decltype_incomplete_return_types) \ + F(cxx_default_function_template_args) \ + F(cxx_defaulted_functions) \ + F(cxx_defaulted_move_initializers) \ + F(cxx_delegating_constructors) \ + F(cxx_deleted_functions) \ + F(cxx_digit_separators) \ + F(cxx_enum_forward_declarations) \ + F(cxx_explicit_conversions) \ + F(cxx_extended_friend_declarations) \ + F(cxx_extern_templates) \ + F(cxx_final) \ + F(cxx_func_identifier) \ + F(cxx_generalized_initializers) \ + F(cxx_generic_lambdas) \ + F(cxx_inheriting_constructors) \ + F(cxx_inline_namespaces) \ + F(cxx_lambdas) \ + F(cxx_lambda_init_captures) \ + F(cxx_local_type_template_args) \ + F(cxx_long_long_type) \ + F(cxx_noexcept) \ + F(cxx_nonstatic_member_init) \ + F(cxx_nullptr) \ + F(cxx_override) \ + F(cxx_range_for) \ + F(cxx_raw_string_literals) \ + F(cxx_reference_qualified_functions) \ + F(cxx_relaxed_constexpr) \ + F(cxx_return_type_deduction) \ + F(cxx_right_angle_brackets) \ + F(cxx_rvalue_references) \ + F(cxx_sizeof_member) \ + F(cxx_static_assert) \ + F(cxx_strong_enums) \ + F(cxx_template_template_parameters) \ + F(cxx_thread_local) \ + F(cxx_trailing_return_types) \ + F(cxx_unicode_literals) \ + F(cxx_uniform_initialization) \ + F(cxx_unrestricted_unions) \ + F(cxx_user_literals) \ + F(cxx_variable_templates) \ + F(cxx_variadic_macros) \ + F(cxx_variadic_templates) + +#endif |