CMake/Source/cmake.h

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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.
============================================================================*/
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#ifndef cmake_h
#define cmake_h
#include <cmConfigure.h>
#include "cmInstalledFile.h"
#include "cmListFileCache.h"
#include "cmState.h"
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#include <map>
#include <set>
#include <string>
#include <vector>
#if defined(CMAKE_BUILD_WITH_CMAKE)
#include "cm_jsoncpp_value.h"
#endif
class cmExternalMakefileProjectGeneratorFactory;
class cmFileTimeComparison;
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class cmGlobalGenerator;
class cmGlobalGeneratorFactory;
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class cmMakefile;
class cmMessenger;
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class cmVariableWatch;
struct cmDocumentationEntry;
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/** \brief Represents a cmake invocation.
*
* 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
* 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.
*/
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class cmake
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{
public:
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enum MessageType
{
AUTHOR_WARNING,
AUTHOR_ERROR,
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FATAL_ERROR,
INTERNAL_ERROR,
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MESSAGE,
WARNING,
LOG,
DEPRECATION_ERROR,
DEPRECATION_WARNING
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};
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
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cmake();
/// Destructor
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~cmake();
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#if defined(CMAKE_BUILD_WITH_CMAKE)
Json::Value ReportCapabilitiesJson() const;
#endif
std::string ReportCapabilities() const;
static const char* GetCMakeFilesDirectory() { return "/CMakeFiles"; }
static const char* GetCMakeFilesDirectoryPostSlash()
{
return "CMakeFiles/";
}
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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 the
* path-to-source cmake was run with.
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*/
void SetHomeDirectory(const std::string& dir);
const char* GetHomeDirectory() const;
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void SetHomeOutputDirectory(const std::string& dir);
const char* GetHomeOutputDirectory() const;
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//@}
/**
* 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);
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/**
* Run the global generator Generate step.
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*/
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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. */
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int Configure();
int ActualConfigure();
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///! 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,
cmState::CacheEntryType& type);
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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();
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///! Create a GlobalGenerator
cmGlobalGenerator* CreateGlobalGenerator(const std::string& name);
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///! 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;
}
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///! Return the full path to where the CMakeCache.txt file should be.
std::string FindCacheFile(const std::string& binaryDir) const;
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///! Return the global generator assigned to this instance of cmake
void SetGlobalGenerator(cmGlobalGenerator*);
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///! Get the names of the current registered generators
void GetRegisteredGenerators(std::vector<GeneratorInfo>& generators) const;
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///! Set the name of the selected generator-specific platform.
void SetGeneratorPlatform(std::string const& ts)
{
this->GeneratorPlatform = ts;
}
///! Get the name of the selected generator-specific platform.
std::string const& GetGeneratorPlatform() const
{
return this->GeneratorPlatform;
}
///! Set the name of the selected generator-specific toolset.
void SetGeneratorToolset(std::string const& ts)
{
this->GeneratorToolset = ts;
}
///! Get the name of the selected generator-specific toolset.
std::string const& GetGeneratorToolset() const
{
return this->GeneratorToolset;
}
const std::vector<std::string>& GetSourceExtensions() const
{
return this->SourceFileExtensions;
}
const std::vector<std::string>& GetHeaderExtensions() const
{
return this->HeaderFileExtensions;
}
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/**
* Given a variable name, return its value (as a string).
*/
const char* GetCacheDefinition(const std::string&) const;
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///! Add an entry into the cache
void AddCacheEntry(const std::string& key, const char* value,
const char* helpString, int type);
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/**
* Get the system information and write it to the file specified
*/
int GetSystemInformation(std::vector<std::string>&);
///! Parse command line arguments
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void SetArgs(const std::vector<std::string>&,
bool directoriesSetBefore = false);
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///! Is this cmake running as a result of a TRY_COMPILE command
bool GetIsInTryCompile() const;
void SetIsInTryCompile(bool b);
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///! Parse command line arguments that might set cache values
bool SetCacheArgs(const std::vector<std::string>&);
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typedef void (*ProgressCallbackType)(const char* msg, float progress, void*);
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/**
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* Set the function used by GUIs to receive progress updates
* 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
* 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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void SetProgressCallback(ProgressCallbackType f,
void* clientData = CM_NULLPTR);
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///! this is called by generators to update the progress
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 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; }
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///! Debug the try compile stuff by not deleting the files
bool GetDebugTryCompile() { return this->DebugTryCompile; }
void DebugTryCompileOn() { this->DebugTryCompile = true; }
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/**
* Generate CMAKE_ROOT and CMAKE_COMMAND cache entries
*/
int AddCMakePaths();
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/**
* Get the file comparison class
*/
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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; }
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// 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;
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///! 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);
void UnwatchUnusedCli(const std::string& var);
void WatchUnusedCli(const std::string& var);
cmState* GetState() const { return this->State; }
void SetCurrentSnapshot(cmState::Snapshot snapshot)
{
this->CurrentSnapshot = snapshot;
}
cmState::Snapshot 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;
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void AddDefaultCommands();
void AddDefaultGenerators();
void AddDefaultExtraGenerators();
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cmGlobalGenerator* GlobalGenerator;
std::map<std::string, DiagLevel> DiagLevels;
std::string GeneratorPlatform;
std::string GeneratorToolset;
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///! 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);
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//! Make sure all commands are what they say they are and there is no
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/// macros.
void CleanupCommandsAndMacros();
void GenerateGraphViz(const char* fileName) const;
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cmVariableWatch* VariableWatch;
private:
cmake(const cmake&); // Not implemented.
void operator=(const cmake&); // Not implemented.
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ProgressCallbackType ProgressCallback;
void* ProgressCallbackClientData;
bool InTryCompile;
WorkingMode CurrentWorkingMode;
bool DebugOutput;
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bool Trace;
bool TraceExpand;
bool WarnUninitialized;
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bool WarnUnused;
bool WarnUnusedCli;
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bool CheckSystemVars;
std::map<std::string, bool> UsedCliVariables;
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std::string CMakeEditCommand;
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std::string CXXEnvironment;
std::string CCEnvironment;
std::string CheckBuildSystemArgument;
std::string CheckStampFile;
std::string CheckStampList;
std::string VSSolutionFile;
std::vector<std::string> SourceFileExtensions;
std::vector<std::string> HeaderFileExtensions;
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bool ClearBuildSystem;
bool DebugTryCompile;
cmFileTimeComparison* FileComparison;
std::string GraphVizFile;
InstalledFilesMap InstalledFiles;
cmState* State;
cmState::Snapshot CurrentSnapshot;
cmMessenger* Messenger;
std::vector<std::string> TraceOnlyThisSources;
void UpdateConversionPathTable();
// Print a list of valid generators to stderr.
void PrintGeneratorList();
/**
* Convert a message type between a warning and an error, based on the state
* of the error output CMake variables, in the cache.
*/
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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.
*/
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bool IsMessageTypeVisible(cmake::MessageType t) const;
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};
#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_function_prototypes) \
F(c_restrict) \
F(c_static_assert) \
F(c_variadic_macros)
#define FOR_EACH_CXX_FEATURE(F) \
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)
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#endif