mirror of
https://github.com/reactos/CMake.git
synced 2024-12-12 13:56:00 +00:00
ed98209ddc
Run the `clang-format.bash` script to update our C and C++ code to a new include order `.clang-format`. Use `clang-format` version 6.0.
466 lines
17 KiB
C++
466 lines
17 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#ifndef cmSystemTools_h
|
|
#define cmSystemTools_h
|
|
|
|
#include "cmConfigure.h" // IWYU pragma: keep
|
|
|
|
#include <cstddef>
|
|
#include <functional>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <cm/string_view>
|
|
|
|
#include "cmsys/Process.h"
|
|
#include "cmsys/SystemTools.hxx" // IWYU pragma: export
|
|
|
|
#include "cmCryptoHash.h"
|
|
#include "cmDuration.h"
|
|
#include "cmProcessOutput.h"
|
|
|
|
/** \class cmSystemTools
|
|
* \brief A collection of useful functions for CMake.
|
|
*
|
|
* cmSystemTools is a class that provides helper functions
|
|
* for the CMake build system.
|
|
*/
|
|
class cmSystemTools : public cmsys::SystemTools
|
|
{
|
|
public:
|
|
using Superclass = cmsys::SystemTools;
|
|
using Encoding = cmProcessOutput::Encoding;
|
|
|
|
/**
|
|
* Look for and replace registry values in a string
|
|
*/
|
|
static void ExpandRegistryValues(std::string& source,
|
|
KeyWOW64 view = KeyWOW64_Default);
|
|
|
|
/** Map help document name to file name. */
|
|
static std::string HelpFileName(cm::string_view);
|
|
|
|
using MessageCallback = std::function<void(const std::string&, const char*)>;
|
|
/**
|
|
* Set the function used by GUIs to display error messages
|
|
* Function gets passed: message as a const char*,
|
|
* title as a const char*.
|
|
*/
|
|
static void SetMessageCallback(MessageCallback f);
|
|
|
|
/**
|
|
* Display an error message.
|
|
*/
|
|
static void Error(const std::string& m);
|
|
|
|
/**
|
|
* Display a message.
|
|
*/
|
|
static void Message(const std::string& m, const char* title = nullptr);
|
|
|
|
using OutputCallback = std::function<void(std::string const&)>;
|
|
|
|
//! Send a string to stdout
|
|
static void Stdout(const std::string& s);
|
|
static void SetStdoutCallback(OutputCallback f);
|
|
|
|
//! Send a string to stderr
|
|
static void Stderr(const std::string& s);
|
|
static void SetStderrCallback(OutputCallback f);
|
|
|
|
using InterruptCallback = std::function<bool()>;
|
|
static void SetInterruptCallback(InterruptCallback f);
|
|
static bool GetInterruptFlag();
|
|
|
|
//! Return true if there was an error at any point.
|
|
static bool GetErrorOccuredFlag()
|
|
{
|
|
return cmSystemTools::s_ErrorOccured ||
|
|
cmSystemTools::s_FatalErrorOccured || GetInterruptFlag();
|
|
}
|
|
//! If this is set to true, cmake stops processing commands.
|
|
static void SetFatalErrorOccured()
|
|
{
|
|
cmSystemTools::s_FatalErrorOccured = true;
|
|
}
|
|
static void SetErrorOccured() { cmSystemTools::s_ErrorOccured = true; }
|
|
//! Return true if there was an error at any point.
|
|
static bool GetFatalErrorOccured()
|
|
{
|
|
return cmSystemTools::s_FatalErrorOccured || GetInterruptFlag();
|
|
}
|
|
|
|
//! Set the error occurred flag and fatal error back to false
|
|
static void ResetErrorOccuredFlag()
|
|
{
|
|
cmSystemTools::s_FatalErrorOccured = false;
|
|
cmSystemTools::s_ErrorOccured = false;
|
|
}
|
|
|
|
//! Return true if the path is a framework
|
|
static bool IsPathToFramework(const std::string& value);
|
|
|
|
static bool DoesFileExistWithExtensions(
|
|
const std::string& name, const std::vector<std::string>& sourceExts);
|
|
|
|
/**
|
|
* Check if the given file exists in one of the parent directory of the
|
|
* given file or directory and if it does, return the name of the file.
|
|
* Toplevel specifies the top-most directory to where it will look.
|
|
*/
|
|
static std::string FileExistsInParentDirectories(
|
|
const std::string& fname, const std::string& directory,
|
|
const std::string& toplevel);
|
|
|
|
static void Glob(const std::string& directory, const std::string& regexp,
|
|
std::vector<std::string>& files);
|
|
static void GlobDirs(const std::string& fullPath,
|
|
std::vector<std::string>& files);
|
|
|
|
/**
|
|
* Try to find a list of files that match the "simple" globbing
|
|
* expression. At this point in time the globbing expressions have
|
|
* to be in form: /directory/partial_file_name*. The * character has
|
|
* to be at the end of the string and it does not support ?
|
|
* []... The optional argument type specifies what kind of files you
|
|
* want to find. 0 means all files, -1 means directories, 1 means
|
|
* files only. This method returns true if search was successful.
|
|
*/
|
|
static bool SimpleGlob(const std::string& glob,
|
|
std::vector<std::string>& files, int type = 0);
|
|
|
|
/** Rename a file or directory within a single disk volume (atomic
|
|
if possible). */
|
|
static bool RenameFile(const std::string& oldname,
|
|
const std::string& newname);
|
|
|
|
//! Rename a file if contents are different, delete the source otherwise
|
|
static void MoveFileIfDifferent(const std::string& source,
|
|
const std::string& destination);
|
|
|
|
//! Compute the hash of a file
|
|
static std::string ComputeFileHash(const std::string& source,
|
|
cmCryptoHash::Algo algo);
|
|
|
|
/** Compute the md5sum of a string. */
|
|
static std::string ComputeStringMD5(const std::string& input);
|
|
|
|
//! Get the SHA thumbprint for a certificate file
|
|
static std::string ComputeCertificateThumbprint(const std::string& source);
|
|
|
|
/**
|
|
* Run a single executable command
|
|
*
|
|
* Output is controlled with outputflag. If outputflag is OUTPUT_NONE, no
|
|
* user-viewable output from the program being run will be generated.
|
|
* OUTPUT_MERGE is the legacy behaviour where stdout and stderr are merged
|
|
* into stdout. OUTPUT_FORWARD copies the output to stdout/stderr as
|
|
* it was received. OUTPUT_PASSTHROUGH passes through the original handles.
|
|
*
|
|
* If timeout is specified, the command will be terminated after
|
|
* timeout expires. Timeout is specified in seconds.
|
|
*
|
|
* Argument retVal should be a pointer to the location where the
|
|
* exit code will be stored. If the retVal is not specified and
|
|
* the program exits with a code other than 0, then the this
|
|
* function will return false.
|
|
*
|
|
* If the command has spaces in the path the caller MUST call
|
|
* cmSystemTools::ConvertToRunCommandPath on the command before passing
|
|
* it into this function or it will not work. The command must be correctly
|
|
* escaped for this to with spaces.
|
|
*/
|
|
enum OutputOption
|
|
{
|
|
OUTPUT_NONE = 0,
|
|
OUTPUT_MERGE,
|
|
OUTPUT_FORWARD,
|
|
OUTPUT_PASSTHROUGH
|
|
};
|
|
static bool RunSingleCommand(const std::string& command,
|
|
std::string* captureStdOut = nullptr,
|
|
std::string* captureStdErr = nullptr,
|
|
int* retVal = nullptr,
|
|
const char* dir = nullptr,
|
|
OutputOption outputflag = OUTPUT_MERGE,
|
|
cmDuration timeout = cmDuration::zero());
|
|
/**
|
|
* In this version of RunSingleCommand, command[0] should be
|
|
* the command to run, and each argument to the command should
|
|
* be in command[1]...command[command.size()]
|
|
*/
|
|
static bool RunSingleCommand(std::vector<std::string> const& command,
|
|
std::string* captureStdOut = nullptr,
|
|
std::string* captureStdErr = nullptr,
|
|
int* retVal = nullptr,
|
|
const char* dir = nullptr,
|
|
OutputOption outputflag = OUTPUT_MERGE,
|
|
cmDuration timeout = cmDuration::zero(),
|
|
Encoding encoding = cmProcessOutput::Auto);
|
|
|
|
static std::string PrintSingleCommand(std::vector<std::string> const&);
|
|
|
|
/**
|
|
* Parse arguments out of a single string command
|
|
*/
|
|
static std::vector<std::string> ParseArguments(const std::string& command);
|
|
|
|
/** Parse arguments out of a windows command line string. */
|
|
static void ParseWindowsCommandLine(const char* command,
|
|
std::vector<std::string>& args);
|
|
|
|
/** Parse arguments out of a unix command line string. */
|
|
static void ParseUnixCommandLine(const char* command,
|
|
std::vector<std::string>& args);
|
|
|
|
/** Split a command-line string into the parsed command and the unparsed
|
|
arguments. Returns false on unfinished quoting or escaping. */
|
|
static bool SplitProgramFromArgs(std::string const& command,
|
|
std::string& program, std::string& args);
|
|
|
|
/**
|
|
* Handle response file in an argument list and return a new argument list
|
|
* **/
|
|
static std::vector<std::string> HandleResponseFile(
|
|
std::vector<std::string>::const_iterator argBeg,
|
|
std::vector<std::string>::const_iterator argEnd);
|
|
|
|
static size_t CalculateCommandLineLengthLimit();
|
|
|
|
static void DisableRunCommandOutput() { s_DisableRunCommandOutput = true; }
|
|
static void EnableRunCommandOutput() { s_DisableRunCommandOutput = false; }
|
|
static bool GetRunCommandOutput() { return s_DisableRunCommandOutput; }
|
|
|
|
enum CompareOp
|
|
{
|
|
OP_EQUAL = 1,
|
|
OP_LESS = 2,
|
|
OP_GREATER = 4,
|
|
OP_LESS_EQUAL = OP_LESS | OP_EQUAL,
|
|
OP_GREATER_EQUAL = OP_GREATER | OP_EQUAL
|
|
};
|
|
|
|
/**
|
|
* Compare versions
|
|
*/
|
|
static bool VersionCompare(CompareOp op, const char* lhs, const char* rhs);
|
|
static bool VersionCompareEqual(std::string const& lhs,
|
|
std::string const& rhs);
|
|
static bool VersionCompareGreater(std::string const& lhs,
|
|
std::string const& rhs);
|
|
static bool VersionCompareGreaterEq(std::string const& lhs,
|
|
std::string const& rhs);
|
|
|
|
/**
|
|
* Compare two ASCII strings using natural versioning order.
|
|
* Non-numerical characters are compared directly.
|
|
* Numerical characters are first globbed such that, e.g.
|
|
* `test000 < test01 < test0 < test1 < test10`.
|
|
* Return a value less than, equal to, or greater than zero if lhs
|
|
* precedes, equals, or succeeds rhs in the defined ordering.
|
|
*/
|
|
static int strverscmp(std::string const& lhs, std::string const& rhs);
|
|
|
|
/** Windows if this is true, the CreateProcess in RunCommand will
|
|
* not show new console windows when running programs.
|
|
*/
|
|
static void SetRunCommandHideConsole(bool v) { s_RunCommandHideConsole = v; }
|
|
static bool GetRunCommandHideConsole() { return s_RunCommandHideConsole; }
|
|
/** Call cmSystemTools::Error with the message m, plus the
|
|
* result of strerror(errno)
|
|
*/
|
|
static void ReportLastSystemError(const char* m);
|
|
|
|
/** a general output handler for cmsysProcess */
|
|
static int WaitForLine(cmsysProcess* process, std::string& line,
|
|
cmDuration timeout, std::vector<char>& out,
|
|
std::vector<char>& err);
|
|
|
|
static void SetForceUnixPaths(bool v) { s_ForceUnixPaths = v; }
|
|
static bool GetForceUnixPaths() { return s_ForceUnixPaths; }
|
|
|
|
// ConvertToOutputPath use s_ForceUnixPaths
|
|
static std::string ConvertToOutputPath(std::string const& path);
|
|
static void ConvertToOutputSlashes(std::string& path);
|
|
|
|
// ConvertToRunCommandPath does not use s_ForceUnixPaths and should
|
|
// be used when RunCommand is called from cmake, because the
|
|
// running cmake needs paths to be in its format
|
|
static std::string ConvertToRunCommandPath(const std::string& path);
|
|
|
|
/** compute the relative path from local to remote. local must
|
|
be a directory. remote can be a file or a directory.
|
|
Both remote and local must be full paths. Basically, if
|
|
you are in directory local and you want to access the file in remote
|
|
what is the relative path to do that. For example:
|
|
/a/b/c/d to /a/b/c1/d1 -> ../../c1/d1
|
|
from /usr/src to /usr/src/test/blah/foo.cpp -> test/blah/foo.cpp
|
|
*/
|
|
static std::string RelativePath(std::string const& local,
|
|
std::string const& remote);
|
|
|
|
/**
|
|
* Convert the given remote path to a relative path with respect to
|
|
* the given local path. Both paths must use forward slashes and not
|
|
* already be escaped or quoted.
|
|
*/
|
|
static std::string ForceToRelativePath(std::string const& local_path,
|
|
std::string const& remote_path);
|
|
|
|
#ifndef CMAKE_BOOTSTRAP
|
|
/** Remove an environment variable */
|
|
static bool UnsetEnv(const char* value);
|
|
|
|
/** Get the list of all environment variables */
|
|
static std::vector<std::string> GetEnvironmentVariables();
|
|
|
|
/** Append multiple variables to the current environment. */
|
|
static void AppendEnv(std::vector<std::string> const& env);
|
|
|
|
/** Helper class to save and restore the environment.
|
|
Instantiate this class as an automatic variable on
|
|
the stack. Its constructor saves a copy of the current
|
|
environment and then its destructor restores the
|
|
original environment. */
|
|
class SaveRestoreEnvironment
|
|
{
|
|
public:
|
|
SaveRestoreEnvironment();
|
|
~SaveRestoreEnvironment();
|
|
|
|
SaveRestoreEnvironment(SaveRestoreEnvironment const&) = delete;
|
|
SaveRestoreEnvironment& operator=(SaveRestoreEnvironment const&) = delete;
|
|
|
|
private:
|
|
std::vector<std::string> Env;
|
|
};
|
|
#endif
|
|
|
|
/** Setup the environment to enable VS 8 IDE output. */
|
|
static void EnableVSConsoleOutput();
|
|
|
|
enum cmTarAction
|
|
{
|
|
TarActionCreate,
|
|
TarActionList,
|
|
TarActionExtract,
|
|
TarActionNone
|
|
};
|
|
|
|
/** Create tar */
|
|
enum cmTarCompression
|
|
{
|
|
TarCompressGZip,
|
|
TarCompressBZip2,
|
|
TarCompressXZ,
|
|
TarCompressZstd,
|
|
TarCompressNone
|
|
};
|
|
|
|
static bool ListTar(const std::string& outFileName,
|
|
const std::vector<std::string>& files, bool verbose);
|
|
static bool CreateTar(const std::string& outFileName,
|
|
const std::vector<std::string>& files,
|
|
cmTarCompression compressType, bool verbose,
|
|
std::string const& mtime = std::string(),
|
|
std::string const& format = std::string());
|
|
static bool ExtractTar(const std::string& inFileName,
|
|
const std::vector<std::string>& files, bool verbose);
|
|
// This should be called first thing in main
|
|
// it will keep child processes from inheriting the
|
|
// stdin and stdout of this process. This is important
|
|
// if you want to be able to kill child processes and
|
|
// not get stuck waiting for all the output on the pipes.
|
|
static void DoNotInheritStdPipes();
|
|
|
|
static void EnsureStdPipes();
|
|
|
|
/** Random seed generation. */
|
|
static unsigned int RandomSeed();
|
|
|
|
/** Find the directory containing CMake executables. */
|
|
static void FindCMakeResources(const char* argv0);
|
|
|
|
/** Get the CMake resource paths, after FindCMakeResources. */
|
|
static std::string const& GetCTestCommand();
|
|
static std::string const& GetCPackCommand();
|
|
static std::string const& GetCMakeCommand();
|
|
static std::string const& GetCMakeGUICommand();
|
|
static std::string const& GetCMakeCursesCommand();
|
|
static std::string const& GetCMClDepsCommand();
|
|
static std::string const& GetCMakeRoot();
|
|
|
|
/** Echo a message in color using KWSys's Terminal cprintf. */
|
|
static void MakefileColorEcho(int color, const char* message, bool newLine,
|
|
bool enabled);
|
|
|
|
/** Try to guess the soname of a shared library. */
|
|
static bool GuessLibrarySOName(std::string const& fullPath,
|
|
std::string& soname);
|
|
|
|
/** Try to guess the install name of a shared library. */
|
|
static bool GuessLibraryInstallName(std::string const& fullPath,
|
|
std::string& soname);
|
|
|
|
/** Try to set the RPATH in an ELF binary. */
|
|
static bool ChangeRPath(std::string const& file, std::string const& oldRPath,
|
|
std::string const& newRPath,
|
|
bool removeEnvironmentRPath,
|
|
std::string* emsg = nullptr,
|
|
bool* changed = nullptr);
|
|
|
|
/** Try to remove the RPATH from an ELF binary. */
|
|
static bool RemoveRPath(std::string const& file, std::string* emsg = nullptr,
|
|
bool* removed = nullptr);
|
|
|
|
/** Check whether the RPATH in an ELF binary contains the path
|
|
given. */
|
|
static bool CheckRPath(std::string const& file, std::string const& newRPath);
|
|
|
|
/** Remove a directory; repeat a few times in case of locked files. */
|
|
static bool RepeatedRemoveDirectory(const std::string& dir);
|
|
|
|
/** Encode a string as a URL. */
|
|
static std::string EncodeURL(std::string const& in,
|
|
bool escapeSlashes = true);
|
|
|
|
#ifdef _WIN32
|
|
struct WindowsFileRetry
|
|
{
|
|
unsigned int Count;
|
|
unsigned int Delay;
|
|
};
|
|
static WindowsFileRetry GetWindowsFileRetry();
|
|
#endif
|
|
|
|
/** Get the real path for a given path, removing all symlinks.
|
|
This variant of GetRealPath also works on Windows but will
|
|
resolve subst drives too. */
|
|
static std::string GetRealPathResolvingWindowsSubst(
|
|
const std::string& path, std::string* errorMessage = nullptr);
|
|
|
|
/** Perform one-time initialization of libuv. */
|
|
static void InitializeLibUV();
|
|
|
|
/** Create a symbolic link if the platform supports it. Returns whether
|
|
creation succeeded. */
|
|
static bool CreateSymlink(const std::string& origName,
|
|
const std::string& newName,
|
|
std::string* errorMessage = nullptr);
|
|
|
|
/** Create a hard link if the platform supports it. Returns whether
|
|
creation succeeded. */
|
|
static bool CreateLink(const std::string& origName,
|
|
const std::string& newName,
|
|
std::string* errorMessage = nullptr);
|
|
|
|
private:
|
|
static bool s_ForceUnixPaths;
|
|
static bool s_RunCommandHideConsole;
|
|
static bool s_ErrorOccured;
|
|
static bool s_FatalErrorOccured;
|
|
static bool s_DisableRunCommandOutput;
|
|
};
|
|
|
|
#endif
|