X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FSystemUtils.h;h=399aee51eb7b0ccc1f43fce8dad52f1e16d254d2;hb=525398e1376b0d61fe80a83ed2261e2e6e6ab4a3;hp=126a54dbf8ca8d8bbd09708cbf5ace53d755588f;hpb=1749a0c1b9a17fd6b11fad2f6e6b66ab90eac4b4;p=oota-llvm.git diff --git a/include/llvm/Support/SystemUtils.h b/include/llvm/Support/SystemUtils.h index 126a54dbf8c..399aee51eb7 100644 --- a/include/llvm/Support/SystemUtils.h +++ b/include/llvm/Support/SystemUtils.h @@ -1,10 +1,10 @@ //===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===// -// +// // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// //===----------------------------------------------------------------------===// // // This file contains functions used to do a variety of low-level, often @@ -15,38 +15,29 @@ #ifndef LLVM_SUPPORT_SYSTEMUTILS_H #define LLVM_SUPPORT_SYSTEMUTILS_H -#include "llvm/System/Path.h" +#include namespace llvm { - -/// isStandardOutAConsole - Return true if we can tell that the standard output -/// stream goes to a terminal window or console. -bool isStandardOutAConsole(); - -/// FindExecutable - Find a named executable, giving the argv[0] of program -/// being executed. This allows us to find another LLVM tool if it is built into -/// the same directory, but that directory is neither the current directory, nor -/// in the PATH. If the executable cannot be found, return an empty string. -/// -sys::Path FindExecutable(const std::string &ExeName, - const std::string &ProgramPath); - -/// RunProgramWithTimeout - This function executes the specified program, with -/// the specified null-terminated argument array, with the stdin/out/err fd's -/// redirected, with a timeout specified by the last argument. This terminates -/// the calling program if there is an error executing the specified program. -/// It returns the return value of the program, or -1 if a timeout is detected. -/// -int RunProgramWithTimeout(const std::string &ProgramPath, const char **Args, - const std::string &StdInFile = "", - const std::string &StdOutFile = "", - const std::string &StdErrFile = "", - unsigned NumSeconds = 0); - -/// ExecWait - Execute a program with the given arguments and environment and -/// wait for it to terminate. -/// -int ExecWait (const char * const argv[], const char * const envp[]); + class raw_ostream; + namespace sys { class Path; } + +/// Determine if the raw_ostream provided is connected to a terminal. If so, +/// generate a warning message to errs() advising against display of bitcode +/// and return true. Otherwise just return false. +/// @brief Check for output written to a console +bool CheckBitcodeOutputToConsole( + raw_ostream &stream_to_check, ///< The stream to be checked + bool print_warning = true ///< Control whether warnings are printed +); + +/// PrependMainExecutablePath - Prepend the path to the program being executed +/// to \p ExeName, given the value of argv[0] and the address of main() +/// itself. This allows us to find another LLVM tool if it is built in the same +/// directory. An empty string is returned on error; note that this function +/// just mainpulates the path and doesn't check for executability. +/// @brief Find a named executable. +sys::Path PrependMainExecutablePath(const std::string &ExeName, + const char *Argv0, void *MainAddr); } // End llvm namespace