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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19240 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
//===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains functions used to do a variety of low-level, often
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// system-specific, tasks.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_SYSTEMUTILS_H
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#define LLVM_SUPPORT_SYSTEMUTILS_H
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#include "llvm/System/Program.h"
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namespace llvm {
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/// Determine if the ostream provided is connected to the std::cout and
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/// displayed or not (to a console window). If so, generate a warning message
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/// advising against display of bytecode and return true. Otherwise just return
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/// false
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/// @brief Check for output written to a console
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bool CheckBytecodeOutputToConsole(
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std::ostream* stream_to_check, ///< The stream to be checked
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bool print_warning = true ///< Control whether warnings are printed
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);
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/// FindExecutable - Find a named executable, giving the argv[0] of program
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/// being executed. This allows us to find another LLVM tool if it is built into
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/// the same directory, but that directory is neither the current directory, nor
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/// in the PATH. If the executable cannot be found, return an empty string.
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/// @brief Find a named executable.
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sys::Path FindExecutable(const std::string &ExeName,
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const std::string &ProgramPath);
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/// RunProgramWithTimeout - This function provides an alternate interface to the
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/// sys::Program::ExecuteAndWait interface.
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/// @see sys:Program::ExecuteAndWait
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inline int RunProgramWithTimeout(const sys::Path &ProgramPath,
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const char **Args,
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const sys::Path &StdInFile,
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const sys::Path &StdOutFile,
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const sys::Path &StdErrFile,
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unsigned NumSeconds = 0) {
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const sys::Path* redirects[3];
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redirects[0] = &StdInFile;
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redirects[1] = &StdOutFile;
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redirects[2] = &StdErrFile;
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return
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sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects, NumSeconds);
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}
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} // End llvm namespace
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#endif
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