2004-06-18 15:38:49 +00:00
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//===- SystemUtils.cpp - Utilities for low-level system tasks -------------===//
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2005-04-21 22:55:34 +00:00
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//
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2003-10-20 19:43:21 +00:00
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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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2005-04-21 22:55:34 +00:00
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//
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2003-10-20 19:43:21 +00:00
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//===----------------------------------------------------------------------===//
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2002-12-23 23:50:16 +00:00
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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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2004-09-01 22:55:40 +00:00
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#include "llvm/Support/SystemUtils.h"
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2004-12-13 23:41:37 +00:00
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#include "llvm/System/Program.h"
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2005-01-01 23:56:20 +00:00
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#include "llvm/System/Process.h"
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#include <iostream>
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2004-12-14 04:18:15 +00:00
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2003-12-14 21:35:53 +00:00
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using namespace llvm;
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2003-11-11 22:41:34 +00:00
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2005-01-02 00:10:03 +00:00
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bool llvm::CheckBytecodeOutputToConsole(std::ostream* stream_to_check,
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bool print_warning) {
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2005-01-01 23:56:20 +00:00
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if (stream_to_check == &std::cout && sys::Process::StandardOutIsDisplayed()) {
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2005-01-02 00:10:03 +00:00
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if (print_warning) {
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std::cerr << "WARNING: You're attempting to print out a bytecode file.\n";
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std::cerr << "This is inadvisable as it may cause display problems. If\n";
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std::cerr << "you REALLY want to taste LLVM bytecode first-hand, you\n";
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std::cerr << "can force output with the `-f' option.\n\n";
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}
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2005-01-01 23:56:20 +00:00
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return true;
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}
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2004-04-02 21:26:04 +00:00
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return false;
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2004-04-02 05:04:03 +00:00
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}
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2003-08-07 21:34:25 +00:00
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/// FindExecutable - Find a named executable, giving the argv[0] of program
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2003-09-29 22:40:07 +00:00
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/// being executed. This allows us to find another LLVM tool if it is built
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/// into the same directory, but that directory is neither the current
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/// directory, nor in the PATH. If the executable cannot be found, return an
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/// empty string.
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2004-12-19 18:00:09 +00:00
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///
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2004-05-28 01:20:58 +00:00
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#undef FindExecutable // needed on windows :(
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2004-12-13 23:41:37 +00:00
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sys::Path llvm::FindExecutable(const std::string &ExeName,
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2004-12-19 18:00:09 +00:00
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const std::string &ProgramPath) {
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2005-04-21 22:55:34 +00:00
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// First check the directory that the calling program is in. We can do this
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2004-12-13 23:41:37 +00:00
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// if ProgramPath contains at least one / character, indicating that it is a
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2002-12-23 23:50:16 +00:00
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// relative path to bugpoint itself.
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2004-12-13 23:41:37 +00:00
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sys::Path Result ( ProgramPath );
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Result.elideFile();
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if (!Result.isEmpty()) {
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Result.appendFile(ExeName);
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2005-04-21 22:55:34 +00:00
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if (Result.executable())
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2004-12-19 18:00:09 +00:00
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return Result;
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2002-12-23 23:50:16 +00:00
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}
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2004-12-13 23:41:37 +00:00
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return sys::Program::FindProgramByName(ExeName);
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2002-12-23 23:50:16 +00:00
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}
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