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dd04df0ec3
Get rid of the difference between file paths and directory paths. The Path class now simply stores a path that can refer to either a file or a directory. This required various changes in the implementation and interface of the class with the corresponding impact to its users. Doxygen comments were also updated to reflect these changes. Interface changes are: appendDirectory -> appendComponent appendFile -> appendComponent elideDirectory -> eraseComponent elideFile -> eraseComponent elideSuffix -> eraseSuffix renameFile -> rename setDirectory -> set setFile -> set Changes pass Dejagnu and llvm-test/SingleSource tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22349 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
//===- SystemUtils.cpp - Utilities for low-level system tasks -------------===//
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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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#include "llvm/Support/SystemUtils.h"
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#include "llvm/System/Process.h"
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#include "llvm/System/Program.h"
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#include <iostream>
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using namespace llvm;
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bool llvm::CheckBytecodeOutputToConsole(std::ostream* stream_to_check,
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bool print_warning) {
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if (stream_to_check == &std::cout && sys::Process::StandardOutIsDisplayed()) {
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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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"This is inadvisable as it may cause display problems. If\n"
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"you REALLY want to taste LLVM bytecode first-hand, you\n"
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"can force output with the `-f' option.\n\n";
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}
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return true;
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}
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return false;
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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
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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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///
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#undef FindExecutable // needed on windows :(
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sys::Path llvm::FindExecutable(const std::string &ExeName,
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const std::string &ProgramPath) {
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// First check the directory that the calling program is in. We can do this
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// if ProgramPath contains at least one / character, indicating that it is a
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// relative path to bugpoint itself.
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sys::Path Result ( ProgramPath );
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Result.eraseComponent();
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if (!Result.isEmpty()) {
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Result.appendComponent(ExeName);
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if (Result.canExecute())
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return Result;
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}
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return sys::Program::FindProgramByName(ExeName);
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}
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