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74382b7c69
forcing them down into various .cpp files. This change also: 1. Renames TimeValue::toString() and Path::toString() to ::str() for similarity with the STL. 2. Removes all stream insertion support for sys::Path, forcing clients to call .str(). 3. Removes a use of Config/alloca.h from bugpoint, using smallvector instead. 4. Weans llvm-db off <iostream> sys::Path really needs to be gutted, but I don't have the desire to do it at this point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79869 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
2.1 KiB
C++
57 lines
2.1 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 is distributed under the University of Illinois Open Source
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// 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 "llvm/Support/raw_ostream.h"
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using namespace llvm;
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bool llvm::CheckBitcodeOutputToConsole(raw_ostream &stream_to_check,
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bool print_warning) {
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if (&stream_to_check == &outs() &&
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sys::Process::StandardOutIsDisplayed()) {
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if (print_warning) {
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errs() << "WARNING: You're attempting to print out a bitcode 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 bitcode 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 in
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/// the same directory. If the executable cannot be found, return an
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/// empty string.
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/// @brief Find a named executable.
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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 char *Argv0, void *MainAddr) {
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// Check the directory that the calling program is in. We can do
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// this if ProgramPath contains at least one / character, indicating that it
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// is a relative path to the executable itself.
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sys::Path Result = sys::Path::GetMainExecutable(Argv0, MainAddr);
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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::Path();
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}
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