mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
772192cf36
Move non-portable FDHandle class to its only user: lib/Debugger git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19106 91177308-0d34-0410-b5e6-96231b3b80d8
60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
//===- llvm/Support/FileUtilities.h - File System Utilities -----*- 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 defines a family of utility functions which are useful for doing
|
|
// various things with files.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_SUPPORT_FILEUTILITIES_H
|
|
#define LLVM_SUPPORT_FILEUTILITIES_H
|
|
|
|
#include "llvm/System/Path.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// DiffFiles - Compare the two files specified, returning true if they are
|
|
/// different or if there is a file error. If you specify a string to fill in
|
|
/// for the error option, it will set the string to an error message if an error
|
|
/// occurs, allowing the caller to distinguish between a failed diff and a file
|
|
/// system error.
|
|
///
|
|
bool DiffFiles(const std::string &FileA, const std::string &FileB,
|
|
std::string *Error = 0);
|
|
|
|
/// MoveFileOverIfUpdated - If the file specified by New is different than Old,
|
|
/// or if Old does not exist, move the New file over the Old file. Otherwise,
|
|
/// remove the New file.
|
|
///
|
|
void MoveFileOverIfUpdated(const std::string &New, const std::string &Old);
|
|
|
|
/// FileRemover - This class is a simple object meant to be stack allocated.
|
|
/// If an exception is thrown from a region, the object removes the filename
|
|
/// specified (if deleteIt is true).
|
|
///
|
|
class FileRemover {
|
|
sys::Path Filename;
|
|
bool DeleteIt;
|
|
public:
|
|
FileRemover(const sys::Path &filename, bool deleteIt = true)
|
|
: Filename(filename), DeleteIt(deleteIt) {}
|
|
|
|
~FileRemover() {
|
|
if (DeleteIt)
|
|
Filename.destroyFile();
|
|
}
|
|
|
|
/// releaseFile - Take ownership of the file away from the FileRemover so it
|
|
/// will not be removed when the object is destroyed.
|
|
void releaseFile() { DeleteIt = false; }
|
|
};
|
|
} // End llvm namespace
|
|
|
|
#endif
|