1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-29 23:12:55 +01:00
llvm-mirror/include/llvm/Support/FileUtilities.h

59 lines
2.1 KiB
C
Raw Normal View History

//===- llvm/Support/FileUtilities.h - File System Utilities -----*- C++ -*-===//
//
2003-10-20 21:46:57 +02:00
// 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.
//
2003-10-20 21:46:57 +02:00
//===----------------------------------------------------------------------===//
2003-08-01 22:28:55 +02:00
//
// 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
2003-08-01 22:28:55 +02:00
#include "llvm/System/Path.h"
2003-08-01 22:28:55 +02:00
namespace llvm {
/// DiffFilesWithTolerance - Compare the two files specified, returning 0 if
/// the files match, 1 if they are different, and 2 if there is a file error.
/// This function allows you to specify an absolete and relative FP error that
/// is allowed to exist. 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, or
/// if the files are different.
///
int DiffFilesWithTolerance(const sys::Path &FileA, const sys::Path &FileB,
double AbsTol, double RelTol,
std::string *Error = 0);
2005-01-23 04:11:38 +01:00
/// 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)
try {
Filename.eraseFromDisk();
} catch (...) {} // Ignore problems deleting the file.
}
/// 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
2003-08-01 22:28:55 +02:00
#endif