mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
59 lines
2.0 KiB
C++
59 lines
2.0 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 {
|
|
|
|
/// 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);
|
|
|
|
|
|
/// 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) {
|
|
// Ignore problems deleting the file.
|
|
Filename.eraseFromDisk();
|
|
}
|
|
}
|
|
|
|
/// 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
|