//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define LLVM_DEBUGGER_SOURCEFILE_H
#include "llvm/System/Path.h"
-#include "llvm/System/MappedFile.h"
+#include "llvm/ADT/OwningPtr.h"
#include <vector>
namespace llvm {
class GlobalVariable;
+ class MemoryBuffer;
class SourceFile {
/// Filename - This is the full path of the file that is loaded.
const GlobalVariable *Descriptor;
/// This is the memory mapping for the file so we can gain access to it.
- sys::MappedFile File;
+ OwningPtr<MemoryBuffer> File;
/// LineOffset - This vector contains a mapping from source line numbers to
/// their offsets in the file. This data is computed lazily, the first time
/// NOT throw an exception if the file is not found, if there is an error
/// reading it, or if the user cancels the operation. Instead, it will just
/// be an empty source file.
- SourceFile(const std::string &fn, const GlobalVariable *Desc)
- : Filename(fn), Descriptor(Desc), File(Filename) {
- readFile();
- }
- ~SourceFile() {
- File.unmap();
- }
+ SourceFile(const std::string &fn, const GlobalVariable *Desc);
+
+ ~SourceFile();
/// getDescriptor - Return the debugging decriptor for this source file.
///
///
unsigned getNumLines() const {
if (LineOffset.empty()) calculateLineOffsets();
- return LineOffset.size();
+ return static_cast<unsigned>(LineOffset.size());
}
private:
- /// readFile - Load Filename into memory
- ///
- void readFile();
-
/// calculateLineOffsets - Compute the LineOffset vector for the current
/// file.
void calculateLineOffsets() const;