SMLoc.h revision 2122f69c023f197435c289701ebe6cbec9ecb881 
1//===- SMLoc.h - Source location for use with diagnostics -------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares the SMLoc class.  This class encapsulates a location in
11// source code for use in diagnostics.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef SUPPORT_SMLOC_H
16#define SUPPORT_SMLOC_H
17
18namespace llvm {
19
20// SMLoc - Represents a location in source code.
21class SMLoc {
22  const char *Ptr;
23public:
24  SMLoc() : Ptr(0) {}
25  SMLoc(const SMLoc &RHS) : Ptr(RHS.Ptr) {}
26
27  bool isValid() const { return Ptr != 0; }
28
29  bool operator==(const SMLoc &RHS) const { return RHS.Ptr == Ptr; }
30  bool operator!=(const SMLoc &RHS) const { return RHS.Ptr != Ptr; }
31
32  const char *getPointer() const { return Ptr; }
33
34  static SMLoc getFromPointer(const char *Ptr) {
35    SMLoc L;
36    L.Ptr = Ptr;
37    return L;
38  }
39};
40
41}
42
43#endif
44
45