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      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 
     18 namespace llvm {
     19 
     20 // SMLoc - Represents a location in source code.
     21 class SMLoc {
     22   const char *Ptr;
     23 public:
     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