[ dwarfdump ] Add symbolic dump of known DWARF attribute values.

[oota-llvm.git] / include / llvm / Support / LineIterator.h

diff --git a/include/llvm/Support/LineIterator.h b/include/llvm/Support/LineIterator.h
index 861c19881fe3ac70e0128021b535e3f52b6042b2..309cf69b588971296a3ab4ab4c614671d2d160a3 100644 (file)
--- a/include/llvm/Support/LineIterator.h
+++ b/include/llvm/Support/LineIterator.h
@@ -7,7 +7,11 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_SUPPORT_LINEITERATOR_H
+#define LLVM_SUPPORT_LINEITERATOR_H
+
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DataTypes.h"
 #include <iterator>
 
 namespace llvm {
@@ -25,7 +29,7 @@ class MemoryBuffer;
 ///
 /// Note that this iterator requires the buffer to be nul terminated.
 class line_iterator
-    : public std::iterator<std::forward_iterator_tag, StringRef, ptrdiff_t> {
+    : public std::iterator<std::forward_iterator_tag, StringRef> {
   const MemoryBuffer *Buffer;
   char CommentMarker;
 
@@ -34,7 +38,7 @@ class line_iterator
 
 public:
   /// \brief Default construct an "end" iterator.
-  line_iterator() : Buffer(0) {}
+  line_iterator() : Buffer(nullptr) {}
 
   /// \brief Construct a new iterator around some memory buffer.
   explicit line_iterator(const MemoryBuffer &Buffer, char CommentMarker = '\0');
@@ -53,9 +57,15 @@ public:
     advance();
     return *this;
   }
+  line_iterator operator++(int) {
+    line_iterator tmp(*this);
+    advance();
+    return tmp;
+  }
 
   /// \brief Get the current line as a \c StringRef.
   StringRef operator*() const { return CurrentLine; }
+  const StringRef *operator->() const { return &CurrentLine; }
 
   friend bool operator==(const line_iterator &LHS, const line_iterator &RHS) {
     return LHS.Buffer == RHS.Buffer &&
@@ -71,3 +81,5 @@ private:
   void advance();
 };
 }
+
+#endif