Provide a portability macro for __builtin_trap.

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

diff --git a/include/llvm/Support/Regex.h b/include/llvm/Support/Regex.h
index ea65ccf3aa3aab86cea0ebbcf2a1b0dba5c78c2d..7648e77bfbb53b0131d028b3291e536be59e045b 100644 (file)
--- a/include/llvm/Support/Regex.h
+++ b/include/llvm/Support/Regex.h
@@ -11,6 +11,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_SUPPORT_REGEX_H
+#define LLVM_SUPPORT_REGEX_H
+
 #include <string>
 
 struct llvm_regex;
@@ -18,7 +21,7 @@ struct llvm_regex;
 namespace llvm {
   class StringRef;
   template<typename T> class SmallVectorImpl;
-  
+
   class Regex {
   public:
     enum {
@@ -26,9 +29,9 @@ namespace llvm {
       /// Compile for matching that ignores upper/lower case distinctions.
       IgnoreCase=1,
       /// Compile for newline-sensitive matching. With this flag '[^' bracket
-      /// expressions and '.' never match newline. A ^ anchor matches the 
-      /// null string after any newline in the string in addition to its normal 
-      /// function, and the $ anchor matches the null string before any 
+      /// expressions and '.' never match newline. A ^ anchor matches the
+      /// null string after any newline in the string in addition to its normal
+      /// function, and the $ anchor matches the null string before any
       /// newline in the string in addition to its normal function.
       Newline=2
     };
@@ -47,10 +50,10 @@ namespace llvm {
     /// matches it contains.  The number filled in by match will include this
     /// many entries plus one for the whole regex (as element 0).
     unsigned getNumMatches() const;
-    
+
     /// matches - Match the regex against a given \arg String.
     ///
-    /// \param Matches - If given, on a succesful match this will be filled in
+    /// \param Matches - If given, on a successful match this will be filled in
     /// with references to the matched group expressions (inside \arg String),
     /// the first group is always the entire pattern.
     ///
@@ -74,3 +77,5 @@ namespace llvm {
     int error;
   };
 }
+
+#endif // LLVM_SUPPORT_REGEX_H