[llvm-commits] [llvm] r66750 - /llvm/trunk/include/llvm/ADT/StringMap.h

[Daniel Dunbar]

Author: ddunbar
Date: Wed Mar 11 20:16:06 2009
New Revision: 66750

URL: http://llvm.org/viewvc/llvm-project?rev=66750&view=rev
Log:
Add StringMap::lookup.

Modified:
    llvm/trunk/include/llvm/ADT/StringMap.h

Modified: llvm/trunk/include/llvm/ADT/StringMap.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/StringMap.h?rev=66750&r1=66749&r2=66750&view=diff

==============================================================================
--- llvm/trunk/include/llvm/ADT/StringMap.h (original)
+++ llvm/trunk/include/llvm/ADT/StringMap.h Wed Mar 11 20:16:06 2009
@@ -303,6 +303,27 @@
     return find(key_start, key_start + Key.size());
   }
 
+   /// lookup - Return the entry for the specified key, or a default
+  /// constructed value if no such entry exists.
+  ValueTy lookup(const char *KeyStart, const char *KeyEnd) const {
+    const_iterator it = find(KeyStart, KeyEnd);
+    if (it != end())
+      return it->second;
+    return ValueTy();
+  }
+  ValueTy lookup(const char *Key) const {
+    const_iterator it = find(Key);
+    if (it != end())
+      return it->second;
+    return ValueTy();
+  }
+  ValueTy lookup(const std::string &Key) const {
+    const_iterator it = find(Key);
+    if (it != end())
+      return it->second;
+    return ValueTy();
+  }
+
   ValueTy& operator[](const char *Key) {
     return GetOrCreateValue(Key, Key + strlen(Key)).getValue();
   }