From 34682b0b087a9ced1f23a91f67167f71f304a4a8 Mon Sep 17 00:00:00 2001
From: Matthias Andreas Benkard <matthias@benkard.de>
Date: Tue, 2 Sep 2008 12:01:30 +0200
Subject: Switch from NS_DURING..NS_HANDLER..NS_ENDHANDLER to
 @try..@catch..@finally.

---
 MLKDynamicContext.m | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

(limited to 'MLKDynamicContext.m')

diff --git a/MLKDynamicContext.m b/MLKDynamicContext.m
index 70979cf..5029a95 100644
--- a/MLKDynamicContext.m
+++ b/MLKDynamicContext.m
@@ -43,6 +43,7 @@
 #import "MLKSharpsignColonReader.h"
 #import "MLKSymbol.h"
 #import "MLKInteger.h"
+#import "MLKUnboundVariableError.h"
 #import "runtime-compatibility.h"
 #import "util.h"
 
@@ -359,35 +360,25 @@ static MLKDynamicContext *global_context;
 
 -(id) findRestart:(MLKSymbol *)symbol
 {
-  NS_DURING
+  @try
     {
-      NS_VALUERETURN ([_restarts valueForSymbol:symbol], id);
+      return [_restarts valueForSymbol:symbol];
     }
-  NS_HANDLER
-    {
-      if (![[localException name] isEqualToString: @"MLKUnboundVariableError"])
-        [localException raise];
-    }
-  NS_ENDHANDLER;
+  @catch (MLKUnboundVariableError *e) { }
 
   return nil;
 }
 
 -(id) findHandler:(MLKSymbol *)symbol
 {
-  NS_DURING
+  @try
     {
       if (_activeHandlerEnvironment)
-        NS_VALUERETURN ([[_activeHandlerEnvironment parent] valueForSymbol:symbol], id);
+        return [[_activeHandlerEnvironment parent] valueForSymbol:symbol];
       else
-        NS_VALUERETURN ([_conditionHandlers valueForSymbol:symbol], id);
-    }
-  NS_HANDLER
-    {
-      if (![[localException name] isEqualToString: @"MLKUnboundVariableError"])
-        [localException raise];
+        return [_conditionHandlers valueForSymbol:symbol];
     }
-  NS_ENDHANDLER;
+  @catch (MLKUnboundVariableError *e) { }
 
   return nil;
 }
-- 
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