From 1be372285563189dba8f7ecf7b26a049f3728655 Mon Sep 17 00:00:00 2001
From: Matthias Andreas Benkard <matthias@benkard.de>
Date: Thu, 31 Jul 2008 12:20:07 +0200
Subject: Make keywords self-evaluate while interning, not while reading.

---
 MLKPackage.m | 23 +++++++++++++++++++++++
 MLKReader.m  | 10 ++--------
 2 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/MLKPackage.m b/MLKPackage.m
index 2757455..3153b74 100644
--- a/MLKPackage.m
+++ b/MLKPackage.m
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#import "MLKDynamicContext.h"
 #import "MLKPackage.h"
 #import "MLKSymbol.h"
 #import "NSObject-MLKPrinting.h"
@@ -267,6 +268,17 @@ static NSMutableDictionary *packages = nil;
 
   [_accessible_symbols setObject:symbol forKey:name];
   [_present_symbols addObject:symbol];
+
+  if ([_name isEqual:@"KEYWORD"])
+    {
+      // Make keyword symbols self-evaluate.
+      [[MLKDynamicContext globalContext] addValue:symbol forSymbol:symbol];
+
+      // Make them external as well.
+      [self export:symbol];
+
+      // FIXME: Should finally make them constant, see CLHS 10.2, Type KEYWORD.
+    }
 }
 
 -(void) inherit:(MLKSymbol *)symbol
@@ -290,6 +302,17 @@ static NSMutableDictionary *packages = nil;
              [self descriptionForLisp]];
 
   [_accessible_symbols setObject:symbol forKey:name];
+  
+  if ([_name isEqual:@"KEYWORD"])
+    {
+      // Make keyword symbols self-evaluate.
+      [[MLKDynamicContext globalContext] addValue:symbol forSymbol:symbol];
+
+      // Make them external as well.
+      [self export:symbol];
+
+      // FIXME: Should finally make them constant, see CLHS 10.2, Type KEYWORD.
+    }
 }
 
 -(void) uninherit:(MLKSymbol *)symbol
diff --git a/MLKReader.m b/MLKReader.m
index a6f11c1..abd8a43 100644
--- a/MLKReader.m
+++ b/MLKReader.m
@@ -522,20 +522,14 @@ readingUninternedSymbol:(BOOL)readingUninternedSymbol
       else
         symbol = [MLKSymbol symbolWithName:symbolName package:nil];
 
-      if (packageMarker == 0)
-        {
-          // Make keyword symbols self-evaluate.
-          [[MLKDynamicContext globalContext] addValue:symbol forSymbol:symbol];
-        }
-
       return symbol;
     }
 }
 
 +(id) readFromString:(NSString *)string
 {
-  return [self readFromStream:[[MLKStringInputStream alloc]
-                                initWithString:string]
+  return [self readFromStream:AUTORELEASE([[MLKStringInputStream alloc]
+                                            initWithString:string])
                eofError:YES
                eofValue:nil
                recursive:NO
-- 
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