1 files changed, 81 insertions, 0 deletions
diff --git a/runtime/ObjC/Framework/ANTLRTreeRuleReturnScope.m b/runtime/ObjC/Framework/ANTLRTreeRuleReturnScope.m
new file mode 100644
index 0000000..0043314
--- /dev/null
+++ b/runtime/ObjC/Framework/ANTLRTreeRuleReturnScope.m
@@ -0,0 +1,81 @@
+//
+//  ANTLRTreeRuleReturnScope.m
+//  ANTLR
+//
+//  Created by Alan Condit on 6/17/10.
+// [The "BSD licence"]
+// Copyright (c) 2010 Alan Condit
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. The name of the author may not be used to endorse or promote products
+//    derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#import "ANTLRTreeRuleReturnScope.h"
+
+
+@implementation ANTLRTreeRuleReturnScope
+@synthesize start;
+
++ (id) newReturnScope
+{
+    return [[ANTLRTreeRuleReturnScope alloc] init];
+}
+
+- (id) init
+{
+    self = [super init];
+    return self;
+}
+
+- (void) dealloc
+{
+#ifdef DEBUG_DEALLOC
+    NSLog( @"called dealloc in ANTLRTreeRuleReturnScope" );
+#endif
+	if ( start ) [start release];
+	[super dealloc];
+}
+
+- (ANTLRCommonTree *)getStart
+{
+    return start;
+}	
+
+- (void)setStart:(ANTLRCommonTree *)aStart
+{
+    if ( start != aStart ) {
+        if ( start ) [start release];
+        [aStart retain];
+    }
+    start = aStart;
+}	
+
+// create a copy, including the text if available
+// the input stream is *not* copied!
+- (id) copyWithZone:(NSZone *)theZone
+{
+    ANTLRTreeRuleReturnScope *copy = [super copyWithZone:theZone];
+    copy.start = start;
+    return copy;
+}
+
+@end