ANTLRTreeVisitorAction.h revision 324c4644fee44b9898524c09511bd33c3f12e2df
1324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 2324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// ANTLRTreeVisitorAction.h 3324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// ANTLR 4324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 5324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// Created by Alan Condit on 6/18/10. 6324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// [The "BSD licence"] 7324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// Copyright (c) 2010 Alan Condit 8324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// All rights reserved. 9324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 10324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// Redistribution and use in source and binary forms, with or without 11324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// modification, are permitted provided that the following conditions 12324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// are met: 13324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 1. Redistributions of source code must retain the above copyright 14324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// notice, this list of conditions and the following disclaimer. 15324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 2. Redistributions in binary form must reproduce the above copyright 16324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// notice, this list of conditions and the following disclaimer in the 17324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// documentation and/or other materials provided with the distribution. 18324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 3. The name of the author may not be used to endorse or promote products 19324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// derived from this software without specific prior written permission. 20324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// 21324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 32324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#import <Cocoa/Cocoa.h> 33324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 34324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 35324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@interface ANTLRTreeVisitorAction : NSObject 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver{ 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver} 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver+ (ANTLRTreeVisitorAction *)newANTLRTreeVisitorAction; 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (id) init; 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Execute an action before visiting children of t. Return t or 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * a rewritten t. It is up to the visitor to decide what to do 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * with the return value. Children of returned value will be 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * visited if using TreeVisitor.visit(). 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (ANTLRTreeVisitorAction *)pre:(ANTLRTreeVisitorAction *) t; 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Execute an action after visiting children of t. Return t or 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * a rewritten t. It is up to the visitor to decide what to do 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * with the return value. 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver- (ANTLRTreeVisitorAction *)post:(ANTLRTreeVisitorAction *) t; 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@end 57