1324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/* 2324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * [The "BSD licence"] 3324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Copyright (c) 2005-2008 Terence Parr 4324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * All rights reserved. 5324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 6324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Conversion to C#: 7324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Copyright (c) 2008-2009 Sam Harwell, Pixel Mine, Inc. 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 33324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruvernamespace Antlr.Runtime.Tree 34324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver{ 35324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver using IList = System.Collections.IList; 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver using NotSupportedException = System.NotSupportedException; 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [System.Serializable] 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public class RewriteRuleTokenStream : RewriteRuleElementStream 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public RewriteRuleTokenStream( ITreeAdaptor adaptor, string elementDescription ) 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver : base( adaptor, elementDescription ) 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary>Create a stream with one element</summary> */ 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public RewriteRuleTokenStream( ITreeAdaptor adaptor, string elementDescription, object oneElement ) 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver : base( adaptor, elementDescription, oneElement ) 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary>Create a stream, but feed off an existing list</summary> */ 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public RewriteRuleTokenStream( ITreeAdaptor adaptor, string elementDescription, IList elements ) 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver : base( adaptor, elementDescription, elements ) 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 57324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 58324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 59324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary>Get next token from stream and make a node for it</summary> */ 60324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public virtual object NextNode() 61324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 62324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver IToken t = (IToken)NextCore(); 63324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return adaptor.Create( t ); 64324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 65324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 66324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public virtual IToken NextToken() 67324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 68324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return (IToken)NextCore(); 69324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 70324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 71324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary> 72324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Don't convert to a tree unless they explicitly call nextTree. 73324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * This way we can do hetero tree nodes in rewrite. 74324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * </summary> 75324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 76324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver protected override object ToTree( object el ) 77324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 78324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return el; 79324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 80324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 81324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver protected override object Dup( object el ) 82324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 83324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver throw new NotSupportedException( "dup can't be called for a token stream." ); 84324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 85324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 86324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver} 87