1324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/* 2324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * [The "BSD licence"] 3324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Copyright (c) 2011 Terence Parr 4324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * All rights reserved. 5324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 6324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Conversion to C#: 7324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Copyright (c) 2011 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 ArgumentNullException = System.ArgumentNullException; 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary> 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * A tree node that is wrapper for a Token object. After 3.0 release 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * while building tree rewrite stuff, it became clear that computing 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * parent and child index is very difficult and cumbersome. Better to 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * spend the space in every tree node. If you don't want these extra 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * fields, it's easy to cut them out in your own BaseTree subclass. 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * </summary> 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [System.Serializable] 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public class CommonTree : BaseTree 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary>A single token is the payload</summary> */ 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver private IToken _token; 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary> 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * What token indexes bracket all tokens associated with this node 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * and below? 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * </summary> 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver protected int startIndex = -1; 57324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver protected int stopIndex = -1; 58324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 59324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary>Who is the parent node of this node; if null, implies node is root</summary> */ 60324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver CommonTree parent; 61324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 62324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary>What index is this node in the child list? Range: 0..n-1</summary> */ 63324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver int childIndex = -1; 64324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 65324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public CommonTree() 66324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 67324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 68324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 69324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public CommonTree( CommonTree node ) 70324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver : base( node ) 71324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 72324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (node == null) 73324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver throw new ArgumentNullException("node"); 74324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 75324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver this.Token = node.Token; 76324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver this.startIndex = node.startIndex; 77324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver this.stopIndex = node.stopIndex; 78324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 79324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 80324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public CommonTree( IToken t ) 81324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 82324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver this.Token = t; 83324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 84324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 85324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver #region Properties 86324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 87324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override int CharPositionInLine 88324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 89324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 90324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 91324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( Token == null || Token.CharPositionInLine == -1 ) 92324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 93324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( ChildCount > 0 ) 94324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Children[0].CharPositionInLine; 95324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 96324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return 0; 97324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 98324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.CharPositionInLine; 99324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 100324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 101324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 102324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 103324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver base.CharPositionInLine = value; 104324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 105324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 106324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 107324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override int ChildIndex 108324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 109324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 110324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 111324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return childIndex; 112324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 113324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 114324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 115324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 116324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver childIndex = value; 117324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 118324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 119324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 120324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override bool IsNil 121324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 122324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 123324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 124324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token == null; 125324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 126324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 127324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 128324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override int Line 129324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 130324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 131324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 132324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( Token == null || Token.Line == 0 ) 133324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 134324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( ChildCount > 0 ) 135324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Children[0].Line; 136324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 137324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return 0; 138324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 139324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 140324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.Line; 141324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 142324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 143324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 144324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 145324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver base.Line = value; 146324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 147324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 148324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 149324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override ITree Parent 150324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 151324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 152324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 153324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return parent; 154324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 155324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 156324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 157324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 158324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver parent = (CommonTree)value; 159324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 160324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 161324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 162324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override string Text 163324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 164324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 165324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 166324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( Token == null ) 167324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return null; 168324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 169324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.Text; 170324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 171324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 172324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 173324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 174324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 175324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 176324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 177324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public IToken Token 178324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 179324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 180324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 181324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return _token; 182324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 183324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 184324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 185324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 186324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver _token = value; 187324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 188324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 189324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 190324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override int TokenStartIndex 191324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 192324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 193324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 194324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( startIndex == -1 && Token != null ) 195324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.TokenIndex; 196324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 197324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return startIndex; 198324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 199324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 200324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 201324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 202324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver startIndex = value; 203324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 204324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 205324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 206324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override int TokenStopIndex 207324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 208324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 209324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 210324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( stopIndex == -1 && Token != null ) 211324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 212324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.TokenIndex; 213324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 214324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return stopIndex; 215324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 216324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 217324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 218324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 219324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver stopIndex = value; 220324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 221324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 222324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 223324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override int Type 224324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 225324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver get 226324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 227324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( Token == null ) 228324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return TokenTypes.Invalid; 229324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 230324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.Type; 231324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 232324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 233324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver set 234324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 235324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 236324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 237324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 238324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver #endregion 239324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 240324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override ITree DupNode() 241324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 242324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return new CommonTree( this ); 243324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 244324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 245324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver /** <summary> 246324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * For every node in this subtree, make sure it's start/stop token's 247324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * are set. Walk depth first, visit bottom up. Only updates nodes 248324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * with at least one token index < 0. 249324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * </summary> 250324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 251324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public virtual void SetUnknownTokenBoundaries() 252324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 253324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( Children == null ) 254324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 255324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( startIndex < 0 || stopIndex < 0 ) 256324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver startIndex = stopIndex = Token.TokenIndex; 257324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 258324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return; 259324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 260324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 261324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver foreach (ITree childTree in Children) 262324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 263324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver CommonTree commonTree = childTree as CommonTree; 264324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (commonTree == null) 265324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver continue; 266324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 267324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver commonTree.SetUnknownTokenBoundaries(); 268324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 269324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 270324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( startIndex >= 0 && stopIndex >= 0 ) 271324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return; // already set 272324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 273324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if ( Children.Count > 0 ) 274324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 275324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ITree firstChild = Children[0]; 276324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ITree lastChild = Children[Children.Count - 1]; 277324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver startIndex = firstChild.TokenStartIndex; 278324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver stopIndex = lastChild.TokenStopIndex; 279324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 280324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 281324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 282324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public override string ToString() 283324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver { 284324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (IsNil) 285324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return "nil"; 286324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 287324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (Type == TokenTypes.Invalid) 288324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return "<errornode>"; 289324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 290324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (Token == null) 291324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return string.Empty; 292324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 293324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return Token.Text; 294324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 295324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 296324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver} 297