diff options
Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ParseTree.cs')
| -rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ParseTree.cs | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ParseTree.cs b/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ParseTree.cs deleted file mode 100644 index 149269a..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ParseTree.cs +++ /dev/null @@ -1,167 +0,0 @@ -/* - * [The "BSD licence"] - * Copyright (c) 2005-2008 Terence Parr - * All rights reserved. - * - * Conversion to C#: - * Copyright (c) 2008-2009 Sam Harwell, Pixel Mine, Inc. - * 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. - */ - -namespace Antlr.Runtime.Tree -{ - using System.Collections.Generic; - - using StringBuilder = System.Text.StringBuilder; - - /** <summary> - * A record of the rules used to match a token sequence. The tokens - * end up as the leaves of this tree and rule nodes are the interior nodes. - * This really adds no functionality, it is just an alias for CommonTree - * that is more meaningful (specific) and holds a String to display for a node. - * </summary> - */ - [System.Serializable] - public class ParseTree : BaseTree - { - public object payload; - public List<IToken> hiddenTokens; - - public ParseTree( object label ) - { - this.payload = label; - } - - #region Properties - public override string Text - { - get - { - return ToString(); - } - set - { - } - } - public override int TokenStartIndex - { - get - { - return 0; - } - set - { - } - } - public override int TokenStopIndex - { - get - { - return 0; - } - set - { - } - } - public override int Type - { - get - { - return 0; - } - set - { - } - } - #endregion - - public override ITree DupNode() - { - return null; - } - - public override string ToString() - { - if ( payload is IToken ) - { - IToken t = (IToken)payload; - if ( t.Type == TokenTypes.EndOfFile ) - { - return "<EOF>"; - } - return t.Text; - } - return payload.ToString(); - } - - /** <summary> - * Emit a token and all hidden nodes before. EOF node holds all - * hidden tokens after last real token. - * </summary> - */ - public virtual string ToStringWithHiddenTokens() - { - StringBuilder buf = new StringBuilder(); - if ( hiddenTokens != null ) - { - for ( int i = 0; i < hiddenTokens.Count; i++ ) - { - IToken hidden = (IToken)hiddenTokens[i]; - buf.Append( hidden.Text ); - } - } - string nodeText = this.ToString(); - if ( !nodeText.Equals( "<EOF>" ) ) - buf.Append( nodeText ); - return buf.ToString(); - } - - /** <summary> - * Print out the leaves of this tree, which means printing original - * input back out. - * </summary> - */ - public virtual string ToInputString() - { - StringBuilder buf = new StringBuilder(); - ToStringLeaves( buf ); - return buf.ToString(); - } - - protected virtual void ToStringLeaves( StringBuilder buf ) - { - if ( payload is IToken ) - { // leaf node token? - buf.Append( this.ToStringWithHiddenTokens() ); - return; - } - for ( int i = 0; Children != null && i < Children.Count; i++ ) - { - ParseTree t = (ParseTree)Children[i]; - t.ToStringLeaves( buf ); - } - } - } -} |