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Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ITreeNodeStream.cs')
| -rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ITreeNodeStream.cs | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ITreeNodeStream.cs b/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ITreeNodeStream.cs deleted file mode 100644 index 8f3f30a..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/ITreeNodeStream.cs +++ /dev/null @@ -1,146 +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 -{ - /** <summary>A stream of tree nodes, accessing nodes from a tree of some kind</summary> */ - public interface ITreeNodeStream : IIntStream - { - /** <summary> - * Get a tree node at an absolute index i; 0..n-1. - * If you don't want to buffer up nodes, then this method makes no - * sense for you. - * </summary> - */ - object this[int i] - { - get; - } - - /** <summary> - * Get tree node at current input pointer + {@code k} ahead where - * {@code k==1} is next node. {@code k<0} indicates nodes in the past. So - * {@code LT(-1)} is previous node, but implementations are not required to - * provide results for {@code k < -1}. {@code LT(0)} is undefined. For - * {@code k<=n}, return {@code null}. Return {@code null} for {@code LT(0)} - * and any index that results in an absolute address that is negative. - * </summary> - * - * <remarks> - * This is analogous to {@link TokenStream#LT}, but this returns a tree node - * instead of a {@link Token}. Makes code generation identical for both - * parser and tree grammars. - * </remarks> - */ - object LT( int k ); - - /** <summary> - * Where is this stream pulling nodes from? This is not the name, but - * the object that provides node objects. - * </summary> - */ - object TreeSource - { - get; - } - - /** <summary> - * If the tree associated with this stream was created from a - * {@link TokenStream}, you can specify it here. Used to do rule - * {@code $text} attribute in tree parser. Optional unless you use tree - * parser rule {@code $text} attribute or {@code output=template} and - * {@code rewrite=true} options. - * </summary> - */ - ITokenStream TokenStream - { - get; - } - - /** <summary> - * What adaptor can tell me how to interpret/navigate nodes and - * trees. E.g., get text of a node. - * </summary> - */ - ITreeAdaptor TreeAdaptor - { - get; - } - - /** <summary> - * As we flatten the tree, we use {@link Token#UP}, {@link Token#DOWN} nodes - * to represent the tree structure. When debugging we need unique nodes so - * we have to instantiate new ones. When doing normal tree parsing, it's - * slow and a waste of memory to create unique navigation nodes. Default - * should be {@code false}. - * </summary> - */ - bool UniqueNavigationNodes - { - get; - set; - } - - /** <summary> - * Return the text of all nodes from {@code start} to {@code stop}, - * inclusive. If the stream does not buffer all the nodes then it can still - * walk recursively from start until stop. You can always return - * {@code null} or {@code ""} too, but users should not access - * {@code $ruleLabel.text} in an action of course in that case. - * </summary> - */ - string ToString( object start, object stop ); - - - #region REWRITING TREES (used by tree parser) - - /** <summary> - * Replace children of {@code parent} from index {@code startChildIndex} to - * {@code stopChildIndex} with {@code t}, which might be a list. Number of - * children may be different after this call. The stream is notified because - * it is walking the tree and might need to know you are monkeying with the - * underlying tree. Also, it might be able to modify the node stream to - * avoid restreaming for future phases. - * </summary> - * - * <remarks> - * If {@code parent} is {@code null}, don't do anything; must be at root of - * overall tree. Can't replace whatever points to the parent externally. Do - * nothing. - * </remarks> - */ - void ReplaceChildren( object parent, int startChildIndex, int stopChildIndex, object t ); - - #endregion - - } -} |