diff options
Diffstat (limited to 'runtime/CSharp3/Sources/Antlr3.Runtime/Tree/CommonTreeAdaptor.cs')
| -rw-r--r-- | runtime/CSharp3/Sources/Antlr3.Runtime/Tree/CommonTreeAdaptor.cs | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/CommonTreeAdaptor.cs b/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/CommonTreeAdaptor.cs deleted file mode 100644 index 18c7505..0000000 --- a/runtime/CSharp3/Sources/Antlr3.Runtime/Tree/CommonTreeAdaptor.cs +++ /dev/null @@ -1,112 +0,0 @@ -/* - * [The "BSD licence"] - * Copyright (c) 2011 Terence Parr - * All rights reserved. - * - * Conversion to C#: - * Copyright (c) 2011 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 TreeAdaptor that works with any Tree implementation. It provides - * really just factory methods; all the work is done by BaseTreeAdaptor. - * If you would like to have different tokens created than ClassicToken - * objects, you need to override this and then set the parser tree adaptor to - * use your subclass. - * </summary> - * - * <remarks> - * To get your parser to build nodes of a different type, override - * create(Token), errorNode(), and to be safe, YourTreeClass.dupNode(). - * dupNode is called to duplicate nodes during rewrite operations. - * </remarks> - */ - public class CommonTreeAdaptor : BaseTreeAdaptor - { - public override object Create( IToken payload ) - { - return new CommonTree( payload ); - } - - /** <summary> - * Tell me how to create a token for use with imaginary token nodes. - * For example, there is probably no input symbol associated with imaginary - * token DECL, but you need to create it as a payload or whatever for - * the DECL node as in ^(DECL type ID). - * </summary> - * - * <remarks> - * If you care what the token payload objects' type is, you should - * override this method and any other createToken variant. - * </remarks> - */ - public override IToken CreateToken( int tokenType, string text ) - { - return new CommonToken( tokenType, text ); - } - - /** <summary> - * Tell me how to create a token for use with imaginary token nodes. - * For example, there is probably no input symbol associated with imaginary - * token DECL, but you need to create it as a payload or whatever for - * the DECL node as in ^(DECL type ID). - * </summary> - * - * <remarks> - * This is a variant of createToken where the new token is derived from - * an actual real input token. Typically this is for converting '{' - * tokens to BLOCK etc... You'll see - * - * r : lc='{' ID+ '}' -> ^(BLOCK[$lc] ID+) ; - * - * If you care what the token payload objects' type is, you should - * override this method and any other createToken variant. - * </remarks> - */ - public override IToken CreateToken( IToken fromToken ) - { - return new CommonToken( fromToken ); - } - - /** <summary> - * What is the Token associated with this node? If - * you are not using CommonTree, then you must - * override this in your own adaptor. - * </summary> - */ - public override IToken GetToken( object t ) - { - if ( t is CommonTree ) - { - return ( (CommonTree)t ).Token; - } - return null; // no idea what to do - } - } -} |