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      1 /*
      2  * [The "BSD license"]
      3  * Copyright (c) 2007-2008 Johannes Luber
      4  * Copyright (c) 2005-2007 Kunle Odutola
      5  * Copyright (c) 2005 Terence Parr
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. The name of the author may not be used to endorse or promote products
     17  *    derived from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /** Template overrides to add debugging to AST stuff.  Dynamic inheritance
     32  *  hierarchy is set up as ASTDbg : AST : Dbg : Java by code generator.
     33  */
     34 
     35 parserMembers() ::= <<
     36 protected DebugTreeAdaptor adaptor;
     37 
     38 public ITreeAdaptor TreeAdaptor
     39 {
     40 	get
     41 	{
     42 		return adaptor;
     43 	}
     44 	set
     45 	{
     46 <if(grammar.grammarIsRoot)>
     47 		this.adaptor = new DebugTreeAdaptor(dbg,adaptor);
     48 <else>
     49 		this.adaptor = (DebugTreeAdaptor)adaptor; // delegator sends dbg adaptor
     50 <endif><\n>
     51 		<grammar.directDelegates:{g|<g:delegateName()>.TreeAdaptor = this.adaptor;}>
     52 	}
     53 }<\n>
     54 >>
     55 
     56 parserCtorBody() ::= <<
     57 <super.parserCtorBody()>
     58 >>
     59 
     60 createListenerAndHandshake() ::= <<
     61 DebugEventSocketProxy proxy = new DebugEventSocketProxy( this, port, <if(TREE_PARSER)>input.TreeAdaptor<else>adaptor<endif> );
     62 DebugListener = proxy;
     63 <inputStreamType> = new Debug<inputStreamType>( input, proxy );
     64 try
     65 {
     66 	proxy.Handshake();
     67 }
     68 catch ( IOException ioe )
     69 {
     70 	ReportError( ioe );
     71 }
     72 >>
     73 
     74 @ctorForRootGrammar.finally() ::= <<
     75 ITreeAdaptor adap = new CommonTreeAdaptor();
     76 TreeAdaptor = adap;
     77 proxy.TreeAdaptor = adap;
     78 >>
     79 
     80 @ctorForProfilingRootGrammar.finally() ::=<<
     81 ITreeAdaptor adap = new CommonTreeAdaptor();
     82 TreeAdaptor = adap;
     83 >>
     84 
     85 @ctorForPredefinedListener.superClassRef() ::= ": base( input, dbg )"
     86 
     87 @ctorForPredefinedListener.finally() ::=<<
     88 <if(grammar.grammarIsRoot)><! don't create new adaptor for delegates !>
     89 ITreeAdaptor adap = new CommonTreeAdaptor();
     90 TreeAdaptor = adap;<\n>
     91 <endif>
     92 >>
     93 
     94 //@rewriteElement.pregen() ::= "dbg.Location( <e.line>, <e.pos> );"
     95