001 package railo.transformer.cfml.evaluator.impl; 002 003 import railo.transformer.bytecode.Statement; 004 import railo.transformer.bytecode.statement.TryCatchFinally; 005 import railo.transformer.bytecode.statement.tag.Tag; 006 import railo.transformer.cfml.evaluator.EvaluatorException; 007 import railo.transformer.cfml.evaluator.EvaluatorSupport; 008 import railo.transformer.library.tag.TagLib; 009 import railo.transformer.library.tag.TagLibTag; 010 011 012 013 /** 014 * Prueft den Kontext des Tag break. 015 * Das Tag <code>break</code> darf nur innerhalb des Tag <code>loop, while, foreach</code> liegen. 016 */ 017 public final class Retry extends EvaluatorSupport { 018 019 020 /** 021 * @see railo.transformer.cfml.evaluator.EvaluatorSupport#evaluate(org.w3c.dom.Element, railo.transformer.library.tag.TagLibTag) 022 */ 023 public void evaluate(Tag tag,TagLibTag libTag) throws EvaluatorException { 024 String ns=libTag.getTagLib().getNameSpaceAndSeparator(); 025 String name=ns+"catch"; 026 027 if(getAncestorCatch(libTag.getTagLib(),tag)==null) 028 throw new EvaluatorException("Wrong Context, tag "+libTag.getFullName()+" must be inside a "+name+" tag"); 029 } 030 031 public static Statement getAncestorCatch(TagLib tagLib, Statement stat) { 032 String name=tagLib.getNameSpaceAndSeparator()+"catch"; 033 Tag tag; 034 Statement parent=stat; 035 while(true) { 036 parent=parent.getParent(); 037 if(parent==null)return null; 038 if(parent instanceof Tag) { 039 tag=(Tag) parent; 040 if(tag.getFullname().equalsIgnoreCase(name)) 041 return tag; 042 } 043 else if(parent instanceof TryCatchFinally) 044 return parent; 045 } 046 } 047 048 }