Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/RescueClassesNode.java @ 13514:0fbee3eb71f0
Ruby: import project.
author | Chris Seaton <chris.seaton@oracle.com> |
---|---|
date | Mon, 06 Jan 2014 17:12:09 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/RescueClassesNode.java Mon Jan 06 17:12:09 2014 +0000 @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This + * code is released under a tri EPL/GPL/LGPL license. You can use it, + * redistribute it and/or modify it under the terms of the: + * + * Eclipse Public License version 1.0 + * GNU General Public License version 2 + * GNU Lesser General Public License version 2.1 + */ +package com.oracle.truffle.ruby.nodes.control; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.api.nodes.*; +import com.oracle.truffle.ruby.nodes.*; +import com.oracle.truffle.ruby.runtime.*; +import com.oracle.truffle.ruby.runtime.core.*; +import com.oracle.truffle.ruby.runtime.objects.*; + +/** + * Rescues any of a set of classes. + */ +@NodeInfo(shortName = "rescue-classes") +public class RescueClassesNode extends RescueNode { + + @Children final RubyNode[] handlingClassNodes; + + public RescueClassesNode(RubyContext context, SourceSection sourceSection, RubyNode[] handlingClassNodes, RubyNode body) { + super(context, sourceSection, body); + this.handlingClassNodes = adoptChildren(handlingClassNodes); + } + + @ExplodeLoop + @Override + public boolean canHandle(VirtualFrame frame, RubyBasicObject exception) { + final RubyClass exceptionRubyClass = exception.getRubyClass(); + + for (RubyNode handlingClassNode : handlingClassNodes) { + // TODO(CS): what if we don't get a class? + + final RubyClass handlingClass = (RubyClass) handlingClassNode.execute(frame); + + if (exceptionRubyClass.assignableTo(handlingClass)) { + return true; + } + } + + return false; + } +}