Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/IfNode.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/IfNode.java Mon Jan 06 17:12:09 2014 +0000 @@ -0,0 +1,52 @@ +/* + * 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.api.utilities.*; +import com.oracle.truffle.ruby.nodes.*; +import com.oracle.truffle.ruby.nodes.cast.*; +import com.oracle.truffle.ruby.runtime.*; + +/** + * Represents a Ruby {@code if} expression. Note that in this representation we always have an + * {@code else} part. + */ +@NodeInfo(shortName = "if") +public class IfNode extends RubyNode { + + @Child protected BooleanCastNode condition; + @Child protected RubyNode thenBody; + @Child protected RubyNode elseBody; + + private final BranchProfile thenProfile = new BranchProfile(); + private final BranchProfile elseProfile = new BranchProfile(); + + public IfNode(RubyContext context, SourceSection sourceSection, BooleanCastNode condition, RubyNode thenBody, RubyNode elseBody) { + super(context, sourceSection); + this.condition = adoptChild(condition); + this.thenBody = adoptChild(thenBody); + this.elseBody = adoptChild(elseBody); + } + + @Override + public Object execute(VirtualFrame frame) { + if (condition.executeBoolean(frame)) { + thenProfile.enter(); + return thenBody.execute(frame); + } else { + elseProfile.enter(); + return elseBody.execute(frame); + } + } + +}