nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/JumpToInlinedFinally.java
changeset 28690 78317797ab62
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/JumpToInlinedFinally.java	Wed Jan 28 17:58:08 2015 +0100
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.nashorn.internal.ir;
+
+import java.util.Objects;
+import jdk.nashorn.internal.codegen.Label;
+import jdk.nashorn.internal.ir.annotations.Immutable;
+import jdk.nashorn.internal.ir.visitor.NodeVisitor;
+
+/**
+ * IR representation for synthetic jump into an inlined finally statement.
+ */
+@Immutable
+public final class JumpToInlinedFinally extends JumpStatement {
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Constructor
+     *
+     * @param labelName  label name for inlined finally block
+     */
+    public JumpToInlinedFinally(final String labelName) {
+        super(NO_LINE_NUMBER, NO_TOKEN, NO_FINISH, Objects.requireNonNull(labelName));
+    }
+
+    private JumpToInlinedFinally(final JumpToInlinedFinally breakNode, final LocalVariableConversion conversion) {
+        super(breakNode, conversion);
+    }
+
+    @Override
+    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
+        if (visitor.enterJumpToInlinedFinally(this)) {
+            return visitor.leaveJumpToInlinedFinally(this);
+        }
+
+        return this;
+    }
+
+    @Override
+    JumpStatement createNewJumpStatement(final LocalVariableConversion conversion) {
+        return new JumpToInlinedFinally(this, conversion);
+    }
+
+    @Override
+    String getStatementName() {
+        return ":jumpToInlinedFinally";
+    }
+
+    @Override
+    public Block getTarget(final LexicalContext lc) {
+        return lc.getInlinedFinally(getLabelName());
+    }
+
+    @Override
+    public TryNode getPopScopeLimit(final LexicalContext lc) {
+        // Returns the try node to which this jump's target belongs. This will make scope popping also pop the scope
+        // for the body of the try block, if it needs scope.
+        return lc.getTryNodeForInlinedFinally(getLabelName());
+    }
+
+    @Override
+    Label getTargetLabel(final BreakableNode target) {
+        assert target != null;
+        // We're jumping to the entry of the inlined finally block
+        return ((Block)target).getEntryLabel();
+    }
+}