Mercurial > hg > truffle
diff graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/nodes/RecursionTestNode.java @ 21930:b09503284ac8
Limit inlining depth during partial evaluation to avoid StackOverflowError, provide useful error message instead
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Thu, 11 Jun 2015 16:20:13 -0700 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/nodes/RecursionTestNode.java Thu Jun 11 16:20:13 2015 -0700 @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2015, 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. + * + * 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 com.oracle.graal.truffle.test.nodes; + +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.api.nodes.*; + +@NodeInfo +public class RecursionTestNode extends AbstractTestNode { + + private final int depth; + + public RecursionTestNode(int depth) { + this.depth = depth; + } + + @Override + public int execute(VirtualFrame frame) { + return a(depth); + } + + private static int a(int depth) { + if (depth == 0) { + return 42; + } else { + return a(depth - 1); + } + } +}