Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.tools.debug.engine/src/com/oracle/truffle/tools/debug/engine/FrameDebugDescription.java @ 21568:3b8bbf51d320
Truffle/Debugging: add the Truffle DebugEngine and supporting code, as well as add a crude command-line debugging tool used mainly to test the DebugEngine. Migrate the small tols out of project com.oracle.truffle.api into the new project com.oracle.truffle.tools.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
---|---|
date | Tue, 26 May 2015 16:38:13 -0700 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.tools.debug.engine/src/com/oracle/truffle/tools/debug/engine/FrameDebugDescription.java Tue May 26 16:38:13 2015 -0700 @@ -0,0 +1,67 @@ +/* + * 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 com.oracle.truffle.tools.debug.engine; + +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.api.nodes.*; + +/** + * A summary description of a Truffle {@link Frame} in a particular stack context. + * + * @see DebugEngine + */ +public final class FrameDebugDescription { + + private final int index; + private final Node node; + private final FrameInstance frameInstance; + + FrameDebugDescription(int index, Node node, FrameInstance frameInstance) { + this.index = index; + this.node = node; + this.frameInstance = frameInstance; + } + + /** + * Position in the current stack: {@code 0} at the top. + */ + public int index() { + return index; + } + + /** + * AST location. + */ + public Node node() { + return node; + } + + /** + * Access to the Truffle {@link Frame}. + */ + public FrameInstance frameInstance() { + return frameInstance; + } +}