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annotate graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/stack/StackIntrospection.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/stack/StackIntrospection.java@f6ac86d3334e
children
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
36e1a11a72b3 new StackIntrospection interface to allow access to stack contents
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.jvmci.code.stack;
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24
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25 import com.oracle.jvmci.meta.ResolvedJavaMethod;
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26
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27 public interface StackIntrospection {
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28
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29 /**
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30 * Accesses the current stack, providing {@link InspectedFrame}s to the visitor that can be used
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31 * to inspect the stack frames' contents. Iteration continues as long as
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32 * {@link InspectedFrameVisitor#visitFrame}, which is invoked for every {@link InspectedFrame},
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33 * returns null. Any non-null result of the visitor indicates that frame iteration should stop.
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34 *
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35 * @param initialMethods if this is non-{@code null}, then the stack trace will start at these
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36 * methods
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37 * @param matchingMethods if this is non-{@code null}, then only matching stack frames are
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38 * returned
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39 * @param initialSkip the number of matching methods to skip (including the initial method)
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40 * @param visitor the visitor that is called for every matching method
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41 * @return the last result returned by the visitor (which is non-null to indicate that iteration
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42 * should stop), or null if the whole stack was iterated.
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43 */
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44 <T> T iterateFrames(ResolvedJavaMethod[] initialMethods, ResolvedJavaMethod[] matchingMethods, int initialSkip, InspectedFrameVisitor<T> visitor);
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45 }