Mercurial > hg > truffle
annotate graal/com.oracle.jvmci.code/src/com/oracle/jvmci/code/stack/InspectedFrame.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 27 May 2015 00:36:16 +0200 |
parents | graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/stack/InspectedFrame.java@f6ac86d3334e |
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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 |
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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 InspectedFrame { |
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28 |
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29 /** |
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30 * Returns the value of the local at the given index. Currently only works for object values. |
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31 * This value is a copy iff {@link #isVirtual(int)} is true. |
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32 */ |
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33 Object getLocal(int index); |
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34 |
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35 /** |
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36 * Returns whether the local at the given index is a virtual object, and therefore the object |
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37 * returned by {@link #getLocal(int)} is a copy. |
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38 */ |
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39 boolean isVirtual(int index); |
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40 |
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41 /** |
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42 * Returns true if the stack frame is a compiled stack frame and there are virtual objects |
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43 * anywhere in the current state of the compiled method. This can return true even if |
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44 * {@link #isVirtual(int)} return false for all locals. |
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45 */ |
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46 boolean hasVirtualObjects(); |
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47 |
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48 /** |
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49 * This method will materialize all virtual objects, deoptimize the stack frame and make sure |
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50 * that subsequent execution of the deoptimized frame uses the materialized values. |
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51 */ |
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52 void materializeVirtualObjects(boolean invalidateCode); |
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53 |
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54 /** |
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55 * @return the current bytecode index |
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56 */ |
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57 int getBytecodeIndex(); |
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58 |
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59 /** |
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60 * @return the current method |
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61 */ |
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62 ResolvedJavaMethod getMethod(); |
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63 |
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64 /** |
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65 * Checks if the current method is equal to the given method. This is semantically equivalent to |
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66 * {@code method.equals(getMethod())}, but can be implemented more efficiently. |
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67 */ |
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68 boolean isMethod(ResolvedJavaMethod method); |
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69 } |