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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/Visualizer.java @ 20131:4b12d5355811
Truffle: do not use iterators for visitors.
author | Christian Humer <christian.humer@gmail.com> |
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date | Thu, 02 Apr 2015 01:27:27 +0200 |
parents | ef30b2318658 |
children | 894f82515e38 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2014, 2015, 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. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package com.oracle.truffle.api.instrument; |
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26 |
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27 import com.oracle.truffle.api.*; |
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28 import com.oracle.truffle.api.frame.*; |
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29 import com.oracle.truffle.api.nodes.*; |
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30 |
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31 /** |
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32 * Visualization services for the benefit of instrumentation-based tools, possibly specialized for |
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33 * each guest language and possibly specialized for relevant information from the underlying Truffle |
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34 * implementation. |
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35 * <p> |
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36 * <strong>Disclaimer:</strong> experimental interface under development. |
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37 */ |
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38 public interface Visualizer { |
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39 |
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40 // TODO (mlvdv) "Visualizer" is misleading: rename. |
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41 /** |
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42 * Gets a printer for Truffle ASTs, possibly specialized to be helpful for a specific guest |
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43 * language implementation. |
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44 */ |
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45 ASTPrinter getASTPrinter(); |
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46 |
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47 /** |
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48 * A short description of a source location in terms of source + line number. |
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49 */ |
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50 String displaySourceLocation(Node node); |
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51 |
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52 /** |
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53 * Describes the name of the method containing a node. |
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54 */ |
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55 String displayMethodName(Node node); |
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56 |
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57 /** |
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58 * The name of the method. |
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59 */ |
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60 String displayCallTargetName(CallTarget callTarget); |
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61 |
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62 /** |
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63 * Converts a value in the guest language to a display string. If |
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64 * |
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65 * @param trim if {@code > 0}, them limit size of String to either the value of trim or the |
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66 * number of characters in the first line, whichever is lower. |
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67 */ |
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68 String displayValue(ExecutionContext context, Object value, int trim); |
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69 |
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70 /** |
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71 * Converts a slot identifier in the guest language to a display string. |
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72 */ |
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73 String displayIdentifier(FrameSlot slot); |
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74 |
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75 } |