Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/utilities/JSONHelper.java @ 16153:e8eeee2176ff
fix JSON output format
author | Christian Wirth <christian.wirth@oracle.com> |
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date | Fri, 20 Jun 2014 15:25:07 +0200 |
parents | da0847068801 |
children | 0e092c1ecd64 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, 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.utilities; |
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26 |
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27 import com.oracle.truffle.api.nodes.*; |
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28 import com.oracle.truffle.api.source.*; |
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29 |
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30 /** |
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31 * Helper function that allows to dump the AST during creation to a JSON format. |
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32 */ |
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33 public class JSONHelper { |
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34 |
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35 private static StringBuilder AstJsonDumpBuilder = new StringBuilder(); |
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36 |
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37 public static void dumpNewChild(Node parentNode, Node childNode) { |
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38 if (AstJsonDumpBuilder != null) { |
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39 AstJsonDumpBuilder.append("{ \"action\": \"insertNode\", \"parentId\": \"" + getID(parentNode) + "\", \"newId\": \"" + getID(childNode) + "\" },\n"); |
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40 } |
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41 } |
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42 |
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43 public static void dumpReplaceChild(Node oldNode, Node newNode, CharSequence reason) { |
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44 if (AstJsonDumpBuilder != null) { |
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45 AstJsonDumpBuilder.append("{ \"action\": \"replaceNode\", \"oldId\": \"" + getID(oldNode) + "\", \"newId\": \"" + getID(newNode) + "\", \"reason\": " + quote(reason) + " },\n"); |
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46 } |
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47 } |
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48 |
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49 public static void dumpNewNode(Node newNode) { |
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50 if (AstJsonDumpBuilder != null) { |
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51 AstJsonDumpBuilder.append("{ \"action\": \"createNode\", \"newId\": \"" + getID(newNode) + "\", \"type\": \"" + getType(newNode) + "\", \"description\": \"" + newNode.getDescription() + |
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52 "\", \"language\": \"" + newNode.getLanguage() + "\"" + getSourceSectionInfo(newNode) + " },\n"); |
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53 } |
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54 } |
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55 |
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56 private static String getSourceSectionInfo(Node newNode) { |
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57 SourceSection sourceSection = newNode.getSourceSection(); |
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58 if (sourceSection != null) { |
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59 return ", \"identifier\": \"" + sourceSection.getIdentifier() + "\" "; |
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60 } else { |
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61 return ""; |
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62 } |
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63 } |
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64 |
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65 public static String getResult() { |
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66 return AstJsonDumpBuilder.toString(); |
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67 } |
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68 |
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69 private static String getID(Node newChild) { |
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70 return String.valueOf(newChild.hashCode()); |
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71 } |
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72 |
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73 private static String getType(Node node) { |
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74 return node.getClass().getSimpleName(); |
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75 } |
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76 |
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77 private static String quote(CharSequence value) { |
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78 StringBuilder builder = new StringBuilder(value.length() + 2); |
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79 builder.append('"'); |
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80 for (int i = 0; i < value.length(); i++) { |
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81 char c = value.charAt(i); |
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82 switch (c) { |
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83 case '"': |
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84 builder.append("\\\""); |
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85 break; |
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86 case '\\': |
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87 builder.append("\\\\"); |
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88 break; |
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89 case '\b': |
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90 builder.append("\\b"); |
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91 break; |
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92 case '\f': |
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93 builder.append("\\f"); |
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94 break; |
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95 case '\n': |
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96 builder.append("\\n"); |
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97 break; |
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98 case '\r': |
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99 builder.append("\\r"); |
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100 break; |
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101 case '\t': |
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102 builder.append("\\t"); |
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103 break; |
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104 default: { |
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105 if (c < ' ') { |
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106 builder.append("\\u00"); |
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107 builder.append(Character.forDigit((c >> 4) & 0xF, 16)); |
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108 builder.append(Character.forDigit(c & 0xF, 16)); |
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109 } else { |
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110 builder.append(c); |
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111 } |
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112 } |
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113 } |
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114 } |
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115 builder.append('"'); |
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116 return builder.toString(); |
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117 } |
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118 |
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119 public static void restart() { |
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120 AstJsonDumpBuilder = new StringBuilder(); |
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121 } |
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fix line endings, add description and language to node info
Christian Wirth <christian.wirth@oracle.com>
parents:
16151
diff
changeset
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122 } |