Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/SourceSection.java @ 9333:c485a44097b3
toString for SourceSection.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Fri, 26 Apr 2013 10:22:33 -0700 |
parents | 5054a206fcf0 |
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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. |
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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.truffle.api; |
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24 |
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25 /** |
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26 * Represents a section in the source code of a guest language program. |
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27 */ |
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28 public class SourceSection { |
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29 |
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30 private final Source source; |
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31 private final String identifier; |
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32 private final int startLine; |
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33 private final int startColumn; |
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34 private final int charIndex; |
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35 private final int charLength; |
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36 |
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37 /** |
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38 * Creates a new object representing a section in the source code of a guest language program. |
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39 * |
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40 * @param source object representing the source program this is should be a section of |
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41 * @param identifier an identifier used when printing the section |
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42 * @param startLine the index of the start line of the section |
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43 * @param startColumn the index of the start column of the section |
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44 * @param charIndex the index of the first character of the section |
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45 * @param charLength the length of the section in number of characters |
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46 */ |
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47 public SourceSection(Source source, String identifier, int startLine, int startColumn, int charIndex, int charLength) { |
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48 this.source = source; |
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49 this.identifier = identifier; |
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50 this.startLine = startLine; |
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51 this.startColumn = startColumn; |
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52 this.charIndex = charIndex; |
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53 this.charLength = charLength; |
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54 } |
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55 |
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56 /** |
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57 * Returns the source object representing the source program this is a section of. |
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58 * |
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59 * @return the source object |
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60 */ |
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61 public final Source getSource() { |
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62 return source; |
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63 } |
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64 |
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65 /** |
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66 * Returns the index of the start line of this source section (inclusive). |
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67 * |
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68 * @return the start line |
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69 */ |
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70 public final int getStartLine() { |
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71 return startLine; |
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72 } |
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73 |
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74 /** |
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75 * Returns the index of the start column of this source section (inclusive). |
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76 * |
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77 * @return the start column |
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78 */ |
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79 public final int getStartColumn() { |
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80 return startColumn; |
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81 } |
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82 |
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83 /** |
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84 * Returns the index of the first character of this section. All characters of the source can be |
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85 * retrieved via the {@link Source#getCode()} method. |
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86 * |
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87 * @return the character index |
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88 */ |
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89 public final int getCharIndex() { |
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90 return charIndex; |
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91 } |
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92 |
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93 /** |
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94 * Returns the length of this section in characters. All characters of the source can be |
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95 * retrieved via the {@link Source#getCode()} method. |
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96 * |
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97 * @return the character length |
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98 */ |
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99 public final int getCharLength() { |
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100 return charLength; |
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101 } |
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102 |
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103 /** |
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104 * Returns the identifier of this source section that is used for printing the section. |
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105 * |
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106 * @return the identifier of the section |
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107 */ |
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108 public final String getIdentifier() { |
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109 return identifier; |
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110 } |
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111 |
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112 /** |
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113 * Returns the code represented by this code section. |
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114 * |
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115 * @return the code as a String object |
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116 */ |
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117 public final String getCode() { |
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118 return getSource().getCode().substring(charIndex, charLength); |
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119 } |
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120 |
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121 @Override |
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122 public String toString() { |
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123 return String.format("%s:%d", source.getName(), startLine); |
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124 } |
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125 |
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126 } |