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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 #library('mirrors.util'); | |
| 6 | |
| 7 #import('mirrors.dart'); | |
| 8 #import('../../../lib/compiler/implementation/util/characters.dart'); | |
| 9 | |
| 10 //------------------------------------------------------------------------------ | |
| 11 // Utility functions for using the Mirror API | |
| 12 //------------------------------------------------------------------------------ | |
| 13 | |
| 14 /** | |
| 15 * Returns an iterable over the type declarations directly inheriting from | |
| 16 * the declaration of this type. | |
| 17 */ | |
| 18 Iterable<InterfaceMirror> computeSubdeclarations(InterfaceMirror type) { | |
| 19 type = type.declaration; | |
| 20 var subtypes = <InterfaceMirror>[]; | |
| 21 type.system.libraries.forEach((_, library) { | |
| 22 for (InterfaceMirror otherType in library.types.getValues()) { | |
| 23 var superClass = otherType.superclass; | |
| 24 if (superClass !== null) { | |
| 25 superClass = superClass.declaration; | |
| 26 if (type.library === superClass.library) { | |
| 27 if (superClass == type) { | |
| 28 subtypes.add(otherType); | |
| 29 } | |
| 30 } | |
| 31 } | |
| 32 final superInterfaces = otherType.interfaces.getValues(); | |
| 33 for (InterfaceMirror superInterface in superInterfaces) { | |
| 34 superInterface = superInterface.declaration; | |
| 35 if (type.library === superInterface.library) { | |
| 36 if (superInterface == type) { | |
| 37 subtypes.add(otherType); | |
| 38 } | |
| 39 } | |
| 40 } | |
| 41 } | |
| 42 }); | |
| 43 return subtypes; | |
| 44 } | |
| 45 | |
| 46 /** | |
| 47 * Finds the mirror in [map] by the simple name [name]. If [constructorName] or | |
| 48 * [operatorName] is provided, a constructor/operator method by that name is | |
| 49 * returned. | |
| 50 */ | |
| 51 Mirror findMirror(Map<Object,Mirror> map, String name, | |
| 52 [String constructorName, String operatorName]) { | |
| 53 var foundMirror = null; | |
| 54 map.forEach((_, Mirror mirror) { | |
| 55 if (mirror.simpleName == name) { | |
| 56 if (constructorName !== null) { | |
| 57 if (mirror is MethodMirror && | |
| 58 constructorName == mirror.constructorName) { | |
| 59 foundMirror = mirror; | |
| 60 } | |
| 61 } else if (operatorName !== null) { | |
| 62 if (mirror is MethodMirror && | |
| 63 operatorName == mirror.operatorName) { | |
| 64 foundMirror = mirror; | |
| 65 } | |
| 66 } else { | |
| 67 foundMirror = mirror; | |
| 68 } | |
| 69 } | |
| 70 }); | |
| 71 return foundMirror; | |
| 72 } | |
| 73 | |
| 74 LibraryMirror findLibrary(MemberMirror member) { | |
| 75 ObjectMirror owner = member.surroundingDeclaration; | |
| 76 if (owner is LibraryMirror) { | |
| 77 return owner; | |
| 78 } else if (owner is TypeMirror) { | |
| 79 return owner.library; | |
| 80 } | |
| 81 throw new Exception('Unexpected owner: ${owner}'); | |
| 82 } | |
| 83 | |
| 84 | |
| 85 /** | |
| 86 * Returns the column of the start of a location. | |
| 87 */ | |
| 88 int getLocationColumn(Location location) { | |
| 89 String text = location.source.text; | |
| 90 int index = location.start-1; | |
| 91 var column = 0; | |
| 92 while (0 <= index && index < text.length) { | |
| 93 var charCode = text.charCodeAt(index); | |
| 94 if (charCode == $CR || charCode == $LF) { | |
| 95 break; | |
| 96 } | |
| 97 index--; | |
| 98 column++; | |
| 99 } | |
| 100 return column; | |
| 101 } | |
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Chromium Code Reviews
Issue 10919260:
Reorganize dartdoc to new package layout. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart