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Side by Side Diff: tests/lib/mirrors/stringify.dart

Issue 154733003: Access to imports in the VM's runtime mirrors. Extend test coverage of the source mirrors. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: sync Created 6 years, 9 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 /// Helper methods for converting a [Mirror] to a [String]. 5 /// Helper methods for converting a [Mirror] to a [String].
6 library test.stringify; 6 library test.stringify;
7 7
8 import 'dart:mirrors'; 8 import 'dart:mirrors';
9 9
10 import 'package:expect/expect.dart'; 10 import 'package:expect/expect.dart';
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107 writeDeclarationOn(method, buffer); 107 writeDeclarationOn(method, buffer);
108 if (method.isAbstract) buffer.write(', abstract'); 108 if (method.isAbstract) buffer.write(', abstract');
109 if (method.isSynthetic) buffer.write(', synthetic'); 109 if (method.isSynthetic) buffer.write(', synthetic');
110 if (method.isStatic) buffer.write(', static'); 110 if (method.isStatic) buffer.write(', static');
111 if (method.isGetter) buffer.write(', getter'); 111 if (method.isGetter) buffer.write(', getter');
112 if (method.isSetter) buffer.write(', setter'); 112 if (method.isSetter) buffer.write(', setter');
113 if (method.isConstructor) buffer.write(', constructor'); 113 if (method.isConstructor) buffer.write(', constructor');
114 return 'Method($buffer)'; 114 return 'Method($buffer)';
115 } 115 }
116 116
117 stringifyDependencies(LibraryMirror l) {
118 n(s) => s is Symbol ? MirrorSystem.getName(s) : s;
119 compareDep(a, b) =>
120 n(a.targetLibrary.simpleName).compareTo(n(b.targetLibrary.simpleName));
121 compareCom(a, b) => n(a.identifier).compareTo(n(b.identifier));
122 compareFirst(a, b) => a[0].compareTo(b[0]);
123 sortBy(c, p) => new List.from(c)..sort(p);
124
125 var buffer = new StringBuffer();
126 sortBy(l.libraryDependencies, compareDep).forEach((dep) {
127 if (dep.isImport) buffer.write('import ');
128 if (dep.isExport) buffer.write('export ');
129 buffer.write(n(dep.targetLibrary.simpleName));
130 if (dep.prefix != null) buffer.write(' as ${n(dep.prefix)}');
131 buffer.write('\n');
132
133 List flattenedCombinators = new List();
134 dep.combinators.forEach((com) {
135 com.identifiers.forEach((ident) {
136 flattenedCombinators.add([n(ident), com.isShow, com.isHide]);
137 });
138 });
139 sortBy(flattenedCombinators, compareFirst).forEach((triple) {
140 buffer.write(' ');
141 if (triple[1]) buffer.write('show ');
142 if (triple[2]) buffer.write('hide ');
143 buffer.write(triple[0]);
144 buffer.write('\n');
145 });
146 });
147 return buffer.toString();
148 }
149
117 stringify(value) { 150 stringify(value) {
118 if (value is Map) return stringifyMap(value); 151 if (value is Map) return stringifyMap(value);
119 if (value is Iterable) return stringifyIterable(value); 152 if (value is Iterable) return stringifyIterable(value);
120 if (value is InstanceMirror) return stringifyInstance(value); 153 if (value is InstanceMirror) return stringifyInstance(value);
121 if (value is ParameterMirror) return stringifyParameter(value); 154 if (value is ParameterMirror) return stringifyParameter(value);
122 if (value is VariableMirror) return stringifyVariable(value); 155 if (value is VariableMirror) return stringifyVariable(value);
123 if (value is MethodMirror) return stringifyMethod(value); 156 if (value is MethodMirror) return stringifyMethod(value);
124 if (value is num) return value.toString(); 157 if (value is num) return value.toString();
125 if (value is String) return value; 158 if (value is String) return value;
126 if (value is Symbol) return stringifySymbol(value); 159 if (value is Symbol) return stringifySymbol(value);
127 if (value is ClassMirror) return stringifyClass(value); 160 if (value is ClassMirror) return stringifyClass(value);
128 if (value is TypeVariableMirror) return stringifyTypeVariable(value); 161 if (value is TypeVariableMirror) return stringifyTypeVariable(value);
129 if (value is TypeMirror) return stringifyType(value); 162 if (value is TypeMirror) return stringifyType(value);
130 if (value == null) return '<null>'; 163 if (value == null) return '<null>';
131 throw 'Unexpected value: $value'; 164 throw 'Unexpected value: $value';
132 } 165 }
133 166
134 expect(expected, actual, [String reason]) { 167 expect(expected, actual, [String reason]) {
135 Expect.stringEquals(expected, stringify(actual), reason); 168 Expect.stringEquals(expected, stringify(actual), reason);
136 } 169 }
137 170
138 compareSymbols(Symbol a, Symbol b) { 171 compareSymbols(Symbol a, Symbol b) {
139 return MirrorSystem.getName(a).compareTo(MirrorSystem.getName(b)); 172 return MirrorSystem.getName(a).compareTo(MirrorSystem.getName(b));
140 } 173 }
141 174
142 simpleNames(Iterable<Mirror> i) => i.map((e) => e.simpleName); 175 simpleNames(Iterable<Mirror> i) => i.map((e) => e.simpleName);
143 176
144 sort(Iterable<Symbol> symbols) => symbols.toList()..sort(compareSymbols); 177 sort(Iterable<Symbol> symbols) => symbols.toList()..sort(compareSymbols);
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