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Issue 693183006: Revert "Move dart2js from sdk/lib/_internal/compiler to pkg/compiler" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 1 month ago
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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
3 // BSD-style license that can be found in the LICENSE file.
4
5 part of dart2js.mirrors;
6
7 //------------------------------------------------------------------------------
8 // Member mirrors implementation.
9 //------------------------------------------------------------------------------
10
11 abstract class Dart2JsMemberMirror extends Dart2JsElementMirror {
12
13 Dart2JsMemberMirror(Dart2JsMirrorSystem system, AstElement element)
14 : super(system, element);
15
16 bool get isStatic => false;
17 }
18
19
20 class Dart2JsMethodKind {
21 static const Dart2JsMethodKind REGULAR = const Dart2JsMethodKind("regular");
22 static const Dart2JsMethodKind GENERATIVE =
23 const Dart2JsMethodKind("generative");
24 static const Dart2JsMethodKind REDIRECTING =
25 const Dart2JsMethodKind("redirecting");
26 static const Dart2JsMethodKind CONST = const Dart2JsMethodKind("const");
27 static const Dart2JsMethodKind FACTORY = const Dart2JsMethodKind("factory");
28 static const Dart2JsMethodKind GETTER = const Dart2JsMethodKind("getter");
29 static const Dart2JsMethodKind SETTER = const Dart2JsMethodKind("setter");
30 static const Dart2JsMethodKind OPERATOR = const Dart2JsMethodKind("operator");
31
32 final String text;
33
34 const Dart2JsMethodKind(this.text);
35
36 String toString() => text;
37 }
38
39 class Dart2JsMethodMirror extends Dart2JsMemberMirror
40 implements MethodMirror {
41 final Dart2JsDeclarationMirror owner;
42 final String _simpleNameString;
43 final Dart2JsMethodKind _kind;
44
45 Dart2JsMethodMirror._internal(Dart2JsDeclarationMirror owner,
46 FunctionElement function,
47 String this._simpleNameString,
48 Dart2JsMethodKind this._kind)
49 : this.owner = owner,
50 super(owner.mirrorSystem, function);
51
52 factory Dart2JsMethodMirror(Dart2JsDeclarationMirror owner,
53 FunctionElement function) {
54 String simpleName = function.name;
55 // TODO(ahe): This method should not be calling
56 // Elements.operatorNameToIdentifier.
57 Dart2JsMethodKind kind;
58 if (function.kind == ElementKind.GETTER) {
59 kind = Dart2JsMethodKind.GETTER;
60 } else if (function.kind == ElementKind.SETTER) {
61 kind = Dart2JsMethodKind.SETTER;
62 simpleName = '$simpleName=';
63 } else if (function.kind == ElementKind.GENERATIVE_CONSTRUCTOR) {
64 // TODO(johnniwinther): Support detection of redirecting constructors.
65 if (function.isConst) {
66 kind = Dart2JsMethodKind.CONST;
67 } else {
68 kind = Dart2JsMethodKind.GENERATIVE;
69 }
70 } else if (function.isFactoryConstructor) {
71 // TODO(johnniwinther): Support detection of redirecting constructors.
72 kind = Dart2JsMethodKind.FACTORY;
73 } else if (function.isOperator) {
74 kind = Dart2JsMethodKind.OPERATOR;
75 } else {
76 kind = Dart2JsMethodKind.REGULAR;
77 }
78 return new Dart2JsMethodMirror._internal(owner, function,
79 simpleName, kind);
80 }
81
82 FunctionElement get _function => _element;
83
84 bool get isTopLevel => owner is LibraryMirror;
85
86 // TODO(johnniwinther): This seems stale and broken.
87 Symbol get constructorName => isConstructor ? simpleName : const Symbol('');
88
89 bool get isConstructor
90 => isGenerativeConstructor || isConstConstructor ||
91 isFactoryConstructor || isRedirectingConstructor;
92
93 bool get isSynthetic => false;
94
95 bool get isStatic => _function.isStatic;
96
97 List<ParameterMirror> get parameters {
98 return _parametersFromFunctionSignature(this,
99 _function.functionSignature);
100 }
101
102 TypeMirror get returnType => owner._getTypeMirror(
103 _function.functionSignature.type.returnType);
104
105 bool get isAbstract => _function.isAbstract;
106
107 bool get isRegularMethod => !(isGetter || isSetter || isConstructor);
108
109 bool get isConstConstructor => _kind == Dart2JsMethodKind.CONST;
110
111 bool get isGenerativeConstructor => _kind == Dart2JsMethodKind.GENERATIVE;
112
113 bool get isRedirectingConstructor => _kind == Dart2JsMethodKind.REDIRECTING;
114
115 bool get isFactoryConstructor => _kind == Dart2JsMethodKind.FACTORY;
116
117 bool get isGetter => _kind == Dart2JsMethodKind.GETTER;
118
119 bool get isSetter => _kind == Dart2JsMethodKind.SETTER;
120
121 bool get isOperator => _kind == Dart2JsMethodKind.OPERATOR;
122
123 DeclarationMirror lookupInScope(String name) {
124 for (Dart2JsParameterMirror parameter in parameters) {
125 if (parameter._element.name == name) {
126 return parameter;
127 }
128 }
129 return super.lookupInScope(name);
130 }
131
132 // TODO(johnniwinther): Should this really be in the interface of
133 // [MethodMirror]?
134 String get source => location.sourceText;
135
136 String toString() => 'Mirror on method ${_element.name}';
137 }
138
139 class Dart2JsFieldMirror extends Dart2JsMemberMirror implements VariableMirror {
140 final Dart2JsDeclarationMirror owner;
141 VariableElement _variable;
142
143 Dart2JsFieldMirror(Dart2JsDeclarationMirror owner,
144 VariableElement variable)
145 : this.owner = owner,
146 this._variable = variable,
147 super(owner.mirrorSystem, variable);
148
149 bool get isTopLevel => owner is LibraryMirror;
150
151 bool get isStatic => _variable.isStatic;
152
153 bool get isFinal => _variable.isFinal;
154
155 bool get isConst => _variable.isConst;
156
157 TypeMirror get type => owner._getTypeMirror(_variable.type);
158
159
160 }
161
162 class Dart2JsParameterMirror extends Dart2JsMemberMirror
163 implements ParameterMirror {
164 final Dart2JsDeclarationMirror owner;
165 final bool isOptional;
166 final bool isNamed;
167
168 factory Dart2JsParameterMirror(Dart2JsDeclarationMirror owner,
169 FormalElement element,
170 {bool isOptional: false,
171 bool isNamed: false}) {
172 if (element is InitializingFormalElement) {
173 return new Dart2JsFieldParameterMirror(
174 owner, element, isOptional, isNamed);
175 } else {
176 return new Dart2JsParameterMirror._normal(
177 owner, element, isOptional, isNamed);
178 }
179 }
180
181 Dart2JsParameterMirror._normal(Dart2JsDeclarationMirror owner,
182 FormalElement element,
183 this.isOptional,
184 this.isNamed)
185 : this.owner = owner,
186 super(owner.mirrorSystem, element);
187
188 FormalElement get _element => super._element;
189
190 TypeMirror get type => owner._getTypeMirror(_element.type);
191
192 bool get isFinal => false;
193
194 bool get isConst => false;
195
196 InstanceMirror get defaultValue {
197 if (hasDefaultValue) {
198 // TODO(johnniwinther): Get the constant from the [TreeElements]
199 // associated with the enclosing method.
200 ParameterElement parameter = _element;
201 ConstantExpression constant = mirrorSystem.compiler.constants
202 .getConstantForVariable(parameter);
203 assert(invariant(parameter, constant != null,
204 message: "Missing constant for parameter "
205 "$parameter with default value."));
206 return _convertConstantToInstanceMirror(mirrorSystem,
207 constant, constant.value);
208 }
209 return null;
210 }
211
212 bool get hasDefaultValue {
213 if (_element is ParameterElement) {
214 ParameterElement parameter = _element;
215 return parameter.initializer != null;
216 }
217 return false;
218 }
219
220 bool get isInitializingFormal => false;
221
222 VariableMirror get initializedField => null;
223 }
224
225 class Dart2JsFieldParameterMirror extends Dart2JsParameterMirror {
226
227 Dart2JsFieldParameterMirror(Dart2JsDeclarationMirror method,
228 InitializingFormalElement element,
229 bool isOptional,
230 bool isNamed)
231 : super._normal(method, element, isOptional, isNamed);
232
233 InitializingFormalElement get _fieldParameterElement => _element;
234
235 bool get isInitializingFormal => true;
236
237 VariableMirror get initializedField => new Dart2JsFieldMirror(
238 owner.owner, _fieldParameterElement.fieldElement);
239 }
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