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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, 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 part of dart2js.js_emitter; | 5 part of dart2js.js_emitter; |
6 | 6 |
7 class ParameterStubGenerator { | 7 class ParameterStubGenerator { |
8 static final Set<Selector> emptySelectorSet = new Set<Selector>(); | 8 static final Set<Selector> emptySelectorSet = new Set<Selector>(); |
9 | 9 |
10 final Namer namer; | 10 final Namer namer; |
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91 } else { | 91 } else { |
92 int index = names.indexOf(element.name); | 92 int index = names.indexOf(element.name); |
93 if (index != -1) { | 93 if (index != -1) { |
94 indexOfLastOptionalArgumentInParameters = count; | 94 indexOfLastOptionalArgumentInParameters = count; |
95 // The order of the named arguments is not the same as the | 95 // The order of the named arguments is not the same as the |
96 // one in the real method (which is in Dart source order). | 96 // one in the real method (which is in Dart source order). |
97 argumentsBuffer[count] = js('#', jsName); | 97 argumentsBuffer[count] = js('#', jsName); |
98 parametersBuffer[optionalParameterStart + index] = | 98 parametersBuffer[optionalParameterStart + index] = |
99 new jsAst.Parameter(jsName); | 99 new jsAst.Parameter(jsName); |
100 } else { | 100 } else { |
101 ConstantValue value = handler.getConstantValueForVariable(element); | 101 ConstantValue value = handler.getConstantValue(element.constant); |
102 if (value == null) { | 102 if (value == null) { |
103 argumentsBuffer[count] = | 103 argumentsBuffer[count] = |
104 emitter.constantReference(new NullConstantValue()); | 104 emitter.constantReference(new NullConstantValue()); |
105 } else { | 105 } else { |
106 if (!value.isNull) { | 106 if (!value.isNull) { |
107 // If the value is the null constant, we should not pass it | 107 // If the value is the null constant, we should not pass it |
108 // down to the native method. | 108 // down to the native method. |
109 indexOfLastOptionalArgumentInParameters = count; | 109 indexOfLastOptionalArgumentInParameters = count; |
110 } | 110 } |
111 argumentsBuffer[count] = emitter.constantReference(value); | 111 argumentsBuffer[count] = emitter.constantReference(value); |
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274 generateParameterStub(member, selector, null); | 274 generateParameterStub(member, selector, null); |
275 if (stub != null) { | 275 if (stub != null) { |
276 stubs.add(stub); | 276 stubs.add(stub); |
277 } | 277 } |
278 } | 278 } |
279 } | 279 } |
280 | 280 |
281 return stubs; | 281 return stubs; |
282 } | 282 } |
283 } | 283 } |
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