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Issue 17759007: First pass at asynchronous input loading in dart2js. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Remove withCurrentElementAsync Created 7 years, 4 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 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 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 library compiler; 5 library compiler;
6 6
7 import 'dart:async'; 7 import 'dart:async';
8 import 'implementation/apiimpl.dart'; 8 import 'implementation/apiimpl.dart';
9 9
10 // Unless explicitly allowed, passing [:null:] for any argument to the 10 // Unless explicitly allowed, passing [:null:] for any argument to the
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85 throw new ArgumentError("packageRoot must end with a /"); 85 throw new ArgumentError("packageRoot must end with a /");
86 } 86 }
87 // TODO(ahe): Consider completing the future with an exception if 87 // TODO(ahe): Consider completing the future with an exception if
88 // code is null. 88 // code is null.
89 Compiler compiler = new Compiler(inputProvider, 89 Compiler compiler = new Compiler(inputProvider,
90 outputProvider, 90 outputProvider,
91 handler, 91 handler,
92 libraryRoot, 92 libraryRoot,
93 packageRoot, 93 packageRoot,
94 options); 94 options);
95 compiler.run(script); 95 // TODO(ahe): Use the value of the future (which signals success or failure).
96 String code = compiler.assembledCode; 96 return compiler.run(script).then((_) {
97 if (code != null && outputProvider != null) { 97 String code = compiler.assembledCode;
98 String outputType = 'js'; 98 if (code != null && outputProvider != null) {
99 if (options.contains('--output-type=dart')) { 99 String outputType = 'js';
100 outputType = 'dart'; 100 if (options.contains('--output-type=dart')) {
101 outputType = 'dart';
102 }
103 outputProvider('', outputType)
104 ..add(code)
105 ..close();
106 code = ''; // Non-null signals success.
101 } 107 }
102 outputProvider('', outputType) 108 return code;
103 ..add(code) 109 });
104 ..close();
105 code = ''; // Non-null signals success.
106 }
107 return new Future.value(code);
108 } 110 }
109 111
110 /** 112 /**
111 * Kind of diagnostics that the compiler can report. 113 * Kind of diagnostics that the compiler can report.
112 */ 114 */
113 class Diagnostic { 115 class Diagnostic {
114 /** 116 /**
115 * An error as identified by the "Dart Programming Language 117 * An error as identified by the "Dart Programming Language
116 * Specification" [http://www.dartlang.org/docs/spec/]. 118 * Specification" [http://www.dartlang.org/docs/spec/].
117 * 119 *
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167 final String name; 169 final String name;
168 170
169 /** 171 /**
170 * This constructor is not private to support user-defined 172 * This constructor is not private to support user-defined
171 * diagnostic kinds. 173 * diagnostic kinds.
172 */ 174 */
173 const Diagnostic(this.ordinal, this.name); 175 const Diagnostic(this.ordinal, this.name);
174 176
175 String toString() => name; 177 String toString() => name;
176 } 178 }
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