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Side by Side Diff: dart/lib/compiler/implementation/scanner/keyword.dart

Issue 10857013: Support for new catch syntax in dart2js (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebased Created 8 years, 4 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, 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 /** 5 /**
6 * A keyword in the Dart programming language. 6 * A keyword in the Dart programming language.
7 */ 7 */
8 class Keyword implements SourceString { 8 class Keyword implements SourceString {
9 static final Keyword BREAK = const Keyword("break"); 9 static final Keyword BREAK = const Keyword("break");
10 static final Keyword CASE = const Keyword("case"); 10 static final Keyword CASE = const Keyword("case");
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43 static final Keyword EXTERNAL = const Keyword("external", isPseudo: true); 43 static final Keyword EXTERNAL = const Keyword("external", isPseudo: true);
44 static final Keyword FACTORY = const Keyword("factory", isPseudo: true); 44 static final Keyword FACTORY = const Keyword("factory", isPseudo: true);
45 static final Keyword GET = const Keyword("get", isPseudo: true); 45 static final Keyword GET = const Keyword("get", isPseudo: true);
46 static final Keyword IMPLEMENTS = const Keyword("implements", isPseudo: true); 46 static final Keyword IMPLEMENTS = const Keyword("implements", isPseudo: true);
47 static final Keyword IMPORT = const Keyword("import", isPseudo: true); 47 static final Keyword IMPORT = const Keyword("import", isPseudo: true);
48 static final Keyword INTERFACE = const Keyword("interface", isPseudo: true); 48 static final Keyword INTERFACE = const Keyword("interface", isPseudo: true);
49 static final Keyword LIBRARY = const Keyword("library", isPseudo: true); 49 static final Keyword LIBRARY = const Keyword("library", isPseudo: true);
50 static final Keyword NATIVE = const Keyword("native", isPseudo: true); 50 static final Keyword NATIVE = const Keyword("native", isPseudo: true);
51 static final Keyword NEGATE = const Keyword("negate", isPseudo: true); 51 static final Keyword NEGATE = const Keyword("negate", isPseudo: true);
52 static final Keyword OPERATOR = const Keyword("operator", isPseudo: true); 52 static final Keyword OPERATOR = const Keyword("operator", isPseudo: true);
53 static final Keyword ON = const Keyword("on", isPseudo: true);
53 static final Keyword SET = const Keyword("set", isPseudo: true); 54 static final Keyword SET = const Keyword("set", isPseudo: true);
54 static final Keyword SOURCE = const Keyword("source", isPseudo: true); 55 static final Keyword SOURCE = const Keyword("source", isPseudo: true);
55 static final Keyword STATIC = const Keyword("static", isPseudo: true); 56 static final Keyword STATIC = const Keyword("static", isPseudo: true);
56 static final Keyword TYPEDEF = const Keyword("typedef", isPseudo: true); 57 static final Keyword TYPEDEF = const Keyword("typedef", isPseudo: true);
57 58
58 static final List<Keyword> values = const <Keyword> [ 59 static final List<Keyword> values = const <Keyword> [
59 AS, 60 AS,
60 BREAK, 61 BREAK,
61 CASE, 62 CASE,
62 CATCH, 63 CATCH,
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91 EXTERNAL, 92 EXTERNAL,
92 FACTORY, 93 FACTORY,
93 GET, 94 GET,
94 IMPLEMENTS, 95 IMPLEMENTS,
95 IMPORT, 96 IMPORT,
96 INTERFACE, 97 INTERFACE,
97 LIBRARY, 98 LIBRARY,
98 NATIVE, 99 NATIVE,
99 NEGATE, 100 NEGATE,
100 OPERATOR, 101 OPERATOR,
102 ON,
101 SET, 103 SET,
102 SOURCE, 104 SOURCE,
103 STATIC, 105 STATIC,
104 TYPEDEF ]; 106 TYPEDEF ];
105 107
106 final String syntax; 108 final String syntax;
107 final bool isPseudo; 109 final bool isPseudo;
108 final PrecedenceInfo info; 110 final PrecedenceInfo info;
109 111
110 static Map<String, Keyword> _keywords; 112 static Map<String, Keyword> _keywords;
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255 final Keyword keyword; 257 final Keyword keyword;
256 258
257 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax]; 259 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax];
258 260
259 bool isLeaf() => true; 261 bool isLeaf() => true;
260 262
261 KeywordState next(int c) => null; 263 KeywordState next(int c) => null;
262 264
263 String toString() => keyword.syntax; 265 String toString() => keyword.syntax;
264 } 266 }
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