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Issue 10870066: Support unary - operator. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix unparser to handle that negate is no longer a keyword. Created 8 years, 3 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 const Keyword BREAK = const Keyword("break"); 9 static const Keyword BREAK = const Keyword("break");
10 static const Keyword CASE = const Keyword("case"); 10 static const Keyword CASE = const Keyword("case");
(...skipping 30 matching lines...) Expand all
41 static const Keyword AS = const Keyword("as", info: AS_INFO, isPseudo: true); 41 static const Keyword AS = const Keyword("as", info: AS_INFO, isPseudo: true);
42 static const Keyword ASSERT = const Keyword("assert", isPseudo: true); 42 static const Keyword ASSERT = const Keyword("assert", isPseudo: true);
43 static const Keyword EXTERNAL = const Keyword("external", isPseudo: true); 43 static const Keyword EXTERNAL = const Keyword("external", isPseudo: true);
44 static const Keyword FACTORY = const Keyword("factory", isPseudo: true); 44 static const Keyword FACTORY = const Keyword("factory", isPseudo: true);
45 static const Keyword GET = const Keyword("get", isPseudo: true); 45 static const Keyword GET = const Keyword("get", isPseudo: true);
46 static const Keyword IMPLEMENTS = const Keyword("implements", isPseudo: true); 46 static const Keyword IMPLEMENTS = const Keyword("implements", isPseudo: true);
47 static const Keyword IMPORT = const Keyword("import", isPseudo: true); 47 static const Keyword IMPORT = const Keyword("import", isPseudo: true);
48 static const Keyword INTERFACE = const Keyword("interface", isPseudo: true); 48 static const Keyword INTERFACE = const Keyword("interface", isPseudo: true);
49 static const Keyword LIBRARY = const Keyword("library", isPseudo: true); 49 static const Keyword LIBRARY = const Keyword("library", isPseudo: true);
50 static const Keyword NATIVE = const Keyword("native", isPseudo: true); 50 static const Keyword NATIVE = const Keyword("native", isPseudo: true);
51 static const Keyword NEGATE = const Keyword("negate", isPseudo: true);
52 static const Keyword OPERATOR = const Keyword("operator", isPseudo: true); 51 static const Keyword OPERATOR = const Keyword("operator", isPseudo: true);
53 static const Keyword ON = const Keyword("on", isPseudo: true); 52 static const Keyword ON = const Keyword("on", isPseudo: true);
54 static const Keyword SET = const Keyword("set", isPseudo: true); 53 static const Keyword SET = const Keyword("set", isPseudo: true);
55 static const Keyword SOURCE = const Keyword("source", isPseudo: true); 54 static const Keyword SOURCE = const Keyword("source", isPseudo: true);
56 static const Keyword STATIC = const Keyword("static", isPseudo: true); 55 static const Keyword STATIC = const Keyword("static", isPseudo: true);
57 static const Keyword TYPEDEF = const Keyword("typedef", isPseudo: true); 56 static const Keyword TYPEDEF = const Keyword("typedef", isPseudo: true);
58 57
59 static const List<Keyword> values = const <Keyword> [ 58 static const List<Keyword> values = const <Keyword> [
60 AS, 59 AS,
61 BREAK, 60 BREAK,
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90 CLASS, 89 CLASS,
91 EXTENDS, 90 EXTENDS,
92 EXTERNAL, 91 EXTERNAL,
93 FACTORY, 92 FACTORY,
94 GET, 93 GET,
95 IMPLEMENTS, 94 IMPLEMENTS,
96 IMPORT, 95 IMPORT,
97 INTERFACE, 96 INTERFACE,
98 LIBRARY, 97 LIBRARY,
99 NATIVE, 98 NATIVE,
100 NEGATE,
101 OPERATOR, 99 OPERATOR,
102 ON, 100 ON,
103 SET, 101 SET,
104 SOURCE, 102 SOURCE,
105 STATIC, 103 STATIC,
106 TYPEDEF ]; 104 TYPEDEF ];
107 105
108 final String syntax; 106 final String syntax;
109 final bool isPseudo; 107 final bool isPseudo;
110 final PrecedenceInfo info; 108 final PrecedenceInfo info;
(...skipping 146 matching lines...) Expand 10 before | Expand all | Expand 10 after
257 final Keyword keyword; 255 final Keyword keyword;
258 256
259 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax]; 257 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax];
260 258
261 bool isLeaf() => true; 259 bool isLeaf() => true;
262 260
263 KeywordState next(int c) => null; 261 KeywordState next(int c) => null;
264 262
265 String toString() => keyword.syntax; 263 String toString() => keyword.syntax;
266 } 264 }
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