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Issue 8953025: Promote "class" and "extends" to keywords (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years 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");
11 static final Keyword CATCH = const Keyword("catch"); 11 static final Keyword CATCH = const Keyword("catch");
12 static final Keyword CLASS = const Keyword("class");
12 static final Keyword CONST = const Keyword("const"); 13 static final Keyword CONST = const Keyword("const");
13 static final Keyword CONTINUE = const Keyword("continue"); 14 static final Keyword CONTINUE = const Keyword("continue");
14 static final Keyword DEFAULT = const Keyword("default"); 15 static final Keyword DEFAULT = const Keyword("default");
15 static final Keyword DO = const Keyword("do"); 16 static final Keyword DO = const Keyword("do");
16 static final Keyword ELSE = const Keyword("else"); 17 static final Keyword ELSE = const Keyword("else");
18 static final Keyword EXTENDS = const Keyword("extends");
17 static final Keyword FALSE = const Keyword("false"); 19 static final Keyword FALSE = const Keyword("false");
18 static final Keyword FINAL = const Keyword("final"); 20 static final Keyword FINAL = const Keyword("final");
19 static final Keyword FINALLY = const Keyword("finally"); 21 static final Keyword FINALLY = const Keyword("finally");
20 static final Keyword FOR = const Keyword("for"); 22 static final Keyword FOR = const Keyword("for");
21 static final Keyword IF = const Keyword("if"); 23 static final Keyword IF = const Keyword("if");
22 static final Keyword IN = const Keyword("in"); 24 static final Keyword IN = const Keyword("in");
23 static final Keyword IS = const Keyword("is"); 25 static final Keyword IS = const Keyword("is");
24 static final Keyword NEW = const Keyword("new"); 26 static final Keyword NEW = const Keyword("new");
25 static final Keyword NULL = const Keyword("null"); 27 static final Keyword NULL = const Keyword("null");
26 static final Keyword RETURN = const Keyword("return"); 28 static final Keyword RETURN = const Keyword("return");
27 static final Keyword SUPER = const Keyword("super"); 29 static final Keyword SUPER = const Keyword("super");
28 static final Keyword SWITCH = const Keyword("switch"); 30 static final Keyword SWITCH = const Keyword("switch");
29 static final Keyword THIS = const Keyword("this"); 31 static final Keyword THIS = const Keyword("this");
30 static final Keyword THROW = const Keyword("throw"); 32 static final Keyword THROW = const Keyword("throw");
31 static final Keyword TRUE = const Keyword("true"); 33 static final Keyword TRUE = const Keyword("true");
32 static final Keyword TRY = const Keyword("try"); 34 static final Keyword TRY = const Keyword("try");
33 static final Keyword VAR = const Keyword("var"); 35 static final Keyword VAR = const Keyword("var");
34 static final Keyword VOID = const Keyword("void"); 36 static final Keyword VOID = const Keyword("void");
35 static final Keyword WHILE = const Keyword("while"); 37 static final Keyword WHILE = const Keyword("while");
36 38
37 // Pseudo keywords: 39 // Pseudo keywords:
38 static final Keyword ABSTRACT = const Keyword("abstract", true); 40 static final Keyword ABSTRACT = const Keyword("abstract", true);
39 static final Keyword ASSERT = const Keyword("assert", true); 41 static final Keyword ASSERT = const Keyword("assert", true);
40 static final Keyword CLASS = const Keyword("class", true);
41 static final Keyword EXTENDS = const Keyword("extends", true);
42 static final Keyword FACTORY = const Keyword("factory", true); 42 static final Keyword FACTORY = const Keyword("factory", true);
43 static final Keyword GET = const Keyword("get", true); 43 static final Keyword GET = const Keyword("get", true);
44 static final Keyword IMPLEMENTS = const Keyword("implements", true); 44 static final Keyword IMPLEMENTS = const Keyword("implements", true);
45 static final Keyword IMPORT = const Keyword("import", true); 45 static final Keyword IMPORT = const Keyword("import", true);
46 static final Keyword INTERFACE = const Keyword("interface", true); 46 static final Keyword INTERFACE = const Keyword("interface", true);
47 static final Keyword LIBRARY = const Keyword("library", true); 47 static final Keyword LIBRARY = const Keyword("library", true);
48 static final Keyword NATIVE = const Keyword("native", true); 48 static final Keyword NATIVE = const Keyword("native", true);
49 static final Keyword NEGATE = const Keyword("negate", true); 49 static final Keyword NEGATE = const Keyword("negate", true);
50 static final Keyword OPERATOR = const Keyword("operator", true); 50 static final Keyword OPERATOR = const Keyword("operator", true);
51 static final Keyword SET = const Keyword("set", true); 51 static final Keyword SET = const Keyword("set", true);
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237 final Keyword keyword; 237 final Keyword keyword;
238 238
239 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax]; 239 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax];
240 240
241 bool isLeaf() => true; 241 bool isLeaf() => true;
242 242
243 KeywordState next(int c) => null; 243 KeywordState next(int c) => null;
244 244
245 String toString() => keyword.syntax; 245 String toString() => keyword.syntax;
246 } 246 }
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