lib/compiler/implementation/scanner/keyword.dart - Issue 10540048: Implement 'as' operator.

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Issue 10540048: Implement 'as' operator. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: No entries in language.status, vm and dartc already implemented 'as'. Created 8 years, 6 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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31 static final Keyword THIS = const Keyword("this");	31 static final Keyword THIS = const Keyword("this");

32 static final Keyword THROW = const Keyword("throw");	32 static final Keyword THROW = const Keyword("throw");

33 static final Keyword TRUE = const Keyword("true");	33 static final Keyword TRUE = const Keyword("true");

34 static final Keyword TRY = const Keyword("try");	34 static final Keyword TRY = const Keyword("try");

35 static final Keyword VAR = const Keyword("var");	35 static final Keyword VAR = const Keyword("var");

36 static final Keyword VOID = const Keyword("void");	36 static final Keyword VOID = const Keyword("void");

37 static final Keyword WHILE = const Keyword("while");	37 static final Keyword WHILE = const Keyword("while");

38	38

39 // Pseudo keywords:	39 // Pseudo keywords:

40 static final Keyword ABSTRACT = const Keyword("abstract", isPseudo: true);	40 static final Keyword ABSTRACT = const Keyword("abstract", isPseudo: true);

	41 static final Keyword AS = const Keyword("as", info: AS_INFO, isPseudo: true);

41 static final Keyword ASSERT = const Keyword("assert", isPseudo: true);	42 static final Keyword ASSERT = const Keyword("assert", isPseudo: true);

42 static final Keyword FACTORY = const Keyword("factory", isPseudo: true);	43 static final Keyword FACTORY = const Keyword("factory", isPseudo: true);

43 static final Keyword GET = const Keyword("get", isPseudo: true);	44 static final Keyword GET = const Keyword("get", isPseudo: true);

44 static final Keyword IMPLEMENTS = const Keyword("implements", isPseudo: true);	45 static final Keyword IMPLEMENTS = const Keyword("implements", isPseudo: true);

45 static final Keyword IMPORT = const Keyword("import", isPseudo: true);	46 static final Keyword IMPORT = const Keyword("import", isPseudo: true);

46 static final Keyword INTERFACE = const Keyword("interface", isPseudo: true);	47 static final Keyword INTERFACE = const Keyword("interface", isPseudo: true);

47 static final Keyword LIBRARY = const Keyword("library", isPseudo: true);	48 static final Keyword LIBRARY = const Keyword("library", isPseudo: true);

48 static final Keyword NATIVE = const Keyword("native", isPseudo: true);	49 static final Keyword NATIVE = const Keyword("native", isPseudo: true);

49 static final Keyword NEGATE = const Keyword("negate", isPseudo: true);	50 static final Keyword NEGATE = const Keyword("negate", isPseudo: true);

50 static final Keyword OPERATOR = const Keyword("operator", isPseudo: true);	51 static final Keyword OPERATOR = const Keyword("operator", isPseudo: true);

51 static final Keyword SET = const Keyword("set", isPseudo: true);	52 static final Keyword SET = const Keyword("set", isPseudo: true);

52 static final Keyword SOURCE = const Keyword("source", isPseudo: true);	53 static final Keyword SOURCE = const Keyword("source", isPseudo: true);

53 static final Keyword STATIC = const Keyword("static", isPseudo: true);	54 static final Keyword STATIC = const Keyword("static", isPseudo: true);

54 static final Keyword TYPEDEF = const Keyword("typedef", isPseudo: true);	55 static final Keyword TYPEDEF = const Keyword("typedef", isPseudo: true);

55	56

56 static final List<Keyword> values = const <Keyword> [	57 static final List<Keyword> values = const <Keyword> [

	58 AS,

57 BREAK,	59 BREAK,

58 CASE,	60 CASE,

59 CATCH,	61 CATCH,

60 CONST,	62 CONST,

61 CONTINUE,	63 CONTINUE,

62 DEFAULT,	64 DEFAULT,

63 DO,	65 DO,

64 ELSE,	66 ELSE,

65 FALSE,	67 FALSE,

66 FINAL,	68 FINAL,

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251 final Keyword keyword;	253 final Keyword keyword;

252	254

253 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax];	255 LeafKeywordState(String syntax) : keyword = Keyword.keywords[syntax];

254	256

255 bool isLeaf() => true;	257 bool isLeaf() => true;

256	258

257 KeywordState next(int c) => null;	259 KeywordState next(int c) => null;

258	260

259 String toString() => keyword.syntax;	261 String toString() => keyword.syntax;

260 }	262 }

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