OLD | NEW |
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 part of csslib.parser; | 5 part of csslib.parser; |
6 | 6 |
7 /** | 7 /** |
8 * A single token in the Dart language. | 8 * A single token in the Dart language. |
9 */ | 9 */ |
10 class Token { | 10 class Token { |
11 /** A member of [TokenKind] specifying what kind of token this is. */ | 11 /** A member of [TokenKind] specifying what kind of token this is. */ |
12 final int kind; | 12 final int kind; |
13 | 13 |
14 /** The location where this token was parsed from. */ | 14 /** The location where this token was parsed from. */ |
15 final Span span; | 15 final SourceSpan span; |
16 | 16 |
17 /** The start offset of this token. */ | 17 /** The start offset of this token. */ |
18 int get start => span.start.offset; | 18 int get start => span.start.offset; |
19 | 19 |
20 /** The end offset of this token. */ | 20 /** The end offset of this token. */ |
21 int get end => span.end.offset; | 21 int get end => span.end.offset; |
22 | 22 |
23 /** Returns the source text corresponding to this [Token]. */ | 23 /** Returns the source text corresponding to this [Token]. */ |
24 String get text => span.text; | 24 String get text => span.text; |
25 | 25 |
(...skipping 10 matching lines...) Expand all Loading... |
36 return '$kindText($actualText)'; | 36 return '$kindText($actualText)'; |
37 } else { | 37 } else { |
38 return kindText; | 38 return kindText; |
39 } | 39 } |
40 } | 40 } |
41 } | 41 } |
42 | 42 |
43 /** A token containing a parsed literal value. */ | 43 /** A token containing a parsed literal value. */ |
44 class LiteralToken extends Token { | 44 class LiteralToken extends Token { |
45 var value; | 45 var value; |
46 LiteralToken(int kind, Span span, this.value) : super(kind, span); | 46 LiteralToken(int kind, SourceSpan span, this.value) : super(kind, span); |
47 } | 47 } |
48 | 48 |
49 /** A token containing error information. */ | 49 /** A token containing error information. */ |
50 class ErrorToken extends Token { | 50 class ErrorToken extends Token { |
51 String message; | 51 String message; |
52 ErrorToken(int kind, Span span, this.message) : super(kind, span); | 52 ErrorToken(int kind, SourceSpan span, this.message) : super(kind, span); |
53 } | 53 } |
54 | 54 |
55 /** | 55 /** |
56 * CSS ident-token. | 56 * CSS ident-token. |
57 * | 57 * |
58 * See <http://dev.w3.org/csswg/css-syntax/#typedef-ident-token> and | 58 * See <http://dev.w3.org/csswg/css-syntax/#typedef-ident-token> and |
59 * <http://dev.w3.org/csswg/css-syntax/#ident-token-diagram>. | 59 * <http://dev.w3.org/csswg/css-syntax/#ident-token-diagram>. |
60 */ | 60 */ |
61 class IdentifierToken extends Token { | 61 class IdentifierToken extends Token { |
62 final String text; | 62 final String text; |
63 | 63 |
64 IdentifierToken(this.text, int kind, Span span) | 64 IdentifierToken(this.text, int kind, SourceSpan span) |
65 : super(kind, span); | 65 : super(kind, span); |
66 } | 66 } |
OLD | NEW |