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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.visitor; | 5 part of csslib.visitor; |
6 | 6 |
7 ///////////////////////////////////////////////////////////////////////// | 7 ///////////////////////////////////////////////////////////////////////// |
8 // CSS specific types: | 8 // CSS specific types: |
9 ///////////////////////////////////////////////////////////////////////// | 9 ///////////////////////////////////////////////////////////////////////// |
10 | 10 |
11 class Identifier extends TreeNode { | 11 class Identifier extends TreeNode { |
12 String name; | 12 String name; |
13 | 13 |
14 Identifier(this.name, Span span): super(span); | 14 Identifier(this.name, Span span): super(span); |
15 | 15 |
16 Identifier clone() => new Identifier(name, span); | 16 Identifier clone() => new Identifier(name, span); |
17 | 17 |
18 visit(VisitorBase visitor) => visitor.visitIdentifier(this); | 18 void visit(VisitorBase visitor) => visitor.visitIdentifier(this); |
19 | 19 |
20 String toString() => name; | 20 String toString() => name; |
21 } | 21 } |
22 | 22 |
23 class Wildcard extends TreeNode { | 23 class Wildcard extends TreeNode { |
24 Wildcard(Span span): super(span); | 24 Wildcard(Span span): super(span); |
25 Wildcard clone() => new Wildcard(span); | 25 Wildcard clone() => new Wildcard(span); |
26 visit(VisitorBase visitor) => visitor.visitWildcard(this); | 26 visit(VisitorBase visitor) => visitor.visitWildcard(this); |
27 } | 27 } |
28 | 28 |
(...skipping 19 matching lines...) Expand all Loading... |
48 } | 48 } |
49 | 49 |
50 // CDO/CDC (Comment Definition Open <!-- and Comment Definition Close -->). | 50 // CDO/CDC (Comment Definition Open <!-- and Comment Definition Close -->). |
51 class CommentDefinition extends CssComment { | 51 class CommentDefinition extends CssComment { |
52 CommentDefinition(String comment, Span span): super(comment, span); | 52 CommentDefinition(String comment, Span span): super(comment, span); |
53 CommentDefinition clone() => new CommentDefinition(comment, span); | 53 CommentDefinition clone() => new CommentDefinition(comment, span); |
54 visit(VisitorBase visitor) => visitor.visitCommentDefinition(this); | 54 visit(VisitorBase visitor) => visitor.visitCommentDefinition(this); |
55 } | 55 } |
56 | 56 |
57 class SelectorGroup extends TreeNode { | 57 class SelectorGroup extends TreeNode { |
58 List<Selector> _selectors; | 58 final List<Selector> selectors; |
59 | 59 |
60 SelectorGroup(this._selectors, Span span): super(span); | 60 SelectorGroup(this.selectors, Span span): super(span); |
61 | 61 |
62 List<Selector> get selectors => _selectors; | 62 SelectorGroup clone() => new SelectorGroup(selectors, span); |
63 | 63 |
64 SelectorGroup clone() => new SelectorGroup(_selectors, span); | 64 void visit(VisitorBase visitor) => visitor.visitSelectorGroup(this); |
65 | |
66 visit(VisitorBase visitor) => visitor.visitSelectorGroup(this); | |
67 } | 65 } |
68 | 66 |
69 class Selector extends TreeNode { | 67 class Selector extends TreeNode { |
70 final List<SimpleSelectorSequence> _simpleSelectorSequences; | 68 final List<SimpleSelectorSequence> simpleSelectorSequences; |
71 | 69 |
72 Selector(this._simpleSelectorSequences, Span span) : super(span); | 70 Selector(this.simpleSelectorSequences, Span span) : super(span); |
73 | 71 |
74 List<SimpleSelectorSequence> get simpleSelectorSequences => | 72 void add(SimpleSelectorSequence seq) => simpleSelectorSequences.add(seq); |
75 _simpleSelectorSequences; | |
76 | 73 |
77 add(SimpleSelectorSequence seq) => _simpleSelectorSequences.add(seq); | 74 int get length => simpleSelectorSequences.length; |
78 | |
79 int get length => _simpleSelectorSequences.length; | |
80 | 75 |
81 Selector clone() { | 76 Selector clone() { |
82 var simpleSequences = []; | 77 var simpleSequences = simpleSelectorSequences |
83 for (var simpleSeq in simpleSelectorSequences) { | 78 .map((ss) => ss.clone()) |
84 simpleSequences.add(simpleSeq.clone()); | 79 .toList(); |
85 } | 80 |
86 return new Selector(simpleSequences, span); | 81 return new Selector(simpleSequences, span); |
87 } | 82 } |
88 | 83 |
89 visit(VisitorBase visitor) => visitor.visitSelector(this); | 84 void visit(VisitorBase visitor) => visitor.visitSelector(this); |
90 } | 85 } |
91 | 86 |
92 class SimpleSelectorSequence extends TreeNode { | 87 class SimpleSelectorSequence extends TreeNode { |
93 /** +, >, ~, NONE */ | 88 /** +, >, ~, NONE */ |
94 int combinator; | 89 int combinator; |
95 final SimpleSelector _selector; | 90 final SimpleSelector simpleSelector; |
96 | 91 |
97 SimpleSelectorSequence(this._selector, Span span, | 92 SimpleSelectorSequence(this.simpleSelector, Span span, |
98 [int combinator = TokenKind.COMBINATOR_NONE]) | 93 [int combinator = TokenKind.COMBINATOR_NONE]) |
99 : combinator = combinator, super(span); | 94 : combinator = combinator, super(span); |
100 | 95 |
101 get simpleSelector => _selector; | |
102 | |
103 bool get isCombinatorNone => combinator == TokenKind.COMBINATOR_NONE; | 96 bool get isCombinatorNone => combinator == TokenKind.COMBINATOR_NONE; |
104 bool get isCombinatorPlus => combinator == TokenKind.COMBINATOR_PLUS; | 97 bool get isCombinatorPlus => combinator == TokenKind.COMBINATOR_PLUS; |
105 bool get isCombinatorGreater => combinator == TokenKind.COMBINATOR_GREATER; | 98 bool get isCombinatorGreater => combinator == TokenKind.COMBINATOR_GREATER; |
106 bool get isCombinatorTilde => combinator == TokenKind.COMBINATOR_TILDE; | 99 bool get isCombinatorTilde => combinator == TokenKind.COMBINATOR_TILDE; |
107 bool get isCombinatorDescendant => | 100 bool get isCombinatorDescendant => |
108 combinator == TokenKind.COMBINATOR_DESCENDANT; | 101 combinator == TokenKind.COMBINATOR_DESCENDANT; |
109 | 102 |
110 String get _combinatorToString => | 103 String get _combinatorToString => |
111 isCombinatorDescendant ? ' ' : | 104 isCombinatorDescendant ? ' ' : |
112 isCombinatorPlus ? ' + ' : | 105 isCombinatorPlus ? ' + ' : |
113 isCombinatorGreater ? ' > ' : | 106 isCombinatorGreater ? ' > ' : |
114 isCombinatorTilde ? ' ~ ' : ''; | 107 isCombinatorTilde ? ' ~ ' : ''; |
115 | 108 |
116 SimpleSelectorSequence clone() => | 109 SimpleSelectorSequence clone() => |
117 new SimpleSelectorSequence(_selector, span, combinator); | 110 new SimpleSelectorSequence(simpleSelector, span, combinator); |
118 | 111 |
119 visit(VisitorBase visitor) => visitor.visitSimpleSelectorSequence(this); | 112 void visit(VisitorBase visitor) => visitor.visitSimpleSelectorSequence(this); |
120 } | 113 } |
121 | 114 |
122 /* All other selectors (element, #id, .class, attribute, pseudo, negation, | 115 /* All other selectors (element, #id, .class, attribute, pseudo, negation, |
123 * namespace, *) are derived from this selector. | 116 * namespace, *) are derived from this selector. |
124 */ | 117 */ |
125 class SimpleSelector extends TreeNode { | 118 class SimpleSelector extends TreeNode { |
126 final _name; | 119 final _name; // Wildcard, ThisOperator, Identifier, others? |
127 | 120 |
128 SimpleSelector(this._name, Span span) : super(span); | 121 SimpleSelector(this._name, Span span) : super(span); |
129 | 122 |
130 // Name can be an Identifier or WildCard we'll return either the name or '*'. | 123 // Name can be an Identifier or WildCard we'll return either the name or '*'. |
131 String get name => isWildcard ? '*' : isThis ? '&' : _name.name; | 124 String get name => isWildcard ? '*' : isThis ? '&' : _name.name; |
132 | 125 |
133 bool get isWildcard => _name is Wildcard; | 126 bool get isWildcard => _name is Wildcard; |
134 | 127 |
135 bool get isThis => _name is ThisOperator; | 128 bool get isThis => _name is ThisOperator; |
136 | 129 |
137 SimpleSelector clone() => new SimpleSelector(_name, span); | 130 SimpleSelector clone() => new SimpleSelector(_name, span); |
138 | 131 |
139 visit(VisitorBase visitor) => visitor.visitSimpleSelector(this); | 132 void visit(VisitorBase visitor) => visitor.visitSimpleSelector(this); |
140 } | 133 } |
141 | 134 |
142 // element name | 135 // element name |
143 class ElementSelector extends SimpleSelector { | 136 class ElementSelector extends SimpleSelector { |
144 ElementSelector(name, Span span) : super(name, span); | 137 ElementSelector(name, Span span) : super(name, span); |
145 visit(VisitorBase visitor) => visitor.visitElementSelector(this); | 138 visit(VisitorBase visitor) => visitor.visitElementSelector(this); |
146 | 139 |
147 String toString() => name; | 140 String toString() => name; |
148 } | 141 } |
149 | 142 |
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312 | 305 |
313 // :NOT(negation_arg) | 306 // :NOT(negation_arg) |
314 class NegationSelector extends SimpleSelector { | 307 class NegationSelector extends SimpleSelector { |
315 SimpleSelector negationArg; | 308 SimpleSelector negationArg; |
316 | 309 |
317 NegationSelector(this.negationArg, Span span) | 310 NegationSelector(this.negationArg, Span span) |
318 : super(new Negation(span), span); | 311 : super(new Negation(span), span); |
319 | 312 |
320 NegationSelector clone() => new NegationSelector(negationArg, span); | 313 NegationSelector clone() => new NegationSelector(negationArg, span); |
321 | 314 |
322 visit(VisitorBase visitor) => visitor.visitNegationSelector(this); | 315 void visit(VisitorBase visitor) => visitor.visitNegationSelector(this); |
323 } | 316 } |
324 | 317 |
325 class NoOp extends TreeNode { | 318 class NoOp extends TreeNode { |
326 NoOp() : super(null); | 319 NoOp() : super(null); |
327 | 320 |
328 NoOp clone() => new NoOp(); | 321 NoOp clone() => new NoOp(); |
329 | 322 |
330 visit(VisitorBase visitor) => visitor.visitNoOp(this); | 323 visit(VisitorBase visitor) => visitor.visitNoOp(this); |
331 } | 324 } |
332 | 325 |
333 class StyleSheet extends TreeNode { | 326 class StyleSheet extends TreeNode { |
334 /** | 327 /** |
335 * Contains charset, ruleset, directives (media, page, etc.), and selectors. | 328 * Contains charset, ruleset, directives (media, page, etc.), and selectors. |
336 */ | 329 */ |
337 final topLevels; | 330 final List<TreeNode> topLevels; |
338 | 331 |
339 StyleSheet(this.topLevels, Span span) : super(span) { | 332 StyleSheet(this.topLevels, Span span) : super(span) { |
340 for (final node in topLevels) { | 333 for (final node in topLevels) { |
341 assert(node is TopLevelProduction || node is Directive); | 334 assert(node is TopLevelProduction || node is Directive); |
342 } | 335 } |
343 } | 336 } |
344 | 337 |
345 /** Selectors only in this tree. */ | 338 /** Selectors only in this tree. */ |
346 StyleSheet.selector(this.topLevels, Span span) : super(span); | 339 StyleSheet.selector(this.topLevels, Span span) : super(span); |
347 | 340 |
348 StyleSheet clone() { | 341 StyleSheet clone() { |
349 var clonedTopLevels = []; | 342 var clonedTopLevels = topLevels.map((e) => e.clone()).toList(); |
350 clonedTopLevels.add(topLevels.clone()); | |
351 return new StyleSheet(clonedTopLevels, span); | 343 return new StyleSheet(clonedTopLevels, span); |
352 } | 344 } |
353 | 345 |
354 visit(VisitorBase visitor) => visitor.visitStyleSheet(this); | 346 void visit(VisitorBase visitor) => visitor.visitStyleSheet(this); |
355 } | 347 } |
356 | 348 |
357 class TopLevelProduction extends TreeNode { | 349 class TopLevelProduction extends TreeNode { |
358 TopLevelProduction(Span span) : super(span); | 350 TopLevelProduction(Span span) : super(span); |
359 TopLevelProduction clone() => new TopLevelProduction(span); | 351 TopLevelProduction clone() => new TopLevelProduction(span); |
360 visit(VisitorBase visitor) => visitor.visitTopLevelProduction(this); | 352 visit(VisitorBase visitor) => visitor.visitTopLevelProduction(this); |
361 } | 353 } |
362 | 354 |
363 class RuleSet extends TopLevelProduction { | 355 class RuleSet extends TopLevelProduction { |
364 final SelectorGroup _selectorGroup; | 356 final SelectorGroup _selectorGroup; |
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378 visit(VisitorBase visitor) => visitor.visitRuleSet(this); | 370 visit(VisitorBase visitor) => visitor.visitRuleSet(this); |
379 } | 371 } |
380 | 372 |
381 class Directive extends TreeNode { | 373 class Directive extends TreeNode { |
382 Directive(Span span) : super(span); | 374 Directive(Span span) : super(span); |
383 | 375 |
384 bool get isBuiltIn => true; // Known CSS directive? | 376 bool get isBuiltIn => true; // Known CSS directive? |
385 bool get isExtension => false; // SCSS extension? | 377 bool get isExtension => false; // SCSS extension? |
386 | 378 |
387 Directive clone() => new Directive(span); | 379 Directive clone() => new Directive(span); |
388 visit(VisitorBase visitor) => visitor.visitDirective(this); | 380 void visit(VisitorBase visitor) => visitor.visitDirective(this); |
389 } | 381 } |
390 | 382 |
391 class ImportDirective extends Directive { | 383 class ImportDirective extends Directive { |
392 /** import name specified. */ | 384 /** import name specified. */ |
393 final String import; | 385 final String import; |
394 | 386 |
395 /** Any media queries for this import. */ | 387 /** Any media queries for this import. */ |
396 final List<MediaQuery> mediaQueries; | 388 final List<MediaQuery> mediaQueries; |
397 | 389 |
398 ImportDirective(this.import, this.mediaQueries, Span span) : super(span); | 390 ImportDirective(this.import, this.mediaQueries, Span span) : super(span); |
399 | 391 |
400 ImportDirective clone() { | 392 ImportDirective clone() { |
401 var cloneMediaQueries = []; | 393 var cloneMediaQueries = []; |
402 for (var mediaQuery in mediaQueries) { | 394 for (var mediaQuery in mediaQueries) { |
403 cloneMediaQueries.add(mediaQuery.clone()); | 395 cloneMediaQueries.add(mediaQuery.clone()); |
404 } | 396 } |
405 return new ImportDirective(import, cloneMediaQueries, span); | 397 return new ImportDirective(import, cloneMediaQueries, span); |
406 } | 398 } |
407 | 399 |
408 visit(VisitorBase visitor) => visitor.visitImportDirective(this); | 400 void visit(VisitorBase visitor) => visitor.visitImportDirective(this); |
409 } | 401 } |
410 | 402 |
411 /** | 403 /** |
412 * MediaExpression grammar: | 404 * MediaExpression grammar: |
413 * '(' S* media_feature S* [ ':' S* expr ]? ')' S* | 405 * '(' S* media_feature S* [ ':' S* expr ]? ')' S* |
414 */ | 406 */ |
415 class MediaExpression extends TreeNode { | 407 class MediaExpression extends TreeNode { |
416 final bool andOperator; | 408 final bool andOperator; |
417 final Identifier _mediaFeature; | 409 final Identifier _mediaFeature; |
418 final Expressions exprs; | 410 final Expressions exprs; |
419 | 411 |
420 MediaExpression(this.andOperator, this._mediaFeature, this.exprs, Span span) | 412 MediaExpression(this.andOperator, this._mediaFeature, this.exprs, Span span) |
421 : super(span); | 413 : super(span); |
422 | 414 |
423 String get mediaFeature => _mediaFeature.name; | 415 String get mediaFeature => _mediaFeature.name; |
424 | 416 |
425 MediaExpression clone() { | 417 MediaExpression clone() { |
426 var clonedExprs = exprs.clone(); | 418 var clonedExprs = exprs.clone(); |
427 return new MediaExpression(andOperator, _mediaFeature, clonedExprs, span); | 419 return new MediaExpression(andOperator, _mediaFeature, clonedExprs, span); |
428 } | 420 } |
429 | 421 |
430 visit(VisitorBase visitor) => visitor.visitMediaExpression(this); | 422 void visit(VisitorBase visitor) => visitor.visitMediaExpression(this); |
431 } | 423 } |
432 | 424 |
433 /** | 425 /** |
434 * MediaQuery grammar: | 426 * MediaQuery grammar: |
435 * : [ONLY | NOT]? S* media_type S* [ AND S* media_expression ]* | 427 * : [ONLY | NOT]? S* media_type S* [ AND S* media_expression ]* |
436 * | media_expression [ AND S* media_expression ]* | 428 * | media_expression [ AND S* media_expression ]* |
437 * media_type | 429 * media_type |
438 * : IDENT | 430 * : IDENT |
439 * media_expression | 431 * media_expression |
440 * : '(' S* media_feature S* [ ':' S* expr ]? ')' S* | 432 * : '(' S* media_feature S* [ ':' S* expr ]? ')' S* |
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461 var cloneExpressions = []; | 453 var cloneExpressions = []; |
462 for (var expr in expressions) { | 454 for (var expr in expressions) { |
463 cloneExpressions.add(expr.clone()); | 455 cloneExpressions.add(expr.clone()); |
464 } | 456 } |
465 return new MediaQuery(_mediaUnary, _mediaType, cloneExpressions, span); | 457 return new MediaQuery(_mediaUnary, _mediaType, cloneExpressions, span); |
466 } | 458 } |
467 visit(VisitorBase visitor) => visitor.visitMediaQuery(this); | 459 visit(VisitorBase visitor) => visitor.visitMediaQuery(this); |
468 } | 460 } |
469 | 461 |
470 class MediaDirective extends Directive { | 462 class MediaDirective extends Directive { |
471 List<MediaQuery> mediaQueries; | 463 final List<MediaQuery> mediaQueries; |
472 List<RuleSet> rulesets; | 464 final List<RuleSet> rulesets; |
473 | 465 |
474 MediaDirective(this.mediaQueries, this.rulesets, Span span) : super(span); | 466 MediaDirective(this.mediaQueries, this.rulesets, Span span) : super(span); |
475 | 467 |
476 MediaDirective clone() { | 468 MediaDirective clone() { |
477 var cloneQueries = []; | 469 var cloneQueries = []; |
478 for (var mediaQuery in mediaQueries) { | 470 for (var mediaQuery in mediaQueries) { |
479 cloneQueries.add(mediaQuery.clone()); | 471 cloneQueries.add(mediaQuery.clone()); |
480 } | 472 } |
481 var cloneRulesets = []; | 473 var cloneRulesets = []; |
482 for (var ruleset in rulesets) { | 474 for (var ruleset in rulesets) { |
483 cloneRulesets.add(ruleset.clone()); | 475 cloneRulesets.add(ruleset.clone()); |
484 } | 476 } |
485 return new MediaDirective(cloneQueries, cloneRulesets, span); | 477 return new MediaDirective(cloneQueries, cloneRulesets, span); |
486 } | 478 } |
487 visit(VisitorBase visitor) => visitor.visitMediaDirective(this); | 479 |
| 480 void visit(VisitorBase visitor) => visitor.visitMediaDirective(this); |
488 } | 481 } |
489 | 482 |
490 class HostDirective extends Directive { | 483 class HostDirective extends Directive { |
491 List<RuleSet> rulesets; | 484 final List<RuleSet> rulesets; |
492 | 485 |
493 HostDirective(this.rulesets, Span span) : super(span); | 486 HostDirective(this.rulesets, Span span) : super(span); |
494 | 487 |
495 HostDirective clone() { | 488 HostDirective clone() { |
496 var cloneRulesets = []; | 489 var cloneRulesets = []; |
497 for (var ruleset in rulesets) { | 490 for (var ruleset in rulesets) { |
498 cloneRulesets.add(ruleset.clone()); | 491 cloneRulesets.add(ruleset.clone()); |
499 } | 492 } |
500 return new HostDirective(cloneRulesets, span); | 493 return new HostDirective(cloneRulesets, span); |
501 } | 494 } |
502 visit(VisitorBase visitor) => visitor.visitHostDirective(this); | 495 |
| 496 void visit(VisitorBase visitor) => visitor.visitHostDirective(this); |
503 } | 497 } |
504 | 498 |
505 class PageDirective extends Directive { | 499 class PageDirective extends Directive { |
506 final String _ident; | 500 final String _ident; |
507 final String _pseudoPage; | 501 final String _pseudoPage; |
508 List<DeclarationGroup> _declsMargin; | 502 final List<DeclarationGroup> _declsMargin; |
509 | 503 |
510 PageDirective(this._ident, this._pseudoPage, this._declsMargin, | 504 PageDirective(this._ident, this._pseudoPage, this._declsMargin, |
511 Span span) : super(span); | 505 Span span) : super(span); |
512 | 506 |
513 PageDirective clone() { | 507 PageDirective clone() { |
514 var cloneDeclsMargin = []; | 508 var cloneDeclsMargin = []; |
515 for (var declMargin in _declsMargin) { | 509 for (var declMargin in _declsMargin) { |
516 cloneDeclsMargin.add(declMargin.clone()); | 510 cloneDeclsMargin.add(declMargin.clone()); |
517 } | 511 } |
518 return new PageDirective(_ident, _pseudoPage, cloneDeclsMargin, span); | 512 return new PageDirective(_ident, _pseudoPage, cloneDeclsMargin, span); |
519 } | 513 } |
520 visit(VisitorBase visitor) => visitor.visitPageDirective(this); | 514 |
| 515 void visit(VisitorBase visitor) => visitor.visitPageDirective(this); |
521 | 516 |
522 bool get hasIdent => _ident != null && _ident.length > 0; | 517 bool get hasIdent => _ident != null && _ident.length > 0; |
523 bool get hasPseudoPage => _pseudoPage != null && _pseudoPage.length > 0; | 518 bool get hasPseudoPage => _pseudoPage != null && _pseudoPage.length > 0; |
524 } | 519 } |
525 | 520 |
526 class CharsetDirective extends Directive { | 521 class CharsetDirective extends Directive { |
527 final String charEncoding; | 522 final String charEncoding; |
528 | 523 |
529 CharsetDirective(this.charEncoding, Span span) : super(span); | 524 CharsetDirective(this.charEncoding, Span span) : super(span); |
530 CharsetDirective clone() => new CharsetDirective(charEncoding, span); | 525 CharsetDirective clone() => new CharsetDirective(charEncoding, span); |
531 visit(VisitorBase visitor) => visitor.visitCharsetDirective(this); | 526 void visit(VisitorBase visitor) => visitor.visitCharsetDirective(this); |
532 } | 527 } |
533 | 528 |
534 class KeyFrameDirective extends Directive { | 529 class KeyFrameDirective extends Directive { |
535 /* | 530 /* |
536 * Either @keyframe or keyframe prefixed with @-webkit-, @-moz-, @-ms-, @-o-. | 531 * Either @keyframe or keyframe prefixed with @-webkit-, @-moz-, @-ms-, @-o-. |
537 */ | 532 */ |
538 final int _keyframeName; | 533 final int _keyframeName; |
539 final _name; | 534 final name; |
540 final List<KeyFrameBlock> _blocks; | 535 final List<KeyFrameBlock> _blocks; |
541 | 536 |
542 KeyFrameDirective(this._keyframeName, this._name, Span span) | 537 KeyFrameDirective(this._keyframeName, this.name, Span span) |
543 : _blocks = [], super(span); | 538 : _blocks = [], super(span); |
544 | 539 |
545 add(KeyFrameBlock block) { | 540 add(KeyFrameBlock block) { |
546 _blocks.add(block); | 541 _blocks.add(block); |
547 } | 542 } |
548 | 543 |
549 String get keyFrameName { | 544 String get keyFrameName { |
550 switch (_keyframeName) { | 545 switch (_keyframeName) { |
551 case TokenKind.DIRECTIVE_KEYFRAMES: | 546 case TokenKind.DIRECTIVE_KEYFRAMES: |
552 case TokenKind.DIRECTIVE_MS_KEYFRAMES: | 547 case TokenKind.DIRECTIVE_MS_KEYFRAMES: |
553 return '@keyframes'; | 548 return '@keyframes'; |
554 case TokenKind.DIRECTIVE_WEB_KIT_KEYFRAMES: return '@-webkit-keyframes'; | 549 case TokenKind.DIRECTIVE_WEB_KIT_KEYFRAMES: return '@-webkit-keyframes'; |
555 case TokenKind.DIRECTIVE_MOZ_KEYFRAMES: return '@-moz-keyframes'; | 550 case TokenKind.DIRECTIVE_MOZ_KEYFRAMES: return '@-moz-keyframes'; |
556 case TokenKind.DIRECTIVE_O_KEYFRAMES: return '@-o-keyframes'; | 551 case TokenKind.DIRECTIVE_O_KEYFRAMES: return '@-o-keyframes'; |
557 } | 552 } |
558 } | 553 } |
559 | 554 |
560 String get name => _name; | |
561 | |
562 KeyFrameDirective clone() { | 555 KeyFrameDirective clone() { |
563 var cloneBlocks = []; | 556 var cloneBlocks = []; |
564 for (var block in _blocks) { | 557 for (var block in _blocks) { |
565 cloneBlocks.add(block.clone()); | 558 cloneBlocks.add(block.clone()); |
566 } | 559 } |
567 return new KeyFrameDirective(_keyframeName, cloneBlocks, span); | 560 return new KeyFrameDirective(_keyframeName, cloneBlocks, span); |
568 } | 561 } |
569 visit(VisitorBase visitor) => visitor.visitKeyFrameDirective(this); | 562 void visit(VisitorBase visitor) => visitor.visitKeyFrameDirective(this); |
570 } | 563 } |
571 | 564 |
572 class KeyFrameBlock extends Expression { | 565 class KeyFrameBlock extends Expression { |
573 final Expressions _blockSelectors; | 566 final Expressions _blockSelectors; |
574 final DeclarationGroup _declarations; | 567 final DeclarationGroup _declarations; |
575 | 568 |
576 KeyFrameBlock(this._blockSelectors, this._declarations, Span span) | 569 KeyFrameBlock(this._blockSelectors, this._declarations, Span span) |
577 : super(span); | 570 : super(span); |
578 | 571 |
579 KeyFrameBlock clone() => | 572 KeyFrameBlock clone() => |
580 new KeyFrameBlock(_blockSelectors.clone(), _declarations.clone(), span); | 573 new KeyFrameBlock(_blockSelectors.clone(), _declarations.clone(), span); |
581 visit(VisitorBase visitor) => visitor.visitKeyFrameBlock(this); | 574 void visit(VisitorBase visitor) => visitor.visitKeyFrameBlock(this); |
582 } | 575 } |
583 | 576 |
584 class FontFaceDirective extends Directive { | 577 class FontFaceDirective extends Directive { |
585 final DeclarationGroup _declarations; | 578 final DeclarationGroup _declarations; |
586 | 579 |
587 FontFaceDirective(this._declarations, Span span) : super(span); | 580 FontFaceDirective(this._declarations, Span span) : super(span); |
588 | 581 |
589 FontFaceDirective clone() => | 582 FontFaceDirective clone() => |
590 new FontFaceDirective(_declarations.clone(), span); | 583 new FontFaceDirective(_declarations.clone(), span); |
591 visit(VisitorBase visitor) => visitor.visitFontFaceDirective(this); | 584 void visit(VisitorBase visitor) => visitor.visitFontFaceDirective(this); |
592 } | 585 } |
593 | 586 |
594 class StyletDirective extends Directive { | 587 class StyletDirective extends Directive { |
595 final String _dartClassName; | 588 final String _dartClassName; |
596 final List<RuleSet> _rulesets; | 589 final List<RuleSet> _rulesets; |
597 | 590 |
598 StyletDirective(this._dartClassName, this._rulesets, Span span) : super(span); | 591 StyletDirective(this._dartClassName, this._rulesets, Span span) : super(span); |
599 | 592 |
600 bool get isBuiltIn => false; | 593 bool get isBuiltIn => false; |
601 bool get isExtension => true; | 594 bool get isExtension => true; |
602 | 595 |
603 String get dartClassName => _dartClassName; | 596 String get dartClassName => _dartClassName; |
604 List<RuleSet> get rulesets => _rulesets; | 597 List<RuleSet> get rulesets => _rulesets; |
605 | 598 |
606 StyletDirective clone() { | 599 StyletDirective clone() { |
607 var cloneRulesets = []; | 600 var cloneRulesets = []; |
608 for (var ruleset in _rulesets) { | 601 for (var ruleset in _rulesets) { |
609 cloneRulesets.add(ruleset.clone()); | 602 cloneRulesets.add(ruleset.clone()); |
610 } | 603 } |
611 return new StyletDirective(_dartClassName, cloneRulesets, span); | 604 return new StyletDirective(_dartClassName, cloneRulesets, span); |
612 } | 605 } |
613 visit(VisitorBase visitor) => visitor.visitStyletDirective(this); | 606 void visit(VisitorBase visitor) => visitor.visitStyletDirective(this); |
614 } | 607 } |
615 | 608 |
616 class NamespaceDirective extends Directive { | 609 class NamespaceDirective extends Directive { |
617 /** Namespace prefix. */ | 610 /** Namespace prefix. */ |
618 final String _prefix; | 611 final String _prefix; |
619 | 612 |
620 /** URI associated with this namespace. */ | 613 /** URI associated with this namespace. */ |
621 final String _uri; | 614 final String _uri; |
622 | 615 |
623 NamespaceDirective(this._prefix, this._uri, Span span) : super(span); | 616 NamespaceDirective(this._prefix, this._uri, Span span) : super(span); |
624 | 617 |
625 NamespaceDirective clone() => new NamespaceDirective(_prefix, _uri, span); | 618 NamespaceDirective clone() => new NamespaceDirective(_prefix, _uri, span); |
626 visit(VisitorBase visitor) => visitor.visitNamespaceDirective(this); | 619 void visit(VisitorBase visitor) => visitor.visitNamespaceDirective(this); |
627 | 620 |
628 String get prefix => _prefix.length > 0 ? '$_prefix ' : ''; | 621 String get prefix => _prefix.length > 0 ? '$_prefix ' : ''; |
629 } | 622 } |
630 | 623 |
631 /** To support Less syntax @name: expression */ | 624 /** To support Less syntax @name: expression */ |
632 class VarDefinitionDirective extends Directive { | 625 class VarDefinitionDirective extends Directive { |
633 final VarDefinition def; | 626 final VarDefinition def; |
634 | 627 |
635 VarDefinitionDirective(this.def, Span span) : super(span); | 628 VarDefinitionDirective(this.def, Span span) : super(span); |
636 | 629 |
637 VarDefinitionDirective clone() => | 630 VarDefinitionDirective clone() => |
638 new VarDefinitionDirective(def.clone(), span); | 631 new VarDefinitionDirective(def.clone(), span); |
639 visit(VisitorBase visitor) => visitor.visitVarDefinitionDirective(this); | 632 void visit(VisitorBase visitor) => visitor.visitVarDefinitionDirective(this); |
640 } | 633 } |
641 | 634 |
642 class MixinDefinition extends Directive { | 635 class MixinDefinition extends Directive { |
643 final String name; | 636 final String name; |
644 final List definedArgs; | 637 final List definedArgs; |
645 final bool varArgs; | 638 final bool varArgs; |
646 | 639 |
647 MixinDefinition(this.name, this.definedArgs, this.varArgs, Span span) | 640 MixinDefinition(this.name, this.definedArgs, this.varArgs, Span span) |
648 : super(span); | 641 : super(span); |
649 | 642 |
650 MixinDefinition clone() { | 643 MixinDefinition clone() { |
651 var cloneDefinedArgs = []; | 644 var cloneDefinedArgs = []; |
652 for (var definedArg in definedArgs) { | 645 for (var definedArg in definedArgs) { |
653 cloneDefinedArgs.add(definedArg.clone()); | 646 cloneDefinedArgs.add(definedArg.clone()); |
654 } | 647 } |
655 return new MixinDefinition(name, cloneDefinedArgs, varArgs, span); | 648 return new MixinDefinition(name, cloneDefinedArgs, varArgs, span); |
656 } | 649 } |
657 visit(VisitorBase visitor) => visitor.visitMixinDefinition(this); | 650 void visit(VisitorBase visitor) => visitor.visitMixinDefinition(this); |
658 } | 651 } |
659 | 652 |
660 /** Support a Sass @mixin. See http://sass-lang.com for description. */ | 653 /** Support a Sass @mixin. See http://sass-lang.com for description. */ |
661 class MixinRulesetDirective extends MixinDefinition { | 654 class MixinRulesetDirective extends MixinDefinition { |
662 final List<RuleSet> rulesets; | 655 final List<RuleSet> rulesets; |
663 | 656 |
664 MixinRulesetDirective(String name, List<VarDefinitionDirective> args, | 657 MixinRulesetDirective(String name, List<VarDefinitionDirective> args, |
665 bool varArgs, this.rulesets, Span span) : | 658 bool varArgs, this.rulesets, Span span) : |
666 super(name, args, varArgs, span); | 659 super(name, args, varArgs, span); |
667 | 660 |
668 MixinRulesetDirective clone() { | 661 MixinRulesetDirective clone() { |
669 var clonedArgs = []; | 662 var clonedArgs = []; |
670 for (var arg in definedArgs) { | 663 for (var arg in definedArgs) { |
671 clonedArgs.add(arg.clone()); | 664 clonedArgs.add(arg.clone()); |
672 } | 665 } |
673 var clonedRulesets = []; | 666 var clonedRulesets = []; |
674 for (var ruleset in rulesets) { | 667 for (var ruleset in rulesets) { |
675 clonedRulesets.add(ruleset.clone()); | 668 clonedRulesets.add(ruleset.clone()); |
676 } | 669 } |
677 return new MixinRulesetDirective(name, clonedArgs, varArgs, clonedRulesets, | 670 return new MixinRulesetDirective(name, clonedArgs, varArgs, clonedRulesets, |
678 span); | 671 span); |
679 } | 672 } |
680 visit(VisitorBase visitor) => visitor.visitMixinRulesetDirective(this); | 673 void visit(VisitorBase visitor) => visitor.visitMixinRulesetDirective(this); |
681 } | 674 } |
682 | 675 |
683 class MixinDeclarationDirective extends MixinDefinition { | 676 class MixinDeclarationDirective extends MixinDefinition { |
684 final DeclarationGroup declarations; | 677 final DeclarationGroup declarations; |
685 | 678 |
686 MixinDeclarationDirective(String name, List<VarDefinitionDirective> args, | 679 MixinDeclarationDirective(String name, List<VarDefinitionDirective> args, |
687 bool varArgs, this.declarations, Span span) : | 680 bool varArgs, this.declarations, Span span) : |
688 super(name, args, varArgs, span); | 681 super(name, args, varArgs, span); |
689 MixinDeclarationDirective clone() { | 682 MixinDeclarationDirective clone() { |
690 var clonedArgs = []; | 683 var clonedArgs = []; |
691 for (var arg in definedArgs) { | 684 for (var arg in definedArgs) { |
692 clonedArgs.add(arg.clone()); | 685 clonedArgs.add(arg.clone()); |
693 } | 686 } |
694 return new MixinDeclarationDirective(name, clonedArgs, varArgs, | 687 return new MixinDeclarationDirective(name, clonedArgs, varArgs, |
695 declarations.clone(), span); | 688 declarations.clone(), span); |
696 } | 689 } |
697 visit(VisitorBase visitor) => visitor.visitMixinDeclarationDirective(this); | 690 void visit(VisitorBase visitor) => visitor.visitMixinDeclarationDirective(this
); |
698 } | 691 } |
699 | 692 |
700 /** To support consuming a SASS mixin @include. */ | 693 /** To support consuming a SASS mixin @include. */ |
701 class IncludeDirective extends Directive { | 694 class IncludeDirective extends Directive { |
702 final String name; | 695 final String name; |
703 final List<List<TreeNode>> args; | 696 final List<List<TreeNode>> args; |
704 | 697 |
705 IncludeDirective(this.name, this.args, Span span) : super(span); | 698 IncludeDirective(this.name, this.args, Span span) : super(span); |
706 | 699 |
707 IncludeDirective clone() { | 700 IncludeDirective clone() { |
708 var cloneArgs = []; | 701 var cloneArgs = []; |
709 for (var arg in args) { | 702 for (var arg in args) { |
710 for (var term in arg) { | 703 for (var term in arg) { |
711 cloneArgs.add(term.clone()); | 704 cloneArgs.add(term.clone()); |
712 } | 705 } |
713 } | 706 } |
714 return new IncludeDirective(name, cloneArgs, span); | 707 return new IncludeDirective(name, cloneArgs, span); |
715 } | 708 } |
716 visit(VisitorBase visitor) => visitor.visitIncludeDirective(this); | 709 |
| 710 void visit(VisitorBase visitor) => visitor.visitIncludeDirective(this); |
717 } | 711 } |
718 | 712 |
719 /** To support SASS @content. */ | 713 /** To support SASS @content. */ |
720 class ContentDirective extends Directive { | 714 class ContentDirective extends Directive { |
721 ContentDirective(Span span) : super(span); | 715 ContentDirective(Span span) : super(span); |
722 | 716 |
723 visit(VisitorBase visitor) => visitor.visitContentDirective(this); | 717 void visit(VisitorBase visitor) => visitor.visitContentDirective(this); |
724 } | 718 } |
725 | 719 |
726 class Declaration extends TreeNode { | 720 class Declaration extends TreeNode { |
727 final Identifier _property; | 721 final Identifier _property; |
728 final Expression _expression; | 722 final Expression _expression; |
729 /** Style exposed to Dart. */ | 723 /** Style exposed to Dart. */ |
730 var _dart; | 724 dynamic _dart; |
731 final bool important; | 725 final bool important; |
732 | 726 |
733 /** | 727 /** |
734 * IE CSS hacks that can only be read by a particular IE version. | 728 * IE CSS hacks that can only be read by a particular IE version. |
735 * 7 implies IE 7 or older property (e.g., *background: blue;) | 729 * 7 implies IE 7 or older property (e.g., *background: blue;) |
736 * Note: IE 8 or older property (e.g., background: green\9;) is handled | 730 * Note: IE 8 or older property (e.g., background: green\9;) is handled |
737 * by IE8Term in declaration expression handling. | 731 * by IE8Term in declaration expression handling. |
738 * Note: IE 6 only property with a leading underscore is a valid IDENT | 732 * Note: IE 6 only property with a leading underscore is a valid IDENT |
739 * since an ident can start with underscore (e.g., _background: red;) | 733 * since an ident can start with underscore (e.g., _background: red;) |
740 */ | 734 */ |
741 final bool isIE7; | 735 final bool isIE7; |
742 | 736 |
743 Declaration(this._property, this._expression, this._dart, Span span, | 737 Declaration(this._property, this._expression, this._dart, Span span, |
744 {important: false, ie7: false}) | 738 {important: false, ie7: false}) |
745 : this.important = important, this.isIE7 = ie7, super(span); | 739 : this.important = important, this.isIE7 = ie7, super(span); |
746 | 740 |
747 String get property => isIE7 ? '*${_property.name}' : _property.name; | 741 String get property => isIE7 ? '*${_property.name}' : _property.name; |
748 Expression get expression => _expression; | 742 Expression get expression => _expression; |
749 | 743 |
750 bool get hasDartStyle => _dart != null; | 744 bool get hasDartStyle => _dart != null; |
751 get dartStyle => _dart; | 745 get dartStyle => _dart; |
752 set dartStyle(dStyle) { | 746 set dartStyle(dStyle) { |
753 _dart = dStyle; | 747 _dart = dStyle; |
754 } | 748 } |
755 | 749 |
756 Declaration clone() => | 750 Declaration clone() => |
757 new Declaration(_property.clone(), _expression.clone(), _dart, span, | 751 new Declaration(_property.clone(), _expression.clone(), _dart, span, |
758 important: important); | 752 important: important); |
759 visit(VisitorBase visitor) => visitor.visitDeclaration(this); | 753 |
| 754 void visit(VisitorBase visitor) => visitor.visitDeclaration(this); |
760 } | 755 } |
761 | 756 |
762 // TODO(terry): Consider 2 kinds of VarDefinitions static at top-level and | 757 // TODO(terry): Consider 2 kinds of VarDefinitions static at top-level and |
763 // dynamic when in a declaration. Currently, Less syntax | 758 // dynamic when in a declaration. Currently, Less syntax |
764 // '@foo: expression' and 'var-foo: expression' in a declaration | 759 // '@foo: expression' and 'var-foo: expression' in a declaration |
765 // are statically resolved. Better solution, if @foo or var-foo | 760 // are statically resolved. Better solution, if @foo or var-foo |
766 // are top-level are then statically resolved and var-foo in a | 761 // are top-level are then statically resolved and var-foo in a |
767 // declaration group (surrounded by a selector) would be dynamic. | 762 // declaration group (surrounded by a selector) would be dynamic. |
768 class VarDefinition extends Declaration { | 763 class VarDefinition extends Declaration { |
769 bool badUsage = false; | 764 bool badUsage = false; |
770 | 765 |
771 VarDefinition(Identifier definedName, Expression expr, Span span) | 766 VarDefinition(Identifier definedName, Expression expr, Span span) |
772 : super(definedName, expr, null, span); | 767 : super(definedName, expr, null, span); |
773 | 768 |
774 String get definedName => _property.name; | 769 String get definedName => _property.name; |
775 | 770 |
776 set dartStyle(dStyle) { } | 771 set dartStyle(dStyle) { } |
777 | 772 |
778 VarDefinition clone() => | 773 VarDefinition clone() => |
779 new VarDefinition(_property.clone(), | 774 new VarDefinition(_property.clone(), |
780 expression != null ? expression.clone() : null, span); | 775 expression != null ? expression.clone() : null, span); |
781 visit(VisitorBase visitor) => visitor.visitVarDefinition(this); | 776 void visit(VisitorBase visitor) => visitor.visitVarDefinition(this); |
782 } | 777 } |
783 | 778 |
784 /** | 779 /** |
785 * Node for usage of @include mixin[(args,...)] found in a declaration group | 780 * Node for usage of @include mixin[(args,...)] found in a declaration group |
786 * instead of at a ruleset (toplevel) e.g., | 781 * instead of at a ruleset (toplevel) e.g., |
787 * div { | 782 * div { |
788 * @include mixin1; | 783 * @include mixin1; |
789 * } | 784 * } |
790 */ | 785 */ |
791 class IncludeMixinAtDeclaration extends Declaration { | 786 class IncludeMixinAtDeclaration extends Declaration { |
792 final IncludeDirective include; | 787 final IncludeDirective include; |
793 | 788 |
794 IncludeMixinAtDeclaration(this.include, Span span) | 789 IncludeMixinAtDeclaration(this.include, Span span) |
795 : super(null, null, null, span); | 790 : super(null, null, null, span); |
796 | 791 |
797 IncludeMixinAtDeclaration clone() => | 792 IncludeMixinAtDeclaration clone() => |
798 new IncludeMixinAtDeclaration(include.clone(), span); | 793 new IncludeMixinAtDeclaration(include.clone(), span); |
799 visit(VisitorBase visitor) => visitor.visitIncludeMixinAtDeclaration(this); | 794 |
| 795 void visit(VisitorBase visitor) => |
| 796 visitor.visitIncludeMixinAtDeclaration(this); |
800 } | 797 } |
801 | 798 |
802 class ExtendDeclaration extends Declaration { | 799 class ExtendDeclaration extends Declaration { |
803 List<SimpleSelectorSequence> selectors; | 800 List<SimpleSelectorSequence> selectors; |
804 | 801 |
805 ExtendDeclaration(this.selectors, Span span) : | 802 ExtendDeclaration(this.selectors, Span span) : |
806 super(null, null, null, span); | 803 super(null, null, null, span); |
807 | 804 |
808 ExtendDeclaration clone() { | 805 ExtendDeclaration clone() { |
809 List<SimpleSelectorSequence> newSelector = []; | 806 List<SimpleSelectorSequence> newSelector = []; |
810 for (var selectorSeq in selectors) { | 807 for (var selectorSeq in selectors) { |
811 newSelector.add(selectorSeq.clone()); | 808 newSelector.add(selectorSeq.clone()); |
812 } | 809 } |
813 return new ExtendDeclaration(newSelector, span); | 810 return new ExtendDeclaration(newSelector, span); |
814 } | 811 } |
815 | 812 |
816 visit(VisitorBase visitor) => visitor.visitExtendDeclaration(this); | 813 void visit(VisitorBase visitor) => visitor.visitExtendDeclaration(this); |
817 } | 814 } |
818 | 815 |
819 class DeclarationGroup extends TreeNode { | 816 class DeclarationGroup extends TreeNode { |
820 /** Can be either Declaration or RuleSet (if nested selector). */ | 817 /** Can be either Declaration or RuleSet (if nested selector). */ |
821 final List _declarations; | 818 final List _declarations; |
822 | 819 |
823 DeclarationGroup(this._declarations, Span span) : super(span); | 820 DeclarationGroup(this._declarations, Span span) : super(span); |
824 | 821 |
825 List get declarations => _declarations; | 822 List get declarations => _declarations; |
826 | 823 |
827 DeclarationGroup clone() { | 824 DeclarationGroup clone() { |
828 var clonedDecls = []; | 825 var clonedDecls = []; |
829 for (var decl in _declarations) { | 826 for (var decl in _declarations) { |
830 clonedDecls.add(decl.clone()); | 827 clonedDecls.add(decl.clone()); |
831 } | 828 } |
832 return new DeclarationGroup(clonedDecls, span); | 829 return new DeclarationGroup(clonedDecls, span); |
833 } | 830 } |
834 visit(VisitorBase visitor) => visitor.visitDeclarationGroup(this); | 831 |
| 832 void visit(VisitorBase visitor) => visitor.visitDeclarationGroup(this); |
835 } | 833 } |
836 | 834 |
837 class MarginGroup extends DeclarationGroup { | 835 class MarginGroup extends DeclarationGroup { |
838 final int margin_sym; // TokenType for for @margin sym. | 836 final int margin_sym; // TokenType for for @margin sym. |
839 | 837 |
840 MarginGroup(this.margin_sym, List<Declaration> decls, Span span) | 838 MarginGroup(this.margin_sym, List<Declaration> decls, Span span) |
841 : super(decls, span); | 839 : super(decls, span); |
842 MarginGroup clone() => | 840 MarginGroup clone() => |
843 new MarginGroup(margin_sym, super.clone() as dynamic, span); | 841 new MarginGroup(margin_sym, super.clone() as dynamic, span); |
844 visit(VisitorBase visitor) => visitor.visitMarginGroup(this); | 842 void visit(VisitorBase visitor) => visitor.visitMarginGroup(this); |
845 } | 843 } |
846 | 844 |
847 class VarUsage extends Expression { | 845 class VarUsage extends Expression { |
848 final String name; | 846 final String name; |
849 final List<Expression> defaultValues; | 847 final List<Expression> defaultValues; |
850 | 848 |
851 VarUsage(this.name, this.defaultValues, Span span) : super(span); | 849 VarUsage(this.name, this.defaultValues, Span span) : super(span); |
852 | 850 |
853 VarUsage clone() { | 851 VarUsage clone() { |
854 var clonedValues = []; | 852 var clonedValues = []; |
855 for (var expr in defaultValues) { | 853 for (var expr in defaultValues) { |
856 clonedValues.addd(expr.clone()); | 854 clonedValues.add(expr.clone()); |
857 } | 855 } |
858 return new VarUsage(name, clonedValues, span); | 856 return new VarUsage(name, clonedValues, span); |
859 } | 857 } |
860 visit(VisitorBase visitor) => visitor.visitVarUsage(this); | 858 |
| 859 void visit(VisitorBase visitor) => visitor.visitVarUsage(this); |
861 } | 860 } |
862 | 861 |
863 class OperatorSlash extends Expression { | 862 class OperatorSlash extends Expression { |
864 OperatorSlash(Span span) : super(span); | 863 OperatorSlash(Span span) : super(span); |
865 OperatorSlash clone() => new OperatorSlash(span); | 864 OperatorSlash clone() => new OperatorSlash(span); |
866 visit(VisitorBase visitor) => visitor.visitOperatorSlash(this); | 865 void visit(VisitorBase visitor) => visitor.visitOperatorSlash(this); |
867 } | 866 } |
868 | 867 |
869 class OperatorComma extends Expression { | 868 class OperatorComma extends Expression { |
870 OperatorComma(Span span) : super(span); | 869 OperatorComma(Span span) : super(span); |
871 OperatorComma clone() => new OperatorComma(span); | 870 OperatorComma clone() => new OperatorComma(span); |
872 visit(VisitorBase visitor) => visitor.visitOperatorComma(this); | 871 void visit(VisitorBase visitor) => visitor.visitOperatorComma(this); |
873 } | 872 } |
874 | 873 |
875 class OperatorPlus extends Expression { | 874 class OperatorPlus extends Expression { |
876 OperatorPlus(Span span) : super(span); | 875 OperatorPlus(Span span) : super(span); |
877 OperatorPlus clone() => new OperatorPlus(span); | 876 OperatorPlus clone() => new OperatorPlus(span); |
878 visit(VisitorBase visitor) => visitor.visitOperatorPlus(this); | 877 void visit(VisitorBase visitor) => visitor.visitOperatorPlus(this); |
879 } | 878 } |
880 | 879 |
881 class OperatorMinus extends Expression { | 880 class OperatorMinus extends Expression { |
882 OperatorMinus(Span span) : super(span); | 881 OperatorMinus(Span span) : super(span); |
883 OperatorMinus clone() => new OperatorMinus(span); | 882 OperatorMinus clone() => new OperatorMinus(span); |
884 visit(VisitorBase visitor) => visitor.visitOperatorMinus(this); | 883 void visit(VisitorBase visitor) => visitor.visitOperatorMinus(this); |
885 } | 884 } |
886 | 885 |
887 class UnicodeRangeTerm extends Expression { | 886 class UnicodeRangeTerm extends Expression { |
888 final String first; | 887 final String first; |
889 final String second; | 888 final String second; |
890 | 889 |
891 UnicodeRangeTerm(this.first, this.second, Span span) : super(span); | 890 UnicodeRangeTerm(this.first, this.second, Span span) : super(span); |
892 | 891 |
893 bool get hasSecond => second != null; | 892 bool get hasSecond => second != null; |
894 | 893 |
895 UnicodeRangeTerm clone() => new UnicodeRangeTerm(first, second, span); | 894 UnicodeRangeTerm clone() => new UnicodeRangeTerm(first, second, span); |
896 | 895 |
897 visit(VisitorBase visitor) => visitor.visitUnicodeRangeTerm(this); | 896 void visit(VisitorBase visitor) => visitor.visitUnicodeRangeTerm(this); |
898 } | 897 } |
899 | 898 |
900 class LiteralTerm extends Expression { | 899 class LiteralTerm extends Expression { |
901 // TODO(terry): value and text fields can be made final once all CSS resources | 900 // TODO(terry): value and text fields can be made final once all CSS resources |
902 // are copied/symlink'd in the build tool and UriVisitor in | 901 // are copied/symlink'd in the build tool and UriVisitor in |
903 // web_ui is removed. | 902 // web_ui is removed. |
904 var value; | 903 dynamic value; |
905 String text; | 904 String text; |
906 | 905 |
907 LiteralTerm(this.value, this.text, Span span) : super(span); | 906 LiteralTerm(this.value, this.text, Span span) : super(span); |
908 | 907 |
909 LiteralTerm clone() => new LiteralTerm(value, text, span); | 908 LiteralTerm clone() => new LiteralTerm(value, text, span); |
910 | 909 |
911 visit(VisitorBase visitor) => visitor.visitLiteralTerm(this); | 910 void visit(VisitorBase visitor) => visitor.visitLiteralTerm(this); |
912 } | 911 } |
913 | 912 |
914 class NumberTerm extends LiteralTerm { | 913 class NumberTerm extends LiteralTerm { |
915 NumberTerm(value, String t, Span span) : super(value, t, span); | 914 NumberTerm(value, String t, Span span) : super(value, t, span); |
916 NumberTerm clone() => new NumberTerm(value, text, span); | 915 NumberTerm clone() => new NumberTerm(value, text, span); |
917 visit(VisitorBase visitor) => visitor.visitNumberTerm(this); | 916 void visit(VisitorBase visitor) => visitor.visitNumberTerm(this); |
918 } | 917 } |
919 | 918 |
920 class UnitTerm extends LiteralTerm { | 919 class UnitTerm extends LiteralTerm { |
921 final int _unit; | 920 final int _unit; |
922 | 921 |
923 UnitTerm(value, String t, Span span, this._unit) : super(value, t, span); | 922 UnitTerm(value, String t, Span span, this._unit) : super(value, t, span); |
924 | 923 |
925 int get unit => _unit; | 924 int get unit => _unit; |
926 | 925 |
927 UnitTerm clone() => new UnitTerm(value, text, span, _unit); | 926 UnitTerm clone() => new UnitTerm(value, text, span, _unit); |
928 | 927 |
929 visit(VisitorBase visitor) => visitor.visitUnitTerm(this); | 928 void visit(VisitorBase visitor) => visitor.visitUnitTerm(this); |
930 | 929 |
931 String unitToString() => TokenKind.unitToString(_unit); | 930 String unitToString() => TokenKind.unitToString(_unit); |
932 | 931 |
933 String toString() => '$text${unitToString()}'; | 932 String toString() => '$text${unitToString()}'; |
934 } | 933 } |
935 | 934 |
936 class LengthTerm extends UnitTerm { | 935 class LengthTerm extends UnitTerm { |
937 LengthTerm(value, String t, Span span, | 936 LengthTerm(value, String t, Span span, |
938 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 937 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
939 assert(this._unit == TokenKind.UNIT_LENGTH_PX || | 938 assert(this._unit == TokenKind.UNIT_LENGTH_PX || |
940 this._unit == TokenKind.UNIT_LENGTH_CM || | 939 this._unit == TokenKind.UNIT_LENGTH_CM || |
941 this._unit == TokenKind.UNIT_LENGTH_MM || | 940 this._unit == TokenKind.UNIT_LENGTH_MM || |
942 this._unit == TokenKind.UNIT_LENGTH_IN || | 941 this._unit == TokenKind.UNIT_LENGTH_IN || |
943 this._unit == TokenKind.UNIT_LENGTH_PT || | 942 this._unit == TokenKind.UNIT_LENGTH_PT || |
944 this._unit == TokenKind.UNIT_LENGTH_PC); | 943 this._unit == TokenKind.UNIT_LENGTH_PC); |
945 } | 944 } |
946 LengthTerm clone() => new LengthTerm(value, text, span, _unit); | 945 LengthTerm clone() => new LengthTerm(value, text, span, _unit); |
947 visit(VisitorBase visitor) => visitor.visitLengthTerm(this); | 946 void visit(VisitorBase visitor) => visitor.visitLengthTerm(this); |
948 } | 947 } |
949 | 948 |
950 class PercentageTerm extends LiteralTerm { | 949 class PercentageTerm extends LiteralTerm { |
951 PercentageTerm(value, String t, Span span) : super(value, t, span); | 950 PercentageTerm(value, String t, Span span) : super(value, t, span); |
952 PercentageTerm clone() => new PercentageTerm(value, text, span); | 951 PercentageTerm clone() => new PercentageTerm(value, text, span); |
953 visit(VisitorBase visitor) => visitor.visitPercentageTerm(this); | 952 void visit(VisitorBase visitor) => visitor.visitPercentageTerm(this); |
954 } | 953 } |
955 | 954 |
956 class EmTerm extends LiteralTerm { | 955 class EmTerm extends LiteralTerm { |
957 EmTerm(value, String t, Span span) : super(value, t, span); | 956 EmTerm(value, String t, Span span) : super(value, t, span); |
958 EmTerm clone() => new EmTerm(value, text, span); | 957 EmTerm clone() => new EmTerm(value, text, span); |
959 visit(VisitorBase visitor) => visitor.visitEmTerm(this); | 958 void visit(VisitorBase visitor) => visitor.visitEmTerm(this); |
960 } | 959 } |
961 | 960 |
962 class ExTerm extends LiteralTerm { | 961 class ExTerm extends LiteralTerm { |
963 ExTerm(value, String t, Span span) : super(value, t, span); | 962 ExTerm(value, String t, Span span) : super(value, t, span); |
964 ExTerm clone() => new ExTerm(value, text, span); | 963 ExTerm clone() => new ExTerm(value, text, span); |
965 visit(VisitorBase visitor) => visitor.visitExTerm(this); | 964 void visit(VisitorBase visitor) => visitor.visitExTerm(this); |
966 } | 965 } |
967 | 966 |
968 class AngleTerm extends UnitTerm { | 967 class AngleTerm extends UnitTerm { |
969 AngleTerm(var value, String t, Span span, | 968 AngleTerm(var value, String t, Span span, |
970 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 969 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
971 assert(this._unit == TokenKind.UNIT_ANGLE_DEG || | 970 assert(this._unit == TokenKind.UNIT_ANGLE_DEG || |
972 this._unit == TokenKind.UNIT_ANGLE_RAD || | 971 this._unit == TokenKind.UNIT_ANGLE_RAD || |
973 this._unit == TokenKind.UNIT_ANGLE_GRAD || | 972 this._unit == TokenKind.UNIT_ANGLE_GRAD || |
974 this._unit == TokenKind.UNIT_ANGLE_TURN); | 973 this._unit == TokenKind.UNIT_ANGLE_TURN); |
975 } | 974 } |
976 | 975 |
977 AngleTerm clone() => new AngleTerm(value, text, span, unit); | 976 AngleTerm clone() => new AngleTerm(value, text, span, unit); |
978 visit(VisitorBase visitor) => visitor.visitAngleTerm(this); | 977 void visit(VisitorBase visitor) => visitor.visitAngleTerm(this); |
979 } | 978 } |
980 | 979 |
981 class TimeTerm extends UnitTerm { | 980 class TimeTerm extends UnitTerm { |
982 TimeTerm(var value, String t, Span span, | 981 TimeTerm(var value, String t, Span span, |
983 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 982 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
984 assert(this._unit == TokenKind.UNIT_ANGLE_DEG || | 983 assert(this._unit == TokenKind.UNIT_ANGLE_DEG || |
985 this._unit == TokenKind.UNIT_TIME_MS || | 984 this._unit == TokenKind.UNIT_TIME_MS || |
986 this._unit == TokenKind.UNIT_TIME_S); | 985 this._unit == TokenKind.UNIT_TIME_S); |
987 } | 986 } |
988 | 987 |
989 TimeTerm clone() => new TimeTerm(value, text, span, unit); | 988 TimeTerm clone() => new TimeTerm(value, text, span, unit); |
990 visit(VisitorBase visitor) => visitor.visitTimeTerm(this); | 989 void visit(VisitorBase visitor) => visitor.visitTimeTerm(this); |
991 } | 990 } |
992 | 991 |
993 class FreqTerm extends UnitTerm { | 992 class FreqTerm extends UnitTerm { |
994 FreqTerm(var value, String t, Span span, | 993 FreqTerm(var value, String t, Span span, |
995 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 994 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
996 assert(_unit == TokenKind.UNIT_FREQ_HZ || _unit == TokenKind.UNIT_FREQ_KHZ); | 995 assert(_unit == TokenKind.UNIT_FREQ_HZ || _unit == TokenKind.UNIT_FREQ_KHZ); |
997 } | 996 } |
998 | 997 |
999 FreqTerm clone() => new FreqTerm(value, text, span, unit); | 998 FreqTerm clone() => new FreqTerm(value, text, span, unit); |
1000 visit(VisitorBase visitor) => visitor.visitFreqTerm(this); | 999 void visit(VisitorBase visitor) => visitor.visitFreqTerm(this); |
1001 } | 1000 } |
1002 | 1001 |
1003 class FractionTerm extends LiteralTerm { | 1002 class FractionTerm extends LiteralTerm { |
1004 FractionTerm(var value, String t, Span span) : super(value, t, span); | 1003 FractionTerm(var value, String t, Span span) : super(value, t, span); |
1005 | 1004 |
1006 FractionTerm clone() => new FractionTerm(value, text, span); | 1005 FractionTerm clone() => new FractionTerm(value, text, span); |
1007 visit(VisitorBase visitor) => visitor.visitFractionTerm(this); | 1006 void visit(VisitorBase visitor) => visitor.visitFractionTerm(this); |
1008 } | 1007 } |
1009 | 1008 |
1010 class UriTerm extends LiteralTerm { | 1009 class UriTerm extends LiteralTerm { |
1011 UriTerm(String value, Span span) : super(value, value, span); | 1010 UriTerm(String value, Span span) : super(value, value, span); |
1012 | 1011 |
1013 UriTerm clone() => new UriTerm(value, span); | 1012 UriTerm clone() => new UriTerm(value, span); |
1014 visit(VisitorBase visitor) => visitor.visitUriTerm(this); | 1013 void visit(VisitorBase visitor) => visitor.visitUriTerm(this); |
1015 } | 1014 } |
1016 | 1015 |
1017 class ResolutionTerm extends UnitTerm { | 1016 class ResolutionTerm extends UnitTerm { |
1018 ResolutionTerm(var value, String t, Span span, | 1017 ResolutionTerm(var value, String t, Span span, |
1019 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 1018 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
1020 assert(_unit == TokenKind.UNIT_RESOLUTION_DPI || | 1019 assert(_unit == TokenKind.UNIT_RESOLUTION_DPI || |
1021 _unit == TokenKind.UNIT_RESOLUTION_DPCM || | 1020 _unit == TokenKind.UNIT_RESOLUTION_DPCM || |
1022 _unit == TokenKind.UNIT_RESOLUTION_DPPX); | 1021 _unit == TokenKind.UNIT_RESOLUTION_DPPX); |
1023 } | 1022 } |
1024 | 1023 |
1025 ResolutionTerm clone() => new ResolutionTerm(value, text, span, unit); | 1024 ResolutionTerm clone() => new ResolutionTerm(value, text, span, unit); |
1026 visit(VisitorBase visitor) => visitor.visitResolutionTerm(this); | 1025 void visit(VisitorBase visitor) => visitor.visitResolutionTerm(this); |
1027 } | 1026 } |
1028 | 1027 |
1029 class ChTerm extends UnitTerm { | 1028 class ChTerm extends UnitTerm { |
1030 ChTerm(var value, String t, Span span, | 1029 ChTerm(var value, String t, Span span, |
1031 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 1030 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
1032 assert(_unit == TokenKind.UNIT_CH); | 1031 assert(_unit == TokenKind.UNIT_CH); |
1033 } | 1032 } |
1034 | 1033 |
1035 ChTerm clone() => new ChTerm(value, text, span, unit); | 1034 ChTerm clone() => new ChTerm(value, text, span, unit); |
1036 visit(VisitorBase visitor) => visitor.visitChTerm(this); | 1035 void visit(VisitorBase visitor) => visitor.visitChTerm(this); |
1037 } | 1036 } |
1038 | 1037 |
1039 class RemTerm extends UnitTerm { | 1038 class RemTerm extends UnitTerm { |
1040 RemTerm(var value, String t, Span span, | 1039 RemTerm(var value, String t, Span span, |
1041 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 1040 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
1042 assert(_unit == TokenKind.UNIT_REM); | 1041 assert(_unit == TokenKind.UNIT_REM); |
1043 } | 1042 } |
1044 | 1043 |
1045 RemTerm clone() => new RemTerm(value, text, span, unit); | 1044 RemTerm clone() => new RemTerm(value, text, span, unit); |
1046 visit(VisitorBase visitor) => visitor.visitRemTerm(this); | 1045 void visit(VisitorBase visitor) => visitor.visitRemTerm(this); |
1047 } | 1046 } |
1048 | 1047 |
1049 class ViewportTerm extends UnitTerm { | 1048 class ViewportTerm extends UnitTerm { |
1050 ViewportTerm(var value, String t, Span span, | 1049 ViewportTerm(var value, String t, Span span, |
1051 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { | 1050 [int unit = TokenKind.UNIT_LENGTH_PX]) : super(value, t, span, unit) { |
1052 assert(_unit == TokenKind.UNIT_VIEWPORT_VW || | 1051 assert(_unit == TokenKind.UNIT_VIEWPORT_VW || |
1053 _unit == TokenKind.UNIT_VIEWPORT_VH || | 1052 _unit == TokenKind.UNIT_VIEWPORT_VH || |
1054 _unit == TokenKind.UNIT_VIEWPORT_VMIN || | 1053 _unit == TokenKind.UNIT_VIEWPORT_VMIN || |
1055 _unit == TokenKind.UNIT_VIEWPORT_VMAX); | 1054 _unit == TokenKind.UNIT_VIEWPORT_VMAX); |
1056 } | 1055 } |
1057 | 1056 |
1058 ViewportTerm clone() => new ViewportTerm(value, text, span, unit); | 1057 ViewportTerm clone() => new ViewportTerm(value, text, span, unit); |
1059 visit(VisitorBase visitor) => visitor.visitViewportTerm(this); | 1058 void visit(VisitorBase visitor) => visitor.visitViewportTerm(this); |
1060 } | 1059 } |
1061 | 1060 |
1062 /** Type to signal a bad hex value for HexColorTerm.value. */ | 1061 /** Type to signal a bad hex value for HexColorTerm.value. */ |
1063 class BAD_HEX_VALUE { } | 1062 class BAD_HEX_VALUE { } |
1064 | 1063 |
1065 class HexColorTerm extends LiteralTerm { | 1064 class HexColorTerm extends LiteralTerm { |
1066 HexColorTerm(var value, String t, Span span) : super(value, t, span); | 1065 HexColorTerm(var value, String t, Span span) : super(value, t, span); |
1067 | 1066 |
1068 HexColorTerm clone() => new HexColorTerm(value, text, span); | 1067 HexColorTerm clone() => new HexColorTerm(value, text, span); |
1069 visit(VisitorBase visitor) => visitor.visitHexColorTerm(this); | 1068 void visit(VisitorBase visitor) => visitor.visitHexColorTerm(this); |
1070 } | 1069 } |
1071 | 1070 |
1072 class FunctionTerm extends LiteralTerm { | 1071 class FunctionTerm extends LiteralTerm { |
1073 final Expressions _params; | 1072 final Expressions _params; |
1074 | 1073 |
1075 FunctionTerm(var value, String t, this._params, Span span) | 1074 FunctionTerm(var value, String t, this._params, Span span) |
1076 : super(value, t, span); | 1075 : super(value, t, span); |
1077 | 1076 |
1078 FunctionTerm clone() => new FunctionTerm(value, text, _params.clone(), span); | 1077 FunctionTerm clone() => new FunctionTerm(value, text, _params.clone(), span); |
1079 visit(VisitorBase visitor) => visitor.visitFunctionTerm(this); | 1078 void visit(VisitorBase visitor) => visitor.visitFunctionTerm(this); |
1080 } | 1079 } |
1081 | 1080 |
1082 /** | 1081 /** |
1083 * A "\9" was encountered at the end of the expression and before a semi-colon. | 1082 * A "\9" was encountered at the end of the expression and before a semi-colon. |
1084 * This is an IE trick to ignore a property or value except by IE 8 and older | 1083 * This is an IE trick to ignore a property or value except by IE 8 and older |
1085 * browsers. | 1084 * browsers. |
1086 */ | 1085 */ |
1087 class IE8Term extends LiteralTerm { | 1086 class IE8Term extends LiteralTerm { |
1088 IE8Term(Span span) : super('\\9', '\\9', span); | 1087 IE8Term(Span span) : super('\\9', '\\9', span); |
1089 IE8Term clone() => new IE8Term(span); | 1088 IE8Term clone() => new IE8Term(span); |
1090 visit(VisitorBase visitor) => visitor.visitIE8Term(this); | 1089 void visit(VisitorBase visitor) => visitor.visitIE8Term(this); |
1091 } | 1090 } |
1092 | 1091 |
1093 class GroupTerm extends Expression { | 1092 class GroupTerm extends Expression { |
1094 final List<LiteralTerm> _terms; | 1093 final List<LiteralTerm> _terms; |
1095 | 1094 |
1096 GroupTerm(Span span) : _terms = [], super(span); | 1095 GroupTerm(Span span) : _terms = [], super(span); |
1097 | 1096 |
1098 add(LiteralTerm term) { | 1097 add(LiteralTerm term) { |
1099 _terms.add(term); | 1098 _terms.add(term); |
1100 } | 1099 } |
1101 | 1100 |
1102 GroupTerm clone() => new GroupTerm(span); | 1101 GroupTerm clone() => new GroupTerm(span); |
1103 visit(VisitorBase visitor) => visitor.visitGroupTerm(this); | 1102 void visit(VisitorBase visitor) => visitor.visitGroupTerm(this); |
1104 } | 1103 } |
1105 | 1104 |
1106 class ItemTerm extends NumberTerm { | 1105 class ItemTerm extends NumberTerm { |
1107 ItemTerm(var value, String t, Span span) : super(value, t, span); | 1106 ItemTerm(var value, String t, Span span) : super(value, t, span); |
1108 | 1107 |
1109 ItemTerm clone() => new ItemTerm(value, text, span); | 1108 ItemTerm clone() => new ItemTerm(value, text, span); |
1110 visit(VisitorBase visitor) => visitor.visitItemTerm(this); | 1109 void visit(VisitorBase visitor) => visitor.visitItemTerm(this); |
1111 } | 1110 } |
1112 | 1111 |
1113 class Expressions extends Expression { | 1112 class Expressions extends Expression { |
1114 final List<Expression> expressions = []; | 1113 final List<Expression> expressions = []; |
1115 | 1114 |
1116 Expressions(Span span): super(span); | 1115 Expressions(Span span): super(span); |
1117 | 1116 |
1118 add(Expression expression) { | 1117 add(Expression expression) { |
1119 expressions.add(expression); | 1118 expressions.add(expression); |
1120 } | 1119 } |
1121 | 1120 |
1122 Expressions clone() { | 1121 Expressions clone() { |
1123 var clonedExprs = new Expressions(span); | 1122 var clonedExprs = new Expressions(span); |
1124 for (var expr in expressions) { | 1123 for (var expr in expressions) { |
1125 clonedExprs.add(expr.clone()); | 1124 clonedExprs.add(expr.clone()); |
1126 } | 1125 } |
1127 return clonedExprs; | 1126 return clonedExprs; |
1128 } | 1127 } |
1129 visit(VisitorBase visitor) => visitor.visitExpressions(this); | 1128 void visit(VisitorBase visitor) => visitor.visitExpressions(this); |
1130 } | 1129 } |
1131 | 1130 |
1132 class BinaryExpression extends Expression { | 1131 class BinaryExpression extends Expression { |
1133 final Token op; | 1132 final Token op; |
1134 final Expression x; | 1133 final Expression x; |
1135 final Expression y; | 1134 final Expression y; |
1136 | 1135 |
1137 BinaryExpression(this.op, this.x, this.y, Span span): super(span); | 1136 BinaryExpression(this.op, this.x, this.y, Span span): super(span); |
1138 | 1137 |
1139 BinaryExpression clone() => | 1138 BinaryExpression clone() => |
1140 new BinaryExpression(op, x.clone(), y.clone(), span); | 1139 new BinaryExpression(op, x.clone(), y.clone(), span); |
1141 visit(VisitorBase visitor) => visitor.visitBinaryExpression(this); | 1140 void visit(VisitorBase visitor) => visitor.visitBinaryExpression(this); |
1142 } | 1141 } |
1143 | 1142 |
1144 class UnaryExpression extends Expression { | 1143 class UnaryExpression extends Expression { |
1145 final Token op; | 1144 final Token op; |
1146 final Expression self; | 1145 final Expression self; |
1147 | 1146 |
1148 UnaryExpression(this.op, this.self, Span span): super(span); | 1147 UnaryExpression(this.op, this.self, Span span): super(span); |
1149 | 1148 |
1150 UnaryExpression clone() => new UnaryExpression(op, self.clone(), span); | 1149 UnaryExpression clone() => new UnaryExpression(op, self.clone(), span); |
1151 visit(VisitorBase visitor) => visitor.visitUnaryExpression(this); | 1150 void visit(VisitorBase visitor) => visitor.visitUnaryExpression(this); |
1152 } | 1151 } |
1153 | 1152 |
1154 abstract class DartStyleExpression extends TreeNode { | 1153 abstract class DartStyleExpression extends TreeNode { |
1155 static final int unknownType = 0; | 1154 static final int unknownType = 0; |
1156 static final int fontStyle = 1; | 1155 static final int fontStyle = 1; |
1157 static final int marginStyle = 2; | 1156 static final int marginStyle = 2; |
1158 static final int borderStyle = 3; | 1157 static final int borderStyle = 3; |
1159 static final int paddingStyle = 4; | 1158 static final int paddingStyle = 4; |
1160 static final int heightStyle = 5; | 1159 static final int heightStyle = 5; |
1161 static final int widthStyle = 6; | 1160 static final int widthStyle = 6; |
(...skipping 14 matching lines...) Expand all Loading... |
1176 bool get isFont => _styleType == fontStyle; | 1175 bool get isFont => _styleType == fontStyle; |
1177 bool get isMargin => _styleType == marginStyle; | 1176 bool get isMargin => _styleType == marginStyle; |
1178 bool get isBorder => _styleType == borderStyle; | 1177 bool get isBorder => _styleType == borderStyle; |
1179 bool get isPadding => _styleType == paddingStyle; | 1178 bool get isPadding => _styleType == paddingStyle; |
1180 bool get isHeight => _styleType == heightStyle; | 1179 bool get isHeight => _styleType == heightStyle; |
1181 bool get isWidth => _styleType == widthStyle; | 1180 bool get isWidth => _styleType == widthStyle; |
1182 bool get isBoxExpression => isMargin || isBorder || isPadding; | 1181 bool get isBoxExpression => isMargin || isBorder || isPadding; |
1183 | 1182 |
1184 bool isSame(DartStyleExpression other) => this._styleType == other._styleType; | 1183 bool isSame(DartStyleExpression other) => this._styleType == other._styleType; |
1185 | 1184 |
1186 visit(VisitorBase visitor) => visitor.visitDartStyleExpression(this); | 1185 void visit(VisitorBase visitor) => visitor.visitDartStyleExpression(this); |
1187 } | 1186 } |
1188 | 1187 |
1189 class FontExpression extends DartStyleExpression { | 1188 class FontExpression extends DartStyleExpression { |
1190 Font font; | 1189 Font font; |
1191 | 1190 |
1192 // font-style font-variant font-weight font-size/line-height font-family | 1191 // font-style font-variant font-weight font-size/line-height font-family |
1193 FontExpression(Span span, {var size, List<String>family, | 1192 FontExpression(Span span, {dynamic size, List<String>family, |
1194 int weight, String style, String variant, LineHeight lineHeight}) | 1193 int weight, String style, String variant, LineHeight lineHeight}) |
1195 : super(DartStyleExpression.fontStyle, span) { | 1194 : super(DartStyleExpression.fontStyle, span) { |
1196 // TODO(terry): Only px/pt for now need to handle all possible units to | 1195 // TODO(terry): Only px/pt for now need to handle all possible units to |
1197 // support calc expressions on units. | 1196 // support calc expressions on units. |
1198 font = new Font(size : size is LengthTerm ? size.value : size, | 1197 font = new Font(size : size is LengthTerm ? size.value : size, |
1199 family: family, weight: weight, style: style, variant: variant, | 1198 family: family, weight: weight, style: style, variant: variant, |
1200 lineHeight: lineHeight); | 1199 lineHeight: lineHeight); |
1201 } | 1200 } |
1202 | 1201 |
1203 merged(FontExpression newFontExpr) { | 1202 merged(FontExpression newFontExpr) { |
(...skipping 13 matching lines...) Expand all Loading... |
1217 | 1216 |
1218 FontExpression._merge(FontExpression x, FontExpression y, Span span) | 1217 FontExpression._merge(FontExpression x, FontExpression y, Span span) |
1219 : super(DartStyleExpression.fontStyle, span), | 1218 : super(DartStyleExpression.fontStyle, span), |
1220 font = new Font.merge(x.font, y.font); | 1219 font = new Font.merge(x.font, y.font); |
1221 | 1220 |
1222 FontExpression clone() => | 1221 FontExpression clone() => |
1223 new FontExpression(span, size: font.size, family: font.family, | 1222 new FontExpression(span, size: font.size, family: font.family, |
1224 weight: font.weight, style: font.style, variant: font.variant, | 1223 weight: font.weight, style: font.style, variant: font.variant, |
1225 lineHeight: font.lineHeight); | 1224 lineHeight: font.lineHeight); |
1226 | 1225 |
1227 visit(VisitorBase visitor) => visitor.visitFontExpression(this); | 1226 void visit(VisitorBase visitor) => visitor.visitFontExpression(this); |
1228 } | 1227 } |
1229 | 1228 |
1230 abstract class BoxExpression extends DartStyleExpression { | 1229 abstract class BoxExpression extends DartStyleExpression { |
1231 final BoxEdge box; | 1230 final BoxEdge box; |
1232 | 1231 |
1233 BoxExpression(int styleType, Span span, this.box) | 1232 BoxExpression(int styleType, Span span, this.box) |
1234 : super(styleType, span); | 1233 : super(styleType, span); |
1235 | 1234 |
1236 /* | 1235 /* |
1237 * Merges give 2 DartStyleExpression (or derived from DartStyleExpression, | 1236 * Merges give 2 DartStyleExpression (or derived from DartStyleExpression, |
1238 * e.g., FontExpression, etc.) will merge if the two expressions are of the | 1237 * e.g., FontExpression, etc.) will merge if the two expressions are of the |
1239 * same property name (implies same exact type e.g, FontExpression). | 1238 * same property name (implies same exact type e.g, FontExpression). |
1240 */ | 1239 */ |
1241 merged(BoxExpression newDartExpr); | 1240 merged(BoxExpression newDartExpr); |
1242 | 1241 |
1243 visit(VisitorBase visitor) => visitor.visitBoxExpression(this); | 1242 void visit(VisitorBase visitor) => visitor.visitBoxExpression(this); |
1244 | 1243 |
1245 String get formattedBoxEdge { | 1244 String get formattedBoxEdge { |
1246 if (box.top == box.left && box.top == box.bottom && | 1245 if (box.top == box.left && box.top == box.bottom && |
1247 box.top== box.right) { | 1246 box.top== box.right) { |
1248 return '.uniform(${box.top})'; | 1247 return '.uniform(${box.top})'; |
1249 } else { | 1248 } else { |
1250 var left = box.left == null ? 0 : box.left; | 1249 var left = box.left == null ? 0 : box.left; |
1251 var top = box.top == null ? 0 : box.top; | 1250 var top = box.top == null ? 0 : box.top; |
1252 var right = box.right == null ? 0 : box.right; | 1251 var right = box.right == null ? 0 : box.right; |
1253 var bottom = box.bottom == null ? 0 : box.bottom; | 1252 var bottom = box.bottom == null ? 0 : box.bottom; |
(...skipping 27 matching lines...) Expand all Loading... |
1281 return new MarginExpression._merge(x, y, y.span); | 1280 return new MarginExpression._merge(x, y, y.span); |
1282 } | 1281 } |
1283 | 1282 |
1284 MarginExpression._merge(MarginExpression x, MarginExpression y, Span span) | 1283 MarginExpression._merge(MarginExpression x, MarginExpression y, Span span) |
1285 : super(x._styleType, span, new BoxEdge.merge(x.box, y.box)); | 1284 : super(x._styleType, span, new BoxEdge.merge(x.box, y.box)); |
1286 | 1285 |
1287 MarginExpression clone() => | 1286 MarginExpression clone() => |
1288 new MarginExpression(span, top: box.top, right: box.right, | 1287 new MarginExpression(span, top: box.top, right: box.right, |
1289 bottom: box.bottom, left: box.left); | 1288 bottom: box.bottom, left: box.left); |
1290 | 1289 |
1291 visit(VisitorBase visitor) => visitor.visitMarginExpression(this); | 1290 void visit(VisitorBase visitor) => visitor.visitMarginExpression(this); |
1292 } | 1291 } |
1293 | 1292 |
1294 class BorderExpression extends BoxExpression { | 1293 class BorderExpression extends BoxExpression { |
1295 /** Border expression ripped apart. */ | 1294 /** Border expression ripped apart. */ |
1296 BorderExpression(Span span, {num top, num right, num bottom, num left}) | 1295 BorderExpression(Span span, {num top, num right, num bottom, num left}) |
1297 : super(DartStyleExpression.borderStyle, span, | 1296 : super(DartStyleExpression.borderStyle, span, |
1298 new BoxEdge(left, top, right, bottom)); | 1297 new BoxEdge(left, top, right, bottom)); |
1299 | 1298 |
1300 BorderExpression.boxEdge(Span span, BoxEdge box) | 1299 BorderExpression.boxEdge(Span span, BoxEdge box) |
1301 : super(DartStyleExpression.borderStyle, span, box); | 1300 : super(DartStyleExpression.borderStyle, span, box); |
(...skipping 15 matching lines...) Expand all Loading... |
1317 | 1316 |
1318 BorderExpression._merge(BorderExpression x, BorderExpression y, | 1317 BorderExpression._merge(BorderExpression x, BorderExpression y, |
1319 Span span) | 1318 Span span) |
1320 : super(DartStyleExpression.borderStyle, span, | 1319 : super(DartStyleExpression.borderStyle, span, |
1321 new BoxEdge.merge(x.box, y.box)); | 1320 new BoxEdge.merge(x.box, y.box)); |
1322 | 1321 |
1323 BorderExpression clone() => | 1322 BorderExpression clone() => |
1324 new BorderExpression(span, top: box.top, right: box.right, | 1323 new BorderExpression(span, top: box.top, right: box.right, |
1325 bottom: box.bottom, left: box.left); | 1324 bottom: box.bottom, left: box.left); |
1326 | 1325 |
1327 visit(VisitorBase visitor) => visitor.visitBorderExpression(this); | 1326 void visit(VisitorBase visitor) => visitor.visitBorderExpression(this); |
1328 } | 1327 } |
1329 | 1328 |
1330 class HeightExpression extends DartStyleExpression { | 1329 class HeightExpression extends DartStyleExpression { |
1331 final height; | 1330 final height; |
1332 | 1331 |
1333 HeightExpression(Span span, this.height) | 1332 HeightExpression(Span span, this.height) |
1334 : super(DartStyleExpression.heightStyle, span); | 1333 : super(DartStyleExpression.heightStyle, span); |
1335 | 1334 |
1336 merged(HeightExpression newHeightExpr) { | 1335 merged(HeightExpression newHeightExpr) { |
1337 if (this.isHeight && newHeightExpr.isHeight) { | 1336 if (this.isHeight && newHeightExpr.isHeight) { |
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1389 | 1388 |
1390 PaddingExpression._merge(PaddingExpression x, PaddingExpression y, Span span) | 1389 PaddingExpression._merge(PaddingExpression x, PaddingExpression y, Span span) |
1391 : super(DartStyleExpression.paddingStyle, span, | 1390 : super(DartStyleExpression.paddingStyle, span, |
1392 new BoxEdge.merge(x.box, y.box)); | 1391 new BoxEdge.merge(x.box, y.box)); |
1393 | 1392 |
1394 PaddingExpression clone() => | 1393 PaddingExpression clone() => |
1395 new PaddingExpression(span, top: box.top, right: box.right, | 1394 new PaddingExpression(span, top: box.top, right: box.right, |
1396 bottom: box.bottom, left: box.left); | 1395 bottom: box.bottom, left: box.left); |
1397 visit(VisitorBase visitor) => visitor.visitPaddingExpression(this); | 1396 visit(VisitorBase visitor) => visitor.visitPaddingExpression(this); |
1398 } | 1397 } |
OLD | NEW |