89 lines
2.9 KiB
Plaintext
89 lines
2.9 KiB
Plaintext
// Copyright (C) 2013 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview
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* Registers a language handler Dart.
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* Loosely structured based on the DartLexer in Pygments: http://pygments.org/.
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*
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* To use, include prettify.js and this file in your HTML page.
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* Then put your code in an HTML tag like
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* <pre class="prettyprint lang-dart">(Dart code)</pre>
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*
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* @author armstrong.timothy@gmail.com
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*/
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PR['registerLangHandler'](
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PR['createSimpleLexer'](
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[
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// Whitespace.
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[PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0']
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],
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[
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// Script tag.
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[PR['PR_COMMENT'], /^#!(?:.*)/],
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// `import`, `library`, `part of`, `part`, `as`, `show`, and `hide`
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// keywords.
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[PR['PR_KEYWORD'], /^\b(?:import|library|part of|part|as|show|hide)\b/i],
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// Single-line comments.
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[PR['PR_COMMENT'], /^\/\/(?:.*)/],
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// Multiline comments.
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[PR['PR_COMMENT'], /^\/\*[^*]*\*+(?:[^\/*][^*]*\*+)*\//], // */
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// `class` and `interface` keywords.
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[PR['PR_KEYWORD'], /^\b(?:class|interface)\b/i],
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// General keywords.
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[PR['PR_KEYWORD'], /^\b(?:assert|break|case|catch|continue|default|do|else|finally|for|if|in|is|new|return|super|switch|this|throw|try|while)\b/i],
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// Declaration keywords.
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[PR['PR_KEYWORD'], /^\b(?:abstract|const|extends|factory|final|get|implements|native|operator|set|static|typedef|var)\b/i],
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// Keywords for types.
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[PR['PR_TYPE'], /^\b(?:bool|double|Dynamic|int|num|Object|String|void)\b/i],
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// Keywords for constants.
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[PR['PR_KEYWORD'], /^\b(?:false|null|true)\b/i],
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// Multiline strings, single- and double-quoted.
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[PR['PR_STRING'], /^r?[\']{3}[\s|\S]*?[^\\][\']{3}/],
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[PR['PR_STRING'], /^r?[\"]{3}[\s|\S]*?[^\\][\"]{3}/],
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// Normal and raw strings, single- and double-quoted.
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[PR['PR_STRING'], /^r?\'(\'|(?:[^\n\r\f])*?[^\\]\')/],
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[PR['PR_STRING'], /^r?\"(\"|(?:[^\n\r\f])*?[^\\]\")/],
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// Identifiers.
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[PR['PR_PLAIN'], /^[a-z_$][a-z0-9_]*/i],
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// Operators.
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[PR['PR_PUNCTUATION'], /^[~!%^&*+=|?:<>/-]/],
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// Hex numbers.
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[PR['PR_LITERAL'], /^\b0x[0-9a-f]+/i],
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// Decimal numbers.
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[PR['PR_LITERAL'], /^\b\d+(?:\.\d*)?(?:e[+-]?\d+)?/i],
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[PR['PR_LITERAL'], /^\b\.\d+(?:e[+-]?\d+)?/i],
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// Punctuation.
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[PR['PR_PUNCTUATION'], /^[(){}\[\],.;]/]
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]),
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['dart']);
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