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mikesamuel@gmail.com
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Timothy Armstrong's dart prettify mode
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‎src/lang-dart.js‎

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// 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']);

‎tests/prettify_test_2.html‎

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@@ -493,6 +493,51 @@ <h1>Issue 201: C type not full word</h1>
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>static Persistent&lt;String&gt; listeners_symbol;</code>
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</body>
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<h1>Dart language handler</h1>
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<pre class="prettyprint lang-dart" id="dart">
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part of myLib;
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part 'something.dart';
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import 'dart:math' as test show foo, bar;
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class Point {
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final num x, y;
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Point(this.x, this.y);
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Point.zero() : x = 0, y = 0; // Named constructor
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// with an initializer list.
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num distanceTo(Point other) {
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var dx = x - other.x;
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var dy = y - other.y;
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return sqrt(dx * dx + dy * dy);
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}
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}
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// This is a single-line comment.
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/*
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This is a
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multiline comment.
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*/
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main() {
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Point p = new Point(7, 12);
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String thing = 'It\'s awesome!';
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String thing2 = '''
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This is a test! \'''
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This is the end of the test''';
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String thing3 = r"""
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This is a raw
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multiline string!""";
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num x = 0x123ABC;
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num y = 1.8e-12;
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bool flag = false;
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String raw = r"This is a raw string, where \n doesn't matter";
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}
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</pre>
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<script type="text/javascript">
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/**
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* maps ids of rewritten code to the expected output.
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'`END<code class="language-lisp">`PUN;`END`PLN foo`END</code>\n'),
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issue185: '`STR"No tag backs."`END',
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issue201: '`KWDstatic`END`PLN `END`TYPPersistent`END' +
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'`PUN&lt;`END`TYPString`END`PUN&gt;`END`PLN listeners_symbol`END`PUN;`END'
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'`PUN&lt;`END`TYPString`END`PUN&gt;`END`PLN listeners_symbol`END`PUN;`END',
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dart: '`PLNpart of myLib`END`PUN;`END`PLN\n' +
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'\n' +
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'part `END`STR\'something.dart\'`END`PUN;`END`PLN\n' +
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'\n' +
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'`END`KWDimport`END`PLN `END`STR\'dart:math\'`END`PLN `END' +
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'`KWDas`END`PLN test show foo`END`PUN,`END`PLN bar`END`PUN;`END' +
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'`PLN\n' +
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'\n' +
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'`END`KWDclass`END`PLN `END`TYPPoint`END`PLN `END`PUN{`END`PLN\n' +
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' `END`KWDfinal`END`PLN num x`END`PUN,`END`PLN y`END`PUN;`END`PLN\n' +
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'\n' +
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' `END`TYPPoint`END`PUN(`END`KWDthis`END`PUN.`END`PLNx`END' +
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'`PUN,`END`PLN `END`KWDthis`END`PUN.`END`PLNy`END`PUN);`END`PLN\n' +
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' `END`TYPPoint`END`PUN.`END`PLNzero`END`PUN()`END`PLN `END' +
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'`PUN:`END`PLN x `END`PUN=`END`PLN `END`LIT0`END`PUN,`END' +
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'`PLN y `END`PUN=`END`PLN `END`LIT0`END`PUN;`END`PLN `END' +
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'`COM// Named constructor`END`PLN\n' +
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' `END' +
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'`COM// with an initializer list.`END`PLN\n' +
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'\n' +
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' num distanceTo`END`PUN(`END`TYPPoint`END`PLN other`END' +
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'`PUN)`END`PLN `END`PUN{`END`PLN\n' +
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' `END`KWDvar`END`PLN dx `END`PUN=`END`PLN x `END`PUN-`END' +
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'`PLN other`END`PUN.`END`PLNx`END`PUN;`END`PLN\n' +
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' `END`KWDvar`END`PLN dy `END`PUN=`END`PLN y `END`PUN-`END' +
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'`PLN other`END`PUN.`END`PLNy`END`PUN;`END`PLN\n' +
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' `END`KWDreturn`END`PLN sqrt`END`PUN(`END`PLNdx `END`PUN*`END' +
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'`PLN dx `END`PUN+`END`PLN dy `END`PUN*`END`PLN dy`END`PUN);`END' +
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'`PLN\n' +
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' `END`PUN}`END`PLN\n' +
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'`END`PUN}`END`PLN\n' +
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'\n' +
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'`END`COM// This is a single-line comment.`END`PLN\n' +
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'\n' +
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'`END`COM/*\n' +
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'This is a\n' +
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'multiline comment.\n' +
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'*/`END`PLN\n' +
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'\n' +
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'main`END`PUN()`END`PLN `END`PUN{`END`PLN\n' +
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' `END`TYPPoint`END`PLN p `END`PUN=`END`PLN `END`KWDnew`END' +
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'`PLN `END`TYPPoint`END`PUN(`END`LIT7`END`PUN,`END`PLN `END' +
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'`LIT12`END`PUN);`END`PLN\n' +
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' `END`TYPString`END`PLN thing `END`PUN=`END`PLN `END' +
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'`STR\'It\\\'s awesome!\'`END`PUN;`END`PLN\n' +
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' `END`TYPString`END`PLN thing2 `END`PUN=`END`PLN `END' +
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'`STR\'\'\'\n' +
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'This is a test! \\\'\'\'\n' +
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'This is the end of the test\'\'\'`END`PUN;`END`PLN\n' +
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' `END`TYPString`END`PLN thing3 `END`PUN=`END`PLN r`END' +
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'`STR\"\"\"\n' +
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'This is a raw\n' +
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'multiline string!\"\"\"`END`PUN;`END`PLN\n' +
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' num x `END`PUN=`END`PLN `END`LIT0x123ABC`END`PUN;`END`PLN\n' +
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' num y `END`PUN=`END`PLN `END`LIT1.8e-12`END`PUN;`END`PLN\n' +
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' `END`KWDbool`END`PLN flag `END`PUN=`END`PLN `END`KWDfalse`END' +
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'`PUN;`END`PLN\n' +
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' `END`TYPString`END`PLN raw `END`PUN=`END`PLN r`END' +
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'`STR\"This is a raw string, where \\n doesn\'t matter\"`END' +
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'`PUN;`END`PLN\n' +
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'`END`PUN}`END'
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};
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</script>
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