coffee.js 4.5 KB

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  1. /* ***** BEGIN LICENSE BLOCK *****
  2. * Distributed under the BSD license:
  3. *
  4. * Copyright (c) 2010, Ajax.org B.V.
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions are met:
  9. * * Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * * Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. * * Neither the name of Ajax.org B.V. nor the
  15. * names of its contributors may be used to endorse or promote products
  16. * derived from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  19. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21. * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
  22. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. *
  29. * ***** END LICENSE BLOCK ***** */
  30. define(function(require, exports, module) {
  31. "use strict";
  32. var Rules = require("./coffee_highlight_rules").CoffeeHighlightRules;
  33. var Outdent = require("./matching_brace_outdent").MatchingBraceOutdent;
  34. var FoldMode = require("./folding/coffee").FoldMode;
  35. var Range = require("../range").Range;
  36. var TextMode = require("./text").Mode;
  37. var WorkerClient = require("../worker/worker_client").WorkerClient;
  38. var oop = require("../lib/oop");
  39. function Mode() {
  40. this.HighlightRules = Rules;
  41. this.$outdent = new Outdent();
  42. this.foldingRules = new FoldMode();
  43. }
  44. oop.inherits(Mode, TextMode);
  45. (function() {
  46. /*:
  47. [({[=:] # Opening parentheses or brackets
  48. |[-=]> # OR single or double arrow
  49. |\b(?: # OR one of these words:
  50. else # else
  51. |try # OR try
  52. |(?:swi|ca)tch # OR catch, optionally followed by:
  53. (?:\s*[$A-Za-z_\x7f-\uffff][$\w\x7f-\uffff]*)? # a variable
  54. |finally # OR finally
  55. ))\s*$ # all as the last thing on a line (allowing trailing space)
  56. | # ---- OR ---- :
  57. ^\s* # a line starting with optional space
  58. (else\b\s*)? # followed by an optional "else"
  59. (?: # followed by one of the following:
  60. if # if
  61. |for # OR for
  62. |while # OR while
  63. |loop # OR loop
  64. )\b # (as a word)
  65. (?!.*\bthen\b) # ... but NOT followed by "then" on the line
  66. */
  67. var indenter = /(?:[({[=:]|[-=]>|\b(?:else|try|(?:swi|ca)tch(?:\s+[$A-Za-z_\x7f-\uffff][$\w\x7f-\uffff]*)?|finally))\s*$|^\s*(else\b\s*)?(?:if|for|while|loop)\b(?!.*\bthen\b)/;
  68. this.lineCommentStart = "#";
  69. this.blockComment = {start: "###", end: "###"};
  70. this.getNextLineIndent = function(state, line, tab) {
  71. var indent = this.$getIndent(line);
  72. var tokens = this.getTokenizer().getLineTokens(line, state).tokens;
  73. if (!(tokens.length && tokens[tokens.length - 1].type === 'comment') &&
  74. state === 'start' && indenter.test(line))
  75. indent += tab;
  76. return indent;
  77. };
  78. this.checkOutdent = function(state, line, input) {
  79. return this.$outdent.checkOutdent(line, input);
  80. };
  81. this.autoOutdent = function(state, doc, row) {
  82. this.$outdent.autoOutdent(doc, row);
  83. };
  84. this.createWorker = function(session) {
  85. var worker = new WorkerClient(["ace"], "ace/mode/coffee_worker", "Worker");
  86. worker.attachToDocument(session.getDocument());
  87. worker.on("annotate", function(e) {
  88. session.setAnnotations(e.data);
  89. });
  90. worker.on("terminate", function() {
  91. session.clearAnnotations();
  92. });
  93. return worker;
  94. };
  95. this.$id = "ace/mode/coffee";
  96. }).call(Mode.prototype);
  97. exports.Mode = Mode;
  98. });