sh.js 4.0 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 oop = require("../lib/oop");
  33. var TextMode = require("./text").Mode;
  34. var ShHighlightRules = require("./sh_highlight_rules").ShHighlightRules;
  35. var Range = require("../range").Range;
  36. var CStyleFoldMode = require("./folding/cstyle").FoldMode;
  37. var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
  38. var Mode = function() {
  39. this.HighlightRules = ShHighlightRules;
  40. this.foldingRules = new CStyleFoldMode();
  41. this.$behaviour = new CstyleBehaviour();
  42. };
  43. oop.inherits(Mode, TextMode);
  44. (function() {
  45. this.lineCommentStart = "#";
  46. this.getNextLineIndent = function(state, line, tab) {
  47. var indent = this.$getIndent(line);
  48. var tokenizedLine = this.getTokenizer().getLineTokens(line, state);
  49. var tokens = tokenizedLine.tokens;
  50. if (tokens.length && tokens[tokens.length-1].type == "comment") {
  51. return indent;
  52. }
  53. if (state == "start") {
  54. var match = line.match(/^.*[\{\(\[\:]\s*$/);
  55. if (match) {
  56. indent += tab;
  57. }
  58. }
  59. return indent;
  60. };
  61. var outdents = {
  62. "pass": 1,
  63. "return": 1,
  64. "raise": 1,
  65. "break": 1,
  66. "continue": 1
  67. };
  68. this.checkOutdent = function(state, line, input) {
  69. if (input !== "\r\n" && input !== "\r" && input !== "\n")
  70. return false;
  71. var tokens = this.getTokenizer().getLineTokens(line.trim(), state).tokens;
  72. if (!tokens)
  73. return false;
  74. // ignore trailing comments
  75. do {
  76. var last = tokens.pop();
  77. } while (last && (last.type == "comment" || (last.type == "text" && last.value.match(/^\s+$/))));
  78. if (!last)
  79. return false;
  80. return (last.type == "keyword" && outdents[last.value]);
  81. };
  82. this.autoOutdent = function(state, doc, row) {
  83. // outdenting in sh is slightly different because it always applies
  84. // to the next line and only of a new line is inserted
  85. row += 1;
  86. var indent = this.$getIndent(doc.getLine(row));
  87. var tab = doc.getTabString();
  88. if (indent.slice(-tab.length) == tab)
  89. doc.remove(new Range(row, indent.length-tab.length, row, indent.length));
  90. };
  91. this.$id = "ace/mode/sh";
  92. }).call(Mode.prototype);
  93. exports.Mode = Mode;
  94. });