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boot.js 4.7 KB

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  1. /* ====================================================================
  2. |
  3. | Amber Smalltalk
  4. | http://amber-lang.net
  5. |
  6. ======================================================================
  7. ======================================================================
  8. |
  9. | Copyright (c) 2010-2014
  10. | Nicolas Petton <petton.nicolas@gmail.com>
  11. |
  12. | Copyright (c) 2012-2017
  13. | The Amber team https://lolg.it/org/amber/members
  14. | Amber contributors (see /CONTRIBUTORS)
  15. |
  16. | Amber is released under the MIT license
  17. |
  18. | Permission is hereby granted, free of charge, to any person obtaining
  19. | a copy of this software and associated documentation files (the
  20. | 'Software'), to deal in the Software without restriction, including
  21. | without limitation the rights to use, copy, modify, merge, publish,
  22. | distribute, sublicense, and/or sell copies of the Software, and to
  23. | permit persons to whom the Software is furnished to do so, subject to
  24. | the following conditions:
  25. |
  26. | The above copyright notice and this permission notice shall be
  27. | included in all copies or substantial portions of the Software.
  28. |
  29. | THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
  30. | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  31. | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  32. | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  33. | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  34. | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  35. | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  36. |
  37. ==================================================================== */
  38. //jshint eqnull:true
  39. define([
  40. 'require', './kernel-checks', './brikz', './kernel-fundamentals', './kernel-language'
  41. ], function (require, _, Brikz, configureWithFundamentals, configureWithHierarchy) {
  42. "use strict";
  43. require(['./kernel-runtime']); // preload
  44. function SmalltalkInitBrik (brikz, st) {
  45. var initialized = false;
  46. var runtimeLoadedPromise = new Promise(function (resolve, reject) {
  47. require(['./kernel-runtime'], resolve, reject);
  48. });
  49. /* Smalltalk initialization. Called on page load */
  50. st.initialize = function () {
  51. return runtimeLoadedPromise.then(function (configureWithRuntime) {
  52. if (initialized) return;
  53. brikz.classes.bootstrapHierarchy();
  54. configureWithRuntime(brikz);
  55. // TODO deprecation helper; remove
  56. Object.defineProperty(st, "packages", {
  57. get: function () {
  58. console.warn("Use of .packages deprecated, use .packageDescriptors");
  59. return st.packageDescriptors;
  60. },
  61. set: function (v) {
  62. console.trace();
  63. throw new Error("No one should be setting st.packages directly on initialized Amber.");
  64. }
  65. });
  66. brikz.startImage.run();
  67. initialized = true;
  68. });
  69. };
  70. }
  71. /* Adds AMD and requirejs related methods to the api */
  72. function AMDBrik (brikz, st) {
  73. st.amdRequire = require;
  74. st.defaultTransportType = st.defaultTransportType || "amd";
  75. st.defaultAmdNamespace = st.defaultAmdNamespace || "amber_core";
  76. }
  77. /* Defines asReceiver to be present at load time */
  78. /* (logically it belongs more to PrimitiveBrik) */
  79. AsReceiverBrik.deps = ["nil"];
  80. function AsReceiverBrik (brikz, st) {
  81. var nilAsReceiver = brikz.nil.nilAsReceiver;
  82. /**
  83. * This function is used all over the compiled amber code.
  84. * It takes any value (JavaScript or Smalltalk)
  85. * and returns a proper Amber Smalltalk receiver.
  86. *
  87. * null or undefined -> nilAsReceiver,
  88. * object having Smalltalk signature -> unchanged,
  89. * otherwise wrapped foreign (JS) object
  90. */
  91. this.asReceiver = function (o) {
  92. if (o == null) return nilAsReceiver;
  93. else if (o.a$cls != null) return o;
  94. else return st.wrapJavaScript(o);
  95. };
  96. }
  97. var api = {};
  98. var brikz = new Brikz(api);
  99. configureWithFundamentals(brikz);
  100. configureWithHierarchy(brikz);
  101. brikz.asReceiver = AsReceiverBrik;
  102. brikz.stInit = SmalltalkInitBrik;
  103. brikz.amd = AMDBrik;
  104. brikz.rebuild();
  105. return {
  106. api: api,
  107. nilAsReceiver: brikz.nil.nilAsReceiver,
  108. nilAsValue: brikz.nil.nilAsValue,
  109. nilAsClass: brikz.classes.nilAsClass,
  110. globals: brikz.smalltalkGlobals.globals,
  111. asReceiver: brikz.asReceiver.asReceiver
  112. };
  113. });