noBitwiseRule.js 2.2 KB

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  1. "use strict";
  2. var __extends = (this && this.__extends) || function (d, b) {
  3. for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
  4. function __() { this.constructor = d; }
  5. d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  6. };
  7. var ts = require("typescript");
  8. var Lint = require("../lint");
  9. var Rule = (function (_super) {
  10. __extends(Rule, _super);
  11. function Rule() {
  12. _super.apply(this, arguments);
  13. }
  14. Rule.prototype.apply = function (sourceFile) {
  15. return this.applyWithWalker(new NoBitwiseWalker(sourceFile, this.getOptions()));
  16. };
  17. Rule.FAILURE_STRING = "forbidden bitwise operation";
  18. return Rule;
  19. }(Lint.Rules.AbstractRule));
  20. exports.Rule = Rule;
  21. var NoBitwiseWalker = (function (_super) {
  22. __extends(NoBitwiseWalker, _super);
  23. function NoBitwiseWalker() {
  24. _super.apply(this, arguments);
  25. }
  26. NoBitwiseWalker.prototype.visitBinaryExpression = function (node) {
  27. switch (node.operatorToken.kind) {
  28. case ts.SyntaxKind.AmpersandToken:
  29. case ts.SyntaxKind.AmpersandEqualsToken:
  30. case ts.SyntaxKind.BarToken:
  31. case ts.SyntaxKind.BarEqualsToken:
  32. case ts.SyntaxKind.CaretToken:
  33. case ts.SyntaxKind.CaretEqualsToken:
  34. case ts.SyntaxKind.LessThanLessThanToken:
  35. case ts.SyntaxKind.LessThanLessThanEqualsToken:
  36. case ts.SyntaxKind.GreaterThanGreaterThanToken:
  37. case ts.SyntaxKind.GreaterThanGreaterThanEqualsToken:
  38. case ts.SyntaxKind.GreaterThanGreaterThanGreaterThanToken:
  39. case ts.SyntaxKind.GreaterThanGreaterThanGreaterThanEqualsToken:
  40. this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
  41. break;
  42. }
  43. _super.prototype.visitBinaryExpression.call(this, node);
  44. };
  45. NoBitwiseWalker.prototype.visitPrefixUnaryExpression = function (node) {
  46. if (node.operator === ts.SyntaxKind.TildeToken) {
  47. this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
  48. }
  49. _super.prototype.visitPrefixUnaryExpression.call(this, node);
  50. };
  51. return NoBitwiseWalker;
  52. }(Lint.RuleWalker));