CondNode.js 2.1 KB

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  1. import { TempNode } from '../core/TempNode.js';
  2. class CondNode extends TempNode {
  3. constructor( a, b, op, ifNode, elseNode ) {
  4. super();
  5. this.a = a;
  6. this.b = b;
  7. this.op = op;
  8. this.ifNode = ifNode;
  9. this.elseNode = elseNode;
  10. }
  11. getType( builder ) {
  12. if ( this.ifNode ) {
  13. const ifType = this.ifNode.getType( builder );
  14. const elseType = this.elseNode.getType( builder );
  15. if ( builder.getTypeLength( elseType ) > builder.getTypeLength( ifType ) ) {
  16. return elseType;
  17. }
  18. return ifType;
  19. }
  20. return 'b';
  21. }
  22. getCondType( builder ) {
  23. if ( builder.getTypeLength( this.b.getType( builder ) ) > builder.getTypeLength( this.a.getType( builder ) ) ) {
  24. return this.b.getType( builder );
  25. }
  26. return this.a.getType( builder );
  27. }
  28. generate( builder, output ) {
  29. const type = this.getType( builder ),
  30. condType = this.getCondType( builder ),
  31. a = this.a.build( builder, condType ),
  32. b = this.b.build( builder, condType );
  33. let code;
  34. if ( this.ifNode ) {
  35. const ifCode = this.ifNode.build( builder, type ),
  36. elseCode = this.elseNode.build( builder, type );
  37. code = '( ' + [ a, this.op, b, '?', ifCode, ':', elseCode ].join( ' ' ) + ' )';
  38. } else {
  39. code = '( ' + a + ' ' + this.op + ' ' + b + ' )';
  40. }
  41. return builder.format( code, this.getType( builder ), output );
  42. }
  43. copy( source ) {
  44. super.copy( source );
  45. this.a = source.a;
  46. this.b = source.b;
  47. this.op = source.op;
  48. this.ifNode = source.ifNode;
  49. this.elseNode = source.elseNode;
  50. return this;
  51. }
  52. toJSON( meta ) {
  53. let data = this.getJSONNode( meta );
  54. if ( ! data ) {
  55. data = this.createJSONNode( meta );
  56. data.a = this.a.toJSON( meta ).uuid;
  57. data.b = this.b.toJSON( meta ).uuid;
  58. data.op = this.op;
  59. if ( data.ifNode ) data.ifNode = this.ifNode.toJSON( meta ).uuid;
  60. if ( data.elseNode ) data.elseNode = this.elseNode.toJSON( meta ).uuid;
  61. }
  62. return data;
  63. }
  64. }
  65. CondNode.EQUAL = '==';
  66. CondNode.NOT_EQUAL = '!=';
  67. CondNode.GREATER = '>';
  68. CondNode.GREATER_EQUAL = '>=';
  69. CondNode.LESS = '<';
  70. CondNode.LESS_EQUAL = '<=';
  71. CondNode.AND = '&&';
  72. CondNode.OR = '||';
  73. CondNode.prototype.nodeType = 'Cond';
  74. export { CondNode };