36 lines
1.0 KiB
JavaScript
36 lines
1.0 KiB
JavaScript
import ParseNode from '/imports/parser/parseTree/ParseNode.js';
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export default class IfNode extends ParseNode {
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constructor({condition, consequent, alternative}){
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super(...arguments);
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this.condition = condition;
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this.consequent = consequent;
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this.alternative = alternative;
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}
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toString(){
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let {condition, consequent, alternative} = this;
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return `${condition.toString()} ? ${consequent.toString()} : ${alternative.toString()}`
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}
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compile(scope){
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return this.resolve('compile', scope);
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}
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roll(scope){
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return this.resolve('roll', scope);
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}
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reduce(scope){
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return this.resolve('reduce', scope);
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}
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resolve(fn, scope){
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let condition = this.condition[fn](scope);
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if (condition.value){
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let consequent = this.consequent[fn](scope);
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consequent.inheritDetails([condition, this]);
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return this.consequent[fn](scope);
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} else {
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let alternative = this.alternative[fn](scope);
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alternative.inheritDetails([condition, this]);
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return alternative;
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}
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}
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}
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