28 lines
856 B
JavaScript
28 lines
856 B
JavaScript
import ParseNode from '/imports/parser/parseTree/ParseNode.js';
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import ConstantNode from '/imports/parser/parseTree/ConstantNode.js';
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import ErrorNode from '/imports/parser/parseTree/ErrorNode.js';
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export default class SymbolNode extends ParseNode {
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constructor({name}){
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super(...arguments);
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this.name = name;
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}
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toString(){
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return `${this.name}`
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}
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compile(scope){
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let value = scope && scope[this.name];
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let type = typeof value;
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if (type === 'string' || type === 'number' || type === 'boolean'){
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return new ConstantNode({value, type, previousNodes: [this]});
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} else if (type === 'undefined'){
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return new ErrorNode({
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node: this,
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error: `${this.name} could not be resolved`,
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});
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} else {
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throw new Meteor.Error(`Unexpected case: ${this.name} resolved to ${value}`);
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}
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}
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}
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