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