Parser now uses context to store details of the computation

app/imports/parser/parseTree/ErrorNode.js

@@ -1,10 +1,16 @@
 import ParseNode from '/imports/parser/parseTree/ParseNode.js';
 
 export default class ErrorNode extends ParseNode {
-  constructor({node, error}) {
+  constructor({node, error, context}) {
 		super(...arguments);
     this.node = node;
     this.error = error;
+    if (context){
+      context.storeError({
+        type: 'error',
+        message: error,
+      });
+    }
   }
   compile(){
     return this;