Improved error handling for most calculations

app/imports/ui/creature/slots/SlotFillDialog.vue

@@ -244,8 +244,13 @@ export default {
       nodes = nodes.filter(node => {
         if (node.slotFillerCondition){
           let context = new CompilationContext();
-          let conditionResult = parse(node.slotFillerCondition)
-          .reduce(this.creature.variables, context);
+          let conditionResult;
+          try {
+            conditionResult = parse(node.slotFillerCondition)
+            .reduce(this.creature.variables, context);
+          } catch (e){
+            console.warn(e);
+          }
           if (conditionResult && !conditionResult.value) return false;
         }
         if (

app/imports/ui/log/CharacterLog.vue

@@ -34,7 +34,7 @@
 import CreatureLogs, { logRoll } from '/imports/api/creature/log/CreatureLogs.js';
 import Creatures from '/imports/api/creature/Creatures.js';
 import { assertEditPermission } from '/imports/api/creature/creaturePermissions.js';
-import { parse } from '/imports/parser/parser.js';
+import { parse, prettifyParseError } from '/imports/parser/parser.js';
 import LogEntry from '/imports/ui/log/LogEntry.vue';
 
 export default {
@@ -61,12 +61,12 @@ export default {
       try {
         result = parse(value);
       } catch (e){
-        console.error(e);
-        this.inputError = 'Invalid syntax';
-        return;
-      }
-      if (result === null){
-        this.inputError =  '...';
+        if (e.constructor.name === 'EndOfInputError'){
+          this.inputError = '...';
+        } else {
+          let error = prettifyParseError(e);
+          this.inputError = error;
+        }
         return;
       }
       try {
@@ -74,7 +74,7 @@ export default {
         this.inputHint = compiled.toString();
         return;
       } catch (e){
-        console.error(e);
+        console.warn(e);
         this.inputError = 'Compilation error';
         return;
       }

app/imports/ui/pages/Parser.vue

@@ -1,121 +0,0 @@
-<template lang="html">
-  <div class="layout column align-center justify-center pa-4">
-    <v-card style="width: 100%; max-width: 400px;">
-      <v-card-text>
-        <v-text-field
-          v-model="input"
-          label="input"
-        />
-        <v-btn
-          icon
-          @click="recompute"
-        >
-          <v-icon>refresh</v-icon>
-        </v-btn>
-        <v-textarea
-          v-model="output"
-          readonly
-          label="output"
-        />
-        <v-text-field
-          v-model="string"
-          readonly
-          label="string"
-        />
-        <v-text-field
-          v-model="compiled"
-          readonly
-          label="compiled"
-        />
-        <v-text-field
-          v-model="rolled"
-          readonly
-          label="rolled"
-        />
-        <v-text-field
-          v-model="reduced"
-          readonly
-          label="reduced"
-        />
-        <v-textarea
-          v-model="reducedJson"
-          readonly
-          label="reduced"
-        />
-        <v-textarea
-          :value="contextJSON"
-          readonly
-          label="reduced"
-        />
-        <function-reference />
-        <v-dialog
-          width="500"
-        >
-          <template #activator="{ on }">
-            <v-btn
-              color="red lighten-2"
-              dark
-              v-on="on"
-            >
-              Click Me
-            </v-btn>
-          </template>
-          <check :bonus="4" />
-        </v-dialog>
-      </v-card-text>
-    </v-card>
-  </div>
-</template>
-
-<script>
-import { parse, CompilationContext } from '/imports/parser/parser.js';
-import FunctionReference from '/imports/ui/documentation/FunctionReference.vue';
-import Check from '/imports/ui/components/rolls/Check.vue';
-console.log(parse);
-export default {
-  components: {
-    FunctionReference,
-    Check,
-  },
-  data(){return {
-    input: null,
-    output: null,
-    compiled: null,
-    string: null,
-    rolled: null,
-    reduced: null,
-    reducedJson: null,
-    context: null,
-  }},
-  computed: {
-    contextJSON(){
-      return JSON.stringify(this.context, null, 2);
-    }
-  },
-  watch: {
-    input(){
-      this.recompute();
-    }
-  },
-  methods: {
-    recompute(){
-      let val = this.input;
-      this.output = this.compiled = this.string = '';
-      let output = parse(val);
-      console.log(output);
-      this.output = JSON.stringify(output, null, 2);
-      if (!output) return;
-      this.string = output;
-      let scope = {strength: {value: 16}, hitpoints: {value: 32, currentValue: 8}, mouse: 3};
-      this.context = new CompilationContext();
-      this.compiled = output.compile(scope, this.context);
-      this.rolled = this.compiled.roll(scope, this.context);
-      this.reduced = this.rolled.reduce(scope, this.context);
-      this.reducedJson = JSON.stringify(this.reduced, null, 2)
-    }
-  }
-}
-</script>
-
-<style lang="css" scoped>
-</style>

app/imports/ui/router.js

@@ -24,7 +24,6 @@ import PatreonLevelTooLow from '/imports/ui/pages/PatreonLevelTooLow.vue';
 import Tabletops from '/imports/ui/pages/Tabletops.vue';
 import Tabletop from '/imports/ui/pages/Tabletop.vue';
 import TabletopToolbar from '/imports/ui/tabletop/TabletopToolbar.vue';
-import Parser from '/imports/ui/pages/Parser.vue';
 
 let userSubscription = Meteor.subscribe('user');
 
@@ -111,14 +110,6 @@ RouterFactory.configure(factory => {
         title: 'Character List',
       },
       beforeEnter: ensureLoggedIn,
-    },{
-      path: '/parser',
-      components: {
-        default: Parser,
-      },
-      meta: {
-        title: 'Parser',
-      },
     },{
       path: '/library',
       components: {