Adding ordinal values to escapes

Work still needs to be done to get control characters correct, and
ordinals will need to be added for literals as well. This is in
preparation for reporting incorrectly ordered charset ranges

src/js/parser/javascript/charset_escape.js

@@ -4,5 +4,5 @@ import Escape from './escape.js';
 export default _.extend({}, Escape, {
   type: 'charset-escape',
 
-  b: 'backspace'
+  b: ['backspace', 0x08]
 });

src/js/parser/javascript/escape.js

@@ -16,46 +16,46 @@ export default {
   setup() {
     this.code = this.properties.esc.properties.code.textValue;
     this.arg = this.properties.esc.properties.arg.textValue;
-    this.label = _.result(this, this.code);
+    [this.label, this.ordinal] = _.result(this, this.code);
   },
 
   // Escape code mappings
-  b: 'word boundary',
-  B: 'non-word boundary',
-  d: 'digit',
-  D: 'non-digit',
-  f: 'form feed',
-  n: 'line feed',
-  r: 'carriage return',
-  s: 'white space',
-  S: 'non-white space',
-  t: 'tab',
-  v: 'vertical tab',
-  w: 'word',
-  W: 'non-word',
-  1: 'Back reference (group = 1)',
-  2: 'Back reference (group = 2)',
-  3: 'Back reference (group = 3)',
-  4: 'Back reference (group = 4)',
-  5: 'Back reference (group = 5)',
-  6: 'Back reference (group = 6)',
-  7: 'Back reference (group = 7)',
-  8: 'Back reference (group = 8)',
-  9: 'Back reference (group = 9)',
+  b: ['word boundary', -1],
+  B: ['non-word boundary', -1],
+  d: ['digit', -1],
+  D: ['non-digit', -1],
+  f: ['form feed', 0x0c],
+  n: ['line feed', 0x0a],
+  r: ['carriage return', 0x0d],
+  s: ['white space', -1],
+  S: ['non-white space', -1],
+  t: ['tab', 0x09],
+  v: ['vertical tab', 0x0b],
+  w: ['word', -1],
+  W: ['non-word', -1],
+  1: ['Back reference (group = 1)', -1],
+  2: ['Back reference (group = 2)', -1],
+  3: ['Back reference (group = 3)', -1],
+  4: ['Back reference (group = 4)', -1],
+  5: ['Back reference (group = 5)', -1],
+  6: ['Back reference (group = 6)', -1],
+  7: ['Back reference (group = 7)', -1],
+  8: ['Back reference (group = 8)', -1],
+  9: ['Back reference (group = 9)', -1],
   0() {
     if (this.arg) {
-      return `octal: ${this.arg}`;
+      return [`octal: ${this.arg}`, parseInt(this.arg, 8)];
     } else {
-      return 'null';
+      return ['null', 0];
     }
   },
   c() {
-    return `ctrl-${this.arg}`;
+    return [`ctrl-${this.arg}`, -1];
   },
   x() {
-    return `0x${this.arg.toUpperCase()}`;
+    return [`0x${this.arg.toUpperCase()}`, parseInt(this.arg, 16)];
   },
   u() {
-    return `U+${this.arg.toUpperCase()}`;
+    return [`U+${this.arg.toUpperCase()}`, parseInt(this.arg, 16)];
   }
 };