Make getNonWordCharacters take a position

src/cursor.js

@@ -702,7 +702,7 @@ class Cursor extends Model {
   */
 
   getNonWordCharacters () {
-    return this.editor.getNonWordCharacters(this.getScopeDescriptor().getScopesArray())
+    return this.editor.getNonWordCharacters(this.getBufferPosition())
   }
 
   changePosition (options, fn) {

src/text-editor.js

@@ -4106,9 +4106,9 @@ class TextEditor {
   // for the purpose of word-based cursor movements.
   //
   // Returns a {String} containing the non-word characters.
-  getNonWordCharacters (scopes) {
+  getNonWordCharacters (position) {
     const languageMode = this.buffer.getLanguageMode()
-    return (languageMode.getNonWordCharacters && languageMode.getNonWordCharacters(scopes)) ||
+    return (languageMode.getNonWordCharacters && languageMode.getNonWordCharacters(position)) ||
       this.nonWordCharacters
   }
 

src/tokenized-buffer.js

@@ -59,7 +59,8 @@ class TokenizedBuffer {
     return this.grammar.name
   }
 
-  getNonWordCharacters (scope) {
+  getNonWordCharacters (position) {
+    const scope = this.scopeDescriptorForPosition(position)
     return this.config.get('editor.nonWordCharacters', {scope})
   }