Fix multiselect list parsing

Closes #86.

Author: jamesls

jmespath/parser.py

@@ -338,12 +338,13 @@ def _parse_comparator(self, left, comparator):
 
     def _parse_multi_select_list(self):
         expressions = []
-        while not self._current_token() == 'rbracket':
+        while True:
             expression = self._expression()
             expressions.append(expression)
-            if self._current_token() == 'comma':
+            if self._current_token() == 'rbracket':
+                break
+            else:
                 self._match('comma')
-                self._assert_not_token('rbracket')
         self._match('rbracket')
         return ast.multi_select_list(expressions)
 

tests/compliance/syntax.json

@@ -201,6 +201,10 @@
         "expression": "foo.[0]",
         "error": "syntax"
       },
+      {
+        "expression": "[foo bar]",
+        "error": "syntax"
+      },
       {
         "expression": "foo.[*]",
         "result": null