Fix json in_string

omarroth · Jun 27, 2018 · c2c4602 · c2c4602
1 parent 2886bf0
commit c2c4602
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/examples/json/json.bnf b/examples/json/json.bnf
@@ -20,7 +20,7 @@ elements ::= value* proper => 1 separator => comma
 comma ~ ','
 
 string ::= '"' in_string '"' action => do_string
-in_string ~ /([^"\\]|\\[\"\\\/bftnrt]|\\u[a-fA-F0-9]{4})+/
+in_string ~ /([^"\\]|\\[\"\\\/bftnrt]|\\u[a-fA-F0-9]{4})*/
 
 number ~ /-?([\d]+)(\.\d+)?([eE][+-]?\d+)?/
 

diff --git a/spec/marpa_spec.cr b/spec/marpa_spec.cr
@@ -3,7 +3,7 @@ require "./spec_helper"
 describe Marpa do
   it "parses json" do
     grammar = File.read("examples/json/json.bnf")
-    input = %q([1,"abc\nd\"ef",true,-2.3,null,[],[1,2,3],{},{"a":1,"b":2}])
+    input = %q([1,"abc\nd\"ef","",true,-2.3,null,[],[1,2,3],{},{"a":1,"b":2}])
 
     parser = Marpa::Parser.new
     actions = JSON_Actions.new