grammars : don't allow to output unescaped new line in string (#5885)

* Don't allow grammar json array to output unescaped new line in string

* Don't allow new line in json object string

diff --git a/grammars/json.gbnf b/grammars/json.gbnf
index a9537cdf9fbe49c79967090eab759973c52f2136..34e014d55d68575faeaafe9cbca130f4a43ce3f7 100644 (file)
--- a/grammars/json.gbnf
+++ b/grammars/json.gbnf
@@ -15,7 +15,7 @@ array  ::=
 
 string ::=
   "\"" (
-    [^"\\] |
+    [^"\\\n] |
     "\\" (["\\/bfnrt] | "u" [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F]) # escapes
   )* "\"" ws
 

diff --git a/grammars/json_arr.gbnf b/grammars/json_arr.gbnf
index ef53e77a0baddc5c1dbdcaf505c3597338a47677..fd5740eebc5256ed96800aa5fcaaf5fc4ddaf9ee 100644 (file)
--- a/grammars/json_arr.gbnf
+++ b/grammars/json_arr.gbnf
@@ -24,7 +24,7 @@ array  ::=
 
 string ::=
   "\"" (
-    [^"\\] |
+    [^"\\\n] |
     "\\" (["\\/bfnrt] | "u" [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F]) # escapes
   )* "\"" ws