Fixed a bug when parsing unterminated strings in json

Author: julianstorer

choc/text/choc_JSON.h

@@ -460,6 +460,7 @@ inline value::Value parse (text::UTF8Pointer text, bool parseBareValue)
 
             for (;;)
             {
+                auto charStart = current;
                 auto c = pop();
 
                 if (c == '"')
@@ -484,6 +485,9 @@ inline value::Value parse (text::UTF8Pointer text, bool parseBareValue)
                     }
                 }
 
+                if (c == 0)
+                    throwError ("Unexpected EOF in string constant", charStart);
+
                 char utf8Bytes[8];
                 auto numBytes = text::convertUnicodeCodepointToUTF8 (utf8Bytes, c);