From cbbd6aca04676ac7484d53fb56131bbb1943a225 Mon Sep 17 00:00:00 2001
From: Dmitry <Captfrozenberg@gmail.com>
Date: Mon, 11 Nov 2019 22:33:27 +0300
Subject: [PATCH] add check for root_type specified for json schema generation
 (#5622)

---
 src/idl_gen_json_schema.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/idl_gen_json_schema.cpp b/src/idl_gen_json_schema.cpp
index 5d7bad6d8..b152fb202 100644
--- a/src/idl_gen_json_schema.cpp
+++ b/src/idl_gen_json_schema.cpp
@@ -122,6 +122,7 @@ class JsonSchemaGenerator : public BaseGenerator {
       : BaseGenerator(base_generator) {}
 
   bool generate() {
+    if (parser_.root_struct_def_ == nullptr) { return false; }
     code_.Clear();
     code_ += "{";
     code_ += "  \"$schema\": \"http://json-schema.org/draft-04/schema#\",";