From c5df2938c5acb0c5797b3bdbb2127b83ff32121e Mon Sep 17 00:00:00 2001
From: yuanbo <yuanbo@huawei.com>
Date: Wed, 16 Feb 2022 10:41:24 +0800
Subject: [PATCH] fix: hc-gen segment fault when decompile empty array

Signed-off-by: yuanbo <yuanbo@huawei.com>
---
 tools/hc-gen/src/decompile_gen.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/tools/hc-gen/src/decompile_gen.cpp b/tools/hc-gen/src/decompile_gen.cpp
index ba936007..b8b82e99 100644
--- a/tools/hc-gen/src/decompile_gen.cpp
+++ b/tools/hc-gen/src/decompile_gen.cpp
@@ -72,15 +72,17 @@ int32_t DecompileGen::PrintArrayType(const std::shared_ptr<AstObject>& astObj)
 {
     WriteFile("[");
     auto arrayElement = astObj->Child();
-    while (arrayElement->Next()) {
+    if (arrayElement != nullptr) {
+        while (arrayElement->Next()) {
+            if (PrintBaseType(arrayElement) != NOERR) {
+                return EOUTPUT;
+            }
+            WriteFile(", ");
+            arrayElement = arrayElement->Next();
+        }
         if (PrintBaseType(arrayElement) != NOERR) {
             return EOUTPUT;
         }
-        WriteFile(", ");
-        arrayElement = arrayElement->Next();
-    }
-    if (PrintBaseType(arrayElement) != NOERR) {
-        return EOUTPUT;
     }
     WriteFile("]");
     return NOERR;