Add warning for more than one checks for non null variables.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/analysis/analysis.cpp b/src/analysis/analysis.cpp
index bb6b93e..45abe97 100644
--- a/src/analysis/analysis.cpp
+++ b/src/analysis/analysis.cpp
@@ -217,6 +217,15 @@ bool checkForReport(Node *node,
         wi.checkNullVars.find(node->label) != wi.checkNullVars.end();
 }
 
+// report about useless check for null pointer
+void reportUselessCheck(Node *node,
+                        const std::string &var)
+{
+    Log::warn(findBackLocation(node),
+        "Useless variable check '%s'. It already was checked before",
+        var);
+}
+
 // report about null pointer if need for node
 void reportParmDeclNullPointer(Node *mainNode,
                                Node *node,