add clang plugin for detecting cascading condops

Change-Id: I1b782bb04b09bee5c3db2261f9390a7b2edf4564
Reviewed-on: https://gerrit.libreoffice.org/12967
Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>
Tested-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/compilerplugins/clang/store/cascadingcondop.hxx b/compilerplugins/clang/store/cascadingcondop.hxx
new file mode 100644
index 000000000000..e648bdf15e50
--- /dev/null
+++ b/compilerplugins/clang/store/cascadingcondop.hxx
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * Based on LLVM/Clang.
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ */
+
+#ifndef CASCADINGCONDOP_H
+#define CASCADINGCONDOP_H
+
+#include "plugin.hxx"
+
+namespace loplugin
+{
+
+// The class implementing the plugin action.
+class CascadingCondOp
+    // Inherits from the Clang class that will allow examing the Clang AST tree (i.e. syntax tree).
+    : public RecursiveASTVisitor< CascadingCondOp >
+    // And the base class for LO Clang plugins.
+    , public Plugin
+    {
+    public:
+        CascadingCondOp( const InstantiationData& data );
+        virtual void run() override;
+        void Walk( const Stmt* stmt );
+        bool VisitStmt( const Stmt* stmt );
+    };
+
+} // namespace loplugin
+
+#endif // CASCADINGCONDOP_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */