Missing new file

Change-Id: Ie47ffb36f17882da8a78036f7797b2e2bac78eb6

compilerplugins/clang/typecheck.cxx

@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "compat.hxx"
+#include "typecheck.hxx"
+
+namespace loplugin {
+
+TypeCheck TypeCheck::Const() const {
+    return
+        (!type_.isNull() && type_.isConstQualified()
+         && !type_.isVolatileQualified())
+        ? *this : TypeCheck();
+        // returning TypeCheck(type_.getUnqualifiedType()) instead of *this
+        // may look tempting, but could remove sugar we might be interested in
+        // checking for
+}
+
+TerminalCheck TypeCheck::Char() const {
+    return TerminalCheck(
+        !type_.isNull()
+        && (type_->isSpecificBuiltinType(clang::BuiltinType::Char_S)
+            || type_->isSpecificBuiltinType(clang::BuiltinType::Char_U)));
+}
+
+TypeCheck TypeCheck::LvalueReference() const {
+    if (!type_.isNull()) {
+        auto const t = type_->getAs<clang::LValueReferenceType>();
+        if (t != nullptr) {
+            return TypeCheck(t->getPointeeType());
+        }
+    }
+    return TypeCheck();
+}
+
+TypeCheck TypeCheck::NotSubstTemplateTypeParmType() const {
+    return
+        (!type_.isNull()
+         && type_->getAs<clang::SubstTemplateTypeParmType>() == nullptr)
+        ? *this : TypeCheck();
+}
+
+TerminalCheck NamespaceCheck::GlobalNamespace() const {
+    return TerminalCheck(
+        context_ != nullptr
+        && ((compat::isLookupContext(*context_)
+             ? context_ : context_->getLookupParent())
+            ->isTranslationUnit()));
+}
+
+TerminalCheck NamespaceCheck::StdNamespace() const {
+    return TerminalCheck(context_ != nullptr && context_->isStdNamespace());
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */