compilerplugins/clang/test/redundantcast.cxx | 32 +++++++++++++++++++++++++++
solenv/CompilerTest_compilerplugins_clang.mk | 1
2 files changed, 33 insertions(+)
New commits:
commit 6d3db33328fb2fec3539c828d062cad6d16d3195
Author: Stephan Bergmann <sberg...@redhat.com>
Date: Thu Feb 16 17:36:21 2017 +0100
Capture loplugin:redundantcast status-quo wrt const_cast
...including some double-warnings that'll get cleaned up shortly
Change-Id: I14e9796f2846a6bb61e4c93dfb23cba6488ea2e6
diff --git a/compilerplugins/clang/test/redundantcast.cxx
b/compilerplugins/clang/test/redundantcast.cxx
new file mode 100644
index 0000000..7af9716
--- /dev/null
+++ b/compilerplugins/clang/test/redundantcast.cxx
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4;
fill-column: 100 -*- */
+/*
+ * 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/.
+ */
+
+void f1(char *) {}
+void f2(char const *) {}
+
+int main() {
+ char * p1;
+ char const * p2;
+ p1 = nullptr;
+ p2 = "";
+ f1(const_cast<char *>(p1)); // expected-error {{redundant const_cast from
'char *' to 'char *' [loplugin:redundantcast]}}
+ f1(const_cast<char * const>(p1)); // expected-error {{redundant const_cast
from 'char *' to 'char *const' [loplugin:redundantcast]}}
+ f1(const_cast<char *>(p2));
+ f1(const_cast<char * const>(p2));
+ f2(const_cast<char *>(p1)); // expected-error {{redundant const_cast from
'char *' to 'char *', result is implictly cast to 'const char *'
[loplugin:redundantcast]}} expected-error {{redundant const_cast from 'char *'
to 'char *' [loplugin:redundantcast]}}
+ f2(const_cast<char * const>(p1)); // expected-error {{redundant const_cast
from 'char *' to 'char *', result is implictly cast to 'const char *'
[loplugin:redundantcast]}} expected-error {{redundant const_cast from 'char *'
to 'char *const' [loplugin:redundantcast]}}
+ f2(const_cast<char const *>(p1));
+ f2(const_cast<char const * const>(p1));
+ f2(const_cast<char *>(p2)); // expected-error {{redundant const_cast from
'const char *' to 'char *', result is implictly cast to 'const char *'
[loplugin:redundantcast]}}
+ f2(const_cast<char * const>(p2)); // expected-error {{redundant const_cast
from 'const char *' to 'char *', result is implictly cast to 'const char *'
[loplugin:redundantcast]}}
+ f2(const_cast<char const *>(p2)); // expected-error {{redundant const_cast
from 'const char *' to 'const char *' [loplugin:redundantcast]}}
+ f2(const_cast<char const * const>(p2)); // expected-error {{redundant
const_cast from 'const char *' to 'const char *const' [loplugin:redundantcast]}}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s
cinkeys+=0=break: */
diff --git a/solenv/CompilerTest_compilerplugins_clang.mk
b/solenv/CompilerTest_compilerplugins_clang.mk
index 7840b1e..85de035 100644
--- a/solenv/CompilerTest_compilerplugins_clang.mk
+++ b/solenv/CompilerTest_compilerplugins_clang.mk
@@ -17,6 +17,7 @@ $(eval $(call
gb_CompilerTest_add_exception_objects,compilerplugins_clang, \
compilerplugins/clang/test/oslendian-1 \
compilerplugins/clang/test/oslendian-2 \
compilerplugins/clang/test/oslendian-3 \
+ compilerplugins/clang/test/redundantcast \
compilerplugins/clang/test/salbool \
compilerplugins/clang/test/stringconstant \
compilerplugins/clang/test/unnecessaryoverride-dtor \
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