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-rw-r--r--compilerplugins/clang/check.cxx10
-rw-r--r--compilerplugins/clang/check.hxx2
-rw-r--r--compilerplugins/clang/redundantstatic.cxx123
-rw-r--r--compilerplugins/clang/staticanonymous.cxx70
-rw-r--r--solenv/clang-format/blacklist2
5 files changed, 136 insertions, 71 deletions
diff --git a/compilerplugins/clang/check.cxx b/compilerplugins/clang/check.cxx
index b4317c07bcf7..2ae58504fe3b 100644
--- a/compilerplugins/clang/check.cxx
+++ b/compilerplugins/clang/check.cxx
@@ -64,6 +64,16 @@ TypeCheck TypeCheck::ConstVolatile() const {
// checking for
}
+TypeCheck TypeCheck::ConstNonVolatile() 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::Void() const {
return TerminalCheck(
!type_.isNull()
diff --git a/compilerplugins/clang/check.hxx b/compilerplugins/clang/check.hxx
index 8e835b8b6a96..f8793e14216c 100644
--- a/compilerplugins/clang/check.hxx
+++ b/compilerplugins/clang/check.hxx
@@ -51,6 +51,8 @@ public:
TypeCheck ConstVolatile() const;
+ TypeCheck ConstNonVolatile() const;
+
TerminalCheck Void() const;
TerminalCheck Char() const;
diff --git a/compilerplugins/clang/redundantstatic.cxx b/compilerplugins/clang/redundantstatic.cxx
new file mode 100644
index 000000000000..95a3c85c9d17
--- /dev/null
+++ b/compilerplugins/clang/redundantstatic.cxx
@@ -0,0 +1,123 @@
+/* -*- 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.
+ *
+ */
+#ifndef LO_CLANG_SHARED_PLUGINS
+
+#include "check.hxx"
+#include "compat.hxx"
+#include "plugin.hxx"
+
+/*
+This is a compile check.
+
+Warns about functions with static keyword in an unnamed namespace.
+*/
+
+namespace loplugin
+{
+
+class RedundantStatic
+ : public loplugin::FilteringPlugin<RedundantStatic>
+ {
+ public:
+ explicit RedundantStatic( const InstantiationData& data );
+
+ bool preRun() override { return compiler.getLangOpts().CPlusPlus; }
+
+ virtual void run() override;
+ bool VisitFunctionDecl( const FunctionDecl* func );
+
+ bool VisitVarDecl(VarDecl const * decl) {
+ if (ignoreLocation(decl)) {
+ return true;
+ }
+ if (!decl->isFileVarDecl() || decl->isStaticDataMember()) {
+ return true;
+ }
+ if (decl->getStorageClass() != SC_Static) {
+ return true;
+ }
+ if (decl->isInAnonymousNamespace()) {
+ auto loc = compat::getBeginLoc(decl);
+ while (compiler.getSourceManager().isMacroArgExpansion(loc)) {
+ loc = compiler.getSourceManager().getImmediateMacroCallerLoc(loc);
+ }
+ if (compiler.getSourceManager().isMacroBodyExpansion(loc)) {
+ auto const name = Lexer::getImmediateMacroName(
+ loc, compiler.getSourceManager(), compiler.getLangOpts());
+ if (name == "CPPUNIT_TEST_SUITE_REGISTRATION"
+ || name == "CPPUNIT_TEST_SUITE_NAMED_REGISTRATION")
+ {
+ // Those macros contain a `static`, but are often used in an unnamed
+ // namespace, so filter them out:
+ return true;
+ }
+ }
+ report(
+ DiagnosticsEngine::Warning, "redundant 'static' keyword in unnamed namespace",
+ decl->getLocation())
+ << decl->getSourceRange();
+ return true;
+ }
+ if (decl->isInline()) {
+ return true;
+ }
+ if (!loplugin::TypeCheck(decl->getType()).ConstNonVolatile()) {
+ return true;
+ }
+ report(
+ DiagnosticsEngine::Warning,
+ "non-inline variable of non-volatile const-qualified type is redundantly marked as"
+ " 'static'",
+ decl->getLocation())
+ << decl->getSourceRange();
+ return true;
+ }
+ };
+
+RedundantStatic::RedundantStatic( const InstantiationData& data )
+ : FilteringPlugin( data )
+ {
+ }
+
+void RedundantStatic::run()
+ {
+ if (preRun()) {
+ TraverseDecl( compiler.getASTContext().getTranslationUnitDecl());
+ }
+ }
+
+
+bool RedundantStatic::VisitFunctionDecl( const FunctionDecl* func )
+
+ {
+ if( ignoreLocation( func ) )
+ return true;
+ if( func -> isInAnonymousNamespace () )
+ {
+ if ( !isa<CXXMethodDecl>(func) && !func->isInExternCContext() )
+ {
+ if(func-> getStorageClass() == SC_Static)
+ {
+ report( DiagnosticsEngine::Warning,
+ "redundant 'static' keyword in unnamed namespace",
+ compat::getBeginLoc(func));
+ }
+ }
+ }
+
+ return true;
+ }
+
+// Register the plugin action with the LO plugin handling.
+static Plugin::Registration< RedundantStatic > redundantstatic("redundantstatic");
+
+} // namespace
+
+#endif // LO_CLANG_SHARED_PLUGINS
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/compilerplugins/clang/staticanonymous.cxx b/compilerplugins/clang/staticanonymous.cxx
deleted file mode 100644
index 0fd00f2279e7..000000000000
--- a/compilerplugins/clang/staticanonymous.cxx
+++ /dev/null
@@ -1,70 +0,0 @@
-/* -*- 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.
- *
- */
-#ifndef LO_CLANG_SHARED_PLUGINS
-
-#include "plugin.hxx"
-
-/*
-This is a compile check.
-
-Warns about functions with static keyword in an unnamed namespace.
-*/
-
-namespace loplugin
-{
-
-class StaticAnonymous
- : public loplugin::FilteringPlugin<StaticAnonymous>
- {
- public:
- explicit StaticAnonymous( const InstantiationData& data );
- virtual void run() override;
- bool VisitFunctionDecl( const FunctionDecl* func );
-
- };
-
-StaticAnonymous::StaticAnonymous( const InstantiationData& data )
- : FilteringPlugin( data )
- {
- }
-
-void StaticAnonymous::run()
- {
- TraverseDecl( compiler.getASTContext().getTranslationUnitDecl());
- }
-
-
-bool StaticAnonymous::VisitFunctionDecl( const FunctionDecl* func )
-
- {
- if( ignoreLocation( func ) )
- return true;
- if( func -> isInAnonymousNamespace () )
- {
- if ( !isa<CXXMethodDecl>(func) && !func->isInExternCContext() )
- {
- if(func-> getStorageClass() == SC_Static)
- {
- report( DiagnosticsEngine::Warning,
- "redundant 'static' keyword in unnamed namespace",
- compat::getBeginLoc(func));
- }
- }
- }
-
- return true;
- }
-
-// Register the plugin action with the LO plugin handling.
-static Plugin::Registration< StaticAnonymous > staticanonymous("staticanonymous");
-
-} // namespace
-
-#endif // LO_CLANG_SHARED_PLUGINS
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/solenv/clang-format/blacklist b/solenv/clang-format/blacklist
index 65e2e76c035a..581b36c133f8 100644
--- a/solenv/clang-format/blacklist
+++ b/solenv/clang-format/blacklist
@@ -1686,6 +1686,7 @@ compilerplugins/clang/rangedforcopy.cxx
compilerplugins/clang/redundantcast.cxx
compilerplugins/clang/redundantinline.cxx
compilerplugins/clang/redundantpointerops.cxx
+compilerplugins/clang/redundantstatic.cxx
compilerplugins/clang/refcounting.cxx
compilerplugins/clang/rendercontext.cxx
compilerplugins/clang/reservedid.cxx
@@ -1698,7 +1699,6 @@ compilerplugins/clang/sharedvisitor/generator.cxx
compilerplugins/clang/simplifybool.cxx
compilerplugins/clang/singlevalfields.cxx
compilerplugins/clang/staticaccess.cxx
-compilerplugins/clang/staticanonymous.cxx
compilerplugins/clang/staticmethods.cxx
compilerplugins/clang/store/badvectorinit.cxx
compilerplugins/clang/store/bodynotinblock.cxx