From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:06:44 +0200
Subject: Adding upstream version 4:7.4.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../clang/store/removeforwardstringdecl.cxx        | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 compilerplugins/clang/store/removeforwardstringdecl.cxx

(limited to 'compilerplugins/clang/store/removeforwardstringdecl.cxx')

diff --git a/compilerplugins/clang/store/removeforwardstringdecl.cxx b/compilerplugins/clang/store/removeforwardstringdecl.cxx
new file mode 100644
index 000000000..e7a546a8f
--- /dev/null
+++ b/compilerplugins/clang/store/removeforwardstringdecl.cxx
@@ -0,0 +1,78 @@
+/* -*- 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.
+ *
+ */
+
+#include "removeforwardstringdecl.hxx"
+
+/*
+This is a rewriter.
+
+Remove all forward declarations of rtl strings. I.e. 'namespace rtl { class OUString; }' etc.
+*/
+
+namespace loplugin
+{
+
+RemoveForwardStringDecl::RemoveForwardStringDecl( CompilerInstance& compiler, Rewriter& rewriter )
+    : FilteringRewritePlugin( compiler, rewriter )
+    {
+    }
+
+void RemoveForwardStringDecl::run()
+    {
+    TraverseDecl( compiler.getASTContext().getTranslationUnitDecl());
+    }
+
+bool RemoveForwardStringDecl::VisitNamespaceDecl( const NamespaceDecl* declaration )
+    {
+    if( ignoreLocation( declaration ))
+        return true;
+    if( declaration->getQualifiedNameAsString() != "rtl" )
+        return true;
+    bool canRemove = true;
+    for( NamespaceDecl::decl_iterator it = declaration->decls_begin();
+         it != declaration->decls_end();
+         ++it )
+        {
+        if( *it != NULL )
+            {
+            if( !tryRemoveStringForwardDecl( *it ))
+                canRemove = false;
+            }
+        }
+    if( canRemove ) // contained only forward decls that we removed
+        removeText( declaration->getSourceRange(), RemoveLineIfEmpty );
+    return true;
+    }
+
+bool RemoveForwardStringDecl::tryRemoveStringForwardDecl( const Decl* decl )
+    {
+    const CXXRecordDecl* classdecl = dyn_cast< CXXRecordDecl >( decl );
+    if( classdecl == NULL )
+        return false;
+    if( !classdecl->isFreeStanding() || classdecl->isCompleteDefinition())
+        return false; // not a simple forward declaration
+    if( classdecl->getName() == "OString" || classdecl->getName() == "OUString"
+        || classdecl->getName() == "OStringBuffer" || classdecl->getName() == "OUStringBuffer"
+        || classdecl->getName() == "OStringHash" || classdecl->getName() == "OUStringHash"
+        || classdecl->getName() == "OStringLiteral" || classdecl->getName() == "OUStringLiteral" )
+        {
+        removeText( SourceRange( classdecl->getOuterLocStart(), classdecl->getLocEnd()),
+            RemoveLineIfEmpty | RemoveWholeStatement );
+        return true;
+        }
+    return false;
+    }
+
+static Plugin::Registration< RemoveForwardStringDecl > X( "removeforwardstringdecl" );
+
+} // namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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