loplugin:flatten in idlc

Change-Id: Ieef78720d4569d59bc69b40a1bea02839667b847
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91819
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

4 files changed, 141 insertions, 137 deletions

diff --git a/idlc/source/astdump.cxx b/idlc/source/astdump.cxx
index 081671615912..79613e137fb9 100644
--- a/idlc/source/astdump.cxx
+++ b/idlc/source/astdump.cxx
@@ -383,24 +383,25 @@ void AstAttribute::dumpExceptions(
     typereg::Writer & writer, OUString const & documentation,
     DeclList const & exceptions, RTMethodMode flags, sal_uInt16 * methodIndex) const
 {
-    if (!exceptions.empty()) {
-        OSL_ASSERT(methodIndex != nullptr);
-        sal_uInt16 idx = (*methodIndex)++;
-        // exceptions.size() <= SAL_MAX_UINT16 already checked in
-        // AstInterface::dump:
-        writer.setMethodData(
-            idx, documentation, flags,
-            OStringToOUString(getLocalName(), RTL_TEXTENCODING_UTF8),
-            "void", 0,
-            static_cast< sal_uInt16 >(exceptions.size()));
-        sal_uInt16 exceptionIndex = 0;
-        for (auto const& elem : exceptions)
-        {
-            writer.setMethodExceptionTypeName(
-                idx, exceptionIndex++,
-                OStringToOUString(
-                    elem->getRelativName(), RTL_TEXTENCODING_UTF8));
-        }
+    if (exceptions.empty())
+        return;
+
+    OSL_ASSERT(methodIndex != nullptr);
+    sal_uInt16 idx = (*methodIndex)++;
+    // exceptions.size() <= SAL_MAX_UINT16 already checked in
+    // AstInterface::dump:
+    writer.setMethodData(
+        idx, documentation, flags,
+        OStringToOUString(getLocalName(), RTL_TEXTENCODING_UTF8),
+        "void", 0,
+        static_cast< sal_uInt16 >(exceptions.size()));
+    sal_uInt16 exceptionIndex = 0;
+    for (auto const& elem : exceptions)
+    {
+        writer.setMethodExceptionTypeName(
+            idx, exceptionIndex++,
+            OStringToOUString(
+                elem->getRelativName(), RTL_TEXTENCODING_UTF8));
     }
 }
 
diff --git a/idlc/source/astinterface.cxx b/idlc/source/astinterface.cxx
index 991759384869..a5f2ed21bf2c 100644
--- a/idlc/source/astinterface.cxx
+++ b/idlc/source/astinterface.cxx
@@ -253,54 +253,55 @@ void AstInterface::checkInheritedInterfaceClashes(
     std::set< OString > & seenInterfaces, AstInterface const * ifc,
     bool direct, bool optional, bool mainOptional) const
 {
-    if (direct || optional
-        || seenInterfaces.insert(ifc->getScopedName()).second)
-    {
-        VisibleInterfaces::const_iterator visible(
-            m_visibleInterfaces.find(ifc->getScopedName()));
-        if (visible != m_visibleInterfaces.end()) {
-            switch (visible->second) {
-            case INTERFACE_INDIRECT_OPTIONAL:
-                if (direct && optional) {
-                    doubleDeclarations.interfaces.push_back(ifc);
-                    return;
-                }
-                break;
-
-            case INTERFACE_DIRECT_OPTIONAL:
-                if (direct || !mainOptional) {
-                    doubleDeclarations.interfaces.push_back(ifc);
-                }
-                return;
-
-            case INTERFACE_INDIRECT_MANDATORY:
-                if (direct) {
-                    doubleDeclarations.interfaces.push_back(ifc);
-                }
+    if (!(direct || optional
+        || seenInterfaces.insert(ifc->getScopedName()).second))
+        return;
+
+    VisibleInterfaces::const_iterator visible(
+        m_visibleInterfaces.find(ifc->getScopedName()));
+    if (visible != m_visibleInterfaces.end()) {
+        switch (visible->second) {
+        case INTERFACE_INDIRECT_OPTIONAL:
+            if (direct && optional) {
+                doubleDeclarations.interfaces.push_back(ifc);
                 return;
+            }
+            break;
 
-            case INTERFACE_DIRECT_MANDATORY:
-                if (direct || (!optional && !mainOptional)) {
-                    doubleDeclarations.interfaces.push_back(ifc);
-                }
-                return;
+        case INTERFACE_DIRECT_OPTIONAL:
+            if (direct || !mainOptional) {
+                doubleDeclarations.interfaces.push_back(ifc);
             }
-        }
-        if (direct || !optional) {
-            for (DeclList::const_iterator i(ifc->getIteratorBegin());
-                  i != ifc->getIteratorEnd(); ++i)
-            {
-                checkMemberClashes(
-                    doubleDeclarations.members, *i, !mainOptional);
+            return;
+
+        case INTERFACE_INDIRECT_MANDATORY:
+            if (direct) {
+                doubleDeclarations.interfaces.push_back(ifc);
             }
-            for (auto const& elem : ifc->m_inheritedInterfaces)
-            {
-                checkInheritedInterfaceClashes(
-                    doubleDeclarations, seenInterfaces, elem.getResolved(),
-                    false, elem.isOptional(), mainOptional);
+            return;
+
+        case INTERFACE_DIRECT_MANDATORY:
+            if (direct || (!optional && !mainOptional)) {
+                doubleDeclarations.interfaces.push_back(ifc);
             }
+            return;
         }
     }
+    if (!(direct || !optional))
+        return;
+
+    for (DeclList::const_iterator i(ifc->getIteratorBegin());
+          i != ifc->getIteratorEnd(); ++i)
+    {
+        checkMemberClashes(
+            doubleDeclarations.members, *i, !mainOptional);
+    }
+    for (auto const& elem : ifc->m_inheritedInterfaces)
+    {
+        checkInheritedInterfaceClashes(
+            doubleDeclarations, seenInterfaces, elem.getResolved(),
+            false, elem.isOptional(), mainOptional);
+    }
 }
 
 void AstInterface::checkMemberClashes(
@@ -309,25 +310,26 @@ void AstInterface::checkMemberClashes(
 {
     VisibleMembers::const_iterator i(
         m_visibleMembers.find(member->getLocalName()));
-    if (i != m_visibleMembers.end()) {
-        if (i->second.mandatory != nullptr) {
-            if (i->second.mandatory->getScopedName() != member->getScopedName())
-            {
+    if (i == m_visibleMembers.end())
+        return;
+
+    if (i->second.mandatory != nullptr) {
+        if (i->second.mandatory->getScopedName() != member->getScopedName())
+        {
+            DoubleMemberDeclaration d;
+            d.first = i->second.mandatory;
+            d.second = member;
+            doubleMembers.push_back(d);
+        }
+    } else if (checkOptional) {
+        for (auto const& elem : i->second.optionals)
+        {
+            if (elem.second->getScopedName() != member->getScopedName()) {
                 DoubleMemberDeclaration d;
-                d.first = i->second.mandatory;
+                d.first = elem.second;
                 d.second = member;
                 doubleMembers.push_back(d);
             }
-        } else if (checkOptional) {
-            for (auto const& elem : i->second.optionals)
-            {
-                if (elem.second->getScopedName() != member->getScopedName()) {
-                    DoubleMemberDeclaration d;
-                    d.first = elem.second;
-                    d.second = member;
-                    doubleMembers.push_back(d);
-                }
-            }
         }
     }
 }
@@ -345,17 +347,18 @@ void AstInterface::addVisibleInterface(
     if (!result.second && kind > result.first->second) {
         result.first->second = kind;
     }
-    if (!optional && !seen) {
-        for (DeclList::const_iterator i(ifc->getIteratorBegin());
-              i != ifc->getIteratorEnd(); ++i)
-        {
-            m_visibleMembers.emplace(
-                    (*i)->getLocalName(), VisibleMember(*i));
-        }
-        for (auto const& elem : ifc->m_inheritedInterfaces)
-        {
-            addVisibleInterface(elem.getResolved(), false, elem.isOptional());
-        }
+    if (optional || seen)
+        return;
+
+    for (DeclList::const_iterator i(ifc->getIteratorBegin());
+          i != ifc->getIteratorEnd(); ++i)
+    {
+        m_visibleMembers.emplace(
+                (*i)->getLocalName(), VisibleMember(*i));
+    }
+    for (auto const& elem : ifc->m_inheritedInterfaces)
+    {
+        addVisibleInterface(elem.getResolved(), false, elem.isOptional());
     }
 }
 
diff --git a/idlc/source/fehelper.cxx b/idlc/source/fehelper.cxx
index a147d3d26e1a..607f5a145677 100644
--- a/idlc/source/fehelper.cxx
+++ b/idlc/source/fehelper.cxx
@@ -69,34 +69,34 @@ FeInheritanceHeader::FeInheritanceHeader(
 
 void FeInheritanceHeader::initializeInherits(OString const * pInherits)
 {
-    if ( pInherits )
+    if ( !pInherits )
+        return;
+
+    AstScope* pScope = idlc()->scopes()->topNonNull();
+    AstDeclaration* pDecl = pScope->lookupByName(*pInherits);
+    if ( pDecl )
     {
-        AstScope* pScope = idlc()->scopes()->topNonNull();
-        AstDeclaration* pDecl = pScope->lookupByName(*pInherits);
-        if ( pDecl )
+        AstDeclaration const * resolved = resolveTypedefs(pDecl);
+        if ( resolved->getNodeType() == getNodeType()
+             && (resolved->getNodeType() != NT_interface
+                 || static_cast< AstInterface const * >(
+                     resolved)->isDefined()) )
         {
-            AstDeclaration const * resolved = resolveTypedefs(pDecl);
-            if ( resolved->getNodeType() == getNodeType()
-                 && (resolved->getNodeType() != NT_interface
-                     || static_cast< AstInterface const * >(
-                         resolved)->isDefined()) )
-            {
-                if ( ErrorHandler::checkPublished( pDecl ) )
-                {
-                    m_pInherits = pDecl;
-                }
-            }
-            else
+            if ( ErrorHandler::checkPublished( pDecl ) )
             {
-                ErrorHandler::inheritanceError(
-                    getNodeType(), getName(), pDecl);
+                m_pInherits = pDecl;
             }
         }
         else
         {
-            ErrorHandler::lookupError(*pInherits);
+            ErrorHandler::inheritanceError(
+                getNodeType(), getName(), pDecl);
         }
     }
+    else
+    {
+        ErrorHandler::lookupError(*pInherits);
+    }
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/idlc/source/idlc.cxx b/idlc/source/idlc.cxx
index 61190845f1ba..5984ca759448 100644
--- a/idlc/source/idlc.cxx
+++ b/idlc/source/idlc.cxx
@@ -148,53 +148,53 @@ static void predefineXInterface(AstModule* pRoot)
 
 static void initializePredefinedTypes(AstModule* pRoot)
 {
-    if ( pRoot )
-    {
-         AstBaseType* pPredefined = new AstBaseType(ET_long, "long", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    if ( !pRoot )
+         return;
 
-         pPredefined = new AstBaseType(ET_ulong, "unsigned long", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    AstBaseType* pPredefined = new AstBaseType(ET_long, "long", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_hyper, "hyper", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_ulong, "unsigned long", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_uhyper, "unsigned hyper", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_hyper, "hyper", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_short, "short", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_uhyper, "unsigned hyper", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_ushort, "unsigned short", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_short, "short", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_float, "float", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_ushort, "unsigned short", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_double, "double", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_float, "float", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_char, "char", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_double, "double", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_byte, "byte", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_char, "char", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_any, "any", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_byte, "byte", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_string, "string", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_any, "any", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_type, "type", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_string, "string", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_boolean, "boolean", pRoot);
-         pRoot->addDeclaration(pPredefined);
+    pPredefined = new AstBaseType(ET_type, "type", pRoot);
+    pRoot->addDeclaration(pPredefined);
 
-         pPredefined = new AstBaseType(ET_void, "void", pRoot);
-         pRoot->addDeclaration(pPredefined);
-    }
+    pPredefined = new AstBaseType(ET_boolean, "boolean", pRoot);
+    pRoot->addDeclaration(pPredefined);
+
+    pPredefined = new AstBaseType(ET_void, "void", pRoot);
+    pRoot->addDeclaration(pPredefined);
 }
 
 Idlc::Idlc(Options* pOptions)