cleanup/refactor

Just cosmetic changes on explicit/inline c-trs,
override/final usage and couple of comments on suspicious places.

src/searchd.cpp

@@ -6237,7 +6237,7 @@ struct Expr_Snippet_c : public ISphStringExpr
 		SafeRelease ( m_pArgs );
 	}
 
-	int StringEval ( const CSphMatch & tMatch, const BYTE ** ppStr ) const override
+	int StringEval ( const CSphMatch & tMatch, const BYTE ** ppStr ) const final
 	{
 		CSphScopedProfile ( m_pProfiler, SPH_QSTATE_SNIPPET );
 
@@ -15718,19 +15718,11 @@ void sphHandleMysqlDelete ( StmtErrorReporter_i & tOut, const QueryParserFactory
 
 struct SessionVars_t
 {
-	bool			m_bAutoCommit;
-	bool			m_bInTransaction;
-	ESphCollation	m_eCollation;
-	bool			m_bProfile;
-	bool			m_bVIP;
-
-	SessionVars_t ()
-		: m_bAutoCommit ( true )
-		, m_bInTransaction ( false )
-		, m_eCollation ( g_eCollation )
-		, m_bProfile ( false )
-		, m_bVIP ( false )
-	{}
+	bool			m_bAutoCommit = true;
+	bool			m_bInTransaction = false;
+	ESphCollation	m_eCollation { g_eCollation };
+	bool			m_bProfile = false;
+	bool			m_bVIP = false;
 };
 
 // fwd
 
 struct NetStateCommon_t
 {
-	int					m_iClientSock;
-	int					m_iConnID;
+	int					m_iClientSock = -1;
+	int					m_iConnID = 0;
 	char				m_sClientName[SPH_ADDRPORT_SIZE];
-	bool				m_bKeepSocket;
-	bool				m_bVIP;
+	bool				m_bKeepSocket = false;
+	bool				m_bVIP = false;
 
 	CSphVector<BYTE>	m_dBuf;
-	int					m_iLeft;
-	int					m_iPos;
+	int					m_iLeft = 0;
+	int					m_iPos = 0;
 
 	NetStateCommon_t ();
 	virtual ~NetStateCommon_t ();
 
 
 NetStateCommon_t::NetStateCommon_t ()
-	: m_iClientSock ( -1 )
-	, m_iConnID ( 0 )
-	, m_bKeepSocket ( false )
-	, m_bVIP ( false )
-	, m_iLeft ( 0 )
-	, m_iPos ( 0 )
 {
 	m_sClientName[0] = '\0';
 }

src/searchdha.cpp

@@ -2137,7 +2137,7 @@ void AgentConn_t::SoftTimeoutCallback ()
 {
 	if ( !DoQuery () )
 		StartRemoteLoopTry ();
-	FirePoller ();
+	FirePoller (); // fixme? M.b. no more necessary, since processing queue will restart on fired timeout.
 	sphLogDebugA ( "%d finished retry timeout ref=%d", m_iStoreTag, ( int ) GetRefcount () );
 }
 

src/searchdha.h

@@ -234,7 +234,7 @@ using HostStatSnapshot_t = uint64_t[eMaxAgentStat + ehMaxStat];
 /// per-host dashboard
 struct HostDashboard_t : public ISphRefcountedMT
 {
-	HostDesc_t m_tHost;                // only host info, no indices. Used for ping.
+	HostDesc_t m_tHost;          // only host info, no indices. Used for ping.
 	bool m_bNeedPing = false;    // we'll ping only HA agents, not everyone
 	PersistentConnectionsPool_c * m_pPersPool = nullptr;    // persistence pool also lives here, one per dashboard
 

src/sphinx.cpp

@@ -8751,17 +8751,17 @@ class DiskMatchesToNewSchema_c : public MatchesToNewSchema_c
 	const DWORD *	m_pMVAPool;
 	bool			m_bArenaProhibit;
 
-	virtual const DWORD * GetMVAPool ( const CSphMatch * /*pMatch*/ ) override
+	const DWORD * GetMVAPool ( const CSphMatch * /*pMatch*/ ) final
 	{
 		return m_pMVAPool;
 	}
 
-	virtual const BYTE * GetStringPool ( const CSphMatch * /*pMatch*/ ) override
+	const BYTE * GetStringPool ( const CSphMatch * /*pMatch*/ ) final
 	{
 		return m_pStringPool;
 	}
 
-	virtual bool GetArenaProhibitFlag ( const CSphMatch * /*pMatch*/ ) override
+	bool GetArenaProhibitFlag ( const CSphMatch * /*pMatch*/ ) final
 	{
 		return m_bArenaProhibit;
 	}
@@ -14889,6 +14889,12 @@ struct SphFinalMatchCalc_t : ISphMatchProcessor, ISphNoncopyable
 
 	void Process ( CSphMatch * pMatch ) final
 	{
+		// fixme! tag is signed int,
+		// for distr. tags from remotes set with | 0x80000000,
+		// i e in terms of signed int they're <0!
+		// Is it intention, or bug?
+		// If intention, lt us use uniformely either <0, either &0x80000000
+		// conditions to avoid messing. If bug, shit already happened!
 		if ( pMatch->m_iTag>=0 )
 			return;
 
@@ -15062,6 +15068,10 @@ bool CSphIndex_VLN::MultiScan ( const CSphQuery * pQuery, CSphQueryResult * pRes
 	CSphMatch tMatch;
 	tMatch.Reset ( tMaxSorterSchema.GetDynamicSize() );
 	tMatch.m_iWeight = tArgs.m_iIndexWeight;
+	// fixme! tag also used over bitmask | 0x80000000,
+	// which marks that match comes from remote.
+	// using -1 might be also interpreted as 0xFFFFFFFF in such context!
+	// Does it intended?
 	tMatch.m_iTag = tCtx.m_dCalcFinal.GetLength() ? -1 : tArgs.m_iTag;
 
 	if ( pResult->m_pProfile )
@@ -15071,7 +15081,7 @@ bool CSphIndex_VLN::MultiScan ( const CSphQuery * pQuery, CSphQueryResult * pRes
 	// run full scan with block and row filtering for everything else
 	if ( pQuery->m_dFilters.GetLength()==1
 		&& pQuery->m_dFilters[0].m_eType==SPH_FILTER_VALUES
-		&& pQuery->m_dFilters[0].m_bExclude==false
+		&& !pQuery->m_dFilters[0].m_bExclude
 		&& pQuery->m_dFilters[0].m_sAttrName=="@id"
 		&& tArgs.m_dKillList.GetLength()==0
 		&& pQuery->m_dFilterTree.GetLength()==0 )

src/sphinx.h

@@ -3007,18 +3007,15 @@ struct CSphMatchComparatorState
 	ESphAttr			m_tSubType[MAX_ATTRS];		///< sort-by expression type
 	int					m_dAttrs[MAX_ATTRS];		///< sort-by attr index
 
-	DWORD				m_uAttrDesc;				///< sort order mask (if i-th bit is set, i-th attr order is DESC)
-	DWORD				m_iNow;						///< timestamp (for timesegments sorting mode)
-	SphStringCmp_fn		m_fnStrCmp;					///< string comparator
+	DWORD				m_uAttrDesc = 0;			///< sort order mask (if i-th bit is set, i-th attr order is DESC)
+	DWORD				m_iNow = 0;					///< timestamp (for timesegments sorting mode)
+	SphStringCmp_fn		m_fnStrCmp = nullptr;		///< string comparator
 
 
 	/// create default empty state
 	CSphMatchComparatorState ()
-		: m_uAttrDesc ( 0 )
-		, m_iNow ( 0 )
-		, m_fnStrCmp ( nullptr )
 	{
-		for ( int i=0; i<MAX_ATTRS; i++ )
+		for ( int i=0; i<MAX_ATTRS; ++i )
 		{
 			m_eKeypart[i] = SPH_KEYPART_ID;
 			m_tSubExpr[i] = nullptr;

src/sphinxexpr.cpp

@@ -1525,7 +1525,7 @@ struct Expr_JsonFieldAggr_c : public Expr_JsonFieldConv_c
 		return JsonAggr<int64_t> ( eJson, pVal, m_eFunc, nullptr );
 	}
 
-	bool IsDataPtrAttr() const override { return true; }
+	bool IsDataPtrAttr() const final { return true; }
 
 	uint64_t GetHash ( const ISphSchema & tSorterSchema, uint64_t uPrevHash, bool & bDisable ) final
 	{

src/sphinxint.h

@@ -2327,9 +2327,9 @@ class MatchesToNewSchema_c : public ISphMatchProcessor
 {
 public:
 							MatchesToNewSchema_c ( const ISphSchema * pOldSchema, const ISphSchema * pNewSchema );
-	virtual void			Process ( CSphMatch * pMatch ) override;
+	void					Process ( CSphMatch * pMatch ) final;
 
-protected:
+private:
 	const ISphSchema *		m_pOldSchema;
 	const ISphSchema *		m_pNewSchema;
 	CSphVector<CSphAttrLocator>	m_dNewAttrs;

src/sphinxrt.cpp

@@ -6618,49 +6618,17 @@ static CSphDict * SetupStarDict ( CSphScopedPtr<CSphDict> & tContainer, CSphDict
 	return tContainer.Ptr();
 }
 
-struct CSphAttrTypedLocator : public CSphAttrLocator
-{
-	ESphAttr m_eAttrType;
-	CSphAttrTypedLocator()
-		: m_eAttrType ( SPH_ATTR_NONE )
-	{}
-	inline void Set ( const CSphAttrLocator& tLoc, ESphAttr eAttrType )
-	{
-		m_bDynamic = tLoc.m_bDynamic;
-		m_iBitCount = tLoc.m_iBitCount;
-		m_iBitOffset = tLoc.m_iBitOffset;
-		m_eAttrType = eAttrType;
-	}
-};
-
-struct SphFinalMatchCounter_t : ISphMatchProcessor
-{
-	int		m_iCount;
-	int		m_iSegments;
-
-	explicit SphFinalMatchCounter_t ( int iSegments )
-		: m_iCount ( 0 )
-		, m_iSegments ( iSegments )
-	{ }
-
-	virtual void Process ( CSphMatch * pMatch )
-	{
-		int iMatchSegment = pMatch->m_iTag-1;
-		if ( iMatchSegment>=0 && iMatchSegment<m_iSegments && pMatch->m_pStatic )
-			m_iCount++;
-	}
-};
-
-
-struct SphRtFinalMatchCalc_t : ISphMatchProcessor, ISphNoncopyable
+struct SphRtFinalMatchCalc_t : ISphMatchProcessor, ISphNoncopyable // fixme! that is actually class, not struct.
 {
+private:
 	const CSphQueryContext &	m_tCtx;
 	int							m_iSeg;
 	int							m_iSegments;
 	// count per segments matches
 	// to skip iteration of matches at sorter and pool setup for segment without matches at sorter
 	CSphBitvec					m_dSegments;
 
+public:
 	SphRtFinalMatchCalc_t ( int iSegments, const CSphQueryContext & tCtx )
 		: m_tCtx ( tCtx )
 		, m_iSeg ( 0 )
@@ -6690,7 +6658,7 @@ struct SphRtFinalMatchCalc_t : ISphMatchProcessor, ISphNoncopyable
 		return ( m_iSeg==0 || m_dSegments.BitCount()>0 );
 	}
 
-	virtual void Process ( CSphMatch * pMatch )
+	void Process ( CSphMatch * pMatch ) final
 	{
 		int iMatchSegment = pMatch->m_iTag-1;
 		if ( iMatchSegment==m_iSeg && pMatch->m_pStatic )
@@ -6714,13 +6682,13 @@ class RTMatchesToNewSchema_c : public MatchesToNewSchema_c
 		, m_tMvaArenaFlag ( tMvaArenaFlag )
 	{}
 
-protected:
+private:
 	const SphChunkGuard_t &				m_tGuard;
 	const CSphVector<const DWORD *> &	m_dDiskMVA;
 	const CSphVector<const BYTE *> &	m_dDiskStrings;
 	const CSphBitvec &					m_tMvaArenaFlag;
 
-	virtual const DWORD * GetMVAPool ( const CSphMatch * pMatch ) override
+	const DWORD * GetMVAPool ( const CSphMatch * pMatch ) final
 	{
 		int nRamChunks = m_tGuard.m_dRamChunks.GetLength();
 		int iChunkId = pMatch->m_iTag-1;
@@ -6730,7 +6698,7 @@ class RTMatchesToNewSchema_c : public MatchesToNewSchema_c
 		return m_dDiskMVA[iChunkId-nRamChunks];
 	}
 
-	virtual const BYTE * GetStringPool ( const CSphMatch * pMatch ) override
+	const BYTE * GetStringPool ( const CSphMatch * pMatch ) final
 	{
 		int nRamChunks = m_tGuard.m_dRamChunks.GetLength();
 		int iChunkId = pMatch->m_iTag-1;
@@ -6740,7 +6708,7 @@ class RTMatchesToNewSchema_c : public MatchesToNewSchema_c
 		return m_dDiskStrings[iChunkId-nRamChunks];
 	}
 
-	virtual bool GetArenaProhibitFlag ( const CSphMatch * pMatch ) override
+	bool GetArenaProhibitFlag ( const CSphMatch * pMatch ) final
 	{
 		int nRamChunks = m_tGuard.m_dRamChunks.GetLength();
 		int iChunkId = pMatch->m_iTag-1;

src/sphinxsort.cpp

@@ -4477,7 +4477,7 @@ struct ExprSortJson2StringPtr_c : public ISphExpr
 		, m_pExpr ( pExpr )
 	{}
 
-	bool IsDataPtrAttr () const override { return true; }
+	bool IsDataPtrAttr () const final { return true; }
 
 	float Eval ( const CSphMatch & ) const override { assert ( 0 ); return 0.0f; }