opt_support.h

一个内存数据库的源代码这是服务器端还有客户端

#include "mal.h"
#include "mal_function.h"
#include "mal_scenario.h"
#include "mal_builder.h"

/* #define DEBUG_OPT_OPTIMIZER     show partial result */

#ifdef WIN32
#ifndef LIBOPTIMIZER
#define opt_export extern __declspec(dllimport)
#else
#define opt_export extern __declspec(dllexport)
#endif
#else
#define opt_export extern
#endif

opt_export str MALoptimizer(Client c);
opt_export int optimizerCheck(MalBlkPtr mb, str name, int actions, lng usec, int flag);
opt_export void resetOptimizerDebugger(void);
opt_export str optimizeMALBlock(MalBlkPtr mb);
opt_export void showOptimizerStep(str fnme,int i, int flg);
opt_export void showOptimizerHistory(void);
opt_export str debugOptimizers(MalBlkPtr mb, MalStkPtr stk, InstrPtr pci);
opt_export void replaceAlias(MalBlkPtr mb, int pc, int pcl, int src, int alias);

opt_export int isUnsafeInstruction(InstrPtr q);
opt_export int isUnsafeFunction(InstrPtr q);
opt_export int isInvariant(MalBlkPtr mb, int pcf, int pcl, int varid);
opt_export int isDependent(InstrPtr p, InstrPtr q);
opt_export int safetyBarrier(InstrPtr p, InstrPtr q);
opt_export int hasSameSignature(InstrPtr p, InstrPtr q);
opt_export int hasSameArguments(MalBlkPtr mb, InstrPtr p, InstrPtr q);
opt_export int isUpdated(MalBlkPtr mb, int pc);
opt_export int hasCommonResults(InstrPtr p, InstrPtr q);
opt_export int hasSideEffects(InstrPtr p, int strict);
opt_export int allArgumentsVisible(MalBlkPtr mb, int pc,int qc);
opt_export int allTargetsVisible(MalBlkPtr mb, int pc, int qc);

#define isAlife(M,I,X)          ( (M)->var[I]->beginLifespan<=X && \
                                  (M)->var[I]->endLifespan>=X)
#define isSinglepoint(M,I)  ( (M)->var[I]->beginLifespan== \
                  (M)->var[I]->endLifespan)




#define OPT_CHECK_FLOW	1
#define OPT_CHECK_TYPES 2
#define OPT_CHECK_DECL 4
#define OPT_CHECK_SPAN 8

#define OPT_CHECK_ALL (OPT_CHECK_FLOW | OPT_CHECK_TYPES | OPT_CHECK_DECL | OPT_CHECK_SPAN)