688   Parse sParse;             /* Parsing context */  in sqlite3Prepare()  local
691   memset(PARSE_HDR(&sParse), 0, PARSE_HDR_SZ);  in sqlite3Prepare()
692   memset(PARSE_TAIL(&sParse), 0, PARSE_TAIL_SZ);  in sqlite3Prepare()
693   sParse.pOuterParse = db->pParse;  in sqlite3Prepare()
694   db->pParse = &sParse;  in sqlite3Prepare()
695   sParse.db = db;  in sqlite3Prepare()
696   sParse.pReprepare = pReprepare;  in sqlite3Prepare()
698   if( db->mallocFailed ) sqlite3ErrorMsg(&sParse, "out of memory");  in sqlite3Prepare()
705     sParse.disableLookaside++;  in sqlite3Prepare()
708   sParse.prepFlags = prepFlags & 0xff;  in sqlite3Prepare()
765       sqlite3RunParser(&sParse, zSqlCopy);  in sqlite3Prepare()
766       sParse.zTail = &zSql[sParse.zTail-zSqlCopy];  in sqlite3Prepare()
769       sParse.zTail = &zSql[nBytes];  in sqlite3Prepare()
772     sqlite3RunParser(&sParse, zSql);  in sqlite3Prepare()
774   assert( 0==sParse.nQueryLoop );  in sqlite3Prepare()
777     *pzTail = sParse.zTail;  in sqlite3Prepare()
781     sqlite3VdbeSetSql(sParse.pVdbe, zSql, (int)(sParse.zTail-zSql), prepFlags);  in sqlite3Prepare()
784     sParse.rc = SQLITE_NOMEM_BKPT;  in sqlite3Prepare()
785     sParse.checkSchema = 0;  in sqlite3Prepare()
787   if( sParse.rc!=SQLITE_OK && sParse.rc!=SQLITE_DONE ){  in sqlite3Prepare()
788     if( sParse.checkSchema && db->init.busy==0 ){  in sqlite3Prepare()
789       schemaIsValid(&sParse);  in sqlite3Prepare()
791     if( sParse.pVdbe ){  in sqlite3Prepare()
792       sqlite3VdbeFinalize(sParse.pVdbe);  in sqlite3Prepare()
795     rc = sParse.rc;  in sqlite3Prepare()
796     if( sParse.zErrMsg ){  in sqlite3Prepare()
797       sqlite3ErrorWithMsg(db, rc, "%s", sParse.zErrMsg);  in sqlite3Prepare()
798       sqlite3DbFree(db, sParse.zErrMsg);  in sqlite3Prepare()
803     assert( sParse.zErrMsg==0 );  in sqlite3Prepare()
804     *ppStmt = (sqlite3_stmt*)sParse.pVdbe;  in sqlite3Prepare()
811   while( sParse.pTriggerPrg ){  in sqlite3Prepare()
812     TriggerPrg *pT = sParse.pTriggerPrg;  in sqlite3Prepare()
813     sParse.pTriggerPrg = pT->pNext;  in sqlite3Prepare()
819   sqlite3ParseObjectReset(&sParse);  in sqlite3Prepare()