112   bytecodevtab_cursor *pCur;  in bytecodevtabOpen()  local
113   pCur = sqlite3_malloc( sizeof(*pCur) );  in bytecodevtabOpen()
114   if( pCur==0 ) return SQLITE_NOMEM;  in bytecodevtabOpen()
115   memset(pCur, 0, sizeof(*pCur));  in bytecodevtabOpen()
116   sqlite3VdbeMemInit(&pCur->sub, pVTab->db, 1);  in bytecodevtabOpen()
117   *ppCursor = &pCur->base;  in bytecodevtabOpen()
124 static void bytecodevtabCursorClear(bytecodevtab_cursor *pCur){  in bytecodevtabCursorClear()  argument
125   sqlite3_free(pCur->zP4);  in bytecodevtabCursorClear()
126   pCur->zP4 = 0;  in bytecodevtabCursorClear()
127   sqlite3VdbeMemRelease(&pCur->sub);  in bytecodevtabCursorClear()
128   sqlite3VdbeMemSetNull(&pCur->sub);  in bytecodevtabCursorClear()
129   if( pCur->needFinalize ){  in bytecodevtabCursorClear()
130     sqlite3_finalize(pCur->pStmt);  in bytecodevtabCursorClear()
132   pCur->pStmt = 0;  in bytecodevtabCursorClear()
133   pCur->needFinalize = 0;  in bytecodevtabCursorClear()
134   pCur->zType = 0;  in bytecodevtabCursorClear()
135   pCur->zSchema = 0;  in bytecodevtabCursorClear()
136   pCur->zName = 0;  in bytecodevtabCursorClear()
143   bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur;  in bytecodevtabClose()  local
144   bytecodevtabCursorClear(pCur);  in bytecodevtabClose()
145   sqlite3_free(pCur);  in bytecodevtabClose()
154   bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur;  in bytecodevtabNext()  local
157   if( pCur->zP4 ){  in bytecodevtabNext()
158     sqlite3_free(pCur->zP4);  in bytecodevtabNext()
159     pCur->zP4 = 0;  in bytecodevtabNext()
161   if( pCur->zName ){  in bytecodevtabNext()
162     pCur->zName = 0;  in bytecodevtabNext()
163     pCur->zType = 0;  in bytecodevtabNext()
164     pCur->zSchema = 0;  in bytecodevtabNext()
167            (Vdbe*)pCur->pStmt,   in bytecodevtabNext()
168            pCur->showSubprograms ? &pCur->sub : 0,  in bytecodevtabNext()
170            &pCur->iRowid,  in bytecodevtabNext()
171            &pCur->iAddr,  in bytecodevtabNext()
172            &pCur->aOp);  in bytecodevtabNext()
174     sqlite3VdbeMemSetNull(&pCur->sub);  in bytecodevtabNext()
175     pCur->aOp = 0;  in bytecodevtabNext()
185   bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur;  in bytecodevtabEof()  local
186   return pCur->aOp==0;  in bytecodevtabEof()
198   bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur;  in bytecodevtabColumn()  local
200   Op *pOp = pCur->aOp + pCur->iAddr;  in bytecodevtabColumn()
205       if( i<=2 && pCur->zType==0 ){  in bytecodevtabColumn()
212         pCur->zSchema = db->aDb[iDb].zDbSName;  in bytecodevtabColumn()
216             pCur->zName = pTab->zName;  in bytecodevtabColumn()
217             pCur->zType = "table";  in bytecodevtabColumn()
221         if( pCur->zName==0 ){  in bytecodevtabColumn()
225               pCur->zName = pIdx->zName;  in bytecodevtabColumn()
226               pCur->zType = "index";  in bytecodevtabColumn()
236       sqlite3_result_int(ctx, pCur->iAddr);  in bytecodevtabColumn()
253       if( pCur->zP4==0 ){  in bytecodevtabColumn()
254         pCur->zP4 = sqlite3VdbeDisplayP4(pVTab->db, pOp);  in bytecodevtabColumn()
257         sqlite3_result_text(ctx, pCur->zP4, -1, SQLITE_STATIC);  in bytecodevtabColumn()
260         char *zCom = sqlite3VdbeDisplayComment(pVTab->db, pOp, pCur->zP4);  in bytecodevtabColumn()
269       Op *aOp = pCur->aOp;  in bytecodevtabColumn()
272       if( pCur->iRowid==pCur->iAddr+1 ){  in bytecodevtabColumn()
282       sqlite3_result_text(ctx, pCur->zType, -1, SQLITE_STATIC);  in bytecodevtabColumn()
285       sqlite3_result_text(ctx, pCur->zSchema, -1, SQLITE_STATIC);  in bytecodevtabColumn()
288       sqlite3_result_text(ctx, pCur->zName, -1, SQLITE_STATIC);  in bytecodevtabColumn()
302   bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur;  in bytecodevtabRowid()  local
303   *pRowid = pCur->iRowid;  in bytecodevtabRowid()
318   bytecodevtab_cursor *pCur = (bytecodevtab_cursor *)pVtabCursor;  in bytecodevtabFilter()  local
322   bytecodevtabCursorClear(pCur);  in bytecodevtabFilter()
323   pCur->iRowid = 0;  in bytecodevtabFilter()
324   pCur->iAddr = 0;  in bytecodevtabFilter()
325   pCur->showSubprograms = idxNum==0;  in bytecodevtabFilter()
332       rc = sqlite3_prepare_v2(pVTab->db, zSql, -1, &pCur->pStmt, 0);  in bytecodevtabFilter()
333       pCur->needFinalize = 1;  in bytecodevtabFilter()
336     pCur->pStmt = (sqlite3_stmt*)sqlite3_value_pointer(argv[0],"stmt-pointer");  in bytecodevtabFilter()
338   if( pCur->pStmt==0 ){  in bytecodevtabFilter()