database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-15 11:41:13 +03:00
Code Activity

All essential opcodes can now operate out of registers and completely

Browse Source 
avoid the stack.  Many still optionally use the stack to support legacy
code generation, but the stack is not required.  The next step is to
update all code generation to avoid using the stack. (CVS 4700)

FossilOrigin-Name: e3cf1c1c114bcda8fe577beb5ee55b4a651b96db
This commit is contained in:
drh
2008-01-09 23:04:12 +00:00
parent c920628f26
commit 98757157ee
15 changed files with 380 additions and 453 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/pragma.c
View File

@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.163 2008/01/09 02:15:39 drh Exp $
** $Id: pragma.c,v 1.164 2008/01/09 23:04:12 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -854,6 +854,7 @@ void sqlite3Pragma(
}
}
sqlite3VdbeAddOp2(v, OP_Integer, mxErr, 1);
pParse->nMem = 1;
/* Do an integrity check on each database file */
for(i=0; i<db->nDb; i++){
@@ -874,22 +875,25 @@ void sqlite3Pragma(
for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
Table *pTab = sqliteHashData(x);
Index *pIdx;
sqlite3VdbeAddOp2(v, OP_Integer, pTab->tnum, 0);
sqlite3VdbeAddOp2(v, OP_Integer, pTab->tnum, 2+cnt);
cnt++;
for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
sqlite3VdbeAddOp2(v, OP_Integer, pIdx->tnum, 0);
sqlite3VdbeAddOp2(v, OP_Integer, pIdx->tnum, 2+cnt);
cnt++;
}
}
if( cnt==0 ) continue;
sqlite3VdbeAddOp2(v, OP_IntegrityCk, 1, i);
addr = sqlite3VdbeAddOp2(v, OP_StackIsNull, -1, 0);
sqlite3VdbeAddOp4(v, OP_String8, 0, 0, 0,
if( pParse->nMem < cnt+3 ){
pParse->nMem = cnt+3;
}
sqlite3VdbeAddOp3(v, OP_IntegrityCk, 2, cnt, 1);
sqlite3VdbeChangeP5(v, i);
addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2);
sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zName),
P4_DYNAMIC);
sqlite3VdbeAddOp2(v, OP_Pull, 1, 0);
sqlite3VdbeAddOp0(v, OP_Concat);
sqlite3VdbeAddOp2(v, OP_Callback, 1, 0);
sqlite3VdbeAddOp3(v, OP_Concat, 2, 3, 2);
sqlite3VdbeAddOp2(v, OP_ResultRow, 2, 1);
sqlite3VdbeJumpHere(v, addr);
/* Make sure all the indices are constructed correctly.