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Registerification of the VDBE is complete. The operand stack has been

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removed from the code.  All instructions operate out of registers only. (CVS 4718)

FossilOrigin-Name: 706b41b70bd1e2030e6fa44358c38a26c5cf0985
This commit is contained in:
drh
2008-01-17 16:22:13 +00:00
parent 07a518ebf6
commit 9cbf3425fb
20 changed files with 394 additions and 680 deletions
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18
src/pragma.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.167 2008/01/17 02:36:28 drh Exp $
** $Id: pragma.c,v 1.168 2008/01/17 16:22:15 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -252,7 +252,7 @@ void sqlite3Pragma(
Db *pDb;
Vdbe *v = pParse->pVdbe = sqlite3VdbeCreate(db);
if( v==0 ) return;
pParse->nMem = 1;
pParse->nMem = 2;
/* Interpret the [database.] part of the pragma statement. iDb is the
** index of the database this pragma is being applied to in db.aDb[]. */
@@ -321,12 +321,12 @@ void sqlite3Pragma(
int size = atoi(zRight);
if( size<0 ) size = -size;
sqlite3BeginWriteOperation(pParse, 0, iDb);
sqlite3VdbeAddOp1(v, OP_Integer, size);
sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, 0, 2);
addr = sqlite3VdbeAddOp2(v, OP_IfPos, 0, 0);
sqlite3VdbeAddOp1(v, OP_Integer, -size);
sqlite3VdbeAddOp2(v, OP_Integer, size, 1);
sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, 2, 2);
addr = sqlite3VdbeAddOp2(v, OP_IfPos, 2, 0);
sqlite3VdbeAddOp2(v, OP_Integer, -size, 1);
sqlite3VdbeJumpHere(v, addr);
sqlite3VdbeAddOp2(v, OP_SetCookie, iDb, 2);
sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, 2, 1);
pDb->pSchema->cache_size = size;
sqlite3BtreeSetCacheSize(pDb->pBt, pDb->pSchema->cache_size);
}
@@ -1109,8 +1109,8 @@ void sqlite3Pragma(
/* Write the specified cookie value */
static const VdbeOpList setCookie[] = {
{ OP_Transaction, 0, 1, 0}, /* 0 */
{ OP_Integer, 0, 0, 0}, /* 1 */
{ OP_SetCookie, 0, 0, 0}, /* 2 */
{ OP_Integer, 0, 1, 0}, /* 1 */
{ OP_SetCookie, 0, 0, 1}, /* 2 */
};
int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie);
sqlite3VdbeChangeP1(v, addr, iDb);