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Modify the build process so that the VDBE opcode numbers and the table

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that contains the opcode names are both automatically generated. This makes
it much easier to create new VDBE opcodes. (CVS 746)

FossilOrigin-Name: eb54d455b0325d3be96daf6c220c4ee3e0da1a85
This commit is contained in:
drh
2002-09-08 00:04:50 +00:00
parent 8c90ebb0e2
commit 8f619ccd3c
9 changed files with 157 additions and 298 deletions
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10
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.80 2002/08/24 18:24:54 drh Exp $
** $Id: expr.c,v 1.81 2002/09/08 00:04:52 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1369,7 +1369,13 @@ void sqliteExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int jumpIfNull){
case TK_NE:
case TK_EQ: {
if( pParse->db->file_format>=4 && sqliteExprType(pExpr)==SQLITE_SO_TEXT ){
op += 6; /* Convert numeric opcodes to text opcodes */
/* Convert numeric comparison opcodes into text comparison opcodes.
** This step depends on the fact that the text comparision opcodes are
** always 6 greater than their corresponding numeric comparison
** opcodes.
*/
assert( OP_Eq+6 == OP_StrEq );
op += 6;
}
sqliteExprCode(pParse, pExpr->pLeft);
sqliteExprCode(pParse, pExpr->pRight);