SQLite

**
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** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
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** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.384 2004/06/21 10:45:09 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*

  if( pTos->flags&(MEM_Str|MEM_Blob) ){
    pTos->flags &= ~(MEM_Dyn|MEM_Ephem|MEM_Short);
    pTos->flags |= MEM_Static;
  }
  break;
}

/* Opcode: Utf16le_8 * * *
**
** The element on the top of the stack must be a little-endian UTF-16
** encoded string. It is translated in-place to UTF-8.
*/
case OP_Utf16le_8: {
  rc = SQLITE_INTERNAL;
  break;
}

/* Opcode: Utf16be_8 * * *
**
** The element on the top of the stack must be a big-endian UTF-16
** encoded string. It is translated in-place to UTF-8.
*/
case OP_Utf16be_8: {
  rc = SQLITE_INTERNAL;
  break;
}

/* Opcode: Utf8_16be * * *
**
** The element on the top of the stack must be a UTF-8 encoded
** string. It is translated to big-endian UTF-16.
*/
case OP_Utf8_16be: {
  rc = SQLITE_INTERNAL;
  break;
}

/* Opcode: Utf8_16le * * *
**
** The element on the top of the stack must be a UTF-8 encoded
** string. It is translated to little-endian UTF-16.
*/
case OP_Utf8_16le: {
  rc = SQLITE_INTERNAL;
  break;
}

/*
** Opcode: UtfSwab
**
** The element on the top of the stack must be an UTF-16 encoded
** string. Every second byte is exchanged, so as to translate
** the string from little-endian to big-endian or vice versa.
*/
case OP_UtfSwab: {
  rc = SQLITE_INTERNAL;
  break;
}

/* Opcode: Pop P1 * *
**
** P1 elements are popped off of the top of stack and discarded.
*/
case OP_Pop: {
  assert( pOp->p1>=0 );
  popStack(&pTos, pOp->p1);