unsigned Execute( bool tracing, bool do_flip )
{
unsigned conditions;
bool stack_cmds;
static unsigned executing = 0;
if( !CheckStackPos() )
return( COND_USER );
if( !AdvMachState( ACTION_EXECUTE ) )
return( COND_USER );
if( executing == 0 ) {
++executing;
HookNotify( true, HOOK_EXEC_START );
--executing;
}
/* get rid of useless pending input information */
for( ;; ) {
if( CurrToken != T_LINE_SEPARATOR )
break;
if( InpStack == NULL )
break;
if( InpStack->type & (INP_HOLD|INP_STOP_PURGE) )
break;
if( InpStack->rtn( InpStack->handle, INP_RTN_EOL ) )
continue;
PopInpStack();
}
_SwitchOff( SW_TRAP_CMDS_PUSHED );
conditions = ExecProg( tracing, do_flip, true );
SetCodeDot( GetRegIP() );
stack_cmds = true;
if( tracing && (conditions & COND_BREAK) )
stack_cmds = false;
if( ReportTrap( conditions, stack_cmds ) ) {
_SwitchOn( SW_TRAP_CMDS_PUSHED );
}
if( executing == 0 ) {
++executing;
HookNotify( true, HOOK_EXEC_END );
--executing;
}
if( conditions & COND_TERMINATE ) {
HookNotify( true, HOOK_PROG_END );
}
return( conditions );
}
static bool CallRoutine( void )
{
unsigned trap;
address sp;
sp = GetRegSP();
for( ;; ) {
trap = ExecProg( FALSE, TRUE, FALSE );
if( !(trap & COND_BREAK) ) {
ReportTrap( trap, FALSE );
return( FALSE );
}
if( MADTraceHaveRecursed( sp, &DbgRegs->mr ) != MS_OK ) {
return( TRUE );
}
}
}
