word wait_dialog()
{
word key,mx,my,ev;
for(;;)
{
xor_command();
ev=get_event(&key,&mx,&my);
xor_command();
if (ev&EV_KEY)
{
if (key==KEY_ESC)
return ERRM_INTERRUPTED;
key_command(key);
if ( (key==KEY_RETURN) || (key==KEY_ENTER) )
return 0;
}
}
return ev;
}
/*
* void execute_commands()
*
* Processes commands until the QUIT command is entered
*
*/
void execute_commands() {
char buffer[MAX_INPUT_STRING];
int num_chars = 0;
while ( TRUE ) {
printf( PROMPT );
scanf("%s", buffer);
num_chars = strlen(buffer);
if ( is_valid_number( buffer ) ) {
push( atoi(buffer) );
continue;
}
if ( num_chars > 1 ) {
printf( BAD_INPUT_MSG );
continue;
}
if ( tolower( buffer[0] ) == QUIT ) return;
/* Remove the TODO_MSG as you implement and test commands */
switch( tolower( buffer[0] ) ){
case ADD:
add_command();
break;
case SUB:
sub_command();
break;
case MULT:
mult_command();
break;
case DIV:
div_command();
break;
case MOD:
mod_command();
break;
case AND:
and_command();
break;
case OR:
or_command();
break;
case XOR:
xor_command();
break;
case NOT:
not_command();
break;
case FACTORIAL:
factorial_command();
break;
case TOGGLE_HEX:
toggle_hex();
break;
case TOGGLE_BUG:
toggle_bug();
break;
case PRINT_STACK:
print_stack();
break;
case PRINT_TOP:
print_top();
break;
case CLEAR:
clear_command();
break;
case EXCHANGE:
exchange_command();
break;
case POP:
pop();
break;
case HELP:
help_command();
break;
default:
printf( BAD_INPUT_MSG );
}
}
}
