// Parse and translate an expression
private void Expression()
{
if (Cradle.IsAddop(Cradle.Look))
Cradle.EmitLn("CLR D0");
else
Term();
while (Cradle.IsAddop(Cradle.Look))
{
Cradle.EmitLn("MOVE D0,-(SP)");
switch (Cradle.Look)
{
case '+': Add(); break;
case '-': Subtract(); break;
}
}
}
// Parse and translate an expression
private int Expression()
{
int Value = (Cradle.IsAddop(Cradle.Look)) ? 0 : Term();
while (Cradle.IsAddop(Cradle.Look))
{
switch (Cradle.Look)
{
case '+':
Cradle.Match('+');
Value += Term();
break;
case '-':
Cradle.Match('-');
Value -= Term();
break;
}
}
return(Value);
}