Re: Need help for a Calculator program

[John English <je@brighton.ac.uk>]

Jim wrote:
> 
> ive been reading that online book
> http://www.it.bton.ac.uk/staff/je/adacraft/
> 
> it tell you how to program a calculator throughout the book, starting
> with basic adding and then going on to operator procedence(well i
> havent reached this stage yet) but the second part of the calculator
> program (chapter  ) you enter an expression eg 1 + 2 + 3 * 4.  but you
> have to end the expression with a full stop.  Is there a way where you
> dont have to enter a full stop.

You can always use Ada.Text_IO.End_Of_Line to test for the end of
the line, or read a line into a string using Ada.Text_IO.Get_Line
and then process the string, stopping when you reach the end of it.
The implementation details I leave as an exercise for the reader... :-)

-----------------------------------------------------------------
 John English              | mailto:je@brighton.ac.uk
 Senior Lecturer           | http://www.it.bton.ac.uk/staff/je
 Dept. of Computing        | ** NON-PROFIT CD FOR CS STUDENTS **
 University of Brighton    |    -- see http://burks.bton.ac.uk
-----------------------------------------------------------------