HP SunSoft Pascal 4.0 Manuale Utente Scaricare il pdf (Pagina 274)

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101

250 Pascal 4.0 User’s Guide

Example

The %else Directive

The %else directive provides an alternative action to the %if directive.

Syntax

%if expression %then

%else

%endif

The Pascal program, debug.p program debug_example(output);

{ This program demonstrates the use of the

%debug compiler directive. }

begin

writeln ('Hello, how are you?');

%debug; writeln ('Fine, thank you.');

end. { debug example }

The output when you compile

debug.p without the –cond

option

hostname% pc -xl debug.p

hostname% a.out

Hello, how are you?

The output when you use –cond hostname% pc -xl –cond debug.p

hostname% a.out

Hello, how are you?

Fine, thank you.

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HP SunSoft Pascal 4.0 Manuale Utente Pagina 274

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