Annotation of 42BSD/ucb/pascal/pdx/test/fproc.p, revision 1.1

1.1     ! root        1: program fproc(output);
        !             2:     var
        !             3:     i :integer;
        !             4: 
        !             5:     procedure print(function frtn :integer);
        !             6:        begin
        !             7:            write(frtn:3,'   formal routine =');
        !             8:        end;
        !             9: 
        !            10:     procedure lvl1(function form: integer);
        !            11:        label   1;
        !            12:        var
        !            13:        loc :integer;
        !            14: 
        !            15:        function eval :integer;
        !            16:            begin
        !            17:                if loc = 8 then begin
        !            18:                        writeln(' non-local jump');
        !            19:                        goto 1;
        !            20:                end;
        !            21:                eval := loc;
        !            22:            end;
        !            23: 
        !            24:     begin
        !            25:        loc := i;
        !            26:        i := i - 1;
        !            27:        if (loc = 4) or (loc = 8) then
        !            28:                lvl1(eval)
        !            29:        else if loc > 0 then
        !            30:                lvl1(form);
        !            31: 1:     write('Stack frame:',loc:3,'   formal print =');
        !            32:        print(form);
        !            33:        writeln(form:3);
        !            34:     end;
        !            35: 
        !            36:     function geval :integer;
        !            37:        begin
        !            38:            geval := i;
        !            39:        end;
        !            40: 
        !            41:     begin
        !            42:        writeln('This should print levels 0-3, with formal values of 4.');
        !            43:        writeln('Level 4 should jump to level 8.');
        !            44:        writeln('Finally levels 8-10 should print with formal values of -1.');
        !            45:        i := 10;
        !            46:        lvl1(geval);
        !            47:     end.

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