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% opl2ofm.up. Public domain.
%
% Allow character codes up to "10FFFF.
@x [3] Increase constants.
@d char_max=@"FFFF
@y
@d char_max=@"10FFFF
@z
@x [51]
@p function get_byte:byte; {scans a one-byte property value}
@y
We have to distinguish between character codes that may exceed |@"FFFF|
and those that are store in one |byte| and thus must not exceed |@"FFFF|.
@p function get_char_code:integer; {scans a character code value}
@z
@x [51]
cur_char:=" "; get_byte:=acc;
@y
cur_char:=" "; get_char_code:=acc;
end;
@#
function get_byte:integer; {scans a one-byte property value}
var acc:integer; {an accumulator}
begin acc:=get_char_code;
if acc>@"FFFF then begin
skip_error('This value shouldn''t exceed "FFFF');
@.This value shouldn't...@>
acc:=0; cur_char:=" ";
end;
get_byte:=acc;
@z
@x [53]
begin skip_error('This value shouldn''t exceed 65535');
@y
begin skip_error('This value shouldn''t exceed 1114111');
@z
@x [54]
begin skip_error('This value shouldn''t exceed ''177777');
@y
begin skip_error('This value shouldn''t exceed ''4177777');
@z
@x [55]
begin skip_error('This value shouldn''t exceed "FFFF');
@y
begin skip_error('This value shouldn''t exceed "10FFFF');
@z
@x [98]
else begin backup; c:=get_byte;
@y
else begin backup; c:=get_char_code;
@z
@x [106]
@ @<Read an extended label step@>=
begin c:=get_byte;
@y
@ @<Read an extended label step@>=
begin c:=get_char_code;
@z
@x [116]
c:=get_byte; {read the character code that is being specified}
@y
c:=get_char_code; {read the character code that is being specified}
@z
@x [119]
c:=get_byte; {read the character code that is being specified}
@y
c:=get_char_code; {read the character code that is being specified}
@z
@x [159]
while (not diff) and (cprime<=ec) do begin
@y
while (not diff) and (cprime<=ec) and (cprime-c<@"10000) do begin
@z
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