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% Change file for the TFtoPL processor, for use with GNU Pascal.
% (by Don Knuth, based on the work of Pavel Curtis in ../texware-sparc)
% History:
% 2000.04.30 Original version
% The section numbers used in this file refer to the current numbers,
% and, where different, also to those in the standard TeXware report (CS1097).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [0] WEAVE: print changes only
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
\pageno=\contentspagenumber \advance\pageno by 1
@y
\pageno=\contentspagenumber \advance\pageno by 1
\let\maybe=\iffalse
\def\title{TF\lowercase{to}PL changes for GNU Pascal}
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [1] Change banner string
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@d banner=='This is TFtoPL, Version 3.1' {printed when the program starts}
@y
@d banner=='This is TFtoPL, Version 3.1 for Linux'
{printed when the program starts}
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [2] Fix files in program statement; add external access procedure
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@p program TFtoPL(@!tfm_file,@!pl_file,@!output);
label @<Labels in the outer block@>@/
const @<Constants in the outer block@>@/
type @<Types in the outer block@>@/
var @<Globals in the outer block@>@/
@y
@p program TFtoPL(@!output);
label @<Labels in the outer block@>@/
const @<Constants in the outer block@>@/
type UNIX_file_name=packed array[1..100] of char;
@<Types in the outer block@>@/
var @<Globals in the outer block@>@/
@\
@=#include "texwarext.h"@>
@\@/
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [6] Fix declaration of tfm_file; declare extra TFM-file variables
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@!tfm_file:packed file of 0..255;
@y
@!tfm_file:packed file of ByteCard; {files that contain binary data}
@!tfm_name:UNIX_file_name;
@!tfm_byte:integer;
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [7] Open TFM file
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@ On some systems you may have to do something special to read a
packed file of bytes. For example, the following code didn't work
when it was first tried at Stanford, because packed files have to be
opened with a special switch setting on the \PASCAL\ that was used.
@^system dependencies@>
@<Set init...@>=
reset(tfm_file);
@y
@ On some systems you may have to do something special to read a
packed file of bytes.
@<Set init...@>=
if argc < 3 then begin
print_ln('Usage: tftopl <tfm-file> <pl-file>');
goto final_end;
end;
argv(1, tfm_name);
if testreadaccess(tfm_name) then reset(tfm_file, tfm_name)
else begin print_ln('I can''t read the TFM file!'); goto final_end;
end;
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [16] Declare pl_name
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@!pl_file:text;
@y
@!pl_file:text;
@!pl_name: UNIX_file_name;
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [17] Open PL file
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@ @<Set init...@>=
rewrite(pl_file);
@y
@ @<Set init...@>=
argv(2, pl_name);
rewrite(pl_file, pl_name);
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [18] Fix definition of byte
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@!byte=0..255; {unsigned eight-bit quantity}
@y
@!byte=ByteCard; {unsigned eight-bit quantity}
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [99, was 88] Add printing of newline at end of program
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
final_end:end.
@y
final_end: print_ln(' '); end.
@z
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