% Change file for the PLtoTF 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 nunmbers,
% 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{PL\lowercase{to}TF changes for GNU Pascal}
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [1] Change banner string
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@d banner=='This is PLtoTF, Version 3.5' {printed when the program starts}
@y
@d banner=='This is PLtoTF, Version 3.5 for Linux'
{printed when the program starts}
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [2] Fix filenames in program statement; add `final_end' label; add access
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@p program PLtoTF(@!pl_file,@!tfm_file,@!output);
const @<Constants in the outer block@>@/
type @<Types in the outer block@>@/
var @<Globals in the outer block@>@/
@y
@d final_end==9999
@p program PLtoTF(@!output);
label final_end;
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] Open PL file
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
reset(pl_file);
@y
if argc < 3 then begin
print_ln('Usage: pltotf <pl-file> <tfm-file>');
goto final_end;
end;
argv(1, pl_name);
if testreadaccess(pl_name) then reset(pl_file, pl_name)
else begin print_ln('I can''t read the PL file!'); goto final_end;
end;
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [15] Change type of tfm_file and declare extra TFM-file variables
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@!tfm_file:packed file of 0..255;
@y
@!tfm_file : packed file of ByteCard;
@!tfm_name,
@!pl_name : UNIX_file_name;
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [16] Open TFM file
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@ On some systems you may have to do something special to write 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...@>=
rewrite(tfm_file);
@y
@ On some systems you may have to do something special to write a
packed file of bytes.
@^system dependencies@>
@<Set init...@>=
argv(2, tfm_name);
rewrite(tfm_file, tfm_name);
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [17] Make byte a byte
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
@!byte=0..255; {unsigned eight-bit quantity}
@y
@!byte=ByteCard; {unsigned eight-bit quantity}
@z
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% [147, was 135] Define label `final_end'; print newline at end of program
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@x
end.
@y
final_end: print_ln(' '); end.
@z
