diff options
Diffstat (limited to 'Build/source/texk/web2c/omegaware/opl2ofm.up')
-rw-r--r-- | Build/source/texk/web2c/omegaware/opl2ofm.up | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/omegaware/opl2ofm.up b/Build/source/texk/web2c/omegaware/opl2ofm.up new file mode 100644 index 00000000000..f697ab42ba7 --- /dev/null +++ b/Build/source/texk/web2c/omegaware/opl2ofm.up @@ -0,0 +1,81 @@ +% 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 |