diff options
Diffstat (limited to 'tex/context/base/syst-ini.tex')
| -rw-r--r-- | tex/context/base/syst-ini.tex | 98 |
1 files changed, 60 insertions, 38 deletions
diff --git a/tex/context/base/syst-ini.tex b/tex/context/base/syst-ini.tex index 7c9d72127..d4b024c30 100644 --- a/tex/context/base/syst-ini.tex +++ b/tex/context/base/syst-ini.tex @@ -50,7 +50,7 @@ %....... %catcode`\z = 11 -\chardef\active = 13 +\chardef\activecatcode = 13 % later this will become a counter \def ^^L{\par} \def\^^M{\ } % control <return> = control <space> @@ -94,29 +94,27 @@ \ifnum\texengine=\luatexengine \directlua 0 { % this info is stored in the format - if lua.name then - lua.name[0] = "main ctx instance" + lua.name[0] = "main ctx instance" + local extraprimitives = tex.extraprimitives + local enableprimitives = tex.enableprimitives + local core = extraprimitives('core') + local btex = extraprimitives('tex') + local etex = extraprimitives('etex') + local pdftex = extraprimitives('pdftex') + local luatex = extraprimitives('luatex') + local omega = { + "textdir", "pagedir", "mathdir", "pardir", "bodydir", + "leftghost", "rightghost", "localleftbox", "localrightbox", + "localinterlinepenalty", "localbrokenpenalty", + } + local aleph = { + "boxdir", "pagebottomoffset", "pagerightoffset", + } + for _, subset in next, { etex, pdftex, luatex, omega, aleph } do + enableprimitives('',subset) end - if tex.extraprimitives then - local core = tex.extraprimitives('core') - local btex = tex.extraprimitives('tex') - local etex = tex.extraprimitives('etex') - local pdftex = tex.extraprimitives('pdftex') - local luatex = tex.extraprimitives('luatex') - local omega = { - "textdir", "pagedir", "mathdir", "pardir", "bodydir", - "leftghost", "rightghost", "localleftbox", "localrightbox", - "localinterlinepenalty", "localbrokenpenalty", - } - local aleph = { - "boxdir", "pagebottomoffset", "pagerightoffset", - } - for _, subset in pairs { etex, pdftex, luatex, omega, aleph } do - tex.enableprimitives('',subset) - end - for _, subset in pairs { core, btex, etex, pdftex, luatex, omega, aleph } do - tex.enableprimitives('normal',subset) - end + for _, subset in next, { core, btex, etex, pdftex, luatex, omega, aleph } do + enableprimitives('normal',subset) end } \fi @@ -157,6 +155,12 @@ %D %D We reserve some registers for special (management) purposes: +% 0 - 20 : scratch +% 21 - 127 : internal +% 128 - 254 : inserts +% 255 : page +% 256 - : user + \countdef \minallocatedregister = 52 \minallocatedregister = 256 \countdef \maxallocatedregister = 53 \maxallocatedregister = 32767 \countdef \minallocatediochannel = 54 \minallocatediochannel = -1 @@ -177,22 +181,28 @@ \countdef \lastallocatedread = 38 \lastallocatedread = \minallocatediochannel \countdef \lastallocatedwrite = 39 \lastallocatedwrite = \minallocatediochannel \countdef \lastallocatedmarks = 40 \lastallocatedmarks = \minallocatedregister -\countdef \lastallocatedlanguage = 41 \lastallocatedlanguage = \minallocatedlanguage +\countdef \lastallocatedlanguage = 41 \lastallocatedlanguage = \minallocatedlanguage % not used in context \countdef \lastallocatedinsertion = 42 \lastallocatedinsertion = \minallocatedinsert -\countdef \lastallocatedfamily = 43 \lastallocatedfamily = \minallocatedfamily +\countdef \lastallocatedfamily = 43 \lastallocatedfamily = \minallocatedfamily % not used in context \countdef \lastallocatedattribute = 44 \lastallocatedattribute = \minallocatedregister \countdef \mincountervalue = 125 \mincountervalue = -"7FFFFFFF % beware, we use index 125 at the lua end \countdef \maxcountervalue = 126 \maxcountervalue = "7FFFFFFF % beware, we use index 126 at the lua end -\countdef \minusone = 127 \minusone = -1 -\chardef \zerocount = 0 -\chardef \plusone = 1 -\chardef \normalpagebox = 255 % hardcoded in the engine +%countdef \minusone = 127 \minusone = -1 +%chardef \zerocount = 0 +%chardef \plusone = 1 + +\countdef \zerocount = 120 \zerocount = 0 +\countdef \plusone = 121 \plusone = 1 +\countdef \minusone = 122 \minusone = -1 + +%chardef \normalpagebox = 255 +\countdef \normalpagebox = 127 \normalpagebox = 255 % hardcoded in pdftex/xetex % A few traditional allocations: -\countdef \count@ = 255 % hm, used in \newif +\countdef \count@ = 255 % hm, used in \newif .. todo: replace it there \dimendef \dimen@ = 0 \dimendef \dimen@i = 1 % global only \dimendef \dimen@ii = 2 @@ -216,12 +226,23 @@ \def\newread {\allocateregister\lastallocatedread \read \chardef \maxallocatediochannel} \def\newwrite {\allocateregister\lastallocatedwrite \write \chardef \maxallocatediochannel} \def\newmarks {\allocateregister\lastallocatedmarks \marks \mathchardef\maxallocatedregister} -\def\newlanguage{\allocateregister\lastallocatedlanguage \language\chardef \maxallocatedlanguage} \def\newinsert {\allocateregister\lastallocatedinsertion\insert \chardef \maxallocatedinsert} + +%D We don't need these in \CONTEXT: + +\def\newlanguage{\allocateregister\lastallocatedlanguage \language\chardef \maxallocatedlanguage} \def\newfamily {\allocateregister\lastallocatedfamily \fam \chardef \maxallocatedfamily} \let\newfam\newfamily +% watch out, for the moment we disable the check for already being defined +% later we will revert this but first all chardefs must be replaced + +\def\newconstant #1{\ifdefined#1\let#1\undefined\fi\newcount#1} +\def\setnewconstant#1{\ifdefined#1\let#1\undefined\fi\newcount#1#1} % just a number + +% matbe setconstant with check + % %D The next definitions are really needed (in \CONTEXT): %newlinechar=10 \def\outputnewlinechar{\rawcharacter{10}} @@ -318,7 +339,7 @@ \newtoks \emptytoks -%D And even more: +%D And even more: (todo: countdefs 60+) %newcount \minusone \minusone = -1 \newcount \minustwo \minustwo = -2 @@ -424,7 +445,8 @@ %D characters. Because we are not that good at remembering numbers, %D we introduce some symbolic names. -%D As we now have catc-* files, we also have more readable names +%D As we now have catc-* files, we also have more readable names but +%D We will keep the following around for a while. \chardef\@@escape = 0 \chardef\@@begingroup = 1 @@ -438,8 +460,8 @@ \chardef\@@ignore = 9 \chardef\@@space = 10 \chardef\@@letter = 11 -\chardef\@@other = 12 \chardef\other = 12 -\chardef\@@active = 13 \chardef\active = 13 +\chardef\@@other = 12 +\chardef\@@active = 13 \chardef\@@comment = 14 %D Constants to be used with \type {\currentgrouptype}. @@ -634,13 +656,13 @@ %D change. \bgroup - \catcode`\^^M=\active% - \gdef\obeylines{\catcode`\^^M\active \let^^M\par}% + \catcode`\^^M=\activecatcode% + \gdef\obeylines{\catcode`\^^M\activecatcode \let^^M\par}% \global\let^^M\par% \egroup \bgroup - \gdef\obeyspaces{\catcode`\ \active}% + \gdef\obeyspaces{\catcode`\ \activecatcode}% \obeyspaces\global\let =\space% \egroup |