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authorKarl Berry <karl@freefriends.org>2010-05-28 15:54:16 +0000
committerKarl Berry <karl@freefriends.org>2010-05-28 15:54:16 +0000
commit7db7ee076f98cc2b3dca7228ae0e38ba4e88715a (patch)
treec15a7028a935446f0d5dcce2b5008a6f24e2242f /Master/texmf-dist/source
parentae29f8fd830ee6798b80ee088fdd0c92b1a215f4 (diff)
luatexbase update (27may10)
git-svn-id: svn://tug.org/texlive/trunk@18560 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/source')
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/Makefile7
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-attr.dtx93
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-cctb.dtx4
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-compat.dtx4
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-loader.dtx4
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-mcb.dtx4
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-modutils.dtx9
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase-regs.dtx4
-rw-r--r--Master/texmf-dist/source/luatex/luatexbase/luatexbase.dtx260
9 files changed, 350 insertions, 39 deletions
diff --git a/Master/texmf-dist/source/luatex/luatexbase/Makefile b/Master/texmf-dist/source/luatex/luatexbase/Makefile
index 4f018590786..8c82909d79f 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/Makefile
+++ b/Master/texmf-dist/source/luatex/luatexbase/Makefile
@@ -21,8 +21,10 @@ UNPACKED_MODUTILS = luatexbase-modutils.sty modutils.lua test-modutils.lua \
test-modutils-plain.tex test-modutils-latex.tex
UNPACKED_COMPAT = luatexbase-compat.sty \
test-compat-plain.tex test-compat-latex.tex
+UNPACKED_CORE = luatexbase.sty
UNPACKED = $(UNPACKED_MCB) $(UNPACKED_REGS) $(UNPACKED_ATTR) $(UNPACKED_CCTB) \
- $(UNPACKED_LOADER) $(UNPACKED_MODUTILS) $(UNPACKED_COMPAT)
+ $(UNPACKED_LOADER) $(UNPACKED_MODUTILS) $(UNPACKED_COMPAT) \
+ $(UNPACKED_CORE)
COMPILED = $(DOC)
GENERATED = $(COMPILED) $(UNPACKED)
SOURCE = $(DTX) $(DTXSTY) README TODO Changes Makefile
@@ -101,6 +103,9 @@ $(UNPACKED_MODUTILS): luatexbase-modutils.dtx
$(UNPACKED_COMPAT): luatexbase-compat.dtx
$(DO_TEX)
+$(UNPACKED_CORE): luatexbase.dtx
+ $(DO_TEX)
+
check-regs: $(UNPACKED_REGS)
luatex --interaction=batchmode test-regs-plain.tex >/dev/null
lualatex --interaction=batchmode test-regs-latex.tex >/dev/null
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-attr.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-attr.dtx
index cf310d06570..5847daec422 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-attr.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-attr.dtx
@@ -114,7 +114,7 @@ See source file '\inFileName' for details.
% Right brace \} Tilde \~}
%
% \title{The \pk{luatexbase-attr} package}
-% \date{v0.2 2010-05-12}
+% \date{v0.2a 2010-05-27}
% \author{%
% Manuel P\'egouri\'e-Gonnard \\ \email{mpg@elzevir.fr} \and
% \'Elie Roux \\ \email{elie.roux@telecom-bretagne.eu}}
@@ -124,17 +124,20 @@ See source file '\inFileName' for details.
% \begin{abstract}
% In addition to the registers existing in \tex and \etex, \luatex introduces
% a new concept: attributes. This package takes care of attribute allocation
-% just like Plain TeX and LaTeX do for other registers.
+% just like Plain TeX and LaTeX do for other registers, and also provides a
+% Lua interface.
% \end{abstract}
%
% \tableofcontents
%
% \section{Documentation}
%
+% \subsection{\tex interface}
+%
% The main macro defined here is |\newluatexattribute|. It behaves in the same
% way as |\newcount|. There are also two helper macros: |\setluatexattibute|
% sets an attribute's value (locally, but you can use |\global| in front of
-% it). |\unsetluatexattribute| unsets an atribute by giving it a special
+% it). |\unsetluatexattribute| unsets an attribute by giving it a special
% value, depending on \luatex's version; you should always use this macro
% in order to be sure the correct special value for your version of \luatex is
% used.
@@ -143,6 +146,8 @@ See source file '\inFileName' for details.
% allocate an attribute the way you can locally allocate a counter using
% \file{etex.sty}'s |\loccount|, so no corresponding macro is defined.
%
+% \subsection{Lua interface}
+%
% The various Lua functions for manipulating attributes use a number to
% designate the attribute. Hence, package writers need a way to know the
% number of the attribute associated to |\fooattr| assuming it was defined
@@ -159,6 +164,16 @@ See source file '\inFileName' for details.
% |luatexbase.attributes.foobar| (mind the absence of backslash here) at any
% time.
%
+% Also, two Lua functions are provided that are analogous to the above \tex
+% macros (actually, the macros are wrappers around the functions):
+% |luatexbase.new_attributes|\parg{name} allocates a new attribute, without
+% defining a corresponding \tex control sequence (only an entry in
+% |luatexbase.attributes| is created. It usually returns the number of the
+% allocated attribute. If room is missing, it raises an error, unless the
+% second argument (optional) is not false, in which case it returns -1.
+%
+% |luatexbase.unset_attribute|\parg{name} unsets an existing attribute.
+%
% \section{Implementation}
%
% \subsection{\tex package}
@@ -223,7 +238,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-attr}[2010/05/12 v0.2 Attributes allocation for LuaTeX]
+\x{luatexbase-attr}[2010/05/27 v0.2a Attributes allocation for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
@@ -288,36 +303,32 @@ See source file '\inFileName' for details.
%
% \subsection{User macros}
%
-% The allocaton macro.
+% The allocaton macro is merely a wrapper around the Lua function, but
+% handles error and logging in \tex, for consistency with other allocation
+% macros.
%
% \begin{macrocode}
-\newcount\lltxb@attribute@alloc
-\lltxb@attribute@alloc\m@ne
\def\newluatexattribute#1{%
- \ifnum\lltxb@attribute@alloc<65535\relax
- \global\advance\lltxb@attribute@alloc\@ne
- \allocationnumber\lltxb@attribute@alloc
+ \begingroup\escapechar\m@ne \expandafter\expandafter\expandafter
+ \endgroup \expandafter\expandafter\expandafter
+ \allocationnumber \luatexbase@directlua{tex.write(
+ luatexbase.new_attribute("\luatexluaescapestring{\string#1}", true))}%
+ \ifnum\allocationnumber>\m@ne
\global\luatexattributedef#1=\allocationnumber
- \unsetluatexattribute#1%
- \begingroup\escapechar\m@ne
- \luatexbase@directlua{luatexbase.attributedef_from_tex(
- '\luatexluaescapestring{\string#1}', '\number\allocationnumber')}%
- \endgroup
\wlog{\string#1=\string\luatexattribute\the\allocationnumber}%
\else
\errmessage{No room for a new \string\attribute}%
\fi}
% \end{macrocode}
%
-% Helper macro |\unsetluatexattribute|: depends on \luatex's version.
+% Helper macro |\unsetluatexattribute|: wrapper around the Lua function.
%
% \begin{macrocode}
\def\unsetluatexattribute#1{%
- \ifnum\luatexversion<37\relax
- #1=-1\relax
- \else
- #1=-"7FFFFFFF\relax
- \fi}
+ \begingroup\escapechar\m@ne
+ \luatexbase@directlua{%
+ luatexbase.unset_attribute("\luatexluaescapestring{\string#1}")}%
+ \endgroup}
% \end{macrocode}
%
% And now the trivial helper macro.
@@ -341,12 +352,44 @@ See source file '\inFileName' for details.
module('luatexbase', package.seeall)
% \end{macrocode}
%
-% Record the allocation number in a Lua table.
+% This table holds the values of the allocated attributes, indexed by name.
%
% \begin{macrocode}
attributes = {}
-function attributedef_from_tex(name, number)
- attributes[name] = tonumber(number)
+% \end{macrocode}
+%
+% The allocaton function. Unlike other registers, allocate starting from 1.
+% Some code (eg, font handling coming from Con\tex{}t) behaves strangely
+% with \verb+\attribute0+ and since there is plenty of room here, it
+% doesn't seem bad to ``loose'' one item in order to avoid this problem.
+%
+% \begin{macrocode}
+local last_alloc = 0
+function new_attribute(name, silent)
+ if last_alloc >= 65535 then
+ if silent then
+ return -1
+ else
+ error("No room for a new \\attribute", 1)
+ end
+ end
+ last_alloc = last_alloc + 1
+ attributes[name] = last_alloc
+ unset_attribute(name)
+ if not silent then
+ texio.write_nl('log', string.format(
+ 'luatexbase.attributes[%q] = %d', name, last_alloc))
+ end
+ return last_alloc
+end
+% \end{macrocode}
+%
+% Unset an attribute the correct way depending on \luatex's version.
+%
+% \begin{macrocode}
+local unset_value = (luatexbase.luatexversion < 37) and -1 or -2147483647
+function unset_attribute(name)
+ tex.setattribute(attributes[name], unset_value)
end
% \end{macrocode}
%
@@ -370,6 +413,8 @@ end
\unsetluatexattribute\testattr
\catcode64 11
\luatexbase@directlua{assert(luatexbase.attributes.testattr)}
+\luatexbase@directlua{luatexbase.new_attribute('luatestattr')}
+\luatexbase@directlua{assert(luatexbase.attributes.luatestattr)}
\begingroup
\escapechar64
\newluatexattribute\anotherattr
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-cctb.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-cctb.dtx
index 141f1203bef..4b7b8c64231 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-cctb.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-cctb.dtx
@@ -114,7 +114,7 @@ See source file '\inFileName' for details.
% Right brace \} Tilde \~}
%
% \title{The \pk{luatexbase-cctb} package}
-% \date{v0.2 2010-05-12}
+% \date{v0.2a 2010-05-27}
% \author{%
% Manuel P\'egouri\'e-Gonnard \\ \texttt{mpg@elzevir.fr} \and
% \'Elie Roux \\ \texttt{elie.roux@telecom-bretagne.eu}}
@@ -246,7 +246,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-cctb}[2010/05/11 v0.2 Catcodetable allocation for LuaTeX]
+\x{luatexbase-cctb}[2010/05/27 v0.2a Catcodetable allocation for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-compat.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-compat.dtx
index dbff084195c..f4a903b74be 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-compat.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-compat.dtx
@@ -103,7 +103,7 @@ See source file '\inFileName' for details.
% Right brace \} Tilde \~}
%
% \title{The \pk{luatexbase-compat} package}
-% \date{v0.2 2010/05/12}
+% \date{v0.2a 2010/05/27}
% \author{%
% Manuel P\'egouri\'e-Gonnard \\ \email{mpg@elzevir.fr} \and
% \'Elie Roux \\ \email{elie.roux@telecom-bretagne.eu}}
@@ -258,7 +258,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-compat}[2010/05/12 v0.2 Compatibility tools for LuaTeX]
+\x{luatexbase-compat}[2010/05/27 v0.2a Compatibility tools for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-loader.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-loader.dtx
index 8fe81acb6d5..bd900c26969 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-loader.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-loader.dtx
@@ -117,7 +117,7 @@ See source file '\inFileName' for details.
% Right brace \} Tilde \~}
%
% \title{The \pk{luatexbase-loader} package}
-% \date{v0.2 2010-05-12}
+% \date{v0.2a 2010-05-27}
% \author{%
% Manuel P\'egouri\'e-Gonnard \\ \texttt{mpg@elzevir.fr} \and
% \'Elie Roux \\ \texttt{elie.roux@telecom-bretagne.eu}}
@@ -230,7 +230,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-loader}[2010/05/12 v0.2 Lua module loader for LuaTeX]
+\x{luatexbase-loader}[2010/05/27 v0.2a Lua module loader for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-mcb.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-mcb.dtx
index f30753c737f..86a4788d2be 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-mcb.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-mcb.dtx
@@ -114,7 +114,7 @@ See source file '\inFileName' for details.
% Right brace \} Tilde \~}
%
% \title{The \textsf{luatexbase-mcb} package}
-% \date{2010/05/12 v0.2}
+% \date{2010/05/27 v0.2a}
% \author{%
% Manuel P\'egouri\'e-Gonnard \\ \email{mpg@elzevir.fr} \and
% \'Elie Roux \\ \email{elie.roux@telecom-bretagne.eu}}
@@ -241,7 +241,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-mcb}[2010/05/12 v0.2 Callback management for LuaTeX]
+\x{luatexbase-mcb}[2010/05/27 v0.2a Callback management for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-modutils.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-modutils.dtx
index 9c2936f4ce8..dd5b118f9aa 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-modutils.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-modutils.dtx
@@ -263,7 +263,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-modutils}[2010/05/12 v0.2 Module utilities for LuaTeX]
+\x{luatexbase-modutils}[2010/05/27 v0.2a Module utilities for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
@@ -315,7 +315,7 @@ See source file '\inFileName' for details.
%
% \begin{macrocode}
\def\luatexUseModule#1{\luatexbase@directlua{%
- luatexbase.use_module("\luatexluescapestring{#1}")}}
+ luatexbase.use_module("\luatexluaescapestring{#1}")}}
% \end{macrocode}
%
% Interface to |require_module()| with syntax depending on the format.
@@ -486,7 +486,7 @@ function provides_module(mod)
end
requiredversion = requiredversions[mod.name]
if requiredversion then
- if requiredversion.type == date
+ if requiredversion.type == date
and requiredversion.version > datetonumber(mod.date) then
err("loading module %s in version %s, "
.."but version %s was required",
@@ -498,7 +498,7 @@ function provides_module(mod)
mod.name, mod.version, requiredversion.orig)
end
end
- modules[mod.name] = module
+ modules[mod.name] = mod
texio.write_nl('log', string.format("Lua module: %s %s v%.02f %s\n",
mod.name, mod.date, mod.version, mod.description))
end
@@ -531,6 +531,7 @@ luatexbase.provides_module {
%<testplain>\input luatexbase-modutils.sty
%<testlatex>\RequirePackage{luatexbase-modutils}
%<*testplain,testlatex>
+\luatexUseModule{test-modutils}
\luatexRequireModule
%<testlatex>[1970/01/01]
{test-modutils}
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-regs.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-regs.dtx
index 313af007c97..08d1060ab23 100644
--- a/Master/texmf-dist/source/luatex/luatexbase/luatexbase-regs.dtx
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase-regs.dtx
@@ -104,7 +104,7 @@ See source file '\inFileName' for details.
% Right brace \} Tilde \~}
%
% \title{The \pk{luatexbase-regs} package}
-% \date{v0.2 2010/05/12}
+% \date{v0.2a 2010/05/27}
% \author{%
% Manuel P\'egouri\'e-Gonnard \\ \email{mpg@elzevir.fr} \and
% \'Elie Roux \\ \email{elie.roux@telecom-bretagne.eu}}
@@ -211,7 +211,7 @@ See source file '\inFileName' for details.
\let\x\ProvidesPackage
\fi
\expandafter\endgroup
-\x{luatexbase-regs}[2010/05/12 v0.2 Registers allocation for LuaTeX]
+\x{luatexbase-regs}[2010/05/27 v0.2a Registers allocation for LuaTeX]
% \end{macrocode}
%
% Make sure \luatex is used.
diff --git a/Master/texmf-dist/source/luatex/luatexbase/luatexbase.dtx b/Master/texmf-dist/source/luatex/luatexbase/luatexbase.dtx
new file mode 100644
index 00000000000..f2859128497
--- /dev/null
+++ b/Master/texmf-dist/source/luatex/luatexbase/luatexbase.dtx
@@ -0,0 +1,260 @@
+% \iffalse meta-comment
+%
+% Written in 2009, 2010 by Manuel Pégourié-Gonnard and Élie Roux.
+% <mpg@elzevir.fr>
+% <elie.roux@telecom-bretagne.eu>
+%
+% This work is under the CC0 license.
+%
+% This work consists of the main source file luatexbase.dtx
+% and the derived files
+% luatexbase.sty
+%
+% Unpacking:
+% tex luatexbase.dtx
+% Documentation:
+% pdflatex luatexbase.dtx
+%
+%<*ignore>
+\begingroup
+ \def\x{LaTeX2e}%
+\expandafter\endgroup
+\ifcase 0\ifx\install y1\fi\expandafter
+ \ifx\csname processbatchFile\endcsname\relax\else1\fi
+ \ifx\fmtname\x\else 1\fi\relax
+\else\csname fi\endcsname
+%</ignore>
+%<*install>
+\input docstrip.tex
+
+\keepsilent
+\askforoverwritefalse
+
+\let\MetaPrefix\relax
+
+\preamble
+
+Written in 2009, 2010 by Manuel Pegourie-Gonnard and Elie Roux.
+
+This work is under the CC0 license.
+See source file '\inFileName' for details.
+
+\endpreamble
+
+\generate{%
+ \usedir{tex/luatex/luatexbase}%
+ \file{luatexbase.sty}{\from{luatexbase.dtx}{texpackage}}%
+}
+
+\obeyspaces
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* files into a directory searched by TeX:}
+\Msg{*}
+\Msg{* luatexbase.sty}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+%</install>
+%<*ignore>
+\fi
+%</ignore>
+%<*driver>
+\documentclass{ltxdoc}
+\input{lltxb-dtxstyle}
+\newcommand\subpk[1]{%
+ \item[\href{luatexbase-#1.pdf}{luatexbase-#1}\normalfont:]}
+\begin{document}
+ \DocInput{luatexbase.dtx}%
+\end{document}
+%</driver>
+% \fi
+%
+% \CheckSum{0}
+%
+% \CharacterTable
+% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+% Digits \0\1\2\3\4\5\6\7\8\9
+% Exclamation \! Double quote \" Hash (number) \#
+% Dollar \$ Percent \% Ampersand \&
+% Acute accent \' Left paren \( Right paren \)
+% Asterisk \* Plus \+ Comma \,
+% Minus \- Point \. Solidus \/
+% Colon \: Semicolon \; Less than \<
+% Equals \= Greater than \> Question mark \?
+% Commercial at \@ Left bracket \[ Backslash \\
+% Right bracket \] Circumflex \^ Underscore \_
+% Grave accent \` Left brace \{ Vertical bar \|
+% Right brace \} Tilde \~}
+%
+% \title{The \pk{luatexbase} package}
+% \date{v0.2a 2010-05-27}
+% \author{%
+% Manuel P\'egouri\'e-Gonnard \\ \email{mpg@elzevir.fr} \and
+% \'Elie Roux \\ \email{elie.roux@telecom-bretagne.eu}}
+%
+% \maketitle
+%
+% \begin{abstract}
+% This convenience package loads all of the (stable) packages in the
+% \pk{luatexbase} bundle.
+% \end{abstract}
+%
+% \tableofcontents
+%
+% \section{Documentation}
+%
+% The \pk{luatexbase} package loads the following packages:
+% \begin{description}
+% \subpk{compat} compatibility helpers for \verb+\directlua+, primitive
+% names and version information from Lua.
+% \subpk{loader} extension of \luatex's Lua module loader (since version
+% 0.60.0, this is more of a compatibility layer for older versions than a
+% real extension).
+% \subpk{regs} extented allocation scheme for registers and the like,
+% \emph{\`a la} \pk{etex}.
+% \subpk{cctb} catcode table allocation.
+% \subpk{attr} attribute allocation.
+% \end{description}
+%
+% These packages are almost stable: it is unlikely that backward-incompatible
+% changes will be made in the future (other than necessary for merging with
+% \pk{luatex.sty}, which strongly overlaps with the above). If they happen,
+% such changes will be announced on \email{lualatex-dev@tug.org} before they
+% are pushed to the master branch and then CTAN.
+%
+% Other packages included in the bundle, but currently not loaded by the
+% present package, are:
+% \begin{description}
+% \subpk{modutils} Lua module declaration, including version checks.
+% \subpk{mcb} callbacks extensions allowing to register many functions in a
+% single callback, and declare new callbacks for packages.
+% \end{description}
+%
+% All packages in this bundle are supposed to work with \luatex 0.25.4 to
+% 0.60.x, with formats based on \plaintex or \latex, as included in \texlive
+% 2008, 2009, and 2010.
+%
+% \section{Implementation}
+%
+% \begin{macrocode}
+%<*texpackage>
+% \end{macrocode}
+%
+% \subsection{Preliminaries}
+%
+% Reload protection, especially for \plaintex.
+%
+% \begin{macrocode}
+ \csname lltxb@core@loaded\endcsname
+\expandafter\let\csname lltxb@core@loaded\endcsname\endinput
+% \end{macrocode}
+%
+% Catcode defenses.
+%
+% \begin{macrocode}
+\begingroup
+ \catcode123 1 % {
+ \catcode125 2 % }
+ \catcode 35 6 % #
+ \toks0{}%
+ \def\x{}%
+ \def\y#1 #2 {%
+ \toks0\expandafter{\the\toks0 \catcode#1 \the\catcode#1}%
+ \edef\x{\x \catcode#1 #2}}%
+ \y 123 1 % {
+ \y 125 2 % }
+ \y 35 6 % #
+ \y 10 12 % ^^J
+ \y 34 12 % "
+ \y 36 3 % $ $
+ \y 39 12 % '
+ \y 40 12 % (
+ \y 41 12 % )
+ \y 42 12 % *
+ \y 43 12 % +
+ \y 44 12 % ,
+ \y 45 12 % -
+ \y 46 12 % .
+ \y 47 12 % /
+ \y 60 12 % <
+ \y 61 12 % =
+ \y 64 11 % @ (letter)
+ \y 62 12 % >
+ \y 95 12 % _ (other)
+ \y 96 12 % `
+ \edef\y#1{\endgroup\edef#1{\the\toks0\relax}\x}%
+\expandafter\y\csname lltxb@core@AtEnd\endcsname
+% \end{macrocode}
+%
+% Package declaration.
+%
+% \begin{macrocode}
+\begingroup
+ \expandafter\ifx\csname ProvidesPackage\endcsname\relax
+ \def\x#1[#2]{\immediate\write16{Package: #1 #2}}
+ \else
+ \let\x\ProvidesPackage
+ \fi
+\expandafter\endgroup
+\x{luatexbase}[2010/05/27 v0.2a Module utilities for LuaTeX]
+% \end{macrocode}
+%
+% Make sure \luatex is used.
+%
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname RequirePackage\endcsname\relax
+ \input ifluatex.sty
+\else
+ \RequirePackage{ifluatex}
+\fi
+\ifluatex\else
+ \begingroup
+ \expandafter\ifx\csname PackageWarningNoLine\endcsname\relax
+ \def\x#1#2{\begingroup\newlinechar10
+ \immediate\write16{Package #1 warning: #2}\endgroup}
+ \else
+ \let\x\PackageWarningNoLine
+ \fi
+ \expandafter\endgroup
+ \x{luatexbase}{LuaTeX is required for this package. Aborting.}
+ \lltxb@core@AtEnd
+ \expandafter\endinput
+\fi
+% \end{macrocode}
+%
+% \subsection{Packages loading}
+%
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname RequirePackage\endcsname\relax
+ \input luatexbase-compat.sty
+ \input luatexbase-loader.sty
+ \input luatexbase-regs.sty
+ \input luatexbase-attr.sty
+ \input luatexbase-cctb.sty
+\else
+ \RequirePackage{luatexbase-compat}
+ \RequirePackage{luatexbase-loader}
+ \RequirePackage{luatexbase-regs}
+ \RequirePackage{luatexbase-attr}
+ \RequirePackage{luatexbase-cctb}
+\fi
+% \end{macrocode}
+%
+% This is the end, my friend\dots the end.
+%
+% \begin{macrocode}
+\lltxb@core@AtEnd
+%</texpackage>
+% \end{macrocode}
+%
+%
+% \Finale
+\endinput