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%%
%% This is file `stack.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% stack.dtx (with options: `package')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% Any modified versions of this file must be renamed
%% with new filenames distinct from stack.sty.
%%
%% For distribution of the original source see the terms
%% for copying and modification in the file stack.dtx.
%%
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%% \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 \~}
\ProvidesPackage{stack}[2002/01/20 v1.0 Multi-stack system]
\newcount\tmp@stack
\newcommand\NewStack[2]{%
\expandafter\gdef\csname #1@count\endcsname{0}%
\expandafter\do@stack@macro\csname #1@count\endcsname{#1}{#2}%
}
\newcommand\do@stack@macro[3]{%
\expandafter\newcommand\expandafter*%
\csname stack@#2\endcsname{%
\expandafter\ifx\csname #2@\romannumeral#1\endcsname\relax
#3%
\else
\csname #2@\romannumeral#1\endcsname
\fi
}%
}
\newcommand\Stack[1]{%
\ifx\csname #1@count\endcsname\relax
\PackageError{stack}{Undefined stack #1}{You should first create the
stack with \NewStack}%
\else
\csname stack@#1\endcsname
\fi
}
\newcommand\Push[2]{%
\ifx\csname #1@count\endcsname\relax
\PackageError{stack}{Undefined stack #1}{You should first create the
stack with \NewStack}%
\else
\edef\stack@newtop{#2}%
\tmp@stack\csname #1@count\endcsname\relax
\global\advance\tmp@stack by 1\relax
\expandafter\xdef\csname #1@count\endcsname{\the\tmp@stack}%
\expandafter\xdef\csname #1@\romannumeral\tmp@stack\endcsname
{\stack@newtop}%
\fi
}
\newcommand\Pop[1]{%
\ifx\csname #1@count\endcsname\relax
\PackageError{stack}{Undefined stack #1}{You should first create the
stack with \NewStack}%
\else
\tmp@stack\csname #1@count\endcsname\relax
\ifnum\tmp@stack>0\relax
\advance\tmp@stack by -1\relax
\expandafter\xdef\csname #1@count\endcsname{\the\tmp@stack}%
\fi
\fi
}
\newcommand\ShowTop[1]{%
{\edef\top{\Stack{#1}}%
\typeout{The top of #1: \top}}}
\endinput
%%
%% End of file `stack.sty'.
|
