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%D \module
%D [ file=libs-imp-mujs,
%D version=2020.02.08,
%D title=\CONTEXT\ Extra Modules,
%D subtitle=MuJS interpreter,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D Just an experiment:
%D
%D \starttyping
%D http://mujs.com
%D \stoptyping
\ifdefined\ecmacode
\expandafter \endinput
\fi
\registerctxluafile{libs-imp-mujs}{}
\unprotect
% todo: environment
\let\stopecmacode\relax
\protected\def\startecmacode % \stopecmacode
{\begingroup
\obeylualines
\obeyluatokens
\luat_start_ecma_code_indeed}
\def\luat_start_ecma_code_indeed#1\stopecmacode
{\normalexpanded{\endgroup\noexpand\ecmacode{#1}}}
\protect
\continueifinputfile{libs-imp-mujs.mkxl}
\usemodule[article-basic,abbreviations-logos]
\starttext
\startbuffer
\startluacode
local mujs = require("libs-imp-mujs")
mujs.execute [[
var MyMax = 1000;
]]
mujs.execute [[
console("Example One!");
texsprint("\\startpacked");
for (var i = 1; i <= MyMax; i = i + 1) {
texprint(
"This is a buildbot compilation challenge for Mojca: "
.concat(Math.sqrt(i/MyMax))
.concat("!\\par")
);
}
texsprint("\\stoppacked");
]]
-- mujs.execute [[
-- something very bad: an error
-- ]]
\stopluacode
\startecmacode
console("Example Two!");
for (var i = 1; i <= MyMax; i = i + 1) {
texsprint(
"And an opportunity for Alan to attract highschool students to \\TeX: "
.concat(i)
.concat("! ")
);
}
\stopecmacode
\ecmacode {
console("Example Three!");
texprint("And otherwise a way to prototype \\JAVASCRIPT\\ code in \\PDF.")
}
\startecmacode
var f = File("libs-imp-mujs.mkxl","r");
console(f);
// var l = f.read(400);
var l = f.read("*a");
console(l);
f.close();
\stopecmacode
\startecmacode
console("Example Four!");
texsprint("\\startMPcode "
.concat(' fill fullcircle scaled 6cm withcolor "darkred";')
.concat(' fill fullcircle scaled 4cm withcolor "darkgreen";')
.concat(' fill fullcircle scaled 2cm withcolor "darkblue";')
.concat("\\stopMPcode ")
);
\stopecmacode
\startluacode
context.startMPcode()
context('fill fullcircle scaled 6cm withcolor "middlecyan";')
context('fill fullcircle scaled 4cm withcolor "middlemagenta";')
context('fill fullcircle scaled 2cm withcolor "middleyellow";')
context.stopMPcode()
\stopluacode
\stopbuffer
\typebuffer \page \getbuffer
\stoptext
|
