<s>
JavaScript	B-Language
Interpreter	O
SHell	O
(	O
Jsish	B-Language
or	O
Jsi	O
for	O
short	O
)	O
is	O
a	O
scripting	B-Language
language	I-Language
designed	O
for	O
use	O
in	O
embedded	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
It	O
is	O
a	O
language	O
used	O
primarily	O
by	O
applications	O
written	O
in	O
C	B-Language
or	O
C++	B-Language
using	O
GNU	B-Operating_System
tool-chains	O
.	O
</s>
<s>
MinGW	B-Application
provides	O
Windows	B-Application
compatibility	O
.	O
</s>
<s>
Jsi	O
code	O
compiles	O
as	O
either	O
C99	B-Language
or	O
C++	B-Language
,	O
with	O
the	O
C++	B-Language
support	O
being	O
native	O
instead	O
of	O
"	O
extern	O
C	B-Language
"	O
.	O
</s>
<s>
Jsi	O
was	O
created	O
as	O
an	O
embedded	O
application	O
replacement	O
for	O
Tcl	B-Operating_System
and	O
JimTcl	O
.	O
</s>
<s>
Its	O
main	O
goal	O
is	O
to	O
provide	O
embedded	O
scripting	B-Language
using	O
a	O
mostly	O
standard	O
syntax	O
(	O
JavaScript	B-Language
)	O
,	O
as	O
opposed	O
to	O
the	O
idiosyncratic	O
ones	O
used	O
in	O
Tcl	B-Operating_System
,	O
Lua	B-Language
,	O
and	O
Python	B-Language
.	O
</s>
<s>
A	O
secondary	O
goal	O
is	O
data	O
compatibility	O
with	O
Web	B-Application
browsers	I-Application
using	O
JSON	B-General_Concept
.	O
</s>
<s>
Eventually	O
,	O
most	O
of	O
the	O
major	O
internal	O
features	O
of	O
Tcl	B-Operating_System
were	O
added	O
.	O
</s>
<s>
Jsi	O
comes	O
with	O
builtin	O
support	O
for	O
SQLite	B-Language
,	O
WebSocket	B-Protocol
,	O
and	O
self-hosting	O
ZIP	O
file-systems	O
.	O
</s>
<s>
The	O
jsish	B-Language
executable	O
is	O
unusual	O
in	O
that	O
it	O
integrates	O
a	O
self-mounting	O
file	O
system	O
containing	O
builtin	O
utilities	O
and	O
applications	O
.	O
</s>
<s>
These	O
include	O
Debugger	O
and	O
Web-Server	O
;	O
the	O
latter	O
is	O
used	O
to	O
provide	O
web	O
user-interfaces	O
for	O
Debugger	O
and	O
SQLite	B-Language
.	O
</s>
<s>
Each	O
of	O
these	O
applications	O
can	O
be	O
accessed	O
via	O
jsish	B-Language
command-line	O
arguments	O
.	O
</s>
<s>
To	O
achieve	O
this	O
,	O
a	O
minimal	O
standalone	O
jsish	B-Language
is	O
first	O
built	O
to	O
bootstrap	O
configuration	O
.	O
</s>
<s>
The	O
jsish	B-Language
binary	O
can	O
be	O
built	O
and	O
statically	O
linked	O
against	O
musl	B-Language
to	O
produce	O
a	O
standalone	O
with	O
no	O
external	O
dependencies	O
.	O
</s>
<s>
Jsi	O
implements	O
version	O
5.1	O
.	O
of	O
the	O
ECMAScript	B-Language
standard	O
,	O
with	O
the	O
following	O
deviations	O
:	O
</s>
