Leave all behind

inspiration inspiration 2 inspiration 3 inspiration 4 inspiration 5 name source, not an inspiration

Leave all behind is an esolang invented by user:phira, inspired by (see above).

Program flow

The program works on a queue. ONLY ONE QUEUE. for both program and data. not even a register (thus "leave all behind"). every tick an instruction is popped, the counter PC advance by 1 (but the PC has no uses), and the instruction is run. when running a quoted form of a command, the unquoted form is pushed. running any other command discard itsself.

command	meaning
[	quoted form of (
(	pops commands until a # and push them in sequence
;	quoted form of :
:	pops commands until a # and push them in sequence, twice
'	quoted form of "
"	quote the following command and push it
]	quoted form of )
)	discard characters until #
,	quoted form of `
`	pops 2 commands, runs ( if equal, # otherwise
*	quoted form of #
#	technically a noop, but is a marker for (.
%	quoted form of % (itself)
~	quoted form of @
@	halt
$	quoted form of > (optional)
>	output (optional)
!	quoted form of < (optional)
<	input (optional)

examples

infinite loop

: ANY NOP CAN GO HERE :*#*

Truth machine

<(1<0@#*"#[(:<1:*#*"#'*]`

or with brackets balanced:

<(1<0@#*"#[(:<1:*#*"#)#'*])#`

or with brackets and quotes balanced:

<(1<0@#)[#*"#[(:<1:*#)]#*"#'*]`