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lex.bra
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lex.bra
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{lex.bra
𝕌𝕋𝔽-𝟠
analyse bracmat code for lexicality
Usage:
lex$<symbol>
}
"sOme wEiRdN→ame"=
new
=
. ( lex
= Y
notreffunc
builtins
predefs
CONTXT
pickVars
testDeclaration
A
AA
N
M
Z
ZZ
definedfuncs
globalfuncs
globalvars
jj
notdeclfuncs
notdeclvars
referencedfuncs
undefinedfuncs
unrefs
unusedLocals
use
. ^
+ alc
+ arg
+ asc
+ chr
+ chu
+ clk
+ d2x
+ dbg
+ den
+ div
+ fil
+ flg
+ glf
+ fre
+ get
+ low
+ lst
+ map
+ mem
+ mod
+ mop
+ new
+ pee
+ pok
+ put
+ ren
+ rmv
+ rev
+ sim
+ str
+ swi
+ sys
+ tbl
+ upp
+ utf
+ vap
+ whl
+ x2d
+ "?"
: ?builtins
& cat
+ cos
+ fct
+ flt
+ jsn
+ nestML
+ out
+ sin
+ tay
+ toML
: ?predefs
& 0
: ?notreffunc
: ?unusedLocals
: ?notdeclfuncs
: ?notdeclvars
: ?referencedfuncs
: ?undefinedfuncs
: ?globalvars
: ?globalfuncs
& :?definedfuncs
& ( pickVars
= a b
. !arg:?a_?b
& pickVars$!a+pickVars$!b
| !arg:~
| 0
)
& (CONTXT=.!arg:!sjt ?&?)
& ( testDeclaration
= name
vars
unrefs
A
a
b
Z
context
contxt
. !arg:(?context.?name.?vars.?unrefs)
& ( !name:
| '$vars
: '(? (?.?+#*$name+?) ?)
& ( '$unrefs
:
' ( ?A
( CONTXT$($context):?contxt
. ?a+#*$name+?b
)
?Z
)
& "Remove function or variable from list of unreferenced functions or variables."
& !A (!contxt.!a+!b) !Z
: ?unrefs
|
)
)
& !unrefs
)
& ( variabl
= name context vars unrefs
. !arg:(?name.?context.?vars.?unrefs)
& "******** VARIABLE (?var or !var) ********"
& ( !name:(arg|sjt)
| testDeclaration$(!context.!name.!vars.!unrefs)
: ?unrefs
| !globalvars:?+#*!name+?
| ( !definedfuncs
: ?aaF
(CONTXT$!context.?Af+#*!name+?Zf)
?zzF
& !aaF (!context.!Af+!Zf) !zzF
: ?definedfuncs
|
)
& ( !notdeclvars:?A+(!context.?M)+?Z
& !A+(!context.!name+!M)+!Z
| !notdeclvars+(!context.!name)
)
: ?notdeclvars
)
& !unrefs
)
& ( Y
= c vars unrefs V
, name A Z unr context
, M AA ZZ C N use lhs rhs
, Af Zf aaF zzF
. !arg:(?context.?vars.?unrefs.?arg)
& ( !arg:(=?lhs_?rhs)
& ( !arg
: (
= $(?$?)|$(?'?)
)
& "******** FUNCTION CALL (function$parameters or function'parameters) ********"
& ( !lhs:
& ( !rhs:@:~&
|
)
| !builtins+!predefs:?+!lhs+?
| !lhs:(=?.?)
| !('(flg'$lhs))
: (=$!.?)
| ( testDeclaration
$ (!context.!lhs.!vars.!unrefs)
: ?unrefs
| !globalfuncs:?+#*!lhs+?
| ( !notdeclfuncs
: ?A+(!context.?M)+?Z
& !A+(!context.!lhs+!M)+!Z
| !notdeclfuncs+(!context.!lhs)
)
: ?notdeclfuncs
)
& ( !definedfuncs
: ?A
( CONTXT$!context:?C
. ?AA+#?N*(!lhs.?use)+?ZZ
)
?Z
& !A
( !C
. !AA
+ !N*(!lhs.!use+Referenced)
+ !ZZ
)
!Z
: ?definedfuncs
| ( !undefinedfuncs
: ?A+(!context.?M)+?Z
& !A+(!context.!lhs+!M)+!Z
| !undefinedfuncs+(!context.!lhs)
)
: ?undefinedfuncs
)
)
& Y
$ (!context.!vars.!unrefs.'$rhs)
: ?unrefs
| !arg:(=$(?=?))
& (!lhs:~|^)
: ?lhs
& ( '$rhs:(=?V.?c)
& "******** FUNCTION DEFINITION (function=local vars.definition) ********"
& pickVars$!V:?V
& ( !lhs:^
| ( testDeclaration
$ (!context.!lhs.!vars.!unrefs)
: ?unrefs
| !context:
& !globalfuncs+!lhs:?globalfuncs
| ( !notdeclfuncs
: ?A+(!context.?M)+?Z
& !A+(!context.!lhs+!M)+!Z
| !notdeclfuncs+(!context.!lhs)
)
: ?notdeclfuncs
)
& ( !definedfuncs
: ?A (!context.?M) ?Z
& ( !M
: ?+#*(!lhs.?)+?
& !definedfuncs
| !A
(!context.(!lhs.0)+!M)
!Z
)
| (!context.!lhs.0)
!definedfuncs
)
: ?definedfuncs
)
& Y
$ ( !context !lhs
. (!context !lhs.!V)
!vars
. (!context !lhs.!V)
!unrefs
. '$c
)
: ?unrefs
& ( !unrefs
: ?
( !context !lhs
. %+?:?unr
)
?
& (!context !lhs.!unr)
+ !unusedLocals
: ?unusedLocals
|
)
| "******** VARIABLE DEFINITION (variable=value) ********"
& ( !lhs:^
| testDeclaration
$ (!context.!lhs.!vars.!unrefs)
: ?unrefs
| !context:
& !globalvars+!lhs:?globalvars
| ( !notdeclvars
: ?A+(!context.?M)+?Z
& !A+(!context.!lhs+!M)+!Z
| !notdeclvars+(!context.!lhs)
)
: ?notdeclvars
)
& Y
$ (!context.!vars.!unrefs.'$rhs)
: ?unrefs
)
| Y
$ (!context.!vars.!unrefs.'$lhs)
: ?unrefs
& Y
$ (!context.!vars.!unrefs.'$rhs)
: ?unrefs
)
| !arg
: (=$!|$?)
& flg$!arg
: (=?.%?name (|))
& variabl$(!name.!context.vars.!unrefs)
: ?unrefs
|
)
& !unrefs
)
& ( '$lex:(=? !arg ?.?)
& out$(!arg is local var in lex)
& Y
$ (...'($arg=$(-2$!arg)))
: ?unrefs
& -1$!arg
| Y$(...'($arg=$!arg))
: ?unrefs
)
& put
$ ( "==========================================================
Lexical analysis. See program code further down this file.
==========================================================
----------------------
{ Undeclared functions }
----------------------
"
, "lex.txt"
, NEW BIN
)
& lst$(notdeclfuncs,"lex.txt",APP BIN)
& put
$ ( "
----------------------
{ Undeclared variables }
----------------------
"
, "lex.txt"
, APP BIN
)
& lst$(notdeclvars,"lex.txt",APP BIN)
& !definedfuncs:?referencedfuncs
& 0:?notreffunc
& whl
' ( !referencedfuncs
: ?A (?M.?AA+#?N*(?jj.0)+?ZZ) ?Z
& !notreffunc+(!M !jj):?notreffunc
& !A (!M.!AA+!ZZ) !Z:?referencedfuncs
)
& put
$ ( "
------------------------
{ Unused local variables }
------------------------
"
, "lex.txt"
, APP BIN
)
& lst$(unusedLocals,"lex.txt",APP BIN)
& put
$ ( "
----------------
{ Not referenced }
----------------
"
, "lex.txt"
, APP BIN
)
& lst$(unrefs,"lex.txt",APP BIN)
& put
$ ( "
-------------------
{ Defined functions }
-------------------
"
, "lex.txt"
, APP BIN
)
& lst$(definedfuncs,"lex.txt",APP BIN)
& put
$ ( "
---------------------
{ Undefined functions }
---------------------
"
, "lex.txt"
, APP BIN
)
& lst$(undefinedfuncs,"lex.txt",APP BIN)
& put
$ ( "
------------------------
{ Unreferenced functions }
------------------------
"
, "lex.txt"
, APP BIN
)
& lst$(notreffunc,"lex.txt",APP BIN)
& put
$ ( "
----------------------
{ Referenced functions }
----------------------
"
, "lex.txt"
, APP BIN
)
& lst$(referencedfuncs,"lex.txt",APP BIN)
& put
$ ( "
------------------
{ Global variables }
------------------
"
, "lex.txt"
, APP BIN
)
& lst$(globalvars,"lex.txt",APP BIN)
& put
$ ( "
------------------
{ Global functions }
------------------
"
, "lex.txt"
, APP BIN
)
& lst$(globalfuncs,"lex.txt",APP BIN)
& put
$ ( "
============
Program code
============
"
, "lex.txt"
, APP BIN
)
& lst$(!arg,"lex.txt",APP BIN)
& "
===========
See lex.txt
==========="
);
rr=
get'"lex.bra"
& rmv$(str$(lex ".bak"))
& ren$("lex.bra".str$(lex ".bak"))
& put
$ ( "{lex.bra
𝕌𝕋𝔽-𝟠
analyse bracmat code for lexicality
Usage:
lex$<symbol>
}
"
, "lex.bra"
, NEW BIN
)
& lst'("sOme wEiRdN→ame","lex.bra",APP BIN)
& put'(\n,"lex.bra",APP BIN)
& lst'(rr,"lex.bra",APP BIN)
& put$("
new'\"sOme wEiRdN→ame\";
","lex.bra",APP BIN);
new'"sOme wEiRdN→ame";