(thue.tal) Added a Thue esolang interpreter

This commit is contained in:
Devine Lu Linvega 2022-07-23 12:59:47 -07:00
parent b94d0204c2
commit c6ed7170e7
4 changed files with 172 additions and 2 deletions

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@ -0,0 +1,15 @@
X::=~_
Y::=~*
Z::=~`
_.::=._X
_*::=*_Y
._|::=.Z-|
*_|::=Z
..-::=.-.
**-::=*-.
*.-::=*-*
.*-::=.-*
@.-::=@_.
@*-::=@_*
::=
@_*...............................|

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@ -0,0 +1,155 @@
( thue interpreter
usage: thue.rom demo.t )
|10 @Console &vector $2 &read $1 &pad $5 &write $1
|a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
|0000
@src $40
@ptr $2
@len $2
|0100 ( -> )
;on-console .Console/vector DEO2
BRK
@on-console ( -> )
;src STH2
( read )
.Console/read DEI
DUP #20 LTH OVR #7f GTH ORA ,&end JCN
STH2kr ;slen JSR2 #003f GTH2 ,&end JCN
STH2r ;sput JSR2 BRK
&end
POP
( parse )
STH2r .File/name DEO2
#0001 .File/length DEO2
;program .ptr STZ2
&s
;&buf .File/read DEO2
.File/success DEI2 #0000 EQU2 ,&eof JCN
[ LIT &buf $1 ] ;walk JSR2
,&s JMP
&eof
( assemble )
;program/assembly .ptr STZ2
;program
&w
( save ) DUP2 .ptr LDZ2 STA2
( incr ) .ptr LDZ2k INC2 INC2 ROT STZ2
( next ) &eos INC2 LDAk ,&eos JCN INC2
LDAk ,&w JCN
( save acc )
INC2 ;program/accumulator ;scpy JSR2
( run )
&eval ,step JSR ,&eval JCN
#010f DEO
BRK
@step ( -- done )
;program/assembly
&while
DUP2 ;run-rule JSR2 ,&found JCN
#0004 ADD2 LDA2k ORA ,&while JCN
POP2
#00
JMP2r
&found #01 JMP2r
@walk ( char -- )
.ptr LDZ2 STA
( check for left-side )
.ptr LDZ2 #0002 SUB2 ;&marker ;scmp JSR2 #01 NEQ ,&no-marker JCN
#00 .ptr LDZ2 #0002 SUB2 STA
.ptr LDZ2k #0002 SUB2 ROT STZ2
.len LDZ2k INC2 ROT STZ2
&no-marker
( check for right-side )
.ptr LDZ2 LDA #0a NEQ ,&no-lb JCN
#00 .ptr LDZ2 STA
&no-lb
.ptr LDZ2k INC2 ROT STZ2
JMP2r
&marker "::= $1
@run-rule ( rule* -- )
LDA2k ,&a STR2
INC2 INC2 LDA2 ,&b STR2
;program/accumulator
&w
[ LIT2 &a $2 ] OVR2 ;sseg JSR2 #01 NEQ ,&no-found JCN
,&b LDR2 LDA LIT '~ EQU ,&output JCN
( shift ) DUP2 [ ,&b LDR2 ;slen JSR2 ,&a LDR2 ;slen JSR2 SUB2 ] ;ssft JSR2
( write ) [ LIT2 &b $2 ] SWP2 OVR2 ;slen JSR2 ;mcpy JSR2
POP2 #01 JMP2r
&no-found
INC2 LDAk ,&w JCN
POP2
#00
JMP2r
&output
,&a LDR2 ;slen JSR2 #0000 SWP2 SUB2 ;ssft JSR2
POP2 ,&b LDR2 INC2
LDAk LIT '` NEQ ,&no-lb JCN
#0a18 DEO #01 JMP2r
&no-lb
,print-str JSR #01
JMP2r
@print-str ( str* -- )
&while
LDAk #18 DEO
INC2 LDAk ,&while JCN
POP2
JMP2r
@ssft ( str* len* -- )
STH2 DUP2k ;slen JSR2 ADD2 STH2r
DUP2 #8000 GTH2 ,&l JCN
ORAk ,&r JCN
POP2 POP2 POP2
JMP2r
&l #8000 SWP2 SUB2 #8000 ADD2 ,msfl JSR JMP2r
&r ,msfr JSR JMP2r
( stdlib )
@mcpy ( src* dst* len* -- ) SWP2 STH2 OVR2 ADD2 SWP2 &l LDAk STH2kr STA INC2r INC2 GTH2k ,&l JCN POP2 POP2 POP2r JMP2r
@msfl ( b* a* len* -- ) STH2 SWP2 EQU2k ,&e JCN &l DUP2k STH2kr ADD2 LDA ROT ROT STA INC2 GTH2k ,&l JCN POP2 POP2 &e POP2r JMP2r
@msfr ( b* a* len* -- ) STH2 EQU2k ,&e JCN &l DUP2 LDAk ROT ROT STH2kr ADD2 STA #0001 SUB2 LTH2k ,&l JCN POP2 POP2 &e POP2r JMP2r
@scap ( str* -- end* ) LDAk #00 NEQ JMP JMP2r &w INC2 LDAk ,&w JCN JMP2r
@sput ( chr str* -- ) ,scap JSR STA JMP2r
@slen ( str* -- len* ) DUP2 ,scap JSR SWP2 SUB2 JMP2r
@scpy ( src* dst* -- ) STH2 &w LDAk STH2kr STA INC2r INC2 LDAk ,&w JCN POP2 #00 STH2r STA JMP2r
@scmp ( a* b* -- f ) STH2 &l LDAk LDAkr STHr ANDk #00 EQU ,&e JCN NEQk ,&e JCN POP2 INC2 INC2r ,&l JMP &e NIP2 POP2r EQU JMP2r
@sseg ( a* b* -- f ) STH2 &l LDAk LDAkr STHr NEQ ,&e JCN INC2k LDA #00 EQU ,&e JCN INC2 INC2r ,&l JMP &e LDA LDAr STHr EQU JMP2r
$10
@program $4000
&assembly $4000
&accumulator $4000

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@ -34,7 +34,7 @@ BRK
@on-button ( -> )
.Controller/key DEI
DUP #00 NEQ ,&no-null JCN
DUP ,&no-null JCN
POP BRK
&no-null
DUP #0d NEQ ,&no-enter JCN

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@ -321,7 +321,7 @@ JMP2r
EQUkr STHr #00 EQU ,&no-reached JCN
POP2r NIP2 ;dir/data ADD2 JMP2r
&no-reached
DUP2 ;dir/data ADD2 LDA #00 NEQ ,&no-lb JCN
DUP2 ;dir/data ADD2 LDA ,&no-lb JCN
INCr
&no-lb
INC2 GTH2k ,&loop JCN