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qq extension `(,@3) => 3; cond-expand fix

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ESL 2024-12-29 18:04:33 -05:00
parent 36c26cea58
commit 8a3963ddb1
4 changed files with 18 additions and 17 deletions
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1
pre/s.scm
View file

@ -174,6 +174,7 @@
(define-syntax quasiquote
(syntax-rules (unquote unquote-splicing quasiquote)
[(_ ,x) x]
[(_ (,@x)) x] ; popular extension/optimization
[(_ (,@x . y)) (append x `y)]
[(_ `x . d) (cons 'quasiquote (quasiquote (x) d))]
[(_ ,x d) (cons 'unquote (quasiquote (x) . d))]

2
pre/t.scm
View file

@ -997,7 +997,7 @@
(define (make-cond-expand-transformer)
(lambda (sexp env)
(define (lit=? id sym) ; match literal as free identifier
(and (id? id) (free-id=? id env sym root-environment sym)))
(and (id? id) (free-id=? id env sym root-environment)))
(cons begin-id (preprocess-cond-expand lit=? sexp env))))

26
s.c
View file

@ -125,19 +125,19 @@ char *s_code[] = {
";y4:step;y3:...;;y3:...;;;;;;",
"S", "quasiquote",
"l11:y12:syntax-rules;l3:y7:unquote;y16:unquote-splicing;y10:quasiquote"
";;l2:l2:y1:_;l2:y7:unquote;y1:x;;;y1:x;;l2:l2:y1:_;pl2:y16:unquote-spl"
"icing;y1:x;;y1:y;;;l3:y6:append;y1:x;l2:y10:quasiquote;y1:y;;;;l2:py1:"
"_;pl2:y10:quasiquote;y1:x;;y1:d;;;l3:y4:cons;l2:y5:quote;y10:quasiquot"
"e;;l3:y10:quasiquote;l1:y1:x;;y1:d;;;;l2:l3:y1:_;l2:y7:unquote;y1:x;;y"
"1:d;;l3:y4:cons;l2:y5:quote;y7:unquote;;py10:quasiquote;pl1:y1:x;;y1:d"
";;;;;l2:l3:y1:_;l2:y16:unquote-splicing;y1:x;;y1:d;;l3:y4:cons;l2:y5:q"
"uote;y16:unquote-splicing;;py10:quasiquote;pl1:y1:x;;y1:d;;;;;l2:py1:_"
";ppy1:x;y1:y;;y1:d;;;l3:y4:cons;py10:quasiquote;py1:x;y1:d;;;py10:quas"
"iquote;py1:y;y1:d;;;;;l2:py1:_;pv2:y1:x;y3:...;;y1:d;;;l2:y12:list->ve"
"ctor;py10:quasiquote;pl2:y1:x;y3:...;;y1:d;;;;;l2:py1:_;pzy1:x;;y1:d;;"
";l2:y3:box;py10:quasiquote;py1:x;y1:d;;;;;l2:py1:_;py1:x;y1:d;;;l2:y5:"
"quote;y1:x;;;",
"l12:y12:syntax-rules;l3:y7:unquote;y16:unquote-splicing;y10:quasiquote"
";;l2:l2:y1:_;l2:y7:unquote;y1:x;;;y1:x;;l2:l2:y1:_;l1:l2:y16:unquote-s"
"plicing;y1:x;;;;y1:x;;l2:l2:y1:_;pl2:y16:unquote-splicing;y1:x;;y1:y;;"
";l3:y6:append;y1:x;l2:y10:quasiquote;y1:y;;;;l2:py1:_;pl2:y10:quasiquo"
"te;y1:x;;y1:d;;;l3:y4:cons;l2:y5:quote;y10:quasiquote;;l3:y10:quasiquo"
"te;l1:y1:x;;y1:d;;;;l2:l3:y1:_;l2:y7:unquote;y1:x;;y1:d;;l3:y4:cons;l2"
":y5:quote;y7:unquote;;py10:quasiquote;pl1:y1:x;;y1:d;;;;;l2:l3:y1:_;l2"
":y16:unquote-splicing;y1:x;;y1:d;;l3:y4:cons;l2:y5:quote;y16:unquote-s"
"plicing;;py10:quasiquote;pl1:y1:x;;y1:d;;;;;l2:py1:_;ppy1:x;y1:y;;y1:d"
";;;l3:y4:cons;py10:quasiquote;py1:x;y1:d;;;py10:quasiquote;py1:y;y1:d;"
";;;;l2:py1:_;pv2:y1:x;y3:...;;y1:d;;;l2:y12:list->vector;py10:quasiquo"
"te;pl2:y1:x;y3:...;;y1:d;;;;;l2:py1:_;pzy1:x;;y1:d;;;l2:y3:box;py10:qu"
"asiquote;py1:x;y1:d;;;;;l2:py1:_;py1:x;y1:d;;;l2:y5:quote;y1:x;;;",
"S", "when",
"l3:y12:syntax-rules;n;l2:py1:_;py4:test;y4:rest;;;l3:y2:if;y4:test;py4"

6
t.c
View file

@ -576,9 +576,9 @@ char *t_code[] = {
"1,&2{%0:1d,:0^[01},.1,&1{%0:0ad]0},.2aa,:0^[13}.!0.0^_1[41",
"P", "make-cond-expand-transformer",
"%0&0{%2,#0.2,&1{%2${.2,@(y3:id?)[01}?{.1,@(y16:root-environment),.3,:0"
",.4,@(y9:free-id=?)[25}f]2}.!0${.4,.4,.4^,@(y22:preprocess-cond-expand"
")[03},@(y8:begin-id)c]3}]0",
"%0&0{%2,#0.2,&1{%2${.2,@(y3:id?)[01}?{@(y16:root-environment),.2,:0,.3"
",@(y9:free-id=?)[24}f]2}.!0${.4,.4,.4^,@(y22:preprocess-cond-expand)[0"
"3},@(y8:begin-id)c]3}]0",
"P", "adjoin-code",
"%2'(l1:y5:begin;),.1e?{.1]2}'(l1:y5:begin;),.2e?{.0]2}${.2,'(l3:y5:beg"