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|
;; -*-theme-d-*-
;; Copyright (C) 2017 Tommi Höynälänmaa
;; Distributed under GNU Lesser General Public License version 3,
;; see file doc/LGPL-3.
;; Most forms are ported from SRFI-72 source code by Andre van Tonder.
(define-interface (standard-library core-forms)
(define-syntax with-syntax
($lambda (x)
(syntax-case x ()
((_ () e1 e2 ...)
(syntax (begin e1 e2 ...)))
((_ ((out in)) e1 e2 ...)
(syntax (syntax-case in ()
(out (begin e1 e2 ...)))))
((_ ((out in) ...) e1 e2 ...)
(syntax (syntax-case ($list in ...) ()
((out ...) (begin e1 e2 ...))))))))
(define-syntax syntax-rules
($lambda (x)
($define clause
($lambda (y)
(syntax-case y ()
(((keyword . pattern) template)
(syntax ((dummy . pattern) (syntax template))))
(_
($syntax-violation 'syntax-rules "Invalid expression" x)))))
(syntax-case x ()
((_ (k ...) cl ...)
($for-all $identifier? (syntax (k ...)))
(with-syntax (((cl ...) ($map clause (syntax (cl ...)))))
(syntax
($lambda (x) (syntax-case x (k ...) cl ...))))))))
(define-syntax $let
($lambda (x)
(syntax-case x ()
((_ ((x v) ...) e1 e2 ...)
($for-all $identifier? (syntax (x ...)))
(syntax (($lambda (x ...) e1 e2 ...) v ...)))
((_ f ((x v) ...) e1 e2 ...)
($for-all $identifier? (syntax (f x ...)))
(syntax (($letrec ((f ($lambda (x ...) e1 e2 ...))) f) v ...))))))
(define-syntax $letrec
($lambda (x)
(syntax-case x ()
((_ ((i v) ...) e1 e2 ...)
(with-syntax (((t ...) ($generate-temporaries (syntax (i ...)))))
(syntax ($let ((i $undefined) ...)
($let ((t v) ...)
(set! i t) ...
($let () e1 e2 ...)))))))))
(define-syntax $letrec*
($lambda (x)
(syntax-case x ()
((_ ((i v) ...) e1 e2 ...)
(syntax ($let ()
($define i v) ...
($let () e1 e2 ...)))))))
(define-syntax $let*
($lambda (x)
(syntax-case x ()
((_ () e1 e2 ...)
(syntax ($let () e1 e2 ...)))
((_ ((x v) ...) e1 e2 ...)
($for-all $identifier? (syntax (x ...)))
($let f ((bindings (syntax ((x v) ...))))
(syntax-case bindings ()
(((x v)) (syntax ($let ((x v)) e1 e2 ...)))
(((x v) . rest) (with-syntax ((body (f (syntax rest))))
(syntax ($let ((x v)) body))))))))))
(define-syntax cond
(syntax-rules (else)
((_ (else result1 result2 ...))
(begin result1 result2 ...))
;; The => form is not very useful when the condition is boolean valued.
;; ((_ (test => result))
;; (let ((temp test))
;; (if temp (result temp))))
;; ((_ (test => result) clause1 clause2 ...)
;; (let ((temp test))
;; (if temp
;; (result temp)
;; (cond clause1 clause2 ...))))
((_ (test)) test)
((_ (test) clause1 clause2 ...)
(let ((temp test))
(if temp
temp
(cond clause1 clause2 ...))))
((_ (test result1 result2 ...))
(if test (begin result1 result2 ...)))
((_ (test result1 result2 ...)
clause1 clause2 ...)
(if test
(begin result1 result2 ...)
(cond clause1 clause2 ...)))))
(define-syntax cond-object
($lambda (x)
(syntax-case x ()
((_ c1 c2 ...)
($let f ((c1 (syntax c1))
(c2* (syntax (c2 ...))))
(syntax-case c2* ()
(()
(syntax-case c1 (else =>)
((else e1 e2 ...) (syntax (begin e1 e2 ...)))
((e0) (syntax (let ((t e0)) (if-object t t))))
((e0 => e1) (syntax (let ((t e0)) (if-object t (e1 t)))))
((e0 e1 e2 ...) (syntax (if-object e0 (begin e1 e2 ...))))
(_ ($syntax-violation 'cond-object
"Invalid expression" x))))
((c2 c3 ...)
(with-syntax ((rest (f (syntax c2)
(syntax (c3 ...)))))
(syntax-case c1 (else =>)
((e0) (syntax (let ((t e0)) (if-object t t rest))))
((e0 => e1) (syntax (let ((t e0)) (if-object t (e1 t) rest))))
((e0 e1 e2 ...) (syntax (if-object e0 (begin e1 e2 ...) rest)))
(_ ($syntax-violation 'cond-object
"Invalid expression" x)))))))))))
(define-syntax case
($lambda (x)
(syntax-case x ()
((_ e c1 c2 ...)
(with-syntax ((body
($let f ((c1 (syntax c1))
(cmore (syntax (c2 ...))))
(if-object ($null? cmore)
(syntax-case c1 (else)
((else e1 e2 ...) (syntax (begin e1 e2 ...)))
(((k ...) e1 e2 ...) (syntax (if (member? t '(k ...))
(begin e1 e2 ...)))))
(with-syntax ((rest (f ($car cmore) ($cdr cmore))))
(syntax-case c1 ()
(((k ...) e1 e2 ...)
(syntax (if (member? t '(k ...))
(begin e1 e2 ...)
rest)))))))))
(syntax (let ((t e)) body)))))))
(define-syntax =>
($lambda (x)
($syntax-violation '=> "Invalid expression" x)))
(define-syntax else
($lambda (x)
($syntax-violation 'else "Invalid expression" x)))
;; Taken from module (ice-9 boot-9) in guile.
(define-syntax and
(syntax-rules ()
((_) #t)
((_ x) (static-cast <boolean> x))
((_ x y ...) (if (static-cast <boolean> x) (and (static-cast <boolean> y) ...) #f))))
;; Taken from module (ice-9 boot-9) in guile.
(define-syntax or
(syntax-rules ()
((_) #f)
((_ x) (static-cast <boolean> x))
((_ x y ...) (let ((t <boolean> x)) (if t t (or (static-cast <boolean> y) ...))))))
;; Ported from module (ice-9 boot-9) in guile.
(define-syntax $and
(syntax-rules ()
((_) #t)
((_ x) x)
((_ x y ...) (if-object x ($and y ...) #f))))
;; Ported from module (ice-9 boot-9) in guile.
(define-syntax $or
(syntax-rules ()
((_) #f)
((_ x) x)
((_ x y ...) ($let ((t x)) (if-object t t ($or y ...))))))
;; Ported from module (ice-9 boot-9) in guile.
(define-syntax and-object
(syntax-rules ()
((_) #t)
((_ x) x)
((_ x y ...) (if-object x (and-object y ...) #f))))
;; Ported from module (ice-9 boot-9) in guile.
(define-syntax or-object
(syntax-rules ()
((_) #f)
((_ x) x)
((_ x y ...) (let ((t x)) (if-object t t (or-object y ...))))))
(define-syntax quasisyntax
($lambda (e)
;; Expand returns a list of the form
;; [template[t/e, ...] (replacement ...)]
;; Here template[t/e ...] denotes the original template
;; with unquoted expressions e replaced by fresh
;; variables t, followed by the appropriate ellipses
;; if e is also spliced.
;; The second part of the return value is the list of
;; replacements, each of the form (t e) if e is just
;; unquoted, or ((t ...) e) if e is also spliced.
;; This will be the list of bindings of the resulting
;; with-syntax expression.
($define expand
($lambda (x level)
(syntax-case x (quasisyntax unsyntax unsyntax-splicing)
((quasisyntax e)
(with-syntax (((k _) x) ;; original identifier must be copied
((e* reps) (expand (syntax e) ($+ level 1))))
(syntax ((k e*) reps))))
((unsyntax e)
($= level 0)
(with-syntax (((t) ($generate-temporaries '(t))))
(syntax (t ((t e))))))
(((unsyntax e ...) . r)
($= level 0)
(with-syntax (((r* (rep ...)) (expand (syntax r) 0))
((t ...) ($generate-temporaries (syntax (e ...)))))
(syntax ((t ... . r*)
((t e) ... rep ...)))))
(((unsyntax-splicing e ...) . r)
($= level 0)
(with-syntax (((r* (rep ...)) (expand (syntax r) 0))
((t ...) ($generate-temporaries (syntax (e ...)))))
(with-syntax ((((t ...) ...) (syntax ((t (... ...)) ...))))
(syntax ((t ... ... . r*)
(((t ...) e) ... rep ...))))))
((k . r)
($and ($> level 0)
($identifier? (syntax k))
($or ($free-identifier=? (syntax k) (syntax unsyntax))
($free-identifier=? (syntax k) (syntax unsyntax-splicing))))
(with-syntax (((r* reps) (expand (syntax r) ($- level 1))))
(syntax ((k . r*) reps))))
((h . t)
(with-syntax (((h* (rep1 ...)) (expand (syntax h) level))
((t* (rep2 ...)) (expand (syntax t) level)))
(syntax ((h* . t*)
(rep1 ... rep2 ...)))))
;; (#(e ...)
;; (with-syntax ((((e* ...) reps)
;; (expand ($vector->list (syntax #(e ...))) level)))
;; (syntax (#(e* ...) reps))))
(other
(syntax (other ()))))))
(syntax-case e ()
((_ template)
(with-syntax (((template* replacements) (expand (syntax template) 0)))
(syntax
(with-syntax replacements (syntax template*))))))))
(define-syntax unsyntax
($lambda (e)
($syntax-violation 'unsyntax "Invalid expression" e)))
(define-syntax unsyntax-splicing
($lambda (e)
($syntax-violation 'unsyntax "Invalid expression" e)))
;; Optimised version copied from portable syntax-case (Dybvig)
(define-syntax quasiquote
($let ()
($define quasi
($lambda (p lev)
(syntax-case p (unquote quasiquote)
((unquote p)
(if ($= lev 0)
(syntax ("value" p))
(quasicons (syntax ("quote" unquote)) (quasi (syntax (p)) ($- lev 1)))))
((quasiquote p) (quasicons (syntax ("quote" quasiquote)) (quasi (syntax (p)) ($+ lev 1))))
((p . q)
(syntax-case (syntax p) (unquote unquote-splicing)
((unquote p ...)
(if ($= lev 0)
(quasilist* (syntax (("value" p) ...)) (quasi (syntax q) lev))
(quasicons
(quasicons (syntax ("quote" unquote)) (quasi (syntax (p ...)) ($- lev 1)))
(quasi (syntax q) lev))))
((unquote-splicing p ...)
(if ($= lev 0)
(quasiappend (syntax (("value" p) ...)) (quasi (syntax q) lev))
(quasicons
(quasicons (syntax ("quote" unquote-splicing)) (quasi (syntax (p ...)) ($- lev 1)))
(quasi (syntax q) lev))))
(_ (quasicons (quasi (syntax p) lev) (quasi (syntax q) lev)))))
;; (#(x ...) (quasivector (vquasi (syntax (x ...)) lev)))
(p (syntax ("quote" p))))))
($define vquasi
($lambda (p lev)
(syntax-case p ()
((p . q)
(syntax-case (syntax p) (unquote unquote-splicing)
((unquote p ...)
(if ($= lev 0)
(quasilist* (syntax (("value" p) ...)) (vquasi (syntax q) lev))
(quasicons
(quasicons (syntax ("quote" unquote)) (quasi (syntax (p ...)) ($- lev 1)))
(vquasi (syntax q) lev))))
((unquote-splicing p ...)
(if ($= lev 0)
(quasiappend (syntax (("value" p) ...)) (vquasi (syntax q) lev))
(quasicons
(quasicons
(syntax ("quote" unquote-splicing))
(quasi (syntax (p ...)) ($- lev 1)))
(vquasi (syntax q) lev))))
(_ (quasicons (quasi (syntax p) lev) (vquasi (syntax q) lev)))))
(() (syntax ("quote" ()))))))
($define quasicons
($lambda (x y)
(with-syntax ((x x) (y y))
(syntax-case (syntax y) ()
(("quote" dy)
(syntax-case (syntax x) ()
(("quote" dx) (syntax ("quote" (dx . dy))))
(_ (if ($null? (syntax dy)) (syntax ("list" x)) (syntax ("list*" x y))))))
(("list" . stuff) (syntax ("list" x . stuff)))
(("list*" . stuff) (syntax ("list*" x . stuff)))
(_ (syntax ("list*" x y)))))))
($define quasiappend
($lambda (x y)
(syntax-case y ()
(("quote" ())
(cond
(($null? x) (syntax ("quote" ())))
(($null? ($cdr x)) ($car x))
(else (with-syntax (((p ...) x)) (syntax ("append" p ...))))))
(_
(cond
(($null? x) y)
(else (with-syntax (((p ...) x) (y y)) (syntax ("append" p ... y)))))))))
($define quasilist*
($lambda (x y)
($let f ((x x))
(if ($null? x)
y
(quasicons ($car x) (f ($cdr x)))))))
;; ($define quasivector
;; ($lambda (x)
;; (syntax-case x ()
;; (("quote" (x ...)) (syntax ("quote" #(x ...))))
;; (_
;; ($let f ((y x) (k ($lambda (ls) (quasisyntax ("vector" (unsyntax-splicing ls))))))
;; (syntax-case y ()
;; (("quote" (y ...)) (k (syntax (("quote" y) ...))))
;; (("list" y ...) (k (syntax (y ...))))
;; (("list*" y ... z) (f (syntax z) ($lambda (ls) (k ($append (syntax (y ...)) ls)))))
;; (else (quasisyntax ("list->vector" (unsyntax x))))))))))
($define emit
($lambda (x)
(syntax-case x ()
(("quote" x) (syntax 'x))
(("list" x ...) (quasisyntax (list (unsyntax-splicing ($map emit (syntax (x ...)))))))
;; could emit list* for 3+ arguments if implementation supports list*
(("list*" x ... y)
($let f ((x* (syntax (x ...))))
(if ($null? x*)
(emit (syntax y))
(quasisyntax (cons (unsyntax (emit ($car x*))) (unsyntax (f ($cdr x*))))))))
;; (("append" x ...) (quasisyntax (_append (unsyntax-splicing ($map emit (syntax (x ...)))))))
(("append" x) (emit (syntax x)))
(("append" x y ...)
(quasisyntax (_append (unsyntax (emit (syntax x))) (unsyntax (emit ($cons "append" (syntax (y ...))))))))
;; (("vector" x ...) (quasisyntax ($vector (unsyntax-splicing ($map emit (syntax (x ...)))))))
;; (("list->vector" x) (quasisyntax ($list->vector (unsyntax (emit (syntax x))))))
(("value" x) (syntax x)))))
($lambda (x)
(syntax-case x ()
;; convert to intermediate language, combining introduced (but not
;; unquoted source) quote expressions where possible and choosing
;; optimal construction code otherwise, then emit Scheme code
;; corresponding to the intermediate language forms.
((_ e) (emit (quasi (syntax e) 0)))))))
(define-syntax unquote
($lambda (e)
($syntax-violation 'unquote "Invalid expression" e)))
(define-syntax unquote-splicing
($lambda (e)
($syntax-violation 'unquote-splicing "Invalid expression" e)))
(define-syntax identifier-syntax
($lambda (x)
(syntax-case x (set!)
((_ e)
(syntax ($lambda (x)
(syntax-case x ()
(id ($identifier? (syntax id)) (syntax e))
((_ x (... ...)) (syntax (e x (... ...))))))))
((_ (id exp1)
((set! var val) exp2))
($and ($identifier? (syntax id))
($identifier? (syntax var)))
(syntax
($make-variable-transformer
($lambda (x)
(syntax-case x (set!)
((set! var val) (syntax exp2))
((id x (... ...)) (syntax (exp1 x (... ...))))
(id ($identifier? (syntax id)) (syntax exp1))))))))))
(define-syntax let*
(syntax-rules ()
((_ () body1 ...)
(let () body1 ...))
((_ ((var val)) body1 ...)
(let ((var val)) body1 ...))
((_ ((var type val)) body1 ...)
(let ((var type val)) body1 ...))
((_ ((var val) var1 var2 ...) body1 ...)
(let ((var val)) (let* (var1 var2 ...) body1 ...)))
((_ ((var type val) var1 var2 ...) body1 ...)
(let ((var type val)) (let* (var1 var2 ...) body1 ...)))))
(define-syntax let*-mutable
(syntax-rules ()
((_ () body1 ...)
(let-mutable () body1 ...))
((_ ((var type val)) body1 ...)
(let-mutable ((var type val)) body1 ...))
((_ ((var type val) var1 var2 ...) body1 ...)
(let-mutable ((var type val)) (let*-mutable (var1 var2 ...) body1 ...)))))
(define-syntax let*-volatile
(syntax-rules ()
((_ () body1 ...)
(let-volatile () body1 ...))
((_ ((var type val)) body1 ...)
(let-volatile ((var type val)) body1 ...))
((_ ((var type val) var1 var2 ...) body1 ...)
(let-volatile ((var type val)) (let*-volatile (var1 var2 ...) body1 ...)))))
(define-syntax do
(syntax-rules ()
((_ ((var type init update) ...) (condition result) body1 ...)
(let-mutable ((var type init) ...)
(until (condition result)
body1 ...
(set! var update) ...)))
((_ ((var type init update) ...) (condition) body1 ...)
(let-mutable ((var type init) ...)
(until (condition)
body1 ...
(set! var update) ...)))))
(define-syntax define-simple-proc
(syntax-rules ()
((_ name (((arg-name arg-type) ...) result-type attrs)
body1 body2 ...)
(begin
(declare name (:simple-proc (arg-type ...)
result-type attrs))
(define name (lambda (((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...))))))
(define-syntax define-main-proc
(syntax-rules ()
((_ (((arg-name arg-type) ...) result-type attrs)
body1 body2 ...)
(begin
(declare main (:simple-proc (arg-type ...)
result-type attrs))
(define main (lambda (((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...))))))
(define-syntax define-param-proc
(syntax-rules ()
((_ name
(param1 param2 ...)
(((arg-name arg-type) ...) result-type attrs extra ...)
body1 body2 ...)
(begin
(declare name (:param-proc (param1 param2 ...)
(arg-type ...) result-type
attrs))
(define name (param-lambda
(param1 param2 ...)
(((arg-name arg-type) ...) result-type
attrs extra ...)
body1 body2 ...))))))
(define-syntax define-simple-method
(syntax-rules ()
((_ name (((arg-name arg-type) ...) result-type attrs extra ...)
body1 body2 ...)
(begin
(declare-method name (:simple-proc (arg-type ...)
result-type attrs))
(add-method name (lambda (((arg-name arg-type) ...)
result-type attrs extra ...)
body1 body2 ...))))))
(define-syntax define-param-method
(syntax-rules ()
((_ name (param1 param2 ...) (((arg-name arg-type) ...)
result-type attrs extra ...)
body1 body2 ...)
(begin
(declare-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs))
(add-method name (param-lambda (param1 param2 ...)
(((arg-name arg-type) ...)
result-type attrs extra ...)
body1 body2 ...))))))
(define-syntax define-simple-virtual-method
(syntax-rules ()
((_ name (((arg-name arg-type) ...) result-type attrs)
body1 body2 ...)
(begin
(declare-virtual-method name (:simple-proc (arg-type ...)
result-type attrs))
(add-virtual-method name (lambda (((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...))))))
(define-syntax define-static-simple-virtual-method
(syntax-rules ()
((_ name (((arg-name arg-type) ...) result-type attrs)
body1 body2 ...)
(begin
(declare-static-virtual-method name (:simple-proc (arg-type ...)
result-type attrs))
(add-static-virtual-method name (lambda (((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...))))))
(define-syntax define-param-virtual-method
(syntax-rules ()
((_ name (param1 param2 ...) (((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...)
(begin
(declare-virtual-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs))
(add-virtual-method name (param-lambda (param1 param2 ...)
(((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...))))))
(define-syntax define-static-param-virtual-method
(syntax-rules ()
((_ name (param1 param2 ...) (((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...)
(begin
(declare-static-virtual-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs))
(add-static-virtual-method name (param-lambda (param1 param2 ...)
(((arg-name arg-type) ...)
result-type attrs)
body1 body2 ...))))))
(define-syntax declare-simple-method
(syntax-rules ()
((_ name (arg-type ...) result-type attrs)
(declare-method name (:simple-proc (arg-type ...)
result-type attrs)))))
(define-syntax declare-static-simple-method
(syntax-rules ()
((_ name (arg-type ...) result-type attrs)
(declare-method name (:simple-proc (arg-type ...)
result-type attrs)))))
(define-syntax declare-param-method
(syntax-rules ()
((_ name (param1 param2 ...) (arg-type ...)
result-type attrs)
(declare-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs)))))
(define-syntax declare-static-param-method
(syntax-rules ()
((_ name (param1 param2 ...) (arg-type ...)
result-type attrs)
(declare-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs)))))
(define-syntax declare-simple-virtual-method
(syntax-rules ()
((_ name (arg-type ...) result-type attrs)
(declare-virtual-method name (:simple-proc (arg-type ...)
result-type attrs)))))
(define-syntax declare-static-simple-virtual-method
(syntax-rules ()
((_ name ((arg-name arg-type) ...) result-type attrs)
(declare-static-virtual-method name (:simple-proc (arg-type ...)
result-type attrs)))))
(define-syntax declare-param-virtual-method
(syntax-rules ()
((_ name (param1 param2 ...) (arg-type ...)
result-type attrs)
(declare-virtual-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs)))))
(define-syntax declare-static-param-virtual-method
(syntax-rules ()
((_ name (param1 param2 ...) (arg-type ...)
result-type attrs)
(declare-static-virtual-method name (:param-proc (param1 param2 ...)
(arg-type ...)
result-type attrs)))))
(define-syntax receive0
(syntax-rules ()
((_ () expr1 expr2)
expr2)
((_ (var1 var2 ...) expr1 expr2)
(let ((var1 (car expr1)))
(receive0 (var2 ...) (cdr expr1)
expr2)))))
(define-syntax receive
(syntax-rules ()
((_ () expr1 expr2)
(begin expr1 expr2))
((_ (var1 var2 ...) expr1 expr2)
(let ((value expr1))
(receive0 (var1 var2 ...) value expr2)))))
(define-syntax fluid-let
(syntax-rules ()
((_ () body ...)
(begin body ...))
((_ ((p0 e0) (p e) ...) body ...)
(let ((saved p0))
(set! p0 e0)
(let ((result (fluid-let ((p e) ...) body ...)))
(set! p0 saved)
result)))))
(define-syntax unwind-protect-local
(syntax-rules ()
((_ expr protect)
(let ((result expr))
protect
result))))
(define-syntax exec/cc
(syntax-rules ()
((_ jump-proc jump-type body)
(call/cc
(lambda-automatic
(((jump-proc
(:simple-proc (jump-type) <none> (pure never-returns))))
pure)
body)))))
(define-syntax execute-with-current-continuation
(identifier-syntax exec/cc))
(define-syntax exec/cc-nonpure
(syntax-rules ()
((_ jump-proc jump-type body)
(call/cc-nonpure
(lambda-automatic
(((jump-proc
(:simple-proc (jump-type) <none> (pure never-returns))))
nonpure)
body)))))
(define-syntax execute-with-current-continuation-nonpure
(identifier-syntax exec/cc-nonpure))
(define-syntax exec/cc-without-result
(syntax-rules ()
((_ jump-proc body)
(call/cc-without-result
(lambda
(((jump-proc
(:simple-proc () <none> (pure never-returns))))
<none> nonpure)
body)))))
(define-syntax execute-with-current-continuation-without-result
(identifier-syntax exec/cc-without-result))
(define-syntax create
(syntax-rules ()
((_ clas arg1 ...)
((constructor clas) arg1 ...))))
(define-syntax define-normal-goops-class
($lambda (x)
(syntax-case x ()
((_ name target-name1 superclass1 inh? imm? ebv?)
($let* ((sx-key1
(if (syntax inh?)
(syntax (inheritance-access public))
(syntax (inheritance-access hidden))))
(imm1? (syntax imm?))
(not-imm? ($not imm1?))
(ebv1? (syntax ebv?))
(not-ebv? ($not ebv1?))
(sx-key2
(cond
(($and not-imm? not-ebv?)
(syntax (attributes)))
(($and not-imm? ebv1?)
(syntax (attributes equal-by-value)))
(($and imm1? not-ebv?)
(syntax (attributes immutable)))
(($and imm1? ebv1?)
(syntax (attributes immutable equal-by-value)))
(else
($syntax-violation 'define-normal-goops-class
"Logical error"
x)))))
(quasisyntax
(define-foreign-goops-class name
(target-name target-name1)
(superclass superclass1)
(unsyntax sx-key1)
(unsyntax sx-key2))))))))
(define-syntax make-apply-arg-list
(syntax-rules ()
((_) null)
((_ lst1) lst1)
((_ x1 x2 ...) (cons x1 (make-apply-arg-list x2 ...)))))
(define-syntax apply
(syntax-rules ()
((_ proc l-args)
(apply0 proc l-args))
((_ proc arg1 arg2 ...)
(apply0 proc (make-apply-arg-list arg1 arg2 ...)))))
(define-syntax apply-nonpure
(syntax-rules ()
((_ proc l-args)
(apply-nonpure0 proc l-args))
((_ proc arg1 arg2 ...)
(apply-nonpure0 proc (make-apply-arg-list arg1 arg2 ...))))))
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