1080 lines
39 KiB
Scheme
1080 lines
39 KiB
Scheme
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;;; SCHEME -- A Scheme interpreter evaluating a sort, written by Marc Feeley.
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(library (r6rs-benchmarks scheme)
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(export main)
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(import (r6rs) (r6rs mutable-pairs) (r6rs-benchmarks))
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(define (scheme-eval expr)
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(let ((code (scheme-comp expr scheme-global-environment)))
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(code #f)))
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(define scheme-global-environment
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(cons '() ; environment chain
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'())) ; macros
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(define (scheme-add-macro name proc)
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(set-cdr! scheme-global-environment
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(cons (cons name proc) (cdr scheme-global-environment)))
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name)
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(define (scheme-error msg . args)
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(fatal-error msg args))
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(define (lst->vector l)
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(let* ((n (length l))
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(v (make-vector n)))
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(let loop ((l l) (i 0))
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(if (pair? l)
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(begin
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(vector-set! v i (car l))
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(loop (cdr l) (+ i 1)))
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v))))
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(define (vector->lst v)
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(let loop ((l '()) (i (- (vector-length v) 1)))
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(if (< i 0)
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l
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(loop (cons (vector-ref v i) l) (- i 1)))))
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(define scheme-syntactic-keywords
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'(quote quasiquote unquote unquote-splicing
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lambda if set! cond => else and or
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case let let* letrec begin do define
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define-macro))
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(define (push-frame frame env)
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(if (null? frame)
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env
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(cons (cons (car env) frame) (cdr env))))
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(define (lookup-var name env)
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(let loop1 ((chain (car env)) (up 0))
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(if (null? chain)
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name
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(let loop2 ((chain chain)
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(up up)
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(frame (cdr chain))
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(over 1))
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(cond ((null? frame)
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(loop1 (car chain) (+ up 1)))
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((eq? (car frame) name)
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(cons up over))
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(else
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(loop2 chain up (cdr frame) (+ over 1))))))))
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(define (macro? name env)
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(assq name (cdr env)))
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(define (push-macro name proc env)
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(cons (car env) (cons (cons name proc) (cdr env))))
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(define (lookup-macro name env)
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(cdr (assq name (cdr env))))
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(define (variable x)
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(if (not (symbol? x))
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(scheme-error "Identifier expected" x))
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(if (memq x scheme-syntactic-keywords)
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(scheme-error "Variable name can not be a syntactic keyword" x)))
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(define (shape form n)
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(let loop ((form form) (n n) (l form))
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(cond ((<= n 0))
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((pair? l)
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(loop form (- n 1) (cdr l)))
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(else
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(scheme-error "Ill-constructed form" form)))))
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(define (macro-expand expr env)
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(apply (lookup-macro (car expr) env) (cdr expr)))
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(define (comp-var expr env)
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(variable expr)
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(gen-var-ref (lookup-var expr env)))
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(define (comp-self-eval expr env)
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(gen-cst expr))
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(define (comp-quote expr env)
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(shape expr 2)
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(gen-cst (cadr expr)))
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(define (comp-quasiquote expr env)
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(comp-quasiquotation (cadr expr) 1 env))
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(define (comp-quasiquotation form level env)
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(cond ((= level 0)
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(scheme-comp form env))
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((pair? form)
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(cond
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((eq? (car form) 'quasiquote)
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(comp-quasiquotation-list form (+ level 1) env))
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((eq? (car form) 'unquote)
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(if (= level 1)
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(scheme-comp (cadr form) env)
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(comp-quasiquotation-list form (- level 1) env)))
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((eq? (car form) 'unquote-splicing)
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(if (= level 1)
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(scheme-error "Ill-placed 'unquote-splicing'" form))
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(comp-quasiquotation-list form (- level 1) env))
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(else
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(comp-quasiquotation-list form level env))))
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((vector? form)
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(gen-vector-form
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(comp-quasiquotation-list (vector->lst form) level env)))
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(else
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(gen-cst form))))
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(define (comp-quasiquotation-list l level env)
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(if (pair? l)
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(let ((first (car l)))
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(if (= level 1)
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(if (unquote-splicing? first)
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(begin
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(shape first 2)
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(gen-append-form (scheme-comp (cadr first) env)
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(comp-quasiquotation (cdr l) 1 env)))
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(gen-cons-form (comp-quasiquotation first level env)
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(comp-quasiquotation (cdr l) level env)))
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(gen-cons-form (comp-quasiquotation first level env)
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(comp-quasiquotation (cdr l) level env))))
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(comp-quasiquotation l level env)))
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(define (unquote-splicing? x)
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(if (pair? x)
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(if (eq? (car x) 'unquote-splicing) #t #f)
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#f))
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(define (comp-unquote expr env)
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(scheme-error "Ill-placed 'unquote'" expr))
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(define (comp-unquote-splicing expr env)
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(scheme-error "Ill-placed 'unquote-splicing'" expr))
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(define (comp-set! expr env)
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(shape expr 3)
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(variable (cadr expr))
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(gen-var-set (lookup-var (cadr expr) env) (scheme-comp (caddr expr) env)))
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(define (comp-lambda expr env)
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(shape expr 3)
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(let ((parms (cadr expr)))
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(let ((frame (parms->frame parms)))
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(let ((nb-vars (length frame))
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(code (comp-body (cddr expr) (push-frame frame env))))
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(if (rest-param? parms)
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(gen-lambda-rest nb-vars code)
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(gen-lambda nb-vars code))))))
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(define (parms->frame parms)
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(cond ((null? parms)
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'())
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((pair? parms)
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(let ((x (car parms)))
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(variable x)
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(cons x (parms->frame (cdr parms)))))
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(else
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(variable parms)
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(list parms))))
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(define (rest-param? parms)
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(cond ((pair? parms)
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(rest-param? (cdr parms)))
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((null? parms)
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#f)
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(else
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#t)))
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(define (comp-body body env)
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(define (letrec-defines vars vals body env)
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(if (pair? body)
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(let ((expr (car body)))
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(cond ((not (pair? expr))
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(letrec-defines* vars vals body env))
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((macro? (car expr) env)
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(letrec-defines vars
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vals
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(cons (macro-expand expr env) (cdr body))
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env))
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(else
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(cond
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((eq? (car expr) 'begin)
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(letrec-defines vars
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vals
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(append (cdr expr) (cdr body))
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env))
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((eq? (car expr) 'define)
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(let ((x (definition-name expr)))
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(variable x)
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(letrec-defines (cons x vars)
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(cons (definition-value expr) vals)
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(cdr body)
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env)))
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((eq? (car expr) 'define-macro)
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(let ((x (definition-name expr)))
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(letrec-defines vars
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vals
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(cdr body)
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(push-macro
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x
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(scheme-eval (definition-value expr))
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env))))
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(else
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(letrec-defines* vars vals body env))))))
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(scheme-error "Body must contain at least one evaluable expression")))
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(define (letrec-defines* vars vals body env)
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(if (null? vars)
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(comp-sequence body env)
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(comp-letrec-aux vars vals body env)))
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(letrec-defines '() '() body env))
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(define (definition-name expr)
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(shape expr 3)
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(let ((pattern (cadr expr)))
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(let ((name (if (pair? pattern) (car pattern) pattern)))
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(if (not (symbol? name))
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(scheme-error "Identifier expected" name))
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name)))
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(define (definition-value expr)
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(let ((pattern (cadr expr)))
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(if (pair? pattern)
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(cons 'lambda (cons (cdr pattern) (cddr expr)))
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(caddr expr))))
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(define (comp-if expr env)
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(shape expr 3)
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(let ((code1 (scheme-comp (cadr expr) env))
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(code2 (scheme-comp (caddr expr) env)))
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(if (pair? (cdddr expr))
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(gen-if code1 code2 (scheme-comp (cadddr expr) env))
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(gen-when code1 code2))))
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(define (comp-cond expr env)
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(comp-cond-aux (cdr expr) env))
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(define (comp-cond-aux clauses env)
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(if (pair? clauses)
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(let ((clause (car clauses)))
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(shape clause 1)
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(cond ((eq? (car clause) 'else)
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(shape clause 2)
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(comp-sequence (cdr clause) env))
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((not (pair? (cdr clause)))
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(gen-or (scheme-comp (car clause) env)
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(comp-cond-aux (cdr clauses) env)))
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((eq? (cadr clause) '=>)
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(shape clause 3)
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(gen-cond-send (scheme-comp (car clause) env)
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(scheme-comp (caddr clause) env)
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(comp-cond-aux (cdr clauses) env)))
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(else
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(gen-if (scheme-comp (car clause) env)
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(comp-sequence (cdr clause) env)
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(comp-cond-aux (cdr clauses) env)))))
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(gen-cst '())))
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(define (comp-and expr env)
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(let ((rest (cdr expr)))
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(if (pair? rest) (comp-and-aux rest env) (gen-cst #t))))
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(define (comp-and-aux l env)
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(let ((code (scheme-comp (car l) env))
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(rest (cdr l)))
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(if (pair? rest) (gen-and code (comp-and-aux rest env)) code)))
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(define (comp-or expr env)
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(let ((rest (cdr expr)))
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(if (pair? rest) (comp-or-aux rest env) (gen-cst #f))))
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(define (comp-or-aux l env)
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(let ((code (scheme-comp (car l) env))
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(rest (cdr l)))
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(if (pair? rest) (gen-or code (comp-or-aux rest env)) code)))
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(define (comp-case expr env)
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(shape expr 3)
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(gen-case (scheme-comp (cadr expr) env)
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(comp-case-aux (cddr expr) env)))
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(define (comp-case-aux clauses env)
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(if (pair? clauses)
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(let ((clause (car clauses)))
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(shape clause 2)
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(if (eq? (car clause) 'else)
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(gen-case-else (comp-sequence (cdr clause) env))
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(gen-case-clause (car clause)
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(comp-sequence (cdr clause) env)
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(comp-case-aux (cdr clauses) env))))
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(gen-case-else (gen-cst '()))))
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|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-let expr env)
|
||
|
|
(shape expr 3)
|
||
|
|
(let ((x (cadr expr)))
|
||
|
|
(cond ((symbol? x)
|
||
|
|
(shape expr 4)
|
||
|
|
(let ((y (caddr expr)))
|
||
|
|
(let ((proc (cons 'lambda (cons (bindings->vars y) (cdddr expr)))))
|
||
|
|
(scheme-comp (cons (list 'letrec (list (list x proc)) x)
|
||
|
|
(bindings->vals y))
|
||
|
|
env))))
|
||
|
|
((pair? x)
|
||
|
|
(scheme-comp (cons (cons 'lambda (cons (bindings->vars x) (cddr expr)))
|
||
|
|
(bindings->vals x))
|
||
|
|
env))
|
||
|
|
(else
|
||
|
|
(comp-body (cddr expr) env)))))
|
||
|
|
|
||
|
|
(define (bindings->vars bindings)
|
||
|
|
(if (pair? bindings)
|
||
|
|
(let ((binding (car bindings)))
|
||
|
|
(shape binding 2)
|
||
|
|
(let ((x (car binding)))
|
||
|
|
(variable x)
|
||
|
|
(cons x (bindings->vars (cdr bindings)))))
|
||
|
|
'()))
|
||
|
|
|
||
|
|
(define (bindings->vals bindings)
|
||
|
|
(if (pair? bindings)
|
||
|
|
(let ((binding (car bindings)))
|
||
|
|
(cons (cadr binding) (bindings->vals (cdr bindings))))
|
||
|
|
'()))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-let* expr env)
|
||
|
|
(shape expr 3)
|
||
|
|
(let ((bindings (cadr expr)))
|
||
|
|
(if (pair? bindings)
|
||
|
|
(scheme-comp (list 'let
|
||
|
|
(list (car bindings))
|
||
|
|
(cons 'let* (cons (cdr bindings) (cddr expr))))
|
||
|
|
env)
|
||
|
|
(comp-body (cddr expr) env))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-letrec expr env)
|
||
|
|
(shape expr 3)
|
||
|
|
(let ((bindings (cadr expr)))
|
||
|
|
(comp-letrec-aux (bindings->vars bindings)
|
||
|
|
(bindings->vals bindings)
|
||
|
|
(cddr expr)
|
||
|
|
env)))
|
||
|
|
|
||
|
|
(define (comp-letrec-aux vars vals body env)
|
||
|
|
(if (pair? vars)
|
||
|
|
(let ((new-env (push-frame vars env)))
|
||
|
|
(gen-letrec (comp-vals vals new-env)
|
||
|
|
(comp-body body new-env)))
|
||
|
|
(comp-body body env)))
|
||
|
|
|
||
|
|
(define (comp-vals l env)
|
||
|
|
(if (pair? l)
|
||
|
|
(cons (scheme-comp (car l) env) (comp-vals (cdr l) env))
|
||
|
|
'()))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-begin expr env)
|
||
|
|
(shape expr 2)
|
||
|
|
(comp-sequence (cdr expr) env))
|
||
|
|
|
||
|
|
(define (comp-sequence exprs env)
|
||
|
|
(if (pair? exprs)
|
||
|
|
(comp-sequence-aux exprs env)
|
||
|
|
(gen-cst '())))
|
||
|
|
|
||
|
|
(define (comp-sequence-aux exprs env)
|
||
|
|
(let ((code (scheme-comp (car exprs) env))
|
||
|
|
(rest (cdr exprs)))
|
||
|
|
(if (pair? rest) (gen-sequence code (comp-sequence-aux rest env)) code)))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-do expr env)
|
||
|
|
(shape expr 3)
|
||
|
|
(let ((bindings (cadr expr))
|
||
|
|
(exit (caddr expr)))
|
||
|
|
(shape exit 1)
|
||
|
|
(let* ((vars (bindings->vars bindings))
|
||
|
|
(new-env1 (push-frame '(#f) env))
|
||
|
|
(new-env2 (push-frame vars new-env1)))
|
||
|
|
(gen-letrec
|
||
|
|
(list
|
||
|
|
(gen-lambda
|
||
|
|
(length vars)
|
||
|
|
(gen-if
|
||
|
|
(scheme-comp (car exit) new-env2)
|
||
|
|
(comp-sequence (cdr exit) new-env2)
|
||
|
|
(gen-sequence
|
||
|
|
(comp-sequence (cdddr expr) new-env2)
|
||
|
|
(gen-combination
|
||
|
|
(gen-var-ref '(1 . 1))
|
||
|
|
(comp-vals (bindings->steps bindings) new-env2))))))
|
||
|
|
(gen-combination
|
||
|
|
(gen-var-ref '(0 . 1))
|
||
|
|
(comp-vals (bindings->vals bindings) new-env1))))))
|
||
|
|
|
||
|
|
(define (bindings->steps bindings)
|
||
|
|
(if (pair? bindings)
|
||
|
|
(let ((binding (car bindings)))
|
||
|
|
(cons (if (pair? (cddr binding)) (caddr binding) (car binding))
|
||
|
|
(bindings->steps (cdr bindings))))
|
||
|
|
'()))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-define expr env)
|
||
|
|
(shape expr 3)
|
||
|
|
(let ((pattern (cadr expr)))
|
||
|
|
(let ((x (if (pair? pattern) (car pattern) pattern)))
|
||
|
|
(variable x)
|
||
|
|
(gen-sequence
|
||
|
|
(gen-var-set (lookup-var x env)
|
||
|
|
(scheme-comp (if (pair? pattern)
|
||
|
|
(cons 'lambda (cons (cdr pattern) (cddr expr)))
|
||
|
|
(caddr expr))
|
||
|
|
env))
|
||
|
|
(gen-cst x)))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-define-macro expr env)
|
||
|
|
(let ((x (definition-name expr)))
|
||
|
|
(gen-macro x (scheme-eval (definition-value expr)))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (comp-combination expr env)
|
||
|
|
(gen-combination (scheme-comp (car expr) env) (comp-vals (cdr expr) env)))
|
||
|
|
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
(define (gen-var-ref var)
|
||
|
|
(if (pair? var)
|
||
|
|
(gen-rte-ref (car var) (cdr var))
|
||
|
|
(gen-glo-ref (scheme-global-var var))))
|
||
|
|
|
||
|
|
(define (gen-rte-ref up over)
|
||
|
|
(case up
|
||
|
|
((0) (gen-slot-ref-0 over))
|
||
|
|
((1) (gen-slot-ref-1 over))
|
||
|
|
(else (gen-slot-ref-up-2 (gen-rte-ref (- up 2) over)))))
|
||
|
|
|
||
|
|
(define (gen-slot-ref-0 i)
|
||
|
|
(case i
|
||
|
|
((0) (lambda (rte) (vector-ref rte 0)))
|
||
|
|
((1) (lambda (rte) (vector-ref rte 1)))
|
||
|
|
((2) (lambda (rte) (vector-ref rte 2)))
|
||
|
|
((3) (lambda (rte) (vector-ref rte 3)))
|
||
|
|
(else (lambda (rte) (vector-ref rte i)))))
|
||
|
|
|
||
|
|
(define (gen-slot-ref-1 i)
|
||
|
|
(case i
|
||
|
|
((0) (lambda (rte) (vector-ref (vector-ref rte 0) 0)))
|
||
|
|
((1) (lambda (rte) (vector-ref (vector-ref rte 0) 1)))
|
||
|
|
((2) (lambda (rte) (vector-ref (vector-ref rte 0) 2)))
|
||
|
|
((3) (lambda (rte) (vector-ref (vector-ref rte 0) 3)))
|
||
|
|
(else (lambda (rte) (vector-ref (vector-ref rte 0) i)))))
|
||
|
|
|
||
|
|
(define (gen-slot-ref-up-2 code)
|
||
|
|
(lambda (rte) (code (vector-ref (vector-ref rte 0) 0))))
|
||
|
|
|
||
|
|
(define (gen-glo-ref i)
|
||
|
|
(lambda (rte) (scheme-global-var-ref i)))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-cst val)
|
||
|
|
(case val
|
||
|
|
((()) (lambda (rte) '()))
|
||
|
|
((#f) (lambda (rte) #f))
|
||
|
|
((#t) (lambda (rte) #t))
|
||
|
|
((-2) (lambda (rte) -2))
|
||
|
|
((-1) (lambda (rte) -1))
|
||
|
|
((0) (lambda (rte) 0))
|
||
|
|
((1) (lambda (rte) 1))
|
||
|
|
((2) (lambda (rte) 2))
|
||
|
|
(else (lambda (rte) val))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-append-form code1 code2)
|
||
|
|
(lambda (rte) (append (code1 rte) (code2 rte))))
|
||
|
|
|
||
|
|
(define (gen-cons-form code1 code2)
|
||
|
|
(lambda (rte) (cons (code1 rte) (code2 rte))))
|
||
|
|
|
||
|
|
(define (gen-vector-form code)
|
||
|
|
(lambda (rte) (lst->vector (code rte))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-var-set var code)
|
||
|
|
(if (pair? var)
|
||
|
|
(gen-rte-set (car var) (cdr var) code)
|
||
|
|
(gen-glo-set (scheme-global-var var) code)))
|
||
|
|
|
||
|
|
(define (gen-rte-set up over code)
|
||
|
|
(case up
|
||
|
|
((0) (gen-slot-set-0 over code))
|
||
|
|
((1) (gen-slot-set-1 over code))
|
||
|
|
(else (gen-slot-set-n (gen-rte-ref (- up 2) 0) over code))))
|
||
|
|
|
||
|
|
(define (gen-slot-set-0 i code)
|
||
|
|
(case i
|
||
|
|
((0) (lambda (rte) (vector-set! rte 0 (code rte))))
|
||
|
|
((1) (lambda (rte) (vector-set! rte 1 (code rte))))
|
||
|
|
((2) (lambda (rte) (vector-set! rte 2 (code rte))))
|
||
|
|
((3) (lambda (rte) (vector-set! rte 3 (code rte))))
|
||
|
|
(else (lambda (rte) (vector-set! rte i (code rte))))))
|
||
|
|
|
||
|
|
(define (gen-slot-set-1 i code)
|
||
|
|
(case i
|
||
|
|
((0) (lambda (rte) (vector-set! (vector-ref rte 0) 0 (code rte))))
|
||
|
|
((1) (lambda (rte) (vector-set! (vector-ref rte 0) 1 (code rte))))
|
||
|
|
((2) (lambda (rte) (vector-set! (vector-ref rte 0) 2 (code rte))))
|
||
|
|
((3) (lambda (rte) (vector-set! (vector-ref rte 0) 3 (code rte))))
|
||
|
|
(else (lambda (rte) (vector-set! (vector-ref rte 0) i (code rte))))))
|
||
|
|
|
||
|
|
(define (gen-slot-set-n up i code)
|
||
|
|
(case i
|
||
|
|
((0) (lambda (rte) (vector-set! (up (vector-ref rte 0)) 0 (code rte))))
|
||
|
|
((1) (lambda (rte) (vector-set! (up (vector-ref rte 0)) 1 (code rte))))
|
||
|
|
((2) (lambda (rte) (vector-set! (up (vector-ref rte 0)) 2 (code rte))))
|
||
|
|
((3) (lambda (rte) (vector-set! (up (vector-ref rte 0)) 3 (code rte))))
|
||
|
|
(else (lambda (rte) (vector-set! (up (vector-ref rte 0)) i (code rte))))))
|
||
|
|
|
||
|
|
(define (gen-glo-set i code)
|
||
|
|
(lambda (rte) (scheme-global-var-set! i (code rte))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-lambda-rest nb-vars body)
|
||
|
|
(case nb-vars
|
||
|
|
((1) (gen-lambda-1-rest body))
|
||
|
|
((2) (gen-lambda-2-rest body))
|
||
|
|
((3) (gen-lambda-3-rest body))
|
||
|
|
(else (gen-lambda-n-rest nb-vars body))))
|
||
|
|
|
||
|
|
(define (gen-lambda-1-rest body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda a
|
||
|
|
(body (vector rte a)))))
|
||
|
|
|
||
|
|
(define (gen-lambda-2-rest body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a . b)
|
||
|
|
(body (vector rte a b)))))
|
||
|
|
|
||
|
|
(define (gen-lambda-3-rest body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a b . c)
|
||
|
|
(body (vector rte a b c)))))
|
||
|
|
|
||
|
|
(define (gen-lambda-n-rest nb-vars body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a b c . d)
|
||
|
|
(let ((x (make-vector (+ nb-vars 1))))
|
||
|
|
(vector-set! x 0 rte)
|
||
|
|
(vector-set! x 1 a)
|
||
|
|
(vector-set! x 2 b)
|
||
|
|
(vector-set! x 3 c)
|
||
|
|
(let loop ((n nb-vars) (x x) (i 4) (l d))
|
||
|
|
(if (< i n)
|
||
|
|
(begin (vector-set! x i (car l)) (loop n x (+ i 1) (cdr l)))
|
||
|
|
(vector-set! x i l)))
|
||
|
|
(body x)))))
|
||
|
|
|
||
|
|
(define (gen-lambda nb-vars body)
|
||
|
|
(case nb-vars
|
||
|
|
((0) (gen-lambda-0 body))
|
||
|
|
((1) (gen-lambda-1 body))
|
||
|
|
((2) (gen-lambda-2 body))
|
||
|
|
((3) (gen-lambda-3 body))
|
||
|
|
(else (gen-lambda-n nb-vars body))))
|
||
|
|
|
||
|
|
(define (gen-lambda-0 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda ()
|
||
|
|
(body rte))))
|
||
|
|
|
||
|
|
(define (gen-lambda-1 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a)
|
||
|
|
(body (vector rte a)))))
|
||
|
|
|
||
|
|
(define (gen-lambda-2 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a b)
|
||
|
|
(body (vector rte a b)))))
|
||
|
|
|
||
|
|
(define (gen-lambda-3 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a b c)
|
||
|
|
(body (vector rte a b c)))))
|
||
|
|
|
||
|
|
(define (gen-lambda-n nb-vars body)
|
||
|
|
(lambda (rte)
|
||
|
|
(lambda (a b c . d)
|
||
|
|
(let ((x (make-vector (+ nb-vars 1))))
|
||
|
|
(vector-set! x 0 rte)
|
||
|
|
(vector-set! x 1 a)
|
||
|
|
(vector-set! x 2 b)
|
||
|
|
(vector-set! x 3 c)
|
||
|
|
(let loop ((n nb-vars) (x x) (i 4) (l d))
|
||
|
|
(if (<= i n)
|
||
|
|
(begin (vector-set! x i (car l)) (loop n x (+ i 1) (cdr l)))))
|
||
|
|
(body x)))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-sequence code1 code2)
|
||
|
|
(lambda (rte) (code1 rte) (code2 rte)))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-when code1 code2)
|
||
|
|
(lambda (rte)
|
||
|
|
(if (code1 rte)
|
||
|
|
(code2 rte)
|
||
|
|
'())))
|
||
|
|
|
||
|
|
(define (gen-if code1 code2 code3)
|
||
|
|
(lambda (rte)
|
||
|
|
(if (code1 rte)
|
||
|
|
(code2 rte)
|
||
|
|
(code3 rte))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-cond-send code1 code2 code3)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((temp (code1 rte)))
|
||
|
|
(if temp
|
||
|
|
((code2 rte) temp)
|
||
|
|
(code3 rte)))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-and code1 code2)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((temp (code1 rte)))
|
||
|
|
(if temp
|
||
|
|
(code2 rte)
|
||
|
|
temp))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-or code1 code2)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((temp (code1 rte)))
|
||
|
|
(if temp
|
||
|
|
temp
|
||
|
|
(code2 rte)))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-case code1 code2)
|
||
|
|
(lambda (rte) (code2 rte (code1 rte))))
|
||
|
|
|
||
|
|
(define (gen-case-clause datums code1 code2)
|
||
|
|
(lambda (rte key) (if (memv key datums) (code1 rte) (code2 rte key))))
|
||
|
|
|
||
|
|
(define (gen-case-else code)
|
||
|
|
(lambda (rte key) (code rte)))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-letrec vals body)
|
||
|
|
(let ((nb-vals (length vals)))
|
||
|
|
(case nb-vals
|
||
|
|
((1) (gen-letrec-1 (car vals) body))
|
||
|
|
((2) (gen-letrec-2 (car vals) (cadr vals) body))
|
||
|
|
((3) (gen-letrec-3 (car vals) (cadr vals) (caddr vals) body))
|
||
|
|
(else (gen-letrec-n nb-vals vals body)))))
|
||
|
|
|
||
|
|
(define (gen-letrec-1 val1 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((x (vector rte #f)))
|
||
|
|
(vector-set! x 1 (val1 x))
|
||
|
|
(body x))))
|
||
|
|
|
||
|
|
(define (gen-letrec-2 val1 val2 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((x (vector rte #f #f)))
|
||
|
|
(vector-set! x 1 (val1 x))
|
||
|
|
(vector-set! x 2 (val2 x))
|
||
|
|
(body x))))
|
||
|
|
|
||
|
|
(define (gen-letrec-3 val1 val2 val3 body)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((x (vector rte #f #f #f)))
|
||
|
|
(vector-set! x 1 (val1 x))
|
||
|
|
(vector-set! x 2 (val2 x))
|
||
|
|
(vector-set! x 3 (val3 x))
|
||
|
|
(body x))))
|
||
|
|
|
||
|
|
(define (gen-letrec-n nb-vals vals body)
|
||
|
|
(lambda (rte)
|
||
|
|
(let ((x (make-vector (+ nb-vals 1))))
|
||
|
|
(vector-set! x 0 rte)
|
||
|
|
(let loop ((x x) (i 1) (l vals))
|
||
|
|
(if (pair? l)
|
||
|
|
(begin (vector-set! x i ((car l) x)) (loop x (+ i 1) (cdr l)))))
|
||
|
|
(body x))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-macro name proc)
|
||
|
|
(lambda (rte) (scheme-add-macro name proc)))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (gen-combination oper args)
|
||
|
|
(case (length args)
|
||
|
|
((0) (gen-combination-0 oper))
|
||
|
|
((1) (gen-combination-1 oper (car args)))
|
||
|
|
((2) (gen-combination-2 oper (car args) (cadr args)))
|
||
|
|
((3) (gen-combination-3 oper (car args) (cadr args) (caddr args)))
|
||
|
|
(else (gen-combination-n oper args))))
|
||
|
|
|
||
|
|
(define (gen-combination-0 oper)
|
||
|
|
(lambda (rte) ((oper rte))))
|
||
|
|
|
||
|
|
(define (gen-combination-1 oper arg1)
|
||
|
|
(lambda (rte) ((oper rte) (arg1 rte))))
|
||
|
|
|
||
|
|
(define (gen-combination-2 oper arg1 arg2)
|
||
|
|
(lambda (rte) ((oper rte) (arg1 rte) (arg2 rte))))
|
||
|
|
|
||
|
|
(define (gen-combination-3 oper arg1 arg2 arg3)
|
||
|
|
(lambda (rte) ((oper rte) (arg1 rte) (arg2 rte) (arg3 rte))))
|
||
|
|
|
||
|
|
(define (gen-combination-n oper args)
|
||
|
|
(lambda (rte)
|
||
|
|
(define (evaluate l rte)
|
||
|
|
(if (pair? l)
|
||
|
|
(cons ((car l) rte) (evaluate (cdr l) rte))
|
||
|
|
'()))
|
||
|
|
(apply (oper rte) (evaluate args rte))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (scheme-comp expr env)
|
||
|
|
(cond ((symbol? expr)
|
||
|
|
(comp-var expr env))
|
||
|
|
((not (pair? expr))
|
||
|
|
(comp-self-eval expr env))
|
||
|
|
((macro? (car expr) env)
|
||
|
|
(scheme-comp (macro-expand expr env) env))
|
||
|
|
(else
|
||
|
|
(cond
|
||
|
|
((eq? (car expr) 'quote) (comp-quote expr env))
|
||
|
|
((eq? (car expr) 'quasiquote) (comp-quasiquote expr env))
|
||
|
|
((eq? (car expr) 'unquote) (comp-unquote expr env))
|
||
|
|
((eq? (car expr) 'unquote-splicing) (comp-unquote-splicing expr env))
|
||
|
|
((eq? (car expr) 'set!) (comp-set! expr env))
|
||
|
|
((eq? (car expr) 'lambda) (comp-lambda expr env))
|
||
|
|
((eq? (car expr) 'if) (comp-if expr env))
|
||
|
|
((eq? (car expr) 'cond) (comp-cond expr env))
|
||
|
|
((eq? (car expr) 'and) (comp-and expr env))
|
||
|
|
((eq? (car expr) 'or) (comp-or expr env))
|
||
|
|
((eq? (car expr) 'case) (comp-case expr env))
|
||
|
|
((eq? (car expr) 'let) (comp-let expr env))
|
||
|
|
((eq? (car expr) 'let*) (comp-let* expr env))
|
||
|
|
((eq? (car expr) 'letrec) (comp-letrec expr env))
|
||
|
|
((eq? (car expr) 'begin) (comp-begin expr env))
|
||
|
|
((eq? (car expr) 'do) (comp-do expr env))
|
||
|
|
((eq? (car expr) 'define) (comp-define expr env))
|
||
|
|
((eq? (car expr) 'define-macro) (comp-define-macro expr env))
|
||
|
|
(else (comp-combination expr env))))))
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (scheme-global-var name)
|
||
|
|
(let ((x (assq name scheme-global-variables)))
|
||
|
|
(if x
|
||
|
|
x
|
||
|
|
(let ((y (cons name '())))
|
||
|
|
(set! scheme-global-variables (cons y scheme-global-variables))
|
||
|
|
y))))
|
||
|
|
|
||
|
|
(define (scheme-global-var-ref i)
|
||
|
|
(cdr i))
|
||
|
|
|
||
|
|
(define (scheme-global-var-set! i val)
|
||
|
|
(set-cdr! i val)
|
||
|
|
'())
|
||
|
|
|
||
|
|
(define scheme-global-variables '())
|
||
|
|
|
||
|
|
(define (def-proc name value)
|
||
|
|
(scheme-global-var-set!
|
||
|
|
(scheme-global-var name)
|
||
|
|
value))
|
||
|
|
|
||
|
|
(def-proc 'not (lambda (x) (not x)))
|
||
|
|
(def-proc 'boolean? boolean?)
|
||
|
|
(def-proc 'eqv? eqv?)
|
||
|
|
(def-proc 'eq? eq?)
|
||
|
|
(def-proc 'equal? equal?)
|
||
|
|
(def-proc 'pair? (lambda (obj) (pair? obj)))
|
||
|
|
(def-proc 'cons (lambda (x y) (cons x y)))
|
||
|
|
(def-proc 'car (lambda (x) (car x)))
|
||
|
|
(def-proc 'cdr (lambda (x) (cdr x)))
|
||
|
|
(def-proc 'set-car! set-car!)
|
||
|
|
(def-proc 'set-cdr! set-cdr!)
|
||
|
|
(def-proc 'caar caar)
|
||
|
|
(def-proc 'cadr cadr)
|
||
|
|
(def-proc 'cdar cdar)
|
||
|
|
(def-proc 'cddr cddr)
|
||
|
|
(def-proc 'caaar caaar)
|
||
|
|
(def-proc 'caadr caadr)
|
||
|
|
(def-proc 'cadar cadar)
|
||
|
|
(def-proc 'caddr caddr)
|
||
|
|
(def-proc 'cdaar cdaar)
|
||
|
|
(def-proc 'cdadr cdadr)
|
||
|
|
(def-proc 'cddar cddar)
|
||
|
|
(def-proc 'cdddr cdddr)
|
||
|
|
(def-proc 'caaaar caaaar)
|
||
|
|
(def-proc 'caaadr caaadr)
|
||
|
|
(def-proc 'caadar caadar)
|
||
|
|
(def-proc 'caaddr caaddr)
|
||
|
|
(def-proc 'cadaar cadaar)
|
||
|
|
(def-proc 'cadadr cadadr)
|
||
|
|
(def-proc 'caddar caddar)
|
||
|
|
(def-proc 'cadddr cadddr)
|
||
|
|
(def-proc 'cdaaar cdaaar)
|
||
|
|
(def-proc 'cdaadr cdaadr)
|
||
|
|
(def-proc 'cdadar cdadar)
|
||
|
|
(def-proc 'cdaddr cdaddr)
|
||
|
|
(def-proc 'cddaar cddaar)
|
||
|
|
(def-proc 'cddadr cddadr)
|
||
|
|
(def-proc 'cdddar cdddar)
|
||
|
|
(def-proc 'cddddr cddddr)
|
||
|
|
(def-proc 'null? (lambda (x) (null? x)))
|
||
|
|
(def-proc 'list? list?)
|
||
|
|
(def-proc 'list list)
|
||
|
|
(def-proc 'length length)
|
||
|
|
(def-proc 'append append)
|
||
|
|
(def-proc 'reverse reverse)
|
||
|
|
(def-proc 'list-ref list-ref)
|
||
|
|
(def-proc 'memq memq)
|
||
|
|
(def-proc 'memv memv)
|
||
|
|
(def-proc 'member member)
|
||
|
|
(def-proc 'assq assq)
|
||
|
|
(def-proc 'assv assv)
|
||
|
|
(def-proc 'assoc assoc)
|
||
|
|
(def-proc 'symbol? symbol?)
|
||
|
|
(def-proc 'symbol->string symbol->string)
|
||
|
|
(def-proc 'string->symbol string->symbol)
|
||
|
|
(def-proc 'number? number?)
|
||
|
|
(def-proc 'complex? complex?)
|
||
|
|
(def-proc 'real? real?)
|
||
|
|
(def-proc 'rational? rational?)
|
||
|
|
(def-proc 'integer? integer?)
|
||
|
|
(def-proc 'exact? exact?)
|
||
|
|
(def-proc 'inexact? inexact?)
|
||
|
|
;(def-proc '= =)
|
||
|
|
;(def-proc '< <)
|
||
|
|
;(def-proc '> >)
|
||
|
|
;(def-proc '<= <=)
|
||
|
|
;(def-proc '>= >=)
|
||
|
|
;(def-proc 'zero? zero?)
|
||
|
|
;(def-proc 'positive? positive?)
|
||
|
|
;(def-proc 'negative? negative?)
|
||
|
|
;(def-proc 'odd? odd?)
|
||
|
|
;(def-proc 'even? even?)
|
||
|
|
(def-proc 'max max)
|
||
|
|
(def-proc 'min min)
|
||
|
|
;(def-proc '+ +)
|
||
|
|
;(def-proc '* *)
|
||
|
|
;(def-proc '- -)
|
||
|
|
(def-proc '/ /)
|
||
|
|
(def-proc 'abs abs)
|
||
|
|
;(def-proc 'quotient quotient)
|
||
|
|
;(def-proc 'remainder remainder)
|
||
|
|
;(def-proc 'modulo modulo)
|
||
|
|
(def-proc 'gcd gcd)
|
||
|
|
(def-proc 'lcm lcm)
|
||
|
|
;(def-proc 'numerator numerator)
|
||
|
|
;(def-proc 'denominator denominator)
|
||
|
|
(def-proc 'floor floor)
|
||
|
|
(def-proc 'ceiling ceiling)
|
||
|
|
(def-proc 'truncate truncate)
|
||
|
|
(def-proc 'round round)
|
||
|
|
;(def-proc 'rationalize rationalize)
|
||
|
|
(def-proc 'exp exp)
|
||
|
|
(def-proc 'log log)
|
||
|
|
(def-proc 'sin sin)
|
||
|
|
(def-proc 'cos cos)
|
||
|
|
(def-proc 'tan tan)
|
||
|
|
(def-proc 'asin asin)
|
||
|
|
(def-proc 'acos acos)
|
||
|
|
(def-proc 'atan atan)
|
||
|
|
(def-proc 'sqrt sqrt)
|
||
|
|
(def-proc 'expt expt)
|
||
|
|
;(def-proc 'make-rectangular make-rectangular)
|
||
|
|
;(def-proc 'make-polar make-polar)
|
||
|
|
;(def-proc 'real-part real-part)
|
||
|
|
;(def-proc 'imag-part imag-part)
|
||
|
|
;(def-proc 'magnitude magnitude)
|
||
|
|
;(def-proc 'angle angle)
|
||
|
|
(def-proc 'exact->inexact exact->inexact)
|
||
|
|
(def-proc 'inexact->exact inexact->exact)
|
||
|
|
(def-proc 'number->string number->string)
|
||
|
|
(def-proc 'string->number string->number)
|
||
|
|
(def-proc 'char? char?)
|
||
|
|
(def-proc 'char=? char=?)
|
||
|
|
(def-proc 'char<? char<?)
|
||
|
|
(def-proc 'char>? char>?)
|
||
|
|
(def-proc 'char<=? char<=?)
|
||
|
|
(def-proc 'char>=? char>=?)
|
||
|
|
(def-proc 'char-ci=? char-ci=?)
|
||
|
|
(def-proc 'char-ci<? char-ci<?)
|
||
|
|
(def-proc 'char-ci>? char-ci>?)
|
||
|
|
(def-proc 'char-ci<=? char-ci<=?)
|
||
|
|
(def-proc 'char-ci>=? char-ci>=?)
|
||
|
|
(def-proc 'char-alphabetic? char-alphabetic?)
|
||
|
|
(def-proc 'char-numeric? char-numeric?)
|
||
|
|
(def-proc 'char-whitespace? char-whitespace?)
|
||
|
|
(def-proc 'char-lower-case? char-lower-case?)
|
||
|
|
(def-proc 'char->integer char->integer)
|
||
|
|
(def-proc 'integer->char integer->char)
|
||
|
|
(def-proc 'char-upcase char-upcase)
|
||
|
|
(def-proc 'char-downcase char-downcase)
|
||
|
|
(def-proc 'string? string?)
|
||
|
|
(def-proc 'make-string make-string)
|
||
|
|
(def-proc 'string string)
|
||
|
|
(def-proc 'string-length string-length)
|
||
|
|
(def-proc 'string-ref string-ref)
|
||
|
|
(def-proc 'string-set! string-set!)
|
||
|
|
(def-proc 'string=? string=?)
|
||
|
|
(def-proc 'string<? string<?)
|
||
|
|
(def-proc 'string>? string>?)
|
||
|
|
(def-proc 'string<=? string<=?)
|
||
|
|
(def-proc 'string>=? string>=?)
|
||
|
|
(def-proc 'string-ci=? string-ci=?)
|
||
|
|
(def-proc 'string-ci<? string-ci<?)
|
||
|
|
(def-proc 'string-ci>? string-ci>?)
|
||
|
|
(def-proc 'string-ci<=? string-ci<=?)
|
||
|
|
(def-proc 'string-ci>=? string-ci>=?)
|
||
|
|
(def-proc 'substring substring)
|
||
|
|
(def-proc 'string-append string-append)
|
||
|
|
(def-proc 'vector? vector?)
|
||
|
|
(def-proc 'make-vector make-vector)
|
||
|
|
(def-proc 'vector vector)
|
||
|
|
(def-proc 'vector-length vector-length)
|
||
|
|
(def-proc 'vector-ref vector-ref)
|
||
|
|
(def-proc 'vector-set! vector-set!)
|
||
|
|
(def-proc 'procedure? procedure?)
|
||
|
|
(def-proc 'apply apply)
|
||
|
|
(def-proc 'map map)
|
||
|
|
(def-proc 'for-each for-each)
|
||
|
|
;(def-proc 'call-with-current-continuation call-with-current-continuation)
|
||
|
|
(def-proc 'call-with-input-file call-with-input-file)
|
||
|
|
(def-proc 'call-with-output-file call-with-output-file)
|
||
|
|
(def-proc 'input-port? input-port?)
|
||
|
|
(def-proc 'output-port? output-port?)
|
||
|
|
(def-proc 'current-input-port current-input-port)
|
||
|
|
(def-proc 'current-output-port current-output-port)
|
||
|
|
(def-proc 'open-input-file open-input-file)
|
||
|
|
(def-proc 'open-output-file open-output-file)
|
||
|
|
(def-proc 'close-input-port close-input-port)
|
||
|
|
(def-proc 'close-output-port close-output-port)
|
||
|
|
(def-proc 'eof-object? eof-object?)
|
||
|
|
(def-proc 'read read)
|
||
|
|
(def-proc 'read-char read-char)
|
||
|
|
(def-proc 'peek-char peek-char)
|
||
|
|
(def-proc 'write write)
|
||
|
|
(def-proc 'display display)
|
||
|
|
(def-proc 'newline newline)
|
||
|
|
(def-proc 'write-char write-char)
|
||
|
|
|
||
|
|
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||
|
|
|
||
|
|
(define (main . args)
|
||
|
|
(run-benchmark
|
||
|
|
"scheme"
|
||
|
|
scheme-iters
|
||
|
|
(lambda (result)
|
||
|
|
(equal? result
|
||
|
|
'("eight" "eleven" "five" "four" "nine" "one"
|
||
|
|
"seven" "six" "ten" "three" "twelve" "two")))
|
||
|
|
(lambda (expr) (lambda () (scheme-eval expr)))
|
||
|
|
'(let ()
|
||
|
|
|
||
|
|
(define (sort-list obj pred)
|
||
|
|
|
||
|
|
(define (loop l)
|
||
|
|
(if (and (pair? l) (pair? (cdr l)))
|
||
|
|
(split l '() '())
|
||
|
|
l))
|
||
|
|
|
||
|
|
(define (split l one two)
|
||
|
|
(if (pair? l)
|
||
|
|
(split (cdr l) two (cons (car l) one))
|
||
|
|
(merge (loop one) (loop two))))
|
||
|
|
|
||
|
|
(define (merge one two)
|
||
|
|
(cond ((null? one) two)
|
||
|
|
((pred (car two) (car one))
|
||
|
|
(cons (car two)
|
||
|
|
(merge (cdr two) one)))
|
||
|
|
(else
|
||
|
|
(cons (car one)
|
||
|
|
(merge (cdr one) two)))))
|
||
|
|
|
||
|
|
(loop obj))
|
||
|
|
|
||
|
|
(sort-list '("one" "two" "three" "four" "five" "six"
|
||
|
|
"seven" "eight" "nine" "ten" "eleven" "twelve")
|
||
|
|
string<?)))))
|