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split-up test suite, implement quasiquote in scheme.

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This commit is contained in:
Jan Nieuwenhuizen 2016-07-25 14:39:56 +02:00
parent 384a88dd53
commit 3864d434fc
16 changed files with 618 additions and 291 deletions
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33
GNUmakefile
View file

@ -31,21 +31,36 @@ mes.h: mes.c GNUmakefile
done; echo '#endif'; echo '#endif' 1>&2) > $@ 2>environment.i done; echo '#endif'; echo '#endif' 1>&2) > $@ 2>environment.i
check: all guile-check check: all guile-check
./mes.test # ./mes.test
./mes.test ./mes # ./mes.test ./mes
cat scm.mes lib/srfi/srfi-0.scm test.mes | ./mes cat base0.mes base.mes lib/test.mes test/base.test | ./mes
cat base0.mes base.mes lib/test.mes test/closure.test | ./mes
cat base0.mes base.mes quasiquote.mes lib/test.mes test/quasiquote.test | ./mes
cat base0.mes base.mes quasiquote.mes let.mes lib/test.mes test/let.test | ./mes
cat base0.mes base.mes quasiquote.mes let.mes lib/srfi/srfi-0.scm scm.mes lib/test.mes test/scm.test | ./mes
guile-check: guile-check:
guile -s test.mes guile -s <(cat base.mes lib/test.mes test/base.test)
guile -s <(cat base.mes lib/test.mes test/closure.test)
guile -s <(cat base.mes lib/test.mes test/quasiquote.test)
guile -s <(cat quasiquote.mes lib/test.mes test/quasiquote.test)
# guile -s <(cat base.mes let.mes test/foo.test)
# exit 1
guile -s <(cat lib/test.mes test/base.test)
guile -s <(cat lib/test.mes test/quasiquote.test)
guile -s <(cat lib/test.mes test/let.test)
guile -s <(cat quasiquote.mes lib/test.mes test/base.test)
guile -s <(cat quasiquote.mes lib/test.mes test/quasiquote.test)
guile -s <(cat lib/test.mes test/scm.test)
run: all run: all
cat scm.mes test.mes | ./mes cat scm.mes test.mes | ./mes
psyntax: all psyntax: all
cat scm.mes psyntax.mes psyntax.pp psyntax2.mes | ./mes cat base0.mes base.mes quasiquote.mes let.mes psyntax.mes psyntax.pp psyntax2.mes | ./mes
syntax: all syntax: all
cat scm.mes syntax.mes syntax-test.mes | ./mes cat base0.mes base.mes quasiquote.mes let.mes scm.mes syntax.mes syntax-test.mes | ./mes
syntax.test: syntax.mes syntax-test.mes syntax.test: syntax.mes syntax-test.mes
cat $^ > $@ cat $^ > $@
@ -63,7 +78,7 @@ guile-syntax-case: syntax-case.test
guile -s $^ guile -s $^
macro: all macro: all
cat scm.mes macro.mes | ./mes cat base0.mes base.mes quasiquote.mes let.mes scm.mes macro.mes | ./mes
peg: all peg: all
cat scm.mes syntax.mes syntax-case-lib.mes syntax-case.mes syntax-case-after.mes peg.mes peg/codegen.scm peg/string-peg.scm peg/simplify-tree.scm peg/using-parsers.scm peg/cache.scm peg-test.mes | ./mes cat scm.mes syntax.mes syntax-case-lib.mes syntax-case.mes syntax-case-after.mes peg.mes peg/codegen.scm peg/string-peg.scm peg/simplify-tree.scm peg/using-parsers.scm peg/cache.scm peg-test.mes | ./mes
@ -84,7 +99,7 @@ record: all
paren: all paren: all
echo -e 'EOF\n___P((()))' | cat scm.mes syntax.mes lib/srfi/srfi-0.scm lib/record.mes lib/record.scm lib/srfi/srfi-9.scm lib/lalr.mes lib/lalr.scm paren.scm - | ./mes echo -e 'EOF\n___P((()))' | cat base0.mes base.mes quasiquote.mes let.mes scm.mes syntax.mes lib/srfi/srfi-0.scm lib/record.mes lib/record.scm lib/srfi/srfi-9.scm lib/lalr.mes lib/lalr.scm paren.scm - | ./mes
paren.test: lib/lalr.scm paren.scm paren.test: lib/lalr.scm paren.scm
cat $^ > $@ cat $^ > $@
@ -93,7 +108,7 @@ guile-paren: paren.test
echo '___P((()))' | guile -s $^ echo '___P((()))' | guile -s $^
mescc: all mescc: all
echo ' EOF ' | cat scm.mes syntax.mes lib/srfi/srfi-0.scm lib/record.mes lib/record.scm lib/srfi/srfi-9.scm lib/lalr.mes lib/lalr.scm c-lexer.scm mescc.scm - main.c | ./mes echo ' EOF ' | cat base0.mes base.mes quasiquote.mes let.mes scm.mes syntax.mes lib/srfi/srfi-0.scm lib/record.mes lib/record.scm lib/srfi/srfi-9.scm lib/lalr.mes lib/lalr.scm c-lexer.scm mescc.scm - main.c | ./mes
mescc.test: lib/lalr.scm c-lexer.scm mescc.scm mescc.test: lib/lalr.scm c-lexer.scm mescc.scm
cat $^ > $@ cat $^ > $@

3
TODO
View file

@ -4,6 +4,9 @@
Using define-macro-based version. Using define-macro-based version.
** psyntax.pp ** psyntax.pp
Find out how to hook-up sc-expand in eval/apply. Find out how to hook-up sc-expand in eval/apply.
** make core smaller
*** replase mes.c:quasiquote by qq.mes
*** cleanup environment/closures
** bugs ** bugs
See bugs/ See bugs/
** run PEG ** run PEG

79
base.mes Normal file
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@ -0,0 +1,79 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; base.mes: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(define (not x)
(cond (x #f)
(#t #t)))
(define guile? (not (pair? (current-module))))
(define-macro (or2 x y)
`(cond (,x ,x) (#t ,y)))
(define-macro (and2 x y)
`(cond (,x ,y) (#t #f)))
(define-macro (and . x)
(cond ((null? x) #t)
((null? (cdr x)) (car x))
(#t (list 'cond (list (car x) (cons 'and (cdr x)))
'(#t #f)))))
(define-macro (or . x)
(cond
((null? x) #f)
((null? (cdr x)) (car x))
(#t (list 'cond (list (car x))
(list #t (cons 'or (cdr x)))))))
(define (cons* x . rest)
(define (loop rest)
(cond ((null? (cdr rest)) (car rest))
(#t (cons (car rest) (loop (cdr rest))))))
(loop (cons x rest)))
(define (equal? a b) ;; FIXME: only 2 arg
(cond ((and (null? a) (null? b)) #t)
((and (pair? a) (pair? b))
(and (equal? (car a) (car b))
(equal? (cdr a) (cdr b))))
((and (string? a) (string? b))
(eq? (string->symbol a) (string->symbol b)))
((and (vector? a) (vector? b))
(equal? (vector->list a) (vector->list b)))
(#t (eq? a b))))
(define (memq x lst)
(cond ((null? lst) #f)
((eq? x (car lst)) lst)
(#t (memq x (cdr lst)))))
(define (map f l . r)
(cond ((null? l) '())
((null? r) (cons (f (car l)) (map f (cdr l))))
((null? (cdr r))
(cons (f (car l) (caar r)) (map f (cdr l) (cdar r))))))
(define-macro (simple-let bindings . rest)
(cons (cons 'lambda (cons (map car bindings) rest))
(map cadr bindings)))
(define-macro (let bindings . rest)
(cons* 'simple-let bindings rest))

22
base0.mes Normal file
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@ -0,0 +1,22 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; base0.mes: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(define-macro (defined? x)
`(assq ,x (cddr (current-module))))

100
let.mes Normal file
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@ -0,0 +1,100 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; test.mes: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(define-macro (simple-let bindings . rest)
`(,`(lambda ,(map car bindings) ,@rest)
,@(map cadr bindings)))
(define-macro (named-let label bindings . rest)
`(simple-let ((,label *unspecified*))
(set! ,label (lambda ,(map car bindings) ,@rest))
(,label ,@(map cadr bindings))))
(define-macro (combined-let bindings-or-label . rest)
(display
`(,`(cond
(,(symbol? bindings-or-label)
(lambda () ,(cons* 'named-let bindings-or-label `(car ,rest) `(cdr ,rest))))
(#t
(lambda () ,(cons* 'simple-let bindings-or-label rest))
))))
(newline)
`(,`(cond
(,(symbol? bindings-or-label)
(lambda () ,(cons* 'named-let bindings-or-label `(car ,rest) `(cdr ,rest))))
(#t
(lambda () ,(cons* 'simple-let bindings-or-label rest))
))))
(define (split-params bindings params)
(cond ((null? bindings) params)
(#t (split-params (cdr bindings)
(append params (cons (caar bindings) '()))))))
(define (split-values bindings values)
(cond ((null? bindings) values)
(#t (split-values (cdr bindings)
(append values (cdar bindings) '())))))
(define-macro (xsimple-let bindings rest)
`((lambda ,(split-params bindings '()) ,@rest)
,@(split-values bindings '())))
(define-macro (xnamed-let label bindings rest)
`((lambda (,label)
(set! ,label (lambda ,(split-params bindings '()) ,@rest))
(,label ,@(split-values bindings '())))
*unspecified*))
(define-macro (let bindings-or-label . rest)
`(cond (,(symbol? bindings-or-label)
(xnamed-let ,bindings-or-label ,(car rest) ,(cdr rest)))
(#t (xsimple-let ,bindings-or-label ,rest))))
(define (expand-let* bindings body)
(cond ((null? bindings)
`((lambda () ,@body)))
(#t `((lambda (,(caar bindings))
,(expand-let* (cdr bindings) body))
,@(cdar bindings)))))
(define-macro (let* bindings . body)
(expand-let* bindings body))
(define (unspecified-bindings bindings params)
(cond ((null? bindings) params)
(#t (unspecified-bindings
(cdr bindings)
(append params (cons (cons (caar bindings) '(*unspecified*)) '()))))))
(define (letrec-setters bindings setters)
(cond ((null? bindings) setters)
(#t (letrec-setters (cdr bindings)
(append setters
(cons (cons 'set! (car bindings)) '()))))))
(define-macro (letrec bindings . body)
`(let ,(unspecified-bindings bindings '())
,@(letrec-setters bindings '())
,@body))

5
lib/srfi/srfi-0.scm
View file

@ -1,7 +1,10 @@
(define mes '(0 1)) (define mes '(0 1))
(define-macro (defined? x)
`(assq ,x (cddr (current-module))))
(define (cond-expand-expander clauses) (define (cond-expand-expander clauses)
(let loop ((clauses clauses)) (named-let loop ((clauses clauses))
(if (defined? (caar clauses)) (if (defined? (caar clauses))
(eval (cons 'begin (cdar clauses)) (current-module)) (eval (cons 'begin (cdar clauses)) (current-module))
(loop (cdr clauses))))) (loop (cdr clauses)))))

71
lib/test.mes Normal file
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@ -0,0 +1,71 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; test.mes: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(define guile? (not (pair? (current-module))))
(define result
(let ((pass 0)
(fail 0))
(lambda (. t)
(cond ((or (null? t) (eq? (car t) result)) (list pass fail))
((eq? (car t) 'report)
(newline)
(display "passed: ") (display pass) (newline)
(display "failed: ") (display fail) (newline)
(display "total: ") (display (+ pass fail)) (newline)
(exit fail))
((car t) (display ": pass") (newline) (set! pass (+ pass 1)))
(#t (display ": fail") (newline) (set! fail (+ fail 1)))))))
(define (seq? a b)
(or (eq? a b)
(begin
(display ": fail")
(newline)
(display "expected: ")
(display b) (newline)
(display "actual: ")
(display a)
(newline)
#f)))
(define (sequal? a b)
(or (equal? a b)
(begin
(display ": fail")
(newline)
(display "expected: ")
(display b) (newline)
(display "actual: ")
(display a)
(newline)
#f)))
(define-macro (pass-if name t)
(list
'begin
(list display "test: ") (list display name)
(list result t)))
(define-macro (pass-if-not name f)
(list
'begin
(list display "test: ") (list display name)
(list result (list not f))))

49
mes.c
View file

@ -315,13 +315,6 @@ assq (scm *x, scm *a)
scm * scm *
apply_env (scm *fn, scm *x, scm *a) apply_env (scm *fn, scm *x, scm *a)
{ {
#if DEBUG
printf ("\napply_env fn=");
display (fn);
printf (" x=");
display (x);
puts ("");
#endif
scm *macro; scm *macro;
if (atom_p (fn) != &scm_f) if (atom_p (fn) != &scm_f)
{ {
@ -362,16 +355,10 @@ apply (scm *f, scm *x)
scm * scm *
eval (scm *e, scm *a) eval (scm *e, scm *a)
{ {
#if DEBUG
printf ("\neval e=");
display (e);
puts ("");
#endif
scm *macro; scm *macro;
if (e->type == SYMBOL) { if (e->type == SYMBOL) {
scm *y = assq (e, a); scm *y = assq (e, a);
if (y == &scm_f) { if (y == &scm_f) {
//return e;
fprintf (stderr, "eval: unbound variable: %s\n", e->name); fprintf (stderr, "eval: unbound variable: %s\n", e->name);
assert (!"unbound variable"); assert (!"unbound variable");
} }
@ -381,8 +368,6 @@ eval (scm *e, scm *a)
return e; return e;
else if (atom_p (car (e)) == &scm_t) else if (atom_p (car (e)) == &scm_t)
{ {
if ((macro = lookup_macro (car (e), a)) != &scm_f)
return eval (apply_env (macro, cdr (e), a), a);
if (car (e) == &symbol_quote) if (car (e) == &symbol_quote)
return cadr (e); return cadr (e);
if (car (e) == &symbol_begin) if (car (e) == &symbol_begin)
@ -399,10 +384,6 @@ eval (scm *e, scm *a)
return make_closure (cadr (e), cddr (e), assq (&symbol_closure, a)); return make_closure (cadr (e), cddr (e), assq (&symbol_closure, a));
if (car (e) == &symbol_closure) if (car (e) == &symbol_closure)
return e; return e;
if (car (e) == &symbol_unquote)
return eval (cadr (e), a);
if (car (e) == &symbol_quasiquote)
return eval_quasiquote (cadr (e), add_unquoters (a));
if (car (e) == &symbol_cond) if (car (e) == &symbol_cond)
return evcon (cdr (e), a); return evcon (cdr (e), a);
if (eq_p (car (e), &symbol_define) == &scm_t) if (eq_p (car (e), &symbol_define) == &scm_t)
@ -411,9 +392,12 @@ eval (scm *e, scm *a)
return define (e, a); return define (e, a);
if (car (e) == &symbol_set_x) if (car (e) == &symbol_set_x)
return set_env_x (cadr (e), eval (caddr (e), a), a); return set_env_x (cadr (e), eval (caddr (e), a), a);
if ((macro = assq (&symbol_sc_expand, a)) != &scm_f) if ((macro = lookup_macro (car (e), a)) != &scm_f)
if (cdr (macro) != &scm_f) return eval (apply_env (macro, cdr (e), a), a);
return eval (apply_env (cdr (macro), e, a), a); if (car (e) == &symbol_unquote)
return eval (cadr (e), a);
if (car (e) == &symbol_quasiquote)
return eval_quasiquote (cadr (e), add_unquoters (a));
} }
return apply_env (car (e), evlis (cdr (e), a), a); return apply_env (car (e), evlis (cdr (e), a), a);
} }
@ -774,15 +758,14 @@ lookup (char *x, scm *a)
if (!strcmp (x, symbol_quasiquote.name)) return &symbol_quasiquote; if (!strcmp (x, symbol_quasiquote.name)) return &symbol_quasiquote;
if (!strcmp (x, symbol_quote.name)) return &symbol_quote; if (!strcmp (x, symbol_quote.name)) return &symbol_quote;
if (!strcmp (x, symbol_set_x.name)) return &symbol_set_x;
if (!strcmp (x, symbol_unquote.name)) return &symbol_unquote; if (!strcmp (x, symbol_unquote.name)) return &symbol_unquote;
if (!strcmp (x, symbol_unquote_splicing.name)) return &symbol_unquote_splicing; if (!strcmp (x, symbol_unquote_splicing.name)) return &symbol_unquote_splicing;
if (!strcmp (x, symbol_quasisyntax.name)) return &symbol_quasisyntax; if (!strcmp (x, symbol_quasisyntax.name)) return &symbol_quasisyntax;
if (!strcmp (x, symbol_syntax.name)) return &symbol_syntax; if (!strcmp (x, symbol_syntax.name)) return &symbol_syntax;
if (!strcmp (x, symbol_set_x.name)) return &symbol_set_x; if (!strcmp (x, symbol_set_x.name)) return &symbol_set_x;
if (!strcmp (x, symbol_unsyntax.name)) return &symbol_unsyntax;
if (!strcmp (x, symbol_unsyntax_splicing.name)) return &symbol_unsyntax_splicing;
if (*x == '\'') return &symbol_quote; if (*x == '\'') return &symbol_quote;
if (*x == '`') return &symbol_quasiquote; if (*x == '`') return &symbol_quasiquote;
@ -937,18 +920,6 @@ display_helper (scm *x, bool cont, char *sep, bool quote)
printf ("'"); printf ("'");
return display_helper (car (cdr (x)), cont, "", true); return display_helper (car (cdr (x)), cont, "", true);
} }
if (car (x) == &scm_quasiquote) {
printf ("`");
return display_helper (car (cdr (x)), cont, "", true);
}
if (car (x) == &scm_unquote) {
printf (",");
return display_helper (car (cdr (x)), cont, "", true);
}
if (car (x) == &scm_unquote_splicing) {
printf (",@");
return display_helper (car (cdr (x)), cont, "", true);
}
if (!cont) printf ("("); if (!cont) printf ("(");
display (car (x)); display (car (x));
if (cdr (x)->type == PAIR) if (cdr (x)->type == PAIR)
@ -1350,7 +1321,7 @@ define (scm *x, scm *a)
set_cdr_x (cl, aa); set_cdr_x (cl, aa);
return entry; return entry;
} }
scm * scm *
lookup_macro (scm *x, scm *a) lookup_macro (scm *x, scm *a)
{ {

85
quasiquote.mes Normal file
View file

@ -0,0 +1,85 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; quasiquote.mes: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(define-macro (quasiquote x)
(define (check x)
(cond ((pair? (cdr x)) (cond ((null? (cddr x)))
(#t (error (car x) "invalid form ~s" x))))))
(define (loop x)
;;(display "LOOP") (newline)
(cond
((not (pair? x)) (cons 'quote (cons x '())))
((eq? (car x) 'quasiquote) (check x) (loop (loop (cadr x))))
((eq? (car x) 'unquote) (check x) (cadr x))
((eq? (car x) 'unquote-splicing)
(error 'unquote-splicing "invalid context for ~s" x))
(;;(and (pair? (car x)) (eq? (caar x) 'unquote-splicing))
(cond ((pair? (car x)) (eq? (caar x) 'unquote-splicing))
(#t #f))
(check (car x))
;; (let ((d (loop (cdr x))))
;; (cond ((equal? d '(quote ())) (cadar x))
;; ;;(#t `(append ,(cadar x) ,d))
;; (#t (list 'append (cadar x) d))
;; ))
((lambda (d)
(list 'append (cadar x) d))
(loop (cdr x))))
(#t
;; (let ((a (loop (car x)))
;; (d (loop (cdr x))))
;; (cond ((pair? d)
;; (cond ((eq? (car d) 'quote)
;; (cond ((and (pair? a) (eq? (car a) 'quote))
;; `'(,(cadr a) . ,(cadr d)))
;; (#t (cond ((null? (cadr d))
;; `(list ,a))
;; (#t `(cons* ,a ,d))))))
;; (#t (cond ((memq (car d) '(list cons*))
;; `(,(car d) ,a ,@(cdr d)))
;; (#t `(cons* ,a ,d))))))
;; (#t `(cons* ,a ,d))))
((lambda (a d)
;;(display "LAMBDA AD") (newline)
(cond ((pair? d)
(cond ((eq? (car d) 'quote)
(cond (;;(and (pair? a) (eq? (car a) 'quote))
(cond ((pair? a) (eq? (car a) 'quote))
(#t #f))
(list 'quote (cons (cadr a) (cadr d))))
(#t (cond ((null? (cadr d))
(list 'list a))
(#t (list 'cons* a d))))))
(#t (cond ((memq (car d) '(list cons*))
;;`(,(car d) ,a ,@(cdr d))
(cons (car d) (cons a (cdr d)))
)
;;(#t `(cons* ,a ,d))
(#t (list 'cons* a d))
))))
;;(#t `(cons* ,a ,d))
(#t (list 'cons* a d))
))
(loop (car x))
(loop (cdr x)))
)))
(loop x))

114
scm.mes
View file

@ -18,56 +18,13 @@
;;; You should have received a copy of the GNU General Public License ;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>. ;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
;; The Maxwell Equations of Software -- John McCarthy page 13 (define (list . rest) rest)
;; http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf
(define-macro (if expr then . else) (define-macro (if expr then . else)
`(cond `(cond
(,expr ,then) (,expr ,then)
(#t (cond (,(pair? else) ((lambda () ,@else))))))) (#t (cond (,(pair? else) ((lambda () ,@else)))))))
(define-macro (when expr . body)
`(if ,expr
((lambda () ,@body))))
(define (list . rest) rest)
(define (split-params bindings params)
(cond ((null? bindings) params)
(#t (split-params (cdr bindings)
(append params (cons (caar bindings) '()))))))
(define (split-values bindings values)
(cond ((null? bindings) values)
(#t (split-values (cdr bindings)
(append values (cdar bindings) '())))))
(define-macro (simple-let bindings rest)
`((lambda ,(split-params bindings '()) ,@rest)
,@(split-values bindings '())))
(define-macro (let-loop label bindings . rest)
`(let ((,label *unspecified*))
(let ((,label (lambda ,(split-params bindings '()) ,@rest)))
(,label ,@(split-values bindings '())))))
(define-macro (let-loop label bindings rest)
`((lambda (,label)
(set! ,label (lambda ,(split-params bindings '()) ,@rest))
(,label ,@(split-values bindings '())))
*unspecified*))
(define-macro (let bindings-or-label . rest)
`(cond (,(symbol? bindings-or-label)
(let-loop ,bindings-or-label ,(car rest) ,(cdr rest)))
(#t (simple-let ,bindings-or-label ,rest))))
(define-macro (do init test . body)
`(let loop ((,(caar init) ,(cadar init)))
(when (not ,@test)
,@body
(loop ,@(cddar init)))))
(define-macro (case val . args) (define-macro (case val . args)
(if (null? args) (if (null? args)
#f #f
@ -80,36 +37,25 @@
`(member ,val ',pred)) `(member ,val ',pred))
(begin ,@body) (begin ,@body)
(case ,val ,@(cdr args))) (case ,val ,@(cdr args)))
`(begin ,@body))))) ; else clause `(begin ,@body)))))
(define-macro (or2 x y) (define-macro (when expr . body)
`(cond (,x ,x) (#t ,y))) `(if ,expr
((lambda () ,@body))))
(define-macro (and2 x y) (define-macro (do init test . body)
`(cond (,x ,y) (#t #f))) `(let loop ((,(caar init) ,(cadar init)))
(when (not ,@test)
,@body
(loop ,@(cddar init)))))
(define-macro (or . x) (define (procedure? p)
(cond (cond ((builtin? p) #t)
((null? x) #f) ((and (pair? p) (eq? (car p) 'lambda)))
((null? (cdr x)) (car x)) ((and (pair? p) (eq? (car p) '*closure*)))
(#t `(cond (,(car x)) (#t #f)))
(#t (or ,@(cdr x)))))))
(define-macro (and . x) (define integer? number?)
(cond ((null? x) #t)
((null? (cdr x)) (car x))
(#t `(cond (,(car x) (and ,@(cdr x)))
(#t #f)))))
(define (expand-let* bindings body)
(cond ((null? bindings)
`((lambda () ,@body)))
(#t `((lambda (,(caar bindings))
,(expand-let* (cdr bindings) body))
,@(cdar bindings)))))
(define-macro (let* bindings . body)
(expand-let* bindings body))
(define (equal? a b) ;; FIXME: only 2 arg (define (equal? a b) ;; FIXME: only 2 arg
(cond ((and (null? a) (null? b)) #t) (cond ((and (null? a) (null? b)) #t)
@ -129,17 +75,6 @@
(if (= 0 n) '() (if (= 0 n) '()
(cons fill (loop (- n 1)))))))) (cons fill (loop (- n 1))))))))
(define-macro (defined? x)
`(assq ,x (cddr (current-module))))
(define (procedure? p)
(cond ((builtin? p) #t)
((and (pair? p) (eq? (car p) 'lambda)))
((and (pair? p) (eq? (car p) '*closure*)))
(#t #f)))
(define integer? number?)
(define (assq-set! alist key val) (define (assq-set! alist key val)
(let ((entry (assq key alist))) (let ((entry (assq key alist)))
(cond (entry (set-cdr! entry val) (cond (entry (set-cdr! entry val)
@ -226,23 +161,6 @@
(or (null? x) (or (null? x)
(and (pair? x) (list? (cdr x))))) (and (pair? x) (list? (cdr x)))))
(define (unspecified-bindings bindings params)
(cond ((null? bindings) params)
(#t (unspecified-bindings
(cdr bindings)
(append params (cons (cons (caar bindings) '(*unspecified*)) '()))))))
(define (letrec-setters bindings setters)
(cond ((null? bindings) setters)
(#t (letrec-setters (cdr bindings)
(append setters
(cons (cons 'set! (car bindings)) '()))))))
(define-macro (letrec bindings . body)
`(let ,(unspecified-bindings bindings '())
,@(letrec-setters bindings '())
,@body))
(define gensym (define gensym
(let ((counter 0)) (let ((counter 0))
(lambda (. rest) (lambda (. rest)

39
test/base.test Normal file
View file

@ -0,0 +1,39 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; base.test: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(pass-if "first dummy" #t)
(pass-if-not "second dummy" #f)
(pass-if "begin" (seq? (begin 'a 'b (+ 1 2)) 3))
(begin (define *top-begin-a* '*top-begin-a*))
(pass-if "top begin " (seq? *top-begin-a* '*top-begin-a*))
(pass-if "and" (seq? (and 1) 1))
(pass-if "and 2" (seq? (and 1 (= 0 1) #f) #f))
(pass-if "or" (seq? (or) #f))
(pass-if "or 2" (seq? (or 1) 1))
(pass-if "or 3" (seq? (or #f (= 0 1) 3) 3))
(pass-if "let" (seq? (let () 0) 0))
(pass-if "let 2" (seq? (let ((x 0)) x) 0))
(pass-if "let 3" (seq? (let ((p 5) (q 6)) (+ p q)) 11))
(result 'report)

46
test/closure.test Normal file
View file

@ -0,0 +1,46 @@
(define b 0)
(define x (lambda () b))
(define (x) b)
(pass-if "closure" (seq? (x) 0))
(define (c b)
(x))
(pass-if "closure 2" (seq? (c 1) 0))
(define (x)
(define b 1)
(define (y) b)
(set! b 0)
(list b
(let ((b 2))
(y))))
(pass-if "closure 3" (sequal? (x) '(0 0)))
(pass-if "closure 4 "
(seq? (let ()
(let ((count (let ((counter 0))
(lambda ()
counter))))
(count)))
0))
(pass-if "closure 5 "
(seq?
(let ()
(define name? 2)
(define (foo)
(define name? 0)
(lambda () name?))
((foo)))
0))
(pass-if "closure 6 "
(seq?
(let ()
(define foo
(lambda ()
(define name? symbol?)
(lambda ()
(name? 'boo))))
((foo)))
#t))

6
test/foo.test Normal file
View file

@ -0,0 +1,6 @@
(display (let () 0))
(newline)
(display (let ((x 0)) x))
(newline)
(display (let loop ((x 0)) 0))
(newline)

52
test/let.test Normal file
View file

@ -0,0 +1,52 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; let.test: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(pass-if "first dummy" #t)
(pass-if-not "second dummy" #f)
(let () (define *top-let-a* '*top-let-a*) #f)
(pass-if "top let " (seq? (and (defined? '*top-let-a*) *top-let-a*) #f))
(pass-if "let loop"
(sequal?
(let loop ((lst '(3 2 1)))
(cond ((null? lst) '())
(#t (cons (car lst) (loop (cdr lst))))))
'(3 2 1)))
(pass-if "let* comments"
(seq? (let* ((aa 2)
(bb (+ aa 3))
#! boo !#
;;(bb 4)
)
bb)
5))
(pass-if "letrec"
(seq?
(letrec ((factorial (lambda (n)
(cond ((= n 1) 1)
(#t (* n (factorial (- n 1))))))))
(factorial 4))
24))
(result 'report)

38
test/quasiquote.test Normal file
View file

@ -0,0 +1,38 @@
;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; quasiquote.test: This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
(pass-if "first dummy" #t)
(pass-if-not "second dummy" #f)
(pass-if "quasiquote" `#t)
(pass-if-not "quasiquote 2" `#f)
(pass-if "quasiquote 3" (seq? `1 1))
(pass-if "quasiquote 4" (sequal? '`0 '(quasiquote 0)))
(pass-if "unquote" (let ((x 0)) (sequal? `,x 0)))
(pass-if "unquote 1" (let ((b 1)) (sequal? `(a ,b c) '(a 1 c))))
(pass-if "unquote 2" (sequal? `,(list 1 2 3 4) '(1 2 3 4)))
(pass-if "unquote 3" (sequal? `(1 2 '(,(+ 1 2))) '(1 2 '(3))))
(pass-if "unquote-splicing" (let ((b 1) (c '(2 3))) (sequal? `(a ,b ,@c) '(a 1 2 3))))
(pass-if "unquote-splicing 2" (sequal? `('boo ,@'(bah baz) 1 2) '((quote boo) bah baz 1 2)))
(pass-if "unquote-splicing 3" (sequal? `(1 ,@(list 2 3) 4) '(1 2 3 4)))
(pass-if "unquote-splicing 4" (sequal? (let ((s-r '(2 3))) `(1 ,@s-r 4)) '(1 2 3 4)))
(result 'report)

167
test.mes → test/scm.test
View file

@ -3,7 +3,7 @@
;;; Mes --- Maxwell Equations of Software ;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org> ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;; ;;;
;;; test.mes: This file is part of Mes. ;;; scm.test: This file is part of Mes.
;;; ;;;
;;; Mes is free software; you can redistribute it and/or modify it ;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by ;;; under the terms of the GNU General Public License as published by
@ -18,79 +18,20 @@
;;; You should have received a copy of the GNU General Public License ;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>. ;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
;; The Maxwell Equations of Software -- John McCarthy page 13
;; http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf
(define result
(let ((pass 0)
(fail 0))
(lambda (. t)
(cond ((null? t) (list pass fail))
((car t) (display ": pass") (newline) (set! pass (+ pass 1)))
(#t (display ": fail") (newline) (set! fail (+ fail 1)))))))
(define guile? (defined? 'gc))
(when guile? (when guile?
(module-define! (current-module) 'builtin? (lambda (. x) #t)) (module-define! (current-module) 'builtin? (lambda (. x) #t))
(use-modules (srfi srfi-1))) (use-modules (srfi srfi-1))
)
(define (seq? a b)
(or (eq? a b)
(begin
(display ": fail")
(newline)
(display "expected: ")
(display b) (newline)
(display "actual: ")
(display a)
(newline)
#f)))
(define (sequal? a b)
(or (equal? a b)
(begin
(display ": fail")
(newline)
(display "expected: ")
(display b) (newline)
(display "actual: ")
(display a)
(newline)
#f)))
(define-macro (pass-if name t)
`(let ()
(display "test: ") (display ,name)
(result ,t)))
(define-macro (pass-if-not name f)
`(let ()
(display "test: ") (display ,name)
(result (not ,f))))
(pass-if "first dummy" #t) (pass-if "first dummy" #t)
(pass-if-not "second dummy" #f) (pass-if-not "second dummy" #f)
(pass-if "and" (seq? (and 1) 1)) (pass-if "if" (seq? (if #t 'true) 'true))
(pass-if "and 2" (seq? (and 1 (= 0 1) #f) #f)) (pass-if "if 2" (seq? (if (seq? 0 '0) 'true 'false) 'true))
(pass-if "or" (seq? (or) #f)) (pass-if "if 3" (seq? (if (= 1 2) 'true 'false) 'false))
(pass-if "or 2" (seq? (or 1) 1))
(pass-if "or 3" (seq? (or #f (= 0 1) 3) 3)) (pass-if "when" (seq? (when #t 'true) 'true))
(pass-if "let" (seq? (let ((p 5) (q 6)) (+ p q)) 11)) (pass-if "when 2" (seq? (when #f 'true) *unspecified*))
(pass-if "let loop" (sequal? (let loop ((lst '(3 2 1)))
(if (null? lst) '()
(cons (car lst)
(loop (cdr lst))))) '(3 2 1)))
(pass-if "quasiquote" (let ((cc 'bb)) (sequal? `(aa bb ,cc) '(aa bb bb))))
(pass-if "let* comments" (seq? (let* ((aa 2)
(bb (+ aa 3))
#! boo !#
;;(bb 4)
)
bb)
5))
(pass-if "map" (sequal? (map identity '(1 2 3 4)) '(1 2 3 4))) (pass-if "map" (sequal? (map identity '(1 2 3 4)) '(1 2 3 4)))
(pass-if "map 2 " (sequal? (map (lambda (i a) (cons i a)) '(1 2 3 4) '(a b c d)) (pass-if "map 2 " (sequal? (map (lambda (i a) (cons i a)) '(1 2 3 4) '(a b c d))
@ -99,6 +40,17 @@
(define xxxa 0) (define xxxa 0)
(pass-if "set! " (seq? (begin (set! xxxa 1) xxxa) 1)) (pass-if "set! " (seq? (begin (set! xxxa 1) xxxa) 1))
(pass-if "set! 2" (seq? (let ((a 0)) (set! a 1) a) 1)) (pass-if "set! 2" (seq? (let ((a 0)) (set! a 1) a) 1))
(pass-if "list-ref" (seq? (list-ref '(0 1 2) 1) 1))
(pass-if "do" (sequal? (let ((acc '())) (do ((i 0 (+ i 1))) ((>= i 3)) (set! acc (cons i acc))) acc) '(2 1 0)))
(pass-if "+" (seq? (+ 1 2 3) 6)) (pass-if "+" (seq? (+ 1 2 3) 6))
(pass-if "*" (seq? (* 3 3 3) 27)) (pass-if "*" (seq? (* 3 3 3) 27))
(pass-if "/" (seq? (/ 9 3) 3)) (pass-if "/" (seq? (/ 9 3) 3))
@ -109,15 +61,7 @@
(pass-if "=" (seq? 3 '3)) (pass-if "=" (seq? 3 '3))
(pass-if "= 2" (not (= 3 '4))) (pass-if "= 2" (not (= 3 '4)))
(pass-if "if" (seq? (if #t 'true) 'true))
(pass-if "if 2" (seq? (if (seq? 0 '0) 'true 'false) 'true))
(pass-if "if 3" (seq? (if (= 1 2) 'true 'false) 'false))
(pass-if "letrec" (seq? (letrec ((factorial (lambda (n)
(if (= n 1) 1
(* n (factorial (- n 1)))))))
(factorial 4))
24))
(pass-if "begin" (seq? (begin 'a 'b (+ 1 2)) 3))
(pass-if "string-append" (sequal? (string-append "a" "b" "c") "abc")) (pass-if "string-append" (sequal? (string-append "a" "b" "c") "abc"))
(pass-if "substring" (sequal? (substring "hello world" 6) "world")) (pass-if "substring" (sequal? (substring "hello world" 6) "world"))
(pass-if "substring 2" (sequal? (substring "hello world" 4 7) "o w")) (pass-if "substring 2" (sequal? (substring "hello world" 4 7) "o w"))
@ -139,9 +83,8 @@
(pass-if "make-vector" (sequal? (make-vector 3) #(*unspecified* *unspecified* *unspecified*)))) (pass-if "make-vector" (sequal? (make-vector 3) #(*unspecified* *unspecified* *unspecified*))))
(pass-if "make-vector 2" (sequal? (make-vector 3 0) #(0 0 0))) (pass-if "make-vector 2" (sequal? (make-vector 3 0) #(0 0 0)))
(pass-if "vector-ref" (seq? (vector-ref #(0 1) 1) 1)) (pass-if "vector-ref" (seq? (vector-ref #(0 1) 1) 1))
(when (not guile?) ;; hmm guile segfaults (pass-if "vector-set" (equal? (let ((v #(0 1))) (vector-set! v 1 'q) v) #(0 q)))
(pass-if "vector-set" (equal? (let ((v #(0 1))) (vector-set! v 1 'q) v) #(0 q))) (pass-if "vector-set 2" (not (equal? (let ((v #(0 1))) (vector-set! v 1 'q) v) #())))
(pass-if "vector-set 2" (not (equal? (let ((v #(0 1))) (vector-set! v 1 'q) v) #()))))
(pass-if "equal?" (sequal? #(1) #(1))) (pass-if "equal?" (sequal? #(1) #(1)))
(pass-if "equal?" (not (equal? #() #(1)))) (pass-if "equal?" (not (equal? #() #(1))))
(pass-if "memq" (sequal? (memq 'a '(a b c)) '(a b c))) (pass-if "memq" (sequal? (memq 'a '(a b c)) '(a b c)))
@ -181,60 +124,6 @@
(pass-if "gensym" (seq? (gensym) 'g0)) (pass-if "gensym" (seq? (gensym) 'g0))
(pass-if "gensym" (seq? (gensym) 'g1)) (pass-if "gensym" (seq? (gensym) 'g1))
(pass-if "gensym" (seq? (gensym) 'g2))) (pass-if "gensym" (seq? (gensym) 'g2)))
(pass-if "unquote" (sequal? `,(list 1 2 3 4) '(1 2 3 4)))
(pass-if "splice" (sequal? `('boo ,@'(bah baz) 1 2) '((quote boo) bah baz 1 2)))
(pass-if "splice" (sequal? `(1 ,@(list 2 3) 4) '(1 2 3 4)))
(pass-if "splice" (sequal? (let ((s-r '(2 3))) `(1 ,@s-r 4)) '(1 2 3 4)))
(pass-if "unquote" (sequal? `(1 2 '(,(+ 1 2))) '(1 2 '(3))))
(pass-if "when" (seq? (when #t 'true) 'true))
(pass-if "when 2" (seq? (when #f 'true) *unspecified*))
(define b 0)
(define x (lambda () b))
(define (x) b)
(pass-if "closure" (seq? (x) 0))
(define (c b)
(x))
(pass-if "closure 2" (seq? (c 1) 0))
(define (x)
(define b 1)
(define (y) b)
(set! b 0)
(list b
(let ((b 2))
(y))))
(pass-if "closure 3" (sequal? (x) '(0 0)))
(pass-if "closure 4 "
(seq? (let ()
(let ((count (let ((counter 0))
(lambda ()
counter))))
(count)))
0))
(pass-if "closure 5 "
(seq?
(let ()
(define name? 2)
(define (foo)
(define name? 0)
(lambda () name?))
((foo)))
0))
(pass-if "closure 6 "
(seq?
(let ()
(define foo
(lambda ()
(define name? symbol?)
(lambda ()
(name? 'boo))))
((foo)))
#t))
(pass-if "last-pair " (sequal? (last-pair '(1 2 3 4)) '(4))) (pass-if "last-pair " (sequal? (last-pair '(1 2 3 4)) '(4)))
(pass-if "last-pair 2" (seq? (last-pair '()) '())) (pass-if "last-pair 2" (seq? (last-pair '()) '()))
@ -249,12 +138,6 @@
(pass-if "cond-expand" (sequal? (cond-expand (foobar #f) (mes (display ": pass: *YAY*") 'mes) (guile (display ": pass: *GUILE*") 'mes)) 'mes)) (pass-if "cond-expand" (sequal? (cond-expand (foobar #f) (mes (display ": pass: *YAY*") 'mes) (guile (display ": pass: *GUILE*") 'mes)) 'mes))
(begin (define *top-begin-a* '*top-begin-a*))
(pass-if "top begin " (seq? (and (defined? '*top-begin-a*) *top-begin-a*) '*top-begin-a*))
(let () (define *top-let-a* '*top-let-a*) #f)
(pass-if "top let " (seq? (and (defined? '*top-let-a*) *top-let-a*) #f))
(pass-if "apply identity" (seq? (apply identity '(0)) 0)) (pass-if "apply identity" (seq? (apply identity '(0)) 0))
(pass-if "apply identity 2" (sequal? (apply identity '((0 1))) '(0 1))) (pass-if "apply identity 2" (sequal? (apply identity '((0 1))) '(0 1)))
(pass-if "apply append" (sequal? (apply append '((1 2) (3 4))) '(1 2 3 4))) (pass-if "apply append" (sequal? (apply append '((1 2) (3 4))) '(1 2 3 4)))
@ -293,10 +176,6 @@
(pass-if "min 1" (seq? (min 0 1) 0)) (pass-if "min 1" (seq? (min 0 1) 0))
(pass-if "min 2" (seq? (min 1 0 2) 0)) (pass-if "min 2" (seq? (min 1 0 2) 0))
(pass-if "list-ref" (seq? (list-ref '(0 1 2) 1) 1))
(pass-if "do" (sequal? (let ((acc '())) (do ((i 0 (+ i 1))) ((>= i 3)) (set! acc (cons i acc))) acc) '(2 1 0)))
(pass-if "char-alphabetic?" (seq? (char-alphabetic? #\a) #t)) (pass-if "char-alphabetic?" (seq? (char-alphabetic? #\a) #t))
(pass-if "char-alphabetic? 2" (seq? (char-alphabetic? #\[) #f)) (pass-if "char-alphabetic? 2" (seq? (char-alphabetic? #\[) #f))