diff options
| -rw-r--r-- | COPYING.LIB | 482 | ||||
| -rw-r--r-- | LICENSE.TXT | 9 | ||||
| -rw-r--r-- | README | 11 | ||||
| -rw-r--r-- | modules/language/python/compile.scm | 385 | ||||
| -rw-r--r-- | modules/language/python/parser.scm | 17 | ||||
| -rw-r--r-- | modules/language/python/spec.scm | 48 |
6 files changed, 947 insertions, 5 deletions
diff --git a/COPYING.LIB b/COPYING.LIB new file mode 100644 index 0000000..00751a3 --- /dev/null +++ b/COPYING.LIB @@ -0,0 +1,482 @@ + GNU LIBRARY GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1991 Free Software Foundation, Inc. + 675 Mass Ave, Cambridge, MA 02139, USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the library GPL. It is + numbered 2 because it goes with version 2 of the ordinary GPL.] + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + <signature of Ty Coon>, 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/LICENSE.TXT b/LICENSE.TXT new file mode 100644 index 0000000..4831f4a --- /dev/null +++ b/LICENSE.TXT @@ -0,0 +1,9 @@ +GNU Lesser General Public License (LGPL) version 2 or later + +This is a python compiler framework for guile of a python version made to +interoperate well with guile + +For The rest, COPYING.TXT applies + Copyright (c) Stefan Israelsson Tampe. + +See "COPYING.LIB" for more information about the license. @@ -0,0 +1,11 @@ +In order to use this package one need the stis-parser installed. + +https://gitlab.com/tampe/stis-parser + + +With this you can compile a guile python file to any target from tree-il e.g. + + +stis> ~/src/guile/meta/guild compile test.py --output=test.go --from=python + +... diff --git a/modules/language/python/compile.scm b/modules/language/python/compile.scm new file mode 100644 index 0000000..d634d1b --- /dev/null +++ b/modules/language/python/compile.scm @@ -0,0 +1,385 @@ +(define-module (language python compile) + #:use-module (ice-9 match) + #:use-module (ice-9 pretty-print) + #:export (comp)) + +(define (p x) (pretty-print (syntax->datum x)) x) +(define (pf x) + (define port (open-file "compile.log" "a")) + (with-output-to-port port + (lambda () (pretty-print (syntax->datum x)) x)) + (close port) + x) + +(define (C x) `(@@ (language python compile) ,x)) +(define (G x) `(@ (guile) ,x)) + +(define (union as vs) + (let lp ((as as) (vs vs)) + (match as + ((x . as) + (if (member x vs) + (lp as vs) + (lp as (cons x vs)))) + (() + vs)))) + +(define (diff as vs) + (let lp ((as as) (rs '())) + (match as + ((x . as) + (if (member x vs) + (lp as rs) + (lp as (cons x rs)))) + (() + rs)))) + +(define (get-globals code) + (let lp ((vs (glob code '())) (rs (scope code '()))) + (match vs + ((x . l) + (if (member x rs) + (lp l rs) + (lp l (cons x rs)))) + (() + rs)))) + +(define (glob x vs) + (match x + ((#:global . l) + (let lp ((l l) (vs vs)) + (match l + (((#:identifier v) . l) + (let ((s (string->symbol v))) + (if (member s vs) + (lp l vs) + (lp l (cons s vs))))) + (() + vs)))) + ((x . y) + (glob y (glob x vs))) + (x vs))) + +(define (scope x vs) + (match x + ((#:def (#:identifier f) . _) + (union (list (string->symbol f)) vs)) + ((#:lambdef . _) + vs) + ((#:class . _) + vs) + ((#:global . _) + vs) + ((#:identifier v) + (let ((s (string->symbol v))) + (if (member s vs) + vs + (cons s vs)))) + ((x . y) + (scope y (scope x vs))) + (_ vs))) + +(define (defs x vs) + (match x + ((#:def (#:identifier f) . _) + (union (list (string->symbol f)) vs)) + ((#:lambdef . _) + vs) + ((#:class . _) + vs) + ((#:global . _) + vs) + ((x . y) + (defs y (defs x vs))) + (_ vs))) + +(define (g vs e) + (lambda (x) (e vs x))) + +(define return (make-fluid 'error-return)) + +(define (exp vs x) + (match (p x) + ((#:power (#:identifier x) () . #f) + (string->symbol x)) + + ((#:power x () . #f) + x) + + (((and x (or #:+ #:- #:* #:/)) . l) + (cons (keyword->symbol x) (map (g vs exp) l))) + + ((#:u~ x) + (list 'lognot (exp vs x))) + + ((#:band . l) + (cons 'logand (map (g vs exp) l))) + + ((#:bxor . l) + (cons 'logxor (map (g vs exp) l))) + + ((#:bor . l) + (cons 'logior (map (g vs exp) l))) + + ((#:not x) + (list 'not (exp vs x))) + + ((#:or . x) + (cons 'or (map (g vs exp) x))) + + ((#:and . x) + (cons 'and (map (g vs exp) x))) + + ((#:test e1 #f) + (exp vs e1)) + + ((#:test e1 e2 e3) + (list 'if (exp vs e2) (exp vs e1) (exp vs e3))) + + ((#:suite . l) (cons 'begin (map (g vs exp) l))) + + ((#:try x #f #f fin) + `(dynamic-wind + (lambda () #f) + (lambda () ,(exp vs x)) + (lambda () ,(exp vs fin)))) + + ((#:while test code #f) + (let ((lp (gensym "lp"))) + `(let ,lp () + (if test + (begin + ,(exp vs code) + (,lp)))))) + + ((#:for exp in code #f) + (match (cons exp in) + ((((#:power (#:identifier x) #f . #f)) . + ((#:power (#:identifier 'range) ((arg) #f #f) . #f))) + (let ((v (gensym "v")) + (lp (gensym "lp"))) + `(let ((,v ,(exp arg))) + (let ,lp ((,x 0)) + (if (< ,x ,v) + (begin + ,(exp vs code) + (,lp (+ ,x 1)))))))) + + ((((#:power (#:identifier x) #f . #f)) . + ((#:power (#:identifier 'range) ((arg1 arg2) #f #f) . #f))) + (let ((v1 (gensym "va")) + (v2 (gensym "vb")) + (lp (gensym "lp"))) + `(let ((,v1 ,(exp arg1)) + (,v2 ,(exp arg2))) + (let ,lp ((,x ,v1)) + (if (< ,x ,v2) + (begin + ,(exp vs code) + (,lp (+ ,x 1)))))))) + + ((((#:power (#:identifier x) #f . #f)) . + ((#:power (#:identifier 'range) ((arg1 arg2 arg3) #f #f) . #f))) + (let ((v1 (gensym "va")) + (v2 (gensym "vb")) + (st (gensym "vs")) + (lp (gensym "lp"))) + `(let ((,v1 ,(exp arg1)) + (,st ,(exp arg2)) + (,v2 ,(exp arg3))) + (let ,lp ((,x ,v1)) + (if (< ,x ,v2) + (begin + ,(exp vs code) + (,lp (+ ,x ,st)))))))))) + + + ((#:while test code else) + (let ((lp (gensym "lp"))) + `(let ,lp () + (if test + (begin + ,(exp vs code) + (,lp)) + ,(exp else))))) + + ((#:try x exc else fin) + (define (f x) + (match else + ((#f x) + `(catch #t + (lambda () ,x) + (lambda ,(gensym "x") ,(exp vs x)))))) + + `(dynamic-wind + (lambda () #f) + (lambda () + ,(f + (let lp ((code (exp vs x)) (l (reverse exc))) + (match l + ((((e) c) . l) + (lp `(catch ,(exp vs e) + (lambda () ,code) + (lambda ,(gensym "x") + ,(exp c))) l)) + ((((e . as) c) . l) + (lp `(let ((,as ,(exp vs e))) + (catch ,as + (lambda () ,code) + (lambda ,(gensym "x") + ,(exp vs c))) l))) + (() + code)))) + (lambda () ,(exp vs fin))))) + + ((#:def (#:identifier f) + (#:types-args-list + args + #f) + #f + code) + (let* ((f (string->symbol f)) + (r (gensym "return")) + (as (map (lambda (x) (match x + ((((#:identifier x) . #f) #f) + (string->symbol x)))) + args)) + (vs (union as vs)) + (ns (scope code vs)) + (df (defs code '())) + (ls (diff (diff ns vs) df))) + + `(define (,f ,@as) (,(C 'with-return) ,r + (let ,(map (lambda (x) (list x #f)) ls) + ,(with-fluids ((return r)) + (exp ns code))))))) + + ((#:global . _) + '(values)) + + ((#:lambdef v e) + (list `lambda v (exp vs e))) + + ((#:stmt l) + (if (> (length l) 1) + (cons 'values (map (g vs exp) l)) + (exp vs (car l)))) + + + ((#:expr-stmt (l) (#:assign)) + (exp vs l)) + + ((#:return . x) + `(,(fluid-ref return) ,@(map (g vs exp) x))) + + ((#:expr-stmt + ((#:test (#:power (#:identifier v) () . #f) #f)) + (#:assign (l))) + (let ((s (string->symbol v))) + `(set! ,s ,(exp vs l)))) + + + ((#:comp . l) + (define (tr op x y) + (match op + ((or "<" ">" "<=" ">=") + (list (string->symbol op) x y)) + ("!=" (list 'not (list 'equal? x y))) + ("==" (list 'equal? x y)) + ("is" (list 'eq? x y)) + ("isnot" (list 'not (list 'eq? x y))) + ("in" (list 'member x y)) + ("notin" (list 'not (list 'member x y))) + ("<>" (list 'not (list 'equal? x y))))) + (let lp ((l l)) + (match l + (() + '()) + ((x op y) + (tr op (exp vs x) (exp vs y))) + ((x op . l) + (tr op (exp vs x) (lp vs l)))))))) + +(define (comp x) + (let ((globs (get-globals x))) + `(begin + ,@(map (lambda (s) `(define ,s (values))) globs) + ,@(map (g globs exp) x)))) + +(define-syntax with-return + (lambda (x) + (define (analyze ret x) + (syntax-case x (begin let if) + ((begin a ... b) + #`(begin a ... #,(analyze ret #'b))) + ((let lp v a ... b) + (symbol? (syntax->datum #'lp)) + #`(let lp v a ... #,(analyze ret #'b))) + ((let v a ... b) + #`(let v a ... #,(analyze ret #'b))) + ((if p a b) + #`(if p #,(analyze ret #'a) #,(analyze ret #'b))) + ((if p a) + #`(if p #,(analyze ret #'a))) + ((return a b ...) + (equal? (syntax->datum #'return) (syntax->datum ret)) + (if (eq? #'(b ...) '()) + #'a + #`(values a b ...))) + (x #'x))) + + (define (is-ec ret x tail) + (syntax-case x (begin let) + ((begin a ... b) + #t + (or + (or-map (lambda (x) (is-ec ret x #f)) #'(a ...)) + (is-ec ret #'b tail))) + + ((let lp ((y x) ...) a ... b) + (symbol? (syntax->datum #'lp)) + (or + (or-map (lambda (x) (is-ec ret x #f)) #'(x ...)) + (or-map (lambda (x) (is-ec ret x #f)) #'(a ...)) + (is-ec ret #'b tail))) + + ((let ((y x) ...) a ... b) + #t + (or + (or-map (lambda (x) (is-ec ret x #f)) #'(x ...)) + (or-map (lambda (x) (is-ec ret x #f)) #'(a ...)) + (is-ec ret #'b tail))) + + ((if p a b) + #t + (or + (is-ec ret #'p #f) + (is-ec ret #'a tail) + (is-ec ret #'b tail))) + ((if p a) + #t + (or + (is-ec ret #'p #f) + (is-ec ret #'a tail))) + + ((return a b ...) + (equal? (syntax->datum #'return) (syntax->datum ret)) + (not tail)) + + ((a ...) + #t + (or-map (lambda (x) (is-ec ret x #f)) #'(a ...))) + + (x + #t + #f))) + + (syntax-case x () + ((_ ret l) + (pf (let ((code (analyze #'ret #'l))) + (if (is-ec #'ret #'l #t) + #`(let/ec ret #,code) + code))))))) + + + diff --git a/modules/language/python/parser.scm b/modules/language/python/parser.scm index c7e48c1..55c0d2d 100644 --- a/modules/language/python/parser.scm +++ b/modules/language/python/parser.scm @@ -510,6 +510,7 @@ (f-seq indent= compound_stmt nl) (f-seq (f-or nl f-eof)))) + (set! stmt (f-or 'stmt simple_stmt compound_stmt)) (set! if_stmt @@ -540,7 +541,7 @@ #:for (f-seq "for" (f-cons (Ds exprlist) - (f-seq "in" + (f-seq "in" (f-cons (Ds testlist) (f-cons (f-seq ":" (Ds suite)) (ff? (f-seq "else" ":" (Ds suite)))))))))) @@ -552,7 +553,7 @@ (f-cons (Ds suite) (f-or (f-cons - (ff+ (f-seq (Ds except_clause) ":" (Ds suite))) + (ff+ (f-list (Ds except_clause) ":" (Ds suite))) (f-cons (ff? (f-seq "else" ":" (Ds suite))) (ff? (f-seq "finally" ":" ws (Ds suite))))) @@ -830,13 +831,19 @@ (f-list #:list testlist))) +(define input (f-seq + (ff+ (f-seq (f? ws) + (f-or! (f-seq indent= simple_stmt) + (f-seq indent= compound_stmt nl)))) + + (f-seq (f? ws) (f-or nl f-eof)))) + (define (p str) (with-fluids ((*whitespace* (f* (f-reg "[ \t\r]")))) - (ppp (parse str (f-seq nl single_input))) - (if #f #f))) + (parse str input))) (define (python-parser . l) (with-fluids ((*whitespace* (f* (f-reg "[ \t\r]")))) - (ppp (apply parse (append l (list (f-seq nl single_input))))))) + (ppp (apply parse (append l (list (f-seq nl ws single_input ws))))))) diff --git a/modules/language/python/spec.scm b/modules/language/python/spec.scm new file mode 100644 index 0000000..1389165 --- /dev/null +++ b/modules/language/python/spec.scm @@ -0,0 +1,48 @@ +(define-module (language python spec) + #:use-module (language python parser) + #:use-module (language python compile) + #:use-module (rnrs io ports) + #:use-module (ice-9 pretty-print) + #:use-module (system base compile) + #:use-module (system base language) + #:use-module (language scheme compile-tree-il) + #:use-module (language scheme decompile-tree-il) + #:use-module (ice-9 rdelim) + #:export (python)) + +;;; +;;; Language definition +;;; + +(define (pr . x) (pretty-print x) (car (reverse x))) + +(define (c x) (pr (comp (pr (p (pr x)))))) +(define (cc port x) + (if (equal? x "") (read port) (c x))) + +(define-language python + #:title "python" + #:reader (lambda (port env) + (cc port (read-string port))) + + #:compilers `((tree-il . ,compile-tree-il)) + #:decompilers `((tree-il . ,decompile-tree-il)) + #:evaluator (lambda (x module) (primitive-eval x)) + #:printer write + #:make-default-environment + (lambda () + ;; Ideally we'd duplicate the whole module hierarchy so that `set!', + ;; `fluid-set!', etc. don't have any effect in the current environment. + (let ((m (make-fresh-user-module))) + ;; Provide a separate `current-reader' fluid so that + ;; compile-time changes to `current-reader' are + ;; limited to the current compilation unit. + (module-define! m 'current-reader (make-fluid)) + + ;; Default to `simple-format', as is the case until + ;; (ice-9 format) is loaded. This allows + ;; compile-time warnings to be emitted when using + ;; unsupported options. + (module-set! m 'format simple-format) + + m))) |