зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.9 KiB
Common Lisp
66 строки
1.9 KiB
Common Lisp
(progn
|
|
(defparameter *waw*
|
|
(generate-world
|
|
"WA"
|
|
'((lexer writable-action-lexer
|
|
:lalr-1
|
|
:main
|
|
((:digit (#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9)
|
|
((value $digit-value))))
|
|
(($digit-value integer digit-value digit-char-36)))
|
|
|
|
(%charclass :digit)
|
|
|
|
(deftype semantic-exception integer)
|
|
|
|
(defvar g integer 0)
|
|
|
|
(rule :expr ((serial-num (writable-cell integer)) (walk (-> () void)) (value (-> () (vector integer))))
|
|
(production :expr (:digit) expr-digit
|
|
((walk)
|
|
(<- g (+ g 1))
|
|
(action<- (serial-num :expr 0) g))
|
|
((value)
|
|
(return (vector (+ (* 10 (serial-num :expr 0)) (value :digit))))))
|
|
(production :expr (:digit :expr) expr-more
|
|
((walk)
|
|
((walk :expr))
|
|
(<- g (+ g 1))
|
|
(action<- (serial-num :expr 0) g))
|
|
((value)
|
|
(const i integer (+ (* 10 (serial-num :expr 0)) (value :digit)))
|
|
(return (append (vector i) ((value :expr)))))))
|
|
|
|
(rule :main ((value (vector integer)))
|
|
(production :main (:expr) main-expr
|
|
(value (begin
|
|
((walk :expr))
|
|
(return ((value :expr)))))))
|
|
(%print-actions)
|
|
)))
|
|
|
|
(defparameter *wal* (world-lexer *waw* 'writable-action-lexer))
|
|
(defparameter *wag* (lexer-grammar *wal*)))
|
|
|
|
#|
|
|
(depict-rtf-to-local-file
|
|
"Test/WritableActionSemantics.rtf"
|
|
"Writable Action Semantics"
|
|
#'(lambda (rtf-stream)
|
|
(depict-world-commands rtf-stream *waw* :heading-offset 1)))
|
|
|
|
(depict-html-to-local-file
|
|
"Test/WritableActionSemantics.html"
|
|
"Writable Action Semantics"
|
|
t
|
|
#'(lambda (html-stream)
|
|
(depict-world-commands html-stream *waw* :heading-offset 1))
|
|
:external-link-base "")
|
|
|
|
|
|
(lexer-pparse *wal* "7")
|
|
(lexer-pparse *wal* "7500")
|
|
|#
|
|
|
|
(length (grammar-states *wag*))
|