diff options
Diffstat (limited to 'guix/build/maven/java.scm')
| -rw-r--r-- | guix/build/maven/java.scm | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/guix/build/maven/java.scm b/guix/build/maven/java.scm new file mode 100644 index 0000000000..daa4c88045 --- /dev/null +++ b/guix/build/maven/java.scm @@ -0,0 +1,147 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2019, 2020 Julien Lepiller <julien@lepiller.eu> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix 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. +;;; +;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (guix build maven java) + #:use-module (ice-9 peg) + #:use-module (ice-9 textual-ports) + #:export (parse-java-file)) + +(define-peg-pattern java-file body (and (* WS) (* (and top-level-statement + (* WS))))) +(define-peg-pattern WS none (or " " "\n" "\t" "\r")) +(define-peg-pattern top-level-statement body (or package import-pat class-pat comment inline-comment)) +(define-peg-pattern package all (and (ignore "package") (* WS) package-name + (* WS) (ignore ";"))) +(define-peg-pattern import-pat all (and (ignore "import") (* WS) + (? (and (ignore "static") (* WS))) + package-name + (* WS) (ignore ";"))) +(define-peg-pattern comment all (and (? (and annotation-pat (* WS))) (ignore "/*") + comment-part)) +(define-peg-pattern comment-part body (or (ignore (and (* "*") "/")) + (and (* "*") (+ comment-chr) comment-part))) +(define-peg-pattern comment-chr body (or "\t" "\n" (range #\ #\)) (range #\+ #\xffff))) +(define-peg-pattern inline-comment none (and (ignore "//") (* inline-comment-chr) + (ignore "\n"))) +(define-peg-pattern inline-comment-chr body (range #\ #\xffff)) +(define-peg-pattern package-name body (* (or (range #\a #\z) (range #\A #\Z) + (range #\0 #\9) "_" "."))) +(define-peg-pattern class-pat all (and (? (and annotation-pat (* WS))) + (* (ignore (or inline-comment comment))) + (? (and (ignore "private") (* WS))) + (? (and (ignore "public") (* WS))) + (? (and (ignore "static") (* WS))) + (? (and (ignore "final") (* WS))) + (? (and (ignore "abstract") (* WS))) + (ignore "class") + (* WS) package-name (* WS) + (? extends) + (? implements) + (ignore "{") class-body (ignore "}"))) +(define-peg-pattern extends all (? (and (ignore "extends") (* WS) + package-name (* WS)))) +(define-peg-pattern implements all (? (and (ignore "implements") (* WS) + package-name (* WS)))) +(define-peg-pattern annotation-pat all (and (ignore "@") package-name + (? (and + (* WS) + (ignore "(") (* WS) + annotation-attr (* WS) + (* (and (ignore ",") (* WS) + annotation-attr (* WS))) + (ignore ")"))))) +(define-peg-pattern annotation-attr all (or (and attr-name (* WS) (ignore "=") + (* WS) attr-value (* WS)) + attr-value)) +(define-peg-pattern attr-name all (* (or (range #\a #\z) (range #\A #\Z) (range #\0 #\9) + "_"))) +(define-peg-pattern attr-value all (or "true" "false" + (+ (or (range #\0 #\9) (range #\a #\z) + (range #\A #\Z) "." "_")) + array-pat + string-pat)) +(define-peg-pattern array-pat body + (and (ignore "{") (* WS) value + (* (and (* WS) "," (* WS) value)) + (* WS) (ignore "}"))) +(define-peg-pattern string-pat body (and (ignore "\"") (* string-chr) (ignore "\""))) +(define-peg-pattern string-chr body (or " " "!" (and (ignore "\\") "\"") + (and (ignore "\\") "\\") (range #\# #\xffff))) + +(define-peg-pattern class-body all (and (* WS) (* (and class-statement (* WS))))) +(define-peg-pattern class-statement body (or inline-comment comment param-pat + method-pat class-pat)) +(define-peg-pattern param-pat all (and (* (and annotation-pat (* WS) + (? (ignore inline-comment)) + (* WS))) + (? (and (ignore (or "private" "public" + "protected")) + (* WS))) + (? (and (ignore "static") (* WS))) + (? (and (ignore "volatile") (* WS))) + (? (and (ignore "final") (* WS))) + type-name (* WS) param-name + (? (and (* WS) (ignore "=") (* WS) value)) + (ignore ";"))) +(define-peg-pattern value none (or string-pat (+ valuechr))) +(define-peg-pattern valuechr none (or comment inline-comment "\n" + "\t" "\r" + (range #\ #\:) (range #\< #\xffff))) +(define-peg-pattern param-name all (* (or (range #\a #\z) (range #\A #\Z) (range #\0 #\9) + "_"))) +(define-peg-pattern type-name all type-pat) +(define-peg-pattern type-pat body + (or "?" + (and (* (or (range #\a #\z) (range #\A #\Z) (range #\0 #\9) "_")) + (? "...") + (? "[]") + (? type-param)))) +(define-peg-pattern type-param body (and "<" (? type-pat) + (* (and (* WS) "," (* WS) type-pat)) + (* WS) ">")) +(define-peg-pattern method-pat all (and (* (and annotation-pat (* WS))) + (? (and (ignore (or "private" "public" "protected")) + (* WS))) + (? (and (ignore type-param) (* WS))) + (? (and (ignore (or "abstract" "final")) + (* WS))) + (? (and (ignore "static") (* WS))) + type-name (* WS) param-name (* WS) + (ignore "(") + param-list (ignore ")") (* WS) + (? (and (ignore "throws") (* WS) package-name (* WS) + (* (and (ignore ",") (* WS) package-name + (* WS))))) + (or (ignore ";") + (and (ignore "{") (* WS) + (? (and method-statements (* WS))) + (ignore "}"))))) +(define-peg-pattern param-list all (and (* WS) (* (and (? annotation-pat) (* WS) + type-name (* WS) + param-name (* WS) + (? (ignore ",")) (* WS))))) +(define-peg-pattern method-statements none (and (or (+ method-chr) + (and "{" method-statements "}") + string-pat) + (? method-statements))) +(define-peg-pattern method-chr none (or "\t" "\n" "\r" " " "!" (range #\# #\z) "|" + (range #\~ #\xffff))) + + +(define (parse-java-file file) + (peg:tree (match-pattern java-file (call-with-input-file file get-string-all)))) |