HCoop / bpt / emacs.git / blame
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1 | ;;; scheme.by -- Scheme BNF language specification |
| 2 | ||
| ab422c4d | 3 | ;; Copyright (C) 2001-2013 Free Software Foundation, Inc. |
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4 | |
| 5 | ;; This file is part of GNU Emacs. | |
| 6 | ||
| 7 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
| 469d2149 | 8 | ;; it under the terms of the GNU General Public License as published by |
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9 | ;; the Free Software Foundation, either version 3 of the License, or |
| 10 | ;; (at your option) any later version. | |
| 11 | ||
| 12 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
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13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ;; GNU General Public License for more details. | |
| 62f43d66 | 16 | |
| 469d2149 | 17 | ;; You should have received a copy of the GNU General Public License |
| 62f43d66 | 18 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 469d2149 | 19 | |
| f79fbbc7 | 20 | %package semantic-scm-by |
| 62a81506 | 21 | %provide semantic/bovine/scm-by |
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22 | |
| 23 | %languagemode scheme-mode | |
| 24 | %start scheme | |
| 25 | ||
| 26 | %token DEFINE "define" | |
| 27 | %token DEFINE-MODULE "define-module" | |
| 28 | %token LOAD "load" | |
| 29 | ||
| 30 | %put DEFINE summary "Function: (define symbol expression)" | |
| 31 | %put DEFINE-MODULE summary "Function: (define-module (name arg1 ...)) " | |
| 32 | %put LOAD summary "Function: (load \"filename\")" | |
| 33 | ||
| 34 | %token <open-paren> OPENPAREN "(" | |
| 35 | %token <close-paren> CLOSEPAREN ")" | |
| 36 | ||
| 37 | %% | |
| 38 | ||
| 39 | scheme : semantic-list | |
| 40 | (EXPAND $1 scheme-list) | |
| 41 | ; | |
| 42 | ||
| 43 | scheme-list : OPENPAREN scheme-in-list CLOSEPAREN | |
| 44 | ( ,$2 ) | |
| 45 | ; | |
| 46 | ||
| 47 | scheme-in-list: DEFINE symbol expression | |
| 48 | (VARIABLE-TAG $2 nil $3 ) | |
| 49 | | DEFINE name-args opt-doc sequence | |
| 50 | (FUNCTION-TAG (car ,$2) nil (cdr ,$2) ) | |
| 51 | | DEFINE-MODULE name-args | |
| 52 | (PACKAGE-TAG (nth (length $2) $2 ) nil) | |
| 53 | | LOAD string | |
| 54 | (INCLUDE-TAG (file-name-nondirectory (read $2)) (read $2) ) | |
| 55 | | symbol | |
| 56 | (CODE-TAG $1 nil) | |
| 57 | ; | |
| 58 | ||
| 59 | name-args: semantic-list | |
| 60 | (EXPAND $1 name-arg-expand) | |
| 61 | ; | |
| 62 | ||
| 63 | name-arg-expand : open-paren name-arg-expand | |
| 64 | ( ,$2 ) | |
| 65 | | symbol name-arg-expand | |
| 66 | ( ,(cons $1 ,$2) ) | |
| 67 | | ;; EMPTY | |
| 68 | ( ) | |
| 69 | ; | |
| 70 | ||
| 71 | opt-doc : string | |
| 72 | | ;; EMPTY | |
| 73 | ; | |
| 74 | ||
| 75 | sequence : expression sequence | |
| 76 | | expression | |
| 77 | ; | |
| 78 | ||
| 79 | expression : symbol | |
| 80 | | semantic-list | |
| 81 | | string | |
| 82 | | number | |
| 83 | ; | |
| 84 | ||
| 62f43d66 | 85 | ;;; scheme.by ends here |