HCoop / bpt / emacs.git / blame
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| 469d2149 CY |
1 | ;;; semantic/bovine/scheme.by -- Scheme BNF language specification |
| 2 | ;; | |
| 3 | ;; Copyright (C) 2001, 2003, 2009 Eric M. Ludlam | |
| 4 | ;; | |
| 5 | ;; Author: Eric M. Ludlam <zappo@gnu.org> | |
| 6 | ;; | |
| 7 | ;; This is free software; you can redistribute it and/or modify | |
| 8 | ;; it under the terms of the GNU General Public License as published by | |
| 9 | ;; the Free Software Foundation; either version 2, or (at your option) | |
| 10 | ;; any later version. | |
| 11 | ;; | |
| 12 | ;; This software is distributed in the hope that it will be useful, | |
| 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. | |
| 16 | ;; | |
| 17 | ;; You should have received a copy of the GNU General Public License | |
| 18 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
| 19 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 20 | ;; Boston, MA 02110-1301, USA. | |
| 21 | ||
| 22 | %package scm-by | |
| 23 | ||
| 24 | %languagemode scheme-mode | |
| 25 | %start scheme | |
| 26 | ||
| 27 | %token DEFINE "define" | |
| 28 | %token DEFINE-MODULE "define-module" | |
| 29 | %token LOAD "load" | |
| 30 | ||
| 31 | %put DEFINE summary "Function: (define symbol expression)" | |
| 32 | %put DEFINE-MODULE summary "Function: (define-module (name arg1 ...)) " | |
| 33 | %put LOAD summary "Function: (load \"filename\")" | |
| 34 | ||
| 35 | %token <open-paren> OPENPAREN "(" | |
| 36 | %token <close-paren> CLOSEPAREN ")" | |
| 37 | ||
| 38 | %% | |
| 39 | ||
| 40 | scheme : semantic-list | |
| 41 | (EXPAND $1 scheme-list) | |
| 42 | ; | |
| 43 | ||
| 44 | scheme-list : OPENPAREN scheme-in-list CLOSEPAREN | |
| 45 | ( ,$2 ) | |
| 46 | ; | |
| 47 | ||
| 48 | scheme-in-list: DEFINE symbol expression | |
| 49 | (VARIABLE-TAG $2 nil $3 ) | |
| 50 | | DEFINE name-args opt-doc sequence | |
| 51 | (FUNCTION-TAG (car ,$2) nil (cdr ,$2) ) | |
| 52 | | DEFINE-MODULE name-args | |
| 53 | (PACKAGE-TAG (nth (length $2) $2 ) nil) | |
| 54 | | LOAD string | |
| 55 | (INCLUDE-TAG (file-name-nondirectory (read $2)) (read $2) ) | |
| 56 | | symbol | |
| 57 | (CODE-TAG $1 nil) | |
| 58 | ; | |
| 59 | ||
| 60 | name-args: semantic-list | |
| 61 | (EXPAND $1 name-arg-expand) | |
| 62 | ; | |
| 63 | ||
| 64 | name-arg-expand : open-paren name-arg-expand | |
| 65 | ( ,$2 ) | |
| 66 | | symbol name-arg-expand | |
| 67 | ( ,(cons $1 ,$2) ) | |
| 68 | | ;; EMPTY | |
| 69 | ( ) | |
| 70 | ; | |
| 71 | ||
| 72 | opt-doc : string | |
| 73 | | ;; EMPTY | |
| 74 | ; | |
| 75 | ||
| 76 | sequence : expression sequence | |
| 77 | | expression | |
| 78 | ; | |
| 79 | ||
| 80 | expression : symbol | |
| 81 | | semantic-list | |
| 82 | | string | |
| 83 | | number | |
| 84 | ; | |
| 85 | ||
| 86 | ;;; semantic/bovine/scheme.by ends here |