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1 | ;;; wisent-grammar.el --- Wisent's input grammar mode |
2 | ||
acaf905b | 3 | ;; Copyright (C) 2002-2012 Free Software Foundation, Inc. |
469d2149 CY |
4 | ;; |
5 | ;; Author: David Ponce <david@dponce.com> | |
6 | ;; Maintainer: David Ponce <david@dponce.com> | |
7 | ;; Created: 26 Aug 2002 | |
8 | ;; Keywords: syntax | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation, either version 3 of the License, or | |
14 | ;; (at your option) any later version. | |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
23 | ||
24 | ;;; Commentary: | |
25 | ;; | |
26 | ;; Major mode for editing Wisent's input grammar (.wy) files. | |
27 | ||
28 | ;;; Code: | |
f79fbbc7 | 29 | (require 'semantic) |
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30 | (require 'semantic/grammar) |
31 | (require 'semantic/find) | |
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32 | (require 'semantic/lex) |
33 | (require 'semantic/wisent) | |
34 | (require 'semantic/bovine) | |
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35 | |
36 | (defsubst wisent-grammar-region-placeholder (symb) | |
37 | "Given a $N placeholder symbol in SYMB, return a $regionN symbol. | |
38 | Return nil if $N is not a valid placeholder symbol." | |
39 | (let ((n (symbol-name symb))) | |
40 | (if (string-match "^[$]\\([1-9][0-9]*\\)$" n) | |
41 | (intern (concat "$region" (match-string 1 n)))))) | |
42 | ||
43 | (defun wisent-grammar-EXPAND (symb nonterm) | |
44 | "Expand call to EXPAND grammar macro. | |
45 | Return the form to parse from within a nonterminal. | |
46 | SYMB is a $I placeholder symbol that gives the bounds of the area to | |
47 | parse. | |
48 | NONTERM is the nonterminal symbol to start with." | |
49 | (unless (member nonterm (semantic-grammar-start)) | |
50 | (error "EXPANDFULL macro called with %s, but not used with %%start" | |
51 | nonterm)) | |
52 | (let (($ri (wisent-grammar-region-placeholder symb))) | |
53 | (if $ri | |
54 | `(semantic-bovinate-from-nonterminal | |
55 | (car ,$ri) (cdr ,$ri) ',nonterm) | |
56 | (error "Invalid form (EXPAND %s %s)" symb nonterm)))) | |
57 | ||
58 | (defun wisent-grammar-EXPANDFULL (symb nonterm) | |
59 | "Expand call to EXPANDFULL grammar macro. | |
60 | Return the form to recursively parse an area. | |
61 | SYMB is a $I placeholder symbol that gives the bounds of the area. | |
62 | NONTERM is the nonterminal symbol to start with." | |
63 | (unless (member nonterm (semantic-grammar-start)) | |
64 | (error "EXPANDFULL macro called with %s, but not used with %%start" | |
65 | nonterm)) | |
66 | (let (($ri (wisent-grammar-region-placeholder symb))) | |
67 | (if $ri | |
68 | `(semantic-parse-region | |
69 | (car ,$ri) (cdr ,$ri) ',nonterm 1) | |
70 | (error "Invalid form (EXPANDFULL %s %s)" symb nonterm)))) | |
71 | ||
72 | (defun wisent-grammar-TAG (name class &rest attributes) | |
73 | "Expand call to TAG grammar macro. | |
74 | Return the form to create a generic semantic tag. | |
75 | See the function `semantic-tag' for the meaning of arguments NAME, | |
76 | CLASS and ATTRIBUTES." | |
77 | `(wisent-raw-tag | |
78 | (semantic-tag ,name ,class ,@attributes))) | |
79 | ||
80 | (defun wisent-grammar-VARIABLE-TAG (name type default-value &rest attributes) | |
81 | "Expand call to VARIABLE-TAG grammar macro. | |
82 | Return the form to create a semantic tag of class variable. | |
83 | See the function `semantic-tag-new-variable' for the meaning of | |
84 | arguments NAME, TYPE, DEFAULT-VALUE and ATTRIBUTES." | |
85 | `(wisent-raw-tag | |
86 | (semantic-tag-new-variable ,name ,type ,default-value ,@attributes))) | |
87 | ||
88 | (defun wisent-grammar-FUNCTION-TAG (name type arg-list &rest attributes) | |
89 | "Expand call to FUNCTION-TAG grammar macro. | |
90 | Return the form to create a semantic tag of class function. | |
91 | See the function `semantic-tag-new-function' for the meaning of | |
92 | arguments NAME, TYPE, ARG-LIST and ATTRIBUTES." | |
93 | `(wisent-raw-tag | |
94 | (semantic-tag-new-function ,name ,type ,arg-list ,@attributes))) | |
95 | ||
96 | (defun wisent-grammar-TYPE-TAG (name type members parents &rest attributes) | |
97 | "Expand call to TYPE-TAG grammar macro. | |
98 | Return the form to create a semantic tag of class type. | |
99 | See the function `semantic-tag-new-type' for the meaning of arguments | |
100 | NAME, TYPE, MEMBERS, PARENTS and ATTRIBUTES." | |
101 | `(wisent-raw-tag | |
102 | (semantic-tag-new-type ,name ,type ,members ,parents ,@attributes))) | |
103 | ||
104 | (defun wisent-grammar-INCLUDE-TAG (name system-flag &rest attributes) | |
105 | "Expand call to INCLUDE-TAG grammar macro. | |
106 | Return the form to create a semantic tag of class include. | |
107 | See the function `semantic-tag-new-include' for the meaning of | |
108 | arguments NAME, SYSTEM-FLAG and ATTRIBUTES." | |
109 | `(wisent-raw-tag | |
110 | (semantic-tag-new-include ,name ,system-flag ,@attributes))) | |
111 | ||
112 | (defun wisent-grammar-PACKAGE-TAG (name detail &rest attributes) | |
113 | "Expand call to PACKAGE-TAG grammar macro. | |
114 | Return the form to create a semantic tag of class package. | |
115 | See the function `semantic-tag-new-package' for the meaning of | |
116 | arguments NAME, DETAIL and ATTRIBUTES." | |
117 | `(wisent-raw-tag | |
118 | (semantic-tag-new-package ,name ,detail ,@attributes))) | |
119 | ||
120 | (defun wisent-grammar-CODE-TAG (name detail &rest attributes) | |
121 | "Expand call to CODE-TAG grammar macro. | |
122 | Return the form to create a semantic tag of class code. | |
123 | See the function `semantic-tag-new-code' for the meaning of arguments | |
124 | NAME, DETAIL and ATTRIBUTES." | |
125 | `(wisent-raw-tag | |
126 | (semantic-tag-new-code ,name ,detail ,@attributes))) | |
127 | ||
128 | (defun wisent-grammar-ALIAS-TAG (name aliasclass definition &rest attributes) | |
129 | "Expand call to ALIAS-TAG grammar macro. | |
130 | Return the form to create a semantic tag of class alias. | |
131 | See the function `semantic-tag-new-alias' for the meaning of arguments | |
132 | NAME, ALIASCLASS, DEFINITION and ATTRIBUTES." | |
133 | `(wisent-raw-tag | |
134 | (semantic-tag-new-alias ,name ,aliasclass ,definition ,@attributes))) | |
135 | ||
136 | (defun wisent-grammar-EXPANDTAG (raw-tag) | |
137 | "Expand call to EXPANDTAG grammar macro. | |
138 | Return the form to produce a list of cooked tags from raw form of | |
139 | Semantic tag RAW-TAG." | |
140 | `(wisent-cook-tag ,raw-tag)) | |
141 | ||
142 | (defun wisent-grammar-AST-ADD (ast &rest nodes) | |
143 | "Expand call to AST-ADD grammar macro. | |
144 | Return the form to update the abstract syntax tree AST with NODES. | |
145 | See also the function `semantic-ast-add'." | |
146 | `(semantic-ast-add ,ast ,@nodes)) | |
147 | ||
148 | (defun wisent-grammar-AST-PUT (ast &rest nodes) | |
149 | "Expand call to AST-PUT grammar macro. | |
150 | Return the form to update the abstract syntax tree AST with NODES. | |
151 | See also the function `semantic-ast-put'." | |
152 | `(semantic-ast-put ,ast ,@nodes)) | |
153 | ||
154 | (defun wisent-grammar-AST-GET (ast node) | |
155 | "Expand call to AST-GET grammar macro. | |
156 | Return the form to get, from the abstract syntax tree AST, the value | |
157 | of NODE. | |
158 | See also the function `semantic-ast-get'." | |
159 | `(semantic-ast-get ,ast ,node)) | |
160 | ||
161 | (defun wisent-grammar-AST-GET1 (ast node) | |
162 | "Expand call to AST-GET1 grammar macro. | |
163 | Return the form to get, from the abstract syntax tree AST, the first | |
164 | value of NODE. | |
165 | See also the function `semantic-ast-get1'." | |
166 | `(semantic-ast-get1 ,ast ,node)) | |
167 | ||
168 | (defun wisent-grammar-AST-GET-STRING (ast node) | |
169 | "Expand call to AST-GET-STRING grammar macro. | |
170 | Return the form to get, from the abstract syntax tree AST, the value | |
171 | of NODE as a string. | |
172 | See also the function `semantic-ast-get-string'." | |
173 | `(semantic-ast-get-string ,ast ,node)) | |
174 | ||
175 | (defun wisent-grammar-AST-MERGE (ast1 ast2) | |
176 | "Expand call to AST-MERGE grammar macro. | |
177 | Return the form to merge the abstract syntax trees AST1 and AST2. | |
178 | See also the function `semantic-ast-merge'." | |
179 | `(semantic-ast-merge ,ast1 ,ast2)) | |
180 | ||
181 | (defun wisent-grammar-SKIP-BLOCK (&optional symb) | |
182 | "Expand call to SKIP-BLOCK grammar macro. | |
183 | Return the form to skip a parenthesized block. | |
184 | Optional argument SYMB is a $I placeholder symbol that gives the | |
185 | bounds of the block to skip. By default, skip the block at `$1'. | |
186 | See also the function `wisent-skip-block'." | |
187 | (let ($ri) | |
188 | (when symb | |
189 | (unless (setq $ri (wisent-grammar-region-placeholder symb)) | |
190 | (error "Invalid form (SKIP-BLOCK %s)" symb))) | |
191 | `(wisent-skip-block ,$ri))) | |
192 | ||
193 | (defun wisent-grammar-SKIP-TOKEN () | |
194 | "Expand call to SKIP-TOKEN grammar macro. | |
195 | Return the form to skip the lookahead token. | |
196 | See also the function `wisent-skip-token'." | |
197 | `(wisent-skip-token)) | |
198 | ||
199 | (defun wisent-grammar-assocs () | |
200 | "Return associativity and precedence level definitions." | |
201 | (mapcar | |
202 | #'(lambda (tag) | |
203 | (cons (intern (semantic-tag-name tag)) | |
204 | (mapcar #'semantic-grammar-item-value | |
205 | (semantic-tag-get-attribute tag :value)))) | |
206 | (semantic-find-tags-by-class 'assoc (current-buffer)))) | |
207 | ||
208 | (defun wisent-grammar-terminals () | |
209 | "Return the list of terminal symbols. | |
210 | Keep order of declaration in the WY file without duplicates." | |
211 | (let (terms) | |
212 | (mapcar | |
213 | #'(lambda (tag) | |
214 | (mapcar #'(lambda (name) | |
215 | (add-to-list 'terms (intern name))) | |
216 | (cons (semantic-tag-name tag) | |
217 | (semantic-tag-get-attribute tag :rest)))) | |
218 | (semantic--find-tags-by-function | |
219 | #'(lambda (tag) | |
220 | (memq (semantic-tag-class tag) '(token keyword))) | |
221 | (current-buffer))) | |
222 | (nreverse terms))) | |
223 | ||
224 | ;; Cache of macro definitions currently in use. | |
225 | (defvar wisent--grammar-macros nil) | |
226 | ||
227 | (defun wisent-grammar-expand-macros (expr) | |
228 | "Expand expression EXPR into a form without grammar macros. | |
229 | Return the expanded expression." | |
230 | (if (or (atom expr) (semantic-grammar-quote-p (car expr))) | |
231 | expr ;; Just return atom or quoted expression. | |
232 | (let* ((expr (mapcar 'wisent-grammar-expand-macros expr)) | |
233 | (macro (assq (car expr) wisent--grammar-macros))) | |
234 | (if macro ;; Expand Semantic built-in. | |
235 | (apply (cdr macro) (cdr expr)) | |
236 | expr)))) | |
237 | ||
238 | (defun wisent-grammar-nonterminals () | |
239 | "Return the list form of nonterminal definitions." | |
240 | (let ((nttags (semantic-find-tags-by-class | |
241 | 'nonterminal (current-buffer))) | |
242 | ;; Setup the cache of macro definitions. | |
243 | (wisent--grammar-macros (semantic-grammar-macros)) | |
244 | rltags nterms rules rule elems elem actn sexp prec) | |
245 | (while nttags | |
246 | (setq rltags (semantic-tag-components (car nttags)) | |
247 | rules nil) | |
248 | (while rltags | |
249 | (setq elems (semantic-tag-get-attribute (car rltags) :value) | |
250 | prec (semantic-tag-get-attribute (car rltags) :prec) | |
251 | actn (semantic-tag-get-attribute (car rltags) :expr) | |
252 | rule nil) | |
253 | (when elems ;; not an EMPTY rule | |
254 | (while elems | |
255 | (setq elem (car elems) | |
256 | elems (cdr elems)) | |
257 | (setq elem (if (consp elem) ;; mid-rule action | |
258 | (wisent-grammar-expand-macros (read (car elem))) | |
259 | (semantic-grammar-item-value elem)) ;; item | |
260 | rule (cons elem rule))) | |
261 | (setq rule (nreverse rule))) | |
262 | (if prec | |
263 | (setq prec (vector (semantic-grammar-item-value prec)))) | |
264 | (if actn | |
265 | (setq sexp (wisent-grammar-expand-macros (read actn)))) | |
266 | (setq rule (if actn | |
267 | (if prec | |
268 | (list rule prec sexp) | |
269 | (list rule sexp)) | |
270 | (if prec | |
271 | (list rule prec) | |
272 | (list rule)))) | |
273 | (setq rules (cons rule rules) | |
274 | rltags (cdr rltags))) | |
275 | (setq nterms (cons (cons (intern (semantic-tag-name (car nttags))) | |
276 | (nreverse rules)) | |
277 | nterms) | |
278 | nttags (cdr nttags))) | |
279 | (nreverse nterms))) | |
280 | ||
281 | (defun wisent-grammar-grammar () | |
282 | "Return Elisp form of the grammar." | |
283 | (let* ((terminals (wisent-grammar-terminals)) | |
284 | (nonterminals (wisent-grammar-nonterminals)) | |
285 | (assocs (wisent-grammar-assocs))) | |
286 | (cons terminals (cons assocs nonterminals)))) | |
287 | ||
288 | (defun wisent-grammar-parsetable-builder () | |
289 | "Return the value of the parser table." | |
290 | `(progn | |
291 | ;; Ensure that the grammar [byte-]compiler is available. | |
292 | (eval-when-compile (require 'semantic/wisent/comp)) | |
293 | (wisent-compile-grammar | |
294 | ',(wisent-grammar-grammar) | |
295 | ',(semantic-grammar-start)))) | |
296 | ||
297 | (defun wisent-grammar-setupcode-builder () | |
298 | "Return the parser setup code." | |
299 | (format | |
300 | "(semantic-install-function-overrides\n\ | |
301 | '((parse-stream . wisent-parse-stream)))\n\ | |
302 | (setq semantic-parser-name \"LALR\"\n\ | |
303 | semantic--parse-table %s\n\ | |
304 | semantic-debug-parser-source %S\n\ | |
305 | semantic-flex-keywords-obarray %s\n\ | |
306 | semantic-lex-types-obarray %s)\n\ | |
307 | ;; Collect unmatched syntax lexical tokens\n\ | |
308 | (semantic-make-local-hook 'wisent-discarding-token-functions)\n\ | |
309 | (add-hook 'wisent-discarding-token-functions\n\ | |
310 | 'wisent-collect-unmatched-syntax nil t)" | |
311 | (semantic-grammar-parsetable) | |
312 | (buffer-name) | |
313 | (semantic-grammar-keywordtable) | |
314 | (semantic-grammar-tokentable))) | |
315 | ||
316 | (defvar wisent-grammar-menu | |
317 | '("WY Grammar" | |
318 | ["LALR Compiler Verbose" wisent-toggle-verbose-flag | |
319 | :style toggle :active (boundp 'wisent-verbose-flag) | |
320 | :selected (and (boundp 'wisent-verbose-flag) | |
321 | wisent-verbose-flag)] | |
322 | ) | |
323 | "WY mode specific grammar menu. | |
324 | Menu items are appended to the common grammar menu.") | |
325 | ||
326 | (define-derived-mode wisent-grammar-mode semantic-grammar-mode "WY" | |
327 | "Major mode for editing Wisent grammars." | |
328 | (semantic-grammar-setup-menu wisent-grammar-menu) | |
329 | (semantic-install-function-overrides | |
330 | '((grammar-parsetable-builder . wisent-grammar-parsetable-builder) | |
331 | (grammar-setupcode-builder . wisent-grammar-setupcode-builder) | |
332 | ))) | |
333 | ||
509c74bd | 334 | (add-to-list 'auto-mode-alist '("\\.wy\\'" . wisent-grammar-mode)) |
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335 | |
336 | (defvar-mode-local wisent-grammar-mode semantic-grammar-macros | |
337 | '( | |
338 | (ASSOC . semantic-grammar-ASSOC) | |
339 | (EXPAND . wisent-grammar-EXPAND) | |
340 | (EXPANDFULL . wisent-grammar-EXPANDFULL) | |
341 | (TAG . wisent-grammar-TAG) | |
342 | (VARIABLE-TAG . wisent-grammar-VARIABLE-TAG) | |
343 | (FUNCTION-TAG . wisent-grammar-FUNCTION-TAG) | |
344 | (TYPE-TAG . wisent-grammar-TYPE-TAG) | |
345 | (INCLUDE-TAG . wisent-grammar-INCLUDE-TAG) | |
346 | (PACKAGE-TAG . wisent-grammar-PACKAGE-TAG) | |
347 | (EXPANDTAG . wisent-grammar-EXPANDTAG) | |
348 | (CODE-TAG . wisent-grammar-CODE-TAG) | |
349 | (ALIAS-TAG . wisent-grammar-ALIAS-TAG) | |
350 | (AST-ADD . wisent-grammar-AST-ADD) | |
351 | (AST-PUT . wisent-grammar-AST-PUT) | |
352 | (AST-GET . wisent-grammar-AST-GET) | |
353 | (AST-GET1 . wisent-grammar-AST-GET1) | |
354 | (AST-GET-STRING . wisent-grammar-AST-GET-STRING) | |
355 | (AST-MERGE . wisent-grammar-AST-MERGE) | |
356 | (SKIP-BLOCK . wisent-grammar-SKIP-BLOCK) | |
357 | (SKIP-TOKEN . wisent-grammar-SKIP-TOKEN) | |
358 | ) | |
359 | "Semantic grammar macros used in wisent grammars.") | |
360 | ||
78adbf9c CY |
361 | (defvar wisent-make-parsers--emacs-license |
362 | ";; This file is part of GNU Emacs. | |
363 | ||
364 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
365 | ;; it under the terms of the GNU General Public License as published by | |
366 | ;; the Free Software Foundation, either version 3 of the License, or | |
367 | ;; (at your option) any later version. | |
368 | ||
369 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
370 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
371 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
372 | ;; GNU General Public License for more details. | |
373 | ||
374 | ;; You should have received a copy of the GNU General Public License | |
375 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.") | |
376 | ||
377 | (defvar wisent-make-parsers--python-license | |
378 | ";; It is derived in part from the Python grammar, used under the | |
379 | ;; following license: | |
380 | ;; | |
381 | ;; PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2 | |
382 | ;; -------------------------------------------- | |
383 | ;; 1. This LICENSE AGREEMENT is between the Python Software Foundation | |
384 | ;; (\"PSF\"), and the Individual or Organization (\"Licensee\") accessing | |
385 | ;; and otherwise using this software (\"Python\") in source or binary | |
386 | ;; form and its associated documentation. | |
387 | ;; | |
388 | ;; 2. Subject to the terms and conditions of this License Agreement, | |
389 | ;; PSF hereby grants Licensee a nonexclusive, royalty-free, world-wide | |
390 | ;; license to reproduce, analyze, test, perform and/or display | |
391 | ;; publicly, prepare derivative works, distribute, and otherwise use | |
392 | ;; Python alone or in any derivative version, provided, however, that | |
393 | ;; PSF's License Agreement and PSF's notice of copyright, i.e., | |
394 | ;; \"Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, | |
395 | ;; 2009, 2010 Python Software Foundation; All Rights Reserved\" are | |
396 | ;; retained in Python alone or in any derivative version prepared by | |
397 | ;; Licensee. | |
398 | ;; | |
399 | ;; 3. In the event Licensee prepares a derivative work that is based | |
400 | ;; on or incorporates Python or any part thereof, and wants to make | |
401 | ;; the derivative work available to others as provided herein, then | |
402 | ;; Licensee hereby agrees to include in any such work a brief summary | |
403 | ;; of the changes made to Python. | |
404 | ;; | |
405 | ;; 4. PSF is making Python available to Licensee on an \"AS IS\" | |
406 | ;; basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR | |
407 | ;; IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND | |
408 | ;; DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS | |
409 | ;; FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT | |
410 | ;; INFRINGE ANY THIRD PARTY RIGHTS. | |
411 | ;; | |
412 | ;; 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON | |
413 | ;; FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS A | |
414 | ;; RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON, OR | |
415 | ;; ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. | |
416 | ;; | |
417 | ;; 6. This License Agreement will automatically terminate upon a | |
418 | ;; material breach of its terms and conditions. | |
419 | ;; | |
420 | ;; 7. Nothing in this License Agreement shall be deemed to create any | |
421 | ;; relationship of agency, partnership, or joint venture between PSF | |
422 | ;; and Licensee. This License Agreement does not grant permission to | |
423 | ;; use PSF trademarks or trade name in a trademark sense to endorse or | |
424 | ;; promote products or services of Licensee, or any third party. | |
425 | ;; | |
426 | ;; 8. By copying, installing or otherwise using Python, Licensee | |
427 | ;; agrees to be bound by the terms and conditions of this License | |
428 | ;; Agreement.") | |
429 | ||
430 | (defvar wisent-make-parsers--ecmascript-license | |
431 | "\n;; It is derived from the grammar in the ECMAScript Language | |
432 | ;; Specification published at | |
433 | ;; | |
434 | ;; http://www.ecma-international.org/publications/standards/Ecma-262.htm | |
435 | ;; | |
436 | ;; and redistributed under the following license: | |
437 | ;; | |
438 | ;; Redistribution and use in source and binary forms, with or without | |
439 | ;; modification, are permitted provided that the following conditions | |
440 | ;; are met: | |
441 | ;; | |
442 | ;; 1. Redistributions of source code must retain the above copyright | |
443 | ;; notice, this list of conditions and the following disclaimer. | |
444 | ;; | |
445 | ;; 2. Redistributions in binary form must reproduce the above | |
446 | ;; copyright notice, this list of conditions and the following | |
447 | ;; disclaimer in the documentation and/or other materials provided | |
448 | ;; with the distribution. | |
449 | ;; | |
450 | ;; 3. Neither the name of the authors nor Ecma International may be | |
451 | ;; used to endorse or promote products derived from this software | |
452 | ;; without specific prior written permission. THIS SOFTWARE IS | |
453 | ;; PROVIDED BY THE ECMA INTERNATIONAL \"AS IS\" AND ANY EXPRESS OR | |
454 | ;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
455 | ;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
456 | ;; ARE DISCLAIMED. IN NO EVENT SHALL ECMA INTERNATIONAL BE LIABLE FOR | |
457 | ;; ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
458 | ;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
459 | ;; OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
460 | ;; BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
461 | ;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
462 | ;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
463 | ;; USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | |
464 | ;; DAMAGE.") | |
465 | ||
466 | (defvar wisent-make-parsers--parser-file-name | |
467 | `(("semantic-grammar-wy.el" | |
468 | "semantic/grammar-wy") | |
469 | ("srecode-template-wy.el" | |
470 | "srecode/srt-wy") | |
471 | ("wisent-javascript-jv-wy.el" | |
472 | "semantic/wisent/js-wy" | |
473 | "Copyright (C) 1998-2011 Ecma International" | |
474 | ,wisent-make-parsers--ecmascript-license) | |
475 | ("wisent-java-tags-wy.el" | |
476 | "semantic/wisent/javat-wy") | |
477 | ("wisent-python-wy.el" | |
478 | "semantic/wisent/python-wy" | |
479 | "Copyright (C) 2001-2010 Python Software Foundation" | |
480 | ,wisent-make-parsers--python-license))) | |
481 | ||
482 | (defun wisent-make-parsers () | |
483 | "Generate Emacs' built-in Wisent-based parser files." | |
484 | (semantic-mode 1) | |
485 | ;; Loop through each .wy file in current directory, and run | |
486 | ;; `semantic-grammar-batch-build-one-package' to build the grammar. | |
509c74bd | 487 | (dolist (f (directory-files default-directory nil "\\.wy\\'")) |
78adbf9c CY |
488 | (let ((packagename |
489 | (condition-case err | |
490 | (with-current-buffer (find-file-noselect f) | |
491 | (semantic-grammar-create-package)) | |
492 | (error (message "%s" (error-message-string err)) nil))) | |
493 | output-data) | |
494 | (when (setq output-data (assoc packagename wisent-make-parsers--parser-file-name)) | |
495 | (let ((require-name (nth 1 output-data)) | |
496 | (additional-copyright (nth 2 output-data)) | |
497 | (additional-license (nth 3 output-data)) | |
498 | copyright-end) | |
499 | ;; Touch up the generated parsers for Emacs integration. | |
500 | (with-temp-buffer | |
501 | (insert-file-contents packagename) | |
502 | ;; Fix copyright header: | |
503 | (goto-char (point-min)) | |
504 | (when additional-copyright | |
505 | (re-search-forward "Copyright (C).*$") | |
506 | (insert "\n;; " additional-copyright)) | |
507 | (re-search-forward "^;; Author:") | |
508 | (setq copyright-end (match-beginning 0)) | |
509 | (re-search-forward "^;;; Code:\n") | |
510 | (delete-region copyright-end (match-end 0)) | |
511 | (goto-char copyright-end) | |
512 | (insert wisent-make-parsers--emacs-license) | |
513 | (insert "\n\n;;; Commentary: | |
514 | ;; | |
515 | ;; This file was generated from admin/grammars/" | |
516 | f ".") | |
517 | (when additional-license | |
518 | (insert "\n" additional-license)) | |
519 | (insert "\n\n;;; Code:\n | |
520 | \(require 'semantic/lex)\n") | |
521 | (goto-char (point-min)) | |
522 | (delete-region (point-min) (line-end-position)) | |
523 | (insert ";;; " require-name | |
524 | ".el --- Generated parser support file") | |
525 | (delete-trailing-whitespace) | |
526 | (re-search-forward ";;\n(require 'semantic/lex)\n") | |
527 | (delete-region (match-beginning 0) (match-end 0)) | |
528 | ;; Fix footer: | |
529 | (goto-char (point-max)) | |
530 | (re-search-backward "^(provide") | |
531 | (delete-region (match-beginning 0) (point-max)) | |
532 | (goto-char (point-max)) | |
533 | (insert "(provide '" require-name ")\n\n") | |
534 | (insert ";;; " require-name ".el ends here\n") | |
535 | (write-region nil nil (expand-file-name packagename)))))))) | |
536 | ||
469d2149 | 537 | ;;; wisent-grammar.el ends here |