Annotation of OpenXM_contrib2/windows/post-msg-asirgui/asir-mode.el, Revision 1.14
1.1 takayama 1: ;; -*- mode: emacs-lisp -*-
2: ;;
3: ;; asir-mode.el -- asir mode
4: ;;
1.14 ! ohara 5: ;; $OpenXM: OpenXM_contrib2/windows/post-msg-asirgui/asir-mode.el,v 1.13 2013/11/27 17:18:07 ohara Exp $
1.10 takayama 6:
1.1 takayama 7: ;; This program 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 3 of the License, or
10: ;; (at your option) any later version.
1.12 ohara 11:
1.10 takayama 12: ;; 1. Install
13: ;;
14: ;; **(for Windows) Write the following configuration to your .emacs file.
15: ;;
16: ;; (setq load-path (append load-path '((concat (getenv "ASIR_ROOTDIR") "/share/editor"))))
17: ;; (setq auto-mode-alist (cons '("\\.rr$" . asir-mode) auto-mode-alist))
18: ;; (autoload 'asir-mode "asir-mode" "Asir mode" t)
19: ;;
20: ;; **(for unix) Copy this file to your emacs site-lisp folder and
21: ;; write the following configuration to your .emacs file.
22: ;;
23: ;; (setq auto-mode-alist (cons '("\\.rr$" . asir-mode) auto-mode-alist))
24: ;; (autoload 'asir-mode "asir-mode" "Asir mode" t)
25: ;;
26: ;; Please run byte-compile for speed up.
27: ;;
28: ;; 2. Use
29: ;;
30: ;; If you open Risa/Asir source file (*.rr) by emacs, then asir-mode starts up automatically.
31: ;; The following key binding can be used:
32: ;; C-c s Asir starts up in another window.
33: ;; C-c t Asir terminates.
1.13 ohara 34: ;; C-c a Abort current calculation.
1.10 takayama 35: ;; C-c l The current buffer is loaded to Asir as a file.
36: ;; C-c r Selected region is loaded to Asir as a file.
37: ;; C-c p Selected region is pasted to Asir.
38:
39: (require 'shell)
1.14 ! ohara 40: (require 'cl)
1.1 takayama 41:
1.9 takayama 42: ;;;; AsirGUI for Windows
1.10 takayama 43: (defvar asir-exec-path '("~/Desktop/asir/bin" "c:/Program Files/asir/bin" "c:/Program Files (x64)/asir/bin" "c:/asir/bin")
44: "Default search path for asir binary in Windows")
1.1 takayama 45:
1.10 takayama 46: (defun asir-effective-exec-path ()
1.1 takayama 47: "Search path for command"
48: (let* ((dir (getenv "ASIR_ROOTDIR"))
1.10 takayama 49: (path (append asir-exec-path exec-path)))
50: (if dir (cons (concat dir "/bin") path) path)))
1.1 takayama 51:
1.10 takayama 52: (defun asir-executable-find (command)
1.1 takayama 53: "Search for command"
54: (let* ((exec-path (asir-effective-exec-path)))
1.10 takayama 55: (executable-find command)))
56:
57: ;;;; Asir for UNIX
58: (defvar asir-cmd-buffer-name "*asir-cmd*")
59:
60: (defun asir-cmd-load (filename)
61: "Send `load' command to running asir process"
62: (if (eq system-type 'windows-nt)
63: (let ((exec-path (asir-effective-exec-path)))
64: (start-process "asir-proc-cmdasir" nil "cmdasir" filename))
65: (save-excursion
66: (if (get-buffer asir-cmd-buffer-name)
67: (progn
68: (set-buffer asir-cmd-buffer-name)
69: (goto-char (point-max))
70: (insert (format "load(\"%s\");" filename))
71: (comint-send-input))))))
72:
73: (defun asir-start ()
74: "Start asir process"
75: (interactive)
76: (if (eq system-type 'windows-nt)
77: ;; for Windows
78: (let ((exec-path (asir-effective-exec-path)))
79: (start-process "asir-proc-asirgui" nil "asirgui"))
80: ;; for UNIX
81: (save-excursion
82: (if (not (get-buffer asir-cmd-buffer-name))
83: (let ((current-frame (selected-frame)))
84: (if window-system
85: (progn
86: (select-frame (make-frame))
87: (shell (get-buffer-create asir-cmd-buffer-name)) ;; Switch to new buffer automatically
88: (delete-other-windows))
89: (if (>= emacs-major-version 24)
90: (progn
91: (split-window)
92: (other-window -1)))
93: (shell (get-buffer-create asir-cmd-buffer-name)))
94: (sleep-for 1)
95: (goto-char (point-max))
96: (insert "asir")
97: (comint-send-input)
98: (select-frame current-frame))))))
1.1 takayama 99:
1.10 takayama 100: (defun asir-terminate ()
101: "Terminate asir process"
1.1 takayama 102: (interactive)
1.10 takayama 103: (if (eq system-type 'windows-nt)
104: ;; for Windows
105: (let ((exec-path (asir-effective-exec-path)))
106: (start-process "asir-proc-cmdasir" nil "cmdasir" "--quit"))
107: ;; for UNIX
108: (if (get-buffer asir-cmd-buffer-name)
109: (if (not window-system)
110: (let ((asir-cmd-window (get-buffer-window asir-cmd-buffer-name)))
111: (and (kill-buffer asir-cmd-buffer-name)
112: (or (not asir-cmd-window) (delete-window asir-cmd-window))))
113: (let ((asir-cmd-frame (window-frame (get-buffer-window asir-cmd-buffer-name 0))))
114: (and (kill-buffer asir-cmd-buffer-name)
115: (delete-frame asir-cmd-frame)))))))
1.1 takayama 116:
1.10 takayama 117: (defun asir-execute-current-buffer ()
118: "Execute current buffer on asir"
1.1 takayama 119: (interactive)
1.9 takayama 120: (let ((exec-path (asir-effective-exec-path)))
1.10 takayama 121: (asir-cmd-load (buffer-file-name))))
1.1 takayama 122:
1.10 takayama 123: (defun asir-execute-region ()
124: "Execute region on asir"
1.1 takayama 125: (interactive)
1.10 takayama 126: (if mark-active
127: (save-excursion
128: (let ((temp-file (make-temp-file (format "%s/cmdasir-" (or (getenv "TEMP") "/var/tmp"))))
129: (temp-buffer (generate-new-buffer " *asir-temp*")))
130: (write-region (region-beginning) (region-end) temp-file)
131: (set-buffer temp-buffer)
132: (insert " end$")
133: (write-region (point-min) (point-max) temp-file t) ;; append
134: (kill-buffer temp-buffer)
135: (asir-cmd-load temp-file)))))
1.1 takayama 136:
1.10 takayama 137: (defun asir-paste-region ()
138: "Paste region to asir"
1.1 takayama 139: (interactive)
1.10 takayama 140: (if mark-active
141: (if (eq system-type 'windows-nt)
142: (let ((temp-file (make-temp-file (format "%s/cmdasir-" (getenv "TEMP"))))
143: (exec-path (asir-effective-exec-path)))
144: (write-region (region-beginning) (region-end) temp-file)
145: (start-process "asir-proc-cmdasir" nil "cmdasir" "--paste-contents" temp-file))
146: (save-excursion
147: (let ((buffer (current-buffer))
148: (start (region-beginning))
149: (end (region-end)))
150: (set-buffer asir-cmd-buffer-name)
151: (goto-char (point-max))
152: (insert-buffer-substring buffer start end)
153: (comint-send-input))))))
1.4 ohara 154:
1.13 ohara 155: (defun asir-abort ()
156: "Abort calculation on asir"
157: (interactive)
158: (if (eq system-type 'windows-nt)
159: ;; for Windows
160: (let ((exec-path (asir-effective-exec-path)))
161: (start-process "asir-proc-cmdasir" nil "cmdasir" "--abort"))
162: ;; for UNIX
163: (save-excursion
164: (if (get-buffer asir-cmd-buffer-name)
165: (progn
166: (set-buffer asir-cmd-buffer-name)
167: (comint-kill-input)
168: (comint-interrupt-subjob)
169: (goto-char (point-max))
170: (insert "t\ny")
171: (comint-send-input)
172: )))))
173:
1.1 takayama 174: ;;;; Extension for CC-mode.
175:
176: (require 'cc-mode)
177:
178: (eval-when-compile
179: (require 'cc-langs)
180: (require 'cc-engine)
181: (require 'cc-fonts))
182:
183: (eval-and-compile
184: ;; Make our mode known to the language constant system. Use Java
185: ;; mode as the fallback for the constants we don't change here.
186: ;; This needs to be done also at compile time since the language
187: ;; constants are evaluated then.
188: (c-add-language 'asir-mode 'c++-mode))
189:
190: (c-lang-defconst c-stmt-delim-chars asir "^;${}?:")
191: (c-lang-defconst c-stmt-delim-chars-with-comma asir "^;$,{}?:")
192: (c-lang-defconst c-other-op-syntax-tokens
193: asir (cons "$" (c-lang-const c-other-op-syntax-tokens c)))
194: (c-lang-defconst c-identifier-syntax-modifications
195: asir (remove '(?$ . "w") (c-lang-const c-identifier-syntax-modifications c)))
196: (c-lang-defconst c-symbol-chars asir (concat c-alnum "_"))
197:
198: (c-lang-defconst c-primitive-type-kwds asir '("def" "extern" "static" "localf" "function"))
199: (c-lang-defconst c-primitive-type-prefix-kwds asir nil)
200: (c-lang-defconst c-type-list-kwds asir nil)
201: (c-lang-defconst c-class-decl-kwds asir '("module"))
202: (c-lang-defconst c-othe-decl-kwds asir '("endmodule" "end"))
203: (c-lang-defconst c-type-modifier-kwds asir nil)
204: (c-lang-defconst c-modifier-kwds asir nil)
205:
206: (c-lang-defconst c-mode-menu
207: asir
208: (append (c-lang-const c-mode-menu c)
209: '("----"
1.10 takayama 210: ["Start Asir" asir-start t]
211: ["Terminate Asir" asir-terminate t]
1.13 ohara 212: ["Abort calcuration on Asir" asir-abort t]
1.10 takayama 213: ["Execute Current Buffer on Asir" asir-execute-current-buffer (buffer-file-name)]
214: ["Execute Region on Asir" asir-execute-region mark-active]
215: ["Paste Region to Asir" asir-paste-region mark-active]
1.1 takayama 216: )))
217:
218: (defvar asir-font-lock-extra-types nil
219: "*List of extra types (aside from the type keywords) to recognize in asir mode.
220: Each list item should be a regexp matching a single identifier.")
221:
222: (defconst asir-font-lock-keywords-1 (c-lang-const c-matchers-1 asir)
223: "Minimal highlighting for asir mode.")
224:
225: (defconst asir-font-lock-keywords-2 (c-lang-const c-matchers-2 asir)
226: "Fast normal highlighting for asir mode.")
227:
228: (defconst asir-font-lock-keywords-3 (c-lang-const c-matchers-3 asir)
229: "Accurate normal highlighting for asir mode.")
230:
231: (defvar asir-font-lock-keywords asir-font-lock-keywords-3
232: "Default expressions to highlight in asir mode.")
233:
234: (defvar asir-mode-syntax-table nil
235: "Syntax table used in asir-mode buffers.")
236: (or asir-mode-syntax-table
237: (setq asir-mode-syntax-table
238: (funcall (c-lang-const c-make-mode-syntax-table asir))))
239:
240: (defvar asir-mode-abbrev-table nil
241: "Abbreviation table used in asir-mode buffers.")
242:
243: (defvar asir-mode-map (let ((map (c-make-inherited-keymap)))
244: ;; Add bindings which are only useful for asir
245: map)
246: "Keymap used in asir-mode buffers.")
247:
1.10 takayama 248: ;; Key binding for asir-mode
249: (define-key asir-mode-map (kbd "C-c s") 'asir-start)
250: (define-key asir-mode-map (kbd "C-c t") 'asir-terminate)
1.13 ohara 251: (define-key asir-mode-map (kbd "C-c a") 'asir-abort)
1.10 takayama 252: (define-key asir-mode-map (kbd "C-c l") 'asir-execute-current-buffer)
253: (define-key asir-mode-map (kbd "C-c r") 'asir-execute-region)
254: (define-key asir-mode-map (kbd "C-c p") 'asir-paste-region)
255:
1.1 takayama 256: (easy-menu-define asir-menu asir-mode-map "asir Mode Commands"
257: ;; Can use `asir' as the language for `c-mode-menu'
258: ;; since its definition covers any language. In
259: ;; this case the language is used to adapt to the
260: ;; nonexistence of a cpp pass and thus removing some
261: ;; irrelevant menu alternatives.
262: (cons "Asir" (c-lang-const c-mode-menu asir)))
263:
264: (defun asir-mode ()
265: "Major mode for editing asir code.
266: This is a simple example of a separate mode derived from CC Mode to
267: support a language with syntax similar to C/C++/ObjC/Java/IDL/Pike.
268:
269: The hook `c-mode-common-hook' is run with no args at mode
270: initialization, then `asir-mode-hook'.
271:
272: Key bindings:
273: \\{asir-mode-map}"
274: (interactive)
275: (kill-all-local-variables)
276: (c-initialize-cc-mode t)
277: (set-syntax-table asir-mode-syntax-table)
278: (setq major-mode 'asir-mode
279: mode-name "asir"
280: local-abbrev-table asir-mode-abbrev-table
281: abbrev-mode t)
282: (use-local-map asir-mode-map)
283: ;; `c-init-language-vars' is a macro that is expanded at compile
284: ;; time to a large `setq' with all the language variables and their
285: ;; customized values for our language.
286: (c-init-language-vars asir-mode)
287: ;; `c-common-init' initializes most of the components of a CC Mode
288: ;; buffer, including setup of the mode menu, font-lock, etc.
289: ;; There's also a lower level routine `c-basic-common-init' that
290: ;; only makes the necessary initialization to get the syntactic
291: ;; analysis and similar things working.
292: (c-common-init 'asir-mode)
293: ;;(easy-menu-add asir-menu)
294: (run-hooks 'c-mode-common-hook)
295: (run-hooks 'asir-mode-hook)
296: (c-update-modeline))
297:
298: (if (fboundp 'asir-backup:c-guess-basic-syntax)
299: nil
300: (fset 'asir-backup:c-guess-basic-syntax (symbol-function 'c-guess-basic-syntax))
301: (defun c-guess-basic-syntax ()
302: "A modified c-guess-basic-syntax for asir-mode"
303: (if (eq major-mode 'asir-mode)
304: (asir-c-guess-basic-syntax)
305: (asir-backup:c-guess-basic-syntax))))
306:
307: ;; Meadow 3 does not have `c-brace-anchor-point'
308: ;; This function was copied from cc-engine.el of Emacs 23.4
309: (if (and (featurep 'meadow) (not (fboundp 'c-brace-anchor-point)))
310: (defun c-brace-anchor-point (bracepos)
311: ;; BRACEPOS is the position of a brace in a construct like "namespace
312: ;; Bar {". Return the anchor point in this construct; this is the
313: ;; earliest symbol on the brace's line which isn't earlier than
314: ;; "namespace".
315: ;;
316: ;; Currently (2007-08-17), "like namespace" means "matches
317: ;; c-other-block-decl-kwds". It doesn't work with "class" or "struct"
318: ;; or anything like that.
319: (save-excursion
320: (let ((boi (c-point 'boi bracepos)))
321: (goto-char bracepos)
322: (while (and (> (point) boi)
323: (not (looking-at c-other-decl-block-key)))
324: (c-backward-token-2))
325: (if (> (point) boi) (point) boi))))
326: )
327:
328: ;; The function `c-guess-basic-syntax' was copied from cc-engine.el of Emacs 23.4 and
329: ;; was modified for Risa/Asir.
330: ;; CASE 5D, 5J, 18 are corrected.
331:
332: ;;;; Beginning of `asir-c-guess-basic-syntax'
333: (defun asir-c-guess-basic-syntax ()
334: "Return the syntactic context of the current line."
335: (save-excursion
336: (beginning-of-line)
337: (c-save-buffer-state
338: ((indent-point (point))
339: (case-fold-search nil)
340: ;; A whole ugly bunch of various temporary variables. Have
341: ;; to declare them here since it's not possible to declare
342: ;; a variable with only the scope of a cond test and the
343: ;; following result clauses, and most of this function is a
344: ;; single gigantic cond. :P
345: literal char-before-ip before-ws-ip char-after-ip macro-start
346: in-macro-expr c-syntactic-context placeholder c-in-literal-cache
347: step-type tmpsymbol keyword injava-inher special-brace-list tmp-pos
348: containing-<
349: ;; The following record some positions for the containing
350: ;; declaration block if we're directly within one:
351: ;; `containing-decl-open' is the position of the open
352: ;; brace. `containing-decl-start' is the start of the
353: ;; declaration. `containing-decl-kwd' is the keyword
354: ;; symbol of the keyword that tells what kind of block it
355: ;; is.
356: containing-decl-open
357: containing-decl-start
358: containing-decl-kwd
359: ;; The open paren of the closest surrounding sexp or nil if
360: ;; there is none.
361: containing-sexp
362: ;; The position after the closest preceding brace sexp
363: ;; (nested sexps are ignored), or the position after
364: ;; `containing-sexp' if there is none, or (point-min) if
365: ;; `containing-sexp' is nil.
366: lim
367: ;; The paren state outside `containing-sexp', or at
368: ;; `indent-point' if `containing-sexp' is nil.
369: (paren-state (c-parse-state))
370: ;; There's always at most one syntactic element which got
371: ;; an anchor pos. It's stored in syntactic-relpos.
372: syntactic-relpos
373: (c-stmt-delim-chars c-stmt-delim-chars))
374:
375: ;; Check if we're directly inside an enclosing declaration
376: ;; level block.
377: (when (and (setq containing-sexp
378: (c-most-enclosing-brace paren-state))
379: (progn
380: (goto-char containing-sexp)
381: (eq (char-after) ?{))
382: (setq placeholder
383: (c-looking-at-decl-block
384: (c-most-enclosing-brace paren-state
385: containing-sexp)
386: t)))
387: (setq containing-decl-open containing-sexp
388: containing-decl-start (point)
389: containing-sexp nil)
390: (goto-char placeholder)
391: (setq containing-decl-kwd (and (looking-at c-keywords-regexp)
392: (c-keyword-sym (match-string 1)))))
393:
394: ;; Init some position variables.
395: (if c-state-cache
396: (progn
397: (setq containing-sexp (car paren-state)
398: paren-state (cdr paren-state))
399: (if (consp containing-sexp)
400: (progn
401: (setq lim (cdr containing-sexp))
402: (if (cdr c-state-cache)
403: ;; Ignore balanced paren. The next entry
404: ;; can't be another one.
405: (setq containing-sexp (car (cdr c-state-cache))
406: paren-state (cdr paren-state))
407: ;; If there is no surrounding open paren then
408: ;; put the last balanced pair back on paren-state.
409: (setq paren-state (cons containing-sexp paren-state)
410: containing-sexp nil)))
411: (setq lim (1+ containing-sexp))))
412: (setq lim (point-min)))
413:
414: ;; If we're in a parenthesis list then ',' delimits the
415: ;; "statements" rather than being an operator (with the
416: ;; exception of the "for" clause). This difference is
417: ;; typically only noticeable when statements are used in macro
418: ;; arglists.
419: (when (and containing-sexp
420: (eq (char-after containing-sexp) ?\())
421: (setq c-stmt-delim-chars c-stmt-delim-chars-with-comma))
422:
423: ;; cache char before and after indent point, and move point to
424: ;; the most likely position to perform the majority of tests
425: (goto-char indent-point)
426: (c-backward-syntactic-ws lim)
427: (setq before-ws-ip (point)
428: char-before-ip (char-before))
429: (goto-char indent-point)
430: (skip-chars-forward " \t")
431: (setq char-after-ip (char-after))
432:
433: ;; are we in a literal?
434: (setq literal (c-in-literal lim))
435:
436: ;; now figure out syntactic qualities of the current line
437: (cond
438:
439: ;; CASE 1: in a string.
440: ((eq literal 'string)
441: (c-add-syntax 'string (c-point 'bopl)))
442:
443: ;; CASE 2: in a C or C++ style comment.
444: ((and (memq literal '(c c++))
445: ;; This is a kludge for XEmacs where we use
446: ;; `buffer-syntactic-context', which doesn't correctly
447: ;; recognize "\*/" to end a block comment.
448: ;; `parse-partial-sexp' which is used by
449: ;; `c-literal-limits' will however do that in most
450: ;; versions, which results in that we get nil from
451: ;; `c-literal-limits' even when `c-in-literal' claims
452: ;; we're inside a comment.
453: (setq placeholder (c-literal-limits lim)))
454: (c-add-syntax literal (car placeholder)))
455:
456: ;; CASE 3: in a cpp preprocessor macro continuation.
457: ((and (save-excursion
458: (when (c-beginning-of-macro)
459: (setq macro-start (point))))
460: (/= macro-start (c-point 'boi))
461: (progn
462: (setq tmpsymbol 'cpp-macro-cont)
463: (or (not c-syntactic-indentation-in-macros)
464: (save-excursion
465: (goto-char macro-start)
466: ;; If at the beginning of the body of a #define
467: ;; directive then analyze as cpp-define-intro
468: ;; only. Go on with the syntactic analysis
469: ;; otherwise. in-macro-expr is set if we're in a
470: ;; cpp expression, i.e. before the #define body
471: ;; or anywhere in a non-#define directive.
472: (if (c-forward-to-cpp-define-body)
473: (let ((indent-boi (c-point 'boi indent-point)))
474: (setq in-macro-expr (> (point) indent-boi)
475: tmpsymbol 'cpp-define-intro)
476: (= (point) indent-boi))
477: (setq in-macro-expr t)
478: nil)))))
479: (c-add-syntax tmpsymbol macro-start)
480: (setq macro-start nil))
481:
482: ;; CASE 11: an else clause?
483: ((looking-at "else\\>[^_]")
484: (c-beginning-of-statement-1 containing-sexp)
485: (c-add-stmt-syntax 'else-clause nil t
486: containing-sexp paren-state))
487:
488: ;; CASE 12: while closure of a do/while construct?
489: ((and (looking-at "while\\>[^_]")
490: (save-excursion
491: (prog1 (eq (c-beginning-of-statement-1 containing-sexp)
492: 'beginning)
493: (setq placeholder (point)))))
494: (goto-char placeholder)
495: (c-add-stmt-syntax 'do-while-closure nil t
496: containing-sexp paren-state))
497:
498: ;; CASE 13: A catch or finally clause? This case is simpler
499: ;; than if-else and do-while, because a block is required
500: ;; after every try, catch and finally.
501: ((save-excursion
502: (and (cond ((c-major-mode-is 'c++-mode)
503: (looking-at "catch\\>[^_]"))
504: ((c-major-mode-is 'java-mode)
505: (looking-at "\\(catch\\|finally\\)\\>[^_]")))
506: (and (c-safe (c-backward-syntactic-ws)
507: (c-backward-sexp)
508: t)
509: (eq (char-after) ?{)
510: (c-safe (c-backward-syntactic-ws)
511: (c-backward-sexp)
512: t)
513: (if (eq (char-after) ?\()
514: (c-safe (c-backward-sexp) t)
515: t))
516: (looking-at "\\(try\\|catch\\)\\>[^_]")
517: (setq placeholder (point))))
518: (goto-char placeholder)
519: (c-add-stmt-syntax 'catch-clause nil t
520: containing-sexp paren-state))
521:
522: ;; CASE 18: A substatement we can recognize by keyword.
523: ((save-excursion
524: (and c-opt-block-stmt-key
525: (not (eq char-before-ip ?\;))
526: (not (c-at-vsemi-p before-ws-ip))
527: (not (memq char-after-ip '(?\) ?\] ?,)))
528: (or (not (eq char-before-ip ?}))
529: (c-looking-at-inexpr-block-backward c-state-cache))
530: (> (point)
531: (progn
532: ;; Ought to cache the result from the
533: ;; c-beginning-of-statement-1 calls here.
534: (setq placeholder (point))
535: (while (eq (setq step-type
536: (c-beginning-of-statement-1 lim))
537: 'label))
538: (if (eq step-type 'previous)
539: (goto-char placeholder)
540: (setq placeholder (point))
541: (if (and (eq step-type 'same)
542: (not (looking-at c-opt-block-stmt-key)))
543: ;; Step up to the containing statement if we
544: ;; stayed in the same one.
545: (let (step)
546: (while (eq
547: (setq step
548: (c-beginning-of-statement-1 lim))
549: 'label))
550: (if (eq step 'up)
551: (setq placeholder (point))
552: ;; There was no containing statement after all.
553: (goto-char placeholder)))))
554: placeholder))
555: (if (looking-at c-block-stmt-2-key)
556: ;; Require a parenthesis after these keywords.
557: ;; Necessary to catch e.g. synchronized in Java,
558: ;; which can be used both as statement and
559: ;; modifier.
560: (and (zerop (c-forward-token-2 1 nil))
561: (eq (char-after) ?\())
562: (looking-at c-opt-block-stmt-key))))
563:
564: (if (eq step-type 'up)
565: ;; CASE 18A: Simple substatement.
566: (progn
567: (goto-char placeholder)
568: (cond
569: ((eq char-after-ip ?{)
570: (c-add-stmt-syntax 'substatement-open nil nil
571: containing-sexp paren-state))
572: ((save-excursion
573: (goto-char indent-point)
574: (back-to-indentation)
575: (c-forward-label))
576: (c-add-stmt-syntax 'substatement-label nil nil
577: containing-sexp paren-state))
578: (t
579: (c-add-stmt-syntax 'substatement nil nil
580: containing-sexp paren-state))))
581:
582: ;; CASE 18B: Some other substatement. This is shared
583: ;; with case 10.
584: (c-guess-continued-construct indent-point
585: char-after-ip
586: placeholder
587: lim
588: paren-state)))
589:
590: ;; CASE 14: A case or default label
591: ((looking-at c-label-kwds-regexp)
592: (if containing-sexp
593: (progn
594: (goto-char containing-sexp)
595: (setq lim (c-most-enclosing-brace c-state-cache
596: containing-sexp))
597: (c-backward-to-block-anchor lim)
598: (c-add-stmt-syntax 'case-label nil t lim paren-state))
599: ;; Got a bogus label at the top level. In lack of better
600: ;; alternatives, anchor it on (point-min).
601: (c-add-syntax 'case-label (point-min))))
602:
603: ;; CASE 15: any other label
604: ((save-excursion
605: (back-to-indentation)
606: (and (not (looking-at c-syntactic-ws-start))
607: (c-forward-label)))
608: (cond (containing-decl-open
609: (setq placeholder (c-add-class-syntax 'inclass
610: containing-decl-open
611: containing-decl-start
612: containing-decl-kwd
613: paren-state))
614: ;; Append access-label with the same anchor point as
615: ;; inclass gets.
616: (c-append-syntax 'access-label placeholder))
617:
618: (containing-sexp
619: (goto-char containing-sexp)
620: (setq lim (c-most-enclosing-brace c-state-cache
621: containing-sexp))
622: (save-excursion
623: (setq tmpsymbol
624: (if (and (eq (c-beginning-of-statement-1 lim) 'up)
625: (looking-at "switch\\>[^_]"))
626: ;; If the surrounding statement is a switch then
627: ;; let's analyze all labels as switch labels, so
628: ;; that they get lined up consistently.
629: 'case-label
630: 'label)))
631: (c-backward-to-block-anchor lim)
632: (c-add-stmt-syntax tmpsymbol nil t lim paren-state))
633:
634: (t
635: ;; A label on the top level. Treat it as a class
636: ;; context. (point-min) is the closest we get to the
637: ;; class open brace.
638: (c-add-syntax 'access-label (point-min)))))
639:
640: ;; CASE 4: In-expression statement. C.f. cases 7B, 16A and
641: ;; 17E.
642: ((setq placeholder (c-looking-at-inexpr-block
643: (c-safe-position containing-sexp paren-state)
644: containing-sexp
645: ;; Have to turn on the heuristics after
646: ;; the point even though it doesn't work
647: ;; very well. C.f. test case class-16.pike.
648: t))
649: (setq tmpsymbol (assq (car placeholder)
650: '((inexpr-class . class-open)
651: (inexpr-statement . block-open))))
652: (if tmpsymbol
653: ;; It's a statement block or an anonymous class.
654: (setq tmpsymbol (cdr tmpsymbol))
655: ;; It's a Pike lambda. Check whether we are between the
656: ;; lambda keyword and the argument list or at the defun
657: ;; opener.
658: (setq tmpsymbol (if (eq char-after-ip ?{)
659: 'inline-open
660: 'lambda-intro-cont)))
661: (goto-char (cdr placeholder))
662: (back-to-indentation)
663: (c-add-stmt-syntax tmpsymbol nil t
664: (c-most-enclosing-brace c-state-cache (point))
665: paren-state)
666: (unless (eq (point) (cdr placeholder))
667: (c-add-syntax (car placeholder))))
668:
669: ;; CASE 5: Line is inside a declaration level block or at top level.
670: ((or containing-decl-open (null containing-sexp))
671: (cond
672:
673: ;; CASE 5A: we are looking at a defun, brace list, class,
674: ;; or inline-inclass method opening brace
675: ((setq special-brace-list
676: (or (and c-special-brace-lists
677: (c-looking-at-special-brace-list))
678: (eq char-after-ip ?{)))
679: (cond
680:
681: ;; CASE 5A.1: Non-class declaration block open.
682: ((save-excursion
683: (let (tmp)
684: (and (eq char-after-ip ?{)
685: (setq tmp (c-looking-at-decl-block containing-sexp t))
686: (progn
687: (setq placeholder (point))
688: (goto-char tmp)
689: (looking-at c-symbol-key))
690: (c-keyword-member
691: (c-keyword-sym (setq keyword (match-string 0)))
692: 'c-other-block-decl-kwds))))
693: (goto-char placeholder)
694: (c-add-stmt-syntax
695: (if (string-equal keyword "extern")
696: ;; Special case for extern-lang-open.
697: 'extern-lang-open
698: (intern (concat keyword "-open")))
699: nil t containing-sexp paren-state))
700:
701: ;; CASE 5A.2: we are looking at a class opening brace
702: ((save-excursion
703: (goto-char indent-point)
704: (skip-chars-forward " \t")
705: (and (eq (char-after) ?{)
706: (c-looking-at-decl-block containing-sexp t)
707: (setq placeholder (point))))
708: (c-add-syntax 'class-open placeholder))
709:
710: ;; CASE 5A.3: brace list open
711: ((save-excursion
712: (c-beginning-of-decl-1 lim)
713: (while (looking-at c-specifier-key)
714: (goto-char (match-end 1))
715: (c-forward-syntactic-ws indent-point))
716: (setq placeholder (c-point 'boi))
717: (or (consp special-brace-list)
718: (and (or (save-excursion
719: (goto-char indent-point)
720: (setq tmpsymbol nil)
721: (while (and (> (point) placeholder)
722: (zerop (c-backward-token-2 1 t))
723: (/= (char-after) ?=))
724: (and c-opt-inexpr-brace-list-key
725: (not tmpsymbol)
726: (looking-at c-opt-inexpr-brace-list-key)
727: (setq tmpsymbol 'topmost-intro-cont)))
728: (eq (char-after) ?=))
729: (looking-at c-brace-list-key))
730: (save-excursion
731: (while (and (< (point) indent-point)
732: (zerop (c-forward-token-2 1 t))
733: (not (memq (char-after) '(?\; ?\()))))
734: (not (memq (char-after) '(?\; ?\()))
735: ))))
736: (if (and (not c-auto-newline-analysis)
737: (c-major-mode-is 'java-mode)
738: (eq tmpsymbol 'topmost-intro-cont))
739: ;; We're in Java and have found that the open brace
740: ;; belongs to a "new Foo[]" initialization list,
741: ;; which means the brace list is part of an
742: ;; expression and not a top level definition. We
743: ;; therefore treat it as any topmost continuation
744: ;; even though the semantically correct symbol still
745: ;; is brace-list-open, on the same grounds as in
746: ;; case B.2.
747: (progn
748: (c-beginning-of-statement-1 lim)
749: (c-add-syntax 'topmost-intro-cont (c-point 'boi)))
750: (c-add-syntax 'brace-list-open placeholder)))
751:
752: ;; CASE 5A.4: inline defun open
753: ((and containing-decl-open
754: (not (c-keyword-member containing-decl-kwd
755: 'c-other-block-decl-kwds)))
756: (c-add-syntax 'inline-open)
757: (c-add-class-syntax 'inclass
758: containing-decl-open
759: containing-decl-start
760: containing-decl-kwd
761: paren-state))
762:
763: ;; CASE 5A.5: ordinary defun open
764: (t
765: (save-excursion
766: (c-beginning-of-decl-1 lim)
767: (while (looking-at c-specifier-key)
768: (goto-char (match-end 1))
769: (c-forward-syntactic-ws indent-point))
770: (c-add-syntax 'defun-open (c-point 'boi))
771: ;; Bogus to use bol here, but it's the legacy. (Resolved,
772: ;; 2007-11-09)
773: ))))
774:
775: ;; CASE 5B: After a function header but before the body (or
776: ;; the ending semicolon if there's no body).
777: ((save-excursion
778: (when (setq placeholder (c-just-after-func-arglist-p lim))
779: (setq tmp-pos (point))))
780: (cond
781:
782: ;; CASE 5B.1: Member init list.
783: ((eq (char-after tmp-pos) ?:)
784: (if (or (> tmp-pos indent-point)
785: (= (c-point 'bosws) (1+ tmp-pos)))
786: (progn
787: ;; There is no preceding member init clause.
788: ;; Indent relative to the beginning of indentation
789: ;; for the topmost-intro line that contains the
790: ;; prototype's open paren.
791: (goto-char placeholder)
792: (c-add-syntax 'member-init-intro (c-point 'boi)))
793: ;; Indent relative to the first member init clause.
794: (goto-char (1+ tmp-pos))
795: (c-forward-syntactic-ws)
796: (c-add-syntax 'member-init-cont (point))))
797:
798: ;; CASE 5B.2: K&R arg decl intro
799: ((and c-recognize-knr-p
800: (c-in-knr-argdecl lim))
801: (c-beginning-of-statement-1 lim)
802: (c-add-syntax 'knr-argdecl-intro (c-point 'boi))
803: (if containing-decl-open
804: (c-add-class-syntax 'inclass
805: containing-decl-open
806: containing-decl-start
807: containing-decl-kwd
808: paren-state)))
809:
810: ;; CASE 5B.4: Nether region after a C++ or Java func
811: ;; decl, which could include a `throws' declaration.
812: (t
813: (c-beginning-of-statement-1 lim)
814: (c-add-syntax 'func-decl-cont (c-point 'boi))
815: )))
816:
817: ;; CASE 5C: inheritance line. could be first inheritance
818: ;; line, or continuation of a multiple inheritance
819: ((or (and (c-major-mode-is 'c++-mode)
820: (progn
821: (when (eq char-after-ip ?,)
822: (skip-chars-forward " \t")
823: (forward-char))
824: (looking-at c-opt-postfix-decl-spec-key)))
825: (and (or (eq char-before-ip ?:)
826: ;; watch out for scope operator
827: (save-excursion
828: (and (eq char-after-ip ?:)
829: (c-safe (forward-char 1) t)
830: (not (eq (char-after) ?:))
831: )))
832: (save-excursion
833: (c-backward-syntactic-ws lim)
834: (if (eq char-before-ip ?:)
835: (progn
836: (forward-char -1)
837: (c-backward-syntactic-ws lim)))
838: (back-to-indentation)
839: (looking-at c-class-key)))
840: ;; for Java
841: (and (c-major-mode-is 'java-mode)
842: (let ((fence (save-excursion
843: (c-beginning-of-statement-1 lim)
844: (point)))
845: cont done)
846: (save-excursion
847: (while (not done)
848: (cond ((looking-at c-opt-postfix-decl-spec-key)
849: (setq injava-inher (cons cont (point))
850: done t))
851: ((or (not (c-safe (c-forward-sexp -1) t))
852: (<= (point) fence))
853: (setq done t))
854: )
855: (setq cont t)))
856: injava-inher)
857: (not (c-crosses-statement-barrier-p (cdr injava-inher)
858: (point)))
859: ))
860: (cond
861:
862: ;; CASE 5C.1: non-hanging colon on an inher intro
863: ((eq char-after-ip ?:)
864: (c-beginning-of-statement-1 lim)
865: (c-add-syntax 'inher-intro (c-point 'boi))
866: ;; don't add inclass symbol since relative point already
867: ;; contains any class offset
868: )
869:
870: ;; CASE 5C.2: hanging colon on an inher intro
871: ((eq char-before-ip ?:)
872: (c-beginning-of-statement-1 lim)
873: (c-add-syntax 'inher-intro (c-point 'boi))
874: (if containing-decl-open
875: (c-add-class-syntax 'inclass
876: containing-decl-open
877: containing-decl-start
878: containing-decl-kwd
879: paren-state)))
880:
881: ;; CASE 5C.3: in a Java implements/extends
882: (injava-inher
883: (let ((where (cdr injava-inher))
884: (cont (car injava-inher)))
885: (goto-char where)
886: (cond ((looking-at "throws\\>[^_]")
887: (c-add-syntax 'func-decl-cont
888: (progn (c-beginning-of-statement-1 lim)
889: (c-point 'boi))))
890: (cont (c-add-syntax 'inher-cont where))
891: (t (c-add-syntax 'inher-intro
892: (progn (goto-char (cdr injava-inher))
893: (c-beginning-of-statement-1 lim)
894: (point))))
895: )))
896:
897: ;; CASE 5C.4: a continued inheritance line
898: (t
899: (c-beginning-of-inheritance-list lim)
900: (c-add-syntax 'inher-cont (point))
901: ;; don't add inclass symbol since relative point already
902: ;; contains any class offset
903: )))
904:
905: ;; CASE 5D: this could be a top-level initialization, a
906: ;; member init list continuation, or a template argument
907: ;; list continuation.
908: ((save-excursion
909: ;; Note: We use the fact that lim is always after any
910: ;; preceding brace sexp.
911: (if c-recognize-<>-arglists
912: (while (and
913: (progn
914: (c-syntactic-skip-backward "^;$,=<>" lim t)
915: (> (point) lim))
916: (or
917: (when c-overloadable-operators-regexp
918: (when (setq placeholder (c-after-special-operator-id lim))
919: (goto-char placeholder)
920: t))
921: (cond
922: ((eq (char-before) ?>)
923: (or (c-backward-<>-arglist nil lim)
924: (backward-char))
925: t)
926: ((eq (char-before) ?<)
927: (backward-char)
928: (if (save-excursion
929: (c-forward-<>-arglist nil))
930: (progn (forward-char)
931: nil)
932: t))
933: (t nil)))))
934: ;; NB: No c-after-special-operator-id stuff in this
935: ;; clause - we assume only C++ needs it.
936: (c-syntactic-skip-backward "^;$,=" lim t))
937: (memq (char-before) '(?, ?= ?<)))
938: (cond
939:
940: ;; CASE 5D.3: perhaps a template list continuation?
941: ((and (c-major-mode-is 'c++-mode)
942: (save-excursion
943: (save-restriction
944: (c-with-syntax-table c++-template-syntax-table
945: (goto-char indent-point)
946: (setq placeholder (c-up-list-backward))
947: (and placeholder
948: (eq (char-after placeholder) ?<))))))
949: (c-with-syntax-table c++-template-syntax-table
950: (goto-char placeholder)
951: (c-beginning-of-statement-1 lim t)
952: (if (save-excursion
953: (c-backward-syntactic-ws lim)
954: (eq (char-before) ?<))
955: ;; In a nested template arglist.
956: (progn
957: (goto-char placeholder)
958: (c-syntactic-skip-backward "^,;" lim t)
959: (c-forward-syntactic-ws))
960: (back-to-indentation)))
961: ;; FIXME: Should use c-add-stmt-syntax, but it's not yet
962: ;; template aware.
963: (c-add-syntax 'template-args-cont (point) placeholder))
964:
965: ;; CASE 5D.4: perhaps a multiple inheritance line?
966: ((and (c-major-mode-is 'c++-mode)
967: (save-excursion
968: (c-beginning-of-statement-1 lim)
969: (setq placeholder (point))
970: (if (looking-at "static\\>[^_]")
971: (c-forward-token-2 1 nil indent-point))
972: (and (looking-at c-class-key)
973: (zerop (c-forward-token-2 2 nil indent-point))
974: (if (eq (char-after) ?<)
975: (c-with-syntax-table c++-template-syntax-table
976: (zerop (c-forward-token-2 1 t indent-point)))
977: t)
978: (eq (char-after) ?:))))
979: (goto-char placeholder)
980: (c-add-syntax 'inher-cont (c-point 'boi)))
981:
982: ;; CASE 5D.5: Continuation of the "expression part" of a
983: ;; top level construct. Or, perhaps, an unrecognized construct.
984: (t
985: (while (and (setq placeholder (point))
986: (eq (car (c-beginning-of-decl-1 containing-sexp))
987: 'same)
988: (save-excursion
989: (c-backward-syntactic-ws)
990: (eq (char-before) ?}))
991: (< (point) placeholder)))
992: (c-add-stmt-syntax
993: (cond
994: ((eq (point) placeholder) 'statement) ; unrecognized construct
995: ;; A preceding comma at the top level means that a
996: ;; new variable declaration starts here. Use
997: ;; topmost-intro-cont for it, for consistency with
998: ;; the first variable declaration. C.f. case 5N.
999: ((eq char-before-ip ?,) 'topmost-intro-cont)
1000: (t 'statement-cont))
1001: nil nil containing-sexp paren-state))
1002: ))
1003:
1004: ;; CASE 5F: Close of a non-class declaration level block.
1005: ((and (eq char-after-ip ?})
1006: (c-keyword-member containing-decl-kwd
1007: 'c-other-block-decl-kwds))
1008: ;; This is inconsistent: Should use `containing-decl-open'
1009: ;; here if it's at boi, like in case 5J.
1010: (goto-char containing-decl-start)
1011: (c-add-stmt-syntax
1012: (if (string-equal (symbol-name containing-decl-kwd) "extern")
1013: ;; Special case for compatibility with the
1014: ;; extern-lang syntactic symbols.
1015: 'extern-lang-close
1016: (intern (concat (symbol-name containing-decl-kwd)
1017: "-close")))
1018: nil t
1019: (c-most-enclosing-brace paren-state (point))
1020: paren-state))
1021:
1022: ;; CASE 5G: we are looking at the brace which closes the
1023: ;; enclosing nested class decl
1024: ((and containing-sexp
1025: (eq char-after-ip ?})
1026: (eq containing-decl-open containing-sexp))
1027: (c-add-class-syntax 'class-close
1028: containing-decl-open
1029: containing-decl-start
1030: containing-decl-kwd
1031: paren-state))
1032:
1033: ;; CASE 5H: we could be looking at subsequent knr-argdecls
1034: ((and c-recognize-knr-p
1035: (not containing-sexp) ; can't be knr inside braces.
1036: (not (eq char-before-ip ?}))
1037: (save-excursion
1038: (setq placeholder (cdr (c-beginning-of-decl-1 lim)))
1039: (and placeholder
1040: ;; Do an extra check to avoid tripping up on
1041: ;; statements that occur in invalid contexts
1042: ;; (e.g. in macro bodies where we don't really
1043: ;; know the context of what we're looking at).
1044: (not (and c-opt-block-stmt-key
1045: (looking-at c-opt-block-stmt-key)))))
1046: (< placeholder indent-point))
1047: (goto-char placeholder)
1048: (c-add-syntax 'knr-argdecl (point)))
1049:
1050: ;; CASE 5I: ObjC method definition.
1051: ((and c-opt-method-key
1052: (looking-at c-opt-method-key))
1053: (c-beginning-of-statement-1 nil t)
1054: (if (= (point) indent-point)
1055: ;; Handle the case when it's the first (non-comment)
1056: ;; thing in the buffer. Can't look for a 'same return
1057: ;; value from cbos1 since ObjC directives currently
1058: ;; aren't recognized fully, so that we get 'same
1059: ;; instead of 'previous if it moved over a preceding
1060: ;; directive.
1061: (goto-char (point-min)))
1062: (c-add-syntax 'objc-method-intro (c-point 'boi)))
1063:
1064: ;; CASE 5P: AWK pattern or function or continuation
1065: ;; thereof.
1066: ((c-major-mode-is 'awk-mode)
1067: (setq placeholder (point))
1068: (c-add-stmt-syntax
1069: (if (and (eq (c-beginning-of-statement-1) 'same)
1070: (/= (point) placeholder))
1071: 'topmost-intro-cont
1072: 'topmost-intro)
1073: nil nil
1074: containing-sexp paren-state))
1075:
1076: ;; CASE 5N: At a variable declaration that follows a class
1077: ;; definition or some other block declaration that doesn't
1078: ;; end at the closing '}'. C.f. case 5D.5.
1079: ((progn
1080: (c-backward-syntactic-ws lim)
1081: (and (eq (char-before) ?})
1082: (save-excursion
1083: (let ((start (point)))
1084: (if (and c-state-cache
1085: (consp (car c-state-cache))
1086: (eq (cdar c-state-cache) (point)))
1087: ;; Speed up the backward search a bit.
1088: (goto-char (caar c-state-cache)))
1089: (c-beginning-of-decl-1 containing-sexp)
1090: (setq placeholder (point))
1091: (if (= start (point))
1092: ;; The '}' is unbalanced.
1093: nil
1094: (c-end-of-decl-1)
1095: (>= (point) indent-point))))))
1096: (goto-char placeholder)
1097: (c-add-stmt-syntax 'topmost-intro-cont nil nil
1098: containing-sexp paren-state))
1099:
1100: ;; NOTE: The point is at the end of the previous token here.
1101:
1102: ;; CASE 5J: we are at the topmost level, make
1103: ;; sure we skip back past any access specifiers
1104: ((and
1105: ;; A macro continuation line is never at top level.
1106: (not (and macro-start
1107: (> indent-point macro-start)))
1108: (save-excursion
1109: (setq placeholder (point))
1110: (or (memq char-before-ip '(?\; ?$ ?{ ?} nil))
1111: (c-at-vsemi-p before-ws-ip)
1112: (when (and (eq char-before-ip ?:)
1113: (eq (c-beginning-of-statement-1 lim)
1114: 'label))
1115: (c-backward-syntactic-ws lim)
1116: (setq placeholder (point)))
1117: (and (c-major-mode-is 'objc-mode)
1118: (catch 'not-in-directive
1119: (c-beginning-of-statement-1 lim)
1120: (setq placeholder (point))
1121: (while (and (c-forward-objc-directive)
1122: (< (point) indent-point))
1123: (c-forward-syntactic-ws)
1124: (if (>= (point) indent-point)
1125: (throw 'not-in-directive t))
1126: (setq placeholder (point)))
1127: nil)))))
1128: ;; For historic reasons we anchor at bol of the last
1129: ;; line of the previous declaration. That's clearly
1130: ;; highly bogus and useless, and it makes our lives hard
1131: ;; to remain compatible. :P
1132: (goto-char placeholder)
1133: (c-add-syntax 'topmost-intro (c-point 'bol))
1134: (if containing-decl-open
1135: (if (c-keyword-member containing-decl-kwd
1136: 'c-other-block-decl-kwds)
1137: (progn
1138: (goto-char (c-brace-anchor-point containing-decl-open))
1139: (c-add-stmt-syntax
1140: (if (string-equal (symbol-name containing-decl-kwd)
1141: "extern")
1142: ;; Special case for compatibility with the
1143: ;; extern-lang syntactic symbols.
1144: 'inextern-lang
1145: (intern (concat "in"
1146: (symbol-name containing-decl-kwd))))
1147: nil t
1148: (c-most-enclosing-brace paren-state (point))
1149: paren-state))
1150: (c-add-class-syntax 'inclass
1151: containing-decl-open
1152: containing-decl-start
1153: containing-decl-kwd
1154: paren-state)))
1155: (when (and c-syntactic-indentation-in-macros
1156: macro-start
1157: (/= macro-start (c-point 'boi indent-point)))
1158: (c-add-syntax 'cpp-define-intro)
1159: (setq macro-start nil)))
1160:
1161: ;; CASE 5K: we are at an ObjC method definition
1162: ;; continuation line.
1163: ((and c-opt-method-key
1164: (save-excursion
1165: (c-beginning-of-statement-1 lim)
1166: (beginning-of-line)
1167: (when (looking-at c-opt-method-key)
1168: (setq placeholder (point)))))
1169: (c-add-syntax 'objc-method-args-cont placeholder))
1170:
1171: ;; CASE 5L: we are at the first argument of a template
1172: ;; arglist that begins on the previous line.
1173: ((and c-recognize-<>-arglists
1174: (eq (char-before) ?<)
1175: (setq placeholder (1- (point)))
1176: (not (and c-overloadable-operators-regexp
1177: (c-after-special-operator-id lim))))
1178: (c-beginning-of-statement-1 (c-safe-position (point) paren-state))
1179: (c-add-syntax 'template-args-cont (c-point 'boi) placeholder))
1180:
1181: ;; CASE 5Q: we are at a statement within a macro.
1182: (macro-start
1183: (c-beginning-of-statement-1 containing-sexp)
1184: (c-add-stmt-syntax 'statement nil t containing-sexp paren-state))
1185:
1186: ;; CASE 5M: we are at a topmost continuation line
1187: (t
1188: (c-beginning-of-statement-1 (c-safe-position (point) paren-state))
1189: (when (c-major-mode-is 'objc-mode)
1190: (setq placeholder (point))
1191: (while (and (c-forward-objc-directive)
1192: (< (point) indent-point))
1193: (c-forward-syntactic-ws)
1194: (setq placeholder (point)))
1195: (goto-char placeholder))
1196: (c-add-syntax 'topmost-intro-cont (c-point 'boi)))
1197: ))
1198:
1199: ;; (CASE 6 has been removed.)
1200:
1201: ;; CASE 19: line is an expression, not a statement, and is directly
1202: ;; contained by a template delimiter. Most likely, we are in a
1203: ;; template arglist within a statement. This case is based on CASE
1204: ;; 7. At some point in the future, we may wish to create more
1205: ;; syntactic symbols such as `template-intro',
1206: ;; `template-cont-nonempty', etc., and distinguish between them as we
1207: ;; do for `arglist-intro' etc. (2009-12-07).
1208: ((and c-recognize-<>-arglists
1209: (setq containing-< (c-up-list-backward indent-point containing-sexp))
1210: (eq (char-after containing-<) ?\<))
1211: (setq placeholder (c-point 'boi containing-<))
1212: (goto-char containing-sexp) ; Most nested Lbrace/Lparen (but not
1213: ; '<') before indent-point.
1214: (if (>= (point) placeholder)
1215: (progn
1216: (forward-char)
1217: (skip-chars-forward " \t"))
1218: (goto-char placeholder))
1219: (c-add-stmt-syntax 'template-args-cont (list containing-<) t
1220: (c-most-enclosing-brace c-state-cache (point))
1221: paren-state))
1222:
1223:
1224: ;; CASE 7: line is an expression, not a statement. Most
1225: ;; likely we are either in a function prototype or a function
1226: ;; call argument list, or a template argument list.
1227: ((not (or (and c-special-brace-lists
1228: (save-excursion
1229: (goto-char containing-sexp)
1230: (c-looking-at-special-brace-list)))
1231: (eq (char-after containing-sexp) ?{)
1232: (eq (char-after containing-sexp) ?<)))
1233: (cond
1234:
1235: ;; CASE 7A: we are looking at the arglist closing paren.
1236: ;; C.f. case 7F.
1237: ((memq char-after-ip '(?\) ?\]))
1238: (goto-char containing-sexp)
1239: (setq placeholder (c-point 'boi))
1240: (if (and (c-safe (backward-up-list 1) t)
1241: (>= (point) placeholder))
1242: (progn
1243: (forward-char)
1244: (skip-chars-forward " \t"))
1245: (goto-char placeholder))
1246: (c-add-stmt-syntax 'arglist-close (list containing-sexp) t
1247: (c-most-enclosing-brace paren-state (point))
1248: paren-state))
1249:
1250: ;; CASE 7B: Looking at the opening brace of an
1251: ;; in-expression block or brace list. C.f. cases 4, 16A
1252: ;; and 17E.
1253: ((and (eq char-after-ip ?{)
1254: (progn
1255: (setq placeholder (c-inside-bracelist-p (point)
1256: paren-state))
1257: (if placeholder
1258: (setq tmpsymbol '(brace-list-open . inexpr-class))
1259: (setq tmpsymbol '(block-open . inexpr-statement)
1260: placeholder
1261: (cdr-safe (c-looking-at-inexpr-block
1262: (c-safe-position containing-sexp
1263: paren-state)
1264: containing-sexp)))
1265: ;; placeholder is nil if it's a block directly in
1266: ;; a function arglist. That makes us skip out of
1267: ;; this case.
1268: )))
1269: (goto-char placeholder)
1270: (back-to-indentation)
1271: (c-add-stmt-syntax (car tmpsymbol) nil t
1272: (c-most-enclosing-brace paren-state (point))
1273: paren-state)
1274: (if (/= (point) placeholder)
1275: (c-add-syntax (cdr tmpsymbol))))
1276:
1277: ;; CASE 7C: we are looking at the first argument in an empty
1278: ;; argument list. Use arglist-close if we're actually
1279: ;; looking at a close paren or bracket.
1280: ((memq char-before-ip '(?\( ?\[))
1281: (goto-char containing-sexp)
1282: (setq placeholder (c-point 'boi))
1283: (if (and (c-safe (backward-up-list 1) t)
1284: (>= (point) placeholder))
1285: (progn
1286: (forward-char)
1287: (skip-chars-forward " \t"))
1288: (goto-char placeholder))
1289: (c-add-stmt-syntax 'arglist-intro (list containing-sexp) t
1290: (c-most-enclosing-brace paren-state (point))
1291: paren-state))
1292:
1293: ;; CASE 7D: we are inside a conditional test clause. treat
1294: ;; these things as statements
1295: ((progn
1296: (goto-char containing-sexp)
1297: (and (c-safe (c-forward-sexp -1) t)
1298: (looking-at "\\<for\\>[^_]")))
1299: (goto-char (1+ containing-sexp))
1300: (c-forward-syntactic-ws indent-point)
1301: (if (eq char-before-ip ?\;)
1302: (c-add-syntax 'statement (point))
1303: (c-add-syntax 'statement-cont (point))
1304: ))
1305:
1306: ;; CASE 7E: maybe a continued ObjC method call. This is the
1307: ;; case when we are inside a [] bracketed exp, and what
1308: ;; precede the opening bracket is not an identifier.
1309: ((and c-opt-method-key
1310: (eq (char-after containing-sexp) ?\[)
1311: (progn
1312: (goto-char (1- containing-sexp))
1313: (c-backward-syntactic-ws (c-point 'bod))
1314: (if (not (looking-at c-symbol-key))
1315: (c-add-syntax 'objc-method-call-cont containing-sexp))
1316: )))
1317:
1318: ;; CASE 7F: we are looking at an arglist continuation line,
1319: ;; but the preceding argument is on the same line as the
1320: ;; opening paren. This case includes multi-line
1321: ;; mathematical paren groupings, but we could be on a
1322: ;; for-list continuation line. C.f. case 7A.
1323: ((progn
1324: (goto-char (1+ containing-sexp))
1325: (< (save-excursion
1326: (c-forward-syntactic-ws)
1327: (point))
1328: (c-point 'bonl)))
1329: (goto-char containing-sexp) ; paren opening the arglist
1330: (setq placeholder (c-point 'boi))
1331: (if (and (c-safe (backward-up-list 1) t)
1332: (>= (point) placeholder))
1333: (progn
1334: (forward-char)
1335: (skip-chars-forward " \t"))
1336: (goto-char placeholder))
1337: (c-add-stmt-syntax 'arglist-cont-nonempty (list containing-sexp) t
1338: (c-most-enclosing-brace c-state-cache (point))
1339: paren-state))
1340:
1341: ;; CASE 7G: we are looking at just a normal arglist
1342: ;; continuation line
1343: (t (c-forward-syntactic-ws indent-point)
1344: (c-add-syntax 'arglist-cont (c-point 'boi)))
1345: ))
1346:
1347: ;; CASE 8: func-local multi-inheritance line
1348: ((and (c-major-mode-is 'c++-mode)
1349: (save-excursion
1350: (goto-char indent-point)
1351: (skip-chars-forward " \t")
1352: (looking-at c-opt-postfix-decl-spec-key)))
1353: (goto-char indent-point)
1354: (skip-chars-forward " \t")
1355: (cond
1356:
1357: ;; CASE 8A: non-hanging colon on an inher intro
1358: ((eq char-after-ip ?:)
1359: (c-backward-syntactic-ws lim)
1360: (c-add-syntax 'inher-intro (c-point 'boi)))
1361:
1362: ;; CASE 8B: hanging colon on an inher intro
1363: ((eq char-before-ip ?:)
1364: (c-add-syntax 'inher-intro (c-point 'boi)))
1365:
1366: ;; CASE 8C: a continued inheritance line
1367: (t
1368: (c-beginning-of-inheritance-list lim)
1369: (c-add-syntax 'inher-cont (point))
1370: )))
1371:
1372: ;; CASE 9: we are inside a brace-list
1373: ((and (not (c-major-mode-is 'awk-mode)) ; Maybe this isn't needed (ACM, 2002/3/29)
1374: (setq special-brace-list
1375: (or (and c-special-brace-lists ;;;; ALWAYS NIL FOR AWK!!
1376: (save-excursion
1377: (goto-char containing-sexp)
1378: (c-looking-at-special-brace-list)))
1379: (c-inside-bracelist-p containing-sexp paren-state))))
1380: (cond
1381:
1382: ;; CASE 9A: In the middle of a special brace list opener.
1383: ((and (consp special-brace-list)
1384: (save-excursion
1385: (goto-char containing-sexp)
1386: (eq (char-after) ?\())
1387: (eq char-after-ip (car (cdr special-brace-list))))
1388: (goto-char (car (car special-brace-list)))
1389: (skip-chars-backward " \t")
1390: (if (and (bolp)
1391: (assoc 'statement-cont
1392: (setq placeholder (c-guess-basic-syntax))))
1393: (setq c-syntactic-context placeholder)
1394: (c-beginning-of-statement-1
1395: (c-safe-position (1- containing-sexp) paren-state))
1396: (c-forward-token-2 0)
1397: (while (looking-at c-specifier-key)
1398: (goto-char (match-end 1))
1399: (c-forward-syntactic-ws))
1400: (c-add-syntax 'brace-list-open (c-point 'boi))))
1401:
1402: ;; CASE 9B: brace-list-close brace
1403: ((if (consp special-brace-list)
1404: ;; Check special brace list closer.
1405: (progn
1406: (goto-char (car (car special-brace-list)))
1407: (save-excursion
1408: (goto-char indent-point)
1409: (back-to-indentation)
1410: (or
1411: ;; We were between the special close char and the `)'.
1412: (and (eq (char-after) ?\))
1413: (eq (1+ (point)) (cdr (car special-brace-list))))
1414: ;; We were before the special close char.
1415: (and (eq (char-after) (cdr (cdr special-brace-list)))
1416: (zerop (c-forward-token-2))
1417: (eq (1+ (point)) (cdr (car special-brace-list)))))))
1418: ;; Normal brace list check.
1419: (and (eq char-after-ip ?})
1420: (c-safe (goto-char (c-up-list-backward (point))) t)
1421: (= (point) containing-sexp)))
1422: (if (eq (point) (c-point 'boi))
1423: (c-add-syntax 'brace-list-close (point))
1424: (setq lim (c-most-enclosing-brace c-state-cache (point)))
1425: (c-beginning-of-statement-1 lim)
1426: (c-add-stmt-syntax 'brace-list-close nil t lim paren-state)))
1427:
1428: (t
1429: ;; Prepare for the rest of the cases below by going to the
1430: ;; token following the opening brace
1431: (if (consp special-brace-list)
1432: (progn
1433: (goto-char (car (car special-brace-list)))
1434: (c-forward-token-2 1 nil indent-point))
1435: (goto-char containing-sexp))
1436: (forward-char)
1437: (let ((start (point)))
1438: (c-forward-syntactic-ws indent-point)
1439: (goto-char (max start (c-point 'bol))))
1440: (c-skip-ws-forward indent-point)
1441: (cond
1442:
1443: ;; CASE 9C: we're looking at the first line in a brace-list
1444: ((= (point) indent-point)
1445: (if (consp special-brace-list)
1446: (goto-char (car (car special-brace-list)))
1447: (goto-char containing-sexp))
1448: (if (eq (point) (c-point 'boi))
1449: (c-add-syntax 'brace-list-intro (point))
1450: (setq lim (c-most-enclosing-brace c-state-cache (point)))
1451: (c-beginning-of-statement-1 lim)
1452: (c-add-stmt-syntax 'brace-list-intro nil t lim paren-state)))
1453:
1454: ;; CASE 9D: this is just a later brace-list-entry or
1455: ;; brace-entry-open
1456: (t (if (or (eq char-after-ip ?{)
1457: (and c-special-brace-lists
1458: (save-excursion
1459: (goto-char indent-point)
1460: (c-forward-syntactic-ws (c-point 'eol))
1461: (c-looking-at-special-brace-list (point)))))
1462: (c-add-syntax 'brace-entry-open (point))
1463: (c-add-syntax 'brace-list-entry (point))
1464: ))
1465: ))))
1466:
1467: ;; CASE 10: A continued statement or top level construct.
1468: ((and (not (memq char-before-ip '(?\; ?:)))
1469: (not (c-at-vsemi-p before-ws-ip))
1470: (or (not (eq char-before-ip ?}))
1471: (c-looking-at-inexpr-block-backward c-state-cache))
1472: (> (point)
1473: (save-excursion
1474: (c-beginning-of-statement-1 containing-sexp)
1475: (setq placeholder (point))))
1476: (/= placeholder containing-sexp))
1477: ;; This is shared with case 18.
1478: (c-guess-continued-construct indent-point
1479: char-after-ip
1480: placeholder
1481: containing-sexp
1482: paren-state))
1483:
1484: ;; CASE 16: block close brace, possibly closing the defun or
1485: ;; the class
1486: ((eq char-after-ip ?})
1487: ;; From here on we have the next containing sexp in lim.
1488: (setq lim (c-most-enclosing-brace paren-state))
1489: (goto-char containing-sexp)
1490: (cond
1491:
1492: ;; CASE 16E: Closing a statement block? This catches
1493: ;; cases where it's preceded by a statement keyword,
1494: ;; which works even when used in an "invalid" context,
1495: ;; e.g. a macro argument.
1496: ((c-after-conditional)
1497: (c-backward-to-block-anchor lim)
1498: (c-add-stmt-syntax 'block-close nil t lim paren-state))
1499:
1500: ;; CASE 16A: closing a lambda defun or an in-expression
1501: ;; block? C.f. cases 4, 7B and 17E.
1502: ((setq placeholder (c-looking-at-inexpr-block
1503: (c-safe-position containing-sexp paren-state)
1504: nil))
1505: (setq tmpsymbol (if (eq (car placeholder) 'inlambda)
1506: 'inline-close
1507: 'block-close))
1508: (goto-char containing-sexp)
1509: (back-to-indentation)
1510: (if (= containing-sexp (point))
1511: (c-add-syntax tmpsymbol (point))
1512: (goto-char (cdr placeholder))
1513: (back-to-indentation)
1514: (c-add-stmt-syntax tmpsymbol nil t
1515: (c-most-enclosing-brace paren-state (point))
1516: paren-state)
1517: (if (/= (point) (cdr placeholder))
1518: (c-add-syntax (car placeholder)))))
1519:
1520: ;; CASE 16B: does this close an inline or a function in
1521: ;; a non-class declaration level block?
1522: ((save-excursion
1523: (and lim
1524: (progn
1525: (goto-char lim)
1526: (c-looking-at-decl-block
1527: (c-most-enclosing-brace paren-state lim)
1528: nil))
1529: (setq placeholder (point))))
1530: (c-backward-to-decl-anchor lim)
1531: (back-to-indentation)
1532: (if (save-excursion
1533: (goto-char placeholder)
1534: (looking-at c-other-decl-block-key))
1535: (c-add-syntax 'defun-close (point))
1536: (c-add-syntax 'inline-close (point))))
1537:
1538: ;; CASE 16F: Can be a defun-close of a function declared
1539: ;; in a statement block, e.g. in Pike or when using gcc
1540: ;; extensions, but watch out for macros followed by
1541: ;; blocks. Let it through to be handled below.
1542: ;; C.f. cases B.3 and 17G.
1543: ((save-excursion
1544: (and (not (c-at-statement-start-p))
1545: (eq (c-beginning-of-statement-1 lim nil nil t) 'same)
1546: (setq placeholder (point))
1547: (let ((c-recognize-typeless-decls nil))
1548: ;; Turn off recognition of constructs that
1549: ;; lacks a type in this case, since that's more
1550: ;; likely to be a macro followed by a block.
1551: (c-forward-decl-or-cast-1 (c-point 'bosws) nil nil))))
1552: (back-to-indentation)
1553: (if (/= (point) containing-sexp)
1554: (goto-char placeholder))
1555: (c-add-stmt-syntax 'defun-close nil t lim paren-state))
1556:
1557: ;; CASE 16C: If there is an enclosing brace then this is
1558: ;; a block close since defun closes inside declaration
1559: ;; level blocks have been handled above.
1560: (lim
1561: ;; If the block is preceded by a case/switch label on
1562: ;; the same line, we anchor at the first preceding label
1563: ;; at boi. The default handling in c-add-stmt-syntax
1564: ;; really fixes it better, but we do like this to keep
1565: ;; the indentation compatible with version 5.28 and
1566: ;; earlier. C.f. case 17H.
1567: (while (and (/= (setq placeholder (point)) (c-point 'boi))
1568: (eq (c-beginning-of-statement-1 lim) 'label)))
1569: (goto-char placeholder)
1570: (if (looking-at c-label-kwds-regexp)
1571: (c-add-syntax 'block-close (point))
1572: (goto-char containing-sexp)
1573: ;; c-backward-to-block-anchor not necessary here; those
1574: ;; situations are handled in case 16E above.
1575: (c-add-stmt-syntax 'block-close nil t lim paren-state)))
1576:
1577: ;; CASE 16D: Only top level defun close left.
1578: (t
1579: (goto-char containing-sexp)
1580: (c-backward-to-decl-anchor lim)
1581: (c-add-stmt-syntax 'defun-close nil nil
1582: (c-most-enclosing-brace paren-state)
1583: paren-state))
1584: ))
1585:
1586: ;; CASE 17: Statement or defun catchall.
1587: (t
1588: (goto-char indent-point)
1589: ;; Back up statements until we find one that starts at boi.
1590: (while (let* ((prev-point (point))
1591: (last-step-type (c-beginning-of-statement-1
1592: containing-sexp)))
1593: (if (= (point) prev-point)
1594: (progn
1595: (setq step-type (or step-type last-step-type))
1596: nil)
1597: (setq step-type last-step-type)
1598: (/= (point) (c-point 'boi)))))
1599: (cond
1600:
1601: ;; CASE 17B: continued statement
1602: ((and (eq step-type 'same)
1603: (/= (point) indent-point))
1604: (c-add-stmt-syntax 'statement-cont nil nil
1605: containing-sexp paren-state))
1606:
1607: ;; CASE 17A: After a case/default label?
1608: ((progn
1609: (while (and (eq step-type 'label)
1610: (not (looking-at c-label-kwds-regexp)))
1611: (setq step-type
1612: (c-beginning-of-statement-1 containing-sexp)))
1613: (eq step-type 'label))
1614: (c-add-stmt-syntax (if (eq char-after-ip ?{)
1615: 'statement-case-open
1616: 'statement-case-intro)
1617: nil t containing-sexp paren-state))
1618:
1619: ;; CASE 17D: any old statement
1620: ((progn
1621: (while (eq step-type 'label)
1622: (setq step-type
1623: (c-beginning-of-statement-1 containing-sexp)))
1624: (eq step-type 'previous))
1625: (c-add-stmt-syntax 'statement nil t
1626: containing-sexp paren-state)
1627: (if (eq char-after-ip ?{)
1628: (c-add-syntax 'block-open)))
1629:
1630: ;; CASE 17I: Inside a substatement block.
1631: ((progn
1632: ;; The following tests are all based on containing-sexp.
1633: (goto-char containing-sexp)
1634: ;; From here on we have the next containing sexp in lim.
1635: (setq lim (c-most-enclosing-brace paren-state containing-sexp))
1636: (c-after-conditional))
1637: (c-backward-to-block-anchor lim)
1638: (c-add-stmt-syntax 'statement-block-intro nil t
1639: lim paren-state)
1640: (if (eq char-after-ip ?{)
1641: (c-add-syntax 'block-open)))
1642:
1643: ;; CASE 17E: first statement in an in-expression block.
1644: ;; C.f. cases 4, 7B and 16A.
1645: ((setq placeholder (c-looking-at-inexpr-block
1646: (c-safe-position containing-sexp paren-state)
1647: nil))
1648: (setq tmpsymbol (if (eq (car placeholder) 'inlambda)
1649: 'defun-block-intro
1650: 'statement-block-intro))
1651: (back-to-indentation)
1652: (if (= containing-sexp (point))
1653: (c-add-syntax tmpsymbol (point))
1654: (goto-char (cdr placeholder))
1655: (back-to-indentation)
1656: (c-add-stmt-syntax tmpsymbol nil t
1657: (c-most-enclosing-brace c-state-cache (point))
1658: paren-state)
1659: (if (/= (point) (cdr placeholder))
1660: (c-add-syntax (car placeholder))))
1661: (if (eq char-after-ip ?{)
1662: (c-add-syntax 'block-open)))
1663:
1664: ;; CASE 17F: first statement in an inline, or first
1665: ;; statement in a top-level defun. we can tell this is it
1666: ;; if there are no enclosing braces that haven't been
1667: ;; narrowed out by a class (i.e. don't use bod here).
1668: ((save-excursion
1669: (or (not (setq placeholder (c-most-enclosing-brace
1670: paren-state)))
1671: (and (progn
1672: (goto-char placeholder)
1673: (eq (char-after) ?{))
1674: (c-looking-at-decl-block (c-most-enclosing-brace
1675: paren-state (point))
1676: nil))))
1677: (c-backward-to-decl-anchor lim)
1678: (back-to-indentation)
1679: (c-add-syntax 'defun-block-intro (point)))
1680:
1681: ;; CASE 17G: First statement in a function declared inside
1682: ;; a normal block. This can occur in Pike and with
1683: ;; e.g. the gcc extensions, but watch out for macros
1684: ;; followed by blocks. C.f. cases B.3 and 16F.
1685: ((save-excursion
1686: (and (not (c-at-statement-start-p))
1687: (eq (c-beginning-of-statement-1 lim nil nil t) 'same)
1688: (setq placeholder (point))
1689: (let ((c-recognize-typeless-decls nil))
1690: ;; Turn off recognition of constructs that lacks
1691: ;; a type in this case, since that's more likely
1692: ;; to be a macro followed by a block.
1693: (c-forward-decl-or-cast-1 (c-point 'bosws) nil nil))))
1694: (back-to-indentation)
1695: (if (/= (point) containing-sexp)
1696: (goto-char placeholder))
1697: (c-add-stmt-syntax 'defun-block-intro nil t
1698: lim paren-state))
1699:
1700: ;; CASE 17H: First statement in a block.
1701: (t
1702: ;; If the block is preceded by a case/switch label on the
1703: ;; same line, we anchor at the first preceding label at
1704: ;; boi. The default handling in c-add-stmt-syntax is
1705: ;; really fixes it better, but we do like this to keep the
1706: ;; indentation compatible with version 5.28 and earlier.
1707: ;; C.f. case 16C.
1708: (while (and (/= (setq placeholder (point)) (c-point 'boi))
1709: (eq (c-beginning-of-statement-1 lim) 'label)))
1710: (goto-char placeholder)
1711: (if (looking-at c-label-kwds-regexp)
1712: (c-add-syntax 'statement-block-intro (point))
1713: (goto-char containing-sexp)
1714: ;; c-backward-to-block-anchor not necessary here; those
1715: ;; situations are handled in case 17I above.
1716: (c-add-stmt-syntax 'statement-block-intro nil t
1717: lim paren-state))
1718: (if (eq char-after-ip ?{)
1719: (c-add-syntax 'block-open)))
1720: ))
1721: )
1722:
1723: ;; now we need to look at any modifiers
1724: (goto-char indent-point)
1725: (skip-chars-forward " \t")
1726:
1727: ;; are we looking at a comment only line?
1728: (when (and (looking-at c-comment-start-regexp)
1729: (/= (c-forward-token-2 0 nil (c-point 'eol)) 0))
1730: (c-append-syntax 'comment-intro))
1731:
1732: ;; we might want to give additional offset to friends (in C++).
1733: (when (and c-opt-friend-key
1734: (looking-at c-opt-friend-key))
1735: (c-append-syntax 'friend))
1736:
1737: ;; Set syntactic-relpos.
1738: (let ((p c-syntactic-context))
1739: (while (and p
1740: (if (integerp (c-langelem-pos (car p)))
1741: (progn
1742: (setq syntactic-relpos (c-langelem-pos (car p)))
1743: nil)
1744: t))
1745: (setq p (cdr p))))
1746:
1747: ;; Start of or a continuation of a preprocessor directive?
1748: (if (and macro-start
1749: (eq macro-start (c-point 'boi))
1750: (not (and (c-major-mode-is 'pike-mode)
1751: (eq (char-after (1+ macro-start)) ?\"))))
1752: (c-append-syntax 'cpp-macro)
1753: (when (and c-syntactic-indentation-in-macros macro-start)
1754: (if in-macro-expr
1755: (when (or
1756: (< syntactic-relpos macro-start)
1757: (not (or
1758: (assq 'arglist-intro c-syntactic-context)
1759: (assq 'arglist-cont c-syntactic-context)
1760: (assq 'arglist-cont-nonempty c-syntactic-context)
1761: (assq 'arglist-close c-syntactic-context))))
1762: ;; If inside a cpp expression, i.e. anywhere in a
1763: ;; cpp directive except a #define body, we only let
1764: ;; through the syntactic analysis that is internal
1765: ;; in the expression. That means the arglist
1766: ;; elements, if they are anchored inside the cpp
1767: ;; expression.
1768: (setq c-syntactic-context nil)
1769: (c-add-syntax 'cpp-macro-cont macro-start))
1770: (when (and (eq macro-start syntactic-relpos)
1771: (not (assq 'cpp-define-intro c-syntactic-context))
1772: (save-excursion
1773: (goto-char macro-start)
1774: (or (not (c-forward-to-cpp-define-body))
1775: (<= (point) (c-point 'boi indent-point)))))
1776: ;; Inside a #define body and the syntactic analysis is
1777: ;; anchored on the start of the #define. In this case
1778: ;; we add cpp-define-intro to get the extra
1779: ;; indentation of the #define body.
1780: (c-add-syntax 'cpp-define-intro)))))
1781:
1782: ;; return the syntax
1783: c-syntactic-context)))
1784:
1785: ;;;; End of `asir-c-guess-basic-syntax'
1786:
1787: (provide 'asir-mode)
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