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1.1 ! root 1: ;; Terminal emulator for GNU Emacs. ! 2: ;; Copyright (C) 1986, 1987 Free Software Foundation, Inc. ! 3: ;; Written by Richard Mlynarik, November 1986. ! 4: ! 5: ;; This file is part of GNU Emacs. ! 6: ! 7: ;; GNU Emacs 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 1, or (at your option) ! 10: ;; any later version. ! 11: ! 12: ;; GNU Emacs 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 ! 19: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. ! 20: ! 21: ;;>>TODO ! 22: ;;>> terminfo? ! 23: ;;>> ** Nothing can be done about emacs' meta-lossage ** ! 24: ;;>> (without redoing keymaps `sanely' -- ask Mly for details) ! 25: ! 26: ;;>> One probably wants to do setenv MORE -c when running with ! 27: ;;>> more-processing enabled. ! 28: ! 29: (provide 'terminal) ! 30: (require 'ehelp) ! 31: ! 32: (defvar terminal-escape-char ?\C-^ ! 33: "*All characters except for this are passed verbatim through the ! 34: terminal-emulator. This character acts as a prefix for commands ! 35: to the emulator program itself. Type this character twice to send ! 36: it through the emulator. Type ? after typing it for a list of ! 37: possible commands. ! 38: This variable is local to each terminal-emulator buffer.") ! 39: ! 40: (defvar terminal-scrolling t ! 41: "*If non-nil, the terminal-emulator will `scroll' when output occurs ! 42: past the bottom of the screen. If nil, output will `wrap' to the top ! 43: of the screen. ! 44: This variable is local to each terminal-emulator buffer.") ! 45: ! 46: (defvar terminal-more-processing t ! 47: "*If non-nil, do more-processing. ! 48: This variable is local to each terminal-emulator buffer.") ! 49: ! 50: ;; If you are the sort of loser who uses scrolling without more breaks ! 51: ;; and expects to actually see anything, you should probably set this to ! 52: ;; around 400 ! 53: (defvar terminal-redisplay-interval 5000 ! 54: "*Maximum number of characters which will be processed by the ! 55: terminal-emulator before a screen redisplay is forced. ! 56: Set this to a large value for greater throughput, ! 57: set it smaller for more frequent updates but overall slower ! 58: performance.") ! 59: ! 60: (defvar terminal-more-break-insertion ! 61: "*** More break -- Press space to continue ***") ! 62: ! 63: (defvar terminal-escape-map nil) ! 64: (defvar terminal-map nil) ! 65: (defvar terminal-more-break-map nil) ! 66: (if terminal-map ! 67: nil ! 68: (let ((map (make-keymap))) ! 69: (fillarray map 'te-pass-through) ! 70: ;(define-key map "\C-l" ! 71: ; '(lambda () (interactive) (te-pass-through) (redraw-display))) ! 72: (setq terminal-map map))) ! 73: ! 74: ;(setq terminal-escape-map nil) ! 75: (if terminal-escape-map ! 76: nil ! 77: (let ((map (make-keymap))) ! 78: ;(fillarray map 'te-escape-extended-command-unread) ! 79: (fillarray map 'undefined) ! 80: (let ((s "0")) ! 81: (while (<= (aref s 0) ?9) ! 82: (define-key map s 'digit-argument) ! 83: (aset s 0 (1+ (aref s 0))))) ! 84: (define-key map "b" 'switch-to-buffer) ! 85: (define-key map "o" 'other-window) ! 86: (define-key map "e" 'te-set-escape-char) ! 87: (define-key map "\C-l" 'redraw-display) ! 88: (define-key map "\C-o" 'te-flush-pending-output) ! 89: (define-key map "m" 'te-toggle-more-processing) ! 90: (define-key map "x" 'te-escape-extended-command) ! 91: (define-key map "?" 'te-escape-help) ! 92: (define-key map (char-to-string help-char) 'te-escape-help) ! 93: (setq terminal-escape-map map))) ! 94: ! 95: (defvar te-escape-command-alist ()) ! 96: ;(setq te-escape-command-alist ()) ! 97: (if te-escape-command-alist ! 98: nil ! 99: (setq te-escape-command-alist ! 100: '(("Set Escape Character" . te-set-escape-char) ! 101: ("Refresh" . redraw-display) ! 102: ("Record Output" . te-set-output-log) ! 103: ("Photo" . te-set-output-log) ! 104: ("Tofu" . te-tofu) ;; confuse the uninitiated ! 105: ("Stuff Input" . te-stuff-string) ! 106: ("Flush Pending Output" . te-flush-pending-output) ! 107: ("Enable More Processing" . te-enable-more-processing) ! 108: ("Disable More Processing" . te-disable-more-processing) ! 109: ("Scroll at end of page" . te-do-scrolling) ! 110: ("Wrap at end of page" . te-do-wrapping) ! 111: ("Switch To Buffer" . switch-to-buffer) ! 112: ("Other Window" . other-window) ! 113: ("Kill Buffer" . kill-buffer) ! 114: ("Help" . te-escape-help) ! 115: ("Set Redisplay Interval" . te-set-redisplay-interval) ! 116: ))) ! 117: ! 118: ;(setq terminal-more-break-map nil) ! 119: (if terminal-more-break-map ! 120: nil ! 121: (let ((map (make-keymap))) ! 122: (fillarray map 'te-more-break-unread) ! 123: (define-key map (char-to-string help-char) 'te-more-break-help) ! 124: (define-key map " " 'te-more-break-resume) ! 125: (define-key map "\C-l" 'redraw-display) ! 126: (define-key map "\C-o" 'te-more-break-flush-pending-output) ! 127: ;;>>> this isn't right ! 128: ;(define-key map "\^?" 'te-more-break-flush-pending-output) ;DEL ! 129: (define-key map "\r" 'te-more-break-advance-one-line) ! 130: ! 131: (setq terminal-more-break-map map))) ! 132: ! 133: ! 134: ;;;; escape map ! 135: ! 136: (defun te-escape () ! 137: (interactive) ! 138: (let (s ! 139: (local (current-local-map)) ! 140: (global (current-global-map))) ! 141: (unwind-protect ! 142: (progn ! 143: (use-global-map terminal-escape-map) ! 144: (use-local-map terminal-escape-map) ! 145: (setq s (read-key-sequence ! 146: (if prefix-arg ! 147: (format "Emacs Terminal escape> %d " ! 148: (prefix-numeric-value prefix-arg)) ! 149: "Emacs Terminal escape> ")))) ! 150: (use-global-map global) ! 151: (use-local-map local)) ! 152: (message "") ! 153: (cond ((string= s (make-string 1 terminal-escape-char)) ! 154: (setq last-command-char terminal-escape-char) ! 155: (let ((terminal-escape-char -259)) ! 156: (te-pass-through))) ! 157: ((setq s (lookup-key terminal-escape-map s)) ! 158: (call-interactively s))))) ! 159: ! 160: (defun te-escape-help () ! 161: "Provide help on commands available after terminal-escape-char is typed." ! 162: (interactive) ! 163: (message "Terminal emulator escape help...") ! 164: (let ((char (single-key-description terminal-escape-char))) ! 165: (with-electric-help ! 166: (function (lambda () ! 167: (princ (format "Terminal-emulator escape, invoked by \"%s\" ! 168: Type \"%s\" twice to send a single \"%s\" through. ! 169: ! 170: Other chars following \"%s\" are interpreted as follows:\n" ! 171: char char char char)) ! 172: ! 173: (princ (substitute-command-keys "\\{terminal-escape-map}\n")) ! 174: (princ (format "\nSubcommands of \"%s\" (%s)\n" ! 175: (where-is-internal 'te-escape-extended-command ! 176: terminal-escape-map t) ! 177: 'te-escape-extended-command)) ! 178: (let ((l (if (fboundp 'sortcar) ! 179: (sortcar (copy-sequence te-escape-command-alist) ! 180: 'string<) ! 181: (sort (copy-sequence te-escape-command-alist) ! 182: (function (lambda (a b) ! 183: (string< (car a) (car b)))))))) ! 184: (while l ! 185: (let ((doc (or (documentation (cdr (car l))) ! 186: "Not documented"))) ! 187: (if (string-match "\n" doc) ! 188: ;; just use first line of documentation ! 189: (setq doc (substring doc 0 (match-beginning 0)))) ! 190: (princ " \"") ! 191: (princ (car (car l))) ! 192: (princ "\":\n ") ! 193: (princ doc) ! 194: (write-char ?\n)) ! 195: (setq l (cdr l)))) ! 196: nil))))) ! 197: ! 198: ! 199: ! 200: (defun te-escape-extended-command () ! 201: (interactive) ! 202: (let ((c (let ((completion-ignore-case t)) ! 203: (completing-read "terminal command: " ! 204: te-escape-command-alist ! 205: nil t)))) ! 206: (if c ! 207: (catch 'foo ! 208: (setq c (downcase c)) ! 209: (let ((l te-escape-command-alist)) ! 210: (while l ! 211: (if (string= c (downcase (car (car l)))) ! 212: (throw 'foo (call-interactively (cdr (car l)))) ! 213: (setq l (cdr l))))))))) ! 214: ! 215: ;; not used. ! 216: (defun te-escape-extended-command-unread () ! 217: (interactive) ! 218: (setq unread-command-char last-input-char) ! 219: (te-escape-extended-command)) ! 220: ! 221: (defun te-set-escape-char (c) ! 222: "Change the terminal-emulator escape character." ! 223: (interactive "cSet escape character to: ") ! 224: (let ((o terminal-escape-char)) ! 225: (message (if (= o c) ! 226: "\"%s\" is escape char" ! 227: "\"%s\" is now escape; \"%s\" passes though") ! 228: (single-key-description c) ! 229: (single-key-description o)) ! 230: (setq terminal-escape-char c))) ! 231: ! 232: ! 233: (defun te-stuff-string (string) ! 234: "Read a string to send to through the terminal emulator ! 235: as though that string had been typed on the keyboard. ! 236: ! 237: Very poor man's file transfer protocol." ! 238: (interactive "sStuff string: ") ! 239: (process-send-string te-process string)) ! 240: ! 241: (defun te-set-output-log (name) ! 242: "Record output from the terminal emulator in a buffer." ! 243: (interactive (list (if te-log-buffer ! 244: nil ! 245: (read-buffer "Record output in buffer: " ! 246: (format "%s output-log" ! 247: (buffer-name (current-buffer))) ! 248: nil)))) ! 249: (if (or (null name) (equal name "")) ! 250: (progn (setq te-log-buffer nil) ! 251: (message "Output logging off.")) ! 252: (if (get-buffer name) ! 253: nil ! 254: (save-excursion ! 255: (set-buffer (get-buffer-create name)) ! 256: (fundamental-mode) ! 257: (buffer-flush-undo (current-buffer)) ! 258: (erase-buffer))) ! 259: (setq te-log-buffer (get-buffer name)) ! 260: (message "Recording terminal emulator output into buffer \"%s\"" ! 261: (buffer-name te-log-buffer)))) ! 262: ! 263: (defun te-tofu () ! 264: "Discontinue output log." ! 265: (interactive) ! 266: (te-set-output-log nil)) ! 267: ! 268: ! 269: (defun te-toggle (sym arg) ! 270: (set sym (cond ((not (numberp arg)) arg) ! 271: ((= arg 1) (not (symbol-value sym))) ! 272: ((< arg 0) nil) ! 273: (t t)))) ! 274: ! 275: (defun te-toggle-more-processing (arg) ! 276: (interactive "p") ! 277: (message (if (te-toggle 'terminal-more-processing arg) ! 278: "More processing on" "More processing off")) ! 279: (if terminal-more-processing (setq te-more-count -1))) ! 280: ! 281: (defun te-toggle-scrolling (arg) ! 282: (interactive "p") ! 283: (message (if (te-toggle 'terminal-scrolling arg) ! 284: "Scroll at end of page" "Wrap at end of page"))) ! 285: ! 286: (defun te-enable-more-processing () ! 287: "Enable ** MORE ** processing" ! 288: (interactive) ! 289: (te-toggle-more-processing t)) ! 290: ! 291: (defun te-disable-more-processing () ! 292: "Disable ** MORE ** processing" ! 293: (interactive) ! 294: (te-toggle-more-processing nil)) ! 295: ! 296: (defun te-do-scrolling () ! 297: "Scroll at end of page (yuck)" ! 298: (interactive) ! 299: (te-toggle-scrolling t)) ! 300: ! 301: (defun te-do-wrapping () ! 302: "Wrap to top of window at end of page" ! 303: (interactive) ! 304: (te-toggle-scrolling nil)) ! 305: ! 306: ! 307: (defun te-set-redisplay-interval (arg) ! 308: "Set the maximum interval (in output characters) between screen updates. ! 309: Set this number to large value for greater throughput, ! 310: set it smaller for more frequent updates (but overall slower performance." ! 311: (interactive "NMax number of output chars between redisplay updates: ") ! 312: (setq arg (max arg 1)) ! 313: (setq terminal-redisplay-interval arg ! 314: te-redisplay-count 0)) ! 315: ! 316: ;;;; more map ! 317: ! 318: ;; every command -must- call te-more-break-unwind ! 319: ;; or grave lossage will result ! 320: ! 321: (put 'te-more-break-unread 'suppress-keymap t) ! 322: (defun te-more-break-unread () ! 323: (interactive) ! 324: (if (= last-input-char terminal-escape-char) ! 325: (call-interactively 'te-escape) ! 326: (message "Continuing from more break (\"%s\" typed, %d chars output pending...)" ! 327: (single-key-description last-input-char) ! 328: (te-pending-output-length)) ! 329: (setq te-more-count 259259) ! 330: (te-more-break-unwind) ! 331: (let ((terminal-more-processing nil)) ! 332: (te-pass-through)))) ! 333: ! 334: (defun te-more-break-resume () ! 335: "Proceed past the **MORE** break, ! 336: allowing the next page of output to appear" ! 337: (interactive) ! 338: (message "Continuing from more break") ! 339: (te-more-break-unwind)) ! 340: ! 341: (defun te-more-break-help () ! 342: "Provide help on commands available in a terminal-emulator **MORE** break" ! 343: (interactive) ! 344: (message "Terminal-emulator more break help...") ! 345: (sit-for 0) ! 346: (with-electric-help ! 347: (function (lambda () ! 348: (princ "Terminal-emulator more break.\n\n") ! 349: (princ (format "Type \"%s\" (te-more-break-resume)\n%s\n" ! 350: (where-is-internal 'te-more-break-resume ! 351: terminal-more-break-map t) ! 352: (documentation 'te-more-break-resume))) ! 353: (princ (substitute-command-keys "\\{terminal-more-break-map}\n")) ! 354: (princ "Any other key is passed through to the program ! 355: running under the terminal emulator and disables more processing until ! 356: all pending output has been dealt with.") ! 357: nil)))) ! 358: ! 359: ! 360: (defun te-more-break-advance-one-line () ! 361: "Allow one more line of text to be output before doing another more break." ! 362: (interactive) ! 363: (setq te-more-count 1) ! 364: (te-more-break-unwind)) ! 365: ! 366: (defun te-more-break-flush-pending-output () ! 367: "Discard any output which has been received by the terminal emulator but ! 368: not yet proceesed and then proceed from the more break." ! 369: (interactive) ! 370: (te-more-break-unwind) ! 371: (te-flush-pending-output)) ! 372: ! 373: (defun te-flush-pending-output () ! 374: "Discard any as-yet-unprocessed output which has been received by ! 375: the terminal emulator." ! 376: (interactive) ! 377: ;; this could conceivably be confusing in the presence of ! 378: ;; escape-sequences spanning process-output chunks ! 379: (if (null (cdr te-pending-output)) ! 380: (message "(There is no output pending)") ! 381: (let ((length (te-pending-output-length))) ! 382: (message "Flushing %d chars of pending output" length) ! 383: (setq te-pending-output ! 384: (list 0 (format "\n*** %d chars of pending output flushed ***\n" ! 385: length))) ! 386: (te-update-pending-output-display) ! 387: (te-process-output nil) ! 388: (sit-for 0)))) ! 389: ! 390: ! 391: (defun te-pass-through () ! 392: "Send the last character typed through the terminal-emulator ! 393: without any interpretation" ! 394: (interactive) ! 395: (if (eql last-input-char terminal-escape-char) ! 396: (call-interactively 'te-escape) ! 397: (and terminal-more-processing ! 398: (null (cdr te-pending-output)) ! 399: (te-set-more-count nil)) ! 400: (send-string te-process (make-string 1 last-input-char)) ! 401: (te-process-output t))) ! 402: ! 403: (defun te-set-window-start () ! 404: (let* ((w (get-buffer-window (current-buffer))) ! 405: (h (if w (window-height w)))) ! 406: (cond ((not w)) ; buffer not displayed ! 407: ((>= h (/ (- (point) (point-min)) (1+ te-width))) ! 408: ;; this is the normal case ! 409: (set-window-start w (point-min))) ! 410: ;; this happens if some vandal shrinks our window. ! 411: ((>= h (/ (- (point-max) (point)) (1+ te-width))) ! 412: (set-window-start w (- (point-max) (* h (1+ te-width)) -1))) ! 413: ;; I give up. ! 414: (t nil)))) ! 415: ! 416: (defun te-pending-output-length () ! 417: (let ((length (car te-pending-output)) ! 418: (tem (cdr te-pending-output))) ! 419: (while tem ! 420: (setq length (+ length (length (car tem))) tem (cdr tem))) ! 421: length)) ! 422: ! 423: ;;;; more break hair ! 424: ! 425: (defun te-more-break () ! 426: (te-set-more-count t) ! 427: (make-local-variable 'te-more-old-point) ! 428: (setq te-more-old-point (point)) ! 429: (make-local-variable 'te-more-old-local-map) ! 430: (setq te-more-old-local-map (current-local-map)) ! 431: (use-local-map terminal-more-break-map) ! 432: (make-local-variable 'te-more-old-filter) ! 433: (setq te-more-old-filter (process-filter te-process)) ! 434: (make-local-variable 'te-more-old-mode-line-format) ! 435: (setq te-more-old-mode-line-format mode-line-format ! 436: mode-line-format (list "-- **MORE** " ! 437: mode-line-buffer-identification ! 438: "%-")) ! 439: (set-process-filter te-process ! 440: (function (lambda (process string) ! 441: (save-excursion ! 442: (set-buffer (process-buffer process)) ! 443: (setq te-pending-output (nconc te-pending-output ! 444: (list string)))) ! 445: (te-update-pending-output-display)))) ! 446: (te-update-pending-output-display) ! 447: (if (eq (window-buffer (selected-window)) (current-buffer)) ! 448: (message "More break ")) ! 449: (or (eobp) ! 450: (null terminal-more-break-insertion) ! 451: (save-excursion ! 452: (forward-char 1) ! 453: (delete-region (point) (+ (point) te-width)) ! 454: (insert terminal-more-break-insertion))) ! 455: (run-hooks 'terminal-more-break-hook) ! 456: (sit-for 0) ;get display to update ! 457: (throw 'te-process-output t)) ! 458: ! 459: (defun te-more-break-unwind () ! 460: (use-local-map te-more-old-local-map) ! 461: (set-process-filter te-process te-more-old-filter) ! 462: (goto-char te-more-old-point) ! 463: (setq mode-line-format te-more-old-mode-line-format) ! 464: (set-buffer-modified-p (buffer-modified-p)) ! 465: (let ((buffer-read-only nil)) ! 466: (cond ((eobp)) ! 467: (terminal-more-break-insertion ! 468: (forward-char 1) ! 469: (delete-region (point) ! 470: (+ (point) (length terminal-more-break-insertion))) ! 471: (insert-char ?\ te-width) ! 472: (goto-char te-more-old-point))) ! 473: (setq te-more-old-point nil) ! 474: (let ((te-more-count 259259)) ! 475: (te-newline))) ! 476: ;(sit-for 0) ! 477: (te-process-output t)) ! 478: ! 479: (defun te-set-more-count (newline) ! 480: (let ((line (/ (- (point) (point-min)) (1+ te-width)))) ! 481: (if newline (setq line (1+ line))) ! 482: (cond ((= line te-height) ! 483: (setq te-more-count te-height)) ! 484: ;>>>> something is strange. Investigate this! ! 485: ((= line (1- te-height)) ! 486: (setq te-more-count te-height)) ! 487: ((or (< line (/ te-height 2)) ! 488: (> (- te-height line) 10)) ! 489: ;; break at end of this page ! 490: (setq te-more-count (- te-height line))) ! 491: (t ! 492: ;; migrate back towards top (ie bottom) of screen. ! 493: (setq te-more-count (- te-height ! 494: (if (> te-height 10) 2 1))))))) ! 495: ! 496: ! 497: ;;;; More or less straight-forward terminal escapes ! 498: ! 499: ;; ^j, meaning `newline' to non-display programs. ! 500: ;; (Who would think of ever writing a system which doesn't understand ! 501: ;; display terminals natively? Un*x: The Operating System of the Future.) ! 502: (defun te-newline () ! 503: "Move down a line, optionally do more processing, perhaps wrap/scroll, ! 504: move to start of new line, clear to end of line." ! 505: (end-of-line) ! 506: (cond ((not terminal-more-processing)) ! 507: ((< (setq te-more-count (1- te-more-count)) 0) ! 508: (te-set-more-count t)) ! 509: ((eql te-more-count 0) ! 510: ;; this doesn't return ! 511: (te-more-break))) ! 512: (if (eobp) ! 513: (progn ! 514: (delete-region (point-min) (+ (point-min) te-width)) ! 515: (goto-char (point-min)) ! 516: (if terminal-scrolling ! 517: (progn (delete-char 1) ! 518: (goto-char (point-max)) ! 519: (insert ?\n)))) ! 520: (forward-char 1) ! 521: (delete-region (point) (+ (point) te-width))) ! 522: (insert-char ?\ te-width) ! 523: (beginning-of-line) ! 524: (te-set-window-start)) ! 525: ! 526: ;; ^p ^j ! 527: ;; Handle the `do' or `nl' termcap capability. ! 528: ;;>> I am not sure why this broken, obsolete, capability is here. ! 529: ;;>> Perhaps it is for VIle. No comment was made about why it ! 530: ;;>> was added (in "Sun Dec 6 01:22:27 1987 Richard Stallman") ! 531: (defun te-down-vertically-or-scroll () ! 532: "Move down a line vertically, or scroll at bottom." ! 533: (let ((column (current-column))) ! 534: (end-of-line) ! 535: (if (eobp) ! 536: (progn ! 537: (delete-region (point-min) (+ (point-min) te-width)) ! 538: (goto-char (point-min)) ! 539: (delete-char 1) ! 540: (goto-char (point-max)) ! 541: (insert ?\n) ! 542: (insert-char ?\ te-width) ! 543: (beginning-of-line)) ! 544: (forward-line 1)) ! 545: (move-to-column column)) ! 546: (te-set-window-start)) ! 547: ! 548: ; ^p = x+32 y+32 ! 549: (defun te-move-to-position () ! 550: ;; must offset by #o40 since cretinous unix won't send a 004 char through ! 551: (let ((y (- (te-get-char) 32)) ! 552: (x (- (te-get-char) 32))) ! 553: (if (or (> x te-width) ! 554: (> y te-height)) ! 555: () ;(error "fucked %d %d" x y) ! 556: (goto-char (+ (point-min) x (* y (1+ te-width)))) ! 557: ;(te-set-window-start?) ! 558: )) ! 559: (setq te-more-count -1)) ! 560: ! 561: ! 562: ! 563: ;; ^p c ! 564: (defun te-clear-rest-of-line () ! 565: (save-excursion ! 566: (let ((n (- (point) (progn (end-of-line) (point))))) ! 567: (delete-region (point) (+ (point) n)) ! 568: (insert-char ?\ (- n))))) ! 569: ! 570: ! 571: ;; ^p C ! 572: (defun te-clear-rest-of-screen () ! 573: (save-excursion ! 574: (te-clear-rest-of-line) ! 575: (while (progn (end-of-line) (not (eobp))) ! 576: (forward-char 1) (end-of-line) ! 577: (delete-region (- (point) te-width) (point)) ! 578: (insert-char ?\ te-width)))) ! 579: ! 580: ! 581: ;; ^p ^l ! 582: (defun te-clear-screen () ! 583: ;; regenerate buffer to compensate for (nonexistent!!) bugs. ! 584: (erase-buffer) ! 585: (let ((i 0)) ! 586: (while (< i te-height) ! 587: (setq i (1+ i)) ! 588: (insert-char ?\ te-width) ! 589: (insert ?\n))) ! 590: (delete-region (1- (point-max)) (point-max)) ! 591: (goto-char (point-min)) ! 592: (setq te-more-count -1)) ! 593: ! 594: ! 595: ;; ^p ^o count+32 ! 596: (defun te-insert-lines () ! 597: (if (not (bolp)) ! 598: ();(error "fooI") ! 599: (save-excursion ! 600: (let* ((line (- te-height (/ (- (point) (point-min)) (1+ te-width)) -1)) ! 601: (n (min (- (te-get-char) ?\ ) line)) ! 602: (i 0)) ! 603: (delete-region (- (point-max) (* n (1+ te-width))) (point-max)) ! 604: (if (eql (point) (point-max)) (insert ?\n)) ! 605: (while (< i n) ! 606: (setq i (1+ i)) ! 607: (insert-char ?\ te-width) ! 608: (or (eql i line) (insert ?\n)))))) ! 609: (setq te-more-count -1)) ! 610: ! 611: ! 612: ;; ^p ^k count+32 ! 613: (defun te-delete-lines () ! 614: (if (not (bolp)) ! 615: ();(error "fooD") ! 616: (let* ((line (- te-height (/ (- (point) (point-min)) (1+ te-width)) -1)) ! 617: (n (min (- (te-get-char) ?\ ) line)) ! 618: (i 0)) ! 619: (delete-region (point) ! 620: (min (+ (point) (* n (1+ te-width))) (point-max))) ! 621: (save-excursion ! 622: (goto-char (point-max)) ! 623: (while (< i n) ! 624: (setq i (1+ i)) ! 625: (insert-char ?\ te-width) ! 626: (or (eql i line) (insert ?\n)))))) ! 627: (setq te-more-count -1)) ! 628: ! 629: ;; ^p ^a ! 630: (defun te-beginning-of-line () ! 631: (beginning-of-line)) ! 632: ! 633: ;; ^p ^b ! 634: (defun te-backward-char () ! 635: (if (not (bolp)) ! 636: (backward-char 1))) ! 637: ! 638: ;; ^p ^f ! 639: (defun te-forward-char () ! 640: (if (not (eolp)) ! 641: (forward-char 1))) ! 642: ! 643: ! 644: ;; 0177 ! 645: (defun te-delete () ! 646: (if (bolp) ! 647: () ! 648: (delete-region (1- (point)) (point)) ! 649: (insert ?\ ) ! 650: (forward-char -1))) ! 651: ! 652: ;; ^p ^g ! 653: (defun te-beep () ! 654: (beep)) ! 655: ! 656: ! 657: ;; ^p _ count+32 ! 658: (defun te-insert-spaces () ! 659: (let* ((p (point)) ! 660: (n (min (- (te-get-char) 32) ! 661: (- (progn (end-of-line) (point)) p)))) ! 662: (if (<= n 0) ! 663: nil ! 664: (delete-char (- n)) ! 665: (goto-char p) ! 666: (insert-char ?\ n)) ! 667: (goto-char p))) ! 668: ! 669: ;; ^p d count+32 (should be ^p ^d but cretinous un*x won't send ^d chars!!!) ! 670: (defun te-delete-char () ! 671: (let* ((p (point)) ! 672: (n (min (- (te-get-char) 32) ! 673: (- (progn (end-of-line) (point)) p)))) ! 674: (if (<= n 0) ! 675: nil ! 676: (insert-char ?\ n) ! 677: (goto-char p) ! 678: (delete-char n)) ! 679: (goto-char p))) ! 680: ! 681: ! 682: ! 683: ;; disgusting unix-required shit ! 684: ;; Are we living twenty years in the past yet? ! 685: ! 686: (defun te-losing-unix () ! 687: ;(what lossage) ! 688: ;(message "fucking-unix: %d" char) ! 689: ) ! 690: ! 691: ;; ^i ! 692: (defun te-output-tab () ! 693: (let* ((p (point)) ! 694: (x (- p (progn (beginning-of-line) (point)))) ! 695: (l (min (- 8 (logand x 7)) ! 696: (progn (end-of-line) (- (point) p))))) ! 697: (goto-char (+ p l)))) ! 698: ! 699: ;; Also: ! 700: ;; ^m => beginning-of-line (for which it -should- be using ^p ^a, right?!!) ! 701: ;; ^g => te-beep (for which it should use ^p ^g) ! 702: ;; ^h => te-backward-char (for which it should use ^p ^b) ! 703: ! 704: ! 705: ! 706: (defun te-filter (process string) ! 707: (let* ((obuf (current-buffer)) ! 708: (m meta-flag)) ! 709: ;; can't use save-excursion, as that preserves point, which we don't want ! 710: (unwind-protect ! 711: (progn ! 712: (set-buffer (process-buffer process)) ! 713: (goto-char te-saved-point) ! 714: (and (bufferp te-log-buffer) ! 715: (if (null (buffer-name te-log-buffer)) ! 716: ;; killed ! 717: (setq te-log-buffer nil) ! 718: (set-buffer te-log-buffer) ! 719: (goto-char (point-max)) ! 720: (insert string) ! 721: (set-buffer (process-buffer process)))) ! 722: (setq te-pending-output (nconc te-pending-output (list string))) ! 723: (te-update-pending-output-display) ! 724: ;; this binding is needed because emacs looks at meta-flag when ! 725: ;; the keystroke is read from the keyboard, not when it is about ! 726: ;; to be fed into a keymap (or returned by read-char) ! 727: ;; There still could be some screws, though. ! 728: (let ((meta-flag m)) ! 729: (te-process-output (eq (current-buffer) ! 730: (window-buffer (selected-window))))) ! 731: (set-buffer (process-buffer process)) ! 732: (setq te-saved-point (point))) ! 733: (set-buffer obuf)))) ! 734: ! 735: ;; fucking unix has -such- braindamaged lack of tty control... ! 736: (defun te-process-output (preemptable) ! 737: ;;>> There seems no good reason to ever disallow preemption ! 738: (setq preemptable t) ! 739: (catch 'te-process-output ! 740: (let ((buffer-read-only nil) ! 741: (string nil) ostring start char (matchpos nil)) ! 742: (while (cdr te-pending-output) ! 743: (setq ostring string ! 744: start (car te-pending-output) ! 745: string (car (cdr te-pending-output)) ! 746: char (aref string start)) ! 747: (if (eql (setq start (1+ start)) (length string)) ! 748: (progn (setq te-pending-output ! 749: (cons 0 (cdr (cdr te-pending-output))) ! 750: start 0 ! 751: string (car (cdr te-pending-output))) ! 752: (te-update-pending-output-display)) ! 753: (setcar te-pending-output start)) ! 754: (if (and (> char ?\037) (< char ?\377)) ! 755: (cond ((eolp) ! 756: ;; unread char ! 757: (if (eql start 0) ! 758: (setq te-pending-output ! 759: (cons 0 (cons (make-string 1 char) ! 760: (cdr te-pending-output)))) ! 761: (setcar te-pending-output (1- start))) ! 762: (te-newline)) ! 763: ((null string) ! 764: (delete-char 1) (insert char) ! 765: (te-redisplay-if-necessary 1)) ! 766: (t ! 767: (let ((end (or (and (eq ostring string) matchpos) ! 768: (setq matchpos (string-match ! 769: "[\000-\037\177-\377]" ! 770: string start)) ! 771: (length string)))) ! 772: (delete-char 1) (insert char) ! 773: (setq char (point)) (end-of-line) ! 774: (setq end (min end (+ start (- (point) char)))) ! 775: (goto-char char) ! 776: (if (eql end matchpos) (setq matchpos nil)) ! 777: (delete-region (point) (+ (point) (- end start))) ! 778: (insert (if (and (eql start 0) ! 779: (eql end (length string))) ! 780: string ! 781: (substring string start end))) ! 782: (if (eql end (length string)) ! 783: (setq te-pending-output ! 784: (cons 0 (cdr (cdr te-pending-output)))) ! 785: (setcar te-pending-output end)) ! 786: (te-redisplay-if-necessary (1+ (- end start)))))) ! 787: ;; I suppose if I split the guts of this out into a separate ! 788: ;; function we could trivially emulate different terminals ! 789: ;; Who cares in any case? (Apart from stupid losers using rlogin) ! 790: (funcall ! 791: (if (eql char ?\^p) ! 792: (or (cdr (assq (te-get-char) ! 793: '((?= . te-move-to-position) ! 794: (?c . te-clear-rest-of-line) ! 795: (?C . te-clear-rest-of-screen) ! 796: (?\C-o . te-insert-lines) ! 797: (?\C-k . te-delete-lines) ! 798: ;; not necessary, but help sometimes. ! 799: (?\C-a . te-beginning-of-line) ! 800: (?\C-b . te-backward-char) ! 801: ;; should be C-d, but un*x ! 802: ;; pty's won't send \004 through! ! 803: ;; Can you believe this? ! 804: (?d . te-delete-char) ! 805: (?_ . te-insert-spaces) ! 806: ;; random ! 807: (?\C-f . te-forward-char) ! 808: (?\C-g . te-beep) ! 809: (?\C-j . te-down-vertically-or-scroll) ! 810: (?\C-l . te-clear-screen) ! 811: ))) ! 812: 'te-losing-unix) ! 813: (or (cdr (assq char ! 814: '((?\C-j . te-newline) ! 815: (?\177 . te-delete) ! 816: ;; Did I ask to be sent these characters? ! 817: ;; I don't remember doing so, either. ! 818: ;; (Perhaps some operating system or ! 819: ;; other is completely incompetent...) ! 820: (?\C-m . te-beginning-of-line) ;fuck me harder ! 821: (?\C-g . te-beep) ;again and again! ! 822: (?\C-h . te-backward-char) ;wa12id!! ! 823: (?\C-i . te-output-tab)))) ;(spiked) ! 824: 'te-losing-unix))) ;That feels better ! 825: (te-redisplay-if-necessary 1)) ! 826: (and preemptable ! 827: (input-pending-p) ! 828: ;; preemptable output! Oh my!! ! 829: (throw 'te-process-output t))))) ! 830: ;; We must update window-point in every window displaying our buffer ! 831: (let* ((s (selected-window)) ! 832: (w s)) ! 833: (while (not (eq s (setq w (next-window w)))) ! 834: (if (eq (window-buffer w) (current-buffer)) ! 835: (set-window-point w (point)))))) ! 836: ! 837: (defun te-get-char () ! 838: (if (cdr te-pending-output) ! 839: (let ((start (car te-pending-output)) ! 840: (string (car (cdr te-pending-output)))) ! 841: (prog1 (aref string start) ! 842: (if (eql (setq start (1+ start)) (length string)) ! 843: (setq te-pending-output (cons 0 (cdr (cdr te-pending-output)))) ! 844: (setcar te-pending-output start)))) ! 845: (catch 'char ! 846: (let ((filter (process-filter te-process))) ! 847: (unwind-protect ! 848: (progn ! 849: (set-process-filter te-process ! 850: (function (lambda (p s) ! 851: (or (eql (length s) 1) ! 852: (setq te-pending-output (list 1 s))) ! 853: (throw 'char (aref s 0))))) ! 854: (accept-process-output te-process)) ! 855: (set-process-filter te-process filter)))))) ! 856: ! 857: ! 858: (defun te-redisplay-if-necessary (length) ! 859: (and (<= (setq te-redisplay-count (- te-redisplay-count length)) 0) ! 860: (eq (current-buffer) (window-buffer (selected-window))) ! 861: (waiting-for-user-input-p) ! 862: (progn (te-update-pending-output-display) ! 863: (sit-for 0) ! 864: (setq te-redisplay-count terminal-redisplay-interval)))) ! 865: ! 866: (defun te-update-pending-output-display () ! 867: (if (null (cdr te-pending-output)) ! 868: (setq te-pending-output-info "") ! 869: (let ((length (te-pending-output-length))) ! 870: (if (< length 1500) ! 871: (setq te-pending-output-info "") ! 872: (setq te-pending-output-info (format "(%dK chars output pending) " ! 873: (/ (+ length 512) 1024)))))) ! 874: ;; update mode line ! 875: (set-buffer-modified-p (buffer-modified-p))) ! 876: ! 877: ! 878: (defun te-sentinel (process message) ! 879: (cond ((eq (process-status process) 'run)) ! 880: ((null (buffer-name (process-buffer process)))) ;deleted ! 881: (t (let ((b (current-buffer))) ! 882: (save-excursion ! 883: (set-buffer (process-buffer process)) ! 884: (setq buffer-read-only nil) ! 885: (fundamental-mode) ! 886: (goto-char (point-max)) ! 887: (delete-blank-lines) ! 888: (delete-horizontal-space) ! 889: (insert "\n*******\n" message "*******\n")) ! 890: (if (and (eq b (process-buffer process)) ! 891: (waiting-for-user-input-p)) ! 892: (progn (goto-char (point-max)) ! 893: (recenter -1))))))) ! 894: ! 895: (defvar te-stty-string "stty -nl new dec echo" ! 896: "Command string (to be interpreted by \"sh\") which sets the modes ! 897: of the virtual terminal to be appropriate for interactive use.") ! 898: ! 899: (defvar explicit-shell-file-name nil ! 900: "*If non-nil, is file name to use for explicitly requested inferior shell.") ! 901: ! 902: (defun terminal-emulator (buffer program args &optional width height) ! 903: "Under a display-terminal emulator in BUFFER, run PROGRAM on arguments ARGS. ! 904: ARGS is a list of argument-strings. Remaining arguments are WIDTH and HEIGHT. ! 905: BUFFER's contents are made an image of the display generated by that program, ! 906: and any input typed when BUFFER is the current Emacs buffer is sent to that ! 907: program an keyboard input. ! 908: ! 909: Interactively, BUFFER defaults to \"*terminal*\" and PROGRAM and ARGS ! 910: are parsed from an input-string using your usual shell. ! 911: WIDTH and HEIGHT are determined from the size of the current window ! 912: -- WIDTH will be one less than the window's width, HEIGHT will be its height. ! 913: ! 914: To switch buffers and leave the emulator, or to give commands ! 915: to the emulator itself (as opposed to the program running under it), ! 916: type Control-^. The following character is an emulator command. ! 917: Type Control-^ twice to send it to the subprogram. ! 918: This escape character may be changed using the variable `terminal-escape-char'. ! 919: ! 920: `Meta' characters may not currently be sent through the terminal emulator. ! 921: ! 922: Here is a list of some of the variables which control the behaviour ! 923: of the emulator -- see their documentation for more information: ! 924: terminal-escape-char, terminal-scrolling, terminal-more-processing, ! 925: terminal-redisplay-interval. ! 926: ! 927: This function calls the value of terminal-mode-hook if that exists ! 928: and is non-nil after the terminal buffer has been set up and the ! 929: subprocess started. ! 930: ! 931: Presently with `termcap' only; if somebody sends us code to make this ! 932: work with `terminfo' we will try to use it." ! 933: (interactive ! 934: (cons (save-excursion ! 935: (set-buffer (get-buffer-create "*terminal*")) ! 936: (buffer-name (if (or (not (boundp 'te-process)) ! 937: (null te-process) ! 938: (not (eq (process-status te-process) ! 939: 'run))) ! 940: (current-buffer) ! 941: (generate-new-buffer "*terminal*")))) ! 942: (append ! 943: (let* ((default-s ! 944: ;; Default shell is same thing M-x shell uses. ! 945: (or explicit-shell-file-name ! 946: (getenv "ESHELL") ! 947: (getenv "SHELL") ! 948: "/bin/sh")) ! 949: (s (read-string ! 950: (format "Run program in emulator: (default %s) " ! 951: default-s)))) ! 952: (if (equal s "") ! 953: (list default-s '()) ! 954: (te-parse-program-and-args s)))))) ! 955: (switch-to-buffer buffer) ! 956: (if (null width) (setq width (- (window-width (selected-window)) 1))) ! 957: (if (null height) (setq height (- (window-height (selected-window)) 1))) ! 958: (terminal-mode) ! 959: (setq te-width width te-height height) ! 960: (setq mode-line-buffer-identification ! 961: (list (format "Emacs terminal %dx%d: %%b " te-width te-height) ! 962: 'te-pending-output-info)) ! 963: (let ((buffer-read-only nil)) ! 964: (te-clear-screen)) ! 965: (let (process) ! 966: (while (setq process (get-buffer-process (current-buffer))) ! 967: (if (y-or-n-p (format "Kill process %s? " (process-name process))) ! 968: (delete-process process) ! 969: (error "Process %s not killed" (process-name process))))) ! 970: (condition-case err ! 971: (let ((termcap ! 972: ;; Because of Unix Brain Death(tm), we can't change ! 973: ;; the terminal type of a running process, and so ! 974: ;; terminal size and scrollability are wired-down ! 975: ;; at this point. ("Detach? What's that?") ! 976: (concat (format "emacs-virtual:co#%d:li#%d:%s" ! 977: ;; Sigh. These can't be dynamically changed. ! 978: te-width te-height (if terminal-scrolling ! 979: "" "ns:")) ! 980: ;;-- Basic things ! 981: ;; cursor-motion, bol, forward/backward char ! 982: "cm=^p=%+ %+ :cr=^p^a:le=^p^b:nd=^p^f:" ! 983: ;; newline, clear eof/eof, audible bell ! 984: "nw=^j:ce=^pc:cd=^pC:cl=^p^l:bl=^p^g:" ! 985: ;; insert/delete char/line ! 986: "IC=^p_%+ :DC=^pd%+ :AL=^p^o%+ :DL=^p^k%+ :" ! 987: ;;-- Not-widely-known (ie nonstandard) flags, which mean ! 988: ;; o writing in the last column of the last line ! 989: ;; doesn't cause idiotic scrolling, and ! 990: ;; o don't use idiotische c-s/c-q sogenannte ! 991: ;; ``flow control'' auf keinen Fall. ! 992: "LP:NF:" ! 993: ;;-- For stupid or obsolete programs ! 994: "ic=^p_!:dc=^pd!:al=^p^o!:dl=^p^k!:ho=^p= :" ! 995: ;;-- For disgusting programs. ! 996: ;; (VI? What losers need these, I wonder?) ! 997: "im=:ei=:dm=:ed=:mi:do=^p^j:nl=^p^j:bs:"))) ! 998: (if (fboundp 'start-subprocess) ! 999: ;; this winning function would do everything, except that ! 1000: ;; rms doesn't want it. ! 1001: (setq te-process (start-subprocess "terminal-emulator" ! 1002: program args ! 1003: 'channel-type 'terminal ! 1004: 'filter 'te-filter ! 1005: 'buffer (current-buffer) ! 1006: 'sentinel 'te-sentinel ! 1007: 'modify-environment ! 1008: (list (cons "TERM" "emacs-virtual") ! 1009: (cons "TERMCAP" termcap)))) ! 1010: ;; so instead we resort to this... ! 1011: (setq te-process (start-process "terminal-emulator" (current-buffer) ! 1012: "/bin/sh" "-c" ! 1013: ;; Yuck!!! Start a shell to set some terminal ! 1014: ;; control characteristics. Then start the ! 1015: ;; "env" program to setup the terminal type ! 1016: ;; Then finally start the program we wanted. ! 1017: (format "%s; exec %s TERM=emacs-virtual %s %s" ! 1018: te-stty-string ! 1019: (te-quote-arg-for-sh ! 1020: (concat exec-directory "env")) ! 1021: (te-quote-arg-for-sh ! 1022: (concat "TERMCAP=" termcap)) ! 1023: (mapconcat 'te-quote-arg-for-sh ! 1024: (cons program args) " ")))) ! 1025: (set-process-filter te-process 'te-filter) ! 1026: (set-process-sentinel te-process 'te-sentinel))) ! 1027: (error (fundamental-mode) ! 1028: (signal (car err) (cdr err)))) ! 1029: ;; sigh ! 1030: (if (default-value 'meta-flag) ! 1031: (progn (message ! 1032: "Note: Meta key disabled due to maybe-eventually-reparable braindamage") ! 1033: (sit-for 1))) ! 1034: (message "Entering emacs terminal-emulator... Type %s %s for help" ! 1035: (single-key-description terminal-escape-char) ! 1036: (mapconcat 'single-key-description ! 1037: (where-is-internal 'te-escape-help ! 1038: terminal-escape-map ! 1039: t) ! 1040: " ")) ! 1041: (setq inhibit-quit t) ;sport death ! 1042: (use-local-map terminal-map) ! 1043: (run-hooks 'terminal-mode-hook)) ! 1044: ! 1045: (defun te-parse-program-and-args (s) ! 1046: (cond ((string-match "\\`\\([a-zA-Z0-9-+=_.@/:]+[ \t]*\\)+\\'" s) ! 1047: (let ((l ()) (p 0)) ! 1048: (while p ! 1049: (setq l (cons (if (string-match ! 1050: "\\([a-zA-Z0-9-+=_.@/:]+\\)\\([ \t]+\\)*" ! 1051: s p) ! 1052: (prog1 (substring s p (match-end 1)) ! 1053: (setq p (match-end 0)) ! 1054: (if (eql p (length s)) (setq p nil))) ! 1055: (prog1 (substring s p) ! 1056: (setq p nil))) ! 1057: l))) ! 1058: (setq l (nreverse l)) ! 1059: (list (car l) (cdr l)))) ! 1060: ((and (string-match "[ \t]" s) (not (file-exists-p s))) ! 1061: (list shell-file-name (list "-c" (concat "exec " s)))) ! 1062: (t (list s ())))) ! 1063: ! 1064: (put 'terminal-mode 'mode-class 'special) ! 1065: ;; This is only separated out from function terminal-emulator ! 1066: ;; to keep the latter a little more managable. ! 1067: (defun terminal-mode () ! 1068: "Set up variables for use f the terminal-emualtor. ! 1069: One should not call this -- it is an internal function ! 1070: of the terminal-emulator" ! 1071: (kill-all-local-variables) ! 1072: (buffer-flush-undo (current-buffer)) ! 1073: (setq major-mode 'terminal-mode) ! 1074: (setq mode-name "terminal") ! 1075: ; (make-local-variable 'Helper-return-blurb) ! 1076: ; (setq Helper-return-blurb "return to terminal simulator") ! 1077: (setq mode-line-process '(": %s")) ! 1078: (setq buffer-read-only t) ! 1079: (setq truncate-lines t) ! 1080: (make-local-variable 'terminal-escape-char) ! 1081: (setq terminal-escape-char (default-value 'terminal-escape-char)) ! 1082: (make-local-variable 'terminal-scrolling) ! 1083: (setq terminal-scrolling (default-value 'terminal-scrolling)) ! 1084: (make-local-variable 'terminal-more-processing) ! 1085: (setq terminal-more-processing (default-value 'terminal-more-processing)) ! 1086: (make-local-variable 'terminal-redisplay-interval) ! 1087: (setq terminal-redisplay-interval (default-value 'terminal-redisplay-interval)) ! 1088: (make-local-variable 'te-width) ! 1089: (make-local-variable 'te-height) ! 1090: (make-local-variable 'te-process) ! 1091: (make-local-variable 'te-pending-output) ! 1092: (setq te-pending-output (list 0)) ! 1093: (make-local-variable 'te-saved-point) ! 1094: (setq te-saved-point (point-min)) ! 1095: (make-local-variable 'te-pending-output-info) ;for the mode line ! 1096: (setq te-pending-output-info "") ! 1097: (make-local-variable 'inhibit-quit) ! 1098: ;(setq inhibit-quit t) ! 1099: (make-local-variable 'te-log-buffer) ! 1100: (setq te-log-buffer nil) ! 1101: (make-local-variable 'te-more-count) ! 1102: (setq te-more-count -1) ! 1103: (make-local-variable 'te-redisplay-count) ! 1104: (setq te-redisplay-count terminal-redisplay-interval) ! 1105: ;;>> Nothing can be done about this without decruftifying ! 1106: ;;>> emacs keymaps. ! 1107: (make-local-variable 'meta-flag) ;sigh ! 1108: (setq meta-flag nil) ! 1109: ;(use-local-map terminal-mode-map) ! 1110: ;; terminal-mode-hook is called above in function terminal-emulator ! 1111: ) ! 1112: ! 1113: ;;;; what a complete loss ! 1114: ! 1115: (defun te-quote-arg-for-sh (fuckme) ! 1116: (cond ((string-match "\\`[a-zA-Z0-9-+=_.@/:]+\\'" ! 1117: fuckme) ! 1118: fuckme) ! 1119: ((not (string-match "[$]" fuckme)) ! 1120: ;; "[\"\\]" are special to sh and the lisp reader in the same way ! 1121: (prin1-to-string fuckme)) ! 1122: (t ! 1123: (let ((harder "") ! 1124: (cretin 0) ! 1125: (stupid 0)) ! 1126: (while (cond ((>= cretin (length fuckme)) ! 1127: nil) ! 1128: ;; this is the set of chars magic with "..." in `sh' ! 1129: ((setq stupid (string-match "[\"\\$]" ! 1130: fuckme cretin)) ! 1131: t) ! 1132: (t (setq harder (concat harder ! 1133: (substring fuckme cretin))) ! 1134: nil)) ! 1135: (setq harder (concat harder (substring fuckme cretin stupid) ! 1136: ;; Can't use ?\\ since `concat' ! 1137: ;; unfortunately does prin1-to-string ! 1138: ;; on fixna. Amazing. ! 1139: "\\" ! 1140: (substring fuckme ! 1141: stupid ! 1142: (1+ stupid))) ! 1143: cretin (1+ stupid))) ! 1144: (concat "\"" harder "\"")))))
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