parser: modes: Generate modes-*.hh from script and data

5 files changed, 1354 insertions, 1106 deletions

diff --git a/src/meson.build b/src/meson.build
index 5ba67e35..bfbeebb2 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -50,11 +50,23 @@ libc_glue_sources = files(
 )
 
 modes_sources = files(
-  'modes-ecma.hh',
-  'modes-private.hh',
   'modes.hh',
 )
 
+modes_sources += custom_target(
+  'modes',
+  command: [
+    files('modes.py'),
+    '--destdir', '@OUTDIR@',
+  ],
+  input: [],
+  install: false,
+  output: [
+    'modes-dec.hh',
+    'modes-ecma.hh',
+  ],
+)
+
 pango_glue_sources = files(
   'pango-glue.hh',
 )
diff --git a/src/modes-ecma.hh b/src/modes-ecma.hh
deleted file mode 100644
index b4f22abe..00000000
--- a/src/modes-ecma.hh
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Copyright © 2018 Christian Persch
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#if !defined(MODE) || !defined(MODE_FIXED)
-#error "Must define MODE and MODE_FIXED before including this file"
-#endif
-
-/*
- * Modes for SM_ECMA/RM_ECMA.
- *
- * Most of these are not implemented in VTE.
- *
- * References: ECMA-48 § 7
- *             WY370
- */
-
-/*
- * IRM - insertion replacement mode
- *
- * Default: reset
- *
- * References: ECMA-48 § 7.2.10
- *             VT525
- */
-MODE(IRM,  4)
-
-/*
- * BDSM - Bi-Directional Support Mode
- *
- * Reset state is explicit mode, set state is implicit mode
- *
- * References: ECMA-48
- *             ECMA TR/53
- *             Terminal-wg/bidi
- *
- * Default in ECMA: reset
- * Default in Terminal-wg/bidi and VTE: set
- */
-MODE(BDSM, 8)
-
-/* Unsupported */
-
-MODE_FIXED(GATM,  1, ALWAYS_RESET)
-MODE_FIXED(KAM,   2, ALWAYS_RESET)
-MODE_FIXED(CRM,   3, ALWAYS_RESET)
-MODE_FIXED(SRTM,  5, ALWAYS_RESET)
-MODE_FIXED(ERM,   6, ALWAYS_RESET)
-MODE_FIXED(VEM,   7, ALWAYS_RESET)
-/* DCSM defaults to RESET in ECMA, forced to SET in Terminal-wg/bidi */
-MODE_FIXED(DCSM,  9, ALWAYS_SET)
-MODE_FIXED(HEM,  10, ALWAYS_RESET)
-MODE_FIXED(PUM,  11, ALWAYS_RESET) /* ECMA-48 § F.4.1 Deprecated */
-
-/*
- * SRM - local echo send/receive mode
- * If reset, characters entered by the keyboard are shown on the
- * screen as well as being sent to the host; if set, the
- * keyboard input is only sent to the host.
- *
- * Default: set
- *
- * References: ECMA-48 § 7.2.15
- *             VT525
- *
- * Removed in VTE 0.60: issue #69
- */
-MODE_FIXED(SRM,  12, ALWAYS_SET)
-
-MODE_FIXED(FEAM, 13, ALWAYS_RESET)
-MODE_FIXED(FETM, 14, ALWAYS_RESET)
-MODE_FIXED(MATM, 15, ALWAYS_RESET)
-MODE_FIXED(TTM,  16, ALWAYS_RESET)
-MODE_FIXED(SATM, 17, ALWAYS_RESET)
-MODE_FIXED(TSM,  18, ALWAYS_RESET)
-MODE_FIXED(EBM,  19, ALWAYS_RESET) /* ECMA-48 § F.5.1 Removed */
-
-/*
- * LNM - line feed/newline mode
- * If set, the cursor moves to the first column on LF, FF, VT,
- * and a Return key press sends CRLF.
- * If reset, the cursor column is unchanged by LF, FF, VT,
- * and a Return key press sends CR only.
- *
- * Default: reset
- *
- * References: ECMA-48 § F.5.2 Removed!
- *             VT525
- */
-MODE_FIXED(LNM,  20, ALWAYS_RESET)
-
-MODE_FIXED(GRCM, 21, ALWAYS_SET)
-MODE_FIXED(ZDM,  22, ALWAYS_RESET) /* ECMA-48 § F.4.2 Deprecated */
-
-/*
- * WYDSCM - display disable mode
- * If set, blanks the screen; if reset, shows the data.
- *
- * Default: reset
- *
- * References: WY370
- */
-MODE_FIXED(WYDSCM,    30, ALWAYS_RESET)
-
-/*
- * WHYSTLINM - status line display mode
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYSTLINM,  31, ALWAYS_RESET)
-
-/*
- * WYCRTSAVM - screen saver mode
- * Like DECCRTSM.
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYCRTSAVM, 32, ALWAYS_RESET)
-
-/*
- * WYSTCURM - steady cursor mode
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYSTCURM,  33, ALWAYS_RESET)
-
-/*
- * WYULCURM - underline cursor mode
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYULCURM,  34, ALWAYS_RESET)
-
-/*
- * WYCLRM - width change clear disable mode
- * If set, the screen is not cleared when the column mode changes
- * by DECCOLM or WY161.
- * Note that this does not affect DECSCPP.
- * This is the same as DECNCSM mode.
- *
- * Default: set (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYCLRM,    35, ALWAYS_SET)
-
-/*
- * WYDELKM - delete key definition
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYDELKM,   36, ALWAYS_RESET) /* Same as DECBKM */
-
-/*
- * WYGATM - send characters mode
- * If set, sends all characters; if reset, only erasable characters.
- * Like GATM above.
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYGATM,    37, ALWAYS_RESET)
-
-/*
- * WYTEXM - send full screen/scrolling region to printer
- * Like DECPEX mode.
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYTEXM,    38, ALWAYS_RESET)
-
-/*
- * WYEXTDM - extra data line
- * If set, the last line of the screen is used as data line and not
- * a status line; if reset, the last line of the screen is used
- * as a status line.
- *
- * Default: reset
- *
- * References: WY370
- */
-MODE_FIXED(WYEXTDM,   40, ALWAYS_SET)
-
-/*
- * WYASCII - WY350 personality mode
- * If set, switches to WY350 personality.
- *
- * Default: reset (set-up)
- *
- * References: WY370
- */
-MODE_FIXED(WYASCII,   42, ALWAYS_SET)
diff --git a/src/modes-private.hh b/src/modes-private.hh
deleted file mode 100644
index d8cdae8c..00000000
--- a/src/modes-private.hh
+++ /dev/null
@@ -1,881 +0,0 @@
-/*
- * Copyright © 2018 Christian Persch
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#if !defined(MODE) || !defined(MODE_FIXED)
-#error "Must define MODE and MODE_FIXED before including this file"
-#endif
-
-/*
- * Modes for SM_DEC/RM_DEC.
- *
- * Most of these are not implemented in VTE.
- *
- * References: VT525
- *             XTERM
- *             KITTY
- *             MINTTY
- *             MLTERM
- *             RLogin
- *             URXVT
- *             WY370
- */
-
-/* Supported modes: */
-
-/* DEC */
-
-/*
- * DECCKM - cursor keys mode
- *
- * Controls whether the cursor keys send cursor sequences, or application
- * sequences.
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE(DEC_APPLICATION_CURSOR_KEYS, 1)
-
-/*
- * DECCOLM: 132 column mode
- *
- * Sets page width to 132 (set) or 80 (reset) columns.
- *
- * Changing this mode resets the top, bottom, left, right margins;
- * clears the screen (unless DECNCSM is set); resets DECLRMM; and clears
- * the status line if host-writable.
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE(DEC_132_COLUMN, 3)
-
-/*
- * DECSCNM - screen mode
- * If set, displays reverse; if reset, normal.
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE(DEC_REVERSE_IMAGE,  5)
-
-/*
- * DECOM - origin mode
- * If set, the cursor is restricted to within the page margins.
- *
- * On terminal reset, DECOM is reset.
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE(DEC_ORIGIN, 6)
-
-/*
- * DECAWM - auto wrap mode
- *
- * Controls whether text wraps to the next line when the
- * cursor reaches the right margin.
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE(DEC_AUTOWRAP, 7)
-
-/*
- * DECTCEM - text cursor enable
- * If set, the text cursor is visible; if reset, invisible.
- *
- * Default: set
- *
- * References: VT525
- */
-MODE(DEC_TEXT_CURSOR, 25)
-
-/*
- * DECNKM - numeric/application keypad mode
- * Controls whether the numeric keypad sends application (set)
- * or keypad (reset) sequences.
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE(DEC_APPLICATION_KEYPAD, 66)
-
-/* Terminal-wg */
-
-/*
- * Whether to swap the Left and Right arrow keys if the cursor
- * stands over an RTL paragraph.
- *
- * Reference: Terminal-wg/bidi
- */
-MODE(VTE_BIDI_SWAP_ARROW_KEYS, 1243)
-
-/*
- * Whether box drawing characters in the U+2500..U+257F range
- * are to be mirrored in RTL context.
- *
- * Reference: Terminal-wg/bidi
- */
-MODE(VTE_BIDI_BOX_MIRROR, 2500)
-
-/*
- * Whether BiDi paragraph direction is autodetected.
- *
- * Reference: Terminal-wg/bidi
- */
-MODE(VTE_BIDI_AUTO, 2501)
-
-/* XTERM */
-
-MODE(XTERM_MOUSE_X10,                   9)
-MODE(XTERM_DECCOLM,                    40)
-MODE(XTERM_ALTBUF,                     47)
-MODE(XTERM_MOUSE_VT220,              1000)
-MODE(XTERM_MOUSE_VT220_HIGHLIGHT,    1001)
-MODE(XTERM_MOUSE_BUTTON_EVENT,       1002)
-MODE(XTERM_MOUSE_ANY_EVENT,          1003)
-MODE(XTERM_FOCUS,                    1004)
-MODE(XTERM_MOUSE_EXT_SGR,            1006)
-MODE(XTERM_ALTBUF_SCROLL,            1007)
-MODE(XTERM_META_SENDS_ESCAPE,        1036)
-MODE(XTERM_OPT_ALTBUF,               1047)
-MODE(XTERM_SAVE_CURSOR,              1048)
-MODE(XTERM_OPT_ALTBUF_SAVE_CURSOR,   1049)
-MODE(XTERM_READLINE_BRACKETED_PASTE, 2004)
-
-/*
- * XTERM_SIXEL_PRIVATE_COLOR_REGISTERS:
- * When set, each SIXEL graphic uses newly initialised colour registers.
- * When reset, changes to colour registers from one SIXEL image are
- * saved and used for the next SIXEL graphic.
- *
- * Default: set
- *
- * References: XTERM
- */
-MODE(XTERM_SIXEL_PRIVATE_COLOR_REGISTERS, 1070)
-
-/* Not supported modes: */
-
-/* DEC */
-
-/*
- * DECANM - ansi-mode
- * Resetting this puts the terminal into VT52 compatibility mode.
- * Control sequences overlap with regular sequences so we have to
- * detect them early before dispatching them.
- * To return to ECMA-48 mode, use ESC < [1/11 3/12].
- *
- * Default: set
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECANM,      2, ALWAYS_SET)
-
-/*
- * DECSCLM - scrolling mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECSCLM,     4, ALWAYS_RESET)
-
-/*
- * DECARM - autorepeat mode
- * Controls whether keys auytomatically repeat while held pressed
- * for more than 0.5s.
- * Note that /some/ keys do not repeat regardless of this setting.
- *
- * Default: set
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECARM,      8, ALWAYS_SET)
-
-MODE_FIXED(DECLTM,     11, ALWAYS_RESET)
-MODE_FIXED(DECEKEM,    16, ALWAYS_RESET)
-
-/*
- * DECPFF - print FF mode
- * Controls whether the terminal terminates a print command by
- * sending a FF to the printer.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECCPFF,    18, ALWAYS_RESET)
-
-/*
- * DECPEX - print extent mode
- * If set, print page prints only the scrolling region;
- * if reset, the complete page.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECPEX,     19, ALWAYS_RESET)
-
-/*
- * DECLRM - RTL mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECRLM,     34, ALWAYS_RESET)
-
-/*
- * DECHEBM - hebrew/north-american keyboard mapping mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECHEBM,    35, ALWAYS_RESET)
-
-/*
- * DECHEM - hebrew encoding mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECHEM,     36, ALWAYS_RESET)
-
-/*
- * DECNRCM - NRCS mode
- * Operates in 7-bit (set) or 8-bit (reset) mode.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECNRCM,    42, ALWAYS_RESET)
-
-MODE_FIXED(DECGEPM,    43, ALWAYS_RESET) /* from VT330 */
-/* MODE_FIXED(DECGPCM,    44, ALWAYS_RESET) * from VT330, conflicts with XTERM_MARGIN_BELL */
-/* MODE_FIXED(DECGPCS,    45, ALWAYS_RESET) * from VT330, conflicts with XTERM_REVERSE_WRAP */
-/* MODE_FIXED(DECGPBM,    46, ALWAYS_RESET) * from VT330, conflicts with XTERM_LOGGING */
-/* MODE_FIXED(DECGRPM,    47, ALWAYS_RESET) * from VT330, conflicts with XTERM_ALTBUF */
-MODE_FIXED(DEC131TM,   53, ALWAYS_RESET)
-
-/*
- * DECNAKB - greek/north-american keyboard mapping mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECNAKB,    57, ALWAYS_RESET)
-
-/*
- * DECIPEM - enter/return to/from pro-printer emulation mode
- * Switches the terminal to (set)/from (reset) the ibm pro
- * printer protocol.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECIPEM,    58, ALWAYS_RESET)
-
-/* MODE_FIXED(DECKKDM,    59, ALWAYS_SET) * Kanji/Katakana Display Mode, from VT382-Kanji */
-
-/*
- * DECHCCM - horizontal cursor coupling mode
- * Controls what happens when the cursor moves out of the left or
- * right margins of the window.
- * If set, the window pans to keep the cursor in view; if reset,
- * the cursor disappears.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECHCCM,    60, ALWAYS_RESET)
-
-/*
- * DECVCCM - vertical cursor coupling mode
- * Controls what happens when the cursor moves out of the top or
- * bottom of the window, When the height of the window is smaller
- * than the page.
- * If set, the window pans to keep the cursor in view; if reset,
- * the cursor disappears.
- *
- * Default: set
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECVCCM, 61, ALWAYS_SET)
-
-/*
- * DECPCCM - page cursor coupling mode
- *
- * Default: set
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECPCCM, 64, ALWAYS_SET)
-
-/*
- * DECBKM - backarrow key mode
- * WYDELKM
- *
- * If set, the Backspace key works as a backspace key
- * sending the BS control; if reset, it works as a Delete
- * key sending the DEL control.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECBKM,     67, ALWAYS_RESET)
-
-/*
- * DECKBUM - typewriter/data rpocessing keys mode
- *
- * If set, the keyboard keys act as data processing keys;
- * if reset, as typewriter keys.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECKBUM,    68, ALWAYS_RESET)
-
-/*
- * DECLRMM - vertical split-screen mode
- * Controls whether a DECSLRM is executed.
- * On set, resets line attributes to single width and single height,
- * and while set, the terminal ignores any changes to line attributes.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Needs to be implemented if DECSLRM is implemented, to resolve a
- * conflict between DECSLRM and SCOSC.
- */
-MODE_FIXED(DECLRMM, 69, ALWAYS_RESET) /* aka DECVSSM */
-
-/*
- * DECXRLM - transmit rate limit
- * If set, limits the transmit rate; if reset, the rate is
- * unlimited.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECXRLM,    73, ALWAYS_RESET)
-
-/*
- * DECSDM - sixel display mode (scrolling)
- *
- * Default: set
- *
- * References: ?
- */
-MODE(DECSDM, 80) /* Note: Conflicts with WY161 */
-
-/*
- * DECKPM - key position mode
- * If set, the keyboard sends extended reports (DECEKBD) that include
- * the key position and modifier state; if reset, it sends character codes.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECKPM,     81, ALWAYS_RESET)
-
-MODE_FIXED(DECTHAISCM, 90, ALWAYS_RESET) /* Thai Space Compensating Mode, from VT382-Thai */
-
-/*
- * DECNCSM - no clear screen on DECOLM
- * If set, the screen is not cleared when the column mode changes
- * by DECCOLM.
- * Note that this does not affect DECSCPP.
- *
- * Default: set
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECNCSM,    95, ALWAYS_RESET)
-
-/*
- * DECRLCM - RTL copy mode
- * If set, copy/paste from RTL; if reset, from LTR.
- * Only enabled when the keyboard language is set to hebrew.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECRLCM,    96, ALWAYS_RESET)
-
-/*
- * DECCRTSM - CRT save mode
- * When set, blanks the terminal after the inactivity timeout
- * (set with DECCRTST).
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECRCRTSM,  97, ALWAYS_RESET)
-
-/*
- * DECARSM - auto resize mode
- * Sets whether changing page arrangements automatically
- * changes the lines per screen.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECARSM,    98, ALWAYS_RESET)
-
-/*
- * DECMCM - modem control mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECMCM,     99, ALWAYS_RESET)
-
-/*
- * DECAAM - auto answerback mode
- *
- * Default: reset
- *
- * References: VT525
- */
-MODE_FIXED(DECAAM,    100, ALWAYS_RESET)
-
-/*
- * DECCANSM - conceal answerback message mode
- *
- * Default: reset
- *
- * References: VT525
- *
- * Unimplemented, since we don't support answerback at all.
- */
-MODE_FIXED(DECANSM,   101, ALWAYS_RESET)
-
-/*
- * DECNULM - null mode
- * If set, pass NUL to the printer; if reset, discard NUL.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECNULM,   102, ALWAYS_RESET)
-
-/*
- * DECHDPXM - half-duplex mode
- * Whether to use half-duplex (set) or full-duplex (reset) mode.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECHDPXM,  103, ALWAYS_RESET)
-
-/*
- * DECESKM - enable secondary keyboard language mode
- * If set, use the secondary keyboard mapping (group 2); if reset,
- * use the primary (group 1).
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECESKM,   104, ALWAYS_RESET)
-
-/*
- * DECOSCNM - overscan mode
- * (monochrome terminal only)
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECOSCNM,  106, ALWAYS_RESET)
-
-/*
- * DECNUMLK - num lock mode
- *
- * Set the num lock state as if by acting the NumLock key.
- * Set means NumLock on; reset means off.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECNUMLK, 108, ALWAYS_RESET)
-
-/*
- * DECCAPSLK - caps lock mode
- *
- * Set the caps lock state as if by acting the CapsLock key.
- * Set means CapsLock on; reset means off.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECCAPSLK, 109, ALWAYS_RESET)
-
-/*
- * DECKLHIM - keyboard LED host indicator mode
- * If set, the keyboard LEDs show the state from the host
- * (see DECLL); if reset, the local state.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECKLHIM, 110, ALWAYS_RESET)
-
-/*
- * DECFWM - framed window mode
- * If set, session window frames are drawn with frame border and icon.
- *
- * Default: reset
- *
- * References: VT525
- *
- * VTE does not support sessions.
- */
-MODE_FIXED(DECFWM,    111, ALWAYS_RESET)
-
-/*
- * DECRPL - review previous lines mode
- * If set, allows to view the scrollback.
- *
- * Default: set (VTE)
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECRPL, 112, ALWAYS_SET)
-
-/*
- * DECHWUM - host wake-up mode
- * If set, the terminal exits CRT save and energy save mode
- * when a character is received from the host.
- *
- * Default: ?
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECHWUM,   113, ALWAYS_RESET)
-
-/*
- * DECTCUM - alternate text color underline mode
- *
- * If set, text with the undeerline attribute is underlined as
- * well as being displayed in the alternate coolor (if
- * specified); if reset, it is only displayed in the
- * alternate color.
- *
- * Default: ?
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECATCUM,  114, ALWAYS_RESET)
-
-/*
- * DECTCBM - alternate text color blink mode
- *
- * If set, text with the blink attribute blinks as well
- * as being displayed in the alternate color (if
- * specified); if reset, it is only displayed in the
- * alternate color.
- *
- * Default: ?
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECATCBM,  115, ALWAYS_RESET)
-
-/*
- * DECBBSM - bold and blink style mode
- *
- * If set, the bold or blink attributes affect both foreground
- * and background color; if reset, those affect only the foreground
- * color.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECBBSM,   116, ALWAYS_RESET)
-
-/*
- * DECECM - erase color mode
- *
- * If set, erased text or new cells appearing on the screen by scrolling
- * are assigned the screen background color; if reset, they are assigned
- * the text background color.
- *
- * Default: reset
- *
- * References: VT525
- *
- * Probably not worth implementing.
- */
-MODE_FIXED(DECECM,    117, ALWAYS_RESET)
-
-/* DRCSTerm */
-/* Modes 8800…8804 */
-
-/* KITTY */
-
-MODE_FIXED(KITTY_STYLED_UNDERLINES, 2016, ALWAYS_SET)
-MODE_FIXED(KITTY_EXTENDED_KEYBOARD, 2017, ALWAYS_RESET)
-
-/* MinTTY */
-
-MODE_FIXED(MINTTY_REPORT_CJK_AMBIGUOUS_WIDTH,           7700, ALWAYS_RESET)
-MODE_FIXED(MINTTY_REPORT_SCROLL_MARKER_IN_CURRENT_LINE, 7711, ALWAYS_RESET)
-MODE_FIXED(MINTTY_APPLICATION_ESCAPE,                   7727, ALWAYS_RESET)
-MODE_FIXED(MINTTY_ESCAPE_SENDS_FS,                      7728, ALWAYS_RESET)
-MODE_FIXED(MINTTY_SIXEL_SCROLLING_END_POSITION,         7730, ALWAYS_RESET)
-MODE_FIXED(MINTTY_SCROLLBAR,                            7766, ALWAYS_RESET)
-MODE_FIXED(MINTTY_REPORT_FONT_CHANGES,                  7767, ALWAYS_RESET)
-MODE_FIXED(MINTTY_SHORTCUT_OVERRIDE,                    7783, ALWAYS_RESET)
-MODE_FIXED(MINTTY_ALTBUF_MOUSEWHEEL_TO_CURSORKEYS,      7786, ALWAYS_RESET)
-MODE_FIXED(MINTTY_MOUSEWHEEL_APPLICATION_KEYS,          7787, ALWAYS_RESET)
-MODE_FIXED(MINTTY_BIDI_DISABLE_IN_CURRENT_LINE,         7796, ALWAYS_RESET)
-MODE_FIXED(MINTTY_SIXEL_SCROLL_CURSOR_RIGHT,            8452, ALWAYS_RESET)
-/* MinTTY also knows mode 77096 'BIDI disable", and 77000..77031
- * "Application control key" which are outside of the supported range
- * for CSI parameters.
- */
-
-/* RLogin */
-
-/* RLogin appears to use many modes
- * [https://github.com/kmiya-culti/RLogin/blob/master/RLogin/TextRam.h#L131]:
- * 1406..1415, 1420..1425, 1430..1434, 1436, 1452..1481,
- * 8400..8406, 8416..8417, 8428..8429, 8435, 8437..8443,
- * 8446..8458,
- * and modes 7727, 7786, 8200 (home cursor on [ED 2]),
- * 8800 (some weird Unicode plane 17 mapping?), 8840 (same as 8428).
- *
- * We're not going to implement them, but avoid these ranges
- * when assigning new mode numbers.
- *
- * The following are the ones from RLogin that MLTerm knows about:
- */
-
-/* MODE_FIXED(RLOGIN_APPLICATION_ESCAPE,                7727, ALWAYS_RESET) */
-/* MODE_FIXED(RLOGIN_MOUSEWHEEL_TO_CURSORKEYS,          7786, ALWAYS_RESET) */
-
-/* Ambiguous-width characters are wide (reset) or narrow (set) */
-MODE_FIXED(RLOGIN_AMBIGUOUS_WIDTH_CHARACTERS_NARROW, 8428, ALWAYS_RESET)
-
-/* MODE_FIXED(RLOGIN_CURSOR_TO_RIGHT_OF_SIXEL,          8452, ALWAYS_RESET) */
-
-/* XTERM also knows this one */
-/* MODE_FIXED(RLOGIN_SIXEL_SCROLL_CURSOR_RIGHT,         8452, ALWAYS_RESET) */
-
-/* RXVT */
-
-MODE_FIXED(RXVT_TOOLBAR,            10, ALWAYS_RESET)
-MODE_FIXED(RXVT_SCROLLBAR,          30, ALWAYS_RESET)
-/* MODE_FIXED(RXVT_SHIFT_KEYS,        35, ALWAYS_RESET) ! Conflicts with DECHEBM */
-MODE_FIXED(RXVT_SCROLL_OUTPUT,    1010, ALWAYS_RESET)
-MODE_FIXED(RXVT_SCROLL_KEYPRESS,  1011, ALWAYS_RESET)
-MODE_FIXED(RXVT_MOUSE_EXT,        1015, ALWAYS_RESET)
-/* Bold/blink uses normal (reset) or high intensity (set) colour */
-MODE_FIXED(RXVT_INTENSITY_STYLES, 1021, ALWAYS_SET)
-
-/* Wyse */
-
-/*
- * WYTEK - TEK 4010/4014 personality
- * If set, switches to TEK 4010/4014 personality.
- *
- * Default: reset
- *
- * References: WY370
- */
-MODE_FIXED(WYTEK,  38, ALWAYS_RESET)
-
-/*
- * WY161 - 161 column mode
- * If set, switches the terminal to 161 columns; if reset,
- * to 80 columns.
- *
- * Default: reset
- *
- * References: WY370
- */
-/* MODE_FIXED(WY161,  80, ALWAYS_RESET) ! Conflicts with DECSDM */
-
-/*
- * WY52 - 52 lines mode
- * If set, switches the terminal to 52 lines; if reset,
- * to 24 lines.
- *
- * Default: reset
- *
- * References: WY370
- */
-MODE_FIXED(WY52,   83, ALWAYS_RESET)
-
-/*
- * WYENAT - enable separate attributes
- * If set, SGR attributes may be set separately for eraseable
- * and noneraseable characters. If reset, the same SGR attributes
- * apply to both eraseable and noneraseable characters.
- *
- *
- * Default: reset
- *
- * References: WY370
- */
-MODE_FIXED(WYENAT, 84, ALWAYS_RESET)
-
-/*
- * WYREPL - replacement character color
- *
- * Default: reset
- *
- * References: WY370
- */
-MODE_FIXED(WYREPL, 85, ALWAYS_RESET)
-
-/* XTERM */
-
-MODE_FIXED(XTERM_ATT610_BLINK,                    12, ALWAYS_RESET)
-MODE_FIXED(XTERM_CURSOR_BLINK,                    13, ALWAYS_RESET)
-MODE_FIXED(XTERM_CURSOR_BLINK_XOR,                14, ALWAYS_RESET)
-MODE_FIXED(XTERM_CURSES_HACK,                     41, ALWAYS_RESET)
-MODE_FIXED(XTERM_MARGIN_BELL,                     44, ALWAYS_RESET)
-MODE_FIXED(XTERM_REVERSE_WRAP,                    45, ALWAYS_RESET)
-MODE_FIXED(XTERM_LOGGING,                         46, ALWAYS_RESET)
-MODE_FIXED(XTERM_MOUSE_EXT,                     1005, ALWAYS_RESET)
-MODE_FIXED(XTERM_8BIT_META,                     1034, ALWAYS_RESET)
-MODE_FIXED(XTERM_NUMLOCK,                       1035, ALWAYS_RESET)
-MODE_FIXED(XTERM_DELETE_IS_DEL,                 1037, ALWAYS_RESET)
-MODE_FIXED(XTERM_ALT_SENDS_ESCAPE,              1039, ALWAYS_RESET)
-MODE_FIXED(XTERM_KEEP_SELECTION,                1040, ALWAYS_RESET)
-MODE_FIXED(XTERM_KEEP_CLIPBOARD,                1044, ALWAYS_RESET)
-MODE_FIXED(XTERM_SELECT_TO_CLIPBOARD,           1041, ALWAYS_RESET)
-MODE_FIXED(XTERM_BELL_URGENT,                   1042, ALWAYS_RESET)
-MODE_FIXED(XTERM_PRESENT_ON_BELL,               1043, ALWAYS_RESET)
-MODE_FIXED(XTERM_ALLOW_ALTBUF,                  1046, ALWAYS_SET)
-MODE_FIXED(XTERM_FKEYS_TERMCAP,                 1050, ALWAYS_RESET)
-MODE_FIXED(XTERM_FKEYS_SUN,                     1051, ALWAYS_RESET)
-MODE_FIXED(XTERM_FKEYS_HP,                      1052, ALWAYS_RESET)
-MODE_FIXED(XTERM_FKEYS_SCO,                     1053, ALWAYS_RESET)
-MODE_FIXED(XTERM_FKEYS_LEGACY,                  1060, ALWAYS_RESET)
-MODE_FIXED(XTERM_FKEYS_VT220,                   1061, ALWAYS_RESET)
-MODE_FIXED(XTERM_READLINE_BUTTON1_MOVE_POINT,   2001, ALWAYS_RESET)
-MODE_FIXED(XTERM_READLINE_BUTTON2_MOVE_POINT,   2002, ALWAYS_RESET)
-MODE_FIXED(XTERM_READLINE_DBLBUTTON3_DELETE,    2003, ALWAYS_RESET)
-MODE_FIXED(XTERM_READLINE_PASTE_QUOTE,          2005, ALWAYS_RESET)
-MODE_FIXED(XTERM_READLINE_PASTE_LITERAL_NL,     2006, ALWAYS_RESET)
-
-/* Contour */
-
-MODE_FIXED(CONTOUR_BATCHED_RENDERING, 2026, ALWAYS_RESET)
diff --git a/src/modes.hh b/src/modes.hh
index 3688c19b..76bb5100 100644
--- a/src/modes.hh
+++ b/src/modes.hh
@@ -189,12 +189,12 @@ public:
 
 #define MODE(name,param) e##name,
 #define MODE_FIXED(name,param,value)
-#include "modes-private.hh"
+#include "modes-dec.hh"
 #undef MODE
 #undef MODE_FIXED
 #define MODE(name,param)
 #define MODE_FIXED(name,param,value) e##name,
-#include "modes-private.hh"
+#include "modes-dec.hh"
 #undef MODE
 #undef MODE_FIXED
         };
@@ -204,7 +204,7 @@ public:
                 switch (param) {
 #define MODE(name,param) case param: return e##name;
 #define MODE_FIXED(name,param,value) case param: return e##value;
-#include "modes-private.hh"
+#include "modes-dec.hh"
 #undef MODE
 #undef MODE_FIXED
                 default:
@@ -220,7 +220,7 @@ public:
                 case eALWAYS_RESET: return "ALWAYS_RESET";
 #define MODE(name,param) case e##name: return #name;
 #define MODE_FIXED(name,param,value)
-#include "modes-private.hh"
+#include "modes-dec.hh"
 #undef MODE
 #undef MODE_FIXED
                 default:
@@ -230,7 +230,7 @@ public:
 
 #define MODE(name,param) MODE_ACCESSOR(name)
 #define MODE_FIXED(name,param,value) MODE_FIXED_ACCESSOR(name, e##value == eALWAYS_SET)
-#include "modes-private.hh"
+#include "modes-dec.hh"
 #undef MODE
 #undef MODE_FIXED
 
diff --git a/src/modes.py b/src/modes.py
new file mode 100755
index 00000000..9c308875
--- /dev/null
+++ b/src/modes.py
@@ -0,0 +1,1335 @@
+#!/usr/bin/env python3
+#
+# Copyright © 2018, 2020 Christian Persch
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <https://www.gnu.org/licenses/>.
+
+
+import argparse
+import enum
+import inspect
+import pathlib
+import sys
+import typing
+
+from dataclasses import dataclass, field
+
+# Types
+
+class Type(enum.IntEnum):
+    ECMA = enum.auto() # CSI n [h|l]
+    WHAT = enum.auto() # CSI ? n [h|l]
+    GT   = enum.auto() # CSI > n [h|l]
+
+class Flags(enum.Flag):
+    NONE = 0
+    WRITABLE = enum.auto()
+
+class Source(enum.Enum):
+    CONTOUR  = enum.auto()
+    DEC      = enum.auto(),
+    DRCSTERM = enum.auto(),
+    ECMA48   = enum.auto() # eq ISO 6429
+    HP       = enum.auto()
+    KITTY    = enum.auto()
+    ITERM2   = enum.auto()
+    RLOGIN   = enum.auto()
+    SCO      = enum.auto()
+    VTE      = enum.auto()
+    WYSE     = enum.auto()
+    XDG      = enum.auto()
+    XTERM    = enum.auto()
+
+    @classmethod
+    def from_name(cls, name):
+        if name.startswith('CONTOUR'):
+            return cls.CONTOUR
+        elif name.startswith('DEC') or name.endswith('_DEC'):
+            return cls.DEC
+        elif name.startswith('DRCS'):
+            return cls.DRCSTERM
+        elif name.endswith('_ECMA'):
+            return cls.ECMA35
+        elif name.startswith('HP') or name.endswith('_HP'):
+             return cls.HP
+        elif name.startswith('KITTY'):
+            return cls.KITTY
+        elif name.startswith('ITERM'):
+            return cls.ITERM2
+        elif name.startswith('RLOGIN'):
+            return cls.RLOGIN
+        elif name.startswith('SCO'):
+            return cls.SCO
+        elif name.startswith('VTE'):
+            return cls.VTE
+        elif name.startswith('WY'):
+            return cls.WYSE
+        elif name.startswith('XDG'):
+            return cls.XDG
+        elif name.startswith('XTERM'):
+            return cls.XTERM
+        else:
+            return cls.ECMA48
+            #raise ValueError(f'Could not determine source for mode {name}')
+
+# Control Sequence
+
+@dataclass(eq=True, order=True)
+class NamedMode:
+    ''' A named mode '''
+    mtype: Type
+    number: int
+    name: str
+    default: bool
+    flags: Flags=Flags.NONE
+    source: typing.Optional[Source]=None
+    alias: typing.Optional[typing.List[str]]=None
+    comment: str=None
+    sloc_file: str=None
+    sloc_line: int=-1
+
+    def __post_init__(self):
+
+        if self.source is None:
+            self.source = Source.from_name(self.name)
+
+        if self.sloc_file is None or self.sloc_line == -1:
+            fname = f'mode_{self.mtype.name}'
+            stack = inspect.stack()
+            depth = -1
+            for _frame in stack:
+                depth += 1
+                if _frame.function == fname:
+                    depth += 1
+                    break
+
+            if depth == -1 or depth >= len(stack):
+                raise ValueError('{self.name} source location not found')
+            else:
+                frame = stack[depth]
+                self.sloc_file = frame.filename
+                self.sloc_line = frame.lineno
+
+            del stack
+
+
+def mode_ECMA(name, number, **kwargs):
+    return NamedMode(mtype=Type.ECMA,
+                     name=name,
+                     number=number,
+                     **kwargs)
+
+def mode_WHAT(name, number, **kwargs):
+    return NamedMode(mtype=Type.WHAT,
+                     name=name,
+                     number=number,
+                     **kwargs)
+
+def mode_GT(name, number, **kwargs):
+    return NamedMode(mtype=Type.GT,
+                     name=name,
+                     number=number,
+                     **kwargs)
+
+# All known modes, ordered by type, source, and number
+
+modes = [
+
+    # Modes for SM_ECMA/RM_ECMA (CSI n [h|l])
+    #
+    # Most of these are not implemented in VTE.
+    #
+    # References: ECMA-48 § 7
+    #             WY370
+
+    mode_ECMA('GATM', 1, default=False),
+    mode_ECMA('KAM', 2, default=False),
+    mode_ECMA('CRM', 3, default=False),
+
+    # IRM - insertion replacement mode
+    #
+    # Default: reset
+    #
+    # References: ECMA-48 § 7.2.10
+    #             VT525
+    #
+    mode_ECMA('IRM', 4, default=False, flags=Flags.WRITABLE),
+
+    mode_ECMA('SRTM', 5, default=False),
+    mode_ECMA('ERM', 6, default=False),
+    mode_ECMA('VEM', 7, default=False),
+
+    # BDSM - Bi-Directional Support Mode
+    #
+    # Reset state is explicit mode, set state is implicit mode
+    #
+    # References: ECMA-48
+    #             ECMA TR/53
+    #             Terminal-wg/bidi
+    #
+    # Default in ECMA: reset
+    # Default in Terminal-wg/bidi and VTE: set
+    #
+    mode_ECMA('BDSM', 8, default=True, flags=Flags.WRITABLE),
+
+    # DCSM defaults to RESET in ECMA, forced to SET in Terminal-wg/bidi#
+    mode_ECMA('DCSM', 9, default=True),
+
+    mode_ECMA('HEM', 10, default=False),
+
+    # ECMA-48 § F.4.1 Deprecated
+    mode_ECMA('PUM', 11, default=False),
+
+    # SRM - local echo send/receive mode
+    # If reset, characters entered by the keyboard are shown on the
+    # screen as well as being sent to the host; if set, the
+    # keyboard input is only sent to the host.
+    #
+    # Default: set
+    #
+    # References: ECMA-48 § 7.2.15
+    #             VT525
+    #
+    # Removed in VTE 0.60: issue #69
+    #
+    mode_ECMA('SRM', 12, default=True),
+
+    mode_ECMA('FEAM', 13, default=False),
+    mode_ECMA('FETM', 14, default=False),
+    mode_ECMA('MATM', 15, default=False),
+    mode_ECMA('TTM', 16, default=False),
+    mode_ECMA('SATM', 17, default=False),
+    mode_ECMA('TSM', 18, default=False),
+
+    # ECMA-48 § F.5.1 Removed
+    mode_ECMA('EBM', 19, default=False),
+
+    # LNM - line feed/newline mode
+    # If set, the cursor moves to the first column on LF, FF, VT,
+    # and a Return key press sends CRLF.
+    # If reset, the cursor column is unchanged by LF, FF, VT,
+    # and a Return key press sends CR only.
+    #
+    # Default: reset
+    #
+    # References: ECMA-48 § F.5.2 Removed!
+    #             VT525
+    #
+    mode_ECMA('LNM', 20, default=False),
+
+    mode_ECMA('GRCM', 21, default=True),
+
+    # ECMA-48 § F.4.2 Deprecated
+    mode_ECMA('ZDM', 22, default=False),
+
+    # WYDSCM - display disable mode
+    # If set, blanks the screen; if reset, shows the data.
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYDSCM', 30, default=False),
+
+    # WHYSTLINM - status line display mode
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYSTLINM', 31, default=False),
+
+    # WYCRTSAVM - screen saver mode
+    # Like DECCRTSM.
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYCRTSAVM', 32, default=False),
+
+    # WYSTCURM - steady cursor mode
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYSTCURM', 33, default=False),
+
+    # WYULCURM - underline cursor mode
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYULCURM', 34, default=False),
+
+    # WYCLRM - width change clear disable mode
+    # If set, the screen is not cleared when the column mode changes
+    # by DECCOLM or WY161.
+    # Note that this does not affect DECSCPP.
+    # This is the same as DECNCSM mode.
+    #
+    # Default: set (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYCLRM', 35, default=True),
+
+    # WYDELKM - delete key definition
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    # Note: Same as DECBKM
+    mode_ECMA('WYDELKM', 36, default=False),
+
+    # WYGATM - send characters mode
+    # If set, sends all characters; if reset, only erasable characters.
+    # Like GATM above.
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYGATM', 37, default=False),
+
+    # WYTEXM - send full screen/scrolling region to printer
+    # Like DECPEX mode.
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYTEXM', 38, default=False),
+
+    # WYEXTDM - extra data line
+    # If set, the last line of the screen is used as data line and not
+    # a status line; if reset, the last line of the screen is used
+    # as a status line.
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYEXTDM', 40, default=True),
+
+    # WYASCII - WY350 personality mode
+    # If set, switches to WY350 personality.
+    #
+    # Default: reset (set-up)
+    #
+    # References: WY370
+    #
+    mode_ECMA('WYASCII', 42, default=True),
+
+    # ************************************************************************
+
+    # Modes for SM_DEC/RM_DEC (CSI ? n [h|l])
+    #
+    # Most of these are not implemented in VTE.
+    #
+    # References: VT525
+    #             XTERM
+    #             KITTY
+    #             MINTTY
+    #             MLTERM
+    #             RLogin
+    #             URXVT
+    #             WY370
+    #
+
+    # DEC:
+
+    # DECCKM - cursor keys mode
+    #
+    # Controls whether the cursor keys send cursor sequences, or application
+    # sequences.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_APPLICATION_CURSOR_KEYS', 1, default=False, flags=Flags.WRITABLE),
+
+    # DECCOLM: 132 column mode
+    #
+    # Sets page width to 132 (set) or 80 (reset) columns.
+    #
+    # Changing this mode resets the top, bottom, left, right margins;
+    # clears the screen (unless DECNCSM is set); resets DECLRMM; and clears
+    # the status line if host-writable.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_132_COLUMN', 3, default=False, flags=Flags.WRITABLE),
+
+    # DECANM - ansi-mode
+    # Resetting this puts the terminal into VT52 compatibility mode.
+    # To return to ECMA-48 mode, use ESC < (1/11 3/12).
+    #
+    # Default: set
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECANM', 2, default=True),
+
+    # DECSCLM - scrolling mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECSCLM', 4, default=False),
+
+    # DECSCNM - screen mode
+    # If set, displays reverse; if reset, normal.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_REVERSE_IMAGE', 5, default=False, flags=Flags.WRITABLE),
+
+    # DECOM - origin mode
+    # If set, the cursor is restricted to within the page margins.
+    #
+    # On terminal reset, DECOM is reset.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_ORIGIN', 6, default=False, flags=Flags.WRITABLE),
+
+    # DECAWM - auto wrap mode
+    #
+    # Controls whether text wraps to the next line when the
+    # cursor reaches the right margin.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_AUTOWRAP', 7, default=False, flags=Flags.WRITABLE),
+
+    # DECARM - autorepeat mode
+    # Controls whether keys auytomatically repeat while held pressed
+    # for more than 0.5s.
+    # Note that /some/ keys do not repeat regardless of this setting.
+    #
+    # Default: set
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECARM', 8, default=True),
+
+    mode_WHAT('XTERM_MOUSE_X10', 9, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('DECLTM', 11, default=False),
+    mode_WHAT('DECEKEM', 16, default=False),
+
+    # DECPFF - print FF mode
+    # Controls whether the terminal terminates a print command by
+    # sending a FF to the printer.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECCPFF', 18, default=False),
+
+    # DECPEX - print extent mode
+    # If set, print page prints only the scrolling region;
+    # if reset, the complete page.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECPEX', 19, default=False),
+
+    # DECTCEM - text cursor enable
+    # If set, the text cursor is visible; if reset, invisible.
+    #
+    # Default: set
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_TEXT_CURSOR', 25, default=True, flags=Flags.WRITABLE),
+
+    # DECLRM - RTL mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECRLM', 34, default=False),
+
+    # DECHEBM - hebrew/north-american keyboard mapping mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECHEBM', 35, default=False),
+
+    # DECHEM - hebrew encoding mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECHEM', 36, default=False),
+
+    mode_WHAT('XTERM_DECCOLM', 40, default=False, flags=Flags.WRITABLE),
+
+    # DECNRCM - NRCS mode
+    # Operates in 7-bit (set) or 8-bit (reset) mode.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECNRCM', 42, default=False),
+
+    # DECGEPM - Graphics Expanded Print Mode
+    #
+    # Default: reset
+    #
+    # References: VT330
+    #
+    mode_WHAT('DECGEPM', 43, default=False),
+
+    # DECGPCM - Graphics Print Colour Mode
+    #
+    # Default: reset
+    #
+    # References: VT330
+    #
+    # Note: Conflicts with XTERM_MARGIN_BELL
+    #
+    #mode_WHAT('DECGPCM', 44, default=False),
+
+    # DECGCPS - Graphics Print Colour Syntax
+    #
+    # Default: reset
+    #
+    # References: VT330
+    #
+    # Note: conflicts with XTERM_REVERSE_WRAP
+    #
+    #mode_WHAT('DECGPCS', 45, default=False),
+
+    # DECGPBM - Graphics Print Background Mode
+    #
+    # Default: reset
+    #
+    # References: VT330
+    #
+    # Note: conflicts with XTERM_LOGGING (which VTE does not implement)
+    #
+    #mode_WHAT('DECGPBM', 46, default=False),
+
+    # DECGRPM - Graphics Rotated Print Mode
+    #
+    # Default: reset
+    #
+    # References: VT330
+    #
+    # Note: conflicts with XTERM_ALTBUF
+    #
+    #mode_WHAT('DECGRPM', 47, default=False),
+
+    mode_WHAT('XTERM_ALTBUF', 47, default=False, flags=Flags.WRITABLE),
+
+    mode_WHAT('DEC131TM', 53, default=False),
+
+    # DECNAKB - greek/north-american keyboard mapping mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECNAKB', 57, default=False),
+
+    # DECIPEM - enter/return to/from pro-printer emulation mode
+    # Switches the terminal to (set)/from (reset) the ibm pro
+    # printer protocol.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECIPEM', 58, default=False),
+
+    # Kanji/Katakana Display Mode, from VT382-Kanji
+    mode_WHAT('DECKKDM', 59, default=True),
+
+    # DECHCCM - horizontal cursor coupling mode
+    # Controls what happens when the cursor moves out of the left or
+    # right margins of the window.
+    # If set, the window pans to keep the cursor in view; if reset,
+    # the cursor disappears.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECHCCM', 60, default=False),
+
+    # DECVCCM - vertical cursor coupling mode
+    # Controls what happens when the cursor moves out of the top or
+    # bottom of the window, When the height of the window is smaller
+    # than the page.
+    # If set, the window pans to keep the cursor in view; if reset,
+    # the cursor disappears.
+    #
+    # Default: set
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECVCCM', 61, default=True),
+
+    # DECPCCM - page cursor coupling mode
+    #
+    # Default: set
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECPCCM', 64, default=True),
+
+    # DECNKM - numeric/application keypad mode
+    # Controls whether the numeric keypad sends application (set)
+    # or keypad (reset) sequences.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DEC_APPLICATION_KEYPAD', 66, default=False, flags=Flags.WRITABLE),
+
+    # DECBKM - backarrow key mode
+    # WYDELKM
+    #
+    # If set, the Backspace key works as a backspace key
+    # sending the BS control; if reset, it works as a Delete
+    # key sending the DEL control.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECBKM', 67, default=False, alias=['WYDELKM']),
+
+    # DECKBUM - typewriter/data rpocessing keys mode
+    #
+    # If set, the keyboard keys act as data processing keys;
+    # if reset, as typewriter keys.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECKBUM', 68, default=False),
+
+    # DECLRMM - vertical split-screen mode
+    # Controls whether a DECSLRM is executed.
+    # On set, resets line attributes to single width and single height,
+    # and while set, the terminal ignores any changes to line attributes.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Needs to be implemented if DECSLRM is implemented, to resolve a
+    # conflict between DECSLRM and SCOSC.
+    #
+    # aka DECVSSM
+    #
+    mode_WHAT('DECLRMM', 69, default=False),
+
+    # DECXRLM - transmit rate limit
+    # If set, limits the transmit rate; if reset, the rate is
+    # unlimited.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECXRLM', 73, default=False),
+
+    # DECSDM - sixel display mode (scrolling)
+    #
+    # Default: set
+    #
+    # References: ?
+    #
+    # Note: Conflicts with WY161
+    #
+    mode_WHAT('DECSDM', 80, default=True, flags=Flags.WRITABLE),
+
+    # DECKPM - key position mode
+    # If set, the keyboard sends extended reports (DECEKBD) that include
+    # the key position and modifier state; if reset, it sends character codes.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECKPM', 81, default=False),
+
+    # Thai Space Compensating Mode, from VT382-Thai
+    mode_WHAT('DECTHAISCM', 90, default=False),
+
+    # DECNCSM - no clear screen on DECOLM
+    # If set, the screen is not cleared when the column mode changes
+    # by DECCOLM.
+    # Note that this does not affect DECSCPP.
+    #
+    # Default: set
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECNCSM', 95, default=False),
+
+    # DECRLCM - RTL copy mode
+    # If set, copy/paste from RTL; if reset, from LTR.
+    # Only enabled when the keyboard language is set to hebrew.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECRLCM', 96, default=False),
+
+    # DECCRTSM - CRT save mode
+    # When set, blanks the terminal after the inactivity timeout
+    # (set with DECCRTST).
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECRCRTSM', 97, default=False),
+
+    # DECARSM - auto resize mode
+    # Sets whether changing page arrangements automatically
+    # changes the lines per screen.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECARSM', 98, default=False),
+
+    # DECMCM - modem control mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECMCM', 99, default=False),
+
+    # DECAAM - auto answerback mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    mode_WHAT('DECAAM', 100, default=False),
+
+    # DECCANSM - conceal answerback message mode
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Unimplemented, since we don't support answerback at all.
+    #
+    mode_WHAT('DECANSM', 101, default=False),
+
+    # DECNULM - null mode
+    # If set, pass NUL to the printer; if reset, discard NUL.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECNULM', 102, default=False),
+
+    # DECHDPXM - half-duplex mode
+    # Whether to use half-duplex (set) or full-duplex (reset) mode.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECHDPXM', 103, default=False),
+
+    # DECESKM - enable secondary keyboard language mode
+    # If set, use the secondary keyboard mapping (group 2); if reset,
+    # use the primary (group 1).
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECESKM', 104, default=False),
+
+    # DECOSCNM - overscan mode
+    # (monochrome terminal only)
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECOSCNM', 106, default=False),
+
+    # DECNUMLK - num lock mode
+    #
+    # Set the num lock state as if by acting the NumLock key.
+    # Set means NumLock on; reset means off.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECNUMLK', 108, default=False),
+
+    # DECCAPSLK - caps lock mode
+    #
+    # Set the caps lock state as if by acting the CapsLock key.
+    # Set means CapsLock on; reset means off.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECCAPSLK', 109, default=False),
+
+    # DECKLHIM - keyboard LED host indicator mode
+    # If set, the keyboard LEDs show the state from the host
+    # (see DECLL); if reset, the local state.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECKLHIM', 110, default=False),
+
+    # DECFWM - framed window mode
+    # If set, session window frames are drawn with frame border and icon.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # VTE does not support sessions.
+    #
+    mode_WHAT('DECFWM', 111, default=False),
+
+    # DECRPL - review previous lines mode
+    # If set, allows to view the scrollback.
+    #
+    # Default: set (VTE)
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECRPL', 112, default=True),
+
+    # DECHWUM - host wake-up mode
+    # If set, the terminal exits CRT save and energy save mode
+    # when a character is received from the host.
+    #
+    # Default: ?
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECHWUM', 113, default=False),
+
+    # DECTCUM - alternate text color underline mode
+    #
+    # If set, text with the undeerline attribute is underlined as
+    # well as being displayed in the alternate coolor (if
+    # specified); if reset, it is only displayed in the
+    # alternate color.
+    #
+    # Default: ?
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECATCUM', 114, default=False),
+
+    # DECTCBM - alternate text color blink mode
+    #
+    # If set, text with the blink attribute blinks as well
+    # as being displayed in the alternate color (if
+    # specified); if reset, it is only displayed in the
+    # alternate color.
+    #
+    # Default: ?
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECATCBM', 115, default=False),
+
+    # DECBBSM - bold and blink style mode
+    #
+    # If set, the bold or blink attributes affect both foreground
+    # and background color; if reset, those affect only the foreground
+    # color.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECBBSM', 116, default=False),
+
+    # DECECM - erase color mode
+    #
+    # If set, erased text or new cells appearing on the screen by scrolling
+    # are assigned the screen background color; if reset, they are assigned
+    # the text background color.
+    #
+    # Default: reset
+    #
+    # References: VT525
+    #
+    # Probably not worth implementing.
+    #
+    mode_WHAT('DECECM', 117, default=False),
+
+    # Contour:
+
+    mode_WHAT('CONTOUR_BATCHED_RENDERING', 2026, default=False),
+
+    # DRCSTerm:
+
+    # DRCSMM_V1
+    # Whether to enable DRCSMMv1 unicode mapping
+    #
+    # Default: reset
+    #
+    # References: DRCSTerm
+    #
+    mode_WHAT('DRCSMM_V1', 8800, default=False),
+
+    # KiTTY:
+
+    mode_WHAT('KITTY_STYLED_UNDERLINES', 2016, default=True),
+    mode_WHAT('KITTY_EXTENDED_KEYBOARD', 2017, default=False),
+
+    # MinTTY:
+
+    mode_WHAT('MINTTY_REPORT_CJK_AMBIGUOUS_WIDTH', 7700, default=False),
+    mode_WHAT('MINTTY_REPORT_SCROLL_MARKER_IN_CURRENT_LINE', 7711, default=False),
+    mode_WHAT('MINTTY_APPLICATION_ESCAPE', 7727, default=False),
+    mode_WHAT('MINTTY_ESCAPE_SENDS_FS',7728, default=False),
+
+    # MINTTY_SIXEL_SCROLL_END_POSITION:
+    # If set, sixel scrolling moves the cursor to the left margin on the
+    # next line; if reset, moves the cursor to the right of the inserted
+    # graphic.
+    #
+    # Default: reset
+    #
+    # References: MinTTY
+    mode_WHAT('MINTTY_SIXEL_SCROLL_END_POSITION',7730, default=False),
+
+    mode_WHAT('MINTTY_SCROLLBAR', 7766, default=False),
+    mode_WHAT('MINTTY_REPORT_FONT_CHANGES', 7767, default=False),
+    mode_WHAT('MINTTY_SHORTCUT_OVERRIDE', 7783, default=False),
+    mode_WHAT('MINTTY_ALTBUF_MOUSEWHEEL_TO_CURSORKEYS', 7786, default=False),
+    mode_WHAT('MINTTY_MOUSEWHEEL_APPLICATION_KEYS', 7787, default=False),
+    mode_WHAT('MINTTY_BIDI_DISABLE_IN_CURRENT_LINE', 7796, default=False),
+
+    # MINTTY_SIXEL_SCROLL_CURSOR_RIGHT:
+    # If set, sixel scrolling moves the cursor to the right of the
+    # inserted graphic; if reset, MINTTY_SIXEL_SCROLL_END_POSITION
+    # takes effect.
+    #
+    # Default: reset
+    #
+    # References: MinTTY
+    mode_WHAT('MINTTY_SIXEL_SCROLL_CURSOR_RIGHT', 8452, default=False,
+              alias=['RLOGIN_SIXEL_SCROLL_CURSOR_RIGHT']),
+
+    # MinTTY also knows mode 77096 "BIDI disable", and 77000..77031
+    # "Application control key", all of  which are outside of the supported
+    # range CSI parameters in VTE, so we don't list them here and VTE will
+    # never support them.
+
+    # RLogin:
+
+    # RLogin has many private modes
+    # [https://github.com/kmiya-culti/RLogin/blob/master/RLogin/TextRam.h#L131]:
+    # 1406..1415, 1420..1425, 1430..1434, 1436, 1452..1481,
+    # 8400..8406, 8416..8417, 8428..8429, 8435, 8437..8443,
+    # 8446..8458,
+    # and modes 7727, 7786, 8200 (home cursor on [ED 2]),
+    # 8800 (DRCSMM_V1), 8840 (same as 8428).
+    #
+    # We're not going to implement them, but avoid these ranges
+    # when assigning new mode numbers.
+    #
+    # The following are the ones from RLogin that MLTerm knows about:
+
+    #mode_WHAT('RLOGIN_APPLICATION_ESCAPE', 7727, default=False)
+    #mode_WHAT('RLOGIN_MOUSEWHEEL_TO_CURSORKEYS', 7786, default=False)
+
+    # Ambiguous-width characters are wide (reset) or narrow (set)
+    mode_WHAT('RLOGIN_AMBIGUOUS_WIDTH_CHARACTERS_NARROW', 8428, default=False),
+
+    # XTERM also knows this one
+    #mode_WHAT('RLOGIN_SIXEL_SCROLL_CURSOR_RIGHT', 8452, default=False),
+
+    # [u]RXVT:
+
+    mode_WHAT('RXVT_TOOLBAR', 10, default=False),
+    mode_WHAT('RXVT_SCROLLBAR', 30, default=False),
+
+    # Conflicts with DECHEBM
+    #mode_WHAT('RXVT_SHIFT_KEYS', 35, default=False),
+
+    mode_WHAT('RXVT_SCROLL_OUTPUT', 1010, default=False),
+    mode_WHAT('RXVT_SCROLL_KEYPRESS', 1011, default=False),
+    mode_WHAT('RXVT_MOUSE_EXT', 1015, default=False),
+
+    # Bold/blink uses normal (reset) or high intensity (set) colour
+    mode_WHAT('RXVT_INTENSITY_STYLES', 1021, default=True),
+
+    # WYSE:
+
+    # WYTEK - TEK 4010/4014 personality
+    # If set, switches to TEK 4010/4014 personality.
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    mode_WHAT('WYTEK', 38, default=False, alias=['DECTEK']),
+
+    # WY161 - 161 column mode
+    # If set, switches the terminal to 161 columns; if reset,
+    # to 80 columns.
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    # Note: Conflicts with DECSDM
+    #mode_WHAT('WY161', 80, default=False),
+
+    # WY52 - 52 lines mode
+    # If set, switches the terminal to 52 lines; if reset,
+    # to 24 lines.
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    mode_WHAT('WY52', 83, default=False),
+
+    # WYENAT - enable separate attributes
+    # If set, SGR attributes may be set separately for eraseable
+    # and noneraseable characters. If reset, the same SGR attributes
+    # apply to both eraseable and noneraseable characters.
+    #
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    mode_WHAT('WYENAT', 84, default=False),
+
+    # WYREPL - replacement character color
+    #
+    # Default: reset
+    #
+    # References: WY370
+    #
+    mode_WHAT('WYREPL', 85, default=False),
+
+    # VTE:
+
+    # Whether to swap the Left and Right arrow keys if the cursor
+    # stands over an RTL paragraph.
+    #
+    # Default:  set
+    #
+    # Reference: Terminal-wg/bidi
+    #
+    mode_WHAT('VTE_BIDI_SWAP_ARROW_KEYS', 1243, default=True, flags=Flags.WRITABLE),
+
+    # Whether box drawing characters in the U+2500..U+257F range
+    # are to be mirrored in RTL context.
+    #
+    # Default: reset
+    #
+    # Reference: Terminal-wg/bidi
+    #
+    mode_WHAT('VTE_BIDI_BOX_MIRROR', 2500, default=False, flags=Flags.WRITABLE),
+
+    # Whether BiDi paragraph direction is autodetected.
+    #
+    # Default: reset
+    #
+    # Reference: Terminal-wg/bidi
+    #
+    mode_WHAT('VTE_BIDI_AUTO', 2501, default=False, flags=Flags.WRITABLE),
+
+    # XTERM:
+
+    mode_WHAT('XTERM_ATT610_BLINK', 12, default=False),
+    mode_WHAT('XTERM_CURSOR_BLINK', 13, default=False),
+    mode_WHAT('XTERM_CURSOR_BLINK_XOR', 14, default=False),
+    mode_WHAT('XTERM_CURSES_HACK', 41, default=False),
+    mode_WHAT('XTERM_MARGIN_BELL', 44, default=False),
+    mode_WHAT('XTERM_REVERSE_WRAP', 45, default=False),
+    mode_WHAT('XTERM_LOGGING', 46, default=False),
+
+    mode_WHAT('XTERM_MOUSE_VT220', 1000, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_MOUSE_VT220_HIGHLIGHT', 1001, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_MOUSE_BUTTON_EVENT', 1002, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_MOUSE_ANY_EVENT', 1003, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_FOCUS', 1004, default=False, flags=Flags.WRITABLE),
+
+    mode_WHAT('XTERM_MOUSE_EXT', 1005, default=False),
+
+    mode_WHAT('XTERM_MOUSE_EXT_SGR', 1006, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_ALTBUF_SCROLL', 1007, default=True, flags=Flags.WRITABLE),
+
+    mode_WHAT('XTERM_8BIT_META', 1034, default=False),
+    mode_WHAT('XTERM_NUMLOCK', 1035, default=False),
+
+    mode_WHAT('XTERM_META_SENDS_ESCAPE', 1036, default=True, flags=Flags.WRITABLE),
+
+    mode_WHAT('XTERM_DELETE_IS_DEL', 1037, default=False),
+    mode_WHAT('XTERM_ALT_SENDS_ESCAPE', 1039, default=False),
+    mode_WHAT('XTERM_KEEP_SELECTION', 1040, default=False),
+    mode_WHAT('XTERM_SELECT_TO_CLIPBOARD', 1041, default=False),
+    mode_WHAT('XTERM_BELL_URGENT', 1042, default=False),
+    mode_WHAT('XTERM_PRESENT_ON_BELL', 1043, default=False),
+    mode_WHAT('XTERM_KEEP_CLIPBOARD', 1044, default=False),
+    mode_WHAT('XTERM_ALLOW_ALTBUF', 1046, default=True),
+
+    mode_WHAT('XTERM_OPT_ALTBUF', 1047, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_SAVE_CURSOR', 1048, default=False, flags=Flags.WRITABLE),
+    mode_WHAT('XTERM_OPT_ALTBUF_SAVE_CURSOR', 1049, default=False, flags=Flags.WRITABLE),
+
+    mode_WHAT('XTERM_FKEYS_TERMCAP', 1050, default=False),
+    mode_WHAT('XTERM_FKEYS_SUN', 1051, default=False),
+    mode_WHAT('XTERM_FKEYS_HP', 1052, default=False),
+    mode_WHAT('XTERM_FKEYS_SCO', 1053, default=False),
+    mode_WHAT('XTERM_FKEYS_LEGACY', 1060, default=False),
+    mode_WHAT('XTERM_FKEYS_VT220', 1061, default=False),
+
+    # XTERM_SIXEL_PRIVATE_COLOR_REGISTERS:
+    # When set, each SIXEL graphic uses newly initialised colour registers.
+    # When reset, changes to colour registers from one SIXEL image are
+    # saved and used for the next SIXEL graphic.
+    #
+    # Default: set
+    #
+    # References: XTERM
+    #
+    mode_WHAT('XTERM_SIXEL_PRIVATE_COLOR_REGISTERS', 1070, default=True, flags=Flags.WRITABLE),
+
+    mode_WHAT('XTERM_READLINE_BUTTON1_MOVE_POINT', 2001, default=False),
+    mode_WHAT('XTERM_READLINE_BUTTON2_MOVE_POINT', 2002, default=False),
+    mode_WHAT('XTERM_READLINE_DBLBUTTON3_DELETE', 2003, default=False),
+
+    # Whether to surround pasted text with CSI ~ sequences
+    #
+    # Default: reset
+    #
+    # References: XTERM
+    #
+    mode_WHAT('XTERM_READLINE_BRACKETED_PASTE', 2004, default=False, flags=Flags.WRITABLE),
+
+    mode_WHAT('XTERM_READLINE_PASTE_QUOTE', 2005, default=False),
+    mode_WHAT('XTERM_READLINE_PASTE_LITERAL_NL', 2006, default=False),
+
+    # ************************************************************************
+
+    # Modes for SM_HP/RM_HP (CSI > n [h|l])
+    #
+    # None of these are not implemented in VTE.
+    #
+    # References: HP 2397A
+
+    # HP:
+
+    # HP_MULTIPAGE:
+    # If set, the terminal has multiple pages of 24 lines of display memory.
+    # If reset, the terminal only has one page of 24 lines of display memory
+    #
+    # Default: reset
+    #
+    # References: HP 2397A
+    mode_GT('HP_MULTIPAGE', 1, default=False),
+
+    # HP_MEMLOCK:
+    #
+    # Default: reset
+    #
+    # References: HP 2397A
+    mode_GT('HP_MEMLOCK', 2, default=False),
+
+]
+
+# Output generator
+
+''' Write copyright header '''
+def write_header(outfile):
+    outfile.write('''
+/* Generated by modes.py; do not edit! */
+
+/*
+ * Copyright © 2018, 2020 Christian Persch
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <https://www.gnu.org/licenses/>.
+ */
+''')
+
+
+''' Write sequences '''
+def write_modes(output, mtype):
+    outfile = open(output.as_posix(), 'w')
+    write_header(outfile)
+    outfile.write('''
+#if !defined(MODE) || !defined(MODE_FIXED)
+#error "Must define MODE and MODE_FIXED before including this file"
+#endif
+
+''')
+
+    for m in sorted([m for m in modes if m.mtype == mtype], key=lambda m: m.number):
+
+        if m.flags & Flags.WRITABLE:
+            outfile.write(f'MODE('
+                          f'{m.name}, '
+                          f'{m.number})\n')
+        else:
+            value = 'ALWAYS_SET' if m.default else 'ALWAYS_RESET'
+            outfile.write(f'MODE_FIXED('
+                          f'{m.name}, '
+                          f'{m.number}, '
+                          f'{value})\n')
+
+
+# main
+
+''' main '''
+if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser(description='modes include file generator')
+    parser.add_argument('--destdir',
+                        type=pathlib.Path,
+                        default=pathlib.PosixPath('.'),
+                        help='Output directory')
+
+    try:
+        args = parser.parse_args()
+    except Exception as e:
+        print(f'Failed to parse arguments: {e}')
+        sys.exit(1)
+
+    write_modes(args.destdir / "modes-ecma.hh", Type.ECMA)
+    write_modes(args.destdir / "modes-dec.hh", Type.WHAT)
+    # write_modes(args.destdir / "modes-hp.hh", Type.GT)