Mercurial > hg > xemacs-beta
view src/commands.h @ 5908:6174848f3e6c
Use parse_integer() in read_atom(); support bases with ratios like integers
src/ChangeLog addition:
2015-05-08 Aidan Kehoe <kehoea@parhasard.net>
* data.c (init_errors_once_early):
Move the Qunsupported_type here from numbers.c, so it's available
when the majority of our types are not supported.
* general-slots.h: Add it here, too.
* number.c: Remove the definition of Qunsupported_type from here.
* lread.c (read_atom):
Check if the first character could reflect a rational, if so, call
parse_integer(), don't check the syntax of the other
characters. This allows us to accept the non-ASCII digit
characters too.
If that worked partially, but not completely, and the next char is
a slash, try to parse as a ratio.
If that fails, try isfloat_string(), but only if the first
character could plausibly be part of a float.
Otherwise, treat as a symbol.
* lread.c (read_rational):
Rename from read_integer. Handle ratios with the same radix
specification as was used for integers.
* lread.c (read1):
Rename read_integer in this function. Support the Common Lisp
#NNNrMMM syntax for parsing a number MMM of arbitrary radix NNN.
man/ChangeLog addition:
2015-05-08 Aidan Kehoe <kehoea@parhasard.net>
* lispref/numbers.texi (Numbers):
Describe the newly-supported arbitrary-base syntax for rationals
(integers and ratios). Describe that ratios can take the same base
specification as integers, something also new.
tests/ChangeLog addition:
2015-05-08 Aidan Kehoe <kehoea@parhasard.net>
* automated/lisp-reader-tests.el:
Check the arbitrary-base integer reader syntax support, just
added. Check the reader base support for ratios, just added.
Check the non-ASCII-digit support in the reader, just added.
author | Aidan Kehoe <kehoea@parhasard.net> |
---|---|
date | Sat, 09 May 2015 00:40:57 +0100 |
parents | 308d34e9f07d |
children |
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/* Definitions needed by most editing commands. Copyright (C) 1985-1994 Free Software Foundation, Inc. This file is part of XEmacs. XEmacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. XEmacs 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 General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ /* Synched up with: FSF 19.30. */ #ifndef INCLUDED_commands_h_ #define INCLUDED_commands_h_ #if 0 /* FSFmacs */ #define Ctl(c) ((c)&037) #endif /* bunches of FSF keymap and minibuffer stuff not here (in Lisp) */ extern Lisp_Object Vlast_command_event; extern Lisp_Object Vlast_input_event; /* These next two for compatibility; they are V... because they can be nil. (Many FSFmacs equivalent variables incorrectly omit the V even though they are Lisp_Objects.) */ /* Last character of last key sequence. */ extern Lisp_Object Vlast_command_char; extern Lisp_Object Vlast_input_char; #if 0 /* FSFmacs */ /* Last input character read as a command, not counting menus reached by the mouse. */ extern Lisp_Object Vlast_nonmenu_event; #endif #if 0 /* Local to event-stream.c */ /* List of command events to be re-read, or Qnil. */ extern Lisp_Object Vunread_command_events; #endif #if 0 /* FSFmacs */ /* Command char event to be re-read, or -1 if none. Setting this is obsolete, but some things should still check it. */ extern int unread_command_char; #endif /* Last command executed by the editor command loop, not counting commands that set the prefix argument. */ extern Lisp_Object Vlast_command; /* The command being executed by the command loop. Commands may set this, and the value set will be copied into Vlast_command instead of the actual command. */ extern Lisp_Object Vthis_command; #if 0 /* FSFmacs */ /* If not Qnil, this is a switch-frame event which we decided to put off until the end of a key sequence. This should be read as the next command input, after any Vunread_command_events. read_key_sequence uses this to delay switch-frame events until the end of the key sequence; Fread_char uses it to put off switch-frame events until a non-ASCII event is acceptable as input. */ extern Lisp_Object unread_switch_frame; #endif #if 0 /* Local to event-stream.c */ /* The value of point when the last command was executed. */ extern int last_point_position; /* The buffer that was current when the last command was started. */ extern Lisp_Object last_point_position_buffer; #endif /* This is so incredibly losing that it's been completely eliminated from the code. Trust me, there are cleaner, safer ways of achieving the same functionality (e.g. use select()). */ /* extern int immediate_quit; Nonzero means ^G can quit instantly */ /* Nonzero if input is coming from the keyboard */ #define INTERACTIVE (NILP (Vexecuting_macro) && !noninteractive) /* Set this nonzero to force reconsideration of modeline. */ extern int modeline_changed; extern Lisp_Object recent_keys_ring; extern int recent_keys_ring_index; /* #ifndef LISP_COMMAND_LOOP */ extern Lisp_Object Vtop_level; /* #else */ extern Lisp_Object Vcommand_loop; /* #endif */ DECLARE_DOESNT_RETURN (initial_command_loop (Lisp_Object)); DECLARE_DOESNT_RETURN_TYPE (Lisp_Object, call_command_loop (Lisp_Object catch_errors)); extern Fixnum command_loop_level; extern Lisp_Object Vkeyboard_translate_table; extern Lisp_Object Vlast_input_time; extern Lisp_Object Vcurrent_mouse_event; extern int zmacs_regions; extern int zmacs_region_active_p; extern int zmacs_region_stays; void zmacs_update_region (void); void zmacs_deactivate_region (void); Lisp_Object zmacs_region_buffer (void); extern Lisp_Object Vthis_command_keys; /* event-stream.c */ #endif /* INCLUDED_commands_h_ */