X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/8cf06c7f74ccb33646dabf1553c4fdbbe030ae6a..76b6f7075970e492eba3cf3f4411fcfc4ff3bdcd:/src/textprop.c diff --git a/src/textprop.c b/src/textprop.c index b98acaeccd..0018088b63 100644 --- a/src/textprop.c +++ b/src/textprop.c @@ -1,13 +1,13 @@ /* Interface code for dealing with text properties. Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003, - 2004, 2005, 2006, 2007 Free Software Foundation, Inc. + 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GNU Emacs. -GNU Emacs is free software; you can redistribute it and/or modify +GNU Emacs 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 2, or (at your option) -any later version. +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -15,9 +15,7 @@ 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 GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ +along with GNU Emacs. If not, see . */ #include #include "lisp.h" @@ -59,6 +57,7 @@ Lisp_Object Qlocal_map; /* Visual properties text (including strings) may have. */ Lisp_Object Qforeground, Qbackground, Qfont, Qunderline, Qstipple; Lisp_Object Qinvisible, Qread_only, Qintangible, Qmouse_face; +Lisp_Object Qminibuffer_prompt; /* Sticky properties */ Lisp_Object Qfront_sticky, Qrear_nonsticky; @@ -201,9 +200,9 @@ validate_plist (list) { register int i; register Lisp_Object tail; - for (i = 0, tail = list; !NILP (tail); i++) + for (i = 0, tail = list; CONSP (tail); i++) { - tail = Fcdr (tail); + tail = XCDR (tail); QUIT; } if (i & 1) @@ -226,18 +225,18 @@ interval_has_all_properties (plist, i) register int found; /* Go through each element of PLIST. */ - for (tail1 = plist; ! NILP (tail1); tail1 = Fcdr (Fcdr (tail1))) + for (tail1 = plist; CONSP (tail1); tail1 = Fcdr (XCDR (tail1))) { - sym1 = Fcar (tail1); + sym1 = XCAR (tail1); found = 0; /* Go through I's plist, looking for sym1 */ - for (tail2 = i->plist; ! NILP (tail2); tail2 = Fcdr (Fcdr (tail2))) - if (EQ (sym1, Fcar (tail2))) + for (tail2 = i->plist; CONSP (tail2); tail2 = Fcdr (XCDR (tail2))) + if (EQ (sym1, XCAR (tail2))) { /* Found the same property on both lists. If the values are unequal, return zero. */ - if (! EQ (Fcar (Fcdr (tail1)), Fcar (Fcdr (tail2)))) + if (! EQ (Fcar (XCDR (tail1)), Fcar (XCDR (tail2)))) return 0; /* Property has same value on both lists; go to next one. */ @@ -263,13 +262,13 @@ interval_has_some_properties (plist, i) register Lisp_Object tail1, tail2, sym; /* Go through each element of PLIST. */ - for (tail1 = plist; ! NILP (tail1); tail1 = Fcdr (Fcdr (tail1))) + for (tail1 = plist; CONSP (tail1); tail1 = Fcdr (XCDR (tail1))) { - sym = Fcar (tail1); + sym = XCAR (tail1); /* Go through i's plist, looking for tail1 */ - for (tail2 = i->plist; ! NILP (tail2); tail2 = Fcdr (Fcdr (tail2))) - if (EQ (sym, Fcar (tail2))) + for (tail2 = i->plist; CONSP (tail2); tail2 = Fcdr (XCDR (tail2))) + if (EQ (sym, XCAR (tail2))) return 1; } @@ -287,12 +286,12 @@ interval_has_some_properties_list (list, i) register Lisp_Object tail1, tail2, sym; /* Go through each element of LIST. */ - for (tail1 = list; ! NILP (tail1); tail1 = XCDR (tail1)) + for (tail1 = list; CONSP (tail1); tail1 = XCDR (tail1)) { sym = Fcar (tail1); /* Go through i's plist, looking for tail1 */ - for (tail2 = i->plist; ! NILP (tail2); tail2 = XCDR (XCDR (tail2))) + for (tail2 = i->plist; CONSP (tail2); tail2 = XCDR (XCDR (tail2))) if (EQ (sym, XCAR (tail2))) return 1; } @@ -391,21 +390,21 @@ add_properties (plist, i, object) GCPRO3 (tail1, sym1, val1); /* Go through each element of PLIST. */ - for (tail1 = plist; ! NILP (tail1); tail1 = Fcdr (Fcdr (tail1))) + for (tail1 = plist; CONSP (tail1); tail1 = Fcdr (XCDR (tail1))) { - sym1 = Fcar (tail1); - val1 = Fcar (Fcdr (tail1)); + sym1 = XCAR (tail1); + val1 = Fcar (XCDR (tail1)); found = 0; /* Go through I's plist, looking for sym1 */ - for (tail2 = i->plist; ! NILP (tail2); tail2 = Fcdr (Fcdr (tail2))) - if (EQ (sym1, Fcar (tail2))) + for (tail2 = i->plist; CONSP (tail2); tail2 = Fcdr (XCDR (tail2))) + if (EQ (sym1, XCAR (tail2))) { /* No need to gcpro, because tail2 protects this and it must be a cons cell (we get an error otherwise). */ register Lisp_Object this_cdr; - this_cdr = Fcdr (tail2); + this_cdr = XCDR (tail2); /* Found the property. Now check its value. */ found = 1; @@ -646,6 +645,10 @@ get_char_property_and_overlay (position, prop, object, overlay) Lisp_Object *overlay_vec; struct buffer *obuf = current_buffer; + if (XINT (position) < BUF_BEGV (XBUFFER (object)) + || XINT (position) > BUF_ZV (XBUFFER (object))) + xsignal1 (Qargs_out_of_range, position); + set_buffer_temp (XBUFFER (object)); GET_OVERLAYS_AT (XINT (position), overlay_vec, noverlays, NULL, 0); @@ -713,7 +716,7 @@ POSITION is at the end of OBJECT, both car and cdr are nil. */) Lisp_Object overlay; Lisp_Object val = get_char_property_and_overlay (position, prop, object, &overlay); - return Fcons(val, overlay); + return Fcons (val, overlay); } @@ -881,7 +884,7 @@ back past position LIMIT; return LIMIT if nothing is found before LIMIT. */) if (NILP (position)) { if (NILP (limit)) - position = make_number (SCHARS (object)); + position = make_number (0); else { CHECK_NUMBER (limit); @@ -1502,7 +1505,7 @@ the current buffer), START and END are buffer positions (integers or markers). If OBJECT is a string, START and END are 0-based indices into it. Return t if any property was actually removed, nil otherwise. -Use set-text-properties if you want to remove all text properties. */) +Use `set-text-properties' if you want to remove all text properties. */) (start, end, properties, object) Lisp_Object start, end, properties, object; { @@ -1633,8 +1636,8 @@ Return t if any property was actually removed, nil otherwise. */) The flag `modified' records if changes have been made. When object is a buffer, we must call modify_region before changes are made and signal_after_change when we are done. - We call modify_region before calling remove_properties iff modified == 0, - and we call signal_after_change before returning iff modified != 0. */ + We call modify_region before calling remove_properties if modified == 0, + and we call signal_after_change before returning if modified != 0. */ for (;;) { if (i == 0) @@ -1965,10 +1968,10 @@ text_property_list (object, start, end, prop) plist = i->plist; if (!NILP (prop)) - for (; !NILP (plist); plist = Fcdr (Fcdr (plist))) - if (EQ (Fcar (plist), prop)) + for (; CONSP (plist); plist = Fcdr (XCDR (plist))) + if (EQ (XCAR (plist), prop)) { - plist = Fcons (prop, Fcons (Fcar (Fcdr (plist)), Qnil)); + plist = Fcons (prop, Fcons (Fcar (XCDR (plist)), Qnil)); break; } @@ -2292,8 +2295,8 @@ Each element has the form (PROPERTY . NONSTICKINESS). If a character in a buffer has PROPERTY, new text inserted adjacent to the character doesn't inherit PROPERTY if NONSTICKINESS is non-nil, -inherits it if NONSTICKINESS is nil. The front-sticky and -rear-nonsticky properties of the character overrides NONSTICKINESS. */); +inherits it if NONSTICKINESS is nil. The `front-sticky' and +`rear-nonsticky' properties of the character override NONSTICKINESS. */); /* Text property `syntax-table' should be nonsticky by default. */ Vtext_property_default_nonsticky = Fcons (Fcons (intern ("syntax-table"), Qt), Qnil); @@ -2332,6 +2335,8 @@ rear-nonsticky properties of the character overrides NONSTICKINESS. */); Qrear_nonsticky = intern ("rear-nonsticky"); staticpro (&Qmouse_face); Qmouse_face = intern ("mouse-face"); + staticpro (&Qminibuffer_prompt); + Qminibuffer_prompt = intern ("minibuffer-prompt"); /* Properties that text might use to specify certain actions */