diff options
Diffstat (limited to 'src/intervals.h')
| -rw-r--r-- | src/intervals.h | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/src/intervals.h b/src/intervals.h deleted file mode 100644 index 8ad333e2a67..00000000000 --- a/src/intervals.h +++ /dev/null @@ -1,255 +0,0 @@ -/* Definitions and global variables for intervals. - Copyright (C) 1993, 1994 Free Software Foundation, Inc. - -This file is part of GNU Emacs. - -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. - -GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#ifdef USE_TEXT_PROPERTIES -#ifndef NORMAL_FACE -#include "dispextern.h" -#endif - -#define NULL_INTERVAL 0 -#define INTERVAL_DEFAULT NULL_INTERVAL - -/* These are macros for dealing with the interval tree. */ - -/* Size of the structure used to represent an interval */ -#define INTERVAL_SIZE (sizeof (struct interval)) - -/* Size of a pointer to an interval structure */ -#define INTERVAL_PTR_SIZE (sizeof (struct interval *)) - -/* True if an interval pointer is null, or is a Lisp_Buffer or - Lisp_String pointer (meaning it points to the owner of this - interval tree). */ -#define NULL_INTERVAL_P(i) ((i) == NULL_INTERVAL \ - || BUFFERP ((Lisp_Object)(i)) \ - || STRINGP ((Lisp_Object)(i))) - -/* True if this interval has no right child. */ -#define NULL_RIGHT_CHILD(i) ((i)->right == NULL_INTERVAL) - -/* True if this interval has no left child. */ -#define NULL_LEFT_CHILD(i) ((i)->left == NULL_INTERVAL) - -/* True if this interval has no parent. */ -#define NULL_PARENT(i) (NULL_INTERVAL_P ((i)->parent)) - -/* True if this interval is the left child of some other interval. */ -#define AM_LEFT_CHILD(i) (! NULL_INTERVAL_P ((i)->parent) \ - && (i)->parent->left == (i)) - -/* True if this interval is the right child of some other interval. */ -#define AM_RIGHT_CHILD(i) (! NULL_INTERVAL_P ((i)->parent) \ - && (i)->parent->right == (i)) - -/* True if this interval has no children. */ -#define LEAF_INTERVAL_P(i) ((i)->left == NULL_INTERVAL \ - && (i)->right == NULL_INTERVAL) - -/* True if this interval has no parent and is therefore the root. */ -#define ROOT_INTERVAL_P(i) (NULL_PARENT (i)) - -/* True if this interval is the only interval in the interval tree. */ -#define ONLY_INTERVAL_P(i) (ROOT_INTERVAL_P ((i)) && LEAF_INTERVAL_P ((i))) - -/* True if this interval has both left and right children. */ -#define BOTH_KIDS_P(i) ((i)->left != NULL_INTERVAL \ - && (i)->right != NULL_INTERVAL) - -/* The total size of all text represented by this interval and all its - children in the tree. This is zero if the interval is null. */ -#define TOTAL_LENGTH(i) ((i) == NULL_INTERVAL ? 0 : (i)->total_length) - -/* The size of text represented by this interval alone. */ -#define LENGTH(i) ((i) == NULL_INTERVAL ? 0 : (TOTAL_LENGTH ((i)) \ - - TOTAL_LENGTH ((i)->right) \ - - TOTAL_LENGTH ((i)->left))) - -/* The position of the character just past the end of I. Note that - the position cache i->position must be valid for this to work. */ -#define INTERVAL_LAST_POS(i) ((i)->position + LENGTH ((i))) - -/* The total size of the left subtree of this interval. */ -#define LEFT_TOTAL_LENGTH(i) ((i)->left ? (i)->left->total_length : 0) - -/* The total size of the right subtree of this interval. */ -#define RIGHT_TOTAL_LENGTH(i) ((i)->right ? (i)->right->total_length : 0) - - -/* These macros are for dealing with the interval properties. */ - -/* True if this is a default interval, which is the same as being null - or having no properties. */ -#define DEFAULT_INTERVAL_P(i) (NULL_INTERVAL_P (i) || EQ ((i)->plist, Qnil)) - -/* Reset this interval to its vanilla, or no-property state. */ -#define RESET_INTERVAL(i) \ -{ \ - (i)->total_length = (i)->position = 0; \ - (i)->left = (i)->right = NULL_INTERVAL; \ - (i)->parent = NULL_INTERVAL; \ - (i)->write_protect = 0; \ - (i)->visible = 0; \ - (i)->front_sticky = (i)->rear_sticky = 0; \ - (i)->plist = Qnil; \ -} - -/* Copy the cached property values of interval FROM to interval TO. */ -#define COPY_INTERVAL_CACHE(from,to) \ -{ \ - (to)->write_protect = (from)->write_protect; \ - (to)->visible = (from)->visible; \ - (to)->front_sticky = (from)->front_sticky; \ - (to)->rear_sticky = (from)->rear_sticky; \ -} - -/* Copy only the set bits of FROM's cache. */ -#define MERGE_INTERVAL_CACHE(from,to) \ -{ \ - if ((from)->write_protect) (to)->write_protect = 1; \ - if ((from)->visible) (to)->visible = 1; \ - if ((from)->front_sticky) (to)->front_sticky = 1; \ - if ((from)->rear_sticky) (to)->rear_sticky = 1; \ -} - -/* Macro determining whether the properties of an interval being - inserted should be merged with the properties of the text where - they are being inserted. */ -#define MERGE_INSERTIONS(i) 1 - -/* Macro determining if an invisible interval should be displayed - as a special glyph, or not at all. */ -#define DISPLAY_INVISIBLE_GLYPH(i) 0 - -/* Is this interval visible? Replace later with cache access */ -#define INTERVAL_VISIBLE_P(i) \ - (! NULL_INTERVAL_P (i) && NILP (textget ((i)->plist, Qinvisible))) - -/* Is this interval writable? Replace later with cache access */ -#define INTERVAL_WRITABLE_P(i) \ - (! NULL_INTERVAL_P (i) \ - && (NILP (textget ((i)->plist, Qread_only)) \ - || ((CONSP (Vinhibit_read_only) \ - ? !NILP (Fmemq (textget ((i)->plist, Qread_only), \ - Vinhibit_read_only)) \ - : !NILP (Vinhibit_read_only))))) \ - -/* Macros to tell whether insertions before or after this interval - should stick to it. */ -/* Replace later with cache access */ -/*#define FRONT_STICKY_P(i) ((i)->front_sticky != 0) - #define END_STICKY_P(i) ((i)->rear_sticky != 0)*/ -#define FRONT_STICKY_P(i) \ - (! NULL_INTERVAL_P (i) && ! NILP (textget ((i)->plist, Qfront_sticky))) -#define END_NONSTICKY_P(i) \ - (! NULL_INTERVAL_P (i) && ! NILP (textget ((i)->plist, Qrear_nonsticky))) -#define FRONT_NONSTICKY_P(i) \ - (! NULL_INTERVAL_P (i) && ! EQ (Qt, textget ((i)->plist, Qfront_sticky))) - - -/* If PROP is the `invisible' property of a character, - this is 1 if the character should be treated as invisible. */ - -#define TEXT_PROP_MEANS_INVISIBLE(prop) \ - (EQ (current_buffer->invisibility_spec, Qt) \ - ? ! NILP (prop) \ - : invisible_p (prop, current_buffer->invisibility_spec)) - -/* If PROP is the `invisible' property of a character, - this is 1 if the character should be treated as invisible - and should have an ellipsis. */ - -#define TEXT_PROP_MEANS_INVISIBLE_WITH_ELLIPSIS(prop) \ - (EQ (current_buffer->invisibility_spec, Qt) \ - ? 0 \ - : invisible_ellipsis_p (prop, current_buffer->invisibility_spec)) - -/* Declared in alloc.c */ - -extern INTERVAL make_interval (); - -/* Declared in intervals.c */ - -extern INTERVAL create_root_interval (); -extern void copy_properties (); -extern int intervals_equal (); -extern void traverse_intervals (); -extern INTERVAL split_interval_right (), split_interval_left (); -extern INLINE INTERVAL find_interval (); -extern INTERVAL next_interval (), previous_interval (); -extern INTERVAL merge_interval_left (), merge_interval_right (); -extern void delete_interval (); -extern INLINE void offset_intervals (); -extern void graft_intervals_into_buffer (); -extern void set_point (); -extern INLINE void temp_set_point (); -extern void verify_interval_modification (); -extern INTERVAL balance_intervals (); -extern INLINE void copy_intervals_to_string (); -extern INTERVAL copy_intervals (); -extern Lisp_Object textget (); -extern Lisp_Object get_local_map (); - -/* Declared in textprop.c */ - -/* Types of hooks. */ -extern Lisp_Object Qmouse_left; -extern Lisp_Object Qmouse_entered; -extern Lisp_Object Qpoint_left; -extern Lisp_Object Qpoint_entered; -extern Lisp_Object Qmodification_hooks; -extern Lisp_Object Qcategory; -extern Lisp_Object Qlocal_map; - -/* Visual properties text (including strings) may have. */ -extern Lisp_Object Qforeground, Qbackground, Qfont, Qunderline, Qstipple; -extern Lisp_Object Qinvisible, Qintangible, Qread_only; - -extern Lisp_Object Vinhibit_point_motion_hooks; -extern Lisp_Object Vdefault_text_properties; - -/* Sticky properties */ -extern Lisp_Object Qfront_sticky, Qrear_nonsticky; - -extern Lisp_Object Fget_char_property (), Fget_text_property (); -extern Lisp_Object Ftext_properties_at (); -extern Lisp_Object Fnext_property_change (), Fprevious_property_change (); -extern Lisp_Object Fadd_text_properties (), Fset_text_properties (); -extern Lisp_Object Fremove_text_properties (), Ferase_text_properties (); -extern Lisp_Object Ftext_property_any (), Ftext_property_not_all (); -extern Lisp_Object copy_text_properties (); - -extern void syms_of_textprop (); - -#else /* don't support text properties */ - -#define NULL_INTERVAL_P(i) 1 -#define INTERVAL_SIZE 0 -#define INTERVAL_PTR_SIZE 0 - -#define copy_intervals_to_string(string,buffer,position,length) -#define verify_interval_modification(buffer,start,end) -#define insert_interval_copy(source,position,end,sink,at) -#define graft_intervals_into_buffer(tree,position,bufferptr) -#define offset_intervals(buffer,position,length) -#define copy_intervals(tree,start,length) - -#define syms_of_textprop() - -#endif /* don't support text properties */ |