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Commit b88e82fd authored by Richard M. Stallman's avatar Richard M. Stallman
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(describe_map_tree): New arg MENTION_SHADOW. Calls changed. 

(describe_map, describe_vector): Likewise.  When it's 1,
don't omit shadowed bindings, instead mark them as shadowed.
parent e679a3c1
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Showing with 60 additions and 20 deletions
src/keymap.c
View file @ b88e82fd
......@@ -120,10 +120,11 @@ static void describe_command P_ ((Lisp_Object, Lisp_Object));
static void describe_translation P_ ((Lisp_Object, Lisp_Object));
static void describe_map P_ ((Lisp_Object, Lisp_Object,
void (*) P_ ((Lisp_Object, Lisp_Object)),
int, Lisp_Object, Lisp_Object*, int));
int, Lisp_Object, Lisp_Object*, int, int));
static void describe_vector P_ ((Lisp_Object, Lisp_Object, Lisp_Object,
void (*) (Lisp_Object, Lisp_Object), int,
Lisp_Object, Lisp_Object, int *, int, int));
Lisp_Object, Lisp_Object, int *,
int, int, int));
static void silly_event_symbol_error P_ ((Lisp_Object));
/* Keymap object support - constructors and predicates. */
......@@ -2834,7 +2835,7 @@ You type Translation\n\
if (!NILP (Vkey_translation_map))
describe_map_tree (Vkey_translation_map, 0, Qnil, prefix,
"Key translations", nomenu, 1, 0);
"Key translations", nomenu, 1, 0, 0);
/* Print the (major mode) local map. */
......@@ -2847,7 +2848,7 @@ You type Translation\n\
if (!NILP (start1))
{
describe_map_tree (start1, 1, shadow, prefix,
"\f\nOverriding Bindings", nomenu, 0, 0);
"\f\nOverriding Bindings", nomenu, 0, 0, 0);
shadow = Fcons (start1, shadow);
}
else
......@@ -2868,7 +2869,8 @@ You type Translation\n\
if (!NILP (start1))
{
describe_map_tree (start1, 1, shadow, prefix,
"\f\n`keymap' Property Bindings", nomenu, 0, 0);
"\f\n`keymap' Property Bindings", nomenu,
0, 0, 0);
shadow = Fcons (start1, shadow);
}
......@@ -2896,7 +2898,8 @@ You type Translation\n\
p += sizeof (" Minor Mode Bindings") - 1;
*p = 0;
describe_map_tree (maps[i], 1, shadow, prefix, title, nomenu, 0, 0);
describe_map_tree (maps[i], 1, shadow, prefix,
title, nomenu, 0, 0, 0);
shadow = Fcons (maps[i], shadow);
}
......@@ -2906,23 +2909,23 @@ You type Translation\n\
{
if (EQ (start1, XBUFFER (buffer)->keymap))
describe_map_tree (start1, 1, shadow, prefix,
"\f\nMajor Mode Bindings", nomenu, 0, 0);
"\f\nMajor Mode Bindings", nomenu, 0, 0, 0);
else
describe_map_tree (start1, 1, shadow, prefix,
"\f\n`local-map' Property Bindings",
nomenu, 0, 0);
nomenu, 0, 0, 0);
shadow = Fcons (start1, shadow);
}
}
describe_map_tree (current_global_map, 1, shadow, prefix,
"\f\nGlobal Bindings", nomenu, 0, 1);
"\f\nGlobal Bindings", nomenu, 0, 1, 0);
/* Print the function-key-map translations under this prefix. */
if (!NILP (Vfunction_key_map))
describe_map_tree (Vfunction_key_map, 0, Qnil, prefix,
"\f\nFunction key map translations", nomenu, 1, 0);
"\f\nFunction key map translations", nomenu, 1, 0, 0);
UNGCPRO;
return Qnil;
......@@ -2943,17 +2946,21 @@ You type Translation\n\
so print strings and vectors differently.
If ALWAYS_TITLE is nonzero, print the title even if there are no maps
to look through. */
to look through.
If MENTION_SHADOW is nonzero, then when something is shadowed by SHADOW,
don't omit it; instead, mention it but say it is shadowed. */
void
describe_map_tree (startmap, partial, shadow, prefix, title, nomenu, transl,
always_title)
always_title, mention_shadow)
Lisp_Object startmap, shadow, prefix;
int partial;
char *title;
int nomenu;
int transl;
int always_title;
int mention_shadow;
{
Lisp_Object maps, orig_maps, seen, sub_shadows;
struct gcpro gcpro1, gcpro2, gcpro3;
......@@ -3055,7 +3062,7 @@ key binding\n\
describe_map (Fcdr (elt), prefix,
transl ? describe_translation : describe_command,
partial, sub_shadows, &seen, nomenu);
partial, sub_shadows, &seen, nomenu, mention_shadow);
skip: ;
}
......@@ -3135,7 +3142,8 @@ describe_translation (definition, args)
PARTIAL, SHADOW, NOMENU are as in `describe_map_tree' above. */
static void
describe_map (map, prefix, elt_describer, partial, shadow, seen, nomenu)
describe_map (map, prefix, elt_describer, partial, shadow,
seen, nomenu, mention_shadow)
register Lisp_Object map;
Lisp_Object prefix;
void (*elt_describer) P_ ((Lisp_Object, Lisp_Object));
......@@ -3143,6 +3151,7 @@ describe_map (map, prefix, elt_describer, partial, shadow, seen, nomenu)
Lisp_Object shadow;
Lisp_Object *seen;
int nomenu;
int mention_shadow;
{
Lisp_Object tail, definition, event;
Lisp_Object tem;
......@@ -3172,9 +3181,10 @@ describe_map (map, prefix, elt_describer, partial, shadow, seen, nomenu)
|| CHAR_TABLE_P (XCAR (tail)))
describe_vector (XCAR (tail),
prefix, Qnil, elt_describer, partial, shadow, map,
(int *)0, 0, 1);
(int *)0, 0, 1, mention_shadow);
else if (CONSP (XCAR (tail)))
{
int this_shadowed = 0;
event = XCAR (XCAR (tail));
/* Ignore bindings whose "prefix" are not really valid events.
......@@ -3203,7 +3213,13 @@ describe_map (map, prefix, elt_describer, partial, shadow, seen, nomenu)
if (!NILP (shadow))
{
tem = shadow_lookup (shadow, kludge, Qt);
if (!NILP (tem)) continue;
if (!NILP (tem))
{
if (mention_shadow)
this_shadowed = 1;
else
continue;
}
}
tem = Flookup_key (map, kludge, Qt);
......@@ -3223,6 +3239,13 @@ describe_map (map, prefix, elt_describer, partial, shadow, seen, nomenu)
elt_describer will take care of spacing out far enough
for alignment purposes. */
(*elt_describer) (definition, Qnil);
if (this_shadowed)
{
SET_PT (PT - 1);
insert_string (" (binding currently shadowed)");
SET_PT (PT + 1);
}
}
else if (EQ (XCAR (tail), Qkeymap))
{
......@@ -3261,7 +3284,7 @@ DESCRIBER is the output function used; nil means use `princ'. */)
specbind (Qstandard_output, Fcurrent_buffer ());
CHECK_VECTOR_OR_CHAR_TABLE (vector);
describe_vector (vector, Qnil, describer, describe_vector_princ, 0,
Qnil, Qnil, (int *)0, 0, 0);
Qnil, Qnil, (int *)0, 0, 0, 0);
return unbind_to (count, Qnil);
}
......@@ -3303,7 +3326,8 @@ DESCRIBER is the output function used; nil means use `princ'. */)
static void
describe_vector (vector, prefix, args, elt_describer,
partial, shadow, entire_map,
indices, char_table_depth, keymap_p)
indices, char_table_depth, keymap_p,
mention_shadow)
register Lisp_Object vector;
Lisp_Object prefix, args;
void (*elt_describer) P_ ((Lisp_Object, Lisp_Object));
......@@ -3313,6 +3337,7 @@ describe_vector (vector, prefix, args, elt_describer,
int *indices;
int char_table_depth;
int keymap_p;
int mention_shadow;
{
Lisp_Object definition;
Lisp_Object tem2;
......@@ -3396,6 +3421,7 @@ describe_vector (vector, prefix, args, elt_describer,
for (i = from; i < to; i++)
{
int this_shadowed = 0;
QUIT;
if (CHAR_TABLE_P (vector))
......@@ -3455,7 +3481,13 @@ describe_vector (vector, prefix, args, elt_describer,
tem = shadow_lookup (shadow, kludge, Qt);
if (!NILP (tem)) continue;
if (!NILP (tem))
{
if (mention_shadow)
this_shadowed = 1;
else
continue;
}
}
/* Ignore this definition if it is shadowed by an earlier
......@@ -3531,7 +3563,8 @@ describe_vector (vector, prefix, args, elt_describer,
insert ("\n", 1);
describe_vector (definition, prefix, args, elt_describer,
partial, shadow, entire_map,
indices, char_table_depth + 1, keymap_p);
indices, char_table_depth + 1, keymap_p,
mention_shadow);
continue;
}
......@@ -3605,6 +3638,13 @@ describe_vector (vector, prefix, args, elt_describer,
elt_describer will take care of spacing out far enough
for alignment purposes. */
(*elt_describer) (definition, args);
if (this_shadowed)
{
SET_PT (PT - 1);
insert_string (" (binding currently shadowed)");
SET_PT (PT + 1);
}
}
/* For (sub) char-table, print `defalt' slot at last. */
......
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