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Use VEC for filename_language_table

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This patch changes filename_language_table to be a VEC.  This seemed
like a reasonable cleanup over the old code.

2016-06-23  Tom Tromey  <tom@tromey.com>

	* symfile.c (filename_language_table): Now a VEC.
	(fl_table_size, fl_table_next): Remove.
	(add_filename_language): Use VEC_safe_push.
	(set_ext_lang_command, info_ext_lang_command)
	(deduce_language_from_filename): Use VEC_iterate.
	(init_filename_language_table): Use VEC_empty.
This commit is contained in:
Tom Tromey 2016-05-26 10:22:03 -06:00
parent 0c72ed4ca2
commit 3fcf0b0d5a
2 changed files with 46 additions and 33 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2016-06-23 Tom Tromey <tom@tromey.com>
* symfile.c (filename_language_table): Now a VEC.
(fl_table_size, fl_table_next): Remove.
(add_filename_language): Use VEC_safe_push.
(set_ext_lang_command, info_ext_lang_command)
(deduce_language_from_filename): Use VEC_iterate.
(init_filename_language_table): Use VEC_empty.
2016-06-23 Tom Tromey <tom@tromey.com>
* python/python.c (gdbpy_parameter): Now static.

70
gdb/symfile.c
View File

@ -2713,26 +2713,21 @@ typedef struct
{
char *ext;
enum language lang;
}
filename_language;
} filename_language;
static filename_language *filename_language_table;
static int fl_table_size, fl_table_next;
DEF_VEC_O (filename_language);
static VEC (filename_language) *filename_language_table;
static void
add_filename_language (char *ext, enum language lang)
{
if (fl_table_next >= fl_table_size)
{
fl_table_size += 10;
filename_language_table = XRESIZEVEC (filename_language,
filename_language_table,
fl_table_size);
}
filename_language entry;
filename_language_table[fl_table_next].ext = xstrdup (ext);
filename_language_table[fl_table_next].lang = lang;
fl_table_next++;
entry.ext = xstrdup (ext);
entry.lang = lang;
VEC_safe_push (filename_language, filename_language_table, &entry);
}
static char *ext_args;
@ -2752,6 +2747,7 @@ set_ext_lang_command (char *args, int from_tty, struct cmd_list_element *e)
int i;
char *cp = ext_args;
enum language lang;
filename_language *entry;
/* First arg is filename extension, starting with '.' */
if (*cp != '.')
@ -2781,11 +2777,15 @@ set_ext_lang_command (char *args, int from_tty, struct cmd_list_element *e)
lang = language_enum (cp);
/* Now lookup the filename extension: do we already know it? */
for (i = 0; i < fl_table_next; i++)
if (0 == strcmp (ext_args, filename_language_table[i].ext))
break;
for (i = 0;
VEC_iterate (filename_language, filename_language_table, i, entry);
++i)
{
if (0 == strcmp (ext_args, entry->ext))
break;
}
if (i >= fl_table_next)
if (entry == NULL)
{
/* New file extension. */
add_filename_language (ext_args, lang);
@ -2798,9 +2798,9 @@ set_ext_lang_command (char *args, int from_tty, struct cmd_list_element *e)
/* query ("Really make files of type %s '%s'?", */
/* ext_args, language_str (lang)); */
xfree (filename_language_table[i].ext);
filename_language_table[i].ext = xstrdup (ext_args);
filename_language_table[i].lang = lang;
xfree (entry->ext);
entry->ext = xstrdup (ext_args);
entry->lang = lang;
}
}
@ -2808,24 +2808,22 @@ static void
info_ext_lang_command (char *args, int from_tty)
{
int i;
filename_language *entry;
printf_filtered (_("Filename extensions and the languages they represent:"));
printf_filtered ("\n\n");
for (i = 0; i < fl_table_next; i++)
printf_filtered ("\t%s\t- %s\n",
filename_language_table[i].ext,
language_str (filename_language_table[i].lang));
for (i = 0;
VEC_iterate (filename_language, filename_language_table, i, entry);
++i)
printf_filtered ("\t%s\t- %s\n", entry->ext, language_str (entry->lang));
}
static void
init_filename_language_table (void)
{
if (fl_table_size == 0) /* Protect against repetition. */
/* Protect against repetition. */
if (VEC_empty (filename_language, filename_language_table))
{
fl_table_size = 20;
fl_table_next = 0;
filename_language_table = XNEWVEC (filename_language, fl_table_size);
add_filename_language (".c", language_c);
add_filename_language (".d", language_d);
add_filename_language (".C", language_cplus);
@ -2876,9 +2874,15 @@ deduce_language_from_filename (const char *filename)
if (filename != NULL)
if ((cp = strrchr (filename, '.')) != NULL)
for (i = 0; i < fl_table_next; i++)
if (strcmp (cp, filename_language_table[i].ext) == 0)
return filename_language_table[i].lang;
{
filename_language *entry;
for (i = 0;
VEC_iterate (filename_language, filename_language_table, i, entry);
++i)
if (strcmp (cp, entry->ext) == 0)
return entry->lang;
}
return language_unknown;
}