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2002-11-11 David Carlton <carlton@math.stanford.edu>

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* linespec.c (decode_line_1): Move chunks of code to separate
	functions.
	(initialize_defaults): New function.
	(decode_indirect): New function.
This commit is contained in:
David Carlton 2002-11-11 21:18:55 +00:00
parent 9e8d33e774
commit 44fe14ab8c
2 changed files with 68 additions and 33 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2002-11-11 David Carlton <carlton@math.stanford.edu>
* linespec.c (decode_line_1): Move chunks of code to separate
functions.
(initialize_defaults): New function.
(decode_indirect): New function.
2002-11-11 Andrew Cagney <ac131313@redhat.com>
* blockframe.c (sigtramp_saved_pc): Fix tipo. void_func_ptr

94
gdb/linespec.c
View File

@ -39,6 +39,11 @@ extern char *operator_chars (char *, char **);
/* Prototypes for local functions */
static void initialize_defaults (struct symtab **default_symtab,
int *default_line);
static struct symtabs_and_lines decode_indirect (char **argptr);
static void cplusplus_error (const char *name, const char *fmt, ...) ATTR_FORMAT (printf, 2, 3);
static int total_number_of_methods (struct type *type);
@ -533,7 +538,6 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
/* The symtab that SYM was found in. */
struct symtab *sym_symtab;
register CORE_ADDR pc;
register struct minimal_symbol *msymbol;
char *copy;
struct symbol *sym_class;
@ -552,35 +556,12 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
/* Defaults have defaults. */
if (default_symtab == 0)
{
/* Use whatever we have for the default source line. We don't use
get_current_or_default_symtab_and_line as it can recurse and call
us back! */
struct symtab_and_line cursal =
get_current_source_symtab_and_line ();
default_symtab = cursal.symtab;
default_line = cursal.line;
}
initialize_defaults (&default_symtab, &default_line);
/* See if arg is *PC */
if (**argptr == '*')
{
(*argptr)++;
pc = parse_and_eval_address_1 (argptr);
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
values.nelts = 1;
values.sals[0] = find_pc_line (pc, 0);
values.sals[0].pc = pc;
values.sals[0].section = find_pc_overlay (pc);
return values;
}
return decode_indirect (argptr);
/* 'has_if' is for the syntax:
* (gdb) break foo if (a==b)
@ -1030,14 +1011,9 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
if (s == 0 && default_symtab == 0)
{
struct symtab_and_line cursal;
/* Make sure we have at least a default source file. */
set_default_source_symtab_and_line ();
cursal = get_current_source_symtab_and_line ();
default_symtab = cursal.symtab;
default_line = cursal.line;
initialize_defaults (&default_symtab, &default_line);
}
if (**argptr == '+')
@ -1211,6 +1187,58 @@ decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
return values; /* for lint */
}
/* Now, still more helper functions. */
/* NOTE: carlton/2002-11-07: Some of these have non-obvious side
effects. In particular, if a function is passed ARGPTR as an
argument, it modifies what ARGPTR points to. (Typically, it
advances *ARGPTR past whatever substring it has just looked
at.) */
/* First, some functions to initialize stuff at the beggining of the
function. */
static void
initialize_defaults (struct symtab **default_symtab, int *default_line)
{
if (*default_symtab == 0)
{
/* Use whatever we have for the default source line. We don't use
get_current_or_default_symtab_and_line as it can recurse and call
us back! */
struct symtab_and_line cursal =
get_current_source_symtab_and_line ();
*default_symtab = cursal.symtab;
*default_line = cursal.line;
}
}
/* Decode arg of the form *PC. */
static struct symtabs_and_lines
decode_indirect (char **argptr)
{
struct symtabs_and_lines values;
CORE_ADDR pc;
(*argptr)++;
pc = parse_and_eval_address_1 (argptr);
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
values.nelts = 1;
values.sals[0] = find_pc_line (pc, 0);
values.sals[0].pc = pc;
values.sals[0].section = find_pc_overlay (pc);
return values;
}