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-rw-r--r--gdb/valops.c101
1 files changed, 68 insertions, 33 deletions
diff --git a/gdb/valops.c b/gdb/valops.c
index 65706c5..7979db9 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -63,13 +63,15 @@ static struct value *search_struct_method (const char *, struct value **,
static int find_oload_champ_namespace (struct type **, int,
const char *, const char *,
struct symbol ***,
- struct badness_vector **);
+ struct badness_vector **,
+ const int no_adl);
static
int find_oload_champ_namespace_loop (struct type **, int,
const char *, const char *,
int, struct symbol ***,
- struct badness_vector **, int *);
+ struct badness_vector **, int *,
+ const int no_adl);
static int find_oload_champ (struct type **, int, int, int,
struct fn_field *, struct symbol **,
@@ -2306,6 +2308,10 @@ value_find_oload_method_list (struct value **argp, const char *method,
If a method is being searched for, and it is a static method,
then STATICP will point to a non-zero value.
+ If NO_ADL argument dependent lookup is disabled. This is used to prevent
+ ADL overload candidates when performing overload resolution for a fully
+ qualified name.
+
Note: This function does *not* check the value of
overload_resolution. Caller must check it to see whether overload
resolution is permitted.
@@ -2316,7 +2322,7 @@ find_overload_match (struct type **arg_types, int nargs,
const char *name, int method, int lax,
struct value **objp, struct symbol *fsym,
struct value **valp, struct symbol **symp,
- int *staticp)
+ int *staticp, const int no_adl)
{
struct value *obj = (objp ? *objp : NULL);
/* Index of best overloaded function. */
@@ -2332,10 +2338,11 @@ find_overload_match (struct type **arg_types, int nargs,
int num_fns = 0;
struct type *basetype = NULL;
int boffset;
- struct cleanup *old_cleanups = NULL;
+
+ struct cleanup *all_cleanups = make_cleanup (null_cleanup, NULL);
const char *obj_type_name = NULL;
- char *func_name = NULL;
+ const char *func_name = NULL;
enum oload_classification match_quality;
/* Get the list of overloaded methods or functions. */
@@ -2380,24 +2387,39 @@ find_overload_match (struct type **arg_types, int nargs,
}
else
{
- const char *qualified_name = SYMBOL_NATURAL_NAME (fsym);
+ const char *qualified_name = NULL;
- /* If we have a function with a C++ name, try to extract just
- the function part. Do not try this for non-functions (e.g.
- function pointers). */
- if (qualified_name
- && TYPE_CODE (check_typedef (SYMBOL_TYPE (fsym))) == TYPE_CODE_FUNC)
+ if (fsym)
+ {
+ qualified_name = SYMBOL_NATURAL_NAME (fsym);
+
+ /* If we have a function with a C++ name, try to extract just
+ the function part. Do not try this for non-functions (e.g.
+ function pointers). */
+ if (qualified_name
+ && TYPE_CODE (check_typedef (SYMBOL_TYPE (fsym))) == TYPE_CODE_FUNC)
+ {
+ char *temp;
+
+ temp = cp_func_name (qualified_name);
+
+ /* If cp_func_name did not remove anything, the name of the
+ symbol did not include scope or argument types - it was
+ probably a C-style function. */
+ if (temp)
+ {
+ make_cleanup (xfree, temp);
+ if (strcmp (temp, qualified_name) == 0)
+ func_name = NULL;
+ else
+ func_name = temp;
+ }
+ }
+ }
+ else
{
- func_name = cp_func_name (qualified_name);
-
- /* If cp_func_name did not remove anything, the name of the
- symbol did not include scope or argument types - it was
- probably a C-style function. */
- if (func_name && strcmp (func_name, qualified_name) == 0)
- {
- xfree (func_name);
- func_name = NULL;
- }
+ func_name = name;
+ qualified_name = name;
}
/* If there was no C++ name, this must be a C-style function or
@@ -2409,7 +2431,6 @@ find_overload_match (struct type **arg_types, int nargs,
return 0;
}
- old_cleanups = make_cleanup (xfree, func_name);
make_cleanup (xfree, oload_syms);
make_cleanup (xfree, oload_champ_bv);
@@ -2417,11 +2438,15 @@ find_overload_match (struct type **arg_types, int nargs,
func_name,
qualified_name,
&oload_syms,
- &oload_champ_bv);
+ &oload_champ_bv,
+ no_adl);
}
- /* Check how bad the best match is. */
+ /* Did we find a match ? */
+ if (oload_champ == -1)
+ error ("No symbol \"%s\" in current context.", name);
+ /* Check how bad the best match is. */
match_quality =
classify_oload_match (oload_champ_bv, nargs,
oload_method_static (method, fns_ptr,
@@ -2478,8 +2503,8 @@ find_overload_match (struct type **arg_types, int nargs,
}
*objp = temp;
}
- if (old_cleanups != NULL)
- do_cleanups (old_cleanups);
+
+ do_cleanups (all_cleanups);
switch (match_quality)
{
@@ -2497,14 +2522,16 @@ find_overload_match (struct type **arg_types, int nargs,
runs out of namespaces. It stores the overloaded functions in
*OLOAD_SYMS, and the badness vector in *OLOAD_CHAMP_BV. The
calling function is responsible for freeing *OLOAD_SYMS and
- *OLOAD_CHAMP_BV. */
+ *OLOAD_CHAMP_BV. If NO_ADL, argument dependent lookup is not
+ performned. */
static int
find_oload_champ_namespace (struct type **arg_types, int nargs,
const char *func_name,
const char *qualified_name,
struct symbol ***oload_syms,
- struct badness_vector **oload_champ_bv)
+ struct badness_vector **oload_champ_bv,
+ const int no_adl)
{
int oload_champ;
@@ -2512,7 +2539,8 @@ find_oload_champ_namespace (struct type **arg_types, int nargs,
func_name,
qualified_name, 0,
oload_syms, oload_champ_bv,
- &oload_champ);
+ &oload_champ,
+ no_adl);
return oload_champ;
}
@@ -2520,7 +2548,8 @@ find_oload_champ_namespace (struct type **arg_types, int nargs,
/* Helper function for find_oload_champ_namespace; NAMESPACE_LEN is
how deep we've looked for namespaces, and the champ is stored in
OLOAD_CHAMP. The return value is 1 if the champ is a good one, 0
- if it isn't.
+ if it isn't. Other arguments are the same as in
+ find_oload_champ_namespace
It is the caller's responsibility to free *OLOAD_SYMS and
*OLOAD_CHAMP_BV. */
@@ -2532,7 +2561,8 @@ find_oload_champ_namespace_loop (struct type **arg_types, int nargs,
int namespace_len,
struct symbol ***oload_syms,
struct badness_vector **oload_champ_bv,
- int *oload_champ)
+ int *oload_champ,
+ const int no_adl)
{
int next_namespace_len = namespace_len;
int searched_deeper = 0;
@@ -2566,7 +2596,7 @@ find_oload_champ_namespace_loop (struct type **arg_types, int nargs,
func_name, qualified_name,
next_namespace_len,
oload_syms, oload_champ_bv,
- oload_champ))
+ oload_champ, no_adl))
{
return 1;
}
@@ -2587,6 +2617,12 @@ find_oload_champ_namespace_loop (struct type **arg_types, int nargs,
new_namespace[namespace_len] = '\0';
new_oload_syms = make_symbol_overload_list (func_name,
new_namespace);
+
+ /* If we have reached the deepest level perform argument
+ determined lookup. */
+ if (!searched_deeper && !no_adl)
+ make_symbol_overload_list_adl (arg_types, nargs, func_name);
+
while (new_oload_syms[num_fns])
++num_fns;
@@ -2619,7 +2655,6 @@ find_oload_champ_namespace_loop (struct type **arg_types, int nargs,
}
else
{
- gdb_assert (new_oload_champ != -1);
*oload_syms = new_oload_syms;
*oload_champ = new_oload_champ;
*oload_champ_bv = new_oload_champ_bv;