diff options
Diffstat (limited to 'gdb/valops.c')
-rw-r--r-- | gdb/valops.c | 101 |
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; |