#include "cp-support.h"
#include "target-float.h"
#include "tracepoint.h"
-#include "observer.h"
+#include "observable.h"
#include "objfiles.h"
#include "extension.h"
#include "byte-vector.h"
const int no_adl);
static int find_oload_champ (struct value **, int, int,
- struct fn_field *, VEC (xmethod_worker_ptr) *,
+ struct fn_field *,
+ const std::vector<xmethod_worker_up> *,
struct symbol **, struct badness_vector **);
static int oload_method_static_p (struct fn_field *, int);
static void find_method_list (struct value **, const char *,
LONGEST, struct type *, struct fn_field **, int *,
- VEC (xmethod_worker_ptr) **,
+ std::vector<xmethod_worker_up> *,
struct type **, LONGEST *);
#if 0
}
}
- observer_notify_register_changed (frame, value_reg);
+ gdb::observers::register_changed.notify (frame, value_reg);
break;
}
case lval_register:
case lval_computed:
- observer_notify_target_changed (¤t_target);
+ gdb::observers::target_changed.notify (¤t_target);
/* Having destroyed the frame cache, restore the selected
frame. */
return NULL;
}
+/* See value.h. */
+
+int
+value_union_variant (struct type *union_type, const gdb_byte *contents)
+{
+ gdb_assert (TYPE_CODE (union_type) == TYPE_CODE_UNION
+ && TYPE_FLAG_DISCRIMINATED_UNION (union_type));
+
+ struct dynamic_prop *discriminant_prop
+ = get_dyn_prop (DYN_PROP_DISCRIMINATED, union_type);
+ gdb_assert (discriminant_prop != nullptr);
+
+ struct discriminant_info *info
+ = (struct discriminant_info *) discriminant_prop->data.baton;
+ gdb_assert (info != nullptr);
+
+ /* If this is a univariant union, just return the sole field. */
+ if (TYPE_NFIELDS (union_type) == 1)
+ return 0;
+ /* This should only happen for univariants, which we already dealt
+ with. */
+ gdb_assert (info->discriminant_index != -1);
+
+ /* Compute the discriminant. Note that unpack_field_as_long handles
+ sign extension when necessary, as does the DWARF reader -- so
+ signed discriminants will be handled correctly despite the use of
+ an unsigned type here. */
+ ULONGEST discriminant = unpack_field_as_long (union_type, contents,
+ info->discriminant_index);
+
+ for (int i = 0; i < TYPE_NFIELDS (union_type); ++i)
+ {
+ if (i != info->default_index
+ && i != info->discriminant_index
+ && discriminant == info->discriminants[i])
+ return i;
+ }
+
+ if (info->default_index == -1)
+ error (_("Could not find variant corresponding to discriminant %s"),
+ pulongest (discriminant));
+ return info->default_index;
+}
+
/* Search through the methods of an object (and its bases) to find a
specified method. Return the pointer to the fn_field list FN_LIST of
overloaded instances defined in the source language. If available
find_method_list (struct value **argp, const char *method,
LONGEST offset, struct type *type,
struct fn_field **fn_list, int *num_fns,
- VEC (xmethod_worker_ptr) **xm_worker_vec,
+ std::vector<xmethod_worker_up> *xm_worker_vec,
struct type **basetype, LONGEST *boffset)
{
int i;
struct fn_field *f = NULL;
- VEC (xmethod_worker_ptr) *worker_vec = NULL, *new_vec = NULL;
gdb_assert (fn_list != NULL && xm_worker_vec != NULL);
type = check_typedef (type);
and hence there is no point restricting them with something like method
hiding. Moreover, if hiding is done for xmethods as well, then we will
have to provide a mechanism to un-hide (like the 'using' construct). */
- worker_vec = get_matching_xmethod_workers (type, method);
- new_vec = VEC_merge (xmethod_worker_ptr, *xm_worker_vec, worker_vec);
-
- VEC_free (xmethod_worker_ptr, *xm_worker_vec);
- VEC_free (xmethod_worker_ptr, worker_vec);
- *xm_worker_vec = new_vec;
+ get_matching_xmethod_workers (type, method, xm_worker_vec);
/* If source methods are not found in current class, look for them in the
base classes. We also have to go through the base classes to gather
value_find_oload_method_list (struct value **argp, const char *method,
LONGEST offset, struct fn_field **fn_list,
int *num_fns,
- VEC (xmethod_worker_ptr) **xm_worker_vec,
+ std::vector<xmethod_worker_up> *xm_worker_vec,
struct type **basetype, LONGEST *boffset)
{
struct type *t;
/* Clear the lists. */
*fn_list = NULL;
*num_fns = 0;
- *xm_worker_vec = NULL;
+ xm_worker_vec->clear ();
find_method_list (argp, method, 0, t, fn_list, num_fns, xm_worker_vec,
basetype, boffset);
struct fn_field *fns_ptr = NULL;
/* For non-methods, the list of overloaded function symbols. */
struct symbol **oload_syms = NULL;
- /* For xmethods, the VEC of xmethod workers. */
- VEC (xmethod_worker_ptr) *xm_worker_vec = NULL;
+ /* For xmethods, the vector of xmethod workers. */
+ std::vector<xmethod_worker_up> xm_worker_vec;
/* Number of overloaded instances being considered. */
int num_fns = 0;
struct type *basetype = NULL;
value_find_oload_method_list (&temp, name, 0, &fns_ptr, &num_fns,
&xm_worker_vec, &basetype, &boffset);
/* If this is a method only search, and no methods were found
- the search has faild. */
- if (method == METHOD && (!fns_ptr || !num_fns) && !xm_worker_vec)
+ the search has failed. */
+ if (method == METHOD && (!fns_ptr || !num_fns) && xm_worker_vec.empty ())
error (_("Couldn't find method %s%s%s"),
obj_type_name,
(obj_type_name && *obj_type_name) ? "::" : "",
make_cleanup (xfree, src_method_badness);
}
- if (VEC_length (xmethod_worker_ptr, xm_worker_vec) > 0)
+ if (!xm_worker_vec.empty ())
{
ext_method_oload_champ = find_oload_champ (args, nargs,
- 0, NULL, xm_worker_vec,
+ 0, NULL, &xm_worker_vec,
NULL, &ext_method_badness);
ext_method_match_quality = classify_oload_match (ext_method_badness,
nargs, 0);
make_cleanup (xfree, ext_method_badness);
- make_cleanup (free_xmethod_worker_vec, xm_worker_vec);
}
if (src_method_oload_champ >= 0 && ext_method_oload_champ >= 0)
basetype, boffset);
}
else
- {
- *valp = value_of_xmethod (clone_xmethod_worker
- (VEC_index (xmethod_worker_ptr, xm_worker_vec,
- ext_method_oload_champ)));
- }
+ *valp = value_from_xmethod
+ (std::move (xm_worker_vec[ext_method_oload_champ]));
}
else
*symp = oload_syms[func_oload_champ];
static int
find_oload_champ (struct value **args, int nargs,
int num_fns, struct fn_field *fns_ptr,
- VEC (xmethod_worker_ptr) *xm_worker_vec,
+ const std::vector<xmethod_worker_up> *xm_worker_vec,
struct symbol **oload_syms,
struct badness_vector **oload_champ_bv)
{
int ix;
- int fn_count;
/* A measure of how good an overloaded instance is. */
struct badness_vector *bv;
/* Index of best overloaded function. */
*oload_champ_bv = NULL;
- fn_count = (xm_worker_vec != NULL
- ? VEC_length (xmethod_worker_ptr, xm_worker_vec)
- : num_fns);
+ int fn_count = xm_worker_vec != NULL ? xm_worker_vec->size () : num_fns;
+
/* Consider each candidate in turn. */
for (ix = 0; ix < fn_count; ix++)
{
int static_offset = 0;
int nparms;
struct type **parm_types;
- struct xmethod_worker *worker = NULL;
if (xm_worker_vec != NULL)
{
- worker = VEC_index (xmethod_worker_ptr, xm_worker_vec, ix);
- parm_types = get_xmethod_arg_types (worker, &nparms);
+ xmethod_worker *worker = (*xm_worker_vec)[ix].get ();
+ parm_types = worker->get_arg_types (&nparms);
}
else
{
projects / deliverable / binutils-gdb.git / blobdiff