/* Perform non-arithmetic operations on values, for GDB.
- Copyright (C) 1986-2018 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "observable.h"
#include "objfiles.h"
#include "extension.h"
-#include "byte-vector.h"
+#include "gdbtypes.h"
+#include "gdbsupport/byte-vector.h"
-extern unsigned int overload_debug;
/* Local functions. */
static int typecmp (int staticp, int varargs, int nargs,
struct value **,
LONGEST, int *, struct type *);
-static int find_oload_champ_namespace (struct value **, int,
+static int find_oload_champ_namespace (gdb::array_view<value *> args,
const char *, const char *,
- struct symbol ***,
- struct badness_vector **,
+ std::vector<symbol *> *oload_syms,
+ badness_vector *,
const int no_adl);
-static
-int find_oload_champ_namespace_loop (struct value **, int,
- const char *, const char *,
- int, struct symbol ***,
- struct badness_vector **, int *,
- const int no_adl);
+static int find_oload_champ_namespace_loop (gdb::array_view<value *> args,
+ const char *, const char *,
+ int, std::vector<symbol *> *oload_syms,
+ badness_vector *, int *,
+ const int no_adl);
-static int find_oload_champ (struct value **, int, int,
- struct fn_field *,
- const std::vector<xmethod_worker_up> *,
- struct symbol **, struct badness_vector **);
+static int find_oload_champ (gdb::array_view<value *> args,
+ size_t num_fns,
+ fn_field *methods,
+ xmethod_worker_up *xmethods,
+ symbol **functions,
+ badness_vector *oload_champ_bv);
static int oload_method_static_p (struct fn_field *, int);
enum oload_classification { STANDARD, NON_STANDARD, INCOMPATIBLE };
-static enum
-oload_classification classify_oload_match (struct badness_vector *,
- int, int);
+static enum oload_classification classify_oload_match
+ (const badness_vector &, int, int);
static struct value *value_struct_elt_for_reference (struct type *,
int, struct type *,
static struct value *cast_into_complex (struct type *, struct value *);
-static void find_method_list (struct value **, const char *,
- LONGEST, struct type *, struct fn_field **, int *,
- std::vector<xmethod_worker_up> *,
- struct type **, LONGEST *);
-
-int overload_resolution = 0;
+bool overload_resolution = false;
static void
show_overload_resolution (struct ui_file *file, int from_tty,
struct cmd_list_element *c,
if (msymbol.minsym != NULL)
{
struct objfile *objfile = msymbol.objfile;
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ struct gdbarch *gdbarch = objfile->arch ();
struct type *type;
CORE_ADDR maddr;
{
struct objfile *objf;
struct value *val = find_function_in_inferior ("malloc", &objf);
- struct gdbarch *gdbarch = get_objfile_arch (objf);
+ struct gdbarch *gdbarch = objf->arch ();
struct value *blocklen;
blocklen = value_from_longest (builtin_type (gdbarch)->builtin_int, len);
- val = call_function_by_hand (val, NULL, 1, &blocklen);
+ val = call_function_by_hand (val, NULL, blocklen);
if (value_logical_not (val))
{
if (!target_has_execution)
t2 = check_typedef (value_type (v2));
/* Check preconditions. */
- gdb_assert ((TYPE_CODE (t1) == TYPE_CODE_STRUCT
- || TYPE_CODE (t1) == TYPE_CODE_UNION)
+ gdb_assert ((t1->code () == TYPE_CODE_STRUCT
+ || t1->code () == TYPE_CODE_UNION)
&& !!"Precondition is that type is of STRUCT or UNION kind.");
- gdb_assert ((TYPE_CODE (t2) == TYPE_CODE_STRUCT
- || TYPE_CODE (t2) == TYPE_CODE_UNION)
+ gdb_assert ((t2->code () == TYPE_CODE_STRUCT
+ || t2->code () == TYPE_CODE_UNION)
&& !!"Precondition is that value is of STRUCT or UNION kind");
- if (TYPE_NAME (t1) != NULL
- && TYPE_NAME (t2) != NULL
- && !strcmp (TYPE_NAME (t1), TYPE_NAME (t2)))
+ if (t1->name () != NULL
+ && t2->name () != NULL
+ && !strcmp (t1->name (), t2->name ()))
return NULL;
/* Upcasting: look in the type of the source to see if it contains the
type of the target as a superclass. If so, we'll need to
offset the pointer rather than just change its type. */
- if (TYPE_NAME (t1) != NULL)
+ if (t1->name () != NULL)
{
- v = search_struct_field (TYPE_NAME (t1),
+ v = search_struct_field (t1->name (),
v2, t2, 1);
if (v)
return v;
/* Downcasting: look in the type of the target to see if it contains the
type of the source as a superclass. If so, we'll need to
offset the pointer rather than just change its type. */
- if (TYPE_NAME (t2) != NULL)
+ if (t2->name () != NULL)
{
/* Try downcasting using the run-time type of the value. */
int full, using_enc;
/* We might be trying to cast to the outermost enclosing
type, in which case search_struct_field won't work. */
- if (TYPE_NAME (real_type) != NULL
- && !strcmp (TYPE_NAME (real_type), TYPE_NAME (t1)))
+ if (real_type->name () != NULL
+ && !strcmp (real_type->name (), t1->name ()))
return v;
- v = search_struct_field (TYPE_NAME (t2), v, real_type, 1);
+ v = search_struct_field (t2->name (), v, real_type, 1);
if (v)
return v;
}
/* Try downcasting using information from the destination type
T2. This wouldn't work properly for classes with virtual
bases, but those were handled above. */
- v = search_struct_field (TYPE_NAME (t2),
+ v = search_struct_field (t2->name (),
value_zero (t1, not_lval), t1, 1);
if (v)
{
struct type *t1 = check_typedef (TYPE_TARGET_TYPE (type1));
struct type *t2 = check_typedef (TYPE_TARGET_TYPE (type2));
- if (TYPE_CODE (t1) == TYPE_CODE_STRUCT
- && TYPE_CODE (t2) == TYPE_CODE_STRUCT
+ if (t1->code () == TYPE_CODE_STRUCT
+ && t2->code () == TYPE_CODE_STRUCT
&& (subclass_check || !value_logical_not (arg2)))
{
struct value *v2;
v2 = coerce_ref (arg2);
else
v2 = value_ind (arg2);
- gdb_assert (TYPE_CODE (check_typedef (value_type (v2)))
+ gdb_assert (check_typedef (value_type (v2))->code ()
== TYPE_CODE_STRUCT && !!"Why did coercion fail?");
v2 = value_cast_structs (t1, v2);
/* At this point we have what we can have, un-dereference if needed. */
struct type *dereftype = check_typedef (TYPE_TARGET_TYPE (t1));
struct value *val = value_cast (dereftype, arg2);
- return value_ref (val, TYPE_CODE (t1));
+ return value_ref (val, t1->code ());
}
if (TYPE_IS_REFERENCE (check_typedef (value_type (arg2))))
struct type *to_type = type;
type = check_typedef (type);
- code1 = TYPE_CODE (type);
+ code1 = type->code ();
arg2 = coerce_ref (arg2);
type2 = check_typedef (value_type (arg2));
"divide object size in cast"));
/* FIXME-type-allocation: need a way to free this type when
we are done with it. */
- range_type = create_static_range_type ((struct type *) NULL,
+ range_type = create_static_range_type (NULL,
TYPE_TARGET_TYPE (range_type),
low_bound,
new_length + low_bound - 1);
deprecated_set_value_type (arg2,
- create_array_type ((struct type *) NULL,
+ create_array_type (NULL,
element_type,
range_type));
return arg2;
}
if (current_language->c_style_arrays
- && TYPE_CODE (type2) == TYPE_CODE_ARRAY
+ && type2->code () == TYPE_CODE_ARRAY
&& !TYPE_VECTOR (type2))
arg2 = value_coerce_array (arg2);
- if (TYPE_CODE (type2) == TYPE_CODE_FUNC)
+ if (type2->code () == TYPE_CODE_FUNC)
arg2 = value_coerce_function (arg2);
type2 = check_typedef (value_type (arg2));
- code2 = TYPE_CODE (type2);
+ code2 = type2->code ();
if (code1 == TYPE_CODE_COMPLEX)
return cast_into_complex (to_type, arg2);
if ((code1 == TYPE_CODE_STRUCT || code1 == TYPE_CODE_UNION)
&& (code2 == TYPE_CODE_STRUCT || code2 == TYPE_CODE_UNION)
- && TYPE_NAME (type) != 0)
+ && type->name () != 0)
{
struct value *v = value_cast_structs (to_type, arg2);
if (code2 == TYPE_CODE_PTR)
longest = extract_unsigned_integer
(value_contents (arg2), TYPE_LENGTH (type2),
- gdbarch_byte_order (get_type_arch (type2)));
+ type_byte_order (type2));
else
longest = value_as_long (arg2);
return value_from_longest (to_type, convert_to_boolean ?
return value_at_lazy (to_type, value_address (arg2));
else
{
+ if (current_language->la_language == language_ada)
+ error (_("Invalid type conversion."));
error (_("Invalid cast."));
- return 0;
}
}
arg_type = value_type (arg);
- dest_code = TYPE_CODE (real_type);
- arg_code = TYPE_CODE (arg_type);
+ dest_code = real_type->code ();
+ arg_code = arg_type->code ();
/* We can convert pointer types, or any pointer type to int, or int
type to pointer. */
if (is_ref)
result = value_cast (type, value_ref (value_ind (result),
- TYPE_CODE (type)));
+ type->code ()));
return result;
}
CORE_ADDR addr;
int is_ref = TYPE_IS_REFERENCE (resolved_type);
- if (TYPE_CODE (resolved_type) != TYPE_CODE_PTR
+ if (resolved_type->code () != TYPE_CODE_PTR
&& !TYPE_IS_REFERENCE (resolved_type))
error (_("Argument to dynamic_cast must be a pointer or reference type"));
- if (TYPE_CODE (TYPE_TARGET_TYPE (resolved_type)) != TYPE_CODE_VOID
- && TYPE_CODE (TYPE_TARGET_TYPE (resolved_type)) != TYPE_CODE_STRUCT)
+ if (TYPE_TARGET_TYPE (resolved_type)->code () != TYPE_CODE_VOID
+ && TYPE_TARGET_TYPE (resolved_type)->code () != TYPE_CODE_STRUCT)
error (_("Argument to dynamic_cast must be pointer to class or `void *'"));
class_type = check_typedef (TYPE_TARGET_TYPE (resolved_type));
- if (TYPE_CODE (resolved_type) == TYPE_CODE_PTR)
+ if (resolved_type->code () == TYPE_CODE_PTR)
{
- if (TYPE_CODE (arg_type) != TYPE_CODE_PTR
- && ! (TYPE_CODE (arg_type) == TYPE_CODE_INT
+ if (arg_type->code () != TYPE_CODE_PTR
+ && ! (arg_type->code () == TYPE_CODE_INT
&& value_as_long (arg) == 0))
error (_("Argument to dynamic_cast does not have pointer type"));
- if (TYPE_CODE (arg_type) == TYPE_CODE_PTR)
+ if (arg_type->code () == TYPE_CODE_PTR)
{
arg_type = check_typedef (TYPE_TARGET_TYPE (arg_type));
- if (TYPE_CODE (arg_type) != TYPE_CODE_STRUCT)
+ if (arg_type->code () != TYPE_CODE_STRUCT)
error (_("Argument to dynamic_cast does "
"not have pointer to class type"));
}
}
else
{
- if (TYPE_CODE (arg_type) != TYPE_CODE_STRUCT)
+ if (arg_type->code () != TYPE_CODE_STRUCT)
error (_("Argument to dynamic_cast does not have class type"));
}
/* dynamic_cast<void *> means to return a pointer to the
most-derived object. */
- if (TYPE_CODE (resolved_type) == TYPE_CODE_PTR
- && TYPE_CODE (TYPE_TARGET_TYPE (resolved_type)) == TYPE_CODE_VOID)
+ if (resolved_type->code () == TYPE_CODE_PTR
+ && TYPE_TARGET_TYPE (resolved_type)->code () == TYPE_CODE_VOID)
return value_at_lazy (type, addr);
tem = value_at (type, addr);
&result) == 1)
return value_cast (type,
is_ref
- ? value_ref (result, TYPE_CODE (resolved_type))
+ ? value_ref (result, resolved_type->code ())
: value_addr (result));
}
rtti_type, &result) == 1)
return value_cast (type,
is_ref
- ? value_ref (result, TYPE_CODE (resolved_type))
+ ? value_ref (result, resolved_type->code ())
: value_addr (result));
- if (TYPE_CODE (resolved_type) == TYPE_CODE_PTR)
+ if (resolved_type->code () == TYPE_CODE_PTR)
return value_zero (type, not_lval);
error (_("dynamic_cast failed"));
{
val = value_from_longest (type, (LONGEST) 1);
}
- else if (TYPE_CODE (type1) == TYPE_CODE_ARRAY && TYPE_VECTOR (type1))
+ else if (type1->code () == TYPE_CODE_ARRAY && TYPE_VECTOR (type1))
{
struct type *eltype = check_typedef (TYPE_TARGET_TYPE (type1));
int i;
{
struct value *val;
- if (TYPE_CODE (check_typedef (type)) == TYPE_CODE_VOID)
+ if (check_typedef (type)->code () == TYPE_CODE_VOID)
error (_("Attempt to dereference a generic pointer."));
val = value_from_contents_and_address (type, NULL, addr);
/* Return a value with type TYPE located at ADDR.
Call value_at only if the data needs to be fetched immediately;
- if we can be 'lazy' and defer the fetch, perhaps indefinately, call
+ if we can be 'lazy' and defer the fetch, perhaps indefinitely, call
value_at_lazy instead. value_at_lazy simply records the address of
the data and sets the lazy-evaluation-required flag. The lazy flag
is tested in the value_contents macro, which is used if and when
in the case of pointer types. For object types, the enclosing type
and embedded offset must *not* be copied: the target object refered
to by TOVAL retains its original dynamic type after assignment. */
- if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ if (type->code () == TYPE_CODE_PTR)
{
set_value_enclosing_type (val, value_enclosing_type (fromval));
set_value_pointed_to_offset (val, value_pointed_to_offset (fromval));
type = value_type (val);
if ((VALUE_LVAL (val) == lval_memory && value_lazy (val))
- || TYPE_CODE (type) == TYPE_CODE_FUNC)
+ || type->code () == TYPE_CODE_FUNC)
{
CORE_ADDR addr = value_address (val);
error (_("Address requested for identifier "
"\"%s\" which is in register $%s"),
- SYMBOL_PRINT_NAME (var), regname);
+ var->print_name (), regname);
break;
}
default:
error (_("Can't take address of \"%s\" which isn't an lvalue."),
- SYMBOL_PRINT_NAME (var));
+ var->print_name ());
break;
}
return val;
}
-/* Return one if VAL does not live in target memory, but should in order
- to operate on it. Otherwise return zero. */
+/* See value.h. */
-int
+bool
value_must_coerce_to_target (struct value *val)
{
struct type *valtype;
if (VALUE_LVAL (val) != not_lval
&& VALUE_LVAL (val) != lval_internalvar
&& VALUE_LVAL (val) != lval_xcallable)
- return 0;
+ return false;
valtype = check_typedef (value_type (val));
- switch (TYPE_CODE (valtype))
+ switch (valtype->code ())
{
case TYPE_CODE_ARRAY:
return TYPE_VECTOR (valtype) ? 0 : 1;
case TYPE_CODE_STRING:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
return arg2;
}
}
- if (TYPE_CODE (type) == TYPE_CODE_FUNC)
+ if (type->code () == TYPE_CODE_FUNC)
return value_coerce_function (arg1);
/* If this is an array that has not yet been pushed to the target,
gdb_assert (refcode == TYPE_CODE_REF || refcode == TYPE_CODE_RVALUE_REF);
- if ((TYPE_CODE (type) == TYPE_CODE_REF
- || TYPE_CODE (type) == TYPE_CODE_RVALUE_REF)
- && TYPE_CODE (type) == refcode)
+ if ((type->code () == TYPE_CODE_REF
+ || type->code () == TYPE_CODE_RVALUE_REF)
+ && type->code () == refcode)
return arg1;
arg2 = value_addr (arg1);
}
}
- if (TYPE_CODE (base_type) == TYPE_CODE_PTR)
+ if (base_type->code () == TYPE_CODE_PTR)
{
struct type *enc_type;
enc_type = check_typedef (value_enclosing_type (arg1));
enc_type = TYPE_TARGET_TYPE (enc_type);
- if (TYPE_CODE (check_typedef (enc_type)) == TYPE_CODE_FUNC
- || TYPE_CODE (check_typedef (enc_type)) == TYPE_CODE_METHOD)
+ if (check_typedef (enc_type)->code () == TYPE_CODE_FUNC
+ || check_typedef (enc_type)->code () == TYPE_CODE_METHOD)
/* For functions, go through find_function_addr, which knows
how to handle function descriptors. */
arg2 = value_at_lazy (enc_type,
t2 ++;
for (i = 0;
- (i < nargs) && TYPE_CODE (t1[i].type) != TYPE_CODE_VOID;
+ (i < nargs) && t1[i].type->code () != TYPE_CODE_VOID;
i++)
{
struct type *tt1, *tt2;
if (TYPE_IS_REFERENCE (tt1)
/* We should be doing hairy argument matching, as below. */
- && (TYPE_CODE (check_typedef (TYPE_TARGET_TYPE (tt1)))
- == TYPE_CODE (tt2)))
+ && (check_typedef (TYPE_TARGET_TYPE (tt1))->code ()
+ == tt2->code ()))
{
- if (TYPE_CODE (tt2) == TYPE_CODE_ARRAY)
+ if (tt2->code () == TYPE_CODE_ARRAY)
t2[i] = value_coerce_array (t2[i]);
else
- t2[i] = value_ref (t2[i], TYPE_CODE (tt1));
+ t2[i] = value_ref (t2[i], tt1->code ());
continue;
}
char *>, and properly access map["hello"], because the
argument to [] will be a reference to a pointer to a char,
and the argument will be a pointer to a char. */
- while (TYPE_IS_REFERENCE (tt1) || TYPE_CODE (tt1) == TYPE_CODE_PTR)
+ while (TYPE_IS_REFERENCE (tt1) || tt1->code () == TYPE_CODE_PTR)
{
- tt1 = check_typedef( TYPE_TARGET_TYPE(tt1) );
+ tt1 = check_typedef ( TYPE_TARGET_TYPE (tt1) );
}
- while (TYPE_CODE(tt2) == TYPE_CODE_ARRAY
- || TYPE_CODE(tt2) == TYPE_CODE_PTR
+ while (tt2->code () == TYPE_CODE_ARRAY
+ || tt2->code () == TYPE_CODE_PTR
|| TYPE_IS_REFERENCE (tt2))
{
- tt2 = check_typedef (TYPE_TARGET_TYPE(tt2));
+ tt2 = check_typedef (TYPE_TARGET_TYPE (tt2));
}
- if (TYPE_CODE (tt1) == TYPE_CODE (tt2))
+ if (tt1->code () == tt2->code ())
continue;
/* Array to pointer is a `trivial conversion' according to the
ARM. */
/* We should be doing much hairier argument matching (see
section 13.2 of the ARM), but as a quick kludge, just check
for the same type code. */
- if (TYPE_CODE (t1[i].type) != TYPE_CODE (value_type (t2[i])))
+ if (t1[i].type->code () != value_type (t2[i])->code ())
return i + 1;
}
if (varargs || t2[i] == NULL)
nbases = TYPE_N_BASECLASSES (type);
if (!looking_for_baseclass)
- for (i = TYPE_NFIELDS (type) - 1; i >= nbases; i--)
+ for (i = type->num_fields () - 1; i >= nbases; i--)
{
const char *t_field_name = TYPE_FIELD_NAME (type, i);
{
struct value *v;
- if (field_is_static (&TYPE_FIELD (type, i)))
+ if (field_is_static (&type->field (i)))
v = value_static_field (type, i);
else
v = value_primitive_field (arg1, offset, i, type);
{
struct type *field_type = TYPE_FIELD_TYPE (type, i);
- if (TYPE_CODE (field_type) == TYPE_CODE_UNION
- || TYPE_CODE (field_type) == TYPE_CODE_STRUCT)
+ if (field_type->code () == TYPE_CODE_UNION
+ || field_type->code () == TYPE_CODE_STRUCT)
{
/* Look for a match through the fields of an anonymous
union, or anonymous struct. C++ provides anonymous
from GDB) implementation of variant records, the
bitpos is zero in an anonymous union field, so we
have to add the offset of the union here. */
- if (TYPE_CODE (field_type) == TYPE_CODE_STRUCT
- || (TYPE_NFIELDS (field_type) > 0
+ if (field_type->code () == TYPE_CODE_STRUCT
+ || (field_type->num_fields () > 0
&& TYPE_FIELD_BITPOS (field_type, 0) == 0))
new_offset += TYPE_FIELD_BITPOS (type, i) / 8;
int i;
struct value *v;
int name_matched = 0;
- char dem_opname[64];
type = check_typedef (type);
for (i = TYPE_NFN_FIELDS (type) - 1; i >= 0; i--)
{
const char *t_field_name = TYPE_FN_FIELDLIST_NAME (type, i);
- /* FIXME! May need to check for ARM demangling here. */
- if (startswith (t_field_name, "__") ||
- startswith (t_field_name, "op") ||
- startswith (t_field_name, "type"))
- {
- if (cplus_demangle_opname (t_field_name, dem_opname, DMGL_ANSI))
- t_field_name = dem_opname;
- else if (cplus_demangle_opname (t_field_name, dem_opname, 0))
- t_field_name = dem_opname;
- }
if (t_field_name && (strcmp_iw (t_field_name, name) == 0))
{
int j = TYPE_FN_FIELDLIST_LENGTH (type, i) - 1;
{
if (!typecmp (TYPE_FN_FIELD_STATIC_P (f, j),
TYPE_VARARGS (TYPE_FN_FIELD_TYPE (f, j)),
- TYPE_NFIELDS (TYPE_FN_FIELD_TYPE (f, j)),
+ TYPE_FN_FIELD_TYPE (f, j)->num_fields (),
TYPE_FN_FIELD_ARGS (f, j), args))
{
if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
/* Follow pointers until we get to a non-pointer. */
- while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
+ while (t->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
{
*argp = value_ind (*argp);
/* Don't coerce fn pointer to fn and then back again! */
- if (TYPE_CODE (check_typedef (value_type (*argp))) != TYPE_CODE_FUNC)
+ if (check_typedef (value_type (*argp))->code () != TYPE_CODE_FUNC)
*argp = coerce_array (*argp);
t = check_typedef (value_type (*argp));
}
- if (TYPE_CODE (t) != TYPE_CODE_STRUCT
- && TYPE_CODE (t) != TYPE_CODE_UNION)
+ if (t->code () != TYPE_CODE_STRUCT
+ && t->code () != TYPE_CODE_UNION)
error (_("Attempt to extract a component of a value that is not a %s."),
err);
t = check_typedef (value_type (*argp));
- while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
+ while (t->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
{
*argp = value_ind (*argp);
- if (TYPE_CODE (check_typedef (value_type (*argp))) != TYPE_CODE_FUNC)
+ if (check_typedef (value_type (*argp))->code () != TYPE_CODE_FUNC)
*argp = coerce_array (*argp);
t = check_typedef (value_type (*argp));
}
- if (TYPE_CODE (t) != TYPE_CODE_STRUCT
- && TYPE_CODE (t) != TYPE_CODE_UNION)
+ if (t->code () != TYPE_CODE_STRUCT
+ && t->code () != TYPE_CODE_UNION)
error (_("Attempt to extract a component of a value that is not a %s."),
err);
- for (i = TYPE_N_BASECLASSES (t); i < TYPE_NFIELDS (t); i++)
+ for (i = TYPE_N_BASECLASSES (t); i < t->num_fields (); i++)
{
- if (!field_is_static (&TYPE_FIELD (t, i))
+ if (!field_is_static (&t->field (i))
&& bitpos == TYPE_FIELD_BITPOS (t, i)
&& types_equal (ftype, TYPE_FIELD_TYPE (t, i)))
return value_primitive_field (*argp, 0, i, t);
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
+ specified method. Return a reference to the fn_field list METHODS of
overloaded instances defined in the source language. If available
and matching, a vector of matching xmethods defined in extension
- languages are also returned in XM_WORKER_VEC
+ languages are also returned in XMETHODS.
Helper function for value_find_oload_list.
ARGP is a pointer to a pointer to a value (the object).
METHOD is a string containing the method name.
OFFSET is the offset within the value.
TYPE is the assumed type of the object.
- FN_LIST is the pointer to matching overloaded instances defined in
- source language. Since this is a recursive function, *FN_LIST
- should be set to NULL when calling this function.
+ METHODS is a pointer to the matching overloaded instances defined
+ in the source language. Since this is a recursive function,
+ *METHODS should be set to NULL when calling this function.
NUM_FNS is the number of overloaded instances. *NUM_FNS should be set to
0 when calling this function.
- XM_WORKER_VEC is the vector of matching xmethod workers. *XM_WORKER_VEC
+ XMETHODS is the vector of matching xmethod workers. *XMETHODS
should also be set to NULL when calling this function.
BASETYPE is set to the actual type of the subobject where the
method is found.
static void
find_method_list (struct value **argp, const char *method,
LONGEST offset, struct type *type,
- struct fn_field **fn_list, int *num_fns,
- std::vector<xmethod_worker_up> *xm_worker_vec,
+ gdb::array_view<fn_field> *methods,
+ std::vector<xmethod_worker_up> *xmethods,
struct type **basetype, LONGEST *boffset)
{
int i;
struct fn_field *f = NULL;
- gdb_assert (fn_list != NULL && xm_worker_vec != NULL);
+ gdb_assert (methods != NULL && xmethods != NULL);
type = check_typedef (type);
/* First check in object itself.
This function is called recursively to search through base classes.
If there is a source method match found at some stage, then we need not
look for source methods in consequent recursive calls. */
- if ((*fn_list) == NULL)
+ if (methods->empty ())
{
for (i = TYPE_NFN_FIELDS (type) - 1; i >= 0; i--)
{
{
int len = TYPE_FN_FIELDLIST_LENGTH (type, i);
f = TYPE_FN_FIELDLIST1 (type, i);
- *fn_list = f;
+ *methods = gdb::make_array_view (f, len);
- *num_fns = len;
*basetype = type;
*boffset = offset;
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). */
- get_matching_xmethod_workers (type, method, xm_worker_vec);
+ get_matching_xmethod_workers (type, method, xmethods);
/* 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
}
find_method_list (argp, method, base_offset + offset,
- TYPE_BASECLASS (type, i), fn_list, num_fns,
- xm_worker_vec, basetype, boffset);
+ TYPE_BASECLASS (type, i), methods,
+ xmethods, basetype, boffset);
}
}
/* Return the list of overloaded methods of a specified name. The methods
could be those GDB finds in the binary, or xmethod. Methods found in
- the binary are returned in FN_LIST, and xmethods are returned in
- XM_WORKER_VEC.
+ the binary are returned in METHODS, and xmethods are returned in
+ XMETHODS.
ARGP is a pointer to a pointer to a value (the object).
METHOD is the method name.
OFFSET is the offset within the value contents.
- FN_LIST is the pointer to matching overloaded instances defined in
- source language.
- NUM_FNS is the number of overloaded instances.
- XM_WORKER_VEC is the vector of matching xmethod workers defined in
+ METHODS is the list of matching overloaded instances defined in
+ the source language.
+ XMETHODS is the vector of matching xmethod workers defined in
extension languages.
BASETYPE is set to the type of the base subobject that defines the
method.
static void
value_find_oload_method_list (struct value **argp, const char *method,
- LONGEST offset, struct fn_field **fn_list,
- int *num_fns,
- std::vector<xmethod_worker_up> *xm_worker_vec,
+ LONGEST offset,
+ gdb::array_view<fn_field> *methods,
+ std::vector<xmethod_worker_up> *xmethods,
struct type **basetype, LONGEST *boffset)
{
struct type *t;
t = check_typedef (value_type (*argp));
/* Code snarfed from value_struct_elt. */
- while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
+ while (t->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
{
*argp = value_ind (*argp);
/* Don't coerce fn pointer to fn and then back again! */
- if (TYPE_CODE (check_typedef (value_type (*argp))) != TYPE_CODE_FUNC)
+ if (check_typedef (value_type (*argp))->code () != TYPE_CODE_FUNC)
*argp = coerce_array (*argp);
t = check_typedef (value_type (*argp));
}
- if (TYPE_CODE (t) != TYPE_CODE_STRUCT
- && TYPE_CODE (t) != TYPE_CODE_UNION)
+ if (t->code () != TYPE_CODE_STRUCT
+ && t->code () != TYPE_CODE_UNION)
error (_("Attempt to extract a component of a "
"value that is not a struct or union"));
- gdb_assert (fn_list != NULL && xm_worker_vec != NULL);
+ gdb_assert (methods != NULL && xmethods != NULL);
/* Clear the lists. */
- *fn_list = NULL;
- *num_fns = 0;
- xm_worker_vec->clear ();
+ *methods = {};
+ xmethods->clear ();
- find_method_list (argp, method, 0, t, fn_list, num_fns, xm_worker_vec,
+ find_method_list (argp, method, 0, t, methods, xmethods,
basetype, boffset);
}
-/* Given an array of arguments (ARGS) (which includes an
- entry for "this" in the case of C++ methods), the number of
- arguments NARGS, the NAME of a function, and whether it's a method or
- not (METHOD), find the best function that matches on the argument types
- according to the overload resolution rules.
+/* Given an array of arguments (ARGS) (which includes an entry for
+ "this" in the case of C++ methods), the NAME of a function, and
+ whether it's a method or not (METHOD), find the best function that
+ matches on the argument types according to the overload resolution
+ rules.
METHOD can be one of three values:
NON_METHOD for non-member functions.
resolution is permitted. */
int
-find_overload_match (struct value **args, int nargs,
+find_overload_match (gdb::array_view<value *> args,
const char *name, enum oload_search_type method,
struct value **objp, struct symbol *fsym,
struct value **valp, struct symbol **symp,
int ext_method_oload_champ = -1;
/* The measure for the current best match. */
- struct badness_vector *method_badness = NULL;
- struct badness_vector *func_badness = NULL;
- struct badness_vector *ext_method_badness = NULL;
- struct badness_vector *src_method_badness = NULL;
+ badness_vector method_badness;
+ badness_vector func_badness;
+ badness_vector ext_method_badness;
+ badness_vector src_method_badness;
struct value *temp = obj;
/* For methods, the list of overloaded methods. */
- struct fn_field *fns_ptr = NULL;
+ gdb::array_view<fn_field> methods;
/* For non-methods, the list of overloaded function symbols. */
- struct symbol **oload_syms = NULL;
+ std::vector<symbol *> functions;
/* 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;
+ std::vector<xmethod_worker_up> xmethods;
struct type *basetype = NULL;
LONGEST boffset;
- struct cleanup *all_cleanups = make_cleanup (null_cleanup, NULL);
-
const char *obj_type_name = NULL;
const char *func_name = NULL;
+ gdb::unique_xmalloc_ptr<char> temp_func;
enum oload_classification match_quality;
enum oload_classification method_match_quality = INCOMPATIBLE;
enum oload_classification src_method_match_quality = INCOMPATIBLE;
/* OBJ may be a pointer value rather than the object itself. */
obj = coerce_ref (obj);
- while (TYPE_CODE (check_typedef (value_type (obj))) == TYPE_CODE_PTR)
+ while (check_typedef (value_type (obj))->code () == TYPE_CODE_PTR)
obj = coerce_ref (value_ind (obj));
- obj_type_name = TYPE_NAME (value_type (obj));
+ obj_type_name = value_type (obj)->name ();
/* First check whether this is a data member, e.g. a pointer to
a function. */
- if (TYPE_CODE (check_typedef (value_type (obj))) == TYPE_CODE_STRUCT)
+ if (check_typedef (value_type (obj))->code () == TYPE_CODE_STRUCT)
{
*valp = search_struct_field (name, obj,
check_typedef (value_type (obj)), 0);
if (*valp)
{
*staticp = 1;
- do_cleanups (all_cleanups);
return 0;
}
}
/* Retrieve the list of methods with the name NAME. */
- value_find_oload_method_list (&temp, name, 0, &fns_ptr, &num_fns,
- &xm_worker_vec, &basetype, &boffset);
+ value_find_oload_method_list (&temp, name, 0, &methods,
+ &xmethods, &basetype, &boffset);
/* If this is a method only search, and no methods were found
the search has failed. */
- if (method == METHOD && (!fns_ptr || !num_fns) && xm_worker_vec.empty ())
+ if (method == METHOD && methods.empty () && xmethods.empty ())
error (_("Couldn't find method %s%s%s"),
obj_type_name,
(obj_type_name && *obj_type_name) ? "::" : "",
/* If we are dealing with stub method types, they should have
been resolved by find_method_list via
value_find_oload_method_list above. */
- if (fns_ptr)
+ if (!methods.empty ())
{
- gdb_assert (TYPE_SELF_TYPE (fns_ptr[0].type) != NULL);
+ gdb_assert (TYPE_SELF_TYPE (methods[0].type) != NULL);
- src_method_oload_champ = find_oload_champ (args, nargs,
- num_fns, fns_ptr, NULL,
- NULL, &src_method_badness);
+ src_method_oload_champ
+ = find_oload_champ (args,
+ methods.size (),
+ methods.data (), NULL, NULL,
+ &src_method_badness);
src_method_match_quality = classify_oload_match
- (src_method_badness, nargs,
- oload_method_static_p (fns_ptr, src_method_oload_champ));
-
- make_cleanup (xfree, src_method_badness);
+ (src_method_badness, args.size (),
+ oload_method_static_p (methods.data (), src_method_oload_champ));
}
- if (!xm_worker_vec.empty ())
+ if (!xmethods.empty ())
{
- ext_method_oload_champ = find_oload_champ (args, nargs,
- 0, NULL, &xm_worker_vec,
- NULL, &ext_method_badness);
+ ext_method_oload_champ
+ = find_oload_champ (args,
+ xmethods.size (),
+ NULL, xmethods.data (), NULL,
+ &ext_method_badness);
ext_method_match_quality = classify_oload_match (ext_method_badness,
- nargs, 0);
- make_cleanup (xfree, ext_method_badness);
+ args.size (), 0);
}
if (src_method_oload_champ >= 0 && ext_method_oload_champ >= 0)
if (fsym)
{
- qualified_name = SYMBOL_NATURAL_NAME (fsym);
+ qualified_name = fsym->natural_name ();
/* 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)
+ && (check_typedef (SYMBOL_TYPE (fsym))->code ()
+ == TYPE_CODE_FUNC))
{
- char *temp_func;
-
temp_func = 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_func)
+ if (temp_func != nullptr)
{
- make_cleanup (xfree, temp_func);
- if (strcmp (temp_func, qualified_name) == 0)
+ if (strcmp (temp_func.get (), qualified_name) == 0)
func_name = NULL;
else
- func_name = temp_func;
+ func_name = temp_func.get ();
}
}
}
if (func_name == NULL)
{
*symp = fsym;
- do_cleanups (all_cleanups);
return 0;
}
- func_oload_champ = find_oload_champ_namespace (args, nargs,
+ func_oload_champ = find_oload_champ_namespace (args,
func_name,
qualified_name,
- &oload_syms,
+ &functions,
&func_badness,
no_adl);
if (func_oload_champ >= 0)
- func_match_quality = classify_oload_match (func_badness, nargs, 0);
-
- make_cleanup (xfree, oload_syms);
- make_cleanup (xfree, func_badness);
+ func_match_quality = classify_oload_match (func_badness,
+ args.size (), 0);
}
/* Did we find a match ? */
}
if (staticp != NULL)
- *staticp = oload_method_static_p (fns_ptr, method_oload_champ);
+ *staticp = oload_method_static_p (methods.data (), method_oload_champ);
if (method_oload_champ >= 0)
{
if (src_method_oload_champ >= 0)
{
- if (TYPE_FN_FIELD_VIRTUAL_P (fns_ptr, method_oload_champ)
+ if (TYPE_FN_FIELD_VIRTUAL_P (methods, method_oload_champ)
&& noside != EVAL_AVOID_SIDE_EFFECTS)
{
- *valp = value_virtual_fn_field (&temp, fns_ptr,
+ *valp = value_virtual_fn_field (&temp, methods.data (),
method_oload_champ, basetype,
boffset);
}
else
- *valp = value_fn_field (&temp, fns_ptr, method_oload_champ,
- basetype, boffset);
+ *valp = value_fn_field (&temp, methods.data (),
+ method_oload_champ, basetype, boffset);
}
else
*valp = value_from_xmethod
- (std::move (xm_worker_vec[ext_method_oload_champ]));
+ (std::move (xmethods[ext_method_oload_champ]));
}
else
- *symp = oload_syms[func_oload_champ];
+ *symp = functions[func_oload_champ];
if (objp)
{
struct type *temp_type = check_typedef (value_type (temp));
struct type *objtype = check_typedef (obj_type);
- if (TYPE_CODE (temp_type) != TYPE_CODE_PTR
- && (TYPE_CODE (objtype) == TYPE_CODE_PTR
+ if (temp_type->code () != TYPE_CODE_PTR
+ && (objtype->code () == TYPE_CODE_PTR
|| TYPE_IS_REFERENCE (objtype)))
{
temp = value_addr (temp);
*objp = temp;
}
- do_cleanups (all_cleanups);
-
switch (match_quality)
{
case INCOMPATIBLE:
/* Find the best overload match, searching for FUNC_NAME in namespaces
contained in QUALIFIED_NAME until it either finds a good match or
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. If NO_ADL, argument dependent lookup is not
- performned. */
+ *OLOAD_SYMS, and the badness vector in *OLOAD_CHAMP_BV. If NO_ADL,
+ argument dependent lookup is not performed. */
static int
-find_oload_champ_namespace (struct value **args, int nargs,
+find_oload_champ_namespace (gdb::array_view<value *> args,
const char *func_name,
const char *qualified_name,
- struct symbol ***oload_syms,
- struct badness_vector **oload_champ_bv,
+ std::vector<symbol *> *oload_syms,
+ badness_vector *oload_champ_bv,
const int no_adl)
{
int oload_champ;
- find_oload_champ_namespace_loop (args, nargs,
+ find_oload_champ_namespace_loop (args,
func_name,
qualified_name, 0,
oload_syms, oload_champ_bv,
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. 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. */
+ find_oload_champ_namespace. */
static int
-find_oload_champ_namespace_loop (struct value **args, int nargs,
+find_oload_champ_namespace_loop (gdb::array_view<value *> args,
const char *func_name,
const char *qualified_name,
int namespace_len,
- struct symbol ***oload_syms,
- struct badness_vector **oload_champ_bv,
+ std::vector<symbol *> *oload_syms,
+ badness_vector *oload_champ_bv,
int *oload_champ,
const int no_adl)
{
int next_namespace_len = namespace_len;
int searched_deeper = 0;
- int num_fns = 0;
- struct cleanup *old_cleanups;
int new_oload_champ;
- struct symbol **new_oload_syms;
- struct badness_vector *new_oload_champ_bv;
char *new_namespace;
if (next_namespace_len != 0)
next_namespace_len +=
cp_find_first_component (qualified_name + next_namespace_len);
- /* Initialize these to values that can safely be xfree'd. */
- *oload_syms = NULL;
- *oload_champ_bv = NULL;
-
/* First, see if we have a deeper namespace we can search in.
If we get a good match there, use it. */
{
searched_deeper = 1;
- if (find_oload_champ_namespace_loop (args, nargs,
+ if (find_oload_champ_namespace_loop (args,
func_name, qualified_name,
next_namespace_len,
oload_syms, oload_champ_bv,
because this overload mechanism only gets called if there's a
function symbol to start off with.) */
- old_cleanups = make_cleanup (xfree, *oload_syms);
- make_cleanup (xfree, *oload_champ_bv);
new_namespace = (char *) alloca (namespace_len + 1);
strncpy (new_namespace, qualified_name, namespace_len);
new_namespace[namespace_len] = '\0';
- new_oload_syms = make_symbol_overload_list (func_name,
- new_namespace);
+
+ std::vector<symbol *> new_oload_syms
+ = make_symbol_overload_list (func_name, new_namespace);
/* If we have reached the deepest level perform argument
determined lookup. */
/* Prepare list of argument types for overload resolution. */
arg_types = (struct type **)
- alloca (nargs * (sizeof (struct type *)));
- for (ix = 0; ix < nargs; ix++)
+ alloca (args.size () * (sizeof (struct type *)));
+ for (ix = 0; ix < args.size (); ix++)
arg_types[ix] = value_type (args[ix]);
- make_symbol_overload_list_adl (arg_types, nargs, func_name);
+ add_symbol_overload_list_adl ({arg_types, args.size ()}, func_name,
+ &new_oload_syms);
}
- while (new_oload_syms[num_fns])
- ++num_fns;
-
- new_oload_champ = find_oload_champ (args, nargs, num_fns,
- NULL, NULL, new_oload_syms,
+ badness_vector new_oload_champ_bv;
+ new_oload_champ = find_oload_champ (args,
+ new_oload_syms.size (),
+ NULL, NULL, new_oload_syms.data (),
&new_oload_champ_bv);
/* Case 1: We found a good match. Free earlier matches (if any),
it's a bad match. */
if (new_oload_champ != -1
- && classify_oload_match (new_oload_champ_bv, nargs, 0) == STANDARD)
+ && classify_oload_match (new_oload_champ_bv, args.size (), 0) == STANDARD)
{
- *oload_syms = new_oload_syms;
+ *oload_syms = std::move (new_oload_syms);
*oload_champ = new_oload_champ;
- *oload_champ_bv = new_oload_champ_bv;
- do_cleanups (old_cleanups);
+ *oload_champ_bv = std::move (new_oload_champ_bv);
return 1;
}
else if (searched_deeper)
{
- xfree (new_oload_syms);
- xfree (new_oload_champ_bv);
- discard_cleanups (old_cleanups);
return 0;
}
else
{
- *oload_syms = new_oload_syms;
+ *oload_syms = std::move (new_oload_syms);
*oload_champ = new_oload_champ;
- *oload_champ_bv = new_oload_champ_bv;
- do_cleanups (old_cleanups);
+ *oload_champ_bv = std::move (new_oload_champ_bv);
return 0;
}
}
-/* Look for a function to take NARGS args of ARGS. Find
- the best match from among the overloaded methods or functions
- given by FNS_PTR or OLOAD_SYMS or XM_WORKER_VEC, respectively.
- One, and only one of FNS_PTR, OLOAD_SYMS and XM_WORKER_VEC can be
- non-NULL.
+/* Look for a function to take ARGS. Find the best match from among
+ the overloaded methods or functions given by METHODS or FUNCTIONS
+ or XMETHODS, respectively. One, and only one of METHODS, FUNCTIONS
+ and XMETHODS can be non-NULL.
- If XM_WORKER_VEC is NULL, then the length of the arrays FNS_PTR
- or OLOAD_SYMS (whichever is non-NULL) is specified in NUM_FNS.
+ NUM_FNS is the length of the array pointed at by METHODS, FUNCTIONS
+ or XMETHODS, whichever is non-NULL.
Return the index of the best match; store an indication of the
- quality of the match in OLOAD_CHAMP_BV.
-
- It is the caller's responsibility to free *OLOAD_CHAMP_BV. */
+ quality of the match in OLOAD_CHAMP_BV. */
static int
-find_oload_champ (struct value **args, int nargs,
- int num_fns, struct fn_field *fns_ptr,
- const std::vector<xmethod_worker_up> *xm_worker_vec,
- struct symbol **oload_syms,
- struct badness_vector **oload_champ_bv)
+find_oload_champ (gdb::array_view<value *> args,
+ size_t num_fns,
+ fn_field *methods,
+ xmethod_worker_up *xmethods,
+ symbol **functions,
+ badness_vector *oload_champ_bv)
{
- int ix;
/* A measure of how good an overloaded instance is. */
- struct badness_vector *bv;
+ badness_vector bv;
/* Index of best overloaded function. */
int oload_champ = -1;
/* Current ambiguity state for overload resolution. */
/* A champion can be found among methods alone, or among functions
alone, or in xmethods alone, but not in more than one of these
groups. */
- gdb_assert ((fns_ptr != NULL) + (oload_syms != NULL) + (xm_worker_vec != NULL)
+ gdb_assert ((methods != NULL) + (functions != NULL) + (xmethods != NULL)
== 1);
- *oload_champ_bv = NULL;
-
- 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++)
+ for (size_t ix = 0; ix < num_fns; ix++)
{
int jj;
int static_offset = 0;
- int nparms;
- struct type **parm_types;
+ std::vector<type *> parm_types;
- if (xm_worker_vec != NULL)
- {
- xmethod_worker *worker = (*xm_worker_vec)[ix].get ();
- parm_types = worker->get_arg_types (&nparms);
- }
+ if (xmethods != NULL)
+ parm_types = xmethods[ix]->get_arg_types ();
else
{
- if (fns_ptr != NULL)
+ size_t nparms;
+
+ if (methods != NULL)
{
- nparms = TYPE_NFIELDS (TYPE_FN_FIELD_TYPE (fns_ptr, ix));
- static_offset = oload_method_static_p (fns_ptr, ix);
+ nparms = TYPE_FN_FIELD_TYPE (methods, ix)->num_fields ();
+ static_offset = oload_method_static_p (methods, ix);
}
else
- nparms = TYPE_NFIELDS (SYMBOL_TYPE (oload_syms[ix]));
+ nparms = SYMBOL_TYPE (functions[ix])->num_fields ();
- parm_types = XNEWVEC (struct type *, nparms);
+ parm_types.reserve (nparms);
for (jj = 0; jj < nparms; jj++)
- parm_types[jj] = (fns_ptr != NULL
- ? (TYPE_FN_FIELD_ARGS (fns_ptr, ix)[jj].type)
- : TYPE_FIELD_TYPE (SYMBOL_TYPE (oload_syms[ix]),
- jj));
+ {
+ type *t = (methods != NULL
+ ? (TYPE_FN_FIELD_ARGS (methods, ix)[jj].type)
+ : TYPE_FIELD_TYPE (SYMBOL_TYPE (functions[ix]),
+ jj));
+ parm_types.push_back (t);
+ }
}
/* Compare parameter types to supplied argument types. Skip
THIS for static methods. */
- bv = rank_function (parm_types, nparms,
- args + static_offset,
- nargs - static_offset);
+ bv = rank_function (parm_types,
+ args.slice (static_offset));
- if (!*oload_champ_bv)
+ if (overload_debug)
{
- *oload_champ_bv = bv;
+ if (methods != NULL)
+ fprintf_filtered (gdb_stderr,
+ "Overloaded method instance %s, # of parms %d\n",
+ methods[ix].physname, (int) parm_types.size ());
+ else if (xmethods != NULL)
+ fprintf_filtered (gdb_stderr,
+ "Xmethod worker, # of parms %d\n",
+ (int) parm_types.size ());
+ else
+ fprintf_filtered (gdb_stderr,
+ "Overloaded function instance "
+ "%s # of parms %d\n",
+ functions[ix]->demangled_name (),
+ (int) parm_types.size ());
+
+ fprintf_filtered (gdb_stderr,
+ "...Badness of length : {%d, %d}\n",
+ bv[0].rank, bv[0].subrank);
+
+ for (jj = 1; jj < bv.size (); jj++)
+ fprintf_filtered (gdb_stderr,
+ "...Badness of arg %d : {%d, %d}\n",
+ jj, bv[jj].rank, bv[jj].subrank);
+ }
+
+ if (oload_champ_bv->empty ())
+ {
+ *oload_champ_bv = std::move (bv);
oload_champ = 0;
}
else /* See whether current candidate is better or worse than
oload_ambiguous = 2;
break;
case 2: /* New champion, record details. */
- *oload_champ_bv = bv;
+ *oload_champ_bv = std::move (bv);
oload_ambiguous = 0;
oload_champ = ix;
break;
default:
break;
}
- xfree (parm_types);
if (overload_debug)
- {
- if (fns_ptr != NULL)
- fprintf_filtered (gdb_stderr,
- "Overloaded method instance %s, # of parms %d\n",
- fns_ptr[ix].physname, nparms);
- else if (xm_worker_vec != NULL)
- fprintf_filtered (gdb_stderr,
- "Xmethod worker, # of parms %d\n",
- nparms);
- else
- fprintf_filtered (gdb_stderr,
- "Overloaded function instance "
- "%s # of parms %d\n",
- SYMBOL_DEMANGLED_NAME (oload_syms[ix]),
- nparms);
- for (jj = 0; jj < nargs - static_offset; jj++)
- fprintf_filtered (gdb_stderr,
- "...Badness @ %d : %d\n",
- jj, bv->rank[jj].rank);
- fprintf_filtered (gdb_stderr, "Overload resolution "
- "champion is %d, ambiguous? %d\n",
- oload_champ, oload_ambiguous);
- }
+ fprintf_filtered (gdb_stderr, "Overload resolution "
+ "champion is %d, ambiguous? %d\n",
+ oload_champ, oload_ambiguous);
}
return oload_champ;
/* Check how good an overload match OLOAD_CHAMP_BV represents. */
static enum oload_classification
-classify_oload_match (struct badness_vector *oload_champ_bv,
+classify_oload_match (const badness_vector &oload_champ_bv,
int nargs,
int static_offset)
{
{
/* If this conversion is as bad as INCOMPATIBLE_TYPE_BADNESS
or worse return INCOMPATIBLE. */
- if (compare_ranks (oload_champ_bv->rank[ix],
+ if (compare_ranks (oload_champ_bv[ix],
INCOMPATIBLE_TYPE_BADNESS) <= 0)
return INCOMPATIBLE; /* Truly mismatched types. */
/* Otherwise If this conversion is as bad as
NS_POINTER_CONVERSION_BADNESS or worse return NON_STANDARD. */
- else if (compare_ranks (oload_champ_bv->rank[ix],
+ else if (compare_ranks (oload_champ_bv[ix],
NS_POINTER_CONVERSION_BADNESS) <= 0)
worst = NON_STANDARD; /* Non-standard type conversions
needed. */
int i;
int name_len = strlen (name);
- gdb_assert (TYPE_CODE (type) == TYPE_CODE_ENUM
+ gdb_assert (type->code () == TYPE_CODE_ENUM
&& TYPE_DECLARED_CLASS (type));
- for (i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); ++i)
+ for (i = TYPE_N_BASECLASSES (type); i < type->num_fields (); ++i)
{
const char *fname = TYPE_FIELD_NAME (type, i);
int len;
}
error (_("no constant named \"%s\" in enum \"%s\""),
- name, TYPE_NAME (type));
+ name, type->name ());
}
/* C++: Given an aggregate type CURTYPE, and a member name NAME,
struct type *expect_type, int want_address,
enum noside noside)
{
- switch (TYPE_CODE (curtype))
+ switch (curtype->code ())
{
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
{
int start = 0;
- if (TYPE_NFIELDS (t1) > 0 && TYPE_FIELD_ARTIFICIAL (t1, 0))
+ if (t1->num_fields () > 0 && TYPE_FIELD_ARTIFICIAL (t1, 0))
++start;
/* If skipping artificial fields, find the first real field
in T1. */
if (skip_artificial)
{
- while (start < TYPE_NFIELDS (t1)
+ while (start < t1->num_fields ()
&& TYPE_FIELD_ARTIFICIAL (t1, start))
++start;
}
/* Special case: a method taking void. T1 will contain no
non-artificial fields, and T2 will contain TYPE_CODE_VOID. */
- if ((TYPE_NFIELDS (t1) - start) == 0 && TYPE_NFIELDS (t2) == 1
- && TYPE_CODE (TYPE_FIELD_TYPE (t2, 0)) == TYPE_CODE_VOID)
+ if ((t1->num_fields () - start) == 0 && t2->num_fields () == 1
+ && TYPE_FIELD_TYPE (t2, 0)->code () == TYPE_CODE_VOID)
return 1;
- if ((TYPE_NFIELDS (t1) - start) == TYPE_NFIELDS (t2))
+ if ((t1->num_fields () - start) == t2->num_fields ())
{
int i;
- for (i = 0; i < TYPE_NFIELDS (t2); ++i)
+ for (i = 0; i < t2->num_fields (); ++i)
{
if (compare_ranks (rank_one_type (TYPE_FIELD_TYPE (t1, start + i),
TYPE_FIELD_TYPE (t2, i), NULL),
return 0;
}
+/* C++: Given an aggregate type VT, and a class type CLS, search
+ recursively for CLS using value V; If found, store the offset
+ which is either fetched from the virtual base pointer if CLS
+ is virtual or accumulated offset of its parent classes if
+ CLS is non-virtual in *BOFFS, set ISVIRT to indicate if CLS
+ is virtual, and return true. If not found, return false. */
+
+static bool
+get_baseclass_offset (struct type *vt, struct type *cls,
+ struct value *v, int *boffs, bool *isvirt)
+{
+ for (int i = 0; i < TYPE_N_BASECLASSES (vt); i++)
+ {
+ struct type *t = TYPE_FIELD_TYPE (vt, i);
+ if (types_equal (t, cls))
+ {
+ if (BASETYPE_VIA_VIRTUAL (vt, i))
+ {
+ const gdb_byte *adr = value_contents_for_printing (v);
+ *boffs = baseclass_offset (vt, i, adr, value_offset (v),
+ value_as_long (v), v);
+ *isvirt = true;
+ }
+ else
+ *isvirt = false;
+ return true;
+ }
+
+ if (get_baseclass_offset (check_typedef (t), cls, v, boffs, isvirt))
+ {
+ if (*isvirt == false) /* Add non-virtual base offset. */
+ {
+ const gdb_byte *adr = value_contents_for_printing (v);
+ *boffs += baseclass_offset (vt, i, adr, value_offset (v),
+ value_as_long (v), v);
+ }
+ return true;
+ }
+ }
+
+ return false;
+}
+
/* C++: Given an aggregate type CURTYPE, and a member name NAME,
return the address of this member as a "pointer to member" type.
If INTYPE is non-null, then it will be the type of the member we
int i;
struct value *result;
- if (TYPE_CODE (t) != TYPE_CODE_STRUCT
- && TYPE_CODE (t) != TYPE_CODE_UNION)
+ if (t->code () != TYPE_CODE_STRUCT
+ && t->code () != TYPE_CODE_UNION)
error (_("Internal error: non-aggregate type "
"to value_struct_elt_for_reference"));
- for (i = TYPE_NFIELDS (t) - 1; i >= TYPE_N_BASECLASSES (t); i--)
+ for (i = t->num_fields () - 1; i >= TYPE_N_BASECLASSES (t); i--)
{
const char *t_field_name = TYPE_FIELD_NAME (t, i);
if (t_field_name && strcmp (t_field_name, name) == 0)
{
- if (field_is_static (&TYPE_FIELD (t, i)))
+ if (field_is_static (&t->field (i)))
{
struct value *v = value_static_field (t, i);
if (want_address)
struct value *v = value_of_this_silent (current_language);
if (v != NULL)
{
- struct value *ptr;
+ struct value *ptr, *this_v = v;
long mem_offset;
struct type *type, *tmp;
ptr = value_aggregate_elt (domain, name, NULL, 1, noside);
type = check_typedef (value_type (ptr));
gdb_assert (type != NULL
- && TYPE_CODE (type) == TYPE_CODE_MEMBERPTR);
+ && type->code () == TYPE_CODE_MEMBERPTR);
tmp = lookup_pointer_type (TYPE_SELF_TYPE (type));
v = value_cast_pointers (tmp, v, 1);
mem_offset = value_as_long (ptr);
+ if (domain != curtype)
+ {
+ /* Find class offset of type CURTYPE from either its
+ parent type DOMAIN or the type of implied this. */
+ int boff = 0;
+ bool isvirt = false;
+ if (get_baseclass_offset (domain, curtype, v, &boff,
+ &isvirt))
+ mem_offset += boff;
+ else
+ {
+ struct type *p = check_typedef (value_type (this_v));
+ p = check_typedef (TYPE_TARGET_TYPE (p));
+ if (get_baseclass_offset (p, curtype, this_v,
+ &boff, &isvirt))
+ mem_offset += boff;
+ }
+ }
tmp = lookup_pointer_type (TYPE_TARGET_TYPE (type));
result = value_from_pointer (tmp,
value_as_long (v) + mem_offset);
as a pointer to a method. */
/* Perform all necessary dereferencing. */
- while (intype && TYPE_CODE (intype) == TYPE_CODE_PTR)
+ while (intype && intype->code () == TYPE_CODE_PTR)
intype = TYPE_TARGET_TYPE (intype);
for (i = TYPE_NFN_FIELDS (t) - 1; i >= 0; --i)
{
const char *t_field_name = TYPE_FN_FIELDLIST_NAME (t, i);
- char dem_opname[64];
- if (startswith (t_field_name, "__")
- || startswith (t_field_name, "op")
- || startswith (t_field_name, "type"))
- {
- if (cplus_demangle_opname (t_field_name,
- dem_opname, DMGL_ANSI))
- t_field_name = dem_opname;
- else if (cplus_demangle_opname (t_field_name,
- dem_opname, 0))
- t_field_name = dem_opname;
- }
if (t_field_name && strcmp (t_field_name, name) == 0)
{
int j;
if (retval == NULL)
error (_("No symbol \"%s\" in namespace \"%s\"."),
- name, TYPE_NAME (curtype));
+ name, curtype->name ());
return retval;
}
const char *name, int want_address,
enum noside noside)
{
- const char *namespace_name = TYPE_NAME (curtype);
+ const char *namespace_name = curtype->name ();
struct block_symbol sym;
struct value *result;
type = check_typedef (type);
if (TYPE_IS_REFERENCE (type))
target = coerce_ref (v);
- else if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ else if (type->code () == TYPE_CODE_PTR)
{
- TRY
+ try
{
target = value_ind (v);
}
- CATCH (except, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &except)
{
if (except.error == MEMORY_ERROR)
{
type. */
return NULL;
}
- throw_exception (except);
+ throw;
}
- END_CATCH
}
else
return NULL;
real_type = make_cv_type (TYPE_CONST (target_type),
TYPE_VOLATILE (target_type), real_type, NULL);
if (TYPE_IS_REFERENCE (type))
- real_type = lookup_reference_type (real_type, TYPE_CODE (type));
- else if (TYPE_CODE (type) == TYPE_CODE_PTR)
+ real_type = lookup_reference_type (real_type, type->code ());
+ else if (type->code () == TYPE_CODE_PTR)
real_type = lookup_pointer_type (real_type);
else
internal_error (__FILE__, __LINE__, _("Unexpected value type."));
{
warning (_("Couldn't retrieve complete object of RTTI "
"type %s; object may be in register(s)."),
- TYPE_NAME (real_type));
+ real_type->name ());
return argp;
}
{
struct value *ret = NULL;
- TRY
+ try
{
ret = value_of_this (lang);
}
- CATCH (except, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &except)
{
}
- END_CATCH
return ret;
}
struct type *array_type;
array_type = check_typedef (value_type (array));
- if (TYPE_CODE (array_type) != TYPE_CODE_ARRAY
- && TYPE_CODE (array_type) != TYPE_CODE_STRING)
+ if (array_type->code () != TYPE_CODE_ARRAY
+ && array_type->code () != TYPE_CODE_STRING)
error (_("cannot take slice of non-array"));
+ if (type_not_allocated (array_type))
+ error (_("array not allocated"));
+ if (type_not_associated (array_type))
+ error (_("array not associated"));
+
range_type = TYPE_INDEX_TYPE (array_type);
if (get_discrete_bounds (range_type, &lowerbound, &upperbound) < 0)
error (_("slice from bad array or bitstring"));
/* FIXME-type-allocation: need a way to free this type when we are
done with it. */
- slice_range_type = create_static_range_type ((struct type *) NULL,
+ slice_range_type = create_static_range_type (NULL,
TYPE_TARGET_TYPE (range_type),
lowbound,
lowbound + length - 1);
LONGEST offset
= (lowbound - lowerbound) * TYPE_LENGTH (check_typedef (element_type));
- slice_type = create_array_type ((struct type *) NULL,
+ slice_type = create_array_type (NULL,
element_type,
slice_range_type);
- TYPE_CODE (slice_type) = TYPE_CODE (array_type);
+ slice_type->set_code (array_type->code ());
if (VALUE_LVAL (array) == lval_memory && value_lazy (array))
slice = allocate_value_lazy (slice_type);
return slice;
}
-/* Create a value for a FORTRAN complex number. Currently most of the
- time values are coerced to COMPLEX*16 (i.e. a complex number
- composed of 2 doubles. This really should be a smarter routine
- that figures out precision inteligently as opposed to assuming
- doubles. FIXME: fmb */
+/* See value.h. */
struct value *
-value_literal_complex (struct value *arg1,
+value_literal_complex (struct value *arg1,
struct value *arg2,
struct type *type)
{
return val;
}
+/* See value.h. */
+
+struct value *
+value_real_part (struct value *value)
+{
+ struct type *type = check_typedef (value_type (value));
+ struct type *ttype = TYPE_TARGET_TYPE (type);
+
+ gdb_assert (type->code () == TYPE_CODE_COMPLEX);
+ return value_from_component (value, ttype, 0);
+}
+
+/* See value.h. */
+
+struct value *
+value_imaginary_part (struct value *value)
+{
+ struct type *type = check_typedef (value_type (value));
+ struct type *ttype = TYPE_TARGET_TYPE (type);
+
+ gdb_assert (type->code () == TYPE_CODE_COMPLEX);
+ return value_from_component (value, ttype,
+ TYPE_LENGTH (check_typedef (ttype)));
+}
+
/* Cast a value into the appropriate complex data type. */
static struct value *
{
struct type *real_type = TYPE_TARGET_TYPE (type);
- if (TYPE_CODE (value_type (val)) == TYPE_CODE_COMPLEX)
+ if (value_type (val)->code () == TYPE_CODE_COMPLEX)
{
struct type *val_real_type = TYPE_TARGET_TYPE (value_type (val));
struct value *re_val = allocate_value (val_real_type);
return value_literal_complex (re_val, im_val, type);
}
- else if (TYPE_CODE (value_type (val)) == TYPE_CODE_FLT
- || TYPE_CODE (value_type (val)) == TYPE_CODE_INT)
+ else if (value_type (val)->code () == TYPE_CODE_FLT
+ || value_type (val)->code () == TYPE_CODE_INT)
return value_literal_complex (val,
value_zero (real_type, not_lval),
type);
error (_("cannot cast non-number to complex"));
}
+void _initialize_valops ();
void
-_initialize_valops (void)
+_initialize_valops ()
{
add_setshow_boolean_cmd ("overload-resolution", class_support,
&overload_resolution, _("\
projects / deliverable / binutils-gdb.git / blobdiff