@@ -78,10 +78,18 @@ proc do_check_holder {name {flags ""} {show_typedefs 1} {show_methods 1}
proc do_check_typedef_holder {name {flags ""} {show_typedefs 1} {show_methods 1}
{raw 0}} {
- set contents {
- { field public "double a;" }
- { field public "ns::scoped_double b;" }
- { field public "global_double c;" }
+ if {$raw} {
+ set contents {
+ { field public "double a;" }
+ { field public "ns::scoped_double b;" }
+ { field public "global_double c;" }
+ }
+ } else {
+ set contents {
+ { field public "class_double a;" }
+ { field public "class_double b;" }
+ { field public "class_double c;" }
+ }
}
if {$show_typedefs} {
@@ -89,8 +97,13 @@ proc do_check_typedef_holder {name {flags ""} {show_typedefs 1} {show_methods 1}
}
if {$show_methods} {
- lappend contents { method private "double method1(ns::scoped_double);" }
- lappend contents { method private "double method2(global_double);" }
+ if {$raw} {
+ lappend contents { method private "double method1(ns::scoped_double);" }
+ lappend contents { method private "double method2(global_double);" }
+ } else {
+ lappend contents { method private "class_double method1(class_double);" }
+ lappend contents { method private "class_double method2(class_double);" }
+ }
}
if {$raw} {
@@ -194,49 +194,19 @@ print_offset_data::finish (struct type *type, int level,
-/* A hash function for a typedef_field. */
-
-static hashval_t
-hash_typedef_field (const void *p)
-{
- const struct decl_field *tf = (const struct decl_field *) p;
-
- return htab_hash_string (TYPE_SAFE_NAME (tf->type));
-}
-
-/* An equality function for a typedef field. */
-
-static int
-eq_typedef_field (const void *a, const void *b)
-{
- const struct decl_field *tfa = (const struct decl_field *) a;
- const struct decl_field *tfb = (const struct decl_field *) b;
-
- return types_equal (tfa->type, tfb->type);
-}
-
/* See typeprint.h. */
void
typedef_hash_table::recursively_update (struct type *t)
{
- int i;
-
- for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (t); ++i)
+ for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (t); ++i)
{
- struct decl_field *tdef = &TYPE_TYPEDEF_FIELD (t, i);
- void **slot;
-
- slot = htab_find_slot (m_table.get (), tdef, INSERT);
- /* Only add a given typedef name once. Really this shouldn't
- happen; but it is safe enough to do the updates breadth-first
- and thus use the most specific typedef. */
- if (*slot == NULL)
- *slot = tdef;
+ decl_field *child_type = &TYPE_TYPEDEF_FIELD (t, i);
+ m_table.emplace (child_type->type, child_type);
}
/* Recurse into superclasses. */
- for (i = 0; i < TYPE_N_BASECLASSES (t); ++i)
+ for (int i = 0; i < TYPE_N_BASECLASSES (t); ++i)
recursively_update (TYPE_BASECLASS (t, i));
}
@@ -250,7 +220,6 @@ typedef_hash_table::add_template_parameters (struct type *t)
for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (t); ++i)
{
struct decl_field *tf;
- void **slot;
/* We only want type-valued template parameters in the hash. */
if (TYPE_TEMPLATE_ARGUMENT (t, i)->aclass () != LOC_TYPEDEF)
@@ -260,45 +229,10 @@ typedef_hash_table::add_template_parameters (struct type *t)
tf->name = TYPE_TEMPLATE_ARGUMENT (t, i)->linkage_name ();
tf->type = TYPE_TEMPLATE_ARGUMENT (t, i)->type ();
- slot = htab_find_slot (m_table.get (), tf, INSERT);
- if (*slot == NULL)
- *slot = tf;
+ m_table.emplace (tf->type, tf);
}
}
-/* See typeprint.h. */
-
-typedef_hash_table::typedef_hash_table ()
- : m_table (htab_create_alloc (10, hash_typedef_field, eq_typedef_field,
- NULL, xcalloc, xfree))
-{
-}
-
-/* Helper function for typedef_hash_table::copy. */
-
-static int
-copy_typedef_hash_element (void **slot, void *nt)
-{
- htab_t new_table = (htab_t) nt;
- void **new_slot;
-
- new_slot = htab_find_slot (new_table, *slot, INSERT);
- if (*new_slot == NULL)
- *new_slot = *slot;
-
- return 1;
-}
-
-/* See typeprint.h. */
-
-typedef_hash_table::typedef_hash_table (const typedef_hash_table &table)
-{
- m_table.reset (htab_create_alloc (10, hash_typedef_field, eq_typedef_field,
- NULL, xcalloc, xfree));
- htab_traverse_noresize (table.m_table.get (), copy_typedef_hash_element,
- m_table.get ());
-}
-
/* Look up the type T in the global typedef hash. If it is found,
return the typedef name. If it is not found, apply the
type-printers, if any, given by start_script_type_printers and return the
@@ -308,29 +242,21 @@ const char *
typedef_hash_table::find_global_typedef (const struct type_print_options *flags,
struct type *t)
{
- void **slot;
- struct decl_field tf, *new_tf;
-
if (flags->global_typedefs == NULL)
return NULL;
- tf.name = NULL;
- tf.type = t;
-
- slot = htab_find_slot (flags->global_typedefs->m_table.get (), &tf, INSERT);
- if (*slot != NULL)
- {
- new_tf = (struct decl_field *) *slot;
- return new_tf->name;
- }
+ if (auto it = flags->global_typedefs->m_table.find (t);
+ it != flags->global_typedefs->m_table.end ())
+ return it->second->name;
/* Put an entry into the hash table now, in case
apply_ext_lang_type_printers recurses. */
- new_tf = XOBNEW (&flags->global_typedefs->m_storage, struct decl_field);
+ decl_field *new_tf
+ = XOBNEW (&flags->global_typedefs->m_storage, struct decl_field);
new_tf->name = NULL;
new_tf->type = t;
- *slot = new_tf;
+ flags->global_typedefs->m_table.emplace (new_tf->type, new_tf);
gdb::unique_xmalloc_ptr<char> applied
= apply_ext_lang_type_printers (flags->global_printers, t);
@@ -350,15 +276,9 @@ typedef_hash_table::find_typedef (const struct type_print_options *flags,
{
if (flags->local_typedefs != NULL)
{
- struct decl_field tf, *found;
-
- tf.name = NULL;
- tf.type = t;
- htab_t table = flags->local_typedefs->m_table.get ();
- found = (struct decl_field *) htab_find (table, &tf);
-
- if (found != NULL)
- return found->name;
+ if (auto iter = flags->local_typedefs->m_table.find (t);
+ iter != flags->local_typedefs->m_table.end ())
+ return iter->second->name;
}
return find_global_typedef (flags, t);
@@ -20,6 +20,8 @@
#define TYPEPRINT_H
#include "gdbsupport/gdb_obstack.h"
+#include "gdbsupport/unordered_set.h"
+#include "gdbtypes.h"
enum language;
struct ui_file;
@@ -123,10 +125,12 @@ class typedef_hash_table
public:
/* Create a new typedef-lookup hash table. */
- typedef_hash_table ();
+ typedef_hash_table () = default;
/* Copy a typedef hash. */
- typedef_hash_table (const typedef_hash_table &);
+ typedef_hash_table (const typedef_hash_table &other)
+ : m_table (other.m_table)
+ {}
typedef_hash_table &operator= (const typedef_hash_table &) = delete;
@@ -149,9 +153,24 @@ class typedef_hash_table
static const char *find_global_typedef (const struct type_print_options *flags,
struct type *t);
+ struct hash
+ {
+ std::size_t operator() (type *type) const noexcept
+ {
+ /* Use check_typedef: the hash must agree with equals, and types_equal
+ strips typedefs. */
+ return htab_hash_string (TYPE_SAFE_NAME (check_typedef (type)));
+ }
+ };
+
+ struct eq
+ {
+ bool operator() (type *lhs, type *rhs) const noexcept
+ { return types_equal (lhs, rhs); }
+ };
/* The actual hash table. */
- htab_up m_table;
+ gdb::unordered_map<type *, decl_field *, hash, eq> m_table;
/* Storage for typedef_field objects that must be synthesized. */
auto_obstack m_storage;