This patch just moves the traits classes to their own header file,
hash-traits.h.
gcc/
* hash-table.h: Include hash-traits.h.
(typed_free_remove, typed_noop_remove, pointer_hash, ggc_hasher)
(ggc_cache_hasher): Move to...
* hash-traits.h: ...this new file.
Index: gcc/hash-table.h
===
--- gcc/hash-table.h2015-06-15 16:04:44.775663659 +0100
+++ gcc/hash-table.h2015-06-15 16:04:44.771663705 +0100
@@ -81,7 +81,7 @@ Software Foundation; either version 3, o
We compose this into a few steps.
1. Decide on a removal policy for values stored in the table.
- This header provides class templates for the two most common
+ hash-traits.h provides class templates for the two most common
policies.
* typed_free_remove implements the static 'remove' member function
@@ -202,6 +202,7 @@ #define TYPED_HASHTAB_H
#include hashtab.h
#include inchash.h
#include mem-stats-traits.h
+#include hash-traits.h
#include hash-map-traits.h
templatetypename, typename, typename class hash_map;
@@ -238,143 +239,6 @@ xcallocator Type::data_free (Type *mem
}
-/* Helpful type for removing with free. */
-
-template typename Type
-struct typed_free_remove
-{
- static inline void remove (Type *p);
-};
-
-
-/* Remove with free. */
-
-template typename Type
-inline void
-typed_free_remove Type::remove (Type *p)
-{
- free (p);
-}
-
-
-/* Helpful type for a no-op remove. */
-
-template typename Type
-struct typed_noop_remove
-{
- static inline void remove (Type *p);
-};
-
-
-/* Remove doing nothing. */
-
-template typename Type
-inline void
-typed_noop_remove Type::remove (Type *p ATTRIBUTE_UNUSED)
-{
-}
-
-
-/* Pointer hash with a no-op remove method. */
-
-template typename Type
-struct pointer_hash : typed_noop_remove Type
-{
- typedef Type *value_type;
- typedef Type *compare_type;
-
- static inline hashval_t hash (const value_type );
-
- static inline bool equal (const value_type existing,
- const compare_type candidate);
-};
-
-template typename Type
-inline hashval_t
-pointer_hash Type::hash (const value_type candidate)
-{
- /* This is a really poor hash function, but it is what the current code uses,
- so I am reusing it to avoid an additional axis in testing. */
- return (hashval_t) ((intptr_t)candidate 3);
-}
-
-template typename Type
-inline bool
-pointer_hash Type::equal (const value_type existing,
- const compare_type candidate)
-{
- return existing == candidate;
-}
-
-/* Hasher for entry in gc memory. */
-
-templatetypename T
-struct ggc_hasher
-{
- typedef T value_type;
- typedef T compare_type;
-
- static void remove (T) {}
-
- static void
- ggc_mx (T p)
- {
-extern void gt_ggc_mx (T );
-gt_ggc_mx (p);
- }
-
- static void
- pch_nx (T p)
- {
- extern void gt_pch_nx (T );
- gt_pch_nx (p);
- }
-
- static void
- pch_nx (T p, gt_pointer_operator op, void *cookie)
- {
-op (p, cookie);
- }
-};
-
-/* Hasher for cache entry in gc memory. */
-
-templatetypename T
-struct ggc_cache_hasher
-{
- typedef T value_type;
- typedef T compare_type;
-
- static void remove (T ) {}
-
- /* Entries are weakly held because this is for caches. */
-
- static void ggc_mx (T ) {}
-
- static void
- pch_nx (T p)
- {
- extern void gt_pch_nx (T );
- gt_pch_nx (p);
- }
-
- static void
- pch_nx (T p, gt_pointer_operator op, void *cookie)
- {
-op (p, cookie);
- }
-
- /* Clear out entries if they are about to be gc'd. */
-
- static void
- handle_cache_entry (T e)
- {
-if (e != HTAB_EMPTY_ENTRY e != HTAB_DELETED_ENTRY !ggc_marked_p (e))
- e = static_castT (HTAB_DELETED_ENTRY);
- }
-};
-
-
/* Table of primes and their inversion information. */
struct prime_ent
Index: gcc/hash-traits.h
===
--- /dev/null 2015-06-02 17:27:28.541944012 +0100
+++ gcc/hash-traits.h 2015-06-15 16:04:44.771663705 +0100
@@ -0,0 +1,159 @@
+/* Traits for hashable types.
+ Copyright (C) 2014-2015 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+http://www.gnu.org/licenses/. */
+
+#ifndef hash_traits_h
+#define hash_traits_h
+
+/* Helpful type for removing with free. */
+
+template typename Type
+struct typed_free_remove
+{
+ static inline void remove
