diff options
-rw-r--r-- | libobjc/ChangeLog | 24 | ||||
-rw-r--r-- | libobjc/Makefile.in | 4 | ||||
-rw-r--r-- | libobjc/class.c | 1 | ||||
-rw-r--r-- | libobjc/exception.c | 1 | ||||
-rw-r--r-- | libobjc/init.c | 4 | ||||
-rw-r--r-- | libobjc/objc-private/hash.h | 214 | ||||
-rw-r--r-- | libobjc/objc-private/objc-list.h (renamed from libobjc/objc/objc-list.h) | 0 | ||||
-rw-r--r-- | libobjc/objc/deprecated/hash.h (renamed from libobjc/objc/hash.h) | 1 | ||||
-rw-r--r-- | libobjc/objc/deprecated/objc-list.h | 155 | ||||
-rw-r--r-- | libobjc/objc/objc-api.h | 4 | ||||
-rw-r--r-- | libobjc/objc/typedstream.h | 2 | ||||
-rw-r--r-- | libobjc/objects.c | 1 | ||||
-rw-r--r-- | libobjc/sarray.c | 1 | ||||
-rw-r--r-- | libobjc/selector.c | 4 | ||||
-rw-r--r-- | libobjc/sendmsg.c | 1 |
15 files changed, 408 insertions, 9 deletions
diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog index 9022c1b..ae242d2 100644 --- a/libobjc/ChangeLog +++ b/libobjc/ChangeLog @@ -1,3 +1,27 @@ +2010-09-17 Nicola Pero <nicola.pero@meta-innovation.com> + + * objc/hash.h: Moved into objc/deprecated/hash.h; objc/hash.h + replaced with a placeholder including the file from the + deprecated/ directory. + * objc/objc-api.h: Updated includes. + * objc/typedstream.h: Updated includes. + * objc-private/hash.h: New file (private copy of hash.h). + * objc/objc-list.h: Moved into objc/deprecated/objc-list.h; + objc/objc-list.h replaced with a placeholder including the file + from the deprecated/ directory. + * objc-private/objc-list.h: New file (private copy of objc-list.h). + * init.c: Include objc-private/hash.h and objc-private/objc-list.h + instead of objc/hash.h and objc/objc-list.h. + * selector.c: Same change. + * class.c: Added include <string.h>, which used to be implicitly included + when hash.h was included. + * exception.c: Same change. + * objects.c: Same change. + * sarray.c: Same change. + * sendmsg.c: Same change. + * Makefile.in (OBJC_DEPRECATED_H): Added hash.h and objc-list.h. + (OBJC_H): Removed hash.h and objc-list.h + 2010-09-14 Nicola Pero <nicola.pero@meta-innovation.com> Implemented objc_sync_enter() and objc_sync_exit(), which are diff --git a/libobjc/Makefile.in b/libobjc/Makefile.in index 78d5bb0..576b29e 100644 --- a/libobjc/Makefile.in +++ b/libobjc/Makefile.in @@ -117,11 +117,9 @@ OBJC_H = \ Object.h \ Protocol.h \ encoding.h \ - hash.h \ message.h \ objc-api.h \ objc-decls.h \ - objc-list.h \ sarray.h \ thr.h \ \ @@ -133,6 +131,8 @@ OBJC_DEPRECATED_H = \ MetaClass.h \ Object.h \ STR.h \ + hash.h \ + objc-list.h \ objc_error.h \ objc_malloc.h \ objc_unexpected_exception.h \ diff --git a/libobjc/class.c b/libobjc/class.c index 76f9e8f..cba9b84 100644 --- a/libobjc/class.c +++ b/libobjc/class.c @@ -93,6 +93,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include "objc/objc-api.h" #include "objc/thr.h" #include "objc-private/runtime.h" /* the kitchen sink */ +#include <string.h> /* For memset */ /* We use a table which maps a class name to the corresponding class * pointer. The first part of this file defines this table, and diff --git a/libobjc/exception.c b/libobjc/exception.c index bb6a919..0225d67 100644 --- a/libobjc/exception.c +++ b/libobjc/exception.c @@ -29,6 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include "objc/objc-exception.h" #include "unwind.h" #include "unwind-pe.h" +#include <string.h> /* For memcpy */ /* This hook allows libraries to sepecify special actions when an exception is thrown without a handler in place. This is deprecated diff --git a/libobjc/init.c b/libobjc/init.c index 206b85b..deb089d 100644 --- a/libobjc/init.c +++ b/libobjc/init.c @@ -29,8 +29,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include "objc/objc.h" #include "objc/objc-api.h" #include "objc/thr.h" -#include "objc/hash.h" -#include "objc/objc-list.h" +#include "objc-private/hash.h" +#include "objc-private/objc-list.h" #include "objc-private/runtime.h" #include "objc-private/objc-sync.h" /* For __objc_sync_init() */ diff --git a/libobjc/objc-private/hash.h b/libobjc/objc-private/hash.h new file mode 100644 index 0000000..7c57a4d --- /dev/null +++ b/libobjc/objc-private/hash.h @@ -0,0 +1,214 @@ +/* Hash tables for Objective C method dispatch. + Copyright (C) 1993, 1995, 1996, 2004, 2009 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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +/* You need to include this file after including objc.h */ + +#ifndef __hash_INCLUDE_GNU +#define __hash_INCLUDE_GNU + +#include <stddef.h> +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * This data structure is used to hold items + * stored in a hash table. Each node holds + * a key/value pair. + * + * Items in the cache are really of type void *. + */ +typedef struct cache_node +{ + struct cache_node *next; /* Pointer to next entry on the list. + NULL indicates end of list. */ + const void *key; /* Key used to locate the value. Used + to locate value when more than one + key computes the same hash + value. */ + void *value; /* Value stored for the key. */ +} *node_ptr; + + +/* + * This data type is the function that computes a hash code given a key. + * Therefore, the key can be a pointer to anything and the function specific + * to the key type. + * + * Unfortunately there is a mutual data structure reference problem with this + * typedef. Therefore, to remove compiler warnings the functions passed to + * objc_hash_new will have to be casted to this type. + */ +typedef unsigned int (*hash_func_type) (void *, const void *); + +/* + * This data type is the function that compares two hash keys and returns an + * integer greater than, equal to, or less than 0, according as the first + * parameter is lexicographically greater than, equal to, or less than the + * second. + */ + +typedef int (*compare_func_type) (const void *, const void *); + + +/* + * This data structure is the cache. + * + * It must be passed to all of the hashing routines + * (except for new). + */ +typedef struct cache +{ + /* Variables used to implement the hash itself. */ + node_ptr *node_table; /* Pointer to an array of hash nodes. */ + /* Variables used to track the size of the hash table so to determine + when to resize it. */ + unsigned int size; /* Number of buckets allocated for the hash table + (number of array entries allocated for + "node_table"). Must be a power of two. */ + unsigned int used; /* Current number of entries in the hash table. */ + unsigned int mask; /* Precomputed mask. */ + + /* Variables used to implement indexing through the hash table. */ + + unsigned int last_bucket; /* Tracks which entry in the array where + the last value was returned. */ + /* Function used to compute a hash code given a key. + This function is specified when the hash table is created. */ + hash_func_type hash_func; + /* Function used to compare two hash keys to see if they are equal. */ + compare_func_type compare_func; +} *cache_ptr; + + +/* Two important hash tables. */ +extern cache_ptr module_hash_table, class_hash_table; + +/* Allocate and initialize a hash table. */ + +cache_ptr objc_hash_new (unsigned int size, + hash_func_type hash_func, + compare_func_type compare_func); + +/* Deallocate all of the hash nodes and the cache itself. */ + +void objc_hash_delete (cache_ptr cache); + +/* Add the key/value pair to the hash table. If the + hash table reaches a level of fullness then it will be resized. + + assert if the key is already in the hash. */ + +void objc_hash_add (cache_ptr *cachep, const void *key, void *value); + +/* Remove the key/value pair from the hash table. + assert if the key isn't in the table. */ + +void objc_hash_remove (cache_ptr cache, const void *key); + +/* Used to index through the hash table. Start with NULL + to get the first entry. + + Successive calls pass the value returned previously. + ** Don't modify the hash during this operation *** + + Cache nodes are returned such that key or value can + be extracted. */ + +node_ptr objc_hash_next (cache_ptr cache, node_ptr node); + +/* Used to return a value from a hash table using a given key. */ + +void *objc_hash_value_for_key (cache_ptr cache, const void *key); + +/* Used to determine if the given key exists in the hash table */ + +BOOL objc_hash_is_key_in_hash (cache_ptr cache, const void *key); + +/************************************************ + + Useful hashing functions. + + Declared inline for your pleasure. + +************************************************/ + +/* Calculate a hash code by performing some + manipulation of the key pointer. (Use the lowest bits + except for those likely to be 0 due to alignment.) */ + +static inline unsigned int +objc_hash_ptr (cache_ptr cache, const void *key) +{ + return ((size_t)key / sizeof (void *)) & cache->mask; +} + + +/* Calculate a hash code by iterating over a NULL + terminate string. */ +static inline unsigned int +objc_hash_string (cache_ptr cache, const void *key) +{ + unsigned int ret = 0; + unsigned int ctr = 0; + const char *ckey = (const char *) key; + + while (*ckey) { + ret ^= *ckey++ << ctr; + ctr = (ctr + 1) % sizeof (void *); + } + + return ret & cache->mask; +} + + +/* Compare two pointers for equality. */ +static inline int +objc_compare_ptrs (const void *k1, const void *k2) +{ + return (k1 == k2); +} + + +/* Compare two strings. */ +static inline int +objc_compare_strings (const void *k1, const void *k2) +{ + if (k1 == k2) + return 1; + else if (k1 == 0 || k2 == 0) + return 0; + else + return ! strcmp ((const char *) k1, (const char *) k2); +} + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* not __hash_INCLUDE_GNU */ diff --git a/libobjc/objc/objc-list.h b/libobjc/objc-private/objc-list.h index e542bfc..e542bfc 100644 --- a/libobjc/objc/objc-list.h +++ b/libobjc/objc-private/objc-list.h diff --git a/libobjc/objc/hash.h b/libobjc/objc/deprecated/hash.h index 146abd9..52ee8c3 100644 --- a/libobjc/objc/hash.h +++ b/libobjc/objc/deprecated/hash.h @@ -29,7 +29,6 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include <stddef.h> #include <string.h> -#include "objc.h" #ifdef __cplusplus extern "C" { diff --git a/libobjc/objc/deprecated/objc-list.h b/libobjc/objc/deprecated/objc-list.h new file mode 100644 index 0000000..e542bfc --- /dev/null +++ b/libobjc/objc/deprecated/objc-list.h @@ -0,0 +1,155 @@ +/* Generic single linked list to keep various information + Copyright (C) 1993, 1994, 1996, 2009 Free Software Foundation, Inc. + Contributed by Kresten Krab Thorup. + +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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + + +#ifndef __GNU_OBJC_LIST_H +#define __GNU_OBJC_LIST_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +struct objc_list { + void *head; + struct objc_list *tail; +}; + +/* Return a cons cell produced from (head . tail) */ + +static inline struct objc_list* +list_cons(void* head, struct objc_list* tail) +{ + struct objc_list* cell; + + cell = (struct objc_list*)objc_malloc(sizeof(struct objc_list)); + cell->head = head; + cell->tail = tail; + return cell; +} + +/* Return the length of a list, list_length(NULL) returns zero */ + +static inline int +list_length(struct objc_list* list) +{ + int i = 0; + while(list) + { + i += 1; + list = list->tail; + } + return i; +} + +/* Return the Nth element of LIST, where N count from zero. If N + larger than the list length, NULL is returned */ + +static inline void* +list_nth(int indx, struct objc_list* list) +{ + while(indx-- != 0) + { + if(list->tail) + list = list->tail; + else + return 0; + } + return list->head; +} + +/* Remove the element at the head by replacing it by its successor */ + +static inline void +list_remove_head(struct objc_list** list) +{ + if ((*list)->tail) + { + struct objc_list* tail = (*list)->tail; /* fetch next */ + *(*list) = *tail; /* copy next to list head */ + objc_free(tail); /* free next */ + } + else /* only one element in list */ + { + objc_free(*list); + (*list) = 0; + } +} + + +/* Remove the element with `car' set to ELEMENT */ + +static inline void +list_remove_elem(struct objc_list** list, void* elem) +{ + while (*list) { + if ((*list)->head == elem) + list_remove_head(list); + list = &((*list)->tail); + } +} + +/* Map FUNCTION over all elements in LIST */ + +static inline void +list_mapcar(struct objc_list* list, void(*function)(void*)) +{ + while(list) + { + (*function)(list->head); + list = list->tail; + } +} + +/* Return element that has ELEM as car */ + +static inline struct objc_list** +list_find(struct objc_list** list, void* elem) +{ + while(*list) + { + if ((*list)->head == elem) + return list; + list = &((*list)->tail); + } + return NULL; +} + +/* Free list (backwards recursive) */ + +static inline void +list_free(struct objc_list* list) +{ + if(list) + { + list_free(list->tail); + objc_free(list); + } +} + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* not __GNU_OBJC_LIST_H */ diff --git a/libobjc/objc/objc-api.h b/libobjc/objc/objc-api.h index 9fff9e1..524515a 100644 --- a/libobjc/objc/objc-api.h +++ b/libobjc/objc/objc-api.h @@ -28,7 +28,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define __objc_api_INCLUDE_GNU #include "objc.h" -#include "hash.h" +#ifndef GNU_LIBOBJC_COMPILING_LIBOBJC_ITSELF +# include "deprecated/hash.h" +#endif #include "thr.h" #include "objc-decls.h" #include <stdio.h> diff --git a/libobjc/objc/typedstream.h b/libobjc/objc/typedstream.h index 2d4f72d..a39c51b 100644 --- a/libobjc/objc/typedstream.h +++ b/libobjc/objc/typedstream.h @@ -1,4 +1,4 @@ #include "objc.h" -#include "hash.h" +#include "deprecated/hash.h" #include "deprecated/typedstream.h" diff --git a/libobjc/objects.c b/libobjc/objects.c index 0743af4..9c237f4 100644 --- a/libobjc/objects.c +++ b/libobjc/objects.c @@ -23,6 +23,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #include "objc-private/common.h" +#include <string.h> /* For memset */ #include "tconfig.h" /* include defs of bzero for target */ #include "objc/objc.h" #include "objc/objc-api.h" diff --git a/libobjc/sarray.c b/libobjc/sarray.c index dd140c7..e919b7a 100644 --- a/libobjc/sarray.c +++ b/libobjc/sarray.c @@ -29,6 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include "objc/thr.h" #include "objc-private/runtime.h" #include <stdio.h> +#include <string.h> /* For memset */ #include "assert.h" int nbuckets = 0; /* !T:MUTEX */ diff --git a/libobjc/selector.c b/libobjc/selector.c index 52b6ba1..2eaabfe 100644 --- a/libobjc/selector.c +++ b/libobjc/selector.c @@ -26,8 +26,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include "objc/objc.h" #include "objc/objc-api.h" #include "objc/thr.h" -#include "objc/hash.h" -#include "objc/objc-list.h" +#include "objc-private/hash.h" +#include "objc-private/objc-list.h" #include "objc-private/runtime.h" #include "objc/sarray.h" #include "objc/encoding.h" diff --git a/libobjc/sendmsg.c b/libobjc/sendmsg.c index 32d9dc7..15cdae6 100644 --- a/libobjc/sendmsg.c +++ b/libobjc/sendmsg.c @@ -40,6 +40,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #include "objc/sarray.h" #include "objc/encoding.h" #include "runtime-info.h" +#include <string.h> /* For strlen */ /* This is how we hack STRUCT_VALUE to be 1 or 0. */ #define gen_rtx(args...) 1 |