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- #if !__OBJC2__
- #include "objc-private.h"
- #include "objc-sel-set.h"
- #if SUPPORT_PREOPT
- #include <objc-shared-cache.h>
- static const objc_selopt_t *builtins = NULL;
- #endif
- __BEGIN_DECLS
- static size_t SelrefCount = 0;
- static const char *_objc_empty_selector = "";
- static struct __objc_sel_set *_objc_selectors = NULL;
- static SEL _objc_search_builtins(const char *key)
- {
- #if defined(DUMP_SELECTORS)
- if (NULL != key) printf("\t\"%s\",\n", key);
- #endif
- if (!key) return (SEL)0;
- if ('\0' == *key) return (SEL)_objc_empty_selector;
- #if SUPPORT_PREOPT
- if (builtins) return (SEL)builtins->get(key);
- #endif
- return (SEL)0;
- }
- const char *sel_getName(SEL sel) {
- return sel ? (const char *)sel : "<null selector>";
- }
- BOOL sel_isMapped(SEL name)
- {
- SEL sel;
-
- if (!name) return NO;
- sel = _objc_search_builtins((const char *)name);
- if (sel) return YES;
- mutex_locker_t lock(selLock);
- if (_objc_selectors) {
- sel = __objc_sel_set_get(_objc_selectors, name);
- }
- return bool(sel);
- }
- static SEL __sel_registerName(const char *name, bool shouldLock, bool copy)
- {
- SEL result = 0;
- if (shouldLock) selLock.assertUnlocked();
- else selLock.assertLocked();
- if (!name) return (SEL)0;
- result = _objc_search_builtins(name);
- if (result) return result;
- conditional_mutex_locker_t lock(selLock, shouldLock);
- if (_objc_selectors) {
- result = __objc_sel_set_get(_objc_selectors, (SEL)name);
- }
- if (result) return result;
-
- if (!_objc_selectors) {
- _objc_selectors = __objc_sel_set_create(SelrefCount);
- }
- if (!result) {
- result = (SEL)(copy ? strdup(name) : name);
- __objc_sel_set_add(_objc_selectors, result);
- #if defined(DUMP_UNKNOWN_SELECTORS)
- printf("\t\"%s\",\n", name);
- #endif
- }
- return result;
- }
- SEL sel_registerName(const char *name) {
- return __sel_registerName(name, 1, 1);
- }
- SEL sel_registerNameNoLock(const char *name, bool copy) {
- return __sel_registerName(name, 0, copy);
- }
- SEL sel_getUid(const char *name) {
- return __sel_registerName(name, 2, 1);
- }
- BOOL sel_isEqual(SEL lhs, SEL rhs)
- {
- return bool(lhs == rhs);
- }
- void sel_init(size_t selrefCount)
- {
-
- SelrefCount = selrefCount;
- #if SUPPORT_PREOPT
- builtins = preoptimizedSelectors();
- #endif
-
- #define s(x) SEL_##x = sel_registerNameNoLock(#x, NO)
- #define t(x,y) SEL_##y = sel_registerNameNoLock(#x, NO)
- mutex_locker_t lock(selLock);
- s(load);
- s(initialize);
- t(resolveInstanceMethod:, resolveInstanceMethod);
- t(resolveClassMethod:, resolveClassMethod);
- t(.cxx_construct, cxx_construct);
- t(.cxx_destruct, cxx_destruct);
- s(retain);
- s(release);
- s(autorelease);
- s(retainCount);
- s(alloc);
- t(allocWithZone:, allocWithZone);
- s(dealloc);
- s(copy);
- s(new);
- t(forwardInvocation:, forwardInvocation);
- t(_tryRetain, tryRetain);
- t(_isDeallocating, isDeallocating);
- s(retainWeakReference);
- s(allowsWeakReference);
- extern SEL FwdSel;
- FwdSel = sel_registerNameNoLock("forward::", NO);
- #undef s
- #undef t
- }
- __END_DECLS
- #endif
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