X-Git-Url: https://ginac.de/CLN/cln.git//cln.git?a=blobdiff_plain;f=src%2Fbase%2Fhash%2Fcl_hashset.h;h=c8457e63676dc598f89e82a0ec639e7d8f040ce0;hb=3a895e313b91bd8b23bab81d45efce63ca47cde7;hp=2c13e885cb99f0ac485f5cab3a4c360710179f28;hpb=9220842a1565e6f99cc483d59f042a61aafc5a4e;p=cln.git diff --git a/src/base/hash/cl_hashset.h b/src/base/hash/cl_hashset.h index 2c13e88..c8457e6 100644 --- a/src/base/hash/cl_hashset.h +++ b/src/base/hash/cl_hashset.h @@ -3,14 +3,14 @@ #ifndef _CL_HASHSET_H #define _CL_HASHSET_H -#include "cl_hash.h" -#include "cl_iterator.h" +#include "base/hash/cl_hash.h" +#include "base/cl_iterator.h" namespace cln { // Requirements: // - function bool equal (key1_type,key1_type); -// - function unsigned long hashcode (key1_type); +// - function uintptr_t hashcode (key1_type); template struct cl_htsetentry { @@ -35,10 +35,10 @@ public: // Lookup (htref alias gethash). bool get (const key1_type& key) { - var long index = this->_slots[hashcode(key) % this->_modulus] - 1; + var intptr_t index = this->_slots[hashcode(key) % this->_modulus] - 1; while (index >= 0) { if (!(index < this->_size)) - cl_abort(); + throw runtime_exception(); if (equal(key,this->_entries[index].entry.key)) return true; index = this->_entries[index].next - 1; @@ -48,13 +48,13 @@ public: // Store (htset alias puthash). void put (const key1_type& key) { - var unsigned long hcode = hashcode(key); + var uintptr_t hcode = hashcode(key); // Search whether it is already there. { - var long index = this->_slots[hcode % this->_modulus] - 1; + var intptr_t index = this->_slots[hcode % this->_modulus] - 1; while (index >= 0) { if (!(index < this->_size)) - cl_abort(); + throw runtime_exception(); if (equal(key,this->_entries[index].entry.key)) return; index = this->_entries[index].next - 1; @@ -62,8 +62,8 @@ public: } // Put it into the table. prepare_store(); - var long hindex = hcode % this->_modulus; // _modulus may have changed! - var long index = this->get_free_index(); + var intptr_t hindex = hcode % this->_modulus; // _modulus may have changed! + var intptr_t index = this->get_free_index(); new (&this->_entries[index].entry) cl_htsetentry (key); this->_entries[index].next = this->_slots[hindex]; this->_slots[hindex] = 1+index; @@ -72,11 +72,11 @@ public: // Remove (htrem alias remhash). void remove (const key1_type& key) { - var long* _index = &this->_slots[hashcode(key) % this->_modulus]; + var intptr_t* _index = &this->_slots[hashcode(key) % this->_modulus]; while (*_index > 0) { - var long index = *_index - 1; + var intptr_t index = *_index - 1; if (!(index < this->_size)) - cl_abort(); + throw runtime_exception(); if (equal(key,this->_entries[index].entry.key)) { // Remove _entries[index].entry *_index = this->_entries[index].next; @@ -100,43 +100,35 @@ private: // This may change the table's size! void prepare_store () { - #if !(defined(__sparc__) && !defined(__GNUC__)) if (this->_freelist < -1) return; // Can we make room? - if (_garcol_fun(this)) + if (this->_garcol_fun(this)) if (this->_freelist < -1) return; // No! Have to grow the hash table. grow(); - #else - // workaround Sun C++ 4.1 inline function compiler bug - if (this->_freelist >= -1) { - if (!_garcol_fun(this) || (this->_freelist >= -1)) - grow(); - } - #endif } void grow () { - var long new_size = this->_size + (this->_size >> 1) + 1; // _size*1.5 - var long new_modulus = inherited::compute_modulus(new_size); - var void* new_total_vector = malloc_hook(new_modulus*sizeof(long) + new_size*sizeof(htxentry)); - var long* new_slots = (long*) ((char*)new_total_vector + 0); - var htxentry* new_entries = (htxentry *) ((char*)new_total_vector + new_modulus*sizeof(long)); - for (var long hi = new_modulus-1; hi >= 0; hi--) + var intptr_t new_size = this->_size + (this->_size >> 1) + 1; // _size*1.5 + var intptr_t new_modulus = inherited::compute_modulus(new_size); + var void* new_total_vector = malloc_hook(new_modulus*sizeof(intptr_t) + new_size*sizeof(htxentry)); + var intptr_t* new_slots = (intptr_t*) ((char*)new_total_vector + 0); + var htxentry* new_entries = (htxentry *) ((char*)new_total_vector + new_modulus*sizeof(intptr_t)); + for (var intptr_t hi = new_modulus-1; hi >= 0; hi--) new_slots[hi] = 0; - var long free_list_head = -1; - for (var long i = new_size-1; i >= 0; i--) { + var intptr_t free_list_head = -1; + for (var intptr_t i = new_size-1; i >= 0; i--) { new_entries[i].next = free_list_head; free_list_head = -2-i; } var htxentry* old_entries = this->_entries; - for (var long old_index = 0; old_index < this->_size; old_index++) + for (var intptr_t old_index = 0; old_index < this->_size; old_index++) if (old_entries[old_index].next >= 0) { var key1_type& key = old_entries[old_index].entry.key; - var long hindex = hashcode(key) % new_modulus; - var long index = -2-free_list_head; + var intptr_t hindex = hashcode(key) % new_modulus; + var intptr_t index = -2-free_list_head; free_list_head = new_entries[index].next; new (&new_entries[index].entry) cl_htsetentry (key); new_entries[index].next = new_slots[hindex];