mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-23 14:55:48 +03:00
711 lines
14 KiB
C
711 lines
14 KiB
C
/* g/h.c
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**
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*/
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#include "all.h"
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static void* _ch_some_add(void* han_v, c3_w, c3_w, u3_noun);
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static void* _ch_some_new(c3_w lef_w);
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/* u3h_new(): create hashtable.
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*/
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u3p(u3h_root)
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u3h_new(void)
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{
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u3h_root* har_u = u3a_walloc(c3_wiseof(u3h_root));
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u3p(u3h_root) har_p = u3of(u3h_root, har_u);
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c3_w i_w;
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har_u->clk_w = 0;
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for ( i_w = 0; i_w < 64; i_w++ ) {
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har_u->sot_w[i_w] = 0;
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}
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return har_p;
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}
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/* _ch_popcount(): number of bits set in word. A standard intrinsic.
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*/
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static c3_w
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_ch_popcount(c3_w num_w)
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{
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return __builtin_popcount(num_w);
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}
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/* _ch_buck_new(): create new, empty bucket.
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*/
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static u3h_buck*
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_ch_buck_new(void)
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{
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u3h_buck* hab_u = u3a_walloc(c3_wiseof(u3h_buck));
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hab_u->len_w = 0;
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return hab_u;
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}
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/* ha_buck_add(): add to bucket.
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*/
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static u3h_buck*
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_ch_buck_add(u3h_buck* hab_u, u3_noun kev)
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{
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c3_w i_w;
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for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
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if ( c3y == u3r_sing(u3h(kev), u3h(hab_u->kev[i_w])) ) {
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u3a_lose(hab_u->kev[i_w]);
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hab_u->kev[i_w] = kev;
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return hab_u;
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}
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}
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{
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c3_w len_w = hab_u->len_w;
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u3h_buck* bah_u = u3a_walloc(c3_wiseof(u3h_buck) +
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(len_w + 1) * c3_wiseof(u3_noun));
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bah_u->len_w = len_w + 1;
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bah_u->kev[0] = kev;
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// Optimize: use u3a_wealloc().
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//
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for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
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bah_u->kev[i_w + 1] = hab_u->kev[i_w];
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}
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u3a_wfree(hab_u);
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return bah_u;
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}
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}
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/* _ch_node_new(): create new, empty node.
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*/
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static u3h_node*
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_ch_node_new(void)
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{
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u3h_node* han_u = u3a_walloc(c3_wiseof(u3h_node));
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han_u->map_w = 0;
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return han_u;
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}
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/* _ch_node_add(): add to node.
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*/
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static u3h_node*
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_ch_node_add(u3h_node* han_u, c3_w lef_w, c3_w rem_w, u3_noun kev)
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{
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c3_w bit_w, inx_w, map_w, i_w;
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lef_w -= 5;
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bit_w = (rem_w >> lef_w);
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rem_w = (rem_w & ((1 << lef_w) - 1));
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map_w = han_u->map_w;
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inx_w = _ch_popcount(map_w & ((1 << bit_w) - 1));
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if ( map_w & (1 << bit_w) ) {
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c3_w sot_w = han_u->sot_w[inx_w];
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if ( _(u3h_slot_is_node(sot_w)) ) {
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void* hav_v = u3h_slot_to_node(sot_w);
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hav_v = _ch_some_add(hav_v, lef_w, rem_w, kev);
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han_u->sot_w[inx_w] = u3h_node_to_slot(hav_v);
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return han_u;
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}
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else {
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u3_noun kov = u3h_slot_to_noun(sot_w);
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if ( c3y == u3r_sing(u3h(kev), u3h(kov)) ) {
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u3a_lose(kov);
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han_u->sot_w[inx_w] = u3h_noun_to_slot(kev);
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return han_u;
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}
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else {
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c3_w rom_w = u3r_mug(u3h(kov)) & ((1 << lef_w) - 1);
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void* hav_v = _ch_some_new(lef_w);
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// Optimize: need a custom collision create.
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//
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hav_v = _ch_some_add(hav_v, lef_w, rem_w, kev);
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hav_v = _ch_some_add(hav_v, lef_w, rom_w, kov);
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han_u->sot_w[inx_w] = u3h_node_to_slot(hav_v);
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return han_u;
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}
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}
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}
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else {
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// Optimize: use u3a_wealloc.
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//
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c3_w len_w = _ch_popcount(map_w);
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u3h_node* nah_u = u3a_walloc(c3_wiseof(u3h_node) +
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((len_w + 1) * c3_wiseof(u3h_slot)));
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nah_u->map_w = han_u->map_w | (1 << bit_w);
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for ( i_w = 0; i_w < inx_w; i_w++ ) {
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nah_u->sot_w[i_w] = han_u->sot_w[i_w];
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}
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nah_u->sot_w[inx_w] = u3h_noun_to_slot(kev);
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for ( i_w = inx_w; i_w < len_w; i_w++ ) {
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nah_u->sot_w[i_w + 1] = han_u->sot_w[i_w];
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}
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u3a_wfree(han_u);
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return nah_u;
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}
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}
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/* _ch_some_new(): create node or bucket.
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*/
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static void*
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_ch_some_new(c3_w lef_w)
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{
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if ( 0 == lef_w ) {
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return _ch_buck_new();
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}
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else {
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return _ch_node_new();
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}
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}
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/* _ch_some_add(): add to node or bucket.
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*/
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static void*
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_ch_some_add(void* han_v, c3_w lef_w, c3_w rem_w, u3_noun kev)
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{
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if ( 0 == lef_w ) {
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return _ch_buck_add(han_v, kev);
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}
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else return _ch_node_add(han_v, lef_w, rem_w, kev);
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}
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/* u3h_put(): insert in hashtable.
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**
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** `key` is RETAINED; `val` is transferred.
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*/
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void
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u3h_put(u3p(u3h_root) har_p, u3_noun key, u3_noun val)
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{
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u3h_root* har_u = u3to(u3h_root, har_p);
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u3_noun kev = u3nc(u3k(key), val);
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c3_w mug_w = u3r_mug(key);
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c3_w inx_w = (mug_w >> 25);
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c3_w rem_w = (mug_w & ((1 << 25) - 1));
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c3_w sot_w = har_u->sot_w[inx_w];
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if ( _(u3h_slot_is_null(sot_w)) ) {
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har_u->sot_w[inx_w] = u3h_noun_to_slot(kev);
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}
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else {
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u3h_node* han_u;
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if ( _(u3h_slot_is_noun(sot_w)) ) {
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u3_noun kov = u3h_slot_to_noun(sot_w);
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c3_w rom_w = u3r_mug(u3h(kov)) & ((1 << 25) - 1);
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han_u = _ch_node_new();
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han_u = _ch_node_add(han_u, 25, rem_w, kev);
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han_u = _ch_node_add(han_u, 25, rom_w, kov);
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}
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else {
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han_u = _ch_node_add(u3h_slot_to_node(sot_w), 25, rem_w, kev);
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}
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har_u->sot_w[inx_w] = u3h_node_to_slot(han_u);
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}
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}
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/* _ch_buck_hum(): read in bucket.
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*/
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static c3_o
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_ch_buck_hum(u3h_buck* hab_u, c3_w mug_w)
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{
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c3_w i_w;
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for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
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if ( mug_w == u3r_mug(u3h(hab_u->kev[i_w])) ) {
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return c3y;
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}
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}
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return c3n;
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}
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/* _ch_node_hum(): read in node.
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*/
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static c3_o
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_ch_node_hum(u3h_node* han_u, c3_w lef_w, c3_w rem_w, c3_w mug_w)
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{
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c3_w bit_w, map_w;
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lef_w -= 5;
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bit_w = (rem_w >> lef_w);
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rem_w = (rem_w & ((1 << lef_w) - 1));
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map_w = han_u->map_w;
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if ( !(map_w & (1 << bit_w)) ) {
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return c3n;
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}
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else {
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c3_w inx_w = _ch_popcount(map_w & ((1 << bit_w) - 1));
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c3_w sot_w = han_u->sot_w[inx_w];
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if ( _(u3h_slot_is_noun(sot_w)) ) {
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u3_noun kev = u3h_slot_to_noun(sot_w);
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if ( mug_w == u3r_mug(u3h(kev)) ) {
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return c3y;
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}
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else {
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return c3n;
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}
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}
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else {
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void* hav_v = u3h_slot_to_node(sot_w);
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if ( 0 == lef_w ) {
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return _ch_buck_hum(hav_v, mug_w);
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}
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else return _ch_node_hum(hav_v, lef_w, rem_w, mug_w);
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}
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}
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}
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/* u3h_hum(): read from hashtable.
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**
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** `key` is RETAINED.
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*/
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c3_o
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u3h_hum(u3p(u3h_root) har_p, c3_w mug_w)
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{
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u3h_root* har_u = u3to(u3h_root, har_p);
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c3_w inx_w = (mug_w >> 25);
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c3_w rem_w = (mug_w & ((1 << 25) - 1));
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c3_w sot_w = har_u->sot_w[inx_w];
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if ( _(u3h_slot_is_null(sot_w)) ) {
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return c3n;
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}
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else if ( _(u3h_slot_is_noun(sot_w)) ) {
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u3_noun kev = u3h_slot_to_noun(sot_w);
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if ( mug_w == u3r_mug(u3h(kev)) ) {
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return c3y;
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}
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else {
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return c3n;
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}
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}
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else {
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u3h_node* han_u = u3h_slot_to_node(sot_w);
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return _ch_node_hum(han_u, 25, rem_w, mug_w);
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}
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}
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/* _ch_buck_git(): read in bucket.
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*/
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static u3_weak
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_ch_buck_git(u3h_buck* hab_u, u3_noun key)
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{
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c3_w i_w;
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for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
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if ( _(u3r_sing(key, u3h(hab_u->kev[i_w]))) ) {
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return u3t(hab_u->kev[i_w]);
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}
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}
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return u3_none;
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}
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/* _ch_node_git(): read in node.
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*/
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static u3_weak
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_ch_node_git(u3h_node* han_u, c3_w lef_w, c3_w rem_w, u3_noun key)
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{
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c3_w bit_w, map_w;
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lef_w -= 5;
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bit_w = (rem_w >> lef_w);
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rem_w = (rem_w & ((1 << lef_w) - 1));
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map_w = han_u->map_w;
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if ( !(map_w & (1 << bit_w)) ) {
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return u3_none;
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}
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else {
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c3_w inx_w = _ch_popcount(map_w & ((1 << bit_w) - 1));
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c3_w sot_w = han_u->sot_w[inx_w];
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if ( _(u3h_slot_is_noun(sot_w)) ) {
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u3_noun kev = u3h_slot_to_noun(sot_w);
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if ( _(u3r_sing(key, u3h(kev))) ) {
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return u3t(kev);
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}
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else {
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return u3_none;
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}
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}
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else {
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void* hav_v = u3h_slot_to_node(sot_w);
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if ( 0 == lef_w ) {
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return _ch_buck_git(hav_v, key);
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}
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else return _ch_node_git(hav_v, lef_w, rem_w, key);
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}
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}
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}
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/* u3h_git(): read from hashtable.
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**
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** `key` is RETAINED; result is RETAINED.
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*/
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u3_weak
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u3h_git(u3p(u3h_root) har_p, u3_noun key)
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{
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u3h_root* har_u = u3to(u3h_root, har_p);
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c3_w mug_w = u3r_mug(key);
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c3_w inx_w = (mug_w >> 25);
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c3_w rem_w = (mug_w & ((1 << 25) - 1));
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c3_w sot_w = har_u->sot_w[inx_w];
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if ( _(u3h_slot_is_null(sot_w)) ) {
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return u3_none;
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}
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else if ( _(u3h_slot_is_noun(sot_w)) ) {
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u3_noun kev = u3h_slot_to_noun(sot_w);
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if ( _(u3r_sing(key, u3h(kev))) ) {
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har_u->sot_w[inx_w] = u3h_noun_be_warm(sot_w);
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return u3t(kev);
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}
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else {
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return u3_none;
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}
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}
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else {
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u3h_node* han_u = u3h_slot_to_node(sot_w);
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return _ch_node_git(han_u, 25, rem_w, key);
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}
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}
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/* u3h_get(): read from hashtable.
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**
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** `key` is RETAINED; result is PRODUCED.
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*/
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u3_weak
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u3h_get(u3p(u3h_root) har_p, u3_noun key)
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{
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u3_noun pro = u3h_git(har_p, key);
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if ( u3_none != pro ) {
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u3a_gain(pro);
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}
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return pro;
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}
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/* _ch_buck_gut(): read in bucket, unifying key nouns.
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*/
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static u3_weak
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_ch_buck_gut(u3h_buck* hab_u, u3_noun key)
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{
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c3_w i_w;
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for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
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if ( _(u3r_sung(key, u3h(hab_u->kev[i_w]))) ) {
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return u3a_gain(u3t(hab_u->kev[i_w]));
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}
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}
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return u3_none;
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}
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/* _ch_node_gut(): read in node, unifying key nouns.
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*/
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static u3_weak
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_ch_node_gut(u3h_node* han_u, c3_w lef_w, c3_w rem_w, u3_noun key)
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{
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c3_w bit_w, map_w;
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lef_w -= 5;
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bit_w = (rem_w >> lef_w);
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rem_w = (rem_w & ((1 << lef_w) - 1));
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map_w = han_u->map_w;
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if ( !(map_w & (1 << bit_w)) ) {
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return u3_none;
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}
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else {
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c3_w inx_w = _ch_popcount(map_w & ((1 << bit_w) - 1));
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c3_w sot_w = han_u->sot_w[inx_w];
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if ( _(u3h_slot_is_noun(sot_w)) ) {
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u3_noun kev = u3h_slot_to_noun(sot_w);
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if ( _(u3r_sung(key, u3h(kev))) ) {
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return u3a_gain(u3t(kev));
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}
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else {
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return u3_none;
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}
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}
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else {
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void* hav_v = u3h_slot_to_node(sot_w);
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if ( 0 == lef_w ) {
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return _ch_buck_gut(hav_v, key);
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}
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else return _ch_node_gut(hav_v, lef_w, rem_w, key);
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}
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}
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}
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/* u3h_gut(): read from hashtable, unifying key nouns.
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**
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** `key` is RETAINED.
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*/
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u3_weak
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u3h_gut(u3p(u3h_root) har_p, u3_noun key)
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{
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u3h_root* har_u = u3to(u3h_root, har_p);
|
|
c3_w mug_w = u3r_mug(key);
|
|
c3_w inx_w = (mug_w >> 25);
|
|
c3_w rem_w = (mug_w & ((1 << 25) - 1));
|
|
c3_w sot_w = har_u->sot_w[inx_w];
|
|
|
|
if ( _(u3h_slot_is_null(sot_w)) ) {
|
|
return u3_none;
|
|
}
|
|
else if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
if ( _(u3r_sung(key, u3h(kev))) ) {
|
|
har_u->sot_w[inx_w] = u3h_noun_be_warm(sot_w);
|
|
return u3a_gain(u3t(kev));
|
|
}
|
|
else {
|
|
return u3_none;
|
|
}
|
|
}
|
|
else {
|
|
u3h_node* han_u = u3h_slot_to_node(sot_w);
|
|
|
|
return _ch_node_gut(han_u, 25, rem_w, key);
|
|
}
|
|
}
|
|
|
|
/* _ch_free_buck(): free bucket
|
|
*/
|
|
static void
|
|
_ch_free_buck(u3h_buck* hab_u)
|
|
{
|
|
c3_w i_w;
|
|
|
|
for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
|
|
u3a_lose(hab_u->kev[i_w]);
|
|
}
|
|
u3a_wfree(hab_u);
|
|
}
|
|
|
|
/* _ch_free_node(): free node.
|
|
*/
|
|
static void
|
|
_ch_free_node(u3h_node* han_u, c3_w lef_w)
|
|
{
|
|
c3_w len_w = _ch_popcount(han_u->map_w);
|
|
c3_w i_w;
|
|
|
|
lef_w -= 5;
|
|
|
|
for ( i_w = 0; i_w < len_w; i_w++ ) {
|
|
c3_w sot_w = han_u->sot_w[i_w];
|
|
|
|
if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
u3a_lose(kev);
|
|
}
|
|
else {
|
|
void* hav_v = u3h_slot_to_node(sot_w);
|
|
|
|
if ( 0 == lef_w ) {
|
|
_ch_free_buck(hav_v);
|
|
} else {
|
|
_ch_free_node(hav_v, lef_w);
|
|
}
|
|
}
|
|
}
|
|
u3a_wfree(han_u);
|
|
}
|
|
|
|
/* u3h_free(): free hashtable.
|
|
*/
|
|
void
|
|
u3h_free(u3p(u3h_root) har_p)
|
|
{
|
|
u3h_root* har_u = u3to(u3h_root, har_p);
|
|
c3_w i_w;
|
|
|
|
for ( i_w = 0; i_w < 64; i_w++ ) {
|
|
c3_w sot_w = har_u->sot_w[i_w];
|
|
|
|
if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
u3a_lose(kev);
|
|
}
|
|
else if ( _(u3h_slot_is_node(sot_w)) ) {
|
|
u3h_node* han_u = u3h_slot_to_node(sot_w);
|
|
|
|
_ch_free_node(han_u, 25);
|
|
}
|
|
}
|
|
u3a_wfree(har_u);
|
|
}
|
|
|
|
/* _ch_walk_buck(): walk bucket for gc.
|
|
*/
|
|
static void
|
|
_ch_walk_buck(u3h_buck* hab_u, void (*fun_f)(u3_noun))
|
|
{
|
|
c3_w i_w;
|
|
|
|
for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
|
|
fun_f(hab_u->kev[i_w]);
|
|
}
|
|
}
|
|
|
|
/* _ch_walk_node(): walk node for gc.
|
|
*/
|
|
static void
|
|
_ch_walk_node(u3h_node* han_u, c3_w lef_w, void (*fun_f)(u3_noun))
|
|
{
|
|
c3_w len_w = _ch_popcount(han_u->map_w);
|
|
c3_w i_w;
|
|
|
|
lef_w -= 5;
|
|
|
|
for ( i_w = 0; i_w < len_w; i_w++ ) {
|
|
c3_w sot_w = han_u->sot_w[i_w];
|
|
|
|
if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
fun_f(kev);
|
|
}
|
|
else {
|
|
void* hav_v = u3h_slot_to_node(sot_w);
|
|
|
|
if ( 0 == lef_w ) {
|
|
_ch_walk_buck(hav_v, fun_f);
|
|
} else {
|
|
_ch_walk_node(hav_v, lef_w, fun_f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* u3h_walk(): walk hashtable for gc.
|
|
*/
|
|
void
|
|
u3h_walk(u3p(u3h_root) har_p, void (*fun_f)(u3_noun))
|
|
{
|
|
u3h_root* har_u = u3to(u3h_root, har_p);
|
|
c3_w i_w;
|
|
|
|
for ( i_w = 0; i_w < 64; i_w++ ) {
|
|
c3_w sot_w = har_u->sot_w[i_w];
|
|
|
|
if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
fun_f(kev);
|
|
}
|
|
else if ( _(u3h_slot_is_node(sot_w)) ) {
|
|
u3h_node* han_u = u3h_slot_to_node(sot_w);
|
|
|
|
_ch_walk_node(han_u, 25, fun_f);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* _ch_mark_buck(): mark bucket for gc.
|
|
*/
|
|
c3_w
|
|
_ch_mark_buck(u3h_buck* hab_u)
|
|
{
|
|
c3_w tot_w = 0;
|
|
c3_w i_w;
|
|
|
|
for ( i_w = 0; i_w < hab_u->len_w; i_w++ ) {
|
|
tot_w += u3a_mark_noun(hab_u->kev[i_w]);
|
|
}
|
|
tot_w += u3a_mark_ptr(hab_u);
|
|
|
|
return tot_w;
|
|
}
|
|
|
|
/* _ch_mark_node(): mark node for gc.
|
|
*/
|
|
c3_w
|
|
_ch_mark_node(u3h_node* han_u, c3_w lef_w)
|
|
{
|
|
c3_w tot_w = 0;
|
|
c3_w len_w = _ch_popcount(han_u->map_w);
|
|
c3_w i_w;
|
|
|
|
lef_w -= 5;
|
|
|
|
for ( i_w = 0; i_w < len_w; i_w++ ) {
|
|
c3_w sot_w = han_u->sot_w[i_w];
|
|
|
|
if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
tot_w += u3a_mark_noun(kev);
|
|
}
|
|
else {
|
|
void* hav_v = u3h_slot_to_node(sot_w);
|
|
|
|
if ( 0 == lef_w ) {
|
|
tot_w += _ch_mark_buck(hav_v);
|
|
} else {
|
|
tot_w += _ch_mark_node(hav_v, lef_w);
|
|
}
|
|
}
|
|
}
|
|
|
|
tot_w += u3a_mark_ptr(han_u);
|
|
|
|
return tot_w;
|
|
}
|
|
|
|
/* u3h_mark(): mark hashtable for gc.
|
|
*/
|
|
c3_w
|
|
u3h_mark(u3p(u3h_root) har_p)
|
|
{
|
|
c3_w tot_w = 0;
|
|
u3h_root* har_u = u3to(u3h_root, har_p);
|
|
c3_w i_w;
|
|
|
|
for ( i_w = 0; i_w < 64; i_w++ ) {
|
|
c3_w sot_w = har_u->sot_w[i_w];
|
|
|
|
if ( _(u3h_slot_is_noun(sot_w)) ) {
|
|
u3_noun kev = u3h_slot_to_noun(sot_w);
|
|
|
|
tot_w += u3a_mark_noun(kev);
|
|
}
|
|
else if ( _(u3h_slot_is_node(sot_w)) ) {
|
|
u3h_node* han_u = u3h_slot_to_node(sot_w);
|
|
|
|
tot_w += _ch_mark_node(han_u, 25);
|
|
}
|
|
}
|
|
|
|
tot_w += u3a_mark_ptr(har_u);
|
|
|
|
return tot_w;
|
|
}
|