276 lines
5.9 KiB
C
276 lines
5.9 KiB
C
/**
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* See Copyright Notice in picrin.h
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*/
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#include "picrin.h"
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#include "value.h"
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#include "object.h"
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KHASH_DEFINE(dict, symbol *, pic_value, kh_ptr_hash_func, kh_ptr_hash_equal)
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pic_value
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pic_make_dict(pic_state *pic)
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{
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struct dict *dict;
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dict = (struct dict *)pic_obj_alloc(pic, sizeof(struct dict), PIC_TYPE_DICT);
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kh_init(dict, &dict->hash);
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return obj_value(dict);
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}
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pic_value
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pic_dict_ref(pic_state *pic, pic_value dict, pic_value key)
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{
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khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
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int it;
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it = kh_get(dict, h, pic_sym_ptr(pic, key));
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if (it == kh_end(h)) {
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pic_error(pic, "element not found for given key", 1, key);
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}
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return kh_val(h, it);
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}
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void
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pic_dict_set(pic_state *pic, pic_value dict, pic_value key, pic_value val)
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{
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khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
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int ret;
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int it;
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it = kh_put(dict, h, pic_sym_ptr(pic, key), &ret);
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kh_val(h, it) = val;
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}
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int
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pic_dict_size(pic_state *PIC_UNUSED(pic), pic_value dict)
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{
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return kh_size(&pic_dict_ptr(pic, dict)->hash);
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}
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bool
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pic_dict_has(pic_state *pic, pic_value dict, pic_value key)
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{
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khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
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return kh_get(dict, h, pic_sym_ptr(pic, key)) != kh_end(h);
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}
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void
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pic_dict_del(pic_state *pic, pic_value dict, pic_value key)
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{
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khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
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int it;
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it = kh_get(dict, h, pic_sym_ptr(pic, key));
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if (it == kh_end(h)) {
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pic_error(pic, "element not found for given key", 1, key);
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}
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kh_del(dict, h, it);
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}
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bool
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pic_dict_next(pic_state *PIC_UNUSED(pic), pic_value dict, int *iter, pic_value *key, pic_value *val)
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{
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khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
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int it = *iter;
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for (it = *iter; it != kh_end(h); ++it) {
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if (kh_exist(h, it)) {
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if (key) *key = obj_value(kh_key(h, it));
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if (val) *val = kh_val(h, it);
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*iter = ++it;
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return true;
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}
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}
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return false;
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}
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static pic_value
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pic_dict_make_dictionary(pic_state *pic)
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{
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pic_get_args(pic, "");
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return pic_make_dict(pic);
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}
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static pic_value
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pic_dict_dictionary(pic_state *pic)
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{
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pic_value dict, *argv;
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int argc, i;
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pic_get_args(pic, "*", &argc, &argv);
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dict = pic_make_dict(pic);
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for (i = 0; i < argc; i += 2) {
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TYPE_CHECK(pic, argv[i], sym);
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pic_dict_set(pic, dict, argv[i], argv[i+1]);
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}
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return dict;
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}
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static pic_value
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pic_dict_dictionary_p(pic_state *pic)
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{
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pic_value obj;
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pic_get_args(pic, "o", &obj);
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return pic_bool_value(pic, pic_dict_p(pic, obj));
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}
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static pic_value
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pic_dict_dictionary_ref(pic_state *pic)
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{
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pic_value dict, key;
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pic_get_args(pic, "dm", &dict, &key);
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if (! pic_dict_has(pic, dict, key)) {
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return pic_false_value(pic);
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}
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return pic_cons(pic, key, pic_dict_ref(pic, dict, key));
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}
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static pic_value
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pic_dict_dictionary_set(pic_state *pic)
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{
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pic_value dict, key, val;
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pic_get_args(pic, "dmo", &dict, &key, &val);
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if (pic_undef_p(pic, val)) {
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if (pic_dict_has(pic, dict, key)) {
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pic_dict_del(pic, dict, key);
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}
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}
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else {
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pic_dict_set(pic, dict, key, val);
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}
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return pic_undef_value(pic);
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}
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static pic_value
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pic_dict_dictionary_size(pic_state *pic)
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{
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pic_value dict;
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pic_get_args(pic, "d", &dict);
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return pic_int_value(pic, pic_dict_size(pic, dict));
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}
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static pic_value
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pic_dict_dictionary_map(pic_state *pic)
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{
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pic_value dict, proc, key, ret = pic_nil_value(pic);
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int it = 0;
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pic_get_args(pic, "ld", &proc, &dict);
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while (pic_dict_next(pic, dict, &it, &key, NULL)) {
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pic_push(pic, pic_call(pic, proc, 1, key), ret);
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}
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return pic_reverse(pic, ret);
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}
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static pic_value
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pic_dict_dictionary_for_each(pic_state *pic)
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{
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pic_value dict, proc, key;
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int it;
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pic_get_args(pic, "ld", &proc, &dict);
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while (pic_dict_next(pic, dict, &it, &key, NULL)) {
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pic_call(pic, proc, 1, key);
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}
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return pic_undef_value(pic);
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}
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static pic_value
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pic_dict_dictionary_to_alist(pic_state *pic)
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{
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pic_value dict, key, val, alist = pic_nil_value(pic);
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int it = 0;
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pic_get_args(pic, "d", &dict);
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while (pic_dict_next(pic, dict, &it, &key, &val)) {
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pic_push(pic, pic_cons(pic, key, val), alist);
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}
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return alist;
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}
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static pic_value
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pic_dict_alist_to_dictionary(pic_state *pic)
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{
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pic_value dict, alist, e, it;
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pic_get_args(pic, "o", &alist);
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dict = pic_make_dict(pic);
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pic_for_each (e, pic_reverse(pic, alist), it) {
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TYPE_CHECK(pic, pic_car(pic, e), sym);
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pic_dict_set(pic, dict, pic_car(pic, e), pic_cdr(pic, e));
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}
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return dict;
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}
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static pic_value
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pic_dict_dictionary_to_plist(pic_state *pic)
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{
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pic_value dict, key, val, plist = pic_nil_value(pic);
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int it = 0;
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pic_get_args(pic, "d", &dict);
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while (pic_dict_next(pic, dict, &it, &key, &val)) {
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pic_push(pic, val, plist);
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pic_push(pic, key, plist);
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}
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return plist;
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}
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static pic_value
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pic_dict_plist_to_dictionary(pic_state *pic)
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{
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pic_value dict, plist, e;
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pic_get_args(pic, "o", &plist);
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dict = pic_make_dict(pic);
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for (e = pic_reverse(pic, plist); ! pic_nil_p(pic, e); e = pic_cddr(pic, e)) {
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TYPE_CHECK(pic, pic_cadr(pic, e), sym);
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pic_dict_set(pic, dict, pic_cadr(pic, e), pic_car(pic, e));
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}
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return dict;
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}
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void
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pic_init_dict(pic_state *pic)
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{
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pic_defun(pic, "make-dictionary", pic_dict_make_dictionary);
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pic_defun(pic, "dictionary?", pic_dict_dictionary_p);
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pic_defun(pic, "dictionary", pic_dict_dictionary);
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pic_defun(pic, "dictionary-ref", pic_dict_dictionary_ref);
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pic_defun(pic, "dictionary-set!", pic_dict_dictionary_set);
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pic_defun(pic, "dictionary-size", pic_dict_dictionary_size);
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pic_defun(pic, "dictionary-map", pic_dict_dictionary_map);
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pic_defun(pic, "dictionary-for-each", pic_dict_dictionary_for_each);
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pic_defun(pic, "dictionary->alist", pic_dict_dictionary_to_alist);
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pic_defun(pic, "alist->dictionary", pic_dict_alist_to_dictionary);
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pic_defun(pic, "dictionary->plist", pic_dict_dictionary_to_plist);
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pic_defun(pic, "plist->dictionary", pic_dict_plist_to_dictionary);
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}
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