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add dictionary operators

This commit is contained in:
Yuichi Nishiwaki 2014-07-13 12:07:07 +09:00
parent 435e4eb7fe
commit b0474aaec2
2 changed files with 47 additions and 13 deletions
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5
include/picrin/dict.h
View File

@ -19,6 +19,11 @@ struct pic_dict {
struct pic_dict *pic_dict_new(pic_state *); struct pic_dict *pic_dict_new(pic_state *);
pic_value pic_dict_ref(pic_state *, struct pic_dict *, pic_sym);
void pic_dict_set(pic_state *, struct pic_dict *, pic_sym, pic_value);
void pic_dict_del(pic_state *, struct pic_dict *, pic_sym);
size_t pic_dict_size(pic_state *, struct pic_dict *);
#if defined(__cplusplus) #if defined(__cplusplus)
} }
#endif #endif

55
src/dict.c
View File

@ -16,6 +16,44 @@ pic_dict_new(pic_state *pic)
return dict; return dict;
} }
pic_value
pic_dict_ref(pic_state *pic, struct pic_dict *dict, pic_sym key)
{
xh_entry *e;
e = xh_get_int(&dict->hash, key);
if (! e) {
pic_errorf(pic, "element not found for a key: ~s", pic_sym_value(key));
}
return xh_val(e, pic_value);
}
void
pic_dict_set(pic_state *pic, struct pic_dict *dict, pic_sym key, pic_value val)
{
UNUSED(pic);
xh_put_int(&dict->hash, key, &val);
}
size_t
pic_dict_size(pic_state *pic, struct pic_dict *dict)
{
UNUSED(pic);
return dict->hash.count;
}
void
pic_dict_del(pic_state *pic, struct pic_dict *dict, pic_sym key)
{
if (xh_get_int(&dict->hash, key) == NULL) {
pic_errorf(pic, "no slot named ~s found in dictionary", pic_sym_value(key));
}
xh_del_int(&dict->hash, key);
}
static pic_value static pic_value
pic_dict_dict(pic_state *pic) pic_dict_dict(pic_state *pic)
{ {
@ -43,15 +81,10 @@ pic_dict_dict_ref(pic_state *pic)
{ {
struct pic_dict *dict; struct pic_dict *dict;
pic_sym key; pic_sym key;
xh_entry *e;
pic_get_args(pic, "dm", &dict, &key); pic_get_args(pic, "dm", &dict, &key);
e = xh_get_int(&dict->hash, key); return pic_dict_ref(pic, dict , key);
if (! e) {
pic_errorf(pic, "element not found for a key: ~s", pic_sym_value(key));
}
return xh_val(e, pic_value);
} }
static pic_value static pic_value
@ -63,7 +96,7 @@ pic_dict_dict_set(pic_state *pic)
pic_get_args(pic, "dmo", &dict, &key, &val); pic_get_args(pic, "dmo", &dict, &key, &val);
xh_put_int(&dict->hash, key, &val); pic_dict_set(pic, dict, key, val);
return pic_none_value(); return pic_none_value();
} }
@ -76,11 +109,7 @@ pic_dict_dict_del(pic_state *pic)
pic_get_args(pic, "dm", &dict, &key); pic_get_args(pic, "dm", &dict, &key);
if (xh_get_int(&dict->hash, key) == NULL) { pic_dict_del(pic, dict, key);
pic_errorf(pic, "no slot named ~s found in dictionary", pic_sym_value(key));
}
xh_del_int(&dict->hash, key);
return pic_none_value(); return pic_none_value();
} }
@ -92,7 +121,7 @@ pic_dict_dict_size(pic_state *pic)
pic_get_args(pic, "d", &dict); pic_get_args(pic, "d", &dict);
return pic_int_value(dict->hash.count); return pic_int_value(pic_dict_size(pic, dict));
} }
void void