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don't use dictionaries as import_table

This commit is contained in:
Yuichi Nishiwaki 2014-09-15 12:32:20 +09:00
parent 0ae0618edf
commit fc9f09e05b
1 changed files with 36 additions and 32 deletions
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68
lib.c
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@ -7,7 +7,6 @@
#include "picrin/pair.h"
#include "picrin/macro.h"
#include "picrin/error.h"
#include "picrin/dict.h"
#include "picrin/string.h"
#include "picrin/proc.h"
@ -65,55 +64,54 @@ pic_find_library(pic_state *pic, pic_value spec)
return pic_lib_ptr(pic_cdr(pic, v));
}
static struct pic_dict *
import_table(pic_state *pic, pic_value spec)
static void
import_table(pic_state *pic, pic_value spec, xhash *imports)
{
const pic_sym sONLY = pic_intern_cstr(pic, "only");
const pic_sym sRENAME = pic_intern_cstr(pic, "rename");
const pic_sym sPREFIX = pic_intern_cstr(pic, "prefix");
const pic_sym sEXCEPT = pic_intern_cstr(pic, "except");
struct pic_lib *lib;
struct pic_dict *imports, *dict;
pic_value val, id;
pic_sym sym;
xhash table;
pic_value val;
pic_sym sym, id;
xh_iter it;
imports = pic_make_dict(pic);
xh_init_int(&table, sizeof(pic_sym));
if (pic_list_p(spec)) {
if (pic_eq_p(pic_car(pic, spec), pic_sym_value(sONLY))) {
dict = import_table(pic, pic_cadr(pic, spec));
import_table(pic, pic_cadr(pic, spec), &table);
pic_for_each (val, pic_cddr(pic, spec)) {
pic_dict_set(pic, imports, pic_sym(val), pic_dict_ref(pic, dict, pic_sym(val)));
xh_put_int(imports, pic_sym(val), &xh_val(xh_get_int(&table, pic_sym(val)), pic_sym));
}
return imports;
goto exit;
}
if (pic_eq_p(pic_car(pic, spec), pic_sym_value(sRENAME))) {
imports = import_table(pic, pic_cadr(pic, spec));
import_table(pic, pic_cadr(pic, spec), imports);
pic_for_each (val, pic_cddr(pic, spec)) {
id = pic_dict_ref(pic, imports, pic_sym(pic_car(pic, val)));
pic_dict_del(pic, imports, pic_sym(pic_car(pic, val)));
pic_dict_set(pic, imports, pic_sym(pic_cadr(pic, val)), id);
id = xh_val(xh_get_int(imports, pic_sym(pic_car(pic, val))), pic_sym);
xh_del_int(imports, pic_sym(pic_car(pic, val)));
xh_put_int(imports, pic_sym(pic_cadr(pic, val)), &id);
}
return imports;
goto exit;
}
if (pic_eq_p(pic_car(pic, spec), pic_sym_value(sPREFIX))) {
dict = import_table(pic, pic_cadr(pic, spec));
xh_begin(&it, &dict->hash);
import_table(pic, pic_cadr(pic, spec), &table);
xh_begin(&it, &table);
while (xh_next(&it)) {
id = pic_sym_value(xh_key(it.e, pic_sym));
val = pic_list_ref(pic, spec, 2);
sym = pic_intern_str(pic, pic_format(pic, "~s~s", val, id));
pic_dict_set(pic, imports, sym, xh_val(it.e, pic_value));
sym = pic_intern_str(pic, pic_format(pic, "~s~s", val, pic_sym_value(xh_key(it.e, pic_sym))));
xh_put_int(imports, sym, &xh_val(it.e, pic_sym));
}
return imports;
goto exit;
}
if (pic_eq_p(pic_car(pic, spec), pic_sym_value(sEXCEPT))) {
imports = import_table(pic, pic_cadr(pic, spec));
import_table(pic, pic_cadr(pic, spec), imports);
pic_for_each (val, pic_cddr(pic, spec)) {
pic_dict_del(pic, imports, pic_sym(val));
xh_del_int(imports, pic_sym(val));
}
return imports;
goto exit;
}
}
lib = pic_find_library(pic, spec);
@ -122,28 +120,34 @@ import_table(pic_state *pic, pic_value spec)
}
xh_begin(&it, &lib->exports);
while (xh_next(&it)) {
pic_dict_set(pic, imports, xh_key(it.e, pic_sym), pic_sym_value(xh_val(it.e, pic_sym)));
xh_put_int(imports, xh_key(it.e, pic_sym), &xh_val(it.e, pic_sym));
}
return imports;
exit:
xh_destroy(&table);
}
static void
import(pic_state *pic, pic_value spec)
{
struct pic_dict *imports;
xhash imports;
xh_iter it;
imports = import_table(pic, spec);
xh_init_int(&imports, sizeof(pic_sym)); /* pic_sym to pic_sym */
xh_begin(&it, &imports->hash);
import_table(pic, spec, &imports);
xh_begin(&it, &imports);
while (xh_next(&it)) {
#if DEBUG
printf("* importing %s as %s\n", pic_symbol_name(pic, xh_key(it.e, pic_sym)), pic_symbol_name(pic, pic_sym(xh_val(it.e, pic_value))));
#if 1
printf("* importing %s as %s\n", pic_symbol_name(pic, xh_key(it.e, pic_sym)), pic_symbol_name(pic, xh_val(it.e, pic_sym)));
#endif
pic_put_rename(pic, pic->lib->env, xh_key(it.e, pic_sym), pic_sym(xh_val(it.e, pic_value)));
pic_put_rename(pic, pic->lib->env, xh_key(it.e, pic_sym), xh_val(it.e, pic_sym));
}
xh_destroy(&imports);
}
static void