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add pic_senv_new

This commit is contained in:
Yuichi Nishiwaki 2014-07-19 01:40:55 +09:00
parent baeb5f6174
commit d6b6376408
2 changed files with 16 additions and 8 deletions
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2
include/picrin/macro.h
View File

@ -32,6 +32,8 @@ struct pic_senv *pic_null_syntactic_environment(pic_state *);
bool pic_identifier_p(pic_state *pic, pic_value obj);
bool pic_identifier_eq_p(pic_state *, struct pic_senv *, pic_sym, struct pic_senv *, pic_sym);
struct pic_senv *pic_senv_new(pic_state *, struct pic_senv *);
pic_sym pic_add_rename(pic_state *, struct pic_senv *, pic_sym);
bool pic_find_rename(pic_state *, struct pic_senv *, pic_sym, pic_sym * /* = NULL */);
void pic_put_rename(pic_state *, struct pic_senv *, pic_sym, pic_sym);

22
src/macro.c
View File

@ -210,9 +210,7 @@ macroexpand_lambda(pic_state *pic, pic_value expr, struct pic_senv *senv)
pic_error(pic, "syntax error");
}
in = (struct pic_senv *)pic_obj_alloc(pic, sizeof(struct pic_senv), PIC_TT_SENV);
in->up = senv;
xh_init_int(&in->map, sizeof(pic_sym));
in = pic_senv_new(pic, senv);
for (a = pic_cadr(pic, expr); pic_pair_p(a); a = pic_cdr(pic, a)) {
pic_value v = pic_car(pic, a);
@ -372,9 +370,7 @@ macroexpand_let_syntax(pic_state *pic, pic_value expr, struct pic_senv *senv)
pic_value formal, v, var, val;
pic_sym sym, rename;
in = (struct pic_senv *)pic_obj_alloc(pic, sizeof(struct pic_senv), PIC_TT_SENV);
in->up = senv;
xh_init_int(&in->map, sizeof(pic_sym));
in = pic_senv_new(pic, senv);
if (pic_length(pic, expr) < 2) {
pic_error(pic, "syntax error");
@ -563,14 +559,24 @@ pic_macroexpand(pic_state *pic, pic_value expr)
}
struct pic_senv *
pic_null_syntactic_environment(pic_state *pic)
pic_senv_new(pic_state *pic, struct pic_senv *up)
{
struct pic_senv *senv;
senv = (struct pic_senv *)pic_obj_alloc(pic, sizeof(struct pic_senv), PIC_TT_SENV);
senv->up = NULL;
senv->up = up;
xh_init_int(&senv->map, sizeof(pic_sym));
return senv;
}
struct pic_senv *
pic_null_syntactic_environment(pic_state *pic)
{
struct pic_senv *senv;
senv = pic_senv_new(pic, NULL);
pic_define_syntactic_keyword(pic, senv, pic->sDEFINE_LIBRARY, pic->rDEFINE_LIBRARY);
pic_define_syntactic_keyword(pic, senv, pic->sIMPORT, pic->rIMPORT);
pic_define_syntactic_keyword(pic, senv, pic->sEXPORT, pic->rEXPORT);