conservatory
/
picrin
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s/senv_new_local/push_scope/g

This commit is contained in:
Yuichi Nishiwaki 2014-04-05 01:20:19 +09:00
parent a94938c2f8
commit 0d0d4e6482
1 changed files with 33 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
src/macro.c
View File

@ -60,37 +60,6 @@ senv_new(pic_state *pic, struct pic_senv *up)
return senv;
}
static struct pic_senv *
senv_new_local(pic_state *pic, pic_value formals, struct pic_senv *up, pic_value assoc_box)
{
struct pic_senv *senv;
pic_value a;
senv = senv_new(pic, up);
for (a = formals; pic_pair_p(a); a = pic_cdr(pic, a)) {
pic_value v = pic_car(pic, a);
if (! pic_sym_p(v)) {
v = macroexpand(pic, v, up, assoc_box);
}
if (! pic_sym_p(v)) {
pic_error(pic, "syntax error");
}
pic_add_rename(pic, senv, pic_sym(v));
}
if (! pic_sym_p(a)) {
a = macroexpand(pic, a, up, assoc_box);
}
if (pic_sym_p(a)) {
pic_add_rename(pic, senv, pic_sym(a));
}
else if (! pic_nil_p(a)) {
pic_error(pic, "syntax error");
}
return senv;
}
struct pic_senv *
pic_null_syntactic_env(pic_state *pic)
{
@ -125,6 +94,37 @@ pic_core_syntactic_env(pic_state *pic)
return senv;
}
static struct pic_senv *
push_scope(pic_state *pic, pic_value formals, struct pic_senv *up, pic_value assoc_box)
{
struct pic_senv *senv;
pic_value a;
senv = senv_new(pic, up);
for (a = formals; pic_pair_p(a); a = pic_cdr(pic, a)) {
pic_value v = pic_car(pic, a);
if (! pic_sym_p(v)) {
v = macroexpand(pic, v, up, assoc_box);
}
if (! pic_sym_p(v)) {
pic_error(pic, "syntax error");
}
pic_add_rename(pic, senv, pic_sym(v));
}
if (! pic_sym_p(a)) {
a = macroexpand(pic, a, up, assoc_box);
}
if (pic_sym_p(a)) {
pic_add_rename(pic, senv, pic_sym(a));
}
else if (! pic_nil_p(a)) {
pic_error(pic, "syntax error");
}
return senv;
}
static void
define_macro(pic_state *pic, pic_sym rename, struct pic_proc *proc, struct pic_senv *senv)
{
@ -441,7 +441,7 @@ macroexpand_define(pic_state *pic, pic_value expr, struct pic_senv *senv, pic_va
formals = pic_cadr(pic, expr);
if (pic_pair_p(formals)) {
struct pic_senv *in = senv_new_local(pic, pic_cdr(pic, formals), senv, assoc_box);
struct pic_senv *in = push_scope(pic, pic_cdr(pic, formals), senv, assoc_box);
pic_value a;
/* defined symbol */
@ -481,7 +481,7 @@ macroexpand_define(pic_state *pic, pic_value expr, struct pic_senv *senv, pic_va
static pic_value
macroexpand_lambda(pic_state *pic, pic_value expr, struct pic_senv *senv, pic_value assoc_box)
{
struct pic_senv *in = senv_new_local(pic, pic_cadr(pic, expr), senv, assoc_box);
struct pic_senv *in = push_scope(pic, pic_cadr(pic, expr), senv, assoc_box);
return pic_cons(pic, pic_sym_value(pic->sLAMBDA),
pic_cons(pic,