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add gensym function

This commit is contained in:
Yuichi Nishiwaki 2014-02-13 14:59:51 +09:00
parent f32754c0f9
commit ac136bbc2e
1 changed files with 13 additions and 0 deletions
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13
src/macro.c
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@ -637,6 +637,18 @@ pic_macro_include(pic_state *pic)
return body;
}
static pic_value
pic_macro_gensym(pic_state *pic)
{
static const char skel[] = ".g";
pic_sym uniq;
pic_get_args(pic, "");
uniq = pic_gensym(pic, pic_intern_cstr(pic, skel));
return pic_symbol_value(uniq);
}
static pic_value
pic_macro_make_sc(pic_state *pic)
{
@ -898,6 +910,7 @@ pic_init_macro(pic_state *pic)
xh_put_int(pic->lib->senv->name, pic->sDEFINE_MACRO, pic->sDEFINE_MACRO);
pic_export(pic, pic->sDEFINE_MACRO);
pic_defun(pic, "gensym", pic_macro_gensym);
pic_defun(pic, "make-syntactic-closure", pic_macro_make_sc);
pic_defun(pic, "identifier?", pic_macro_identifier_p);
pic_defun(pic, "identifier=?", pic_macro_identifier_eq_p);