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added some code to handle defclass

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hyung-hwan
2021-05-29 05:44:29 +00:00
parent 6cf198dbc5
commit b41be3e5c4
4 changed files with 105 additions and 2 deletions
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88
lib/comp.c
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@ -1587,6 +1587,90 @@ static HCL_INLINE int compile_else (hcl_t* hcl)
return patch_nearest_post_if_body(hcl, cmd);
}
/* ========================================================================= */
static int compile_defclass (hcl_t* hcl, hcl_cnode_t* src)
{
/*
(defclass A
| x y | ; instance variables
| ::: x y z | ; class variables <--- how to initialize the class variables???
(defcmethod new (a b c)
(printf "%O\n" self) ; self is A
(set obj super.new)
(obj.init a b c)
;(obj.x 10)
;(obj.y 20)
(return obj)
)
)
(defclass B ::: A ; A is a parent class
| p q |
....
)
*/
hcl_cnode_t* cmd, * obj, * args;
hcl_cnode_t* defun_name;
cmd = HCL_CNODE_CONS_CAR(src);
obj = HCL_CNODE_CONS_CDR(src);
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(cmd, HCL_SYNCODE_DEFUN));
if (!obj)
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGNAMELIST, HCL_CNODE_GET_LOC(src), HCL_NULL, "no name in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1;
}
else if (!HCL_CNODE_IS_CONS(obj))
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_DOTBANNED, HCL_CNODE_GET_LOC(obj), HCL_CNODE_GET_TOK(obj), "redundant cdr in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1;
}
class_name = HCL_CNODE_CONS_CAR(obj);
if (HCL_CNODE_IS_SYMBOL(class_name))
{
/* defclass followed by a class name */
if (HCL_CNODE_SYMBOL_SYNCODE(class_name)) /*|| HCL_OBJ_GET_FLAGS_KERNEL(class_name) >= 1) */
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BANNEDVARNAME, HCL_CNODE_GET_LOC(class_name), HCL_CNODE_GET_TOK(class_name), "special symbol not to be used as a defun name");
return -1;
}
obj = HCL_CNODE_CONS_CDR(obj);
}
else
{
/* no class name specified */
class_name = HCL_NULL;
}
if (HCL_CNODE_IS_ELLIPSIS(arg))
{
/* superclass */
}
if (!obj)
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGNAMELIST, HCL_CNODE_GET_LOC(src), HCL_NULL, "no argument list in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1;
}
else if (!HCL_CNODE_IS_CONS(obj))
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_DOTBANNED, HCL_CNODE_GET_LOC(obj), HCL_CNODE_GET_TOK(obj), "redundant cdr in argument list in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1;
}
HCL_CNODE_CONS_CAR(obj);
return 0;
}
/* ========================================================================= */
static int collect_local_vardcl (hcl_t* hcl, hcl_cnode_t* obj, hcl_cnode_t** nextobj, hcl_oow_t tv_dup_check_start, hcl_oow_t* nvardcls)
@ -2573,6 +2657,10 @@ static int compile_cons_xlist_expression (hcl_t* hcl, hcl_cnode_t* obj, int nret
if (compile_continue(hcl, obj) <= -1) return -1;
break;
case HCL_SYNCODE_DEFCLASS:
if (compile_defclass(hcl, obj) <= -1) return -1;
break;
case HCL_SYNCODE_DEFUN:
if (compile_lambda(hcl, obj, 1) <= -1) return -1;
break;