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implementing a message sending list

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hyung-hwan
2022-01-14 16:09:52 +00:00
parent bdf527f298
commit a7a69d9a11
8 changed files with 367 additions and 78 deletions
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104
lib/comp.c
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@ -212,6 +212,33 @@ static void kill_temporary_variable_at_offset (hcl_t* hcl, hcl_oow_t offset)
hcl->c->tv.s.ptr[offset] = '('; /* HACK!! put a special character which can't form a variable name */
}
static int is_in_class_init_scope (hcl_t* hcl)
{
hcl_fnblk_info_t* fbi;
fbi = &hcl->c->fnblk.info[hcl->c->fnblk.depth];
return (fbi->clsblk_top >= 0);
}
static int is_in_class_method_scope (hcl_t* hcl)
{
hcl_oow_t i, j;
for (i = hcl->c->fnblk.depth + 1; i > 0; )
{
hcl_fnblk_info_t* fbi;
fbi = &hcl->c->fnblk.info[--i];
if (fbi->clsblk_top >= 0)
{
if (i >= hcl->c->fnblk.depth) return 0; /* in class initialization scope */
return 1; /* in class method scope */
}
}
return 0; /* in plain function scope */
}
static int find_variable_backward (hcl_t* hcl, const hcl_cnode_t* token, hcl_var_info_t* vi)
{
hcl_oow_t i, j;
@ -1226,7 +1253,7 @@ enum
COP_COMPILE_OR_P1,
COP_COMPILE_OR_P2,
COP_COMPILE_CLASS_P1,
COP_COMPILE_CLASS_P2,
COP_COMPILE_CLASS_P3,
@ -2361,7 +2388,7 @@ static int compile_lambda (hcl_t* hcl, hcl_cnode_t* src, int defun)
{
/* empty list - no argument - (lambda () (+ 10 20)) */
}
else if (!HCL_CNODE_IS_CONS(args))
else if (!HCL_CNODE_IS_CONS_CONCODED(args, HCL_CONCODE_XLIST))
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGNAMELIST, HCL_CNODE_GET_LOC(args), HCL_CNODE_GET_TOK(args), "not an argument list in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1;
@ -2924,9 +2951,9 @@ static HCL_INLINE int compile_catch (hcl_t* hcl)
}
exarg = HCL_CNODE_CONS_CAR(obj);
if (HCL_CNODE_IS_ELIST_CONCODED(exarg, HCL_CONCODE_XLIST) || !HCL_CNODE_IS_CONS(exarg) || hcl_countcnodecons(hcl, exarg) != 1)
if (!HCL_CNODE_IS_CONS_CONCODED(exarg, HCL_CONCODE_XLIST) || hcl_countcnodecons(hcl, exarg) != 1)
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARNAME, HCL_CNODE_GET_LOC(exarg), HCL_NULL, "not single exception variable in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARNAME, HCL_CNODE_GET_LOC(exarg), HCL_NULL, "not proper exception variable in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1;
}
@ -3420,6 +3447,20 @@ static int compile_cons_xlist_expression (hcl_t* hcl, hcl_cnode_t* obj, int nret
return 0;
}
static int compile_cons_mlist_expression (hcl_t* hcl, hcl_cnode_t* obj, int nrets)
{
hcl_cnode_t* car;
int syncode; /* syntax code of the first element */
/* message sending
* (: receiver message argument-list)
*/
HCL_ASSERT (hcl, HCL_CNODE_IS_CONS_CONCODED(obj, HCL_CONCODE_MLIST));
car = HCL_CNODE_CONS_CAR(obj);
return 0;
}
static HCL_INLINE int compile_symbol (hcl_t* hcl, hcl_cnode_t* obj)
{
hcl_var_info_t vi;
@ -3726,6 +3767,10 @@ redo:
if (compile_cons_xlist_expression(hcl, oprnd, 0) <= -1) return -1;
break;
case HCL_CONCODE_MLIST:
if (compile_cons_mlist_expression(hcl, oprnd, 0) <= -1) return -1;
break;
case HCL_CONCODE_ARRAY:
if (compile_cons_array_expression(hcl, oprnd) <= -1) return -1;
break;
@ -3763,6 +3808,10 @@ redo:
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BANNED, HCL_CNODE_GET_LOC(oprnd), HCL_NULL, "empty executable list");
return -1;
case HCL_CONCODE_MLIST:
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BANNED, HCL_CNODE_GET_LOC(oprnd), HCL_NULL, "empty message send list");
return -1;
case HCL_CONCODE_ARRAY:
if (emit_single_param_instruction(hcl, HCL_CODE_MAKE_ARRAY, 0, HCL_CNODE_GET_LOC(oprnd)) <= -1) return -1;
goto done;
@ -3827,7 +3876,6 @@ static int compile_object_r (hcl_t* hcl)
{
hcl_cframe_t* cf;
hcl_cnode_t* oprnd;
hcl_oop_t lit;
cf = GET_TOP_CFRAME(hcl);
HCL_ASSERT (hcl, cf->opcode == COP_COMPILE_OBJECT_R);
@ -4574,24 +4622,44 @@ static HCL_INLINE int post_lambda (hcl_t* hcl)
hcl_oow_t index;
hcl_var_info_t vi;
int x;
x = find_variable_backward(hcl, defun_name, &vi);
if (x <= -1) return -1;
if (x == 0)
if (is_in_class_init_scope(hcl))
{
SWITCH_TOP_CFRAME (hcl, COP_EMIT_SET, defun_name);
cf = GET_TOP_CFRAME(hcl);
cf->u.set.vi.type = VAR_NAMED;
/* method definition */
x = find_variable_backward(hcl, defun_name, &vi);
if (x <= -1) return -1;
if (x == 0)
{
/* save to the method slot */
printf ("this is a method defintion...^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^.\n");
}
else
{
/* TODO: proper error code */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARNAMEDUP, HCL_CNODE_GET_LOC(defun_name), HCL_CNODE_GET_TOK(defun_name), "duplicate name");
return -1;
}
cf->u.set.mode = VAR_ACCESS_STORE;
}
else
{
HCL_ASSERT (hcl, index <= HCL_SMOOI_MAX);
SWITCH_TOP_CFRAME (hcl, COP_EMIT_SET, defun_name);
cf = GET_TOP_CFRAME(hcl);
cf->u.set.vi = vi;
x = find_variable_backward(hcl, defun_name, &vi);
if (x <= -1) return -1;
if (x == 0)
{
SWITCH_TOP_CFRAME (hcl, COP_EMIT_SET, defun_name);
cf = GET_TOP_CFRAME(hcl);
cf->u.set.vi.type = VAR_NAMED;
}
else
{
HCL_ASSERT (hcl, index <= HCL_SMOOI_MAX);
SWITCH_TOP_CFRAME (hcl, COP_EMIT_SET, defun_name);
cf = GET_TOP_CFRAME(hcl);
cf->u.set.vi = vi;
}
cf->u.set.mode = VAR_ACCESS_STORE;
}
cf->u.set.mode = VAR_ACCESS_STORE;
}
else
{