changed the compiler to recoginize FQN reference

This commit is contained in:
hyunghwan.chung 2015-07-13 15:58:27 +00:00
parent 23d1bcf86c
commit 3bb121c09d

View File

@ -2113,6 +2113,118 @@ static int compile_class_level_variables (stix_t* stix)
return 0; return 0;
} }
static stix_oop_set_t add_namespace (stix_t* stix, stix_oop_set_t dic, const stix_ucs_t* name)
{
stix_size_t tmp_count = 0;
stix_oop_t sym;
stix_oop_set_t ns;
stix_oop_association_t ass;
stix_pushtmp (stix, (stix_oop_t*)&dic); tmp_count++;
sym = stix_makesymbol (stix, name->ptr, name->len);
if (!sym) goto oops;
stix_pushtmp (stix, &sym); tmp_count++;
ns = stix_makedic (stix, stix->_namespace, NAMESPACE_SIZE);
if (!ns) goto oops;
/*stix_pushtmp (stix, &ns); tmp_count++;*/
ass = stix_putatdic (stix, dic, sym, (stix_oop_t)ns);
if (!ass) goto oops;
stix_poptmps (stix, tmp_count);
return (stix_oop_set_t)ass->value;
oops:
stix_poptmps (stix, tmp_count);
return STIX_NULL;
}
static int preprocess_dotted_class_name (stix_t* stix, int dont_add_ns, const stix_ucs_t* fqn, const stix_ioloc_t* fqn_loc, stix_ucs_t* name, stix_oop_set_t* ns_oop)
{
const stix_uch_t* ptr, * dot;
stix_size_t len;
stix_ucs_t seg;
stix_oop_set_t dic;
stix_oop_association_t ass;
dic = stix->sysdic;
ptr = fqn->ptr;
len = fqn->len;
while (1)
{
seg.ptr = (stix_uch_t*)ptr;
dot = stix_findchar (ptr, len, '.');
if (dot)
{
seg.len = dot - ptr;
if (is_reserved_word(&seg)) goto wrong_name;
ass = stix_lookupdic (stix, dic, &seg);
if (ass)
{
if (STIX_CLASSOF(stix, ass->value) == stix->_namespace ||
(seg.ptr == stix->c->cls.name.ptr && ass->value == (stix_oop_t)stix->sysdic))
{
/* ok */
dic = (stix_oop_set_t)ass->value;
}
else
{
goto wrong_name;
}
}
else
{
stix_oop_set_t t;
/* the segment does not exist. add it */
if (dont_add_ns)
{
/* in '#extend Planet.Earth', it's an error
* if Planet doesn't exist */
goto wrong_name;
}
/* When definining a new class, add a missing namespace */
t = add_namespace (stix, dic, &seg);
if (!t) return -1;
dic = t;
}
}
else
{
/* this is the last segment. it should be a class name */
seg.len = len;
if (is_reserved_word(&seg)) goto wrong_name;
*name = seg;
*ns_oop = dic;
break;
}
ptr = dot + 1;
len -= seg.len + 1;
}
return 0;
wrong_name:
seg.len += seg.ptr - fqn->ptr;
seg.ptr = fqn->ptr;
set_syntax_error (stix, STIX_SYNERR_NAMESPACE, fqn_loc, &seg);
return -1;
}
static int compile_unary_method_name (stix_t* stix) static int compile_unary_method_name (stix_t* stix)
{ {
STIX_ASSERT (stix->c->mth.name.len == 0); STIX_ASSERT (stix->c->mth.name.len == 0);
@ -2363,10 +2475,31 @@ static int get_variable_info (stix_t* stix, const stix_ucs_t* name, const stix_i
* self.XXX - instance variable * self.XXX - instance variable
* A.B.C - namespace or pool dictionary related reference. * A.B.C - namespace or pool dictionary related reference.
*/ */
printf ("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n");
stix_ucs_t last;
stix_oop_set_t ns_oop;
stix_oop_association_t ass;
/*TODO: handle self.XXX ---------- */
/* TOOD: handle pool dictionary ---- */
if (preprocess_dotted_class_name (stix, 1, name, name_loc, &last, &ns_oop) <= -1) return -1;
ass = stix_lookupdic (stix, ns_oop, &last);
if (ass)
{
var->type = VAR_GLOBAL;
var->gbl = ass;
}
else
{
/* undeclared identifier */
set_syntax_error (stix, STIX_SYNERR_VARUNDCL, name_loc, name);
return -1; return -1;
} }
return 0;
}
index = find_temporary_variable (stix, name); index = find_temporary_variable (stix, name);
if (index >= 0) if (index >= 0)
{ {
@ -4030,118 +4163,6 @@ printf (" CONFLICTING CLASS DEFINITION %lu %lu %lu %lu\n",
return 0; return 0;
} }
static stix_oop_set_t add_namespace (stix_t* stix, stix_oop_set_t dic, const stix_ucs_t* name)
{
stix_size_t tmp_count = 0;
stix_oop_t sym;
stix_oop_set_t ns;
stix_oop_association_t ass;
stix_pushtmp (stix, (stix_oop_t*)&dic); tmp_count++;
sym = stix_makesymbol (stix, name->ptr, name->len);
if (!sym) goto oops;
stix_pushtmp (stix, &sym); tmp_count++;
ns = stix_makedic (stix, stix->_namespace, NAMESPACE_SIZE);
if (!ns) goto oops;
/*stix_pushtmp (stix, &ns); tmp_count++;*/
ass = stix_putatdic (stix, dic, sym, (stix_oop_t)ns);
if (!ass) goto oops;
stix_poptmps (stix, tmp_count);
return (stix_oop_set_t)ass->value;
oops:
stix_poptmps (stix, tmp_count);
return STIX_NULL;
}
static int preprocess_dotted_class_name (stix_t* stix, int dont_add_ns, const stix_ucs_t* fqn, stix_ucs_t* name, stix_oop_set_t* ns_oop)
{
const stix_uch_t* ptr, * dot;
stix_size_t len;
stix_ucs_t seg;
stix_oop_set_t dic;
stix_oop_association_t ass;
STIX_ASSERT (stix->c->tok.type == STIX_IOTOK_IDENT_DOTTED);
dic = stix->sysdic;
ptr = fqn->ptr;
len = fqn->len;
while (1)
{
seg.ptr = (stix_uch_t*)ptr;
dot = stix_findchar (ptr, len, '.');
if (dot)
{
seg.len = dot - ptr;
if (is_reserved_word(&seg)) goto wrong_name;
ass = stix_lookupdic (stix, dic, &seg);
if (ass)
{
if (STIX_CLASSOF(stix, ass->value) == stix->_namespace ||
(seg.ptr == stix->c->cls.name.ptr && ass->value == (stix_oop_t)stix->sysdic))
{
/* ok */
dic = (stix_oop_set_t)ass->value;
}
else
{
goto wrong_name;
}
}
else
{
stix_oop_set_t t;
/* the segment does not exist. add it */
if (dont_add_ns)
{
/* in '#extend Planet.Earth', it's an error
* if Planet doesn't exist */
goto wrong_name;
}
/* When definining a new class, add a missing namespace */
t = add_namespace (stix, dic, &seg);
if (!t) return -1;
dic = t;
}
}
else
{
/* this is the last segment. it should be a class name */
seg.len = len;
if (is_reserved_word(&seg)) goto wrong_name;
*name = seg;
*ns_oop = dic;
break;
}
ptr = dot + 1;
len -= seg.len + 1;
}
return 0;
wrong_name:
set_syntax_error (stix, STIX_SYNERR_NAMESPACE, &stix->c->tok.loc, &stix->c->tok.name);
return -1;
}
static int __compile_class_definition (stix_t* stix, int extend) static int __compile_class_definition (stix_t* stix, int extend)
{ {
/* /*
@ -4216,7 +4237,7 @@ static int __compile_class_definition (stix_t* stix, int extend)
stix->c->cls.fqn_loc = stix->c->tok.loc; stix->c->cls.fqn_loc = stix->c->tok.loc;
if (stix->c->tok.type == STIX_IOTOK_IDENT_DOTTED) if (stix->c->tok.type == STIX_IOTOK_IDENT_DOTTED)
{ {
if (preprocess_dotted_class_name(stix, extend, &stix->c->cls.fqn, &stix->c->cls.name, &stix->c->cls.ns_oop) <= -1) return -1; if (preprocess_dotted_class_name(stix, extend, &stix->c->cls.fqn, &stix->c->cls.fqn_loc, &stix->c->cls.name, &stix->c->cls.ns_oop) <= -1) return -1;
} }
else else
{ {
@ -4287,7 +4308,7 @@ printf ("\n");
if (stix->c->tok.type == STIX_IOTOK_IDENT_DOTTED) if (stix->c->tok.type == STIX_IOTOK_IDENT_DOTTED)
{ {
if (preprocess_dotted_class_name(stix, 1, &stix->c->cls.superfqn, &stix->c->cls.supername, &stix->c->cls.superns_oop) <= -1) return -1; if (preprocess_dotted_class_name(stix, 1, &stix->c->cls.superfqn, &stix->c->cls.superfqn_loc, &stix->c->cls.supername, &stix->c->cls.superns_oop) <= -1) return -1;
} }
else else
{ {