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(grokdeclarator): Don't warn about applying const to a const typedef or template type parameter.

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(grokdeclarator): Don't warn about applying const to a
        const typedef or template type parameter.
(shadow_tag): Remove obsolete code for pushing tags and
        dealing with exceptions.

From-SVN: r8250
This commit is contained in:
Jason Merrill 1994-10-11 18:39:14 +00:00
parent cba8ba3576
commit b8bca6f2af
1 changed files with 9 additions and 57 deletions
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66
gcc/cp/decl.c
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@ -5069,7 +5069,6 @@ shadow_tag (declspecs)
tree declspecs;
{
int found_tag = 0;
int warned = 0;
tree ob_modifier = NULL_TREE;
register tree link;
register enum tree_code code, ok_code = ERROR_MARK;
@ -5082,41 +5081,14 @@ shadow_tag (declspecs)
code = TREE_CODE (value);
if (IS_AGGR_TYPE_CODE (code) || code == ENUMERAL_TYPE)
{
register tree name = TYPE_NAME (value);
my_friendly_assert (TYPE_NAME (value) != NULL_TREE, 261);
if (code == ENUMERAL_TYPE && TYPE_SIZE (value) == 0)
cp_error ("forward declaration of `%#T'", value);
if (name == NULL_TREE)
name = lookup_tag_reverse (value, NULL_TREE);
if (name && TREE_CODE (name) == TYPE_DECL)
name = DECL_NAME (name);
t = lookup_tag (code, name, inner_binding_level, 1);
if (t == NULL_TREE)
{
push_obstacks (&permanent_obstack, &permanent_obstack);
if (IS_AGGR_TYPE_CODE (code))
t = make_lang_type (code);
else
t = make_node (code);
pushtag (name, t, 0);
pop_obstacks ();
ok_code = code;
}
else if (name != NULL_TREE || code == ENUMERAL_TYPE)
ok_code = code;
if (ok_code != ERROR_MARK)
found_tag++;
else
{
if (!warned)
pedwarn ("useless keyword or type name in declaration");
warned = 1;
}
t = value;
ok_code = code;
found_tag++;
}
else if (value == ridpointers[(int) RID_STATIC]
|| value == ridpointers[(int) RID_EXTERN]
@ -5156,32 +5128,9 @@ shadow_tag (declspecs)
cp_error ("`%D' can only be specified for objects and functions",
ob_modifier);
if (ok_code == RECORD_TYPE
&& found_tag == 1
&& TYPE_LANG_SPECIFIC (t)
&& CLASSTYPE_DECLARED_EXCEPTION (t))
{
if (TYPE_SIZE (t))
cp_error ("redeclaration of exception `%T'", t);
else
{
tree ename, decl;
push_obstacks (&permanent_obstack, &permanent_obstack);
pushclass (t, 0);
ename = TYPE_NAME (t);
if (TREE_CODE (ename) == TYPE_DECL)
ename = DECL_NAME (ename);
decl = build_lang_field_decl (VAR_DECL, ename, t);
pop_obstacks ();
}
}
else if (found_tag == 0)
if (found_tag == 0)
pedwarn ("abstract declarator used as declaration");
else if (!warned && found_tag > 1)
else if (found_tag > 1)
pedwarn ("multiple types in one declaration");
}
}
@ -7598,10 +7547,13 @@ grokdeclarator (declarator, declspecs, decl_context, initialized, raises)
volatilep = !! RIDBIT_SETP (RID_VOLATILE, specbits) + TYPE_VOLATILE (type);
staticp = 0;
inlinep = !! RIDBIT_SETP (RID_INLINE, specbits);
#if 0
/* This sort of redundancy is blessed in a footnote to the Sep 94 WP. */
if (constp > 1)
warning ("duplicate `const'");
if (volatilep > 1)
warning ("duplicate `volatile'");
#endif
virtualp = RIDBIT_SETP (RID_VIRTUAL, specbits);
if (RIDBIT_SETP (RID_STATIC, specbits))