diff options
Diffstat (limited to 'gcc/cp/pt.c')
| -rw-r--r-- | gcc/cp/pt.c | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 1176a5d..b4ee69e 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -712,15 +712,13 @@ check_explicit_specialization (declarator, decl, template_count, flags) explicit_instantiation = 1; } - else if ((ctype != NULL_TREE - && !TYPE_BEING_DEFINED (ctype) - && CLASSTYPE_TEMPLATE_INSTANTIATION (ctype)) - || TREE_CODE (declarator) == TEMPLATE_ID_EXPR) + else if (ctype != NULL_TREE + && !TYPE_BEING_DEFINED (ctype) + && CLASSTYPE_TEMPLATE_INSTANTIATION (ctype)) { - /* The first part of the above clause catches illegal code - that looks like this: + /* This case catches outdated code that looks like this: - template <class T> struct S { void f(); } + template <class T> struct S { void f(); }; void S<int>::f() {} // Missing template <> We disable this check when the type is being defined to @@ -728,18 +726,31 @@ check_explicit_specialization (declarator, decl, template_count, flags) constructors, destructors, and assignment operators. Since the type is an instantiation, not a specialization, these are the only functions that can be defined before - the class is complete. + the class is complete. */ - The second part handles bogus declarations like + /* If they said + template <class T> void S<int>::f() {} + that's bogus. */ + if (template_header_count) + { + cp_error ("template parameters specified in specialization"); + return decl; + } + + if (pedantic) + cp_pedwarn + ("explicit specialization not preceded by `template <>'"); + specialization = 1; + SET_DECL_TEMPLATE_SPECIALIZATION (decl); + } + else if (TREE_CODE (declarator) == TEMPLATE_ID_EXPR) + { + /* This case handles bogus declarations like template <> template <class T> void f<int>(); */ - if (template_header_count > template_count) - cp_error ("template-id `%D' in declaration of primary template", - declarator); - else - cp_error ("explicit specialization not preceded by `template <>'"); - + cp_error ("template-id `%D' in declaration of primary template", + declarator); return decl; } } |