/* Process declarations and variables for C++ compiler.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Hacked by Michael Tiemann (tiemann@cygnus.com)
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* Process declarations and symbol lookup for C++ front end.
#include "tree-mudflap.h"
#include "cgraph.h"
#include "tree-inline.h"
+#include "c-pragma.h"
+#include "intl.h"
extern cpp_reader *parse_in;
} *priority_info;
static void mark_vtable_entries (tree);
-static void grok_function_init (tree, tree);
static bool maybe_emit_vtables (tree);
-static tree build_anon_union_vars (tree);
static bool acceptable_java_type (tree);
static tree start_objects (int, int);
static void finish_objects (int, int, tree);
static void finish_static_initialization_or_destruction (tree);
static void generate_ctor_or_dtor_function (bool, int, location_t *);
static int generate_ctor_and_dtor_functions_for_priority (splay_tree_node,
- void *);
+ void *);
static tree prune_vars_needing_no_initialization (tree *);
static void write_out_vars (tree);
static void import_export_class (tree);
/* A list of static class variables. This is needed, because a
static class variable can be declared inside the class without
an initializer, and then initialized, statically, outside the class. */
-static GTY(()) varray_type pending_statics;
-#define pending_statics_used \
- (pending_statics ? pending_statics->elements_used : 0)
+static GTY(()) VEC(tree,gc) *pending_statics;
/* A list of functions which were declared inline, but which we
may need to emit outline anyway. */
-static GTY(()) varray_type deferred_fns;
-#define deferred_fns_used \
- (deferred_fns ? deferred_fns->elements_used : 0)
-
-/* Flag used when debugging spew.c */
-
-extern int spew_debug;
+static GTY(()) VEC(tree,gc) *deferred_fns;
/* Nonzero if we're done parsing and into end-of-file activities. */
/* Returns a PARM_DECL for a parameter of the indicated TYPE, with the
indicated NAME. */
-tree
+static tree
build_artificial_parm (tree name, tree type)
{
tree parm = cp_build_parm_decl (name, type);
/* We don't need an in-charge parameter for constructors that don't
have virtual bases. */
if (DECL_CONSTRUCTOR_P (fn)
- && !TYPE_USES_VIRTUAL_BASECLASSES (DECL_CONTEXT (fn)))
+ && !CLASSTYPE_VBASECLASSES (DECL_CONTEXT (fn)))
return;
arg_types = TYPE_ARG_TYPES (TREE_TYPE (fn));
/* If this is a subobject constructor or destructor, our caller will
pass us a pointer to our VTT. */
- if (TYPE_USES_VIRTUAL_BASECLASSES (DECL_CONTEXT (fn)))
+ if (CLASSTYPE_VBASECLASSES (DECL_CONTEXT (fn)))
{
parm = build_artificial_parm (vtt_parm_identifier, vtt_parm_type);
QUALS are the qualifiers for the this pointer. */
void
-grokclassfn (tree ctype, tree function, enum overload_flags flags,
+grokclassfn (tree ctype, tree function, enum overload_flags flags,
cp_cv_quals quals)
{
tree fn_name = DECL_NAME (function);
this_quals |= TYPE_QUAL_CONST;
qual_type = cp_build_qualified_type (type, this_quals);
parm = build_artificial_parm (this_identifier, qual_type);
- c_apply_type_quals_to_decl (this_quals, parm);
+ cp_apply_type_quals_to_decl (this_quals, parm);
TREE_CHAIN (parm) = DECL_ARGUMENTS (function);
DECL_ARGUMENTS (function) = parm;
}
else
p2 = build_expr_type_conversion (WANT_POINTER, index_exp, false);
- i1 = build_expr_type_conversion (WANT_INT | WANT_ENUM, array_expr,
+ i1 = build_expr_type_conversion (WANT_INT | WANT_ENUM, array_expr,
false);
- i2 = build_expr_type_conversion (WANT_INT | WANT_ENUM, index_exp,
+ i2 = build_expr_type_conversion (WANT_INT | WANT_ENUM, index_exp,
false);
if ((p1 && i2) && (i1 && p2))
array_expr = p2, index_exp = i1;
else
{
- error ("invalid types `%T[%T]' for array subscript",
- type, TREE_TYPE (index_exp));
+ error ("invalid types %<%T[%T]%> for array subscript",
+ type, TREE_TYPE (index_exp));
return error_mark_node;
}
return t;
}
- exp = convert_from_reference (exp);
-
/* An array can't have been allocated by new, so complain. */
if (TREE_CODE (exp) == VAR_DECL
&& TREE_CODE (TREE_TYPE (exp)) == ARRAY_TYPE)
- warning ("deleting array `%#D'", exp);
+ warning (0, "deleting array %q#D", exp);
t = build_expr_type_conversion (WANT_POINTER, exp, true);
if (t == NULL_TREE || t == error_mark_node)
{
- error ("type `%#T' argument given to `delete', expected pointer",
- TREE_TYPE (exp));
+ error ("type %q#T argument given to %<delete%>, expected pointer",
+ TREE_TYPE (exp));
return error_mark_node;
}
/* You can't delete functions. */
if (TREE_CODE (TREE_TYPE (type)) == FUNCTION_TYPE)
{
- error ("cannot delete a function. Only pointer-to-objects are valid arguments to `delete'");
+ error ("cannot delete a function. Only pointer-to-objects are "
+ "valid arguments to %<delete%>");
return error_mark_node;
}
/* Deleting ptr to void is undefined behavior [expr.delete/3]. */
if (TREE_CODE (TREE_TYPE (type)) == VOID_TYPE)
{
- warning ("deleting `%T' is undefined", type);
+ warning (0, "deleting %qT is undefined", type);
doing_vec = 0;
}
return build1 (NOP_EXPR, void_type_node, t);
if (doing_vec)
- return build_vec_delete (t, /*maxindex=*/NULL_TREE,
+ return build_vec_delete (t, /*maxindex=*/NULL_TREE,
sfk_deleting_destructor,
use_global_delete);
else
{
if (current_function_decl)
/* 14.5.2.2 [temp.mem]
-
+
A local class shall not have member templates. */
- error ("invalid declaration of member template `%#D' in local class",
- decl);
-
+ error ("invalid declaration of member template %q#D in local class",
+ decl);
+
if (TREE_CODE (decl) == FUNCTION_DECL && DECL_VIRTUAL_P (decl))
{
/* 14.5.2.3 [temp.mem]
A member function template shall not be virtual. */
- error
- ("invalid use of `virtual' in template declaration of `%#D'",
+ error
+ ("invalid use of %<virtual%> in template declaration of %q#D",
decl);
DECL_VIRTUAL_P (decl) = 0;
}
/* The debug-information generating code doesn't know what to do
- with member templates. */
+ with member templates. */
DECL_IGNORED_P (tmpl) = 1;
- }
+ }
else
- error ("template declaration of `%#D'", decl);
+ error ("template declaration of %q#D", decl);
}
/* Return true iff TYPE is a valid Java parameter or return type. */
if (!acceptable_java_type (ret_type))
{
- error ("Java method '%D' has non-Java return type `%T'",
- method, ret_type);
+ error ("Java method %qD has non-Java return type %qT",
+ method, ret_type);
jerr = true;
}
arg_types = TREE_CHAIN (arg_types);
if (DECL_HAS_VTT_PARM_P (method))
arg_types = TREE_CHAIN (arg_types);
-
+
for (; arg_types != NULL_TREE; arg_types = TREE_CHAIN (arg_types))
{
tree type = TREE_VALUE (arg_types);
if (!acceptable_java_type (type))
{
- error ("Java method '%D' has non-Java parameter type `%T'",
- method, type);
+ error ("Java method %qD has non-Java parameter type %qT",
+ method, type);
jerr = true;
}
}
/* Sanity check: report error if this function FUNCTION is not
really a member of the class (CTYPE) it is supposed to belong to.
- TEMPLATE_PARMS is used to specifiy the template parameters of a member
- template passed as FUNCTION_DECL. If the member template is passed as a
+ TEMPLATE_PARMS is used to specify the template parameters of a member
+ template passed as FUNCTION_DECL. If the member template is passed as a
TEMPLATE_DECL, it can be NULL since the parameters can be extracted
from the declaration. If the function is not a function template, it
must be NULL.
{
int ix;
bool is_template;
-
+
if (DECL_USE_TEMPLATE (function)
&& !(TREE_CODE (function) == TEMPLATE_DECL
&& DECL_TEMPLATE_SPECIALIZATION (function))
- && is_member_template (DECL_TI_TEMPLATE (function)))
+ && DECL_MEMBER_TEMPLATE_P (DECL_TI_TEMPLATE (function)))
/* Since this is a specialization of a member template,
we're not going to find the declaration in the class.
For example, in:
-
- struct S { template <typename T> void f(T); };
- template <> void S::f(int);
-
+
+ struct S { template <typename T> void f(T); };
+ template <> void S::f(int);
+
we're not going to find `S::f(int)', but there's no
reason we should, either. We let our callers know we didn't
find the method, but we don't complain. */
either were not passed, or they are the same of DECL_TEMPLATE_PARMS. */
if (TREE_CODE (function) == TEMPLATE_DECL)
{
- gcc_assert (!template_parms
- || comp_template_parms (template_parms,
+ gcc_assert (!template_parms
+ || comp_template_parms (template_parms,
DECL_TEMPLATE_PARMS (function)));
template_parms = DECL_TEMPLATE_PARMS (function);
}
/* OK, is this a definition of a member template? */
is_template = (template_parms != NULL_TREE);
- ix = lookup_fnfields_1 (complete_type (ctype),
- DECL_CONSTRUCTOR_P (function) ? ctor_identifier :
- DECL_DESTRUCTOR_P (function) ? dtor_identifier :
- DECL_NAME (function));
-
+ ix = class_method_index_for_fn (complete_type (ctype), function);
if (ix >= 0)
{
- VEC(tree) *methods = CLASSTYPE_METHOD_VEC (ctype);
+ VEC(tree,gc) *methods = CLASSTYPE_METHOD_VEC (ctype);
tree fndecls, fndecl = 0;
bool is_conv_op;
- bool pop_p;
+ tree pushed_scope;
const char *format = NULL;
-
- pop_p = push_scope (ctype);
+
+ pushed_scope = push_scope (ctype);
for (fndecls = VEC_index (tree, methods, ix);
fndecls; fndecls = OVL_NEXT (fndecls))
{
tree p1, p2;
-
+
fndecl = OVL_CURRENT (fndecls);
p1 = TYPE_ARG_TYPES (TREE_TYPE (function));
p2 = TYPE_ARG_TYPES (TREE_TYPE (fndecl));
/* We cannot simply call decls_match because this doesn't
work for static member functions that are pretending to
be methods, and because the name may have been changed by
- asm("new_name"). */
-
+ asm("new_name"). */
+
/* Get rid of the this parameter on functions that become
static. */
if (DECL_STATIC_FUNCTION_P (fndecl)
declaration. */
if (is_template != (TREE_CODE (fndecl) == TEMPLATE_DECL))
continue;
-
+
if (same_type_p (TREE_TYPE (TREE_TYPE (function)),
TREE_TYPE (TREE_TYPE (fndecl)))
&& compparms (p1, p2)
&& (!is_template
- || comp_template_parms (template_parms,
+ || comp_template_parms (template_parms,
DECL_TEMPLATE_PARMS (fndecl)))
&& (DECL_TEMPLATE_SPECIALIZATION (function)
== DECL_TEMPLATE_SPECIALIZATION (fndecl))
&& (!DECL_TEMPLATE_SPECIALIZATION (function)
- || (DECL_TI_TEMPLATE (function)
+ || (DECL_TI_TEMPLATE (function)
== DECL_TI_TEMPLATE (fndecl))))
break;
}
- if (pop_p)
- pop_scope (ctype);
+ if (pushed_scope)
+ pop_scope (pushed_scope);
if (fndecls)
return OVL_CURRENT (fndecls);
- error ("prototype for `%#D' does not match any in class `%T'",
+ error ("prototype for %q#D does not match any in class %qT",
function, ctype);
is_conv_op = DECL_CONV_FN_P (fndecl);
is_conv_op = false;
}
if (format)
- format = " %#D";
+ format = " %+#D";
else if (fndecls)
- format = "candidates are: %#D";
+ format = N_("candidates are: %+#D");
else
- format = "candidate is: %#D";
- cp_error_at (format, fndecl);
+ format = N_("candidate is: %+#D");
+ error (format, fndecl);
}
}
else if (!COMPLETE_TYPE_P (ctype))
cxx_incomplete_type_error (function, ctype);
else
- error ("no `%#D' member function declared in class `%T'",
+ error ("no %q#D member function declared in class %qT",
function, ctype);
/* If we did not find the method in the class, add it to avoid
case we'll only confuse ourselves when the function is declared
properly within the class. */
if (COMPLETE_TYPE_P (ctype))
- add_method (ctype, function);
+ add_method (ctype, function, NULL_TREE);
return NULL_TREE;
}
{
DECL_DEFERRED_FN (decl) = 1;
DECL_DEFER_OUTPUT (decl) = 1;
- if (!deferred_fns)
- VARRAY_TREE_INIT (deferred_fns, 32, "deferred_fns");
- VARRAY_PUSH_TREE (deferred_fns, decl);
+ VEC_safe_push (tree, gc, deferred_fns, decl);
}
}
static void
note_vague_linkage_var (tree var)
{
- if (!pending_statics)
- VARRAY_TREE_INIT (pending_statics, 32, "pending_statics");
- VARRAY_PUSH_TREE (pending_statics, var);
+ VEC_safe_push (tree, gc, pending_statics, var);
}
/* We have just processed the DECL, which is a static data member.
void
finish_static_data_member_decl (tree decl, tree init, tree asmspec_tree,
- int flags)
+ int flags)
{
gcc_assert (TREE_PUBLIC (decl));
note_vague_linkage_var (decl);
if (LOCAL_CLASS_P (current_class_type))
- pedwarn ("local class `%#T' shall not have static data member `%#D'",
+ pedwarn ("local class %q#T shall not have static data member %q#D",
current_class_type, decl);
/* Static consts need not be initialized in the class definition. */
if (init != NULL_TREE && TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (decl)))
{
static int explained = 0;
-
+
error ("initializer invalid for static member with constructor");
if (!explained)
- {
+ {
error ("(an out of class initialization is required)");
explained = 1;
}
CHANGES TO CODE IN `start_method'. */
tree
-grokfield (const cp_declarator *declarator,
- cp_decl_specifier_seq *declspecs,
+grokfield (const cp_declarator *declarator,
+ cp_decl_specifier_seq *declspecs,
tree init, tree asmspec_tree,
- tree attrlist)
+ tree attrlist)
{
tree value;
const char *asmspec = 0;
if (!declspecs->any_specifiers_p
&& declarator->kind == cdk_id
- && TREE_CODE (declarator->u.id.name) == SCOPE_REF
- && (TREE_CODE (TREE_OPERAND (declarator->u.id.name, 1))
- == IDENTIFIER_NODE))
+ && declarator->u.id.qualifying_scope
+ && TREE_CODE (declarator->u.id.unqualified_name) == IDENTIFIER_NODE)
/* Access declaration */
- return do_class_using_decl (declarator->u.id.name);
+ return do_class_using_decl (declarator->u.id.qualifying_scope,
+ declarator->u.id.unqualified_name);
if (init
&& TREE_CODE (init) == TREE_LIST
if (TREE_CODE (value) == TYPE_DECL && init)
{
- error ("typedef `%D' is initialized (use __typeof__ instead)", value);
+ error ("typedef %qD is initialized (use __typeof__ instead)", value);
init = NULL_TREE;
}
if (DECL_NAME (value) != NULL_TREE
&& IDENTIFIER_POINTER (DECL_NAME (value))[0] == '_'
&& ! strcmp (IDENTIFIER_POINTER (DECL_NAME (value)), "_vptr"))
- error ("member `%D' conflicts with virtual function table field name",
- value);
+ error ("member %qD conflicts with virtual function table field name",
+ value);
/* Stash away type declarations. */
if (TREE_CODE (value) == TYPE_DECL)
if (processing_template_decl)
value = push_template_decl (value);
+ if (attrlist)
+ {
+ /* Avoid storing attributes in template parameters:
+ tsubst is not ready to handle them. */
+ tree type = TREE_TYPE (value);
+ if (TREE_CODE (type) == TEMPLATE_TYPE_PARM
+ || TREE_CODE (type) == BOUND_TEMPLATE_TEMPLATE_PARM)
+ sorry ("applying attributes to template parameters is not implemented");
+ else
+ cplus_decl_attributes (&value, attrlist, 0);
+ }
+
return value;
}
if (DECL_IN_AGGR_P (value))
{
- error ("`%D' is already defined in `%T'", value,
- DECL_CONTEXT (value));
+ error ("%qD is already defined in %qT", value, DECL_CONTEXT (value));
return void_type_node;
}
{
if (TREE_CODE (value) == FUNCTION_DECL)
{
- grok_function_init (value, init);
- init = NULL_TREE;
+ /* Initializers for functions are rejected early in the parser.
+ If we get here, it must be a pure specifier for a method. */
+ gcc_assert (TREE_CODE (TREE_TYPE (value)) == METHOD_TYPE);
+ gcc_assert (error_operand_p (init) || integer_zerop (init));
+ DECL_PURE_VIRTUAL_P (value) = 1;
}
else if (pedantic && TREE_CODE (value) != VAR_DECL)
/* Already complained in grokdeclarator. */
else
{
/* We allow initializers to become parameters to base
- initializers. */
+ initializers. */
if (TREE_CODE (init) == TREE_LIST)
{
if (TREE_CHAIN (init) == NULL_TREE)
if (!processing_template_decl)
{
- if (TREE_CODE (init) == CONST_DECL)
- init = DECL_INITIAL (init);
- else if (TREE_READONLY_DECL_P (init))
- init = decl_constant_value (init);
- else if (TREE_CODE (init) == CONSTRUCTOR)
+ if (TREE_CODE (init) == CONSTRUCTOR)
init = digest_init (TREE_TYPE (value), init, (tree *)0);
+ else
+ init = integral_constant_value (init);
+
if (init != error_mark_node && ! TREE_CONSTANT (init))
{
/* We can allow references to things that are effectively
switch (TREE_CODE (value))
{
case VAR_DECL:
- finish_static_data_member_decl (value, init, asmspec_tree,
+ finish_static_data_member_decl (value, init, asmspec_tree,
flags);
return value;
case FIELD_DECL:
if (asmspec)
- error ("`asm' specifiers are not permitted on non-static data members");
+ error ("%<asm%> specifiers are not permitted on non-static data members");
if (DECL_INITIAL (value) == error_mark_node)
init = error_mark_node;
cp_finish_decl (value, init, NULL_TREE, flags);
set_user_assembler_name (value, asmspec);
if (!DECL_FRIEND_P (value))
grok_special_member_properties (value);
-
+
cp_finish_decl (value, init, asmspec_tree, flags);
/* Pass friends back this way. */
DECL_IN_AGGR_P (value) = 1;
return value;
-
+
default:
gcc_unreachable ();
}
WIDTH is non-NULL for bit fields only, and is an INTEGER_CST node. */
tree
-grokbitfield (const cp_declarator *declarator,
+grokbitfield (const cp_declarator *declarator,
cp_decl_specifier_seq *declspecs, tree width)
{
tree value = grokdeclarator (declarator, declspecs, BITFIELD, 0, NULL);
if (TREE_CODE (value) == TYPE_DECL)
{
- error ("cannot declare `%D' to be a bit-field type", value);
+ error ("cannot declare %qD to be a bit-field type", value);
return NULL_TREE;
}
check here. */
if (TREE_CODE (value) == FUNCTION_DECL)
{
- error ("cannot declare bit-field `%D' with function type",
+ error ("cannot declare bit-field %qD with function type",
DECL_NAME (value));
return NULL_TREE;
}
if (DECL_IN_AGGR_P (value))
{
- error ("`%D' is already defined in the class %T", value,
- DECL_CONTEXT (value));
+ error ("%qD is already defined in the class %qT", value,
+ DECL_CONTEXT (value));
return void_type_node;
}
if (TREE_STATIC (value))
{
- error ("static member `%D' cannot be a bit-field", value);
+ error ("static member %qD cannot be a bit-field", value);
return NULL_TREE;
}
cp_finish_decl (value, NULL_TREE, NULL_TREE, 0);
return value;
}
-/* When a function is declared with an initializer,
- do the right thing. Currently, there are two possibilities:
-
- class B
- {
- public:
- // initialization possibility #1.
- virtual void f () = 0;
- int g ();
- };
-
- class D1 : B
- {
- public:
- int d1;
- // error, no f ();
- };
-
- class D2 : B
- {
- public:
- int d2;
- void f ();
- };
-
- class D3 : B
- {
- public:
- int d3;
- // initialization possibility #2
- void f () = B::f;
- };
-
-*/
-
-static void
-grok_function_init (tree decl, tree init)
-{
- /* An initializer for a function tells how this function should
- be inherited. */
- tree type = TREE_TYPE (decl);
-
- if (TREE_CODE (type) == FUNCTION_TYPE)
- error ("initializer specified for non-member function `%D'", decl);
- else if (integer_zerop (init))
- DECL_PURE_VIRTUAL_P (decl) = 1;
- else
- error ("invalid initializer for virtual method `%D'", decl);
-}
\f
void
cplus_decl_attributes (tree *decl, tree attributes, int flags)
SET_IDENTIFIER_TYPE_VALUE (DECL_NAME (*decl), TREE_TYPE (*decl));
}
\f
-/* Walks through the namespace- or function-scope anonymous union OBJECT,
- building appropriate ALIAS_DECLs. Returns one of the fields for use in
- the mangled name. */
+/* Walks through the namespace- or function-scope anonymous union
+ OBJECT, with the indicated TYPE, building appropriate ALIAS_DECLs.
+ Returns one of the fields for use in the mangled name. */
static tree
-build_anon_union_vars (tree object)
+build_anon_union_vars (tree type, tree object)
{
- tree type = TREE_TYPE (object);
tree main_decl = NULL_TREE;
tree field;
if (TREE_CODE (type) != UNION_TYPE)
error ("anonymous struct not inside named type");
- for (field = TYPE_FIELDS (type);
- field != NULL_TREE;
+ for (field = TYPE_FIELDS (type);
+ field != NULL_TREE;
field = TREE_CHAIN (field))
{
tree decl;
continue;
if (TREE_CODE (field) != FIELD_DECL)
{
- cp_pedwarn_at ("\
-`%#D' invalid; an anonymous union can only have non-static data members",
- field);
+ pedwarn ("%q+#D invalid; an anonymous union can only "
+ "have non-static data members", field);
continue;
}
if (TREE_PRIVATE (field))
- cp_pedwarn_at ("private member `%#D' in anonymous union", field);
+ pedwarn ("private member %q+#D in anonymous union", field);
else if (TREE_PROTECTED (field))
- cp_pedwarn_at ("protected member `%#D' in anonymous union", field);
+ pedwarn ("protected member %q+#D in anonymous union", field);
if (processing_template_decl)
ref = build_min_nt (COMPONENT_REF, object,
if (DECL_NAME (field))
{
decl = build_decl (ALIAS_DECL, DECL_NAME (field), TREE_TYPE (field));
- DECL_INITIAL (decl) = ref;
+ DECL_INITIAL (decl) = ref;
TREE_PUBLIC (decl) = 0;
TREE_STATIC (decl) = 0;
DECL_EXTERNAL (decl) = 1;
decl = pushdecl (decl);
}
else if (ANON_AGGR_TYPE_P (TREE_TYPE (field)))
- decl = build_anon_union_vars (ref);
+ decl = build_anon_union_vars (TREE_TYPE (field), ref);
else
decl = 0;
void
finish_anon_union (tree anon_union_decl)
{
- tree type = TREE_TYPE (anon_union_decl);
+ tree type;
tree main_decl;
- bool public_p = TREE_PUBLIC (anon_union_decl);
+ bool public_p;
+
+ if (anon_union_decl == error_mark_node)
+ return;
+
+ type = TREE_TYPE (anon_union_decl);
+ public_p = TREE_PUBLIC (anon_union_decl);
/* The VAR_DECL's context is the same as the TYPE's context. */
DECL_CONTEXT (anon_union_decl) = DECL_CONTEXT (TYPE_NAME (type));
-
+
if (TYPE_FIELDS (type) == NULL_TREE)
return;
return;
}
- main_decl = build_anon_union_vars (anon_union_decl);
+ main_decl = build_anon_union_vars (type, anon_union_decl);
if (main_decl == NULL_TREE)
{
- warning ("anonymous union with no members");
+ warning (0, "anonymous union with no members");
return;
}
tree args = TYPE_ARG_TYPES (type);
gcc_assert (TREE_CODE (type) == FUNCTION_TYPE);
-
+
if (!same_type_p (TREE_TYPE (type), ptr_type_node))
- e = 1, error ("`operator new' must return type `%T'", ptr_type_node);
+ {
+ e = 1;
+ error ("%<operator new%> must return type %qT", ptr_type_node);
+ }
if (!args || args == void_list_node
|| !same_type_p (TREE_VALUE (args), size_type_node))
{
e = 2;
if (args && args != void_list_node)
- args = TREE_CHAIN (args);
- pedwarn ("`operator new' takes type `size_t' (`%T') as first parameter", size_type_node);
+ args = TREE_CHAIN (args);
+ pedwarn ("%<operator new%> takes type %<size_t%> (%qT) "
+ "as first parameter", size_type_node);
}
switch (e)
{
/* Fall through. */
case 1:
type = build_exception_variant
- (build_function_type (ptr_type_node, args),
- TYPE_RAISES_EXCEPTIONS (type));
+ (build_function_type (ptr_type_node, args),
+ TYPE_RAISES_EXCEPTIONS (type));
/* Fall through. */
default:;
}
{
int e = 0;
tree args = TYPE_ARG_TYPES (type);
-
+
gcc_assert (TREE_CODE (type) == FUNCTION_TYPE);
if (!same_type_p (TREE_TYPE (type), void_type_node))
- e = 1, error ("`operator delete' must return type `%T'", void_type_node);
+ {
+ e = 1;
+ error ("%<operator delete%> must return type %qT", void_type_node);
+ }
if (!args || args == void_list_node
|| !same_type_p (TREE_VALUE (args), ptr_type_node))
{
e = 2;
if (args && args != void_list_node)
- args = TREE_CHAIN (args);
- error ("`operator delete' takes type `%T' as first parameter", ptr_type_node);
+ args = TREE_CHAIN (args);
+ error ("%<operator delete%> takes type %qT as first parameter",
+ ptr_type_node);
}
switch (e)
{
/* Fall through. */
case 1:
type = build_exception_variant
- (build_function_type (void_type_node, args),
- TYPE_RAISES_EXCEPTIONS (type));
+ (build_function_type (void_type_node, args),
+ TYPE_RAISES_EXCEPTIONS (type));
/* Fall through. */
default:;
}
we output the vtables that contain them. With vcall offsets,
we know all the thunks we'll need when we emit a virtual
function, so we emit the thunks there instead. */
- if (DECL_THUNK_P (fn))
+ if (DECL_THUNK_P (fn))
use_thunk (fn, /*emit_p=*/0);
mark_used (fn);
}
{
if (flag_weak)
make_decl_one_only (decl);
- else if (TREE_CODE (decl) == FUNCTION_DECL
+ else if (TREE_CODE (decl) == FUNCTION_DECL
|| (TREE_CODE (decl) == VAR_DECL && DECL_ARTIFICIAL (decl)))
/* We can just emit function and compiler-generated variables
statically; having multiple copies is (for the most part) only
- a waste of space.
+ a waste of space.
There are two correctness issues, however: the address of a
template instantiation with external linkage should be the
same, independent of what translation unit asks for the
address, and this will not hold when we emit multiple copies of
- the function. However, there's little else we can do.
+ the function. However, there's little else we can do.
Also, by default, the typeinfo implementation assumes that
there will be only one copy of the string used as the name for
/* For win32 we also want to put explicit instantiations in
linkonce sections, so that they will be merged with implicit
- instantiations; otherwise we get duplicate symbol errors.
- For Darwin we do not want explicit instantiations to be
+ instantiations; otherwise we get duplicate symbol errors.
+ For Darwin we do not want explicit instantiations to be
linkonce. */
void
if (CLASSTYPE_INTERFACE_KNOWN (ctype))
return;
- /* If MULTIPLE_SYMBOL_SPACES is defined and we saw a #pragma interface,
+ /* If MULTIPLE_SYMBOL_SPACES is set and we saw a #pragma interface,
we will have CLASSTYPE_INTERFACE_ONLY set but not
CLASSTYPE_INTERFACE_KNOWN. In that case, we don't want to use this
heuristic because someone will supply a #pragma implementation
import_export = (DECL_REALLY_EXTERN (method) ? -1 : 1);
}
-#ifdef MULTIPLE_SYMBOL_SPACES
- if (import_export == -1)
+ /* When MULTIPLE_SYMBOL_SPACES is set, we cannot count on seeing
+ a definition anywhere else. */
+ if (MULTIPLE_SYMBOL_SPACES && import_export == -1)
import_export = 0;
-#endif
/* Allow backends the chance to overrule the decision. */
if (targetm.cxx.import_export_class)
return true;
/* If this entity was used, let the back-end see it; it will decide
whether or not to emit it into the object file. */
- if (TREE_USED (decl)
+ if (TREE_USED (decl)
|| (DECL_ASSEMBLER_NAME_SET_P (decl)
&& TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
return true;
/* If the references to this class' vtables are optimized away,
still emit the appropriate debugging information. See
dfs_debug_mark. */
- if (DECL_COMDAT (primary_vtbl)
+ if (DECL_COMDAT (primary_vtbl)
&& CLASSTYPE_DEBUG_REQUESTED (ctype))
note_debug_info_needed (ctype);
return false;
if (TREE_TYPE (DECL_INITIAL (vtbl)) == 0)
{
tree expr = store_init_value (vtbl, DECL_INITIAL (vtbl));
-
+
/* It had better be all done at compile-time. */
gcc_assert (!expr);
}
{
DECL_VISIBILITY (decl) = VISIBILITY_DEFAULT;
DECL_VISIBILITY_SPECIFIED (decl) = 1;
- return;
}
-
- if (TREE_CODE (decl) == FUNCTION_DECL
- && DECL_DECLARED_INLINE_P (decl)
- && visibility_options.inlines_hidden)
+ else if (TREE_CODE (decl) == FUNCTION_DECL
+ && DECL_DECLARED_INLINE_P (decl)
+ && visibility_options.inlines_hidden)
{
- DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
+ /* Don't change it if it has been set explicitly by user. */
+ if (!DECL_VISIBILITY_SPECIFIED (decl))
+ {
+ DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
+ DECL_VISIBILITY_SPECIFIED (decl) = 1;
+ }
+ }
+ else if (CLASSTYPE_VISIBILITY_SPECIFIED (class_type))
+ {
+ DECL_VISIBILITY (decl) = CLASSTYPE_VISIBILITY (class_type);
DECL_VISIBILITY_SPECIFIED (decl) = 1;
}
- else
+ else if (!DECL_VISIBILITY_SPECIFIED (decl))
{
DECL_VISIBILITY (decl) = CLASSTYPE_VISIBILITY (class_type);
- DECL_VISIBILITY_SPECIFIED (decl)
- = CLASSTYPE_VISIBILITY_SPECIFIED (class_type);
+ DECL_VISIBILITY_SPECIFIED (decl) = 0;
}
}
}
int emit_p;
bool comdat_p;
bool import_p;
+ tree class_type = NULL_TREE;
if (DECL_INTERFACE_KNOWN (decl))
return;
vague linkage, maybe_commonize_var is used.
Therefore, the only declarations that should be provided to this
- function are those with external linkage that:
+ function are those with external linkage that are:
* implicit instantiations of function templates
;
else if (TREE_CODE (decl) == VAR_DECL && DECL_VTABLE_OR_VTT_P (decl))
{
- tree type = DECL_CONTEXT (decl);
- import_export_class (type);
- if (TYPE_FOR_JAVA (type))
+ class_type = DECL_CONTEXT (decl);
+ import_export_class (class_type);
+ if (TYPE_FOR_JAVA (class_type))
import_p = true;
- else if (CLASSTYPE_INTERFACE_KNOWN (type)
- && CLASSTYPE_INTERFACE_ONLY (type))
+ else if (CLASSTYPE_INTERFACE_KNOWN (class_type)
+ && CLASSTYPE_INTERFACE_ONLY (class_type))
import_p = true;
- else if (TARGET_WEAK_NOT_IN_ARCHIVE_TOC
- && !CLASSTYPE_USE_TEMPLATE (type)
- && CLASSTYPE_KEY_METHOD (type)
- && !DECL_DECLARED_INLINE_P (CLASSTYPE_KEY_METHOD (type)))
+ else if ((!flag_weak || TARGET_WEAK_NOT_IN_ARCHIVE_TOC)
+ && !CLASSTYPE_USE_TEMPLATE (class_type)
+ && CLASSTYPE_KEY_METHOD (class_type)
+ && !DECL_DECLARED_INLINE_P (CLASSTYPE_KEY_METHOD (class_type)))
/* The ABI requires that all virtual tables be emitted with
COMDAT linkage. However, on systems where COMDAT symbols
don't show up in the table of contents for a static
- archive, the linker will report errors about undefined
- symbols because it will not see the virtual table
- definition. Therefore, in the case that we know that the
- virtual table will be emitted in only one translation
- unit, we make the virtual table an ordinary definition
- with external linkage. */
+ archive, or on systems without weak symbols (where we
+ approximate COMDAT linkage by using internal linkage), the
+ linker will report errors about undefined symbols because
+ it will not see the virtual table definition. Therefore,
+ in the case that we know that the virtual table will be
+ emitted in only one translation unit, we make the virtual
+ table an ordinary definition with external linkage. */
DECL_EXTERNAL (decl) = 0;
- else if (CLASSTYPE_INTERFACE_KNOWN (type))
+ else if (CLASSTYPE_INTERFACE_KNOWN (class_type))
{
- /* TYPE is being exported from this translation unit, so DECL
- should be defined here. The ABI requires COMDAT
- linkage. Normally, we only emit COMDAT things when they
- are needed; make sure that we realize that this entity is
- indeed needed. */
- comdat_p = true;
- mark_needed (decl);
+ /* CLASS_TYPE is being exported from this translation unit,
+ so DECL should be defined here. */
+ if (!flag_weak && CLASSTYPE_EXPLICIT_INSTANTIATION (class_type))
+ /* If a class is declared in a header with the "extern
+ template" extension, then it will not be instantiated,
+ even in translation units that would normally require
+ it. Often such classes are explicitly instantiated in
+ one translation unit. Therefore, the explicit
+ instantiation must be made visible to other translation
+ units. */
+ DECL_EXTERNAL (decl) = 0;
+ else
+ {
+ /* The generic C++ ABI says that class data is always
+ COMDAT, even if there is a key function. Some
+ variants (e.g., the ARM EABI) says that class data
+ only has COMDAT linkage if the the class data might
+ be emitted in more than one translation unit. */
+ if (!CLASSTYPE_KEY_METHOD (class_type)
+ || targetm.cxx.class_data_always_comdat ())
+ {
+ /* The ABI requires COMDAT linkage. Normally, we
+ only emit COMDAT things when they are needed;
+ make sure that we realize that this entity is
+ indeed needed. */
+ comdat_p = true;
+ mark_needed (decl);
+ }
+ }
}
else if (!flag_implicit_templates
- && CLASSTYPE_IMPLICIT_INSTANTIATION (type))
+ && CLASSTYPE_IMPLICIT_INSTANTIATION (class_type))
import_p = true;
else
comdat_p = true;
tree type = TREE_TYPE (DECL_NAME (decl));
if (CLASS_TYPE_P (type))
{
+ class_type = type;
import_export_class (type);
if (CLASSTYPE_INTERFACE_KNOWN (type)
&& TYPE_POLYMORPHIC_P (type)
wherever it is used. */
&& flag_rtti)
import_p = true;
- else
+ else
{
- comdat_p = true;
if (CLASSTYPE_INTERFACE_KNOWN (type)
&& !CLASSTYPE_INTERFACE_ONLY (type))
- mark_needed (decl);
+ {
+ comdat_p = targetm.cxx.class_data_always_comdat ();
+ mark_needed (decl);
+ if (!flag_weak)
+ {
+ comdat_p = false;
+ DECL_EXTERNAL (decl) = 0;
+ }
+ }
+ else
+ comdat_p = true;
}
}
else
data member. */
if (flag_implicit_templates
|| (flag_implicit_inline_templates
- && TREE_CODE (decl) == FUNCTION_DECL
+ && TREE_CODE (decl) == FUNCTION_DECL
&& DECL_DECLARED_INLINE_P (decl)))
comdat_p = true;
else
{
DECL_NOT_REALLY_EXTERN (decl)
= ! (CLASSTYPE_INTERFACE_ONLY (ctype)
- || (DECL_DECLARED_INLINE_P (decl)
+ || (DECL_DECLARED_INLINE_P (decl)
&& ! flag_implement_inlines
&& !DECL_VINDEX (decl)));
comdat_linkage (decl);
}
+ /* Give the target a chance to override the visibility associated
+ with DECL. */
+ if (TREE_CODE (decl) == VAR_DECL
+ && (DECL_TINFO_P (decl)
+ || (DECL_VTABLE_OR_VTT_P (decl)
+ /* Construction virtual tables are not exported because
+ they cannot be referred to from other object files;
+ their name is not standardized by the ABI. */
+ && !DECL_CONSTRUCTION_VTABLE_P (decl)))
+ && TREE_PUBLIC (decl)
+ && !DECL_REALLY_EXTERN (decl)
+ && DECL_VISIBILITY_SPECIFIED (decl)
+ && (!class_type || !CLASSTYPE_VISIBILITY_SPECIFIED (class_type)))
+ targetm.cxx.determine_class_data_visibility (decl);
+
DECL_INTERFACE_KNOWN (decl) = 1;
}
as an integer counter. */
guard_type = targetm.cxx.guard_type ();
guard = build_decl (VAR_DECL, sname, guard_type);
-
+
/* The guard should have the same linkage as what it guards. */
TREE_PUBLIC (guard) = TREE_PUBLIC (decl);
TREE_STATIC (guard) = TREE_STATIC (decl);
DECL_COMMON (guard) = DECL_COMMON (decl);
DECL_ONE_ONLY (guard) = DECL_ONE_ONLY (decl);
if (TREE_PUBLIC (decl))
- DECL_WEAK (guard) = DECL_WEAK (decl);
-
+ DECL_WEAK (guard) = DECL_WEAK (decl);
+
DECL_ARTIFICIAL (guard) = 1;
+ DECL_IGNORED_P (guard) = 1;
TREE_USED (guard) = 1;
pushdecl_top_level_and_finish (guard, NULL_TREE);
}
{
/* We only set the first byte of the guard, in order to leave room
for a mutex in the high-order bits. */
- guard = build1 (ADDR_EXPR,
+ guard = build1 (ADDR_EXPR,
build_pointer_type (TREE_TYPE (guard)),
guard);
- guard = build1 (NOP_EXPR,
- build_pointer_type (char_type_node),
+ guard = build1 (NOP_EXPR,
+ build_pointer_type (char_type_node),
guard);
guard = build1 (INDIRECT_REF, char_type_node, guard);
}
else
sprintf (type, "%c", method_type);
- fndecl = build_lang_decl (FUNCTION_DECL,
+ fndecl = build_lang_decl (FUNCTION_DECL,
get_file_function_name_long (type),
build_function_type (void_type_node,
void_list_node));
if (targetm.have_ctors_dtors)
{
rtx fnsym = XEXP (DECL_RTL (fn), 0);
+ cgraph_mark_needed_node (cgraph_node (fn));
if (method_type == 'I')
(* targetm.asm_out.constructor) (fnsym, initp);
else
/* All the static storage duration functions created in this
translation unit. */
-static GTY(()) varray_type ssdf_decls;
+static GTY(()) VEC(tree,gc) *ssdf_decls;
/* A map from priority levels to information about that priority
level. There may be many such levels, so efficient lookup is
nonzero, it performs initializations. Otherwise, it performs
destructions. It only performs those initializations or
destructions with the indicated __PRIORITY. The generated function
- returns no value.
+ returns no value.
It is assumed that this function will only be called once per
translation unit. */
type = build_function_type (void_type_node, parm_types);
/* Create the FUNCTION_DECL itself. */
- ssdf_decl = build_lang_decl (FUNCTION_DECL,
+ ssdf_decl = build_lang_decl (FUNCTION_DECL,
get_identifier (id),
type);
TREE_PUBLIC (ssdf_decl) = 0;
static constructors and destructors. */
if (!ssdf_decls)
{
- VARRAY_TREE_INIT (ssdf_decls, 32, "ssdf_decls");
+ ssdf_decls = VEC_alloc (tree, gc, 32);
/* Take this opportunity to initialize the map from priority
numbers to information about that priority level. */
get_priority_info (DEFAULT_INIT_PRIORITY);
}
- VARRAY_PUSH_TREE (ssdf_decls, ssdf_decl);
+ VEC_safe_push (tree, gc, ssdf_decls, ssdf_decl);
/* Create the argument list. */
initialize_p_decl = cp_build_parm_decl
function as:
static void __ssdf (int __initialize_p, init __priority_p);
-
+
It is static because we only need to call this function from the
various constructor and destructor functions for this module. */
start_preparsed_function (ssdf_decl,
priority_info pi;
splay_tree_node n;
- n = splay_tree_lookup (priority_info_map,
+ n = splay_tree_lookup (priority_info_map,
(splay_tree_key) priority);
if (!n)
{
the conversion functions, or the destructor called to
create and destroy a static data member is performed as
if these calls appeared in the scope of the member's
- class.
+ class.
we pretend we are in a static member function of the class of
which the DECL is a member. */
DECL_CONTEXT (current_function_decl) = DECL_CONTEXT (decl);
DECL_STATIC_FUNCTION_P (current_function_decl) = 1;
}
-
+
/* Conditionalize this initialization on being in the right priority
and being initializing/finalizing appropriately. */
guard_if_stmt = begin_if_stmt ();
might be initialized in more than one place. (For example, a
static data member of a template, when the data member requires
construction.) */
- if (TREE_PUBLIC (decl) && (DECL_COMMON (decl)
+ if (TREE_PUBLIC (decl) && (DECL_COMMON (decl)
|| DECL_ONE_ONLY (decl)
|| DECL_WEAK (decl)))
{
destructions only if the GUARD is one, i.e., if we are the
last to destroy the variable. */
else if (initp)
- guard_cond
+ guard_cond
= cp_build_binary_op (EQ_EXPR,
build_unary_op (PREINCREMENT_EXPR,
guard,
/*noconvert=*/1),
integer_one_node);
else
- guard_cond
+ guard_cond
= cp_build_binary_op (EQ_EXPR,
build_unary_op (PREDECREMENT_EXPR,
guard,
if (init)
finish_expr_stmt (init);
- /* If we're using __cxa_atexit, register a a function that calls the
+ /* If we're using __cxa_atexit, register a function that calls the
destructor for the object. */
if (flag_use_cxa_atexit)
finish_expr_stmt (register_dtor_fn (decl));
/* Also, if the initializer already contains errors, we can bail
out now. */
- if (init && TREE_CODE (init) == TREE_LIST
+ if (init && TREE_CODE (init) == TREE_LIST
&& value_member (error_mark_node, init))
{
var = &TREE_CHAIN (t);
#else
locus->line++;
#endif
-
+
/* We use `I' to indicate initialization and `D' to indicate
destruction. */
function_key = constructor_p ? 'I' : 'D';
global constructors and destructors. */
body = NULL_TREE;
+ /* For Objective-C++, we may need to initialize metadata found in this module.
+ This must be done _before_ any other static initializations. */
+ if (c_dialect_objc () && (priority == DEFAULT_INIT_PRIORITY)
+ && constructor_p && objc_static_init_needed_p ())
+ {
+ body = start_objects (function_key, priority);
+ static_ctors = objc_generate_static_init_call (static_ctors);
+ }
+
/* Call the static storage duration function with appropriate
arguments. */
- if (ssdf_decls)
- for (i = 0; i < ssdf_decls->elements_used; ++i)
- {
- fndecl = VARRAY_TREE (ssdf_decls, i);
-
- /* Calls to pure or const functions will expand to nothing. */
- if (! (flags_from_decl_or_type (fndecl) & (ECF_CONST | ECF_PURE)))
- {
- if (! body)
- body = start_objects (function_key, priority);
-
- arguments = tree_cons (NULL_TREE,
- build_int_cst (NULL_TREE, priority),
- NULL_TREE);
- arguments = tree_cons (NULL_TREE,
- build_int_cst (NULL_TREE, constructor_p),
- arguments);
- finish_expr_stmt (build_function_call (fndecl, arguments));
- }
- }
+ for (i = 0; VEC_iterate (tree, ssdf_decls, i, fndecl); ++i)
+ {
+ /* Calls to pure or const functions will expand to nothing. */
+ if (! (flags_from_decl_or_type (fndecl) & (ECF_CONST | ECF_PURE)))
+ {
+ if (! body)
+ body = start_objects (function_key, priority);
+
+ arguments = tree_cons (NULL_TREE,
+ build_int_cst (NULL_TREE, priority),
+ NULL_TREE);
+ arguments = tree_cons (NULL_TREE,
+ build_int_cst (NULL_TREE, constructor_p),
+ arguments);
+ finish_expr_stmt (build_function_call (fndecl, arguments));
+ }
+ }
/* If we're generating code for the DEFAULT_INIT_PRIORITY, throw in
calls to any functions marked with attributes indicating that
{
tree fns;
- for (fns = constructor_p ? static_ctors : static_dtors;
+ for (fns = constructor_p ? static_ctors : static_dtors;
fns;
fns = TREE_CHAIN (fns))
{
vtbl = TREE_CHAIN (vtbl))
mark_decl_referenced (vtbl);
}
- else if (DECL_CONTEXT (t)
+ else if (DECL_CONTEXT (t)
&& TREE_CODE (DECL_CONTEXT (t)) == FUNCTION_DECL)
/* If we need a static variable in a function, then we
need the containing function. */
return NULL;
}
+/* Java requires that we be able to reference a local address for a
+ method, and not be confused by PLT entries. If hidden aliases are
+ supported, emit one for each java function that we've emitted. */
+
+static void
+build_java_method_aliases (void)
+{
+ struct cgraph_node *node;
+
+#ifndef HAVE_GAS_HIDDEN
+ return;
+#endif
+
+ for (node = cgraph_nodes; node ; node = node->next)
+ {
+ tree fndecl = node->decl;
+
+ if (TREE_ASM_WRITTEN (fndecl)
+ && DECL_CONTEXT (fndecl)
+ && TYPE_P (DECL_CONTEXT (fndecl))
+ && TYPE_FOR_JAVA (DECL_CONTEXT (fndecl))
+ && TARGET_USE_LOCAL_THUNK_ALIAS_P (fndecl))
+ {
+ /* Mangle the name in a predictable way; we need to reference
+ this from a java compiled object file. */
+ tree oid, nid, alias;
+ const char *oname;
+ char *nname;
+
+ oid = DECL_ASSEMBLER_NAME (fndecl);
+ oname = IDENTIFIER_POINTER (oid);
+ gcc_assert (oname[0] == '_' && oname[1] == 'Z');
+ nname = ACONCAT (("_ZGA", oname+2, NULL));
+ nid = get_identifier (nname);
+
+ alias = make_alias_for (fndecl, nid);
+ TREE_PUBLIC (alias) = 1;
+ DECL_VISIBILITY (alias) = VISIBILITY_HIDDEN;
+
+ assemble_alias (alias, oid);
+ }
+ }
+}
+
/* This routine is called from the last rule in yyparse ().
Its job is to create all the code needed to initialize and
destroy the global aggregates. We do the destruction
location_t locus;
unsigned ssdf_count = 0;
int retries = 0;
+ tree decl;
locus = input_location;
at_eof = 1;
input_line -= 1;
#endif
- interface_unknown = 1;
- interface_only = 0;
-
/* We now have to write out all the stuff we put off writing out.
These include:
o Template specializations that we have not yet instantiated,
- but which are needed.
+ but which are needed.
o Initialization and destruction for non-local objects with
- static storage duration. (Local objects with static storage
+ static storage duration. (Local objects with static storage
duration are initialized when their scope is first entered,
and are cleaned up via atexit.)
- o Virtual function tables.
+ o Virtual function tables.
All of these may cause others to be needed. For example,
instantiating one function may cause another to be needed, and
emit_support_tinfos ();
- do
+ do
{
tree t;
- size_t n_old, n_new;
+ tree decl;
reconsider = false;
ggc_collect ();
/* Write out virtual tables as required. Note that writing out
- the virtual table for a template class may cause the
- instantiation of members of that class. If we write out
- vtables then we remove the class from our list so we don't
- have to look at it again. */
+ the virtual table for a template class may cause the
+ instantiation of members of that class. If we write out
+ vtables then we remove the class from our list so we don't
+ have to look at it again. */
while (keyed_classes != NULL_TREE
- && maybe_emit_vtables (TREE_VALUE (keyed_classes)))
- {
- reconsider = true;
- keyed_classes = TREE_CHAIN (keyed_classes);
- }
-
+ && maybe_emit_vtables (TREE_VALUE (keyed_classes)))
+ {
+ reconsider = true;
+ keyed_classes = TREE_CHAIN (keyed_classes);
+ }
+
t = keyed_classes;
if (t != NULL_TREE)
- {
- tree next = TREE_CHAIN (t);
-
- while (next)
- {
- if (maybe_emit_vtables (TREE_VALUE (next)))
- {
- reconsider = true;
- TREE_CHAIN (t) = TREE_CHAIN (next);
- }
- else
- t = next;
-
- next = TREE_CHAIN (t);
- }
- }
+ {
+ tree next = TREE_CHAIN (t);
+
+ while (next)
+ {
+ if (maybe_emit_vtables (TREE_VALUE (next)))
+ {
+ reconsider = true;
+ TREE_CHAIN (t) = TREE_CHAIN (next);
+ }
+ else
+ t = next;
+
+ next = TREE_CHAIN (t);
+ }
+ }
/* Write out needed type info variables. We have to be careful
- looping through unemitted decls, because emit_tinfo_decl may
- cause other variables to be needed. We stick new elements
- (and old elements that we may need to reconsider) at the end
- of the array, then shift them back to the beginning once we're
- done. */
-
- n_old = VARRAY_ACTIVE_SIZE (unemitted_tinfo_decls);
- for (i = 0; i < n_old; ++i)
- {
- tree tinfo_decl = VARRAY_TREE (unemitted_tinfo_decls, i);
- if (emit_tinfo_decl (tinfo_decl))
- reconsider = true;
- else
- VARRAY_PUSH_TREE (unemitted_tinfo_decls, tinfo_decl);
- }
-
- /* The only elements we want to keep are the new ones. Copy
- them to the beginning of the array, then get rid of the
- leftovers. */
- n_new = VARRAY_ACTIVE_SIZE (unemitted_tinfo_decls) - n_old;
- if (n_new)
- memmove (&VARRAY_TREE (unemitted_tinfo_decls, 0),
- &VARRAY_TREE (unemitted_tinfo_decls, n_old),
- n_new * sizeof (tree));
- memset (&VARRAY_TREE (unemitted_tinfo_decls, n_new),
- 0, n_old * sizeof (tree));
- VARRAY_ACTIVE_SIZE (unemitted_tinfo_decls) = n_new;
+ looping through unemitted decls, because emit_tinfo_decl may
+ cause other variables to be needed. New elements will be
+ appended, and we remove from the vector those that actually
+ get emitted. */
+ for (i = VEC_length (tree, unemitted_tinfo_decls);
+ VEC_iterate (tree, unemitted_tinfo_decls, --i, t);)
+ if (emit_tinfo_decl (t))
+ {
+ reconsider = true;
+ VEC_unordered_remove (tree, unemitted_tinfo_decls, i);
+ }
/* The list of objects with static storage duration is built up
in reverse order. We clear STATIC_AGGREGATES so that any new
locus.line++;
#endif
}
-
+
/* Go through the set of inline functions whose bodies have not
been emitted yet. If out-of-line copies of these functions
are required, emit them. */
- for (i = 0; i < deferred_fns_used; ++i)
+ for (i = 0; VEC_iterate (tree, deferred_fns, i, decl); ++i)
{
- tree decl = VARRAY_TREE (deferred_fns, i);
-
/* Does it need synthesizing? */
if (DECL_ARTIFICIAL (decl) && ! DECL_INITIAL (decl)
&& (! DECL_REALLY_EXTERN (decl) || DECL_INLINE (decl)))
finish_function doesn't clean things up, and we end
up with CURRENT_FUNCTION_DECL set. */
push_to_top_level ();
+ /* The decl's location will mark where it was first
+ needed. Save that so synthesize method can indicate
+ where it was needed from, in case of error */
+ input_location = DECL_SOURCE_LOCATION (decl);
synthesize_method (decl);
pop_from_top_level ();
reconsider = true;
reconsider = true;
/* Static data members are just like namespace-scope globals. */
- for (i = 0; i < pending_statics_used; ++i)
+ for (i = 0; VEC_iterate (tree, pending_statics, i, decl); ++i)
{
- tree decl = VARRAY_TREE (pending_statics, i);
if (var_finalized_p (decl) || DECL_REALLY_EXTERN (decl))
continue;
import_export_decl (decl);
if (DECL_NOT_REALLY_EXTERN (decl) && decl_needed_p (decl))
DECL_EXTERNAL (decl) = 0;
}
- if (pending_statics
- && wrapup_global_declarations (&VARRAY_TREE (pending_statics, 0),
- pending_statics_used))
- reconsider = true;
-
- /* Ask the back end to emit functions and variables that are
- enqued. These emissions may result in marking more entities
- as needed. */
- if (cgraph_assemble_pending_functions ())
- reconsider = true;
- if (cgraph_varpool_assemble_pending_decls ())
+ if (VEC_length (tree, pending_statics) != 0
+ && wrapup_global_declarations (VEC_address (tree, pending_statics),
+ VEC_length (tree, pending_statics)))
reconsider = true;
retries++;
- }
+ }
while (reconsider);
/* All used inline functions must have a definition at this point. */
- for (i = 0; i < deferred_fns_used; ++i)
+ for (i = 0; VEC_iterate (tree, deferred_fns, i, decl); ++i)
{
- tree decl = VARRAY_TREE (deferred_fns, i);
-
if (/* Check online inline functions that were actually used. */
TREE_USED (decl) && DECL_DECLARED_INLINE_P (decl)
/* But not defined. */
already verified there was a definition. */
&& !DECL_EXPLICIT_INSTANTIATION (decl))
{
- cp_warning_at ("inline function `%D' used but never defined", decl);
+ warning (0, "inline function %q+D used but never defined", decl);
/* This symbol is effectively an "extern" declaration now.
This is not strictly necessary, but removes a duplicate
warning. */
TREE_PUBLIC (decl) = 1;
}
}
-
+
/* We give C linkage to static constructors and destructors. */
push_lang_context (lang_name_c);
/* Generate initialization and destruction functions for all
priorities for which they are required. */
if (priority_info_map)
- splay_tree_foreach (priority_info_map,
+ splay_tree_foreach (priority_info_map,
generate_ctor_and_dtor_functions_for_priority,
/*data=*/&locus);
else
{
-
+
if (static_ctors)
generate_ctor_or_dtor_function (/*constructor_p=*/true,
DEFAULT_INIT_PRIORITY, &locus);
if (priority_info_map)
splay_tree_delete (priority_info_map);
+ /* Generate any missing aliases. */
+ maybe_apply_pending_pragma_weaks ();
+
/* We're done with static constructors, so we can go back to "C++"
linkage now. */
pop_lang_context ();
cgraph_finalize_compilation_unit ();
cgraph_optimize ();
- /* Emit mudflap static registration function. This must be done
- after all the user functions have been expanded. */
- if (flag_mudflap)
- mudflap_finish_file ();
-
/* Now, issue warnings about static, but not defined, functions,
etc., and emit debugging information. */
walk_namespaces (wrapup_globals_for_namespace, /*data=*/&reconsider);
- if (pending_statics)
- check_global_declarations (&VARRAY_TREE (pending_statics, 0),
- pending_statics_used);
+ if (VEC_length (tree, pending_statics) != 0)
+ check_global_declarations (VEC_address (tree, pending_statics),
+ VEC_length (tree, pending_statics));
+
+ /* Generate hidden aliases for Java. */
+ build_java_method_aliases ();
finish_repo ();
dump_end (TDI_tu, stream);
}
}
-
+
timevar_pop (TV_VARCONST);
if (flag_detailed_statistics)
return build_min_non_dep (CALL_EXPR, expr, orig_fn, orig_args, NULL_TREE);
return expr;
}
-
+
void
check_default_args (tree x)
saw_def = true;
else if (saw_def)
{
- cp_error_at ("default argument missing for parameter %P of `%+#D'",
- i, x);
+ error ("default argument missing for parameter %P of %q+#D", i, x);
break;
}
}
{
if (DECL_DEFERRED_FN (decl))
return;
+
+ /* Remember the current location for a function we will end up
+ synthesizing. Then we can inform the user where it was
+ required in the case of error. */
+ if (DECL_ARTIFICIAL (decl) && DECL_NONSTATIC_MEMBER_FUNCTION_P (decl)
+ && !DECL_THUNK_P (decl))
+ DECL_SOURCE_LOCATION (decl) = input_location;
+
note_vague_linkage_fn (decl);
}
-
+
assemble_external (decl);
/* Is it a synthesized method that needs to be synthesized? */
if (TREE_CODE (decl) == FUNCTION_DECL
&& DECL_NONSTATIC_MEMBER_FUNCTION_P (decl)
- && DECL_ARTIFICIAL (decl)
+ && DECL_ARTIFICIAL (decl)
&& !DECL_THUNK_P (decl)
&& ! DECL_INITIAL (decl)
- /* Kludge: don't synthesize for default args. */
+ /* Kludge: don't synthesize for default args. Unfortunately this
+ rules out initializers of namespace-scoped objects too, but
+ it's sort-of ok if the implicit ctor or dtor decl keeps
+ pointing to the class location. */
&& current_function_decl)
{
synthesize_method (decl);
if ((DECL_NON_THUNK_FUNCTION_P (decl) || TREE_CODE (decl) == VAR_DECL)
&& DECL_LANG_SPECIFIC (decl) && DECL_TEMPLATE_INFO (decl)
&& (!DECL_EXPLICIT_INSTANTIATION (decl)
- || (TREE_CODE (decl) == FUNCTION_DECL
- && DECL_INLINE (DECL_TEMPLATE_RESULT
+ || (TREE_CODE (decl) == FUNCTION_DECL
+ && DECL_INLINE (DECL_TEMPLATE_RESULT
(template_for_substitution (decl))))))
/* We put off instantiating functions in order to improve compile
times. Maintaining a stack of active functions is expensive,
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