+2004-08-31 Ziemowit Laski <zlaski@apple.com>
+
+ * Make-lang.in (CXX_AND_OBJCXX_OBJS): Add cp/cp-objcp-common.o.
+ (cp/cp-lang.o): Depend on debug.h, gtype-cp.h and cp/cp-objcp-common.h.
+ (cp/cp-decl.c): Do not depend on gtype-cp.h.
+ (cp/cp-objcp-common.o): New target.
+ * cp-lang.c: Include debug.h, cp-objcp-common.h and gtype-cp.h.
+ (cxx_get_alias_set, cxx_warn_unused_global_decl, cp_expr_size,
+ cp_tree_size, cp_var_mod_type_p, cxx_initialize_diagnostics): Move
+ prototypes and definitions to cp-objcp-common.h and cp-objcp-common.c,
+ respectively.
+ (LANG_HOOKS_TREE_SIZE, LANG_HOOKS_FINISH,
+ LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_INIT_OPTIONS,
+ LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
+ LANG_HOOKS_HANDLE_FILENAME, LANG_HOOKS_MISSING_ARGUMENT,
+ LANG_HOOKS_POST_OPTIONS, LANG_HOOKS_GET_ALIAS_SET,
+ LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_EXPAND_EXPR,
+ LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_PARSE_FILE,
+ LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, LANG_HOOKS_TRUTHVALUE_CONVERSION,
+ LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, LANG_HOOKS_MARK_ADDRESSABLE,
+ LANG_HOOKS_PRINT_STATISTICS, LANG_HOOKS_PRINT_XNODE,
+ LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE,
+ LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_PRINT_ERROR_FUNCTION,
+ LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, LANG_HOOKS_WRITE_GLOBALS,
+ LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
+ LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
+ LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
+ LANG_HOOKS_ATTRIBUTE_TABLE, LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
+ LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
+ LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
+ LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P,
+ LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
+ LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P,
+ LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
+ LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN, LANG_HOOKS_EXPR_SIZE,
+ LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR,
+ LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_MAKE_TYPE,
+ LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE,
+ LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
+ LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, LANG_HOOKS_INCOMPLETE_TYPE_ERROR,
+ LANG_HOOKS_TYPE_PROMOTES_TO, LANG_HOOKS_REGISTER_BUILTIN_TYPE,
+ LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_FOLD_OBJ_TYPE_REF): Move
+ hooks to cp-objcp-common.h.
+ (finish_file): New function.
+ * cp-objcp-common.c: New file.
+ * cp-objcp-common.h: New file.
+ * cp-tree.h (cp_finish_file): New prototype.
+ * decl.c: Do not include gtype-cp.h.
+ * decl2.c (finish_file): Rename to cp_finish_file.
+
2004-08-31 Richard Henderson <rth@redhat.com>
PR c++/17221
cp/class.o cp/decl2.o cp/error.o cp/lex.o cp/parser.o cp/ptree.o cp/rtti.o \
cp/typeck.o cp/cvt.o cp/except.o cp/friend.o cp/init.o cp/method.o \
cp/search.o cp/semantics.o cp/tree.o cp/repo.o cp/dump.o cp/optimize.o \
- cp/mangle.o cp/name-lookup.o cp/cxx-pretty-print.o \
+ cp/mangle.o cp/cp-objcp-common.o cp/name-lookup.o cp/cxx-pretty-print.o \
cp/cp-gimplify.o tree-mudflap.o $(CXX_C_OBJS)
# Language-specific object files for C++.
cp/lex.o: cp/lex.c $(CXX_TREE_H) $(TM_H) flags.h \
c-pragma.h toplev.h output.h input.h cp/operators.def $(TM_P_H)
-cp/cp-lang.o: cp/cp-lang.c $(CXX_TREE_H) $(TM_H) toplev.h langhooks.h \
- $(LANGHOOKS_DEF_H) c-common.h $(CXX_PRETTY_PRINT_H) $(DIAGNOSTIC_H)
+cp/cp-lang.o: cp/cp-lang.c $(CXX_TREE_H) $(TM_H) toplev.h debug.h langhooks.h \
+ $(LANGHOOKS_DEF_H) c-common.h gtype-cp.h $(CXX_PRETTY_PRINT_H) $(DIAGNOSTIC_H) \
+ cp/cp-objcp-common.h
cp/decl.o: cp/decl.c $(CXX_TREE_H) $(TM_H) flags.h cp/decl.h stack.h \
output.h $(EXPR_H) except.h toplev.h $(HASHTAB_H) $(RTL_H) \
cp/operators.def $(TM_P_H) tree-inline.h diagnostic.h c-pragma.h \
- debug.h gt-cp-decl.h gtype-cp.h timevar.h $(TREE_FLOW_H)
+ debug.h gt-cp-decl.h timevar.h $(TREE_FLOW_H)
cp/decl2.o: cp/decl2.c $(CXX_TREE_H) $(TM_H) flags.h cp/decl.h $(EXPR_H) \
output.h except.h toplev.h $(RTL_H) c-common.h gt-cp-decl2.h cgraph.h
+cp/cp-objcp-common.o : cp/cp-objcp-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(TREE_H) $(CXX_TREE_H) c-common.h toplev.h langhooks.h \
+ $(LANGHOOKS_DEF_H) $(DIAGNOSTIC_H) debug.h $(CXX_PRETTY_PRINT_H) \
+ cp/cp-objcp-common.h
cp/typeck2.o: cp/typeck2.c $(CXX_TREE_H) $(TM_H) flags.h toplev.h output.h $(TM_P_H) \
diagnostic.h gt-cp-typeck2.h
cp/typeck.o: cp/typeck.c $(CXX_TREE_H) $(TM_H) flags.h $(RTL_H) $(EXPR_H) toplev.h \
#include "langhooks-def.h"
#include "diagnostic.h"
#include "cxx-pretty-print.h"
+#include "debug.h"
+#include "cp-objcp-common.h"
enum c_language_kind c_language = clk_cxx;
-static HOST_WIDE_INT cxx_get_alias_set (tree);
-static bool cxx_warn_unused_global_decl (tree);
-static tree cp_expr_size (tree);
-static size_t cp_tree_size (enum tree_code);
-static bool cp_var_mod_type_p (tree, tree);
+/* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
+ consequently, there should be very few hooks below. */
+
static int cxx_types_compatible_p (tree, tree);
-static void cxx_initialize_diagnostics (diagnostic_context *);
#undef LANG_HOOKS_NAME
#define LANG_HOOKS_NAME "GNU C++"
-#undef LANG_HOOKS_TREE_SIZE
-#define LANG_HOOKS_TREE_SIZE cp_tree_size
#undef LANG_HOOKS_INIT
#define LANG_HOOKS_INIT cxx_init
-#undef LANG_HOOKS_FINISH
-#define LANG_HOOKS_FINISH cxx_finish
-#undef LANG_HOOKS_CLEAR_BINDING_STACK
-#define LANG_HOOKS_CLEAR_BINDING_STACK pop_everything
-#undef LANG_HOOKS_INIT_OPTIONS
-#define LANG_HOOKS_INIT_OPTIONS c_common_init_options
-#undef LANG_HOOKS_INITIALIZE_DIAGNOSTICS
-#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS cxx_initialize_diagnostics
-#undef LANG_HOOKS_HANDLE_OPTION
-#define LANG_HOOKS_HANDLE_OPTION c_common_handle_option
-#undef LANG_HOOKS_HANDLE_FILENAME
-#define LANG_HOOKS_HANDLE_FILENAME c_common_handle_filename
-#undef LANG_HOOKS_MISSING_ARGUMENT
-#define LANG_HOOKS_MISSING_ARGUMENT c_common_missing_argument
-#undef LANG_HOOKS_POST_OPTIONS
-#define LANG_HOOKS_POST_OPTIONS c_common_post_options
-#undef LANG_HOOKS_GET_ALIAS_SET
-#define LANG_HOOKS_GET_ALIAS_SET cxx_get_alias_set
-#undef LANG_HOOKS_EXPAND_CONSTANT
-#define LANG_HOOKS_EXPAND_CONSTANT cplus_expand_constant
-#undef LANG_HOOKS_EXPAND_EXPR
-#define LANG_HOOKS_EXPAND_EXPR cxx_expand_expr
-#undef LANG_HOOKS_EXPAND_DECL
-#define LANG_HOOKS_EXPAND_DECL c_expand_decl
-#undef LANG_HOOKS_PARSE_FILE
-#define LANG_HOOKS_PARSE_FILE c_common_parse_file
-#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
-#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL cxx_dup_lang_specific_decl
-#undef LANG_HOOKS_TRUTHVALUE_CONVERSION
-#define LANG_HOOKS_TRUTHVALUE_CONVERSION c_common_truthvalue_conversion
-#undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
-#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME mangle_decl
-#undef LANG_HOOKS_MARK_ADDRESSABLE
-#define LANG_HOOKS_MARK_ADDRESSABLE cxx_mark_addressable
-#undef LANG_HOOKS_PRINT_STATISTICS
-#define LANG_HOOKS_PRINT_STATISTICS cxx_print_statistics
-#undef LANG_HOOKS_PRINT_XNODE
-#define LANG_HOOKS_PRINT_XNODE cxx_print_xnode
-#undef LANG_HOOKS_PRINT_DECL
-#define LANG_HOOKS_PRINT_DECL cxx_print_decl
-#undef LANG_HOOKS_PRINT_TYPE
-#define LANG_HOOKS_PRINT_TYPE cxx_print_type
-#undef LANG_HOOKS_PRINT_IDENTIFIER
-#define LANG_HOOKS_PRINT_IDENTIFIER cxx_print_identifier
#undef LANG_HOOKS_DECL_PRINTABLE_NAME
#define LANG_HOOKS_DECL_PRINTABLE_NAME cxx_printable_name
-#undef LANG_HOOKS_PRINT_ERROR_FUNCTION
-#define LANG_HOOKS_PRINT_ERROR_FUNCTION cxx_print_error_function
-#undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
-#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL cxx_warn_unused_global_decl
-#undef LANG_HOOKS_WRITE_GLOBALS
-#define LANG_HOOKS_WRITE_GLOBALS lhd_do_nothing
-
-
-#undef LANG_HOOKS_FUNCTION_INIT
-#define LANG_HOOKS_FUNCTION_INIT cxx_push_function_context
-#undef LANG_HOOKS_FUNCTION_FINAL
-#define LANG_HOOKS_FUNCTION_FINAL cxx_pop_function_context
-#undef LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P
-#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P cp_missing_noreturn_ok_p
-
-/* Attribute hooks. */
-#undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
-#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
-#undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
-#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
-#undef LANG_HOOKS_ATTRIBUTE_TABLE
-#define LANG_HOOKS_ATTRIBUTE_TABLE cxx_attribute_table
-
-#undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
-#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
- cp_walk_subtrees
-#undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
-#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
- cp_cannot_inline_tree_fn
-#undef LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS
-#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
- cp_add_pending_fn_decls
-#undef LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P
-#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
- cp_auto_var_in_fn_p
-#undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
-#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P anon_aggr_type_p
-#undef LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P
-#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P cp_var_mod_type_p
-#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
-#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN cp_dump_tree
-#undef LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN
-#define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN cp_type_quals
-#undef LANG_HOOKS_EXPR_SIZE
-#define LANG_HOOKS_EXPR_SIZE cp_expr_size
-
-#undef LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR
-#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR cxx_callgraph_analyze_expr
-#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
-#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION expand_body
-
-#undef LANG_HOOKS_MAKE_TYPE
-#define LANG_HOOKS_MAKE_TYPE cxx_make_type
-#undef LANG_HOOKS_TYPE_FOR_MODE
-#define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
-#undef LANG_HOOKS_TYPE_FOR_SIZE
-#define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
-#undef LANG_HOOKS_SIGNED_TYPE
-#define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
-#undef LANG_HOOKS_UNSIGNED_TYPE
-#define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
-#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
-#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
-#undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
-#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR cxx_incomplete_type_error
-#undef LANG_HOOKS_TYPE_PROMOTES_TO
-#define LANG_HOOKS_TYPE_PROMOTES_TO cxx_type_promotes_to
#undef LANG_HOOKS_TYPES_COMPATIBLE_P
#define LANG_HOOKS_TYPES_COMPATIBLE_P cxx_types_compatible_p
-#undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
-#define LANG_HOOKS_REGISTER_BUILTIN_TYPE c_register_builtin_type
-#undef LANG_HOOKS_GIMPLIFY_EXPR
-#define LANG_HOOKS_GIMPLIFY_EXPR cp_gimplify_expr
-#undef LANG_HOOKS_FOLD_OBJ_TYPE_REF
-#define LANG_HOOKS_FOLD_OBJ_TYPE_REF cp_fold_obj_type_ref
-/* Each front end provides its own hooks, for toplev.c. */
+/* Each front end provides its own lang hook initializer. */
const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
/* Tree code classes. */
};
#undef DEFTREECODE
-/* Special routine to get the alias set for C++. */
-
-static HOST_WIDE_INT
-cxx_get_alias_set (tree t)
-{
- if (IS_FAKE_BASE_TYPE (t))
- /* The base variant of a type must be in the same alias set as the
- complete type. */
- return get_alias_set (TYPE_CONTEXT (t));
-
- /* Punt on PMFs until we canonicalize functions properly. */
- if (TYPE_PTRMEMFUNC_P (t))
- return 0;
-
- return c_common_get_alias_set (t);
-}
-
-/* Called from check_global_declarations. */
-
-static bool
-cxx_warn_unused_global_decl (tree decl)
-{
- if (TREE_CODE (decl) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (decl))
- return false;
- if (DECL_IN_SYSTEM_HEADER (decl))
- return false;
-
- /* Const variables take the place of #defines in C++. */
- if (TREE_CODE (decl) == VAR_DECL && TREE_READONLY (decl))
- return false;
-
- return true;
-}
-
-/* Langhook for expr_size: Tell the backend that the value of an expression
- of non-POD class type does not include any tail padding; a derived class
- might have allocated something there. */
-
-static tree
-cp_expr_size (tree exp)
-{
- if (CLASS_TYPE_P (TREE_TYPE (exp)))
- {
- /* The backend should not be interested in the size of an expression
- of a type with both of these set; all copies of such types must go
- through a constructor or assignment op. */
- gcc_assert (!TYPE_HAS_COMPLEX_INIT_REF (TREE_TYPE (exp))
- || !TYPE_HAS_COMPLEX_ASSIGN_REF (TREE_TYPE (exp))
- /* But storing a CONSTRUCTOR isn't a copy. */
- || TREE_CODE (exp) == CONSTRUCTOR);
-
- /* This would be wrong for a type with virtual bases, but they are
- caught by the assert above. */
- return (is_empty_class (TREE_TYPE (exp))
- ? size_zero_node
- : CLASSTYPE_SIZE_UNIT (TREE_TYPE (exp)));
- }
- else
- /* Use the default code. */
- return lhd_expr_size (exp);
-}
-
-/* Langhook for tree_size: determine size of our 'x' and 'c' nodes. */
-static size_t
-cp_tree_size (enum tree_code code)
-{
- switch (code)
- {
- case TINST_LEVEL: return sizeof (struct tinst_level_s);
- case PTRMEM_CST: return sizeof (struct ptrmem_cst);
- case BASELINK: return sizeof (struct tree_baselink);
- case TEMPLATE_PARM_INDEX: return sizeof (template_parm_index);
- case DEFAULT_ARG: return sizeof (struct tree_default_arg);
- case OVERLOAD: return sizeof (struct tree_overload);
- default:
- gcc_unreachable ();
- }
- /* NOTREACHED */
-}
-
-/* Returns true if T is a variably modified type, in the sense of C99.
- FN is as passed to variably_modified_p.
- This routine needs only check cases that cannot be handled by the
- language-independent logic in tree.c. */
-
-static bool
-cp_var_mod_type_p (tree type, tree fn)
-{
- /* If TYPE is a pointer-to-member, it is variably modified if either
- the class or the member are variably modified. */
- if (TYPE_PTR_TO_MEMBER_P (type))
- return (variably_modified_type_p (TYPE_PTRMEM_CLASS_TYPE (type), fn)
- || variably_modified_type_p (TYPE_PTRMEM_POINTED_TO_TYPE (type),
- fn));
-
- /* All other types are not variably modified. */
- return false;
-}
+/* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;
+ there should be very few routines below. */
/* This compares two types for equivalence ("compatible" in C-based languages).
This routine should only return 1 if it is sure. It should not be used
return 0;
}
-/* Construct a C++-aware pretty-printer for CONTEXT. It is assumed
- that CONTEXT->printer is an already constructed basic pretty_printer. */
-static void
-cxx_initialize_diagnostics (diagnostic_context *context)
-{
- pretty_printer *base = context->printer;
- cxx_pretty_printer *pp = xmalloc (sizeof (cxx_pretty_printer));
- memcpy (pp_base (pp), base, sizeof (pretty_printer));
- pp_cxx_pretty_printer_init (pp);
- context->printer = (pretty_printer *) pp;
+/* The following function does something real, but only in Objective-C++. */
- /* It is safe to free this object because it was previously malloc()'d. */
- free (base);
-}
-
-/* Stubs to keep c-opts.c happy. */
-void
-push_file_scope (void)
+tree
+objcp_tsubst_copy_and_build (tree t ATTRIBUTE_UNUSED, tree args ATTRIBUTE_UNUSED,
+ tsubst_flags_t complain ATTRIBUTE_UNUSED,
+ tree in_decl ATTRIBUTE_UNUSED,
+ bool function_p ATTRIBUTE_UNUSED)
{
+ return NULL_TREE;
}
void
-pop_file_scope (void)
+finish_file (void)
{
+ cp_finish_file ();
}
-/* c-pragma.c needs to query whether a decl has extern "C" linkage. */
-bool
-has_c_linkage (tree decl)
-{
- return DECL_EXTERN_C_P (decl);
-}
+#include "gtype-cp.h"
--- /dev/null
+/* Some code common to C++ and ObjC++ front ends.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ Contributed by Ziemowit Laski <zlaski@apple.com>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+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. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "cp-tree.h"
+#include "c-common.h"
+#include "toplev.h"
+#include "langhooks.h"
+#include "langhooks-def.h"
+#include "diagnostic.h"
+#include "debug.h"
+#include "cxx-pretty-print.h"
+#include "cp-objcp-common.h"
+
+/* Special routine to get the alias set for C++. */
+
+HOST_WIDE_INT
+cxx_get_alias_set (tree t)
+{
+ if (IS_FAKE_BASE_TYPE (t))
+ /* The base variant of a type must be in the same alias set as the
+ complete type. */
+ return get_alias_set (TYPE_CONTEXT (t));
+
+ /* Punt on PMFs until we canonicalize functions properly. */
+ if (TYPE_PTRMEMFUNC_P (t))
+ return 0;
+
+ return c_common_get_alias_set (t);
+}
+
+/* Called from check_global_declarations. */
+
+bool
+cxx_warn_unused_global_decl (tree decl)
+{
+ if (TREE_CODE (decl) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (decl))
+ return false;
+ if (DECL_IN_SYSTEM_HEADER (decl))
+ return false;
+
+ /* Const variables take the place of #defines in C++. */
+ if (TREE_CODE (decl) == VAR_DECL && TREE_READONLY (decl))
+ return false;
+
+ return true;
+}
+
+/* Langhook for expr_size: Tell the backend that the value of an expression
+ of non-POD class type does not include any tail padding; a derived class
+ might have allocated something there. */
+
+tree
+cp_expr_size (tree exp)
+{
+ if (CLASS_TYPE_P (TREE_TYPE (exp)))
+ {
+ /* The backend should not be interested in the size of an expression
+ of a type with both of these set; all copies of such types must go
+ through a constructor or assignment op. */
+ gcc_assert (!TYPE_HAS_COMPLEX_INIT_REF (TREE_TYPE (exp))
+ || !TYPE_HAS_COMPLEX_ASSIGN_REF (TREE_TYPE (exp))
+ /* But storing a CONSTRUCTOR isn't a copy. */
+ || TREE_CODE (exp) == CONSTRUCTOR);
+
+ /* This would be wrong for a type with virtual bases, but they are
+ caught by the assert above. */
+ return (is_empty_class (TREE_TYPE (exp))
+ ? size_zero_node
+ : CLASSTYPE_SIZE_UNIT (TREE_TYPE (exp)));
+ }
+ else
+ /* Use the default code. */
+ return lhd_expr_size (exp);
+}
+
+/* Langhook for tree_size: determine size of our 'x' and 'c' nodes. */
+size_t
+cp_tree_size (enum tree_code code)
+{
+ switch (code)
+ {
+ case TINST_LEVEL: return sizeof (struct tinst_level_s);
+ case PTRMEM_CST: return sizeof (struct ptrmem_cst);
+ case BASELINK: return sizeof (struct tree_baselink);
+ case TEMPLATE_PARM_INDEX: return sizeof (template_parm_index);
+ case DEFAULT_ARG: return sizeof (struct tree_default_arg);
+ case OVERLOAD: return sizeof (struct tree_overload);
+ default:
+ gcc_unreachable ();
+ }
+ /* NOTREACHED */
+}
+
+/* Returns true if T is a variably modified type, in the sense of C99.
+ FN is as passed to variably_modified_p.
+ This routine needs only check cases that cannot be handled by the
+ language-independent logic in tree.c. */
+
+bool
+cp_var_mod_type_p (tree type, tree fn)
+{
+ /* If TYPE is a pointer-to-member, it is variably modified if either
+ the class or the member are variably modified. */
+ if (TYPE_PTR_TO_MEMBER_P (type))
+ return (variably_modified_type_p (TYPE_PTRMEM_CLASS_TYPE (type), fn)
+ || variably_modified_type_p (TYPE_PTRMEM_POINTED_TO_TYPE (type),
+ fn));
+
+ /* All other types are not variably modified. */
+ return false;
+}
+
+/* Construct a C++-aware pretty-printer for CONTEXT. It is assumed
+ that CONTEXT->printer is an already constructed basic pretty_printer. */
+void
+cxx_initialize_diagnostics (diagnostic_context *context)
+{
+ pretty_printer *base = context->printer;
+ cxx_pretty_printer *pp = xmalloc (sizeof (cxx_pretty_printer));
+ memcpy (pp_base (pp), base, sizeof (pretty_printer));
+ pp_cxx_pretty_printer_init (pp);
+ context->printer = (pretty_printer *) pp;
+
+ /* It is safe to free this object because it was previously malloc()'d. */
+ free (base);
+}
+
+/* Stubs to keep c-opts.c happy. */
+void
+push_file_scope (void)
+{
+}
+
+void
+pop_file_scope (void)
+{
+}
+
+/* c-pragma.c needs to query whether a decl has extern "C" linkage. */
+bool
+has_c_linkage (tree decl)
+{
+ return DECL_EXTERN_C_P (decl);
+}
--- /dev/null
+/* Language hooks common to C++ and ObjC++ front ends.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ Contributed by Ziemowit Laski <zlaski@apple.com>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+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. */
+
+#ifndef GCC_CP_OBJCP_COMMON
+#define GCC_CP_OBJCP_COMMON
+
+/* In cp/cp-objcp-common.c. */
+
+extern HOST_WIDE_INT cxx_get_alias_set (tree);
+extern bool cxx_warn_unused_global_decl (tree);
+extern tree cp_expr_size (tree);
+extern size_t cp_tree_size (enum tree_code);
+extern bool cp_var_mod_type_p (tree, tree);
+extern void cxx_initialize_diagnostics (struct diagnostic_context *);
+
+/* In cp/cp-lang.c and objcp/objcp-lang.c. */
+
+extern tree objcp_tsubst_copy_and_build (tree, tree, tsubst_flags_t,
+ tree, bool);
+
+/* Lang hooks that are shared between C++ and ObjC++ are defined here. Hooks
+ specific to C++ or ObjC++ go in cp/cp-lang.c and objcp/objcp-lang.c,
+ respectively. */
+
+#undef LANG_HOOKS_TREE_SIZE
+#define LANG_HOOKS_TREE_SIZE cp_tree_size
+#undef LANG_HOOKS_FINISH
+#define LANG_HOOKS_FINISH cxx_finish
+#undef LANG_HOOKS_CLEAR_BINDING_STACK
+#define LANG_HOOKS_CLEAR_BINDING_STACK pop_everything
+#undef LANG_HOOKS_INIT_OPTIONS
+#define LANG_HOOKS_INIT_OPTIONS c_common_init_options
+#undef LANG_HOOKS_INITIALIZE_DIAGNOSTICS
+#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS cxx_initialize_diagnostics
+#undef LANG_HOOKS_HANDLE_OPTION
+#define LANG_HOOKS_HANDLE_OPTION c_common_handle_option
+#undef LANG_HOOKS_HANDLE_FILENAME
+#define LANG_HOOKS_HANDLE_FILENAME c_common_handle_filename
+#undef LANG_HOOKS_MISSING_ARGUMENT
+#define LANG_HOOKS_MISSING_ARGUMENT c_common_missing_argument
+#undef LANG_HOOKS_POST_OPTIONS
+#define LANG_HOOKS_POST_OPTIONS c_common_post_options
+#undef LANG_HOOKS_GET_ALIAS_SET
+#define LANG_HOOKS_GET_ALIAS_SET cxx_get_alias_set
+#undef LANG_HOOKS_EXPAND_CONSTANT
+#define LANG_HOOKS_EXPAND_CONSTANT cplus_expand_constant
+#undef LANG_HOOKS_EXPAND_EXPR
+#define LANG_HOOKS_EXPAND_EXPR cxx_expand_expr
+#undef LANG_HOOKS_EXPAND_DECL
+#define LANG_HOOKS_EXPAND_DECL c_expand_decl
+#undef LANG_HOOKS_PARSE_FILE
+#define LANG_HOOKS_PARSE_FILE c_common_parse_file
+#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
+#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL cxx_dup_lang_specific_decl
+#undef LANG_HOOKS_TRUTHVALUE_CONVERSION
+#define LANG_HOOKS_TRUTHVALUE_CONVERSION c_common_truthvalue_conversion
+#undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
+#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME mangle_decl
+#undef LANG_HOOKS_MARK_ADDRESSABLE
+#define LANG_HOOKS_MARK_ADDRESSABLE cxx_mark_addressable
+#undef LANG_HOOKS_PRINT_STATISTICS
+#define LANG_HOOKS_PRINT_STATISTICS cxx_print_statistics
+#undef LANG_HOOKS_PRINT_XNODE
+#define LANG_HOOKS_PRINT_XNODE cxx_print_xnode
+#undef LANG_HOOKS_PRINT_DECL
+#define LANG_HOOKS_PRINT_DECL cxx_print_decl
+#undef LANG_HOOKS_PRINT_TYPE
+#define LANG_HOOKS_PRINT_TYPE cxx_print_type
+#undef LANG_HOOKS_PRINT_IDENTIFIER
+#define LANG_HOOKS_PRINT_IDENTIFIER cxx_print_identifier
+#undef LANG_HOOKS_PRINT_ERROR_FUNCTION
+#define LANG_HOOKS_PRINT_ERROR_FUNCTION cxx_print_error_function
+#undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
+#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL cxx_warn_unused_global_decl
+#undef LANG_HOOKS_WRITE_GLOBALS
+#define LANG_HOOKS_WRITE_GLOBALS lhd_do_nothing
+
+#undef LANG_HOOKS_FUNCTION_INIT
+#define LANG_HOOKS_FUNCTION_INIT cxx_push_function_context
+#undef LANG_HOOKS_FUNCTION_FINAL
+#define LANG_HOOKS_FUNCTION_FINAL cxx_pop_function_context
+#undef LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P
+#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P cp_missing_noreturn_ok_p
+
+/* Attribute hooks. */
+#undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
+#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
+#undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
+#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
+#undef LANG_HOOKS_ATTRIBUTE_TABLE
+#define LANG_HOOKS_ATTRIBUTE_TABLE cxx_attribute_table
+
+#undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
+#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
+ cp_walk_subtrees
+#undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
+#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
+ cp_cannot_inline_tree_fn
+#undef LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS
+#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
+ cp_add_pending_fn_decls
+#undef LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P
+#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
+ cp_auto_var_in_fn_p
+#undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
+#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P anon_aggr_type_p
+#undef LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P
+#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P cp_var_mod_type_p
+#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
+#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN cp_dump_tree
+#undef LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN
+#define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN cp_type_quals
+#undef LANG_HOOKS_EXPR_SIZE
+#define LANG_HOOKS_EXPR_SIZE cp_expr_size
+
+#undef LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR
+#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR cxx_callgraph_analyze_expr
+#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
+#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION expand_body
+
+#undef LANG_HOOKS_MAKE_TYPE
+#define LANG_HOOKS_MAKE_TYPE cxx_make_type
+#undef LANG_HOOKS_TYPE_FOR_MODE
+#define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
+#undef LANG_HOOKS_TYPE_FOR_SIZE
+#define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
+#undef LANG_HOOKS_SIGNED_TYPE
+#define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
+#undef LANG_HOOKS_UNSIGNED_TYPE
+#define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
+#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
+#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
+#undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
+#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR cxx_incomplete_type_error
+#undef LANG_HOOKS_TYPE_PROMOTES_TO
+#define LANG_HOOKS_TYPE_PROMOTES_TO cxx_type_promotes_to
+#undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
+#define LANG_HOOKS_REGISTER_BUILTIN_TYPE c_register_builtin_type
+#undef LANG_HOOKS_GIMPLIFY_EXPR
+#define LANG_HOOKS_GIMPLIFY_EXPR cp_gimplify_expr
+#undef LANG_HOOKS_FOLD_OBJ_TYPE_REF
+#define LANG_HOOKS_FOLD_OBJ_TYPE_REF cp_fold_obj_type_ref
+
+#endif /* GCC_CP_OBJCP_COMMON */
extern void cplus_decl_attributes (tree *, tree, int);
extern void finish_anon_union (tree);
extern tree finish_table (tree, tree, tree, int);
+extern void cp_finish_file (void);
extern tree coerce_new_type (tree);
extern tree coerce_delete_type (tree);
extern void comdat_linkage (tree);
}
#include "gt-cp-decl.h"
-#include "gtype-cp.h"
if (! flag_weak)
return;
- /* We can't set DECL_COMDAT on functions, or finish_file will think
+ /* We can't set DECL_COMDAT on functions, or cp_finish_file will think
we can get away with not emitting them if they aren't used. We need
to for variables so that cp_finish_decl will update their linkage,
because their DECL_INITIAL may not have been set properly yet. */
first, since that way we only need to reverse the decls once. */
void
-finish_file (void)
+cp_finish_file (void)
{
tree vars;
bool reconsider;
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