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/* Definitions of Objective-C front-end entry points used for C and C++.
   Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998,
   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
   Free Software Foundation, Inc.
 
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 3, 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 COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
#ifndef GCC_C_COMMON_OBJC_H
#define GCC_C_COMMON_OBJC_H
 
/* ObjC ivar visibility types.  */
typedef enum objc_ivar_visibility_kind {
  OBJC_IVAR_VIS_PROTECTED = 0,
  OBJC_IVAR_VIS_PUBLIC    = 1,
  OBJC_IVAR_VIS_PRIVATE   = 2,
  OBJC_IVAR_VIS_PACKAGE   = 3
} objc_ivar_visibility_kind;
 
/* Objective-C / Objective-C++ entry points.  */
 
/* The following ObjC/ObjC++ functions are called by the C and/or C++
   front-ends; they all must have corresponding stubs in stub-objc.c.  */
extern void objc_write_global_declarations (void);
extern tree objc_is_class_name (tree);
extern tree objc_is_object_ptr (tree);
extern void objc_check_decl (tree);
extern void objc_check_global_decl (tree);
extern tree objc_common_type (tree, tree);
extern bool objc_compare_types (tree, tree, int, tree);
extern bool objc_have_common_type (tree, tree, int, tree);
extern bool objc_diagnose_private_ivar (tree);
extern void objc_volatilize_decl (tree);
extern tree objc_rewrite_function_call (tree, tree);
extern tree objc_message_selector (void);
extern tree objc_lookup_ivar (tree, tree);
extern void objc_clear_super_receiver (void);
extern int objc_is_public (tree, tree);
extern tree objc_is_id (tree);
extern void objc_declare_alias (tree, tree);
extern void objc_declare_class (tree);
extern void objc_declare_protocol (tree, tree);
extern tree objc_build_message_expr (tree, tree);
extern tree objc_finish_message_expr (tree, tree, tree, tree*);
extern tree objc_build_selector_expr (location_t, tree);
extern tree objc_build_protocol_expr (tree);
extern tree objc_build_encode_expr (tree);
extern tree objc_build_string_object (tree);
extern tree objc_get_protocol_qualified_type (tree, tree);
extern tree objc_get_class_reference (tree);
extern tree objc_get_class_ivars (tree);
extern bool objc_detect_field_duplicates (bool);
extern void objc_start_class_interface (tree, tree, tree, tree);
extern void objc_start_category_interface (tree, tree, tree, tree);
extern void objc_start_protocol (tree, tree, tree);
extern void objc_continue_interface (void);
extern void objc_finish_interface (void);
extern void objc_start_class_implementation (tree, tree);
extern void objc_start_category_implementation (tree, tree);
extern void objc_continue_implementation (void);
extern void objc_finish_implementation (void);
extern void objc_set_visibility (objc_ivar_visibility_kind);
extern tree objc_build_method_signature (bool, tree, tree, tree, bool);
extern void objc_add_method_declaration (bool, tree, tree);
extern bool objc_start_method_definition (bool, tree, tree, tree);
extern void objc_finish_method_definition (tree);
extern void objc_add_instance_variable (tree);
extern tree objc_build_keyword_decl (tree, tree, tree, tree);
extern tree objc_build_throw_stmt (location_t, tree);
extern void objc_begin_try_stmt (location_t, tree);
extern tree objc_finish_try_stmt (void);
extern void objc_begin_catch_clause (tree);
extern void objc_finish_catch_clause (void);
extern void objc_build_finally_clause (location_t, tree);
extern tree objc_build_synchronized (location_t, tree, tree);
extern int objc_static_init_needed_p (void);
extern tree objc_generate_static_init_call (tree);
extern tree objc_generate_write_barrier (tree, enum tree_code, tree);
extern void objc_set_method_opt (bool);
extern void objc_finish_foreach_loop (location_t, tree, tree, tree, tree, tree);
extern bool  objc_method_decl (enum tree_code);
extern void objc_add_property_declaration (location_t, tree, bool, bool, bool, 
					   bool, bool, bool, tree, tree);
extern tree objc_maybe_build_component_ref (tree, tree);
extern tree objc_build_class_component_ref (tree, tree);
extern tree objc_maybe_build_modify_expr (tree, tree);
extern tree objc_build_incr_expr_for_property_ref (location_t, enum tree_code, 
						   tree, tree);
extern void objc_add_synthesize_declaration (location_t, tree);
extern void objc_add_dynamic_declaration (location_t, tree);
extern const char * objc_maybe_printable_name (tree, int);
extern bool objc_is_property_ref (tree);
extern bool objc_string_ref_type_p (tree);
extern void objc_check_format_arg (tree, tree);
extern void objc_finish_function (void);
extern void objc_maybe_warn_exceptions (location_t);
 
/* The following are provided by the C and C++ front-ends, and called by
   ObjC/ObjC++.  */
extern void *objc_get_current_scope (void);
extern void objc_mark_locals_volatile (void *);
 
#endif /* ! GCC_C_COMMON_OBJC_H */