| /* Process the ObjC-specific declarations and variables for |
| the Objective-C++ compiler. |
| Copyright (C) 2005-2022 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 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/>. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "cp-tree.h" |
| |
| #include "c-family/c-objc.h" |
| #include "objcp-decl.h" |
| |
| /* Hacks to simulate start_struct() and finish_struct(). */ |
| |
| tree |
| objcp_start_struct (location_t loc ATTRIBUTE_UNUSED, |
| enum tree_code code ATTRIBUTE_UNUSED, tree name) |
| { |
| tree s; |
| /* The idea here is to mimic the actions that the C++ parser takes when |
| constructing 'extern "C" struct NAME {'. */ |
| push_lang_context (lang_name_c); |
| |
| if (!name) |
| name = make_anon_name (); |
| |
| s = xref_tag (record_type, name, TAG_how::GLOBAL); |
| CLASSTYPE_DECLARED_CLASS (s) = 0; /* this is a 'struct', not a 'class'. */ |
| xref_basetypes (s, NULL_TREE); /* no base classes here! */ |
| |
| return begin_class_definition (s); |
| } |
| |
| tree |
| objcp_finish_struct (location_t loc ATTRIBUTE_UNUSED, |
| tree t, tree fieldlist, tree attributes) |
| { |
| tree field, next_field; |
| |
| for (field = fieldlist; field; field = next_field) |
| { |
| next_field = TREE_CHAIN (field); /* insert one field at a time; */ |
| TREE_CHAIN (field) = NULL_TREE; /* otherwise, grokfield croaks. */ |
| finish_member_declaration (field); |
| } |
| t = finish_struct (t, attributes); |
| |
| /* If we are inside an @interface and are generating the list of |
| ivars, we need to check for duplicate ivars. |
| */ |
| if (fieldlist) |
| objc_detect_field_duplicates (true); |
| |
| pop_lang_context (); |
| |
| return t; |
| } |
| |
| void |
| objcp_finish_function (void) |
| { |
| /* The C++ flavor of 'finish_function' does not generate RTL -- one has |
| to call 'expand_or_defer_fn' to do that. */ |
| expand_or_defer_fn (finish_function (0)); |
| } |
| |
| tree |
| objcp_xref_tag (enum tree_code code ATTRIBUTE_UNUSED, tree name) |
| { |
| return xref_tag (record_type, name, TAG_how::GLOBAL); |
| } |
| |
| int |
| objcp_comptypes (tree type1, tree type2) |
| { |
| return comptypes (type1, type2, COMPARE_STRICT); |
| } |
| |
| tree |
| objcp_begin_compound_stmt (int flags ATTRIBUTE_UNUSED) |
| { |
| return begin_compound_stmt (0); |
| } |
| |
| tree |
| objcp_end_compound_stmt (tree stmt, int flags ATTRIBUTE_UNUSED) |
| { |
| /* The following has been snarfed from |
| cp/semantics.cc:finish_compound_stmt(). */ |
| if (TREE_CODE (stmt) == BIND_EXPR) |
| BIND_EXPR_BODY (stmt) = do_poplevel (BIND_EXPR_BODY (stmt)); |
| else if (STATEMENT_LIST_NO_SCOPE (stmt)) |
| stmt = pop_stmt_list (stmt); |
| else |
| stmt = do_poplevel (stmt); |
| |
| return stmt; |
| } |