116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/* Process the ObjC-specific declarations and variables for
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the Objective-C++ compiler.
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Copyright (C) 2005-2016 Free Software Foundation, Inc.
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Contributed by Ziemowit Laski <zlaski@apple.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "cp-tree.h"
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#include "c-family/c-objc.h"
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#include "objcp-decl.h"
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/* Hacks to simulate start_struct() and finish_struct(). */
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tree
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objcp_start_struct (location_t loc ATTRIBUTE_UNUSED,
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enum tree_code code ATTRIBUTE_UNUSED, tree name)
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{
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tree s;
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/* The idea here is to mimic the actions that the C++ parser takes when
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constructing 'extern "C" struct NAME {'. */
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push_lang_context (lang_name_c);
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if (!name)
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name = make_anon_name ();
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s = xref_tag (record_type, name, ts_global, 0);
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CLASSTYPE_DECLARED_CLASS (s) = 0; /* this is a 'struct', not a 'class'. */
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xref_basetypes (s, NULL_TREE); /* no base classes here! */
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return begin_class_definition (s);
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}
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tree
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objcp_finish_struct (location_t loc ATTRIBUTE_UNUSED,
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tree t, tree fieldlist, tree attributes)
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{
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tree field, next_field;
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for (field = fieldlist; field; field = next_field)
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{
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next_field = TREE_CHAIN (field); /* insert one field at a time; */
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TREE_CHAIN (field) = NULL_TREE; /* otherwise, grokfield croaks. */
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finish_member_declaration (field);
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}
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t = finish_struct (t, attributes);
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/* If we are inside an @interface and are generating the list of
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ivars, we need to check for duplicate ivars.
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*/
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if (fieldlist)
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objc_detect_field_duplicates (true);
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pop_lang_context ();
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return t;
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}
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void
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objcp_finish_function (void)
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{
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/* The C++ flavor of 'finish_function' does not generate RTL -- one has
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to call 'expand_or_defer_fn' to do that. */
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expand_or_defer_fn (finish_function (0));
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}
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tree
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objcp_xref_tag (enum tree_code code ATTRIBUTE_UNUSED, tree name)
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{
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return xref_tag (record_type, name, ts_global, false);
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}
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int
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objcp_comptypes (tree type1, tree type2)
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{
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return comptypes (type1, type2, COMPARE_STRICT);
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}
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tree
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objcp_begin_compound_stmt (int flags ATTRIBUTE_UNUSED)
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{
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return begin_compound_stmt (0);
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}
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tree
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objcp_end_compound_stmt (tree stmt, int flags ATTRIBUTE_UNUSED)
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{
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/* The following has been snarfed from
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cp/semantics.c:finish_compound_stmt(). */
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if (TREE_CODE (stmt) == BIND_EXPR)
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BIND_EXPR_BODY (stmt) = do_poplevel (BIND_EXPR_BODY (stmt));
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else if (STATEMENT_LIST_NO_SCOPE (stmt))
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stmt = pop_stmt_list (stmt);
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else
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stmt = do_poplevel (stmt);
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return stmt;
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}
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