1 /* Process the ObjC-specific declarations and variables for 2 the Objective-C++ compiler. 3 Copyright (C) 2005, 2007 Free Software Foundation, Inc. 4 Contributed by Ziemowit Laski <zlaski@apple.com> 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #include "config.h" 23 #include "system.h" 24 #include "coretypes.h" 25 #include "tm.h" 26 #include "tree.h" 27 #include "rtl.h" 28 #include "expr.h" 29 #include "cp-tree.h" 30 #include "c-common.h" 31 #include "flags.h" 32 #include "input.h" 33 #include "except.h" 34 #include "output.h" 35 #include "toplev.h" 36 #include "cpplib.h" 37 #include "debug.h" 38 #include "target.h" 39 #include "varray.h" 40 41 #include "objc-act.h" 42 #include "objcp-decl.h" 43 44 /* Hacks to simulate start_struct() and finish_struct(). */ 45 46 tree 47 objcp_start_struct (location_t loc ATTRIBUTE_UNUSED, 48 enum tree_code code ATTRIBUTE_UNUSED, tree name) 49 { 50 tree s; 51 /* The idea here is to mimic the actions that the C++ parser takes when 52 constructing 'extern "C" struct NAME {'. */ 53 push_lang_context (lang_name_c); 54 55 if (!name) 56 name = make_anon_name (); 57 58 s = xref_tag (record_type, name, ts_global, 0); 59 CLASSTYPE_DECLARED_CLASS (s) = 0; /* this is a 'struct', not a 'class'. */ 60 xref_basetypes (s, NULL_TREE); /* no base classes here! */ 61 62 return begin_class_definition (s, NULL_TREE); 63 } 64 65 tree 66 objcp_finish_struct (location_t loc ATTRIBUTE_UNUSED, 67 tree t, tree fieldlist, tree attributes) 68 { 69 tree field, next_field; 70 71 for (field = fieldlist; field; field = next_field) 72 { 73 next_field = TREE_CHAIN (field); /* insert one field at a time; */ 74 TREE_CHAIN (field) = NULL_TREE; /* otherwise, grokfield croaks. */ 75 finish_member_declaration (field); 76 } 77 t = finish_struct (t, attributes); 78 pop_lang_context (); 79 80 return t; 81 } 82 83 void 84 objcp_finish_function (void) 85 { 86 /* The C++ flavor of 'finish_function' does not generate RTL -- one has 87 to call 'expand_or_defer_fn' to do that. */ 88 expand_or_defer_fn (finish_function (0)); 89 } 90 91 tree 92 objcp_xref_tag (enum tree_code code ATTRIBUTE_UNUSED, tree name) 93 { 94 return xref_tag (record_type, name, ts_global, false); 95 } 96 97 int 98 objcp_comptypes (tree type1, tree type2) 99 { 100 return comptypes (type1, type2, COMPARE_STRICT); 101 } 102 103 tree 104 objcp_begin_compound_stmt (int flags ATTRIBUTE_UNUSED) 105 { 106 return begin_compound_stmt (0); 107 } 108 109 tree 110 objcp_end_compound_stmt (tree stmt, int flags ATTRIBUTE_UNUSED) 111 { 112 /* The following has been snarfed from 113 cp/semantics.c:finish_compound_stmt(). */ 114 if (TREE_CODE (stmt) == BIND_EXPR) 115 BIND_EXPR_BODY (stmt) = do_poplevel (BIND_EXPR_BODY (stmt)); 116 else if (STATEMENT_LIST_NO_SCOPE (stmt)) 117 stmt = pop_stmt_list (stmt); 118 else 119 stmt = do_poplevel (stmt); 120 121 return stmt; 122 } 123