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1 /* Process the ObjC-specific declarations and variables for
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2 the Objective-C++ compiler.
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3 Copyright (C) 2005-2018 Free Software Foundation, Inc.
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4 Contributed by Ziemowit Laski <zlaski@apple.com>
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22
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23 #ifndef GCC_OBJCP_DECL_H
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24 #define GCC_OBJCP_DECL_H
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25
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26 extern tree objcp_start_struct (location_t, enum tree_code, tree);
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27 extern tree objcp_finish_struct (location_t, tree, tree, tree);
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28 extern void objcp_finish_function (void);
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29 extern tree objcp_build_function_call (tree, tree);
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30 extern tree objcp_xref_tag (enum tree_code, tree);
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31 extern int objcp_comptypes (tree, tree);
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32 extern tree objcp_begin_compound_stmt (int);
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33 extern tree objcp_end_compound_stmt (tree, int);
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34
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35 /* Now "cover up" the corresponding C++ functions if required (NB: the
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36 OBJCP_ORIGINAL_FUNCTION macro, shown below, can still be used to
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37 invoke the original C++ functions if needed). */
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38 #ifdef OBJCP_REMAP_FUNCTIONS
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39
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40 #define start_struct(loc, code, name, struct_info) \
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41 objcp_start_struct (loc, code, name)
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42 #define finish_struct(loc, t, fieldlist, attributes, struct_info) \
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43 objcp_finish_struct (loc, t, fieldlist, attributes)
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44 #define finish_function() \
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45 objcp_finish_function ()
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46 #define finish_decl(decl, loc, init, origtype, asmspec) \
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47 cp_finish_decl (decl, init, false, asmspec, 0)
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48 #define xref_tag(code, name) \
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49 objcp_xref_tag (code, name)
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50 #define comptypes(type1, type2) \
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51 objcp_comptypes (type1, type2)
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52 #define c_begin_compound_stmt(flags) \
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53 objcp_begin_compound_stmt (flags)
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54 #define c_end_compound_stmt(loc, stmt, flags) \
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55 objcp_end_compound_stmt (stmt, flags)
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56
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57 #undef OBJC_TYPE_NAME
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58 #define OBJC_TYPE_NAME(type) (TYPE_IDENTIFIER (type))
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59 #undef OBJC_SET_TYPE_NAME
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60 #define OBJC_SET_TYPE_NAME(type, name) (TYPE_IDENTIFIER (type) = (name))
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61
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62 #undef TYPE_OBJC_INFO
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63 #define TYPE_OBJC_INFO(TYPE) LANG_TYPE_CLASS_CHECK (TYPE)->objc_info
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64 #undef SIZEOF_OBJC_TYPE_LANG_SPECIFIC
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65 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
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66 #undef ALLOC_OBJC_TYPE_LANG_SPECIFIC
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67 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE) \
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68 (TYPE_LANG_SPECIFIC (NODE) = (struct lang_type *) \
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69 ggc_internal_cleared_alloc (SIZEOF_OBJC_TYPE_LANG_SPECIFIC))
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70
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71 #define OBJCP_ORIGINAL_FUNCTION(name, args) (name)args
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72
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73 /* C++ marks ellipsis-free function parameters differently from C. */
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74 #undef OBJC_VOID_AT_END
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75 #define OBJC_VOID_AT_END void_list_node
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76
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77 #endif /* OBJCP_REMAP_FUNCTIONS */
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78
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79 #endif /* ! GCC_OBJCP_DECL_H */
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