| 1 | /* Routines dealing with ObjC encoding of types |
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| 2 | Copyright (C) 1992-2023 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 3, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GCC; see the file COPYING3. If not see |
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| 18 | <http://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #ifndef GCC_OBJC_ENCODING_H |
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| 21 | #define GCC_OBJC_ENCODING_H |
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| 22 | |
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| 23 | /* This is used to initialize the obstacks used by encoding. It |
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| 24 | should be called before any encoding function is used. It is |
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| 25 | usually done in objc_init(). */ |
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| 26 | extern void objc_encoding_init (void); |
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| 27 | |
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| 28 | /* Encode a method prototype. The format is described in |
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| 29 | gcc/doc/objc.texi, section 'Method signatures'. */ |
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| 30 | extern tree encode_method_prototype (tree method_decl); |
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| 31 | |
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| 32 | /* This is used to implement @encode(). See gcc/doc/objc.texi, |
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| 33 | section '@encode'. */ |
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| 34 | extern tree objc_build_encode_expr (tree type); |
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| 35 | |
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| 36 | /* (Decide if these can ever be validly changed.) */ |
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| 37 | #define OBJC_ENCODE_INLINE_DEFS 0 |
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| 38 | #define OBJC_ENCODE_DONT_INLINE_DEFS 1 |
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| 39 | |
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| 40 | /* Encode the attributes of a property. */ |
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| 41 | extern tree objc_v2_encode_prop_attr (tree property); |
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| 42 | |
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| 43 | /* Encode the type of a field. Return an identifier with the type |
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| 44 | encoding for the field. The type encoding is a null-terminated |
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| 45 | string. */ |
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| 46 | extern tree encode_field_decl (tree field_decl); |
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| 47 | |
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| 48 | /* Tells "encode_pointer/encode_aggregate" whether we are generating |
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| 49 | type descriptors for instance variables (as opposed to methods). |
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| 50 | Type descriptors for instance variables contain more information |
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| 51 | than methods (for static typing and embedded structures). |
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| 52 | |
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| 53 | TODO: Replace this global variable with an argument that is passed |
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| 54 | to the various encode() functions. |
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| 55 | |
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| 56 | TODO: Change it to a 'bool'. */ |
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| 57 | extern int generating_instance_variables; |
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| 58 | |
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| 59 | #endif /* GCC_OBJC_ENCODING_H */ |
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| 60 | |
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