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/* Routines dealing with ObjC encoding of types
Copyright (C) 1992-2020 Free Software Foundation, Inc.
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/>. */
#ifndef GCC_OBJC_ENCODING_H
#define GCC_OBJC_ENCODING_H
/* This is used to initialize the obstacks used by encoding. It
should be called before any encoding function is used. It is
usually done in objc_init(). */
extern void objc_encoding_init (void);
/* Encode a method prototype. The format is described in
gcc/doc/objc.texi, section 'Method signatures'. */
extern tree encode_method_prototype (tree method_decl);
/* This is used to implement @encode(). See gcc/doc/objc.texi,
section '@encode'. */
extern tree objc_build_encode_expr (tree type);
/* (Decide if these can ever be validly changed.) */
#define OBJC_ENCODE_INLINE_DEFS 0
#define OBJC_ENCODE_DONT_INLINE_DEFS 1
/* Encode the attributes of a property. */
extern tree objc_v2_encode_prop_attr (tree property);
/* Encode the type of a field. Return an identifier with the type
encoding for the field. The type encoding is a null-terminated
string. */
extern tree encode_field_decl (tree field_decl);
/* Tells "encode_pointer/encode_aggregate" whether we are generating
type descriptors for instance variables (as opposed to methods).
Type descriptors for instance variables contain more information
than methods (for static typing and embedded structures).
TODO: Replace this global variable with an argument that is passed
to the various encode() functions.
TODO: Change it to a 'bool'. */
extern int generating_instance_variables;
#endif /* GCC_OBJC_ENCODING_H */
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