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/* Helper routines for C support in GDB.
Copyright (C) 2017-2021 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <>. */
#ifndef C_SUPPORT_H
#define C_SUPPORT_H
#include "safe-ctype.h"
/* Like ISALPHA, but also returns true for the union of all UTF-8
multi-byte sequence bytes and non-ASCII characters in
extended-ASCII charsets (e.g., Latin1). I.e., returns true if the
high bit is set. Note that not all UTF-8 ranges are allowed in C++
identifiers, but we don't need to be pedantic so for simplicity we
ignore that here. Plus this avoids the complication of actually
knowing what was the right encoding. */
static inline bool
c_ident_is_alpha (unsigned char ch)
return ISALPHA (ch) || ch >= 0x80;
/* Similarly, but Like ISALNUM. */
static inline bool
c_ident_is_alnum (unsigned char ch)
return ISALNUM (ch) || ch >= 0x80;
#endif /* C_SUPPORT_H */