/* Interface to C preprocessor macro expansion for GDB.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
Contributed by Red Hat, 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef MACROEXP_H
preprocessor definitions. SOURCE is a null-terminated string. The
result is a null-terminated string, allocated using xmalloc; it is
the caller's responsibility to free it. */
-char *macro_expand (const char *source,
- macro_lookup_ftype *lookup_func,
- void *lookup_func_baton);
+gdb::unique_xmalloc_ptr<char> macro_expand (const char *source,
+ macro_lookup_ftype *lookup_func,
+ void *lookup_func_baton);
/* Expand all preprocessor macro references that appear explicitly in
SOURCE is a null-terminated string. The result is a
null-terminated string, allocated using xmalloc; it is the caller's
responsibility to free it. */
-char *macro_expand_once (const char *source,
- macro_lookup_ftype *lookup_func,
- void *lookup_func_baton);
+gdb::unique_xmalloc_ptr<char> macro_expand_once (const char *source,
+ macro_lookup_ftype *lookup_func,
+ void *lookup_func_baton);
/* If the null-terminated string pointed to by *LEXPTR begins with a
much have to do tokenization to find the end of the string that
needs to be macro-expanded. Our C/C++ tokenizer isn't really
designed to be called by anything but the yacc parser engine. */
-char *macro_expand_next (char **lexptr,
+char *macro_expand_next (const char **lexptr,
macro_lookup_ftype *lookup_func,
void *lookup_baton);
+/* Functions to classify characters according to cpp rules. */
+
+int macro_is_whitespace (int c);
+int macro_is_identifier_nondigit (int c);
+int macro_is_digit (int c);
+
+
+/* Stringify STR according to C rules and return an xmalloc'd pointer
+ to the result. */
+
+char *macro_stringify (const char *str);
#endif /* MACROEXP_H */