1 /* Interface to functions for deciding which macros are currently in scope.
2 Copyright (C) 2002, 2007 Free Software Foundation, Inc.
3 Contributed by Red Hat, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 /* All the information we need to decide which macro definitions are
28 in scope: a source file (either a main source file or an
29 #inclusion), and a line number in that file. */
31 struct macro_source_file
*file
;
36 /* Return a `struct macro_scope' object corresponding to the symtab
37 and line given in SAL. If we have no macro information for that
38 location, or if SAL's pc is zero, return zero. */
39 struct macro_scope
*sal_macro_scope (struct symtab_and_line sal
);
42 /* Return a `struct macro_scope' object describing the scope the `macro
43 expand' and `macro expand-once' commands should use for looking up
44 macros. If we have a selected frame, this is the source location of
45 its PC; otherwise, this is the last listing position.
47 If we have no macro information for the current location, return zero.
49 The object returned is allocated using xmalloc; the caller is
50 responsible for freeing it. */
51 struct macro_scope
*default_macro_scope (void);
54 /* Look up the definition of the macro named NAME in scope at the source
55 location given by BATON, which must be a pointer to a `struct
56 macro_scope' structure. This function is suitable for use as
57 a macro_lookup_ftype function. */
58 struct macro_definition
*standard_macro_lookup (const char *name
, void *baton
);
61 #endif /* MACROSCOPE_H */
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