1 /* Interface to functions for deciding which macros are currently in scope.
2 Copyright (C) 2002-2019 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 /* The table of macros defined by the user. */
28 extern struct macro_table *macro_user_macros;
30 /* All the information we need to decide which macro definitions are
31 in scope: a source file (either a main source file or an
32 #inclusion), and a line number in that file. */
34 struct macro_source_file *file;
39 /* Return a `struct macro_scope' object corresponding to the symtab
40 and line given in SAL. If we have no macro information for that
41 location, or if SAL's pc is zero, return zero. */
42 gdb::unique_xmalloc_ptr<struct macro_scope> sal_macro_scope
43 (struct symtab_and_line sal);
46 /* Return a `struct macro_scope' object representing just the
47 user-defined macros. */
48 gdb::unique_xmalloc_ptr<struct macro_scope> user_macro_scope (void);
50 /* Return a `struct macro_scope' object describing the scope the `macro
51 expand' and `macro expand-once' commands should use for looking up
52 macros. If we have a selected frame, this is the source location of
53 its PC; otherwise, this is the last listing position.
55 If we have no macro information for the current location, return
56 the user macro scope. */
57 gdb::unique_xmalloc_ptr<struct macro_scope> default_macro_scope (void);
60 /* Look up the definition of the macro named NAME in scope at the source
61 location given by BATON, which must be a pointer to a `struct
62 macro_scope' structure. This function is suitable for use as
63 a macro_lookup_ftype function. */
64 struct macro_definition *standard_macro_lookup (const char *name, void *baton);
67 #endif /* MACROSCOPE_H */