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/* Interface to functions for deciding which macros are currently in scope.
Copyright (C) 2002-2021 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 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 <>. */
#include "macrotab.h"
#include "symtab.h"
/* The table of macros defined by the user. */
extern struct macro_table *macro_user_macros;
/* All the information we need to decide which macro definitions are
in scope: a source file (either a main source file or an
#inclusion), and a line number in that file. */
struct macro_scope {
struct macro_source_file *file;
int line;
/* Return a `struct macro_scope' object corresponding to the symtab
and line given in SAL. If we have no macro information for that
location, or if SAL's pc is zero, return zero. */
gdb::unique_xmalloc_ptr<struct macro_scope> sal_macro_scope
(struct symtab_and_line sal);
/* Return a `struct macro_scope' object representing just the
user-defined macros. */
gdb::unique_xmalloc_ptr<struct macro_scope> user_macro_scope (void);
/* Return a `struct macro_scope' object describing the scope the `macro
expand' and `macro expand-once' commands should use for looking up
macros. If we have a selected frame, this is the source location of
its PC; otherwise, this is the last listing position.
If we have no macro information for the current location, return
the user macro scope. */
gdb::unique_xmalloc_ptr<struct macro_scope> default_macro_scope (void);
/* Look up the definition of the macro named NAME in scope at the source
location given by MS. */
macro_definition *standard_macro_lookup (const char *name,
const macro_scope &ms);
#endif /* MACROSCOPE_H */