/* Interface to functions for deciding which macros are currently in scope.
- Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2002-2019 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
This file is part of GDB.
#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. */
/* 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. */
-struct macro_scope *sal_macro_scope (struct symtab_and_line sal);
+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 zero.
-
- The object returned is allocated using xmalloc; the caller is
- responsible for freeing it. */
-struct macro_scope *default_macro_scope (void);
+ 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