/* Interface to functions for deciding which macros are currently in scope. Copyright (C) 2002, 2007-2012 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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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 <http://www.gnu.org/licenses/>. */ #ifndef MACROSCOPE_H #define MACROSCOPE_H #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. */ struct macro_scope *sal_macro_scope (struct symtab_and_line sal); /* Return a `struct macro_scope' object representing just the user-defined macros. The result is allocated using xmalloc; the caller is responsible for freeing it. */ 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. The object returned is allocated using xmalloc; the caller is responsible for freeing it. */ struct macro_scope *default_macro_scope (void); /* Look up the definition of the macro named NAME in scope at the source location given by BATON, which must be a pointer to a `struct macro_scope' structure. This function is suitable for use as a macro_lookup_ftype function. */ struct macro_definition *standard_macro_lookup (const char *name, void *baton); #endif /* MACROSCOPE_H */