| /* 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 */ |