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Add commands for manually expanding macros and showing their

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definitions.
* macrocmd.c, macroscope.c, macroscope.h: New files.
* Makefile.in (SFILES): Add macrocmd.c, macroscope.c.
(macroscope_h): New variable.
(HFILES_NO_SRCDIR): Add macroscope.h.
(COMMON_OBS): Add macrocmd.o, macroscope.o.
(macroscope.o, macrocmd.o): New rules.
This commit is contained in:
Jim Blandy
2002-05-16 21:15:53 +00:00
parent 2e2761252b
commit 6821892ed4
5 changed files with 475 additions and 3 deletions
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63
gdb/macroscope.h Normal file
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/* Interface to functions for deciding which macros are currently in scope.
Copyright 2002 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef MACROSCOPE_H
#define MACROSCOPE_H
#include "macrotab.h"
#include "symtab.h"
/* 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 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);
/* 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 */