gdb

	PR gdb/855:
	* NEWS: Add entry for macro commands.
	* Makefile.in (macrocmd.o): Add gdb_string.h.
	* macroscope.h (user_macro_scope): Declare.
	(default_macro_scope): Update documentation.
	(macro_user_macros): Declare.
	* c-lang.c (c_preprocess_and_parse): Always attempt macro lookup.
	Use user_macro_scope.
	(null_macro_lookup): Remove.
	* macrotab.h (macro_callback_fn): Declare.
	(macro_for_each): Likewise.
	(macro_allow_redefinitions): Likewise.
	* macrotab.c (foreach_macro): New function
	(macro_for_each): Likewise.
	(struct macro_table) <redef_ok>: New field.
	(macro_allow_redefinitions): New function.
	(new_macro_table): Update.
	(macro_define_function): Likewise.
	(macro_define_object): Likewise.
	* macroscope.c (user_macro_scope): New function.
	(default_macro_scope): Use it.
	(macro_user_macros): New global.
	(standard_macro_lookup): Look in macro_user_macros.
	(_initialize_macroscope): New function.
	* macroexp.h (macro_is_whitespace, macro_is_digit,
	macro_is_identifier_nondigit): Declare.
	* macroexp.c (macro_is_whitespace): Rename.  No longer static.
	(macro_is_digit): Likewise.
	(macro_is_identifier_nondigit): Likewise.
	(get_identifier): Update.
	(get_pp_number): Likewise.
	(get_token): Likewise.
	* macrocmd.c (skip_ws): New function.
	(extract_identifier): Likewise.
	(free_macro_definition_ptr): Likewise.
	(user_macros): Remove.
	(macro_define_command): Implement.
	(_initialize_macrocmd): Update.
	(macro_undef_command): Implement.
	(print_one_macro): New function.
	(macro_list_command): Implement.
gdb/doc
	* gdb.texinfo (Macros): Update.  Use @code rather than @command.
gdb/testsuite
	* gdb.base/macscp.exp: Add macro tests.

2 files changed, 23 insertions, 21 deletions

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 8786b4a..3c6b66d 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2008-07-18  Tom Tromey  <tromey@redhat.com>
+
+	* gdb.texinfo (Macros): Update.  Use @code rather than @command.
+
 2008-07-10  Doug Evans  <dje@google.com>
 
 	* doc/gdb.texinfo: Document "set print symbol-loading on|off".
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 2920179..06d1db2 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -1,6 +1,6 @@
 \input texinfo      @c -*-texinfo-*-
 @c Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
-@c 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008
+@c 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
 @c Free Software Foundation, Inc.
 @c
 @c %**start of header
@@ -7923,31 +7923,29 @@ source location where that definition was established.
 @cindex macros, user-defined
 @item macro define @var{macro} @var{replacement-list}
 @itemx macro define @var{macro}(@var{arglist}) @var{replacement-list}
-@i{(This command is not yet implemented.)}  Introduce a definition for a
-preprocessor macro named @var{macro}, invocations of which are replaced
-by the tokens given in @var{replacement-list}.  The first form of this
-command defines an ``object-like'' macro, which takes no arguments; the
-second form defines a ``function-like'' macro, which takes the arguments
-given in @var{arglist}.
-
-A definition introduced by this command is in scope in every expression
-evaluated in @value{GDBN}, until it is removed with the @command{macro
-undef} command, described below.  The definition overrides all
-definitions for @var{macro} present in the program being debugged, as
-well as any previous user-supplied definition.
+Introduce a definition for a preprocessor macro named @var{macro},
+invocations of which are replaced by the tokens given in
+@var{replacement-list}.  The first form of this command defines an
+``object-like'' macro, which takes no arguments; the second form
+defines a ``function-like'' macro, which takes the arguments given in
+@var{arglist}.
+
+A definition introduced by this command is in scope in every
+expression evaluated in @value{GDBN}, until it is removed with the
+@code{macro undef} command, described below.  The definition overrides
+all definitions for @var{macro} present in the program being debugged,
+as well as any previous user-supplied definition.
 
 @kindex macro undef
 @item macro undef @var{macro}
-@i{(This command is not yet implemented.)}  Remove any user-supplied
-definition for the macro named @var{macro}.  This command only affects
-definitions provided with the @command{macro define} command, described
-above; it cannot remove definitions present in the program being
-debugged.
+Remove any user-supplied definition for the macro named @var{macro}.
+This command only affects definitions provided with the @code{macro
+define} command, described above; it cannot remove definitions present
+in the program being debugged.
 
 @kindex macro list
 @item macro list
-@i{(This command is not yet implemented.)}  List all the macros
-defined using the @code{macro define} command.
+List all the macros defined using the @code{macro define} command.
 @end table
 
 @cindex macros, example of debugging with
@@ -8026,7 +8024,7 @@ expands to: once (M + 1)
 (@value{GDBP})
 @end smallexample
 
-In the example above, note that @command{macro expand-once} expands only
+In the example above, note that @code{macro expand-once} expands only
 the macro invocation explicit in the original text --- the invocation of
 @code{ADD} --- but does not expand the invocation of the macro @code{M},
 which was introduced by @code{ADD}.