* command.c (lookup_cmd_1): Clarify descriptive comments.

* gdbcmd.h (maintenanceprintlist):  Add declaration.
	* main.c (maintenanceprintlist):  Add definition.
	* main.c (gdb_completer_command_word_break_characters):  Add.
	* main.c (symbol_completion_function):  Switch completer word
	break character sets dynamically, based on whether completion is
	being done on commands or on something else.
	* main.c (initialize_cmd_lists):  Init maintenanceprintlist.
	* maint.c:  Include demangle.h.
	* maint.c (maintenance_demangle):  New function.
	* maint.c (maintenance_print_command):  New function.
	* maint.c (_initialize_maint_cmds):  Reorganize some commands
	under new maintenance print subcommand.

gdb/maint.c

@@ -28,6 +28,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "gdbcmd.h"
 #include "symtab.h"
 #include "gdbtypes.h"
+#include "demangle.h"
 
 static void
 maintenance_command PARAMS ((char *, int));
@@ -35,6 +36,9 @@ maintenance_command PARAMS ((char *, int));
 static void
 maintenance_dump_me PARAMS ((char *, int));
 
+static void
+maintenance_demangle PARAMS ((char *, int));
+
 /*
 
 LOCAL FUNCTION
@@ -72,6 +76,40 @@ maintenance_dump_me (args, from_tty)
     }
 }
 
+/*  Someday we should allow demangling for things other than just
+    explicit strings.  For example, we might want to be able to
+    specify the address of a string in either GDB's process space
+    or the debuggee's process space, and have gdb fetch and demangle
+    that string.  If we have a char* pointer "ptr" that points to
+    a string, we might want to be able to given just the name and
+    have GDB demangle and print what it points to, etc.  (FIXME) */
+
+static void
+maintenance_demangle (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  char *demangled;
+
+  if (args == NULL || *args == '\0')
+    {
+      printf ("\"maintenance demangle\" takes an argument to demangle.\n");
+    }
+  else
+    {
+      demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS);
+      if (demangled != NULL)
+	{
+	  printf ("%s\n", demangled);
+	  free (demangled);
+	}
+      else
+	{
+	  printf ("Can't demangle \"%s\"\n", args);
+	}
+    }
+}
+
 /* The "maintenance info" command is defined as a prefix, with allow_unknown 0.
    Therefore, its own definition is called only for "maintenance info" with
    no args.  */
@@ -86,6 +124,20 @@ maintenance_info_command (arg, from_tty)
   help_list (maintenanceinfolist, "maintenance info ", -1, stdout);
 }
 
+/* The "maintenance print" command is defined as a prefix, with allow_unknown
+   0.  Therefore, its own definition is called only for "maintenance print"
+   with no args.  */
+
+/* ARGSUSED */
+static void
+maintenance_print_command (arg, from_tty)
+     char *arg;
+     int from_tty;
+{
+  printf ("\"maintenance print\" must be followed by the name of a print command.\n");
+  help_list (maintenanceprintlist, "maintenance print ", -1, stdout);
+}
+
 /*
 
 GLOBAL FUNCTION
@@ -110,49 +162,62 @@ _initialize_maint_cmds ()
   add_prefix_cmd ("maintenance", class_maintenance, maintenance_command,
 		  "Commands for use by GDB maintainers.\n\
 Includes commands to dump specific internal GDB structures in\n\
-a human readable form, including dumping of symbol tables, type\n\
-chains, etc.",
+a human readable form, to cause GDB to deliberately dump core,\n\
+to test internal functions such as the C++ demangler, etc.",
 		  &maintenancelist, "maintenance ", 0,
 		  &cmdlist);
 
+  add_com_alias ("mt", "maintenance", class_maintenance, 0);
+
   add_prefix_cmd ("info", class_info, maintenance_info_command,
-        "Maintenance command for showing things about the program being debugged.",
+		  "Commands for showing things about the program being debugged.",
 		  &maintenanceinfolist, "maintenance info ", 0,
 		  &maintenancelist);
 
+  add_prefix_cmd ("print", class_maintenance, maintenance_print_command,
+		  "Maintenance command for printing GDB internal state.",
+		  &maintenanceprintlist, "maintenance print ", 0,
+		  &maintenancelist);
+
   add_cmd ("dump-me", class_maintenance, maintenance_dump_me,
 	   "Get fatal error; make debugger dump its core.\n\
 GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\
 itself a SIGQUIT signal.",
 	   &maintenancelist);
 
-  add_cmd ("print-type", class_maintenance, maintenance_print_type,
+  add_cmd ("demangle", class_maintenance, maintenance_demangle,
+	   "Demangle a C++ mangled name.\n\
+Call internal GDB demangler routine to demangle a C++ link name\n\
+and prints the result.",
+	   &maintenancelist);
+
+  add_cmd ("type", class_maintenance, maintenance_print_type,
 	   "Print a type chain for a given symbol.\n\
 For each node in a type chain, print the raw data for each member of\n\
 the type structure, and the interpretation of the data.",
-	   &maintenancelist);
+	   &maintenanceprintlist);
 
-  add_cmd ("print-symbols", class_maintenance, maintenance_print_symbols,
+  add_cmd ("symbols", class_maintenance, maintenance_print_symbols,
 	   "Print dump of current symbol definitions.\n\
 Entries in the full symbol table are dumped to file OUTFILE.\n\
 If a SOURCE file is specified, dump only that file's symbols.",
-	   &maintenancelist);
+	   &maintenanceprintlist);
 
-  add_cmd ("print-msymbols", class_maintenance, maintenance_print_msymbols,
+  add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols,
 	   "Print dump of current minimal symbol definitions.\n\
 Entries in the minimal symbol table are dumped to file OUTFILE.\n\
 If a SOURCE file is specified, dump only that file's minimal symbols.",
-	   &maintenancelist);
+	   &maintenanceprintlist);
 
-  add_cmd ("print-psymbols", class_maintenance, maintenance_print_psymbols,
+  add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols,
 	   "Print dump of current partial symbol definitions.\n\
 Entries in the partial symbol table are dumped to file OUTFILE.\n\
 If a SOURCE file is specified, dump only that file's partial symbols.",
-	   &maintenancelist);
+	   &maintenanceprintlist);
 
-  add_cmd ("print-objfiles", class_maintenance, maintenance_print_objfiles,
+  add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles,
 	   "Print dump of current object file definitions.",
-	   &maintenancelist);
+	   &maintenanceprintlist);
 
 }