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-rw-r--r--gdb/main.c75
1 files changed, 64 insertions, 11 deletions
diff --git a/gdb/main.c b/gdb/main.c
index 6c4feaef2e9..73c17f573cc 100644
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -1,7 +1,8 @@
/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software
+ Foundation, Inc.
This file is part of GDB.
@@ -37,6 +38,7 @@
#include "event-loop.h"
#include "ui-out.h"
+#include "interps.h"
#include "main.h"
/* If nonzero, display time usage both at startup and for each command. */
@@ -53,7 +55,9 @@ int display_space;
processes UI events asynchronously. */
int event_loop_p = 1;
-/* Has an interpreter been specified and if so, which. */
+/* The selected interpreter. This will be used as a set command
+ variable, so it should always be malloc'ed - since
+ do_setshow_command will free it. */
char *interpreter_p;
/* Whether this is the command line version or not */
@@ -93,10 +97,7 @@ extern char *external_editor_command;
static int
captured_command_loop (void *data)
{
- if (command_loop_hook == NULL)
- command_loop ();
- else
- command_loop_hook ();
+ current_interp_command_loop ();
/* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
would clean things up (restoring the cleanup chain) to the state
they were just prior to the call. Technically, this means that
@@ -227,6 +228,12 @@ captured_main (void *data)
#endif
#endif
+ /* There will always be an interpreter. Either the one passed into
+ this captured main (not yet implemented), or one specified by the
+ user at start up, or the console. Make life easier by always
+ initializing the interpreter to something. */
+ interpreter_p = xstrdup (INTERP_CONSOLE);
+
/* Parse arguments and options. */
{
int c;
@@ -381,7 +388,8 @@ extern int gdbtk_test (char *);
}
#endif /* GDBTK */
case 'i':
- interpreter_p = optarg;
+ xfree (interpreter_p);
+ interpreter_p = xstrdup (optarg);
break;
case 'd':
dirarg[ndir++] = optarg;
@@ -509,7 +517,10 @@ extern int gdbtk_test (char *);
gdb_init (argv[0]);
/* Do these (and anything which might call wrap_here or *_filtered)
- after initialize_all_files. */
+ after initialize_all_files() but before the interpreter has been
+ installed. Otherwize the help/version messages will be eaten by
+ the interpreter's output handler. */
+
if (print_version)
{
print_gdb_version (gdb_stdout);
@@ -525,7 +536,49 @@ extern int gdbtk_test (char *);
exit (0);
}
- if (!quiet)
+ /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets
+ GDB retain the old MI1 interpreter startup behavior. Output the
+ copyright message before the interpreter is installed. That way
+ it isn't encapsulated in MI output. */
+ if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0)
+ {
+ /* Print all the junk at the top, with trailing "..." if we are about
+ to read a symbol file (possibly slowly). */
+ print_gdb_version (gdb_stdout);
+ if (symarg)
+ printf_filtered ("..");
+ wrap_here ("");
+ gdb_flush (gdb_stdout); /* Force to screen during slow operations */
+ }
+
+
+ /* Install the default UI. All the interpreters should have had a
+ look at things by now. Initialize the default interpreter. */
+
+ {
+ /* Find it. */
+ struct interp *interp = interp_lookup (interpreter_p);
+ if (interp == NULL)
+ {
+ fprintf_unfiltered (gdb_stderr, "Interpreter `%s' unrecognized.\n",
+ interpreter_p);
+ exit (1);
+ }
+ /* Install it. */
+ if (!interp_set (interp))
+ {
+ fprintf_unfiltered (gdb_stderr,
+ "Interpreter `%s' failed to initialize.\n",
+ interpreter_p);
+ exit (1);
+ }
+ }
+
+ /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets
+ GDB retain the old MI1 interpreter startup behavior. Output the
+ copyright message after the interpreter is installed when it is
+ any sane interpreter. */
+ if (!quiet && !current_interp_named_p (INTERP_MI1))
{
/* Print all the junk at the top, with trailing "..." if we are about
to read a symbol file (possibly slowly). */