Add missing files from last commit :-(

2 files changed, 445 insertions, 0 deletions

diff --git a/gdb/mi/mi-interp.c b/gdb/mi/mi-interp.c
new file mode 100644
index 00000000000..bf5873a61df
--- /dev/null
+++ b/gdb/mi/mi-interp.c
@@ -0,0 +1,412 @@
+/* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
+
+   Copyright 2002, 2003 Free Software Foundation, 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.  */
+
+#include "defs.h"
+#include "gdb_string.h"
+#include "interps.h"
+#include "event-top.h"
+#include "event-loop.h"
+#include "inferior.h"
+#include "ui-out.h"
+#include "top.h"
+
+#include "mi-main.h"
+#include "mi-cmds.h"
+#include "mi-out.h"
+#include "mi-console.h"
+
+struct mi_interp
+{
+  /* MI's output channels */
+  struct ui_file *out;
+  struct ui_file *err;
+  struct ui_file *log;
+  struct ui_file *targ;
+  struct ui_file *event_channel;
+
+  /* This is the interpreter for the mi... */
+  struct interp *mi2_interp;
+  struct interp *mi1_interp;
+  struct interp *mi_interp;
+};
+
+/* These are the interpreter setup, etc. functions for the MI interpreter */
+static void mi_execute_command_wrapper (char *cmd);
+static void mi_command_loop (int mi_version);
+static char *mi_input (char *);
+
+/* These are hooks that we put in place while doing interpreter_exec
+   so we can report interesting things that happened "behind the mi's
+   back" in this command */
+static int mi_interp_query_hook (const char *ctlstr, va_list ap);
+static char *mi_interp_read_one_line_hook (char *prompt, int repeat,
+					   char *anno);
+
+static void mi2_command_loop (void);
+static void mi1_command_loop (void);
+
+static void mi_insert_notify_hooks (void);
+static void mi_remove_notify_hooks (void);
+
+static void *
+mi_interpreter_init (void)
+{
+  struct mi_interp *mi = XMALLOC (struct mi_interp);
+
+  /* Why is this a part of the mi architecture? */
+
+  mi_setup_architecture_data ();
+
+  /* HACK: We need to force stdout/stderr to point at the console.  This avoids
+     any potential side effects caused by legacy code that is still
+     using the TUI / fputs_unfiltered_hook.  So we set up output channels for
+     this now, and swap them in when we are run. */
+
+  raw_stdout = stdio_fileopen (stdout);
+
+  /* Create MI channels */
+  mi->out = mi_console_file_new (raw_stdout, "~", '"');
+  mi->err = mi_console_file_new (raw_stdout, "&", '"');
+  mi->log = mi->err;
+  mi->targ = mi_console_file_new (raw_stdout, "@", '"');
+  mi->event_channel = mi_console_file_new (raw_stdout, "=", 0);
+
+  return mi;
+}
+
+static int
+mi_interpreter_resume (void *data)
+{
+  struct mi_interp *mi = data;
+  /* As per hack note in mi_interpreter_init, swap in the output channels... */
+
+  gdb_setup_readline ();
+
+  if (event_loop_p)
+    {
+      /* These overwrite some of the initialization done in
+         _intialize_event_loop. */
+      call_readline = gdb_readline2;
+      input_handler = mi_execute_command_wrapper;
+      add_file_handler (input_fd, stdin_event_handler, 0);
+      async_command_editing_p = 0;
+      /* FIXME: This is a total hack for now.  PB's use of the MI implicitly
+         relies on a bug in the async support which allows asynchronous
+         commands to leak through the commmand loop.  The bug involves
+         (but is not limited to) the fact that sync_execution was
+         erroneously initialized to 0.  Duplicate by initializing it
+         thus here... */
+      sync_execution = 0;
+    }
+
+  gdb_stdout = mi->out;
+  /* Route error and log output through the MI */
+  gdb_stderr = mi->err;
+  gdb_stdlog = mi->log;
+  /* Route target output through the MI. */
+  gdb_stdtarg = mi->targ;
+
+  /* Replace all the hooks that we know about.  There really needs to
+     be a better way of doing this... */
+  clear_interpreter_hooks ();
+
+  show_load_progress = mi_load_progress;
+
+  /* If we're _the_ interpreter, take control. */
+  if (current_interp_named_p (INTERP_MI1))
+    command_loop_hook = mi1_command_loop;
+  else if (current_interp_named_p (INTERP_MI))
+    command_loop_hook = mi2_command_loop;
+  else
+    return 0;
+
+  return 1;
+}
+
+static int
+mi_interpreter_suspend (void *data)
+{
+  gdb_disable_readline ();
+  return 1;
+}
+
+static int
+mi_interpreter_exec (void *data, const char *command)
+{
+  char *tmp = alloca (strlen (command) + 1);
+  strcpy (tmp, command);
+  mi_execute_command_wrapper (tmp);
+  return 1;
+}
+
+/* Never display the default gdb prompt in mi case.  */
+static int
+mi_interpreter_prompt_p (void *data)
+{
+  return 0;
+}
+
+static void
+mi_interpreter_exec_continuation (struct continuation_arg *arg)
+{
+  bpstat_do_actions (&stop_bpstat);
+  if (!target_executing)
+    {
+      fputs_unfiltered ("*stopped", raw_stdout);
+      mi_out_put (uiout, raw_stdout);
+      fputs_unfiltered ("\n", raw_stdout);
+      fputs_unfiltered ("(gdb) \n", raw_stdout);
+      gdb_flush (raw_stdout);
+      do_exec_cleanups (ALL_CLEANUPS);
+    }
+  else if (target_can_async_p ())
+    {
+      add_continuation (mi_interpreter_exec_continuation, NULL);
+    }
+}
+
+enum mi_cmd_result
+mi_cmd_interpreter_exec (char *command, char **argv, int argc)
+{
+  struct interp *interp_to_use;
+  enum mi_cmd_result result = MI_CMD_DONE;
+  int i;
+  struct interp_procs *procs;
+
+  if (argc < 2)
+    {
+      xasprintf (&mi_error_message,
+		 "mi_cmd_interpreter_exec: Usage: -interpreter-exec interp command");
+      return MI_CMD_ERROR;
+    }
+
+  interp_to_use = interp_lookup (argv[0]);
+  if (interp_to_use == NULL)
+    {
+      xasprintf (&mi_error_message,
+		 "mi_cmd_interpreter_exec: could not find interpreter \"%s\"",
+		 argv[0]);
+      return MI_CMD_ERROR;
+    }
+
+  if (!interp_exec_p (interp_to_use))
+    {
+      xasprintf (&mi_error_message,
+		 "mi_cmd_interpreter_exec: interpreter \"%s\" does not support command execution",
+		 argv[0]);
+      return MI_CMD_ERROR;
+    }
+
+  /* Insert the MI out hooks, making sure to also call the interpreter's hooks
+     if it has any. */
+  /* KRS: We shouldn't need this... Events should be installed and they should
+     just ALWAYS fire something out down the MI channel... */
+  mi_insert_notify_hooks ();
+
+  /* Now run the code... */
+
+  for (i = 1; i < argc; i++)
+    {
+      char *buff = NULL;
+      /* Do this in a cleaner way...  We want to force execution to be
+         asynchronous for commands that run the target.  */
+      if (target_can_async_p () && (strcmp (argv[0], "console") == 0))
+	{
+	  int len = strlen (argv[i]);
+	  buff = xmalloc (len + 2);
+	  memcpy (buff, argv[i], len);
+	  buff[len] = '&';
+	  buff[len + 1] = '\0';
+	}
+
+      /* We had to set sync_execution = 0 for the mi (well really for Project
+         Builder's use of the mi - particularly so interrupting would work.
+         But for console commands to work, we need to initialize it to 1 -
+         since that is what the cli expects - before running the command,
+         and then set it back to 0 when we are done. */
+      sync_execution = 1;
+      if (interp_exec (interp_to_use, argv[i]) < 0)
+	{
+	  mi_error_last_message ();
+	  result = MI_CMD_ERROR;
+	  break;
+	}
+      xfree (buff);
+      do_exec_error_cleanups (ALL_CLEANUPS);
+      sync_execution = 0;
+    }
+
+  mi_remove_notify_hooks ();
+
+  /* Okay, now let's see if the command set the inferior going...
+     Tricky point - have to do this AFTER resetting the interpreter, since
+     changing the interpreter will clear out all the continuations for
+     that interpreter... */
+
+  if (target_can_async_p () && target_executing)
+    {
+      fputs_unfiltered ("^running\n", raw_stdout);
+      add_continuation (mi_interpreter_exec_continuation, NULL);
+    }
+
+  return result;
+}
+
+/*
+ * mi_insert_notify_hooks - This inserts a number of hooks that are meant to produce
+ * async-notify ("=") MI messages while running commands in another interpreter
+ * using mi_interpreter_exec.  The canonical use for this is to allow access to
+ * the gdb CLI interpreter from within the MI, while still producing MI style output
+ * when actions in the CLI command change gdb's state.
+*/
+
+static void
+mi_insert_notify_hooks (void)
+{
+  query_hook = mi_interp_query_hook;
+}
+
+static void
+mi_remove_notify_hooks ()
+{
+  query_hook = NULL;
+}
+
+static int
+mi_interp_query_hook (const char *ctlstr, va_list ap)
+{
+  return 1;
+}
+
+static char *
+mi_interp_read_one_line_hook (char *prompt, int repeat, char *anno)
+{
+  static char buff[256];
+  printf_unfiltered ("=read-one-line,prompt=\"%s\"\n", prompt);
+  gdb_flush (gdb_stdout);
+  (void) fgets (buff, sizeof (buff), stdin);
+  buff[(strlen (buff) - 1)] = 0;
+  return buff;
+}
+
+static void
+output_control_change_notification (char *notification)
+{
+  printf_unfiltered ("^");
+  printf_unfiltered ("%s\n", notification);
+  gdb_flush (gdb_stdout);
+}
+
+static void
+mi_execute_command_wrapper (char *cmd)
+{
+  mi_execute_command (cmd, stdin == instream);
+}
+
+static void
+mi1_command_loop (void)
+{
+  mi_command_loop (1);
+}
+
+static void
+mi2_command_loop (void)
+{
+  mi_command_loop (2);
+}
+
+static void
+mi_command_loop (int mi_version)
+{
+#if 0
+  /* HACK: Force stdout/stderr to point at the console.  This avoids
+     any potential side effects caused by legacy code that is still
+     using the TUI / fputs_unfiltered_hook */
+  raw_stdout = stdio_fileopen (stdout);
+  /* Route normal output through the MIx */
+  gdb_stdout = mi_console_file_new (raw_stdout, "~", '"');
+  /* Route error and log output through the MI */
+  gdb_stderr = mi_console_file_new (raw_stdout, "&", '"');
+  gdb_stdlog = gdb_stderr;
+  /* Route target output through the MI. */
+  gdb_stdtarg = mi_console_file_new (raw_stdout, "@", '"');
+  /* HACK: Poke the ui_out table directly.  Should we be creating a
+     mi_out object wired up to the above gdb_stdout / gdb_stderr? */
+  uiout = mi_out_new (mi_version);
+  /* HACK: Override any other interpreter hooks.  We need to create a
+     real event table and pass in that. */
+  init_ui_hook = 0;
+  /* command_loop_hook = 0; */
+  print_frame_info_listing_hook = 0;
+  query_hook = 0;
+  warning_hook = 0;
+  create_breakpoint_hook = 0;
+  delete_breakpoint_hook = 0;
+  modify_breakpoint_hook = 0;
+  interactive_hook = 0;
+  registers_changed_hook = 0;
+  readline_begin_hook = 0;
+  readline_hook = 0;
+  readline_end_hook = 0;
+  register_changed_hook = 0;
+  memory_changed_hook = 0;
+  context_hook = 0;
+  target_wait_hook = 0;
+  call_command_hook = 0;
+  error_hook = 0;
+  error_begin_hook = 0;
+  show_load_progress = mi_load_progress;
+#endif
+  /* Turn off 8 bit strings in quoted output.  Any character with the
+     high bit set is printed using C's octal format. */
+  sevenbit_strings = 1;
+  /* Tell the world that we're alive */
+  fputs_unfiltered ("(gdb) \n", raw_stdout);
+  gdb_flush (raw_stdout);
+  if (!event_loop_p)
+    simplified_command_loop (mi_input, mi_execute_command);
+  else
+    start_event_loop ();
+}
+
+static char *
+mi_input (char *buf)
+{
+  return gdb_readline (NULL);
+}
+
+void
+_initialize_mi_interp (void)
+{
+  static const struct interp_procs procs =
+  {
+    mi_interpreter_init,	/* init_proc */
+    mi_interpreter_resume,	/* resume_proc */
+    mi_interpreter_suspend,	/* suspend_proc */
+    mi_interpreter_exec,	/* exec_proc */
+    mi_interpreter_prompt_p	/* prompt_proc_p */
+  };
+
+  /* Create MI1 interpreter */
+  interp_add (interp_new (INTERP_MI1, NULL, mi_out_new (1), &procs));
+
+  interp_add (interp_new (INTERP_MI, NULL, mi_out_new (3), &procs));
+}
diff --git a/gdb/mi/mi-main.h b/gdb/mi/mi-main.h
new file mode 100644
index 00000000000..8e504c6076e
--- /dev/null
+++ b/gdb/mi/mi-main.h
@@ -0,0 +1,33 @@
+/* MI Internal Functions for GDB, the GNU debugger.
+
+   Copyright 2003 Free Software Foundation, 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 MI_MAIN_H
+#define MI_MAIN_H
+
+extern void mi_setup_architecture_data (void);
+
+extern void mi_load_progress (const char *section_name,
+			      unsigned long sent_so_far,
+			      unsigned long total_section,
+			      unsigned long total_sent,
+			      unsigned long grand_total);
+#endif
+