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Diffstat (limited to 'gdb/cli/cli-interp.c')
-rw-r--r-- | gdb/cli/cli-interp.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/gdb/cli/cli-interp.c b/gdb/cli/cli-interp.c new file mode 100644 index 0000000..e2116e7 --- /dev/null +++ b/gdb/cli/cli-interp.c @@ -0,0 +1,138 @@ +/* CLI Definitions 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 "interps.h" +#include "wrapper.h" +#include "event-top.h" +#include "ui-out.h" +#include "cli-out.h" +#include "top.h" /* for "execute_command" */ +#include "gdb_string.h" + +struct ui_out *cli_uiout; + +/* These are the ui_out and the interpreter for the console interpreter. */ + +/* Longjmp-safe wrapper for "execute_command" */ +static int do_captured_execute_command (struct ui_out *uiout, void *data); +static enum gdb_rc safe_execute_command (struct ui_out *uiout, char *command, + int from_tty); +struct captured_execute_command_args +{ + char *command; + int from_tty; +}; + +/* These implement the cli out interpreter: */ + +static void * +cli_interpreter_init (void) +{ + return NULL; +} + +static int +cli_interpreter_resume (void *data) +{ + /*sync_execution = 1; */ + gdb_setup_readline (); + return 1; +} + +static int +cli_interpreter_suspend (void *data) +{ + gdb_disable_readline (); + return 1; +} + +/* Don't display the prompt if we are set quiet. */ +static int +cli_interpreter_display_prompt_p (void *data) +{ + if (interp_quiet_p (NULL)) + return 0; + else + return 1; +} + +static int +cli_interpreter_exec (void *data, const char *command_str) +{ + int result; + struct ui_file *old_stream; + + /* FIXME: cagney/2003-02-01: Need to const char *propogate + safe_execute_command. */ + char *str = strcpy (alloca (strlen (command_str) + 1), command_str); + + /* gdb_stdout could change between the time cli_uiout was initialized + and now. Since we're probably using a different interpreter which has + a new ui_file for gdb_stdout, use that one instead of the default. + + It is important that it gets reset everytime, since the user could + set gdb to use a different interpreter. */ + old_stream = cli_out_set_stream (cli_uiout, gdb_stdout); + result = safe_execute_command (cli_uiout, str, 1); + cli_out_set_stream (cli_uiout, old_stream); + return result; +} + +static int +do_captured_execute_command (struct ui_out *uiout, void *data) +{ + struct captured_execute_command_args *args = + (struct captured_execute_command_args *) data; + execute_command (args->command, args->from_tty); + return GDB_RC_OK; +} + +static enum gdb_rc +safe_execute_command (struct ui_out *uiout, char *command, int from_tty) +{ + struct captured_execute_command_args args; + args.command = command; + args.from_tty = from_tty; + return catch_exceptions (uiout, do_captured_execute_command, &args, + NULL, RETURN_MASK_ALL); +} + + +/* standard gdb initialization hook */ +void +_initialize_cli_interp (void) +{ + static const struct interp_procs procs = { + cli_interpreter_init, /* init_proc */ + cli_interpreter_resume, /* resume_proc */ + cli_interpreter_suspend, /* suspend_proc */ + cli_interpreter_exec, /* exec_proc */ + cli_interpreter_display_prompt_p /* prompt_proc_p */ + }; + struct interp *cli_interp; + + /* Create a default uiout builder for the CLI. */ + cli_uiout = cli_out_new (gdb_stdout); + cli_interp = interp_new (INTERP_CONSOLE, NULL, cli_uiout, &procs); + + interp_add (cli_interp); +} |