/* GDB CLI command scripting.
- Copyright (c) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008,
- 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdb_assert.h"
#include "python/python.h"
+#include "interps.h"
/* Prototypes for local functions. */
struct cleanup *old_chain;
enum command_control_type ret;
static int user_call_depth = 0;
- extern int max_user_call_depth;
-
- old_chain = setup_user_args (args);
+ extern unsigned int max_user_call_depth;
cmdlines = c->user_commands;
if (cmdlines == 0)
/* Null command */
return;
+ old_chain = setup_user_args (args);
+
if (++user_call_depth > max_user_call_depth)
error (_("Max user call depth exceeded -- command aborted."));
not confused with Insight. */
in_user_command = 1;
+ make_cleanup_restore_integer (&interpreter_async);
+ interpreter_async = 0;
+
command_nest_depth++;
while (cmdlines)
{
case while_control:
{
- char *buffer = alloca (strlen (cmd->line) + 7);
+ int len = strlen (cmd->line) + 7;
+ char *buffer = alloca (len);
- sprintf (buffer, "while %s", cmd->line);
+ xsnprintf (buffer, len, "while %s", cmd->line);
print_command_trace (buffer);
/* Parse the loop control expression for the while statement. */
case if_control:
{
- char *buffer = alloca (strlen (cmd->line) + 4);
+ int len = strlen (cmd->line) + 4;
+ char *buffer = alloca (len);
- sprintf (buffer, "if %s", cmd->line);
+ xsnprintf (buffer, len, "if %s", cmd->line);
print_command_trace (buffer);
new_line = insert_args (cmd->line);
/* "while" command support. Executes a body of statements while the
loop condition is nonzero. */
-void
+static void
while_command (char *arg, int from_tty)
{
struct command_line *command = NULL;
+ struct cleanup *old_chain;
control_level = 1;
command = get_command_line (while_control, arg);
if (command == NULL)
return;
+ old_chain = make_cleanup_restore_integer (&interpreter_async);
+ interpreter_async = 0;
+
execute_control_command_untraced (command);
free_command_lines (&command);
+
+ do_cleanups (old_chain);
}
/* "if" command support. Execute either the true or false arm depending
on the value of the if conditional. */
-void
+static void
if_command (char *arg, int from_tty)
{
struct command_line *command = NULL;
+ struct cleanup *old_chain;
control_level = 1;
command = get_command_line (if_control, arg);
if (command == NULL)
return;
+ old_chain = make_cleanup_restore_integer (&interpreter_async);
+ interpreter_async = 0;
+
execute_control_command_untraced (command);
free_command_lines (&command);
+
+ do_cleanups (old_chain);
}
/* Cleanup */
return ret;
}
+static void
+restore_interp (void *arg)
+{
+ interp_set_temp (interp_name ((struct interp *)arg));
+}
+
/* Read lines from the input stream and accumulate them in a chain of
struct command_line's, which is then returned. For input from a
terminal, the special command "end" is used to mark the end of the
}
}
- head = read_command_lines_1 (read_next_line, parse_commands,
- validator, closure);
+
+ /* Reading commands assumes the CLI behavior, so temporarily
+ override the current interpreter with CLI. */
+ if (current_interp_named_p (INTERP_CONSOLE))
+ head = read_command_lines_1 (read_next_line, parse_commands,
+ validator, closure);
+ else
+ {
+ struct interp *old_interp = interp_set_temp (INTERP_CONSOLE);
+ struct cleanup *old_chain = make_cleanup (restore_interp, old_interp);
+
+ head = read_command_lines_1 (read_next_line, parse_commands,
+ validator, closure);
+ do_cleanups (old_chain);
+ }
if (deprecated_readline_end_hook && from_tty && input_from_terminal_p ())
{
if (last_word != *comname)
{
struct cmd_list_element *c;
- char saved_char, *tem = *comname;
+ char saved_char;
+ const char *tem = *comname;
/* Separate the prefix and the command. */
saved_char = last_word[-1];
{
}
-void
+static void
define_command (char *comname, int from_tty)
{
#define MAX_TMPBUF 128
struct command_line *cmds;
struct cmd_list_element *c, *newc, *hookc = 0, **list;
char *tem, *comfull;
+ const char *tem_c;
char tmpbuf[MAX_TMPBUF];
int hook_type = CMD_NO_HOOK;
int hook_name_size = 0;
list = validate_comname (&comname);
/* Look it up, and verify that we got an exact match. */
- tem = comname;
- c = lookup_cmd (&tem, *list, "", -1, 1);
+ tem_c = comname;
+ c = lookup_cmd (&tem_c, *list, "", -1, 1);
if (c && strcmp (comname, c->name) != 0)
c = 0;
if (hook_type != CMD_NO_HOOK)
{
/* Look up cmd it hooks, and verify that we got an exact match. */
- tem = comname + hook_name_size;
- hookc = lookup_cmd (&tem, *list, "", -1, 0);
+ tem_c = comname + hook_name_size;
+ hookc = lookup_cmd (&tem_c, *list, "", -1, 0);
if (hookc && strcmp (comname + hook_name_size, hookc->name) != 0)
hookc = 0;
if (!hookc)
if (isupper (*tem))
*tem = tolower (*tem);
- sprintf (tmpbuf, "Type commands for definition of \"%s\".", comfull);
+ xsnprintf (tmpbuf, sizeof (tmpbuf),
+ "Type commands for definition of \"%s\".", comfull);
cmds = read_command_lines (tmpbuf, from_tty, 1, 0, 0);
if (c && c->class == class_user)
}
}
-void
+static void
document_command (char *comname, int from_tty)
{
struct command_line *doclines;
struct cmd_list_element *c, **list;
- char *tem, *comfull;
+ const char *tem;
+ char *comfull;
char tmpbuf[128];
comfull = comname;
if (c->class != class_user)
error (_("Command \"%s\" is built-in."), comfull);
- sprintf (tmpbuf, "Type documentation for \"%s\".", comfull);
+ xsnprintf (tmpbuf, sizeof (tmpbuf), "Type documentation for \"%s\".",
+ comfull);
doclines = read_command_lines (tmpbuf, from_tty, 0, 0, 0);
if (c->doc)
source_file_name = p->old_file;
}
-struct wrapped_read_command_file_args
-{
- FILE *stream;
-};
-
-static void
-wrapped_read_command_file (struct ui_out *uiout, void *data)
-{
- struct wrapped_read_command_file_args *args = data;
-
- read_command_file (args->stream);
-}
-
/* Used to implement source_command. */
void
if (stream == NULL)
internal_error (__FILE__, __LINE__, _("called with NULL file pointer!"));
- old_cleanups = make_cleanup_fclose (stream);
-
old_lines.old_line = source_line_number;
old_lines.old_file = source_file_name;
- make_cleanup (source_cleanup_lines, &old_lines);
+ old_cleanups = make_cleanup (source_cleanup_lines, &old_lines);
source_line_number = 0;
source_file_name = file;
/* This will get set every time we read a line. So it won't stay ""
error_pre_print = "";
{
- struct gdb_exception e;
- struct wrapped_read_command_file_args args;
+ volatile struct gdb_exception e;
- args.stream = stream;
- e = catch_exception (uiout, wrapped_read_command_file, &args,
- RETURN_MASK_ERROR);
+ TRY_CATCH (e, RETURN_MASK_ERROR)
+ {
+ read_command_file (stream);
+ }
switch (e.reason)
{
case 0:
(recursively). PREFIX and NAME combined are the name of the
current command. */
void
-show_user_1 (struct cmd_list_element *c, char *prefix, char *name,
+show_user_1 (struct cmd_list_element *c, const char *prefix, const char *name,
struct ui_file *stream)
{
struct command_line *cmdlines;
return;
fprintf_filtered (stream, "User command \"%s%s\":\n", prefix, name);
- print_command_lines (uiout, cmdlines, 1);
+ print_command_lines (current_uiout, cmdlines, 1);
fputs_filtered ("\n", stream);
}
+\f
+
+initialize_file_ftype _initialize_cli_script;
+
+void
+_initialize_cli_script (void)
+{
+ add_com ("document", class_support, document_command, _("\
+Document a user-defined command.\n\
+Give command name as argument. Give documentation on following lines.\n\
+End with a line of just \"end\"."));
+ add_com ("define", class_support, define_command, _("\
+Define a new command name. Command name is argument.\n\
+Definition appears on following lines, one command per line.\n\
+End with a line of just \"end\".\n\
+Use the \"document\" command to give documentation for the new command.\n\
+Commands defined in this way may have up to ten arguments."));
+
+ add_com ("while", class_support, while_command, _("\
+Execute nested commands WHILE the conditional expression is non zero.\n\
+The conditional expression must follow the word `while' and must in turn be\n\
+followed by a new line. The nested commands must be entered one per line,\n\
+and should be terminated by the word `end'."));
+
+ add_com ("if", class_support, if_command, _("\
+Execute nested commands once IF the conditional expression is non zero.\n\
+The conditional expression must follow the word `if' and must in turn be\n\
+followed by a new line. The nested commands must be entered one per line,\n\
+and should be terminated by the word 'else' or `end'. If an else clause\n\
+is used, the same rules apply to its nested commands as to the first ones."));
+}
projects / platform / upstream / binutils.git / blobdiff