/* 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
- Free Software Foundation, Inc.
+ Copyright (c) 1986-2002, 2004-2012 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 */
+/* Prototypes for local functions. */
static enum command_control_type
- recurse_read_control_structure (struct command_line *current_cmd);
+recurse_read_control_structure (char * (*read_next_line_func) (void),
+ struct command_line *current_cmd,
+ void (*validator)(char *, void *),
+ void *closure);
static char *insert_args (char *line);
static struct cleanup * setup_user_args (char *p);
-static void validate_comname (char *);
+static char *read_next_line (void);
/* Level of control structure when reading. */
static int control_level;
{
struct user_args *next;
/* It is necessary to store a malloced copy of the command line to
- ensure that the arguments are not overwritten before they are used. */
+ ensure that the arguments are not overwritten before they are
+ used. */
char *command;
struct
{
= (struct command_line **) xmalloc (sizeof (struct command_line *)
* cmd->body_count);
memset (cmd->body_list, 0, sizeof (struct command_line *) * cmd->body_count);
- cmd->line = savestring (args, strlen (args));
+ cmd->line = xstrdup (args);
return cmd;
}
old_chain = make_cleanup_free_command_lines (&cmd);
/* Read in the body of this command. */
- if (recurse_read_control_structure (cmd) == invalid_control)
+ if (recurse_read_control_structure (read_next_line, cmd, 0, 0)
+ == invalid_control)
{
warning (_("Error reading in canned sequence of commands."));
do_cleanups (old_chain);
list = cmd;
while (list)
{
-
if (depth)
ui_out_spaces (uiout, 2 * depth);
continue;
}
- /* loop_break to break out of a while loop, print it and continue. */
+ /* loop_break to break out of a while loop, print it and
+ continue. */
if (list->control_type == break_control)
{
ui_out_field_string (uiout, NULL, "loop_break");
continue;
}
- /* A while command. Recursively print its subcommands and continue. */
- if (list->control_type == while_control)
+ /* A while command. Recursively print its subcommands and
+ continue. */
+ if (list->control_type == while_control
+ || list->control_type == while_stepping_control)
{
- ui_out_field_fmt (uiout, NULL, "while %s", list->line);
+ /* For while-stepping, the line includes the 'while-stepping'
+ token. See comment in process_next_line for explanation.
+ Here, take care not print 'while-stepping' twice. */
+ if (list->control_type == while_control)
+ ui_out_field_fmt (uiout, NULL, "while %s", list->line);
+ else
+ ui_out_field_string (uiout, NULL, list->line);
ui_out_text (uiout, "\n");
print_command_lines (uiout, *list->body_list, depth + 1);
if (depth)
continue;
}
- /* An if command. Recursively print both arms before continueing. */
+ /* An if command. Recursively print both arms before
+ continueing. */
if (list->control_type == if_control)
{
ui_out_field_fmt (uiout, NULL, "if %s", list->line);
ui_out_text (uiout, "\n");
- /* The true arm. */
+ /* The true arm. */
print_command_lines (uiout, list->body_list[0], depth + 1);
/* Show the false arm if it exists. */
continue;
}
- /* A commands command. Print the breakpoint commands and continue. */
+ /* A commands command. Print the breakpoint commands and
+ continue. */
if (list->control_type == commands_control)
{
if (*(list->line))
continue;
}
- /* ignore illegal command type and try next */
+ /* Ignore illegal command type and try next. */
list = list->next;
} /* while (list) */
}
clear_hook_in_cleanup (void *data)
{
struct cmd_list_element *c = data;
- c->hook_in = 0; /* Allow hook to work again once it is complete */
+
+ c->hook_in = 0; /* Allow hook to work again once it is complete. */
}
void
if ((c->hook_pre) && (!c->hook_in))
{
struct cleanup *cleanups = make_cleanup (clear_hook_in_cleanup, c);
- c->hook_in = 1; /* Prevent recursive hooking */
+ c->hook_in = 1; /* Prevent recursive hooking. */
execute_user_command (c->hook_pre, (char *) 0);
do_cleanups (cleanups);
}
if ((c->hook_post) && (!c->hook_in))
{
struct cleanup *cleanups = make_cleanup (clear_hook_in_cleanup, c);
- c->hook_in = 1; /* Prevent recursive hooking */
+
+ c->hook_in = 1; /* Prevent recursive hooking. */
execute_user_command (c->hook_post, (char *) 0);
do_cleanups (cleanups);
}
static void
do_restore_user_call_depth (void * call_depth)
{
- int * depth = call_depth;
+ int *depth = call_depth;
+
(*depth)--;
if ((*depth) == 0)
in_user_command = 0;
static int user_call_depth = 0;
extern int max_user_call_depth;
- old_chain = setup_user_args (args);
-
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)
{
do_cleanups (old_chain);
}
-/* This function is called every time GDB prints a prompt.
- It ensures that errors and the like to not confuse the command tracing. */
+/* This function is called every time GDB prints a prompt. It ensures
+ that errors and the like do not confuse the command tracing. */
void
reset_command_nest_depth (void)
case while_control:
{
char *buffer = alloca (strlen (cmd->line) + 7);
+
sprintf (buffer, "while %s", cmd->line);
print_command_trace (buffer);
case if_control:
{
char *buffer = alloca (strlen (cmd->line) + 4);
+
sprintf (buffer, "if %s", cmd->line);
print_command_trace (buffer);
val_mark = value_mark ();
val = evaluate_expression (expr);
- /* Choose which arm to take commands from based on the value of the
- conditional expression. */
+ /* Choose which arm to take commands from based on the value
+ of the conditional expression. */
if (value_true (val))
current = *cmd->body_list;
else if (cmd->body_count == 2)
}
case commands_control:
{
- /* Breakpoint commands list, record the commands in the breakpoint's
- command list and return. */
+ /* Breakpoint commands list, record the commands in the
+ breakpoint's command list and return. */
new_line = insert_args (cmd->line);
if (!new_line)
break;
}
/* Like execute_control_command, but first set
- suppress_next_print_command_trace. */
+ suppress_next_print_command_trace. */
enum command_control_type
execute_control_command_untraced (struct command_line *cmd)
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
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 */
arg_cleanup (void *ignore)
{
struct user_args *oargs = user_args;
+
if (!user_args)
internal_error (__FILE__, __LINE__,
_("arg_cleanup called with no user args.\n"));
return old_chain;
}
-/* Given character string P, return a point to the first argument ($arg),
- or NULL if P contains no arguments. */
+/* Given character string P, return a point to the first argument
+ ($arg), or NULL if P contains no arguments. */
static char *
locate_arg (char *p)
}
/* Insert the user defined arguments stored in user_arg into the $arg
- arguments found in line, with the updated copy being placed into nline. */
+ arguments found in line, with the updated copy being placed into
+ nline. */
static char *
insert_args (char *line)
if (user_args == NULL)
return xstrdup (line);
- /* First we need to know how much memory to allocate for the new line. */
+ /* First we need to know how much memory to allocate for the new
+ line. */
save_line = line;
len = 0;
while ((p = locate_arg (line)))
i = p[4] - '0';
len = user_args->a[i].len;
if (len)
- {
- memcpy (new_line, user_args->a[i].arg, len);
- new_line += len;
- }
+ {
+ memcpy (new_line, user_args->a[i].arg, len);
+ new_line += len;
+ }
}
line = p + 5;
}
command->body_count = new_length;
}
-/* Read one line from the input stream. If the command is an "end",
- return such an indication to the caller. If PARSE_COMMANDS is true,
- strip leading whitespace (trailing whitespace is always stripped)
- in the line, attempt to recognize GDB control commands, and also
- return an indication if the command is an "else" or a nop.
- Otherwise, only "end" is recognized. */
+/* Read next line from stdout. Passed to read_command_line_1 and
+ recurse_read_control_structure whenever we need to read commands
+ from stdout. */
-static enum misc_command_type
-read_next_line (struct command_line **command, int parse_commands)
+static char *
+read_next_line (void)
{
- char *p, *p1, *prompt_ptr, control_prompt[256];
+ char *prompt_ptr, control_prompt[256];
int i = 0;
- int not_handled = 0;
if (control_level >= 254)
error (_("Control nesting too deep!"));
else
prompt_ptr = NULL;
- p = command_line_input (prompt_ptr, instream == stdin, "commands");
+ return command_line_input (prompt_ptr, instream == stdin, "commands");
+}
+
+/* Process one input line. If the command is an "end", return such an
+ indication to the caller. If PARSE_COMMANDS is true, strip leading
+ whitespace (trailing whitespace is always stripped) in the line,
+ attempt to recognize GDB control commands, and also return an
+ indication if the command is an "else" or a nop.
+
+ Otherwise, only "end" is recognized. */
+
+static enum misc_command_type
+process_next_line (char *p, struct command_line **command, int parse_commands,
+ void (*validator)(char *, void *), void *closure)
+{
+ char *p_end;
+ char *p_start;
+ int not_handled = 0;
/* Not sure what to do here. */
if (p == NULL)
return end_command;
- if (parse_commands)
- {
- /* Strip leading whitespace. */
- while (*p == ' ' || *p == '\t')
- p++;
- }
-
/* Strip trailing whitespace. */
- p1 = p + strlen (p);
- while (p1 != p && (p1[-1] == ' ' || p1[-1] == '\t'))
- p1--;
-
- /* Is this the end of a simple, while, or if control structure? */
- if (p1 - p == 3 && !strncmp (p, "end", 3))
+ p_end = p + strlen (p);
+ while (p_end > p && (p_end[-1] == ' ' || p_end[-1] == '\t'))
+ p_end--;
+
+ p_start = p;
+ /* Strip leading whitespace. */
+ while (p_start < p_end && (*p_start == ' ' || *p_start == '\t'))
+ p_start++;
+
+ /* 'end' is always recognized, regardless of parse_commands value.
+ We also permit whitespace before end and after. */
+ if (p_end - p_start == 3 && !strncmp (p_start, "end", 3))
return end_command;
-
+
if (parse_commands)
{
+ /* If commands are parsed, we skip initial spaces. Otherwise,
+ which is the case for Python commands and documentation
+ (see the 'document' command), spaces are preserved. */
+ p = p_start;
+
/* Blanks and comments don't really do anything, but we need to
- distinguish them from else, end and other commands which can be
- executed. */
- if (p1 == p || p[0] == '#')
+ distinguish them from else, end and other commands which can
+ be executed. */
+ if (p_end == p || p[0] == '#')
return nop_command;
/* Is the else clause of an if control structure? */
- if (p1 - p == 4 && !strncmp (p, "else", 4))
+ if (p_end - p == 4 && !strncmp (p, "else", 4))
return else_command;
- /* Check for while, if, break, continue, etc and build a new command
- line structure for them. */
- if (p1 - p > 5 && !strncmp (p, "while", 5))
+ /* Check for while, if, break, continue, etc and build a new
+ command line structure for them. */
+ if ((p_end - p >= 14 && !strncmp (p, "while-stepping", 14))
+ || (p_end - p >= 8 && !strncmp (p, "stepping", 8))
+ || (p_end - p >= 2 && !strncmp (p, "ws", 2)))
+ {
+ /* Because validate_actionline and encode_action lookup
+ command's line as command, we need the line to
+ include 'while-stepping'.
+
+ For 'ws' alias, the command will have 'ws', not expanded
+ to 'while-stepping'. This is intentional -- we don't
+ really want frontend to send a command list with 'ws',
+ and next break-info returning command line with
+ 'while-stepping'. This should work, but might cause the
+ breakpoint to be marked as changed while it's actually
+ not. */
+ *command = build_command_line (while_stepping_control, p);
+ }
+ else if (p_end - p > 5 && !strncmp (p, "while", 5))
{
char *first_arg;
+
first_arg = p + 5;
- while (first_arg < p1 && isspace (*first_arg))
+ while (first_arg < p_end && isspace (*first_arg))
first_arg++;
*command = build_command_line (while_control, first_arg);
}
- else if (p1 - p > 2 && !strncmp (p, "if", 2))
+ else if (p_end - p > 2 && !strncmp (p, "if", 2))
{
char *first_arg;
+
first_arg = p + 2;
- while (first_arg < p1 && isspace (*first_arg))
+ while (first_arg < p_end && isspace (*first_arg))
first_arg++;
*command = build_command_line (if_control, first_arg);
}
- else if (p1 - p >= 8 && !strncmp (p, "commands", 8))
+ else if (p_end - p >= 8 && !strncmp (p, "commands", 8))
{
char *first_arg;
+
first_arg = p + 8;
- while (first_arg < p1 && isspace (*first_arg))
+ while (first_arg < p_end && isspace (*first_arg))
first_arg++;
*command = build_command_line (commands_control, first_arg);
}
- else if (p1 - p == 6 && !strncmp (p, "python", 6))
+ else if (p_end - p == 6 && !strncmp (p, "python", 6))
{
/* Note that we ignore the inline "python command" form
here. */
*command = build_command_line (python_control, "");
}
- else if (p1 - p == 10 && !strncmp (p, "loop_break", 10))
+ else if (p_end - p == 10 && !strncmp (p, "loop_break", 10))
{
*command = (struct command_line *)
xmalloc (sizeof (struct command_line));
(*command)->body_count = 0;
(*command)->body_list = NULL;
}
- else if (p1 - p == 13 && !strncmp (p, "loop_continue", 13))
+ else if (p_end - p == 13 && !strncmp (p, "loop_continue", 13))
{
*command = (struct command_line *)
xmalloc (sizeof (struct command_line));
*command = (struct command_line *)
xmalloc (sizeof (struct command_line));
(*command)->next = NULL;
- (*command)->line = savestring (p, p1 - p);
+ (*command)->line = savestring (p, p_end - p);
(*command)->control_type = simple_control;
(*command)->body_count = 0;
(*command)->body_list = NULL;
}
+ if (validator)
+ {
+ volatile struct gdb_exception ex;
+
+ TRY_CATCH (ex, RETURN_MASK_ALL)
+ {
+ validator ((*command)->line, closure);
+ }
+ if (ex.reason < 0)
+ {
+ xfree (*command);
+ throw_exception (ex);
+ }
+ }
+
/* Nothing special. */
return ok_command;
}
-/* Recursively read in the control structures and create a command_line
- structure from them.
-
- The parent_control parameter is the control structure in which the
- following commands are nested. */
+/* Recursively read in the control structures and create a
+ command_line structure from them. Use read_next_line_func to
+ obtain lines of the command. */
static enum command_control_type
-recurse_read_control_structure (struct command_line *current_cmd)
+recurse_read_control_structure (char * (*read_next_line_func) (void),
+ struct command_line *current_cmd,
+ void (*validator)(char *, void *),
+ void *closure)
{
int current_body, i;
enum misc_command_type val;
dont_repeat ();
next = NULL;
- val = read_next_line (&next, current_cmd->control_type != python_control);
+ val = process_next_line (read_next_line_func (), &next,
+ current_cmd->control_type != python_control,
+ validator, closure);
/* Just skip blanks and comments. */
if (val == nop_command)
if (val == end_command)
{
if (current_cmd->control_type == while_control
+ || current_cmd->control_type == while_stepping_control
|| current_cmd->control_type == if_control
|| current_cmd->control_type == python_control
|| current_cmd->control_type == commands_control)
/* If the latest line is another control structure, then recurse
on it. */
if (next->control_type == while_control
+ || next->control_type == while_stepping_control
|| next->control_type == if_control
|| next->control_type == python_control
|| next->control_type == commands_control)
{
control_level++;
- ret = recurse_read_control_structure (next);
+ ret = recurse_read_control_structure (read_next_line_func, next,
+ validator, closure);
control_level--;
if (ret != simple_control)
#define END_MESSAGE "End with a line saying just \"end\"."
struct command_line *
-read_command_lines (char *prompt_arg, int from_tty, int parse_commands)
+read_command_lines (char *prompt_arg, int from_tty, int parse_commands,
+ void (*validator)(char *, void *), void *closure)
{
- struct command_line *head, *tail, *next;
- struct cleanup *old_chain;
- enum command_control_type ret;
- enum misc_command_type val;
-
- control_level = 0;
+ struct command_line *head;
if (from_tty && input_from_terminal_p ())
{
if (deprecated_readline_begin_hook)
{
- /* Note - intentional to merge messages with no newline */
- (*deprecated_readline_begin_hook) ("%s %s\n", prompt_arg, END_MESSAGE);
+ /* Note - intentional to merge messages with no newline. */
+ (*deprecated_readline_begin_hook) ("%s %s\n", prompt_arg,
+ END_MESSAGE);
}
else
{
}
}
+ head = read_command_lines_1 (read_next_line, parse_commands,
+ validator, closure);
+
+ if (deprecated_readline_end_hook && from_tty && input_from_terminal_p ())
+ {
+ (*deprecated_readline_end_hook) ();
+ }
+ return (head);
+}
+
+/* Act the same way as read_command_lines, except that each new line is
+ obtained using READ_NEXT_LINE_FUNC. */
+
+struct command_line *
+read_command_lines_1 (char * (*read_next_line_func) (void), int parse_commands,
+ void (*validator)(char *, void *), void *closure)
+{
+ struct command_line *head, *tail, *next;
+ struct cleanup *old_chain;
+ enum command_control_type ret;
+ enum misc_command_type val;
+
+ control_level = 0;
head = tail = NULL;
old_chain = NULL;
while (1)
{
dont_repeat ();
- val = read_next_line (&next, parse_commands);
+ val = process_next_line (read_next_line_func (), &next, parse_commands,
+ validator, closure);
/* Ignore blank lines or comments. */
if (val == nop_command)
if (next->control_type == while_control
|| next->control_type == if_control
|| next->control_type == python_control
- || next->control_type == commands_control)
+ || next->control_type == commands_control
+ || next->control_type == while_stepping_control)
{
control_level++;
- ret = recurse_read_control_structure (next);
+ ret = recurse_read_control_structure (read_next_line_func, next,
+ validator, closure);
control_level--;
if (ret == invalid_control)
do_cleanups (old_chain);
}
- if (deprecated_readline_end_hook && from_tty && input_from_terminal_p ())
- {
- (*deprecated_readline_end_hook) ();
- }
- return (head);
+ return head;
}
/* Free a chain of struct command_line's. */
return result;
}
\f
-static void
-validate_comname (char *comname)
+/* Validate that *COMNAME is a valid name for a command. Return the
+ containing command list, in case it starts with a prefix command.
+ The prefix must already exist. *COMNAME is advanced to point after
+ any prefix, and a NUL character overwrites the space after the
+ prefix. */
+
+static struct cmd_list_element **
+validate_comname (char **comname)
{
- char *p;
+ struct cmd_list_element **list = &cmdlist;
+ char *p, *last_word;
- if (comname == 0)
+ if (*comname == 0)
error_no_arg (_("name of command to define"));
- p = comname;
+ /* Find the last word of the argument. */
+ p = *comname + strlen (*comname);
+ while (p > *comname && isspace (p[-1]))
+ p--;
+ while (p > *comname && !isspace (p[-1]))
+ p--;
+ last_word = p;
+
+ /* Find the corresponding command list. */
+ if (last_word != *comname)
+ {
+ struct cmd_list_element *c;
+ char saved_char, *tem = *comname;
+
+ /* Separate the prefix and the command. */
+ saved_char = last_word[-1];
+ last_word[-1] = '\0';
+
+ c = lookup_cmd (&tem, cmdlist, "", 0, 1);
+ if (c->prefixlist == NULL)
+ error (_("\"%s\" is not a prefix command."), *comname);
+
+ list = c->prefixlist;
+ last_word[-1] = saved_char;
+ *comname = last_word;
+ }
+
+ p = *comname;
while (*p)
{
if (!isalnum (*p) && *p != '-' && *p != '_')
error (_("Junk in argument list: \"%s\""), p);
p++;
}
+
+ return list;
}
/* This is just a placeholder in the command data structures. */
CMD_POST_HOOK
};
struct command_line *cmds;
- struct cmd_list_element *c, *newc, *oldc, *hookc = 0;
- char *tem = comname;
- char *tem2;
+ struct cmd_list_element *c, *newc, *hookc = 0, **list;
+ char *tem, *comfull;
char tmpbuf[MAX_TMPBUF];
int hook_type = CMD_NO_HOOK;
int hook_name_size = 0;
#define HOOK_POST_STRING "hookpost-"
#define HOOK_POST_LEN 9
- validate_comname (comname);
+ comfull = comname;
+ list = validate_comname (&comname);
/* Look it up, and verify that we got an exact match. */
- c = lookup_cmd (&tem, cmdlist, "", -1, 1);
+ tem = comname;
+ c = lookup_cmd (&tem, *list, "", -1, 1);
if (c && strcmp (comname, c->name) != 0)
c = 0;
if (c)
{
int q;
+
if (c->class == class_user || c->class == class_alias)
q = query (_("Redefine command \"%s\"? "), c->name);
else
{
/* Look up cmd it hooks, and verify that we got an exact match. */
tem = comname + hook_name_size;
- hookc = lookup_cmd (&tem, cmdlist, "", -1, 0);
+ hookc = lookup_cmd (&tem, *list, "", -1, 0);
if (hookc && strcmp (comname + hook_name_size, hookc->name) != 0)
hookc = 0;
if (!hookc)
{
- warning (_("Your new `%s' command does not hook any existing command."),
- comname);
- if (!query ("Proceed? "))
+ warning (_("Your new `%s' command does not "
+ "hook any existing command."),
+ comfull);
+ if (!query (_("Proceed? ")))
error (_("Not confirmed."));
}
}
- comname = savestring (comname, strlen (comname));
+ comname = xstrdup (comname);
/* If the rest of the commands will be case insensitive, this one
- should behave in the same manner. */
+ should behave in the same manner. */
for (tem = comname; *tem; tem++)
if (isupper (*tem))
*tem = tolower (*tem);
- sprintf (tmpbuf, "Type commands for definition of \"%s\".", comname);
- cmds = read_command_lines (tmpbuf, from_tty, 1);
+ sprintf (tmpbuf, "Type commands for definition of \"%s\".", comfull);
+ cmds = read_command_lines (tmpbuf, from_tty, 1, 0, 0);
if (c && c->class == class_user)
free_command_lines (&c->user_commands);
newc = add_cmd (comname, class_user, user_defined_command,
(c && c->class == class_user)
- ? c->doc : savestring ("User-defined.", 13), &cmdlist);
+ ? c->doc : xstrdup ("User-defined."), list);
newc->user_commands = cmds;
/* If this new command is a hook, then mark both commands as being
{
case CMD_PRE_HOOK:
hookc->hook_pre = newc; /* Target gets hooked. */
- newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */
+ newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */
break;
case CMD_POST_HOOK:
hookc->hook_post = newc; /* Target gets hooked. */
- newc->hookee_post = hookc; /* We are marked as hooking target cmd. */
+ newc->hookee_post = hookc; /* We are marked as hooking
+ target cmd. */
break;
default:
- /* Should never come here as hookc would be 0. */
+ /* Should never come here as hookc would be 0. */
internal_error (__FILE__, __LINE__, _("bad switch"));
}
}
document_command (char *comname, int from_tty)
{
struct command_line *doclines;
- struct cmd_list_element *c;
- char *tem = comname;
+ struct cmd_list_element *c, **list;
+ char *tem, *comfull;
char tmpbuf[128];
- validate_comname (comname);
+ comfull = comname;
+ list = validate_comname (&comname);
- c = lookup_cmd (&tem, cmdlist, "", 0, 1);
+ tem = comname;
+ c = lookup_cmd (&tem, *list, "", 0, 1);
if (c->class != class_user)
- error (_("Command \"%s\" is built-in."), comname);
+ error (_("Command \"%s\" is built-in."), comfull);
- sprintf (tmpbuf, "Type documentation for \"%s\".", comname);
- doclines = read_command_lines (tmpbuf, from_tty, 0);
+ sprintf (tmpbuf, "Type documentation for \"%s\".", comfull);
+ doclines = read_command_lines (tmpbuf, from_tty, 0, 0, 0);
if (c->doc)
xfree (c->doc);
struct source_cleanup_lines_args
{
int old_line;
- char *old_file;
+ const char *old_file;
};
static void
source_cleanup_lines (void *args)
{
struct source_cleanup_lines_args *p =
- (struct source_cleanup_lines_args *) args;
+ (struct source_cleanup_lines_args *) args;
+
source_line_number = p->old_line;
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 */
+/* Used to implement source_command. */
void
-script_from_file (FILE *stream, char *file)
+script_from_file (FILE *stream, const char *file)
{
struct cleanup *old_cleanups;
struct source_cleanup_lines_args old_lines;
- int needed_length;
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 "" for
- long. */
+ /* This will get set every time we read a line. So it won't stay ""
+ for long. */
error_pre_print = "";
{
- struct gdb_exception e;
- struct wrapped_read_command_file_args args;
- args.stream = stream;
- e = catch_exception (uiout, wrapped_read_command_file, &args,
- RETURN_MASK_ERROR);
+ volatile struct gdb_exception e;
+
+ TRY_CATCH (e, RETURN_MASK_ERROR)
+ {
+ read_command_file (stream);
+ }
switch (e.reason)
{
case 0:
do_cleanups (old_cleanups);
}
+/* Print the definition of user command C to STREAM. Or, if C is a
+ prefix command, show the definitions of all user commands under C
+ (recursively). PREFIX and NAME combined are the name of the
+ current command. */
void
-show_user_1 (struct cmd_list_element *c, struct ui_file *stream)
+show_user_1 (struct cmd_list_element *c, char *prefix, char *name,
+ struct ui_file *stream)
{
struct command_line *cmdlines;
+ if (c->prefixlist != NULL)
+ {
+ char *prefixname = c->prefixname;
+
+ for (c = *c->prefixlist; c != NULL; c = c->next)
+ if (c->class == class_user || c->prefixlist != NULL)
+ show_user_1 (c, prefixname, c->name, gdb_stdout);
+ return;
+ }
+
cmdlines = c->user_commands;
if (!cmdlines)
return;
- fputs_filtered ("User command ", stream);
- fputs_filtered (c->name, stream);
- fputs_filtered (":\n", stream);
+ 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);
}
projects / external / binutils.git / blobdiff