#include "gdbsupport/version.h"
#include "serial.h"
#include "main.h"
-#include "event-loop.h"
+#include "gdbsupport/event-loop.h"
#include "gdbthread.h"
#include "extension.h"
#include "interps.h"
#include "filenames.h"
#include "frame.h"
#include "gdbsupport/buffer.h"
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
#include "gdbsupport/scope-exit.h"
#include "gdbarch.h"
#include "gdbsupport/pathstuff.h"
extern void initialize_all_files (void);
+static bool history_filename_empty (void);
+
#define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt
#define PREFIX(X) the_prompts.prompt_stack[the_prompts.top + X].prefix
#define SUFFIX(X) the_prompts.prompt_stack[the_prompts.top + X].suffix
whatever) can issue its own commands and also send along commands
from the user, and have the user not notice that the user interface
is issuing commands too. */
-int server_command;
+bool server_command;
/* Timeout limit for response from target. */
/* static */ bool history_expansion_p;
+/* Should we write out the command history on exit? In order to write out
+ the history both this flag must be true, and the history_filename
+ variable must be set to something sensible. */
static bool write_history_p;
+
+/* Implement 'show history save'. */
static void
show_write_history_p (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
- value);
+ if (!write_history_p || !history_filename_empty ())
+ fprintf_filtered (file, _("Saving of the history record on exit is %s.\n"),
+ value);
+ else
+ fprintf_filtered (file, _("Saving of the history is disabled due to "
+ "the value of 'history filename'.\n"));
}
/* The variable associated with the "set/show history size"
value);
}
+/* The name of the file in which GDB history will be written. If this is
+ set to NULL, of the empty string then history will not be written. */
static char *history_filename;
+
+/* Return true if the history_filename is either NULL or the empty string,
+ indicating that we should not try to read, nor write out the history. */
+static bool
+history_filename_empty (void)
+{
+ return (history_filename == nullptr || *history_filename == '\0');
+}
+
+/* Implement 'show history filename'. */
static void
show_history_filename (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
- fprintf_filtered (file, _("The filename in which to record "
- "the command history is \"%ps\".\n"),
- styled_string (file_name_style.style (), value));
+ if (!history_filename_empty ())
+ fprintf_filtered (file, _("The filename in which to record "
+ "the command history is \"%ps\".\n"),
+ styled_string (file_name_style.style (), value));
+ else
+ fprintf_filtered (file, _("There is no filename currently set for "
+ "recording the command history in.\n"));
}
/* This is like readline(), but it has some gdb-specific behavior.
"));
#endif
+#if HAVE_LIBDEBUGINFOD
+ fprintf_filtered (stream, _("\
+ --with-debuginfod\n\
+"));
+#else
+ fprintf_filtered (stream, _("\
+ --without-debuginfod\n\
+"));
+#endif
+
#if HAVE_GUILE
fprintf_filtered (stream, _("\
--with-guile\n\
{
if (write_history_p && history_filename)
{
- struct ui *ui;
int save = 0;
/* History is currently shared between all UIs. If there's
any UI with a terminal, save history. */
- ALL_UIS (ui)
+ for (ui *ui : all_uis ())
{
if (input_interactive_p (ui))
{
set_readline_history_size (history_size_setshow_var);
}
-void
-set_history (const char *args, int from_tty)
-{
- printf_unfiltered (_("\"set history\" must be followed "
- "by the name of a history subcommand.\n"));
- help_list (sethistlist, "set history ", all_commands, gdb_stdout);
-}
-
-void
-show_history (const char *args, int from_tty)
-{
- cmd_show_list (showhistlist, from_tty, "");
-}
-
bool info_verbose = false; /* Default verbose msgs off. */
/* Called by do_set_command. An elaborate joke. */
set_readline_history_size (history_size_setshow_var);
tmpenv = getenv ("GDBHISTFILE");
- if (tmpenv)
+ if (tmpenv != nullptr)
history_filename = xstrdup (tmpenv);
- else if (!history_filename)
+ else if (history_filename == nullptr)
{
/* We include the current directory so that if the user changes
directories the file written will be the same as the one
gdb::unique_xmalloc_ptr<char> temp (gdb_abspath (fname));
history_filename = temp.release ();
}
- read_history (history_filename);
+
+ if (!history_filename_empty ())
+ read_history (history_filename);
}
static void
gdb_datadir.c_str ()));
}
+/* Implement 'set history filename'. */
+
static void
set_history_filename (const char *args,
int from_tty, struct cmd_list_element *c)
/* We include the current directory so that if the user changes
directories the file written will be the same as the one
that was read. */
- if (!IS_ABSOLUTE_PATH (history_filename))
+ if (!history_filename_empty () && !IS_ABSOLUTE_PATH (history_filename))
{
gdb::unique_xmalloc_ptr<char> temp (gdb_abspath (history_filename));
show_history_remove_duplicates,
&sethistlist, &showhistlist);
- add_setshow_filename_cmd ("filename", no_class, &history_filename, _("\
+ add_setshow_optional_filename_cmd ("filename", no_class, &history_filename, _("\
Set the filename in which to record the command history."), _("\
Show the filename in which to record the command history."), _("\
(the list of previous commands of which a record is kept)."),
projects / deliverable / binutils-gdb.git / blobdiff