/* Output generating routines for GDB CLI.
- Copyright (C) 1999, 2000, 2002, 2003, 2005, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2016 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
Written by Fernando Nasser for Cygnus.
#include "defs.h"
#include "ui-out.h"
#include "cli-out.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
+#include "completer.h"
+#include "vec.h"
+#include "readline/readline.h"
-struct ui_out_data
- {
- struct ui_file *stream;
- struct ui_file *original_stream;
- int suppress_output;
- };
-typedef struct ui_out_data cli_out_data;
-
-/* These are the CLI output functions */
-
-static void cli_table_begin (struct ui_out *uiout, int nbrofcols,
- int nr_rows, const char *tblid);
-static void cli_table_body (struct ui_out *uiout);
-static void cli_table_end (struct ui_out *uiout);
-static void cli_table_header (struct ui_out *uiout, int width,
- enum ui_align alig, const char *col_name,
- const char *colhdr);
-static void cli_begin (struct ui_out *uiout, enum ui_out_type type,
- int level, const char *lstid);
-static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level);
-static void cli_field_int (struct ui_out *uiout, int fldno, int width,
- enum ui_align alig, const char *fldname, int value);
-static void cli_field_skip (struct ui_out *uiout, int fldno, int width,
- enum ui_align alig, const char *fldname);
-static void cli_field_string (struct ui_out *uiout, int fldno, int width,
- enum ui_align alig, const char *fldname,
- const char *string);
-static void cli_field_fmt (struct ui_out *uiout, int fldno,
- int width, enum ui_align align,
- const char *fldname, const char *format,
- va_list args) ATTR_FORMAT (printf, 6, 0);
-static void cli_spaces (struct ui_out *uiout, int numspaces);
-static void cli_text (struct ui_out *uiout, const char *string);
-static void cli_message (struct ui_out *uiout, int verbosity,
- const char *format, va_list args)
- ATTR_FORMAT (printf, 3, 0);
-static void cli_wrap_hint (struct ui_out *uiout, char *identstring);
-static void cli_flush (struct ui_out *uiout);
-static int cli_redirect (struct ui_out *uiout, struct ui_file *outstream);
-
-/* This is the CLI ui-out implementation functions vector */
-
-/* FIXME: This can be initialized dynamically after default is set to
- handle initial output in main.c */
-
-static struct ui_out_impl cli_ui_out_impl =
-{
- cli_table_begin,
- cli_table_body,
- cli_table_end,
- cli_table_header,
- cli_begin,
- cli_end,
- cli_field_int,
- cli_field_skip,
- cli_field_string,
- cli_field_fmt,
- cli_spaces,
- cli_text,
- cli_message,
- cli_wrap_hint,
- cli_flush,
- cli_redirect,
- 0, /* Does not need MI hacks (i.e. needs CLI hacks). */
-};
+typedef struct cli_ui_out_data cli_out_data;
/* Prototypes for local functions */
-extern void _initialize_cli_out (void);
+static void cli_text (struct ui_out *uiout, const char *string);
static void field_separator (void);
static void out_field_fmt (struct ui_out *uiout, int fldno,
const char *fldname,
- const char *format,...) ATTR_FORMAT (printf, 4, 5);
+ const char *format,...) ATTRIBUTE_PRINTF (4, 5);
-/* local variables */
+/* The destructor. */
-/* (none yet) */
+static void
+cli_uiout_dtor (struct ui_out *ui_out)
+{
+ cli_out_data *data = (cli_out_data *) ui_out_data (ui_out);
+
+ VEC_free (ui_filep, data->streams);
+ xfree (data);
+}
+
+/* These are the CLI output functions */
/* Mark beginning of a table */
-void
+static void
cli_table_begin (struct ui_out *uiout, int nbrofcols,
int nr_rows,
const char *tblid)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (nr_rows == 0)
data->suppress_output = 1;
else
/* Mark beginning of a table body */
-void
+static void
cli_table_body (struct ui_out *uiout)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
/* first, close the table header line */
/* Mark end of a table */
-void
+static void
cli_table_end (struct ui_out *uiout)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
data->suppress_output = 0;
}
/* Specify table header */
-void
+static void
cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
const char *col_name,
const char *colhdr)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
- cli_field_string (uiout, 0, width, alignment, 0, colhdr);
+
+ /* Always go through the function pointer (virtual function call).
+ We may have been extended. */
+ uo_field_string (uiout, 0, width, alignment, 0, colhdr);
}
/* Mark beginning of a list */
-void
+static void
cli_begin (struct ui_out *uiout,
enum ui_out_type type,
int level,
const char *id)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
}
/* Mark end of a list */
-void
+static void
cli_end (struct ui_out *uiout,
enum ui_out_type type,
int level)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
}
/* output an int field */
-void
+static void
cli_field_int (struct ui_out *uiout, int fldno, int width,
enum ui_align alignment,
const char *fldname, int value)
{
- char buffer[20]; /* FIXME: how many chars long a %d can become? */
+ char buffer[20]; /* FIXME: how many chars long a %d can become? */
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
- cli_out_data *data = ui_out_data (uiout);
if (data->suppress_output)
return;
- sprintf (buffer, "%d", value);
- cli_field_string (uiout, fldno, width, alignment, fldname, buffer);
+ xsnprintf (buffer, sizeof (buffer), "%d", value);
+
+ /* Always go through the function pointer (virtual function call).
+ We may have been extended. */
+ uo_field_string (uiout, fldno, width, alignment, fldname, buffer);
}
/* used to ommit a field */
-void
+static void
cli_field_skip (struct ui_out *uiout, int fldno, int width,
enum ui_align alignment,
const char *fldname)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
- cli_field_string (uiout, fldno, width, alignment, fldname, "");
+
+ /* Always go through the function pointer (virtual function call).
+ We may have been extended. */
+ uo_field_string (uiout, fldno, width, alignment, fldname, "");
}
/* other specific cli_field_* end up here so alignment and field
separators are both handled by cli_field_string */
-void
+static void
cli_field_string (struct ui_out *uiout,
int fldno,
int width,
{
int before = 0;
int after = 0;
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
- cli_out_data *data = ui_out_data (uiout);
if (data->suppress_output)
return;
/* This is the only field function that does not align. */
-void
+static void ATTRIBUTE_PRINTF (6, 0)
cli_field_fmt (struct ui_out *uiout, int fldno,
int width, enum ui_align align,
const char *fldname,
const char *format,
va_list args)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+ struct ui_file *stream;
+
if (data->suppress_output)
return;
- vfprintf_filtered (data->stream, format, args);
+ stream = VEC_last (ui_filep, data->streams);
+ vfprintf_filtered (stream, format, args);
if (align != ui_noalign)
field_separator ();
}
-void
+static void
cli_spaces (struct ui_out *uiout, int numspaces)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+ struct ui_file *stream;
+
if (data->suppress_output)
return;
- print_spaces_filtered (numspaces, data->stream);
+
+ stream = VEC_last (ui_filep, data->streams);
+ print_spaces_filtered (numspaces, stream);
}
-void
+static void
cli_text (struct ui_out *uiout, const char *string)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+ struct ui_file *stream;
+
if (data->suppress_output)
return;
- fputs_filtered (string, data->stream);
+
+ stream = VEC_last (ui_filep, data->streams);
+ fputs_filtered (string, stream);
}
-void
-cli_message (struct ui_out *uiout, int verbosity,
- const char *format, va_list args)
+static void ATTRIBUTE_PRINTF (2, 0)
+cli_message (struct ui_out *uiout, const char *format, va_list args)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
- if (ui_out_get_verblvl (uiout) >= verbosity)
- vfprintf_unfiltered (data->stream, format, args);
+
+ struct ui_file *stream = VEC_last (ui_filep, data->streams);
+ vfprintf_unfiltered (stream, format, args);
}
-void
-cli_wrap_hint (struct ui_out *uiout, char *identstring)
+static void
+cli_wrap_hint (struct ui_out *uiout, const char *identstring)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (data->suppress_output)
return;
wrap_here (identstring);
}
-void
+static void
cli_flush (struct ui_out *uiout)
{
- cli_out_data *data = ui_out_data (uiout);
- gdb_flush (data->stream);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+ struct ui_file *stream = VEC_last (ui_filep, data->streams);
+
+ gdb_flush (stream);
}
-int
+/* OUTSTREAM as non-NULL will push OUTSTREAM on the stack of output streams
+ and make it therefore active. OUTSTREAM as NULL will pop the last pushed
+ output stream; it is an internal error if it does not exist. */
+
+static int
cli_redirect (struct ui_out *uiout, struct ui_file *outstream)
{
- struct ui_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+
if (outstream != NULL)
- {
- data->original_stream = data->stream;
- data->stream = outstream;
- }
- else if (data->original_stream != NULL)
- {
- data->stream = data->original_stream;
- data->original_stream = NULL;
- }
+ VEC_safe_push (ui_filep, data->streams, outstream);
+ else
+ VEC_pop (ui_filep, data->streams);
return 0;
}
const char *fldname,
const char *format,...)
{
- cli_out_data *data = ui_out_data (uiout);
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+ struct ui_file *stream = VEC_last (ui_filep, data->streams);
va_list args;
va_start (args, format);
- vfprintf_filtered (data->stream, format, args);
+ vfprintf_filtered (stream, format, args);
va_end (args);
}
static void
field_separator (void)
{
- cli_out_data *data = ui_out_data (uiout);
- fputc_filtered (' ', data->stream);
+ cli_out_data *data = (cli_out_data *) ui_out_data (current_uiout);
+ struct ui_file *stream = VEC_last (ui_filep, data->streams);
+
+ fputc_filtered (' ', stream);
+}
+
+/* This is the CLI ui-out implementation functions vector */
+
+const struct ui_out_impl cli_ui_out_impl =
+{
+ cli_table_begin,
+ cli_table_body,
+ cli_table_end,
+ cli_table_header,
+ cli_begin,
+ cli_end,
+ cli_field_int,
+ cli_field_skip,
+ cli_field_string,
+ cli_field_fmt,
+ cli_spaces,
+ cli_text,
+ cli_message,
+ cli_wrap_hint,
+ cli_flush,
+ cli_redirect,
+ cli_uiout_dtor,
+ 0, /* Does not need MI hacks (i.e. needs CLI hacks). */
+};
+
+/* Constructor for a `cli_out_data' object. */
+
+void
+cli_out_data_ctor (cli_out_data *self, struct ui_file *stream)
+{
+ gdb_assert (stream != NULL);
+
+ self->streams = NULL;
+ VEC_safe_push (ui_filep, self->streams, stream);
+
+ self->suppress_output = 0;
}
-/* Initalize private members at startup. */
+/* Initialize private members at startup. */
struct ui_out *
cli_out_new (struct ui_file *stream)
{
int flags = ui_source_list;
+ cli_out_data *data = XNEW (cli_out_data);
- cli_out_data *data = XMALLOC (cli_out_data);
- data->stream = stream;
- data->original_stream = NULL;
- data->suppress_output = 0;
+ cli_out_data_ctor (data, stream);
return ui_out_new (&cli_ui_out_impl, data, flags);
}
struct ui_file *
cli_out_set_stream (struct ui_out *uiout, struct ui_file *stream)
{
- cli_out_data *data = ui_out_data (uiout);
- struct ui_file *old = data->stream;
- data->stream = stream;
+ cli_out_data *data = (cli_out_data *) ui_out_data (uiout);
+ struct ui_file *old;
+
+ old = VEC_pop (ui_filep, data->streams);
+ VEC_quick_push (ui_filep, data->streams, stream);
+
return old;
}
+\f
+/* CLI interface to display tab-completion matches. */
+
+/* CLI version of displayer.crlf. */
+
+static void
+cli_mld_crlf (const struct match_list_displayer *displayer)
+{
+ rl_crlf ();
+}
+
+/* CLI version of displayer.putch. */
+
+static void
+cli_mld_putch (const struct match_list_displayer *displayer, int ch)
+{
+ putc (ch, rl_outstream);
+}
+
+/* CLI version of displayer.puts. */
+
+static void
+cli_mld_puts (const struct match_list_displayer *displayer, const char *s)
+{
+ fputs (s, rl_outstream);
+}
+
+/* CLI version of displayer.flush. */
+
+static void
+cli_mld_flush (const struct match_list_displayer *displayer)
+{
+ fflush (rl_outstream);
+}
+
+EXTERN_C void _rl_erase_entire_line (void);
+
+/* CLI version of displayer.erase_entire_line. */
+
+static void
+cli_mld_erase_entire_line (const struct match_list_displayer *displayer)
+{
+ _rl_erase_entire_line ();
+}
+
+/* CLI version of displayer.beep. */
+
+static void
+cli_mld_beep (const struct match_list_displayer *displayer)
+{
+ rl_ding ();
+}
+
+/* CLI version of displayer.read_key. */
+
+static int
+cli_mld_read_key (const struct match_list_displayer *displayer)
+{
+ return rl_read_key ();
+}
+
+/* CLI version of rl_completion_display_matches_hook.
+ See gdb_display_match_list for a description of the arguments. */
-/* Standard gdb initialization hook. */
void
-_initialize_cli_out (void)
+cli_display_match_list (char **matches, int len, int max)
{
- /* nothing needs to be done */
+ struct match_list_displayer displayer;
+
+ rl_get_screen_size (&displayer.height, &displayer.width);
+ displayer.crlf = cli_mld_crlf;
+ displayer.putch = cli_mld_putch;
+ displayer.puts = cli_mld_puts;
+ displayer.flush = cli_mld_flush;
+ displayer.erase_entire_line = cli_mld_erase_entire_line;
+ displayer.beep = cli_mld_beep;
+ displayer.read_key = cli_mld_read_key;
+
+ gdb_display_match_list (matches, len, max, &displayer);
+ rl_forced_update_display ();
}
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