/* MI Command Set - output generating routines.
- Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "ui-out.h"
#include "mi-out.h"
-struct ui_out_data
- {
- int suppress_field_separator;
- int suppress_output;
- int mi_version;
- struct ui_file *buffer;
- };
-typedef struct ui_out_data mi_out_data;
-
-/* These are the MI output functions */
-
-static void mi_table_begin (struct ui_out *uiout, int nbrofcols,
- int nr_rows, const char *tblid);
-static void mi_table_body (struct ui_out *uiout);
-static void mi_table_end (struct ui_out *uiout);
-static void mi_table_header (struct ui_out *uiout, int width,
- enum ui_align alig, const char *col_name,
- const char *colhdr);
-static void mi_begin (struct ui_out *uiout, enum ui_out_type type,
- int level, const char *id);
-static void mi_end (struct ui_out *uiout, enum ui_out_type type, int level);
-static void mi_field_int (struct ui_out *uiout, int fldno, int width,
- enum ui_align alig, const char *fldname, int value);
-static void mi_field_skip (struct ui_out *uiout, int fldno, int width,
- enum ui_align alig, const char *fldname);
-static void mi_field_string (struct ui_out *uiout, int fldno, int width,
- enum ui_align alig, const char *fldname,
- const char *string);
-static void mi_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 mi_spaces (struct ui_out *uiout, int numspaces);
-static void mi_text (struct ui_out *uiout, const char *string);
-static void mi_message (struct ui_out *uiout, int verbosity,
- const char *format, va_list args)
- ATTR_FORMAT (printf, 3, 0);
-static void mi_wrap_hint (struct ui_out *uiout, char *identstring);
-static void mi_flush (struct ui_out *uiout);
-
-/* This is the MI ui-out implementation functions vector */
-
-/* FIXME: This can be initialized dynamically after default is set to
- handle initial output in main.c */
-
-struct ui_out_impl mi_ui_out_impl =
-{
- mi_table_begin,
- mi_table_body,
- mi_table_end,
- mi_table_header,
- mi_begin,
- mi_end,
- mi_field_int,
- mi_field_skip,
- mi_field_string,
- mi_field_fmt,
- mi_spaces,
- mi_text,
- mi_message,
- mi_wrap_hint,
- mi_flush,
- NULL,
- 1, /* Needs MI hacks. */
-};
-
-/* Prototypes for local functions */
-
-extern void _initialize_mi_out (void);
-static void field_separator (struct ui_out *uiout);
-static void mi_open (struct ui_out *uiout, const char *name,
- enum ui_out_type type);
-static void mi_close (struct ui_out *uiout, enum ui_out_type type);
-
-/* Mark beginning of a table */
+#include <vector>
+
+#include "interps.h"
+#include "ui-out.h"
+#include "utils.h"
+
+/* Mark beginning of a table. */
void
-mi_table_begin (struct ui_out *uiout,
- int nr_cols,
- int nr_rows,
- const char *tblid)
+mi_ui_out::do_table_begin (int nr_cols, int nr_rows,
+ const char *tblid)
{
- mi_out_data *data = ui_out_data (uiout);
- mi_open (uiout, tblid, ui_out_type_tuple);
- mi_field_int (uiout, -1/*fldno*/, -1/*width*/, -1/*alin*/,
- "nr_rows", nr_rows);
- mi_field_int (uiout, -1/*fldno*/, -1/*width*/, -1/*alin*/,
- "nr_cols", nr_cols);
- mi_open (uiout, "hdr", ui_out_type_list);
+ open (tblid, ui_out_type_tuple);
+ do_field_signed (-1, -1, ui_left, "nr_rows", nr_rows);
+ do_field_signed (-1, -1, ui_left, "nr_cols", nr_cols);
+ open ("hdr", ui_out_type_list);
}
-/* Mark beginning of a table body */
+/* Mark beginning of a table body. */
void
-mi_table_body (struct ui_out *uiout)
+mi_ui_out::do_table_body ()
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
/* close the table header line if there were any headers */
- mi_close (uiout, ui_out_type_list);
- mi_open (uiout, "body", ui_out_type_list);
+ close (ui_out_type_list);
+ open ("body", ui_out_type_list);
}
-/* Mark end of a table */
+/* Mark end of a table. */
void
-mi_table_end (struct ui_out *uiout)
+mi_ui_out::do_table_end ()
{
- mi_out_data *data = ui_out_data (uiout);
- data->suppress_output = 0;
- mi_close (uiout, ui_out_type_list); /* body */
- mi_close (uiout, ui_out_type_tuple);
+ close (ui_out_type_list); /* body */
+ close (ui_out_type_tuple);
}
-/* Specify table header */
+/* Specify table header. */
void
-mi_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
- const char *col_name,
- const char *colhdr)
+mi_ui_out::do_table_header (int width, ui_align alignment,
+ const std::string &col_name,
+ const std::string &col_hdr)
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
- mi_open (uiout, NULL, ui_out_type_tuple);
- mi_field_int (uiout, 0, 0, 0, "width", width);
- mi_field_int (uiout, 0, 0, 0, "alignment", alignment);
- mi_field_string (uiout, 0, 0, 0, "col_name", col_name);
- mi_field_string (uiout, 0, width, alignment, "colhdr", colhdr);
- mi_close (uiout, ui_out_type_tuple);
+ open (NULL, ui_out_type_tuple);
+ do_field_signed (0, 0, ui_center, "width", width);
+ do_field_signed (0, 0, ui_center, "alignment", alignment);
+ do_field_string (0, 0, ui_center, "col_name", col_name.c_str (),
+ ui_file_style ());
+ do_field_string (0, width, alignment, "colhdr", col_hdr.c_str (),
+ ui_file_style ());
+ close (ui_out_type_tuple);
}
-/* Mark beginning of a list */
+/* Mark beginning of a list. */
void
-mi_begin (struct ui_out *uiout,
- enum ui_out_type type,
- int level,
- const char *id)
+mi_ui_out::do_begin (ui_out_type type, const char *id)
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
- mi_open (uiout, id, type);
+ open (id, type);
}
-/* Mark end of a list */
+/* Mark end of a list. */
void
-mi_end (struct ui_out *uiout,
- enum ui_out_type type,
- int level)
+mi_ui_out::do_end (ui_out_type type)
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
- mi_close (uiout, type);
+ close (type);
}
-/* output an int field */
+/* Output an int field. */
void
-mi_field_int (struct ui_out *uiout, int fldno, int width,
- enum ui_align alignment, const char *fldname, int value)
+mi_ui_out::do_field_signed (int fldno, int width, ui_align alignment,
+ const char *fldname, LONGEST value)
{
- char buffer[20]; /* FIXME: how many chars long a %d can become? */
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
+ do_field_string (fldno, width, alignment, fldname, plongest (value),
+ ui_file_style ());
+}
+
+/* Output an unsigned field. */
- sprintf (buffer, "%d", value);
- mi_field_string (uiout, fldno, width, alignment, fldname, buffer);
+void
+mi_ui_out::do_field_unsigned (int fldno, int width, ui_align alignment,
+ const char *fldname, ULONGEST value)
+{
+ do_field_string (fldno, width, alignment, fldname, pulongest (value),
+ ui_file_style ());
}
-/* used to ommit a field */
+/* Used to omit a field. */
void
-mi_field_skip (struct ui_out *uiout, int fldno, int width,
- enum ui_align alignment, const char *fldname)
+mi_ui_out::do_field_skip (int fldno, int width, ui_align alignment,
+ const char *fldname)
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
- mi_field_string (uiout, fldno, width, alignment, fldname, "");
}
-/* other specific mi_field_* end up here so alignment and field
- separators are both handled by mi_field_string */
+/* Other specific mi_field_* end up here so alignment and field
+ separators are both handled by mi_field_string. */
void
-mi_field_string (struct ui_out *uiout,
- int fldno,
- int width,
- enum ui_align align,
- const char *fldname,
- const char *string)
+mi_ui_out::do_field_string (int fldno, int width, ui_align align,
+ const char *fldname, const char *string,
+ const ui_file_style &style)
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
- field_separator (uiout);
+ ui_file *stream = m_streams.back ();
+ field_separator ();
+
if (fldname)
- fprintf_unfiltered (data->buffer, "%s=", fldname);
- fprintf_unfiltered (data->buffer, "\"");
+ fprintf_unfiltered (stream, "%s=", fldname);
+ fprintf_unfiltered (stream, "\"");
if (string)
- fputstr_unfiltered (string, '"', data->buffer);
- fprintf_unfiltered (data->buffer, "\"");
+ fputstr_unfiltered (string, '"', stream);
+ fprintf_unfiltered (stream, "\"");
}
-/* This is the only field function that does not align */
-
void
-mi_field_fmt (struct ui_out *uiout, int fldno,
- int width, enum ui_align align,
- const char *fldname,
- const char *format,
- va_list args)
+mi_ui_out::do_field_fmt (int fldno, int width, ui_align align,
+ const char *fldname, const ui_file_style &style,
+ const char *format, va_list args)
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_output)
- return;
- field_separator (uiout);
+ ui_file *stream = m_streams.back ();
+ field_separator ();
+
if (fldname)
- fprintf_unfiltered (data->buffer, "%s=\"", fldname);
+ fprintf_unfiltered (stream, "%s=\"", fldname);
else
- fputs_unfiltered ("\"", data->buffer);
- vfprintf_unfiltered (data->buffer, format, args);
- fputs_unfiltered ("\"", data->buffer);
+ fputs_unfiltered ("\"", stream);
+ vfprintf_unfiltered (stream, format, args);
+ fputs_unfiltered ("\"", stream);
}
void
-mi_spaces (struct ui_out *uiout, int numspaces)
+mi_ui_out::do_spaces (int numspaces)
{
}
void
-mi_text (struct ui_out *uiout, const char *string)
+mi_ui_out::do_text (const char *string)
{
}
void
-mi_message (struct ui_out *uiout, int verbosity,
- const char *format,
- va_list args)
+mi_ui_out::do_message (const ui_file_style &style,
+ const char *format, va_list args)
{
}
void
-mi_wrap_hint (struct ui_out *uiout, char *identstring)
+mi_ui_out::do_wrap_hint (const char *identstring)
{
wrap_here (identstring);
}
void
-mi_flush (struct ui_out *uiout)
+mi_ui_out::do_flush ()
{
- mi_out_data *data = ui_out_data (uiout);
- gdb_flush (data->buffer);
-}
-/* local functions */
+ gdb_flush (m_streams.back ());
+}
-/* access to ui_out format private members */
+void
+mi_ui_out::do_redirect (ui_file *outstream)
+{
+ if (outstream != NULL)
+ m_streams.push_back (outstream);
+ else
+ m_streams.pop_back ();
+}
-static void
-field_separator (struct ui_out *uiout)
+void
+mi_ui_out::field_separator ()
{
- mi_out_data *data = ui_out_data (uiout);
- if (data->suppress_field_separator)
- data->suppress_field_separator = 0;
+ if (m_suppress_field_separator)
+ m_suppress_field_separator = false;
else
- fputc_unfiltered (',', data->buffer);
+ fputc_unfiltered (',', m_streams.back ());
}
-static void
-mi_open (struct ui_out *uiout,
- const char *name,
- enum ui_out_type type)
+void
+mi_ui_out::open (const char *name, ui_out_type type)
{
- mi_out_data *data = ui_out_data (uiout);
- field_separator (uiout);
- data->suppress_field_separator = 1;
+ ui_file *stream = m_streams.back ();
+
+ field_separator ();
+ m_suppress_field_separator = true;
+
if (name)
- fprintf_unfiltered (data->buffer, "%s=", name);
+ fprintf_unfiltered (stream, "%s=", name);
+
switch (type)
{
case ui_out_type_tuple:
- fputc_unfiltered ('{', data->buffer);
+ fputc_unfiltered ('{', stream);
break;
+
case ui_out_type_list:
- fputc_unfiltered ('[', data->buffer);
+ fputc_unfiltered ('[', stream);
break;
+
default:
internal_error (__FILE__, __LINE__, _("bad switch"));
}
}
-static void
-mi_close (struct ui_out *uiout,
- enum ui_out_type type)
+void
+mi_ui_out::close (ui_out_type type)
{
- mi_out_data *data = ui_out_data (uiout);
+ ui_file *stream = m_streams.back ();
+
switch (type)
{
case ui_out_type_tuple:
- fputc_unfiltered ('}', data->buffer);
+ fputc_unfiltered ('}', stream);
break;
+
case ui_out_type_list:
- fputc_unfiltered (']', data->buffer);
+ fputc_unfiltered (']', stream);
break;
+
default:
internal_error (__FILE__, __LINE__, _("bad switch"));
}
- data->suppress_field_separator = 0;
+
+ m_suppress_field_separator = false;
}
-/* add a string to the buffer */
+string_file *
+mi_ui_out::main_stream ()
+{
+ gdb_assert (m_streams.size () == 1);
+
+ return (string_file *) m_streams.back ();
+}
+
+/* Clear the buffer. */
void
-mi_out_buffered (struct ui_out *uiout, char *string)
+mi_ui_out::rewind ()
{
- mi_out_data *data = ui_out_data (uiout);
- fprintf_unfiltered (data->buffer, "%s", string);
+ main_stream ()->clear ();
}
-/* clear the buffer */
+/* Dump the buffer onto the specified stream. */
void
-mi_out_rewind (struct ui_out *uiout)
+mi_ui_out::put (ui_file *where)
+{
+ string_file *mi_stream = main_stream ();
+
+ where->write (mi_stream->data (), mi_stream->size ());
+ mi_stream->clear ();
+}
+
+/* Return the current MI version. */
+
+int
+mi_ui_out::version ()
{
- mi_out_data *data = ui_out_data (uiout);
- ui_file_rewind (data->buffer);
+ return m_mi_version;
}
-/* dump the buffer onto the specified stream */
+/* Constructor for an `mi_out_data' object. */
-static void
-do_write (void *data, const char *buffer, long length_buffer)
+mi_ui_out::mi_ui_out (int mi_version)
+: ui_out (mi_version >= 3
+ ? fix_multi_location_breakpoint_output : (ui_out_flag) 0),
+ m_suppress_field_separator (false),
+ m_suppress_output (false),
+ m_mi_version (mi_version)
{
- ui_file_write (data, buffer, length_buffer);
+ string_file *stream = new string_file ();
+ m_streams.push_back (stream);
}
-void
-mi_out_put (struct ui_out *uiout,
- struct ui_file *stream)
+mi_ui_out::~mi_ui_out ()
{
- mi_out_data *data = ui_out_data (uiout);
- ui_file_put (data->buffer, do_write, stream);
- ui_file_rewind (data->buffer);
}
-/* Current MI version. */
+/* See mi/mi-out.h. */
-int
-mi_version (struct ui_out *uiout)
+mi_ui_out *
+mi_out_new (const char *mi_version)
{
- mi_out_data *data = ui_out_data (uiout);
- return data->mi_version;
+ if (streq (mi_version, INTERP_MI3) || streq (mi_version, INTERP_MI))
+ return new mi_ui_out (3);
+
+ if (streq (mi_version, INTERP_MI2))
+ return new mi_ui_out (2);
+
+ if (streq (mi_version, INTERP_MI1))
+ return new mi_ui_out (1);
+
+ return nullptr;
}
-/* initalize private members at startup */
+/* Helper function to return the given UIOUT as an mi_ui_out. It is an error
+ to call this function with an ui_out that is not an MI. */
-struct ui_out *
-mi_out_new (int mi_version)
+static mi_ui_out *
+as_mi_ui_out (ui_out *uiout)
+{
+ mi_ui_out *mi_uiout = dynamic_cast<mi_ui_out *> (uiout);
+
+ gdb_assert (mi_uiout != NULL);
+
+ return mi_uiout;
+}
+
+int
+mi_version (ui_out *uiout)
+{
+ return as_mi_ui_out (uiout)->version ();
+}
+
+void
+mi_out_put (ui_out *uiout, struct ui_file *stream)
{
- int flags = 0;
- mi_out_data *data = XMALLOC (mi_out_data);
- data->suppress_field_separator = 0;
- data->suppress_output = 0;
- data->mi_version = mi_version;
- /* FIXME: This code should be using a ``string_file'' and not the
- TUI buffer hack. */
- data->buffer = mem_fileopen ();
- return ui_out_new (&mi_ui_out_impl, data, flags);
+ return as_mi_ui_out (uiout)->put (stream);
}
-/* standard gdb initialization hook */
void
-_initialize_mi_out (void)
+mi_out_rewind (ui_out *uiout)
{
- /* nothing happens here */
+ return as_mi_ui_out (uiout)->rewind ();
}
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