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-rw-r--r--gdb/mi/mi-out.c401
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diff --git a/gdb/mi/mi-out.c b/gdb/mi/mi-out.c
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+/* MI Command Set - output generating routines.
+ Copyright (C) 2000, Free Software Foundation, Inc.
+ Contributed by Cygnus Solutions.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "ui-out.h"
+#include "mi-out.h"
+
+/* Convenience macro for allocting typesafe memory. */
+
+#ifndef XMALLOC
+#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
+#endif
+
+struct ui_out_data
+ {
+ int supress_field_separator;
+ int first_header;
+ struct ui_file *buffer;
+ };
+
+/* These are the MI output functions */
+
+static void mi_table_begin (struct ui_out *uiout, int nbrofcols, 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, char *colhdr);
+static void mi_list_begin (struct ui_out *uiout, int list_flag, char *lstid);
+static void mi_list_end (struct ui_out *uiout, int list_flag);
+static void mi_field_int (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alig, char *fldname, int value);
+static void mi_field_skip (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alig, char *fldname);
+static void mi_field_string (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alig, char *fldname,
+ const char *string);
+static void mi_field_fmt (struct ui_out *uiout, int fldno,
+ int width, enum ui_align align,
+ char *fldname, char *format, va_list args);
+static void mi_spaces (struct ui_out *uiout, int numspaces);
+static void mi_text (struct ui_out *uiout, char *string);
+static void mi_message (struct ui_out *uiout, int verbosity, char *format,
+ va_list args);
+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_list_begin,
+ mi_list_end,
+ mi_field_int,
+ mi_field_skip,
+ mi_field_string,
+ mi_field_fmt,
+ mi_spaces,
+ mi_text,
+ mi_message,
+ mi_wrap_hint,
+ mi_flush
+};
+
+/* Prototypes for local functions */
+
+extern void _initialize_mi_out PARAMS ((void));
+static void field_separator (struct ui_out *uiout);
+static void list_open (struct ui_out *uiout);
+static void list_close (struct ui_out *uiout);
+
+static void out_field_fmt (struct ui_out *uiout, int fldno, char *fldname,
+ char *format,...);
+
+/* Mark beginning of a table */
+
+void
+mi_table_begin (uiout, nbrofcols, tblid)
+ struct ui_out *uiout;
+ int nbrofcols;
+ char *tblid;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ field_separator (uiout);
+ if (tblid)
+ fprintf_unfiltered (data->buffer, "%s=", tblid);
+ list_open (uiout);
+ data->first_header = 0;
+ data->supress_field_separator = 1;
+}
+
+/* Mark beginning of a table body */
+
+void
+mi_table_body (uiout)
+ struct ui_out *uiout;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ /* close the table header line if there were any headers */
+ if (data->first_header)
+ list_close (uiout);
+}
+
+/* Mark end of a table */
+
+void
+mi_table_end (uiout)
+ struct ui_out *uiout;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ list_close (uiout);
+ /* If table was empty this flag did not get reset yet */
+ data->supress_field_separator = 0;
+}
+
+/* Specify table header */
+
+void
+mi_table_header (uiout, width, alignment, colhdr)
+ struct ui_out *uiout;
+ int width;
+ int alignment;
+ char *colhdr;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (!data->first_header++)
+ {
+ fputs_unfiltered ("hdr=", data->buffer);
+ list_open (uiout);
+ }
+ mi_field_string (uiout, 0, width, alignment, 0, colhdr);
+}
+
+/* Mark beginning of a list */
+
+void
+mi_list_begin (uiout, list_flag, lstid)
+ struct ui_out *uiout;
+ int list_flag;
+ char *lstid;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ field_separator (uiout);
+ data->supress_field_separator = 1;
+ if (lstid)
+ fprintf_unfiltered (data->buffer, "%s=", lstid);
+ list_open (uiout);
+}
+
+/* Mark end of a list */
+
+void
+mi_list_end (uiout, list_flag)
+ struct ui_out *uiout;
+ int list_flag;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ list_close (uiout);
+ /* If list was empty this flag did not get reset yet */
+ data->supress_field_separator = 0;
+}
+
+/* output an int field */
+
+void
+mi_field_int (uiout, fldno, width, alignment, fldname, value)
+ struct ui_out *uiout;
+ int fldno;
+ int width;
+ int alignment;
+ char *fldname;
+ int value;
+{
+ char buffer[20]; /* FIXME: how many chars long a %d can become? */
+
+ sprintf (buffer, "%d", value);
+ mi_field_string (uiout, fldno, width, alignment, fldname, buffer);
+}
+
+/* used to ommit a field */
+
+void
+mi_field_skip (uiout, fldno, width, alignment, fldname)
+ struct ui_out *uiout;
+ int fldno;
+ int width;
+ int alignment;
+ char *fldname;
+{
+ 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 */
+
+void
+mi_field_string (struct ui_out *uiout,
+ int fldno,
+ int width,
+ int align,
+ char *fldname,
+ const char *string)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ field_separator (uiout);
+ if (fldname)
+ fprintf_unfiltered (data->buffer, "%s=", fldname);
+ fprintf_unfiltered (data->buffer, "\"");
+ if (string)
+ fputstr_unfiltered (string, '"', data->buffer);
+ fprintf_unfiltered (data->buffer, "\"");
+}
+
+/* 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,
+ char *fldname, char *format, va_list args)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ field_separator (uiout);
+ if (fldname)
+ fprintf_unfiltered (data->buffer, "%s=\"", fldname);
+ else
+ fputs_unfiltered ("\"", data->buffer);
+ vfprintf_unfiltered (data->buffer, format, args);
+ fputs_unfiltered ("\"", data->buffer);
+}
+
+void
+mi_spaces (uiout, numspaces)
+ struct ui_out *uiout;
+ int numspaces;
+{
+}
+
+void
+mi_text (uiout, string)
+ struct ui_out *uiout;
+ char *string;
+{
+}
+
+void
+mi_message (struct ui_out *uiout, int verbosity, char *format, va_list args)
+{
+}
+
+void
+mi_wrap_hint (uiout, identstring)
+ struct ui_out *uiout;
+ char *identstring;
+{
+ wrap_here (identstring);
+}
+
+void
+mi_flush (uiout)
+ struct ui_out *uiout;
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ gdb_flush (data->buffer);
+}
+
+/* local functions */
+
+/* Like mi_field_fmt, but takes a variable number of args
+ and makes a va_list and does not insert a separator */
+
+/* VARARGS */
+static void
+out_field_fmt (struct ui_out *uiout, int fldno, char *fldname,
+ char *format,...)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ va_list args;
+
+ field_separator (uiout);
+ if (fldname)
+ fprintf_unfiltered (data->buffer, "%s=\"", fldname);
+ else
+ fputs_unfiltered ("\"", data->buffer);
+
+ va_start (args, format);
+ vfprintf_unfiltered (data->buffer, format, args);
+
+ fputs_unfiltered ("\"", data->buffer);
+
+ va_end (args);
+}
+
+/* access to ui_out format private members */
+
+static void
+field_separator (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->supress_field_separator)
+ data->supress_field_separator = 0;
+ else
+ fputc_unfiltered (',', data->buffer);
+}
+
+static void
+list_open (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ fputc_unfiltered ('{', data->buffer);
+}
+
+static void
+list_close (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ fputc_unfiltered ('}', data->buffer);
+}
+
+/* add a string to the buffer */
+
+void
+mi_out_buffered (struct ui_out *uiout, char *string)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ fprintf_unfiltered (data->buffer, "%s", string);
+}
+
+/* clear the buffer */
+
+void
+mi_out_rewind (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ ui_file_rewind (data->buffer);
+}
+
+/* dump the buffer onto the specified stream */
+
+static void
+do_write (void *data, const char *buffer, long length_buffer)
+{
+ ui_file_write (data, buffer, length_buffer);
+}
+
+void
+mi_out_put (struct ui_out *uiout,
+ struct ui_file *stream)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ ui_file_put (data->buffer, do_write, stream);
+ ui_file_rewind (data->buffer);
+}
+
+/* initalize private members at startup */
+
+struct ui_out *
+mi_out_new (void)
+{
+ int flags = 0;
+ struct ui_out_data *data = XMALLOC (struct ui_out_data);
+ data->supress_field_separator = 0;
+ /* 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);
+}
+
+/* standard gdb initialization hook */
+void
+_initialize_mi_out ()
+{
+ /* nothing happens here */
+}
+
+/* Local variables: */
+/* change-log-default-name: "ChangeLog-mi" */
+/* End: */