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