gdb/ui-out.h

   1 /* Output generating routines for GDB.
   2    Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions.
   4    Written by Fernando Nasser for Cygnus.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef UI_OUT_H
  24 #define UI_OUT_H 1
  25
  26 /* The ui_out structure */
  27
  28 struct ui_out;
  29 struct ui_out_data;
  30
  31
  32 /* the current ui_out */
  33
  34 /* FIXME: This should not be a global but something passed down from main.c
  35    or top.c */
  36 extern struct ui_out *uiout;
  37
  38 /* alignment enum */
  39 enum ui_align
  40   {
  41     ui_left = -1,
  42     ui_center,
  43     ui_right,
  44     ui_noalign
  45   };
  46
  47 /* flags enum */
  48 enum ui_flags
  49   {
  50     ui_from_tty = 1,
  51     ui_source_list = 2
  52   };
  53
  54
  55 /* The ui_out stream structure. */
  56 /* NOTE: cagney/2000-02-01: The ui_stream object can be subsumed by
  57    the more generic ui_file object.  */
  58
  59 struct ui_stream
  60   {
  61     struct ui_out *uiout;
  62     struct ui_file *stream;
  63   };
  64
  65
  66 /* Prototypes for ui-out API. */
  67
  68 /* A result is a recursive data structure consisting of lists and
  69    tupples. */
  70
  71 enum ui_out_type
  72   {
  73     ui_out_type_tupple,
  74     ui_out_type_list
  75   };
  76
  77 extern void ui_out_begin (struct ui_out *uiout,
  78                           enum ui_out_type level_type,
  79                           const char *id);
  80
  81 extern void ui_out_end (struct ui_out *uiout, enum ui_out_type type);
  82
  83 /* A table can be considered a special tupple/list combination with
  84    the implied structure: ``table = { hdr = { header, ... } , body = [ {
  85    field, ... }, ... ] }'' */
  86
  87 extern void ui_out_table_begin (struct ui_out *uiout, int nbrofcols,
  88                                 char *tblid);
  89
  90 extern void ui_out_table_header (struct ui_out *uiout, int width,
  91                                  enum ui_align align, char *colhdr);
  92
  93 extern void ui_out_table_body (struct ui_out *uiout);
  94
  95 extern void ui_out_table_end (struct ui_out *uiout);
  96
  97 /* Compatibility wrappers, new code should use ui_out_begin() and
  98    ui_out_end(). */
  99
 100 extern void ui_out_list_begin (struct ui_out *uiout, char *lstid);
 101
 102 extern void ui_out_list_end (struct ui_out *uiout);
 103
 104 extern struct cleanup *make_cleanup_ui_out_list_end (struct ui_out *uiout);
 105
 106 extern void ui_out_field_int (struct ui_out *uiout, char *fldname, int value);
 107
 108 extern void ui_out_field_core_addr (struct ui_out *uiout, char *fldname,
 109                                     CORE_ADDR address);
 110
 111 extern void ui_out_field_string (struct ui_out * uiout, char *fldname,
 112                                  const char *string);
 113
 114 extern void ui_out_field_stream (struct ui_out *uiout, char *fldname,
 115                                  struct ui_stream *buf);
 116
 117 extern void ui_out_field_fmt (struct ui_out *uiout, char *fldname,
 118                               char *format, ...);
 119
 120 extern void ui_out_field_skip (struct ui_out *uiout, char *fldname);
 121
 122 extern void ui_out_spaces (struct ui_out *uiout, int numspaces);
 123
 124 extern void ui_out_text (struct ui_out *uiout, char *string);
 125
 126 extern void ui_out_message (struct ui_out *uiout, int verbosity,
 127                             char *format, ...);
 128
 129 extern struct ui_stream *ui_out_stream_new (struct ui_out *uiout);
 130
 131 extern void ui_out_stream_delete (struct ui_stream *buf);
 132
 133 struct cleanup *make_cleanup_ui_out_stream_delete (struct ui_stream *buf);
 134
 135 extern void ui_out_wrap_hint (struct ui_out *uiout, char *identstring);
 136
 137 extern void ui_out_flush (struct ui_out *uiout);
 138
 139 extern void ui_out_get_field_separator (struct ui_out *uiout);
 140
 141 extern int ui_out_set_flags (struct ui_out *uiout, int mask);
 142
 143 extern int ui_out_clear_flags (struct ui_out *uiout, int mask);
 144
 145 extern int ui_out_get_verblvl (struct ui_out *uiout);
 146
 147 extern int ui_out_test_flags (struct ui_out *uiout, int mask);
 148
 149 #if 0
 150 extern void ui_out_result_begin (struct ui_out *uiout, char *class);
 151
 152 extern void ui_out_result_end (struct ui_out *uiout);
 153
 154 extern void ui_out_info_begin (struct ui_out *uiout, char *class);
 155
 156 extern void ui_out_info_end (struct ui_out *uiout);
 157
 158 extern void ui_out_notify_begin (struct ui_out *uiout, char *class);
 159
 160 extern void ui_out_notify_end (struct ui_out *uiout);
 161
 162 extern void ui_out_error_begin (struct ui_out *uiout, char *class);
 163
 164 extern void ui_out_error_end (struct ui_out *uiout);
 165 #endif
 166
 167 #if 0
 168 extern void gdb_error (struct ui_out *uiout, int severity, char *format, ...);
 169
 170 extern void gdb_query (struct ui_out *uiout, int qflags, char *qprompt);
 171 #endif
 172
 173 /* From here on we have things that are only needed by implementation
 174    routines and main.c.   We should pehaps have a separate file for that,
 175    like a  ui-out-impl.h  file */
 176
 177 /* User Interface Output Implementation Function Table */
 178
 179 /* Type definition of all implementation functions. */
 180
 181 typedef void (table_begin_ftype) (struct ui_out * uiout,
 182                                   int nbrofcols, char *tblid);
 183 typedef void (table_body_ftype) (struct ui_out * uiout);
 184 typedef void (table_end_ftype) (struct ui_out * uiout);
 185 typedef void (table_header_ftype) (struct ui_out * uiout, int width,
 186                                    enum ui_align align, char *colhdr);
 187 /* Note: level 0 is the top-level so LEVEL is always greater than
 188    zero. */
 189 typedef void (ui_out_begin_ftype) (struct ui_out *uiout,
 190                                    enum ui_out_type type,
 191                                    int level, const char *id);
 192 typedef void (ui_out_end_ftype) (struct ui_out *uiout,
 193                                  enum ui_out_type type,
 194                                  int level);
 195 typedef void (field_int_ftype) (struct ui_out * uiout, int fldno, int width,
 196                              enum ui_align align, char *fldname, int value);
 197 typedef void (field_skip_ftype) (struct ui_out * uiout, int fldno, int width,
 198                                  enum ui_align align, char *fldname);
 199 typedef void (field_string_ftype) (struct ui_out * uiout, int fldno, int width,
 200                                    enum ui_align align, char *fldname,
 201                                    const char *string);
 202 typedef void (field_fmt_ftype) (struct ui_out * uiout, int fldno, int width,
 203                                 enum ui_align align, char *fldname,
 204                                 char *format, va_list args);
 205 typedef void (spaces_ftype) (struct ui_out * uiout, int numspaces);
 206 typedef void (text_ftype) (struct ui_out * uiout, char *string);
 207 typedef void (message_ftype) (struct ui_out * uiout, int verbosity,
 208                               char *format, va_list args);
 209 typedef void (wrap_hint_ftype) (struct ui_out * uiout, char *identstring);
 210 typedef void (flush_ftype) (struct ui_out * uiout);
 211
 212 /* ui-out-impl */
 213
 214 /* IMPORTANT: If you change this structure, make sure to change the default
 215    initialization in ui-out.c */
 216
 217 struct ui_out_impl
 218   {
 219     table_begin_ftype *table_begin;
 220     table_body_ftype *table_body;
 221     table_end_ftype *table_end;
 222     table_header_ftype *table_header;
 223     ui_out_begin_ftype *begin;
 224     ui_out_end_ftype *end;
 225     field_int_ftype *field_int;
 226     field_skip_ftype *field_skip;
 227     field_string_ftype *field_string;
 228     field_fmt_ftype *field_fmt;
 229     spaces_ftype *spaces;
 230     text_ftype *text;
 231     message_ftype *message;
 232     wrap_hint_ftype *wrap_hint;
 233     flush_ftype *flush;
 234   };
 235
 236 extern struct ui_out_data *ui_out_data (struct ui_out *uiout);
 237
 238
 239 /* Create a ui_out object */
 240
 241 extern struct ui_out *ui_out_new (struct ui_out_impl *impl,
 242                                   struct ui_out_data *data,
 243                                   int flags);
 244
 245 #endif /* UI_OUT_H */