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    tuples. */
  70
  71 enum ui_out_type
  72   {
  73     ui_out_type_tuple,
  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 extern struct cleanup *ui_out_begin_cleanup_end (struct ui_out *uiout,
  84                                                  enum ui_out_type level_type,
  85                                                  const char *id);
  86
  87 /* A table can be considered a special tuple/list combination with the
  88    implied structure: ``table = { hdr = { header, ... } , body = [ {
  89    field, ... }, ... ] }''. If NR_ROWS is negative then there is at
  90    least one row. */
  91
  92 extern void ui_out_table_begin (struct ui_out *uiout, int nbrofcols,
  93                                 int nr_rows, const char *tblid);
  94
  95 extern void ui_out_table_header (struct ui_out *uiout, int width,
  96                                  enum ui_align align, const char *col_name,
  97                                  const char *colhdr);
  98
  99 extern void ui_out_table_body (struct ui_out *uiout);
 100
 101 extern void ui_out_table_end (struct ui_out *uiout);
 102
 103 /* Compatibility wrappers.  */
 104
 105 extern void ui_out_list_begin (struct ui_out *uiout, const char *id);
 106
 107 extern void ui_out_list_end (struct ui_out *uiout);
 108
 109 extern struct cleanup *make_cleanup_ui_out_list_begin_end (struct ui_out *uiout,
 110                                                            const char *id);
 111
 112 extern void ui_out_tuple_begin (struct ui_out *uiout, const char *id);
 113
 114 extern void ui_out_tuple_end (struct ui_out *uiout);
 115
 116 extern struct cleanup *make_cleanup_ui_out_tuple_begin_end (struct ui_out *uiout,
 117                                                             const char *id);
 118
 119 extern void ui_out_field_int (struct ui_out *uiout, const char *fldname,
 120                               int value);
 121
 122 extern void ui_out_field_fmt_int (struct ui_out *uiout, int width,
 123                                   enum ui_align align, const char *fldname,
 124                                   int value);
 125
 126 extern void ui_out_field_core_addr (struct ui_out *uiout, const char *fldname,
 127                                     CORE_ADDR address);
 128
 129 extern void ui_out_field_string (struct ui_out * uiout, const char *fldname,
 130                                  const char *string);
 131
 132 extern void ui_out_field_stream (struct ui_out *uiout, const char *fldname,
 133                                  struct ui_stream *buf);
 134
 135 extern void ui_out_field_fmt (struct ui_out *uiout, const char *fldname,
 136                               const char *format, ...);
 137
 138 extern void ui_out_field_skip (struct ui_out *uiout, const char *fldname);
 139
 140 extern void ui_out_spaces (struct ui_out *uiout, int numspaces);
 141
 142 extern void ui_out_text (struct ui_out *uiout, const char *string);
 143
 144 extern void ui_out_message (struct ui_out *uiout, int verbosity,
 145                             const char *format, ...);
 146
 147 extern struct ui_stream *ui_out_stream_new (struct ui_out *uiout);
 148
 149 extern void ui_out_stream_delete (struct ui_stream *buf);
 150
 151 struct cleanup *make_cleanup_ui_out_stream_delete (struct ui_stream *buf);
 152
 153 extern void ui_out_wrap_hint (struct ui_out *uiout, char *identstring);
 154
 155 extern void ui_out_flush (struct ui_out *uiout);
 156
 157 extern void ui_out_get_field_separator (struct ui_out *uiout);
 158
 159 extern int ui_out_set_flags (struct ui_out *uiout, int mask);
 160
 161 extern int ui_out_clear_flags (struct ui_out *uiout, int mask);
 162
 163 extern int ui_out_get_verblvl (struct ui_out *uiout);
 164
 165 extern int ui_out_test_flags (struct ui_out *uiout, int mask);
 166
 167 #if 0
 168 extern void ui_out_result_begin (struct ui_out *uiout, char *class);
 169
 170 extern void ui_out_result_end (struct ui_out *uiout);
 171
 172 extern void ui_out_info_begin (struct ui_out *uiout, char *class);
 173
 174 extern void ui_out_info_end (struct ui_out *uiout);
 175
 176 extern void ui_out_notify_begin (struct ui_out *uiout, char *class);
 177
 178 extern void ui_out_notify_end (struct ui_out *uiout);
 179
 180 extern void ui_out_error_begin (struct ui_out *uiout, char *class);
 181
 182 extern void ui_out_error_end (struct ui_out *uiout);
 183 #endif
 184
 185 #if 0
 186 extern void gdb_error (struct ui_out *uiout, int severity, char *format, ...);
 187
 188 extern void gdb_query (struct ui_out *uiout, int qflags, char *qprompt);
 189 #endif
 190
 191 /* HACK: Code in GDB is currently checking to see the type of ui_out
 192    builder when determining which output to produce.  This function is
 193    a hack to encapsulate that test.  Once GDB manages to separate the
 194    CLI/MI from the core of GDB the problem should just go away ....  */
 195
 196 extern int ui_out_is_mi_like_p (struct ui_out *uiout);
 197
 198 /* From here on we have things that are only needed by implementation
 199    routines and main.c.   We should pehaps have a separate file for that,
 200    like a  ui-out-impl.h  file */
 201
 202 /* User Interface Output Implementation Function Table */
 203
 204 /* Type definition of all implementation functions. */
 205
 206 typedef void (table_begin_ftype) (struct ui_out * uiout,
 207                                   int nbrofcols, int nr_rows,
 208                                   const char *tblid);
 209 typedef void (table_body_ftype) (struct ui_out * uiout);
 210 typedef void (table_end_ftype) (struct ui_out * uiout);
 211 typedef void (table_header_ftype) (struct ui_out * uiout, int width,
 212                                    enum ui_align align, const char *col_name,
 213                                    const char *colhdr);
 214 /* Note: level 0 is the top-level so LEVEL is always greater than
 215    zero. */
 216 typedef void (ui_out_begin_ftype) (struct ui_out *uiout,
 217                                    enum ui_out_type type,
 218                                    int level, const char *id);
 219 typedef void (ui_out_end_ftype) (struct ui_out *uiout,
 220                                  enum ui_out_type type,
 221                                  int level);
 222 typedef void (field_int_ftype) (struct ui_out * uiout, int fldno, int width,
 223                                 enum ui_align align,
 224                                 const char *fldname, int value);
 225 typedef void (field_skip_ftype) (struct ui_out * uiout, int fldno, int width,
 226                                  enum ui_align align,
 227                                  const char *fldname);
 228 typedef void (field_string_ftype) (struct ui_out * uiout, int fldno, int width,
 229                                    enum ui_align align,
 230                                    const char *fldname,
 231                                    const char *string);
 232 typedef void (field_fmt_ftype) (struct ui_out * uiout, int fldno, int width,
 233                                 enum ui_align align,
 234                                 const char *fldname,
 235                                 const char *format,
 236                                 va_list args);
 237 typedef void (spaces_ftype) (struct ui_out * uiout, int numspaces);
 238 typedef void (text_ftype) (struct ui_out * uiout,
 239                            const char *string);
 240 typedef void (message_ftype) (struct ui_out * uiout, int verbosity,
 241                               const char *format, va_list args);
 242 typedef void (wrap_hint_ftype) (struct ui_out * uiout, char *identstring);
 243 typedef void (flush_ftype) (struct ui_out * uiout);
 244
 245 /* ui-out-impl */
 246
 247 /* IMPORTANT: If you change this structure, make sure to change the default
 248    initialization in ui-out.c */
 249
 250 struct ui_out_impl
 251   {
 252     table_begin_ftype *table_begin;
 253     table_body_ftype *table_body;
 254     table_end_ftype *table_end;
 255     table_header_ftype *table_header;
 256     ui_out_begin_ftype *begin;
 257     ui_out_end_ftype *end;
 258     field_int_ftype *field_int;
 259     field_skip_ftype *field_skip;
 260     field_string_ftype *field_string;
 261     field_fmt_ftype *field_fmt;
 262     spaces_ftype *spaces;
 263     text_ftype *text;
 264     message_ftype *message;
 265     wrap_hint_ftype *wrap_hint;
 266     flush_ftype *flush;
 267     int is_mi_like_p;
 268   };
 269
 270 extern struct ui_out_data *ui_out_data (struct ui_out *uiout);
 271
 272
 273 /* Create a ui_out object */
 274
 275 extern struct ui_out *ui_out_new (struct ui_out_impl *impl,
 276                                   struct ui_out_data *data,
 277                                   int flags);
 278
 279 #endif /* UI_OUT_H */