1 /* Output generating routines for GDB. 2 3 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2010, 4 2011 Free Software Foundation, Inc. 5 6 Contributed by Cygnus Solutions. 7 Written by Fernando Nasser for Cygnus. 8 9 This file is part of GDB. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 3 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 23 24 #ifndef UI_OUT_H 25 #define UI_OUT_H 1 26 27 /* The ui_out structure */ 28 29 struct ui_out; 30 struct ui_file; 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 extern void ui_out_table_header (struct ui_out *uiout, int width, 92 enum ui_align align, const char *col_name, 93 const char *colhdr); 94 95 extern void ui_out_table_body (struct ui_out *uiout); 96 97 extern struct cleanup *make_cleanup_ui_out_table_begin_end (struct ui_out *ui_out, 98 int nr_cols, 99 int nr_rows, 100 const char *tblid); 101 /* Compatibility wrappers. */ 102 103 extern struct cleanup *make_cleanup_ui_out_list_begin_end (struct ui_out *uiout, 104 const char *id); 105 106 extern struct cleanup *make_cleanup_ui_out_tuple_begin_end (struct ui_out *uiout, 107 const char *id); 108 109 extern void ui_out_field_int (struct ui_out *uiout, const char *fldname, 110 int value); 111 112 extern void ui_out_field_fmt_int (struct ui_out *uiout, int width, 113 enum ui_align align, const char *fldname, 114 int value); 115 116 extern void ui_out_field_core_addr (struct ui_out *uiout, const char *fldname, 117 struct gdbarch *gdbarch, CORE_ADDR address); 118 119 extern void ui_out_field_string (struct ui_out * uiout, const char *fldname, 120 const char *string); 121 122 extern void ui_out_field_stream (struct ui_out *uiout, const char *fldname, 123 struct ui_stream *buf); 124 125 extern void ui_out_field_fmt (struct ui_out *uiout, const char *fldname, 126 const char *format, ...) 127 ATTRIBUTE_PRINTF (3, 4); 128 129 extern void ui_out_field_skip (struct ui_out *uiout, const char *fldname); 130 131 extern void ui_out_spaces (struct ui_out *uiout, int numspaces); 132 133 extern void ui_out_text (struct ui_out *uiout, const char *string); 134 135 extern void ui_out_message (struct ui_out *uiout, int verbosity, 136 const char *format, ...) 137 ATTRIBUTE_PRINTF (3, 4); 138 139 extern struct ui_stream *ui_out_stream_new (struct ui_out *uiout); 140 141 extern void ui_out_stream_delete (struct ui_stream *buf); 142 143 struct cleanup *make_cleanup_ui_out_stream_delete (struct ui_stream *buf); 144 145 extern void ui_out_wrap_hint (struct ui_out *uiout, char *identstring); 146 147 extern void ui_out_flush (struct ui_out *uiout); 148 149 extern void ui_out_get_field_separator (struct ui_out *uiout); 150 151 extern int ui_out_set_flags (struct ui_out *uiout, int mask); 152 153 extern int ui_out_clear_flags (struct ui_out *uiout, int mask); 154 155 extern int ui_out_get_verblvl (struct ui_out *uiout); 156 157 extern int ui_out_test_flags (struct ui_out *uiout, int mask); 158 159 extern int ui_out_query_field (struct ui_out *uiout, int colno, 160 int *width, int *alignment, char **col_name); 161 162 #if 0 163 extern void ui_out_result_begin (struct ui_out *uiout, char *class); 164 165 extern void ui_out_result_end (struct ui_out *uiout); 166 167 extern void ui_out_info_begin (struct ui_out *uiout, char *class); 168 169 extern void ui_out_info_end (struct ui_out *uiout); 170 171 extern void ui_out_notify_begin (struct ui_out *uiout, char *class); 172 173 extern void ui_out_notify_end (struct ui_out *uiout); 174 175 extern void ui_out_error_begin (struct ui_out *uiout, char *class); 176 177 extern void ui_out_error_end (struct ui_out *uiout); 178 #endif 179 180 #if 0 181 extern void gdb_error (struct ui_out *uiout, int severity, char *format, ...); 182 183 extern void gdb_query (struct ui_out *uiout, int qflags, char *qprompt); 184 #endif 185 186 /* HACK: Code in GDB is currently checking to see the type of ui_out 187 builder when determining which output to produce. This function is 188 a hack to encapsulate that test. Once GDB manages to separate the 189 CLI/MI from the core of GDB the problem should just go away .... */ 190 191 extern int ui_out_is_mi_like_p (struct ui_out *uiout); 192 193 /* From here on we have things that are only needed by implementation 194 routines and main.c. We should pehaps have a separate file for that, 195 like a ui-out-impl.h file. */ 196 197 /* User Interface Output Implementation Function Table */ 198 199 /* Type definition of all implementation functions. */ 200 201 typedef void (table_begin_ftype) (struct ui_out * uiout, 202 int nbrofcols, int nr_rows, 203 const char *tblid); 204 typedef void (table_body_ftype) (struct ui_out * uiout); 205 typedef void (table_end_ftype) (struct ui_out * uiout); 206 typedef void (table_header_ftype) (struct ui_out * uiout, int width, 207 enum ui_align align, const char *col_name, 208 const char *colhdr); 209 /* Note: level 0 is the top-level so LEVEL is always greater than 210 zero. */ 211 typedef void (ui_out_begin_ftype) (struct ui_out *uiout, 212 enum ui_out_type type, 213 int level, const char *id); 214 typedef void (ui_out_end_ftype) (struct ui_out *uiout, 215 enum ui_out_type type, 216 int level); 217 typedef void (field_int_ftype) (struct ui_out * uiout, int fldno, int width, 218 enum ui_align align, 219 const char *fldname, int value); 220 typedef void (field_skip_ftype) (struct ui_out * uiout, int fldno, int width, 221 enum ui_align align, 222 const char *fldname); 223 typedef void (field_string_ftype) (struct ui_out * uiout, int fldno, int width, 224 enum ui_align align, 225 const char *fldname, 226 const char *string); 227 typedef void (field_fmt_ftype) (struct ui_out * uiout, int fldno, int width, 228 enum ui_align align, 229 const char *fldname, 230 const char *format, 231 va_list args) ATTRIBUTE_FPTR_PRINTF(6,0); 232 typedef void (spaces_ftype) (struct ui_out * uiout, int numspaces); 233 typedef void (text_ftype) (struct ui_out * uiout, 234 const char *string); 235 typedef void (message_ftype) (struct ui_out * uiout, int verbosity, 236 const char *format, va_list args) 237 ATTRIBUTE_FPTR_PRINTF(3,0); 238 typedef void (wrap_hint_ftype) (struct ui_out * uiout, char *identstring); 239 typedef void (flush_ftype) (struct ui_out * uiout); 240 typedef int (redirect_ftype) (struct ui_out * uiout, 241 struct ui_file * outstream); 242 243 /* ui-out-impl */ 244 245 /* IMPORTANT: If you change this structure, make sure to change the default 246 initialization in ui-out.c. */ 247 248 struct ui_out_impl 249 { 250 table_begin_ftype *table_begin; 251 table_body_ftype *table_body; 252 table_end_ftype *table_end; 253 table_header_ftype *table_header; 254 ui_out_begin_ftype *begin; 255 ui_out_end_ftype *end; 256 field_int_ftype *field_int; 257 field_skip_ftype *field_skip; 258 field_string_ftype *field_string; 259 field_fmt_ftype *field_fmt; 260 spaces_ftype *spaces; 261 text_ftype *text; 262 message_ftype *message; 263 wrap_hint_ftype *wrap_hint; 264 flush_ftype *flush; 265 redirect_ftype *redirect; 266 int is_mi_like_p; 267 }; 268 269 extern void *ui_out_data (struct ui_out *uiout); 270 271 extern void uo_field_string (struct ui_out *uiout, int fldno, int width, 272 enum ui_align align, const char *fldname, 273 const char *string); 274 275 /* Create a ui_out object */ 276 277 extern struct ui_out *ui_out_new (struct ui_out_impl *impl, 278 void *data, 279 int flags); 280 281 /* Redirect the ouptut of a ui_out object temporarily. */ 282 283 extern int ui_out_redirect (struct ui_out *uiout, struct ui_file *outstream); 284 285 #endif /* UI_OUT_H */ 286