xref: /openbsd-src/gnu/usr.bin/binutils/gdb/ui-out.h (revision b725ae7711052a2233e31a66fefb8a752c388d7a)
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 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 				    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 
128 extern void ui_out_field_skip (struct ui_out *uiout, const char *fldname);
129 
130 extern void ui_out_spaces (struct ui_out *uiout, int numspaces);
131 
132 extern void ui_out_text (struct ui_out *uiout, const char *string);
133 
134 extern void ui_out_message (struct ui_out *uiout, int verbosity,
135 			    const char *format, ...);
136 
137 extern struct ui_stream *ui_out_stream_new (struct ui_out *uiout);
138 
139 extern void ui_out_stream_delete (struct ui_stream *buf);
140 
141 struct cleanup *make_cleanup_ui_out_stream_delete (struct ui_stream *buf);
142 
143 extern void ui_out_wrap_hint (struct ui_out *uiout, char *identstring);
144 
145 extern void ui_out_flush (struct ui_out *uiout);
146 
147 extern void ui_out_get_field_separator (struct ui_out *uiout);
148 
149 extern int ui_out_set_flags (struct ui_out *uiout, int mask);
150 
151 extern int ui_out_clear_flags (struct ui_out *uiout, int mask);
152 
153 extern int ui_out_get_verblvl (struct ui_out *uiout);
154 
155 extern int ui_out_test_flags (struct ui_out *uiout, int mask);
156 
157 #if 0
158 extern void ui_out_result_begin (struct ui_out *uiout, char *class);
159 
160 extern void ui_out_result_end (struct ui_out *uiout);
161 
162 extern void ui_out_info_begin (struct ui_out *uiout, char *class);
163 
164 extern void ui_out_info_end (struct ui_out *uiout);
165 
166 extern void ui_out_notify_begin (struct ui_out *uiout, char *class);
167 
168 extern void ui_out_notify_end (struct ui_out *uiout);
169 
170 extern void ui_out_error_begin (struct ui_out *uiout, char *class);
171 
172 extern void ui_out_error_end (struct ui_out *uiout);
173 #endif
174 
175 #if 0
176 extern void gdb_error (struct ui_out *uiout, int severity, char *format, ...);
177 
178 extern void gdb_query (struct ui_out *uiout, int qflags, char *qprompt);
179 #endif
180 
181 /* HACK: Code in GDB is currently checking to see the type of ui_out
182    builder when determining which output to produce.  This function is
183    a hack to encapsulate that test.  Once GDB manages to separate the
184    CLI/MI from the core of GDB the problem should just go away ....  */
185 
186 extern int ui_out_is_mi_like_p (struct ui_out *uiout);
187 
188 /* From here on we have things that are only needed by implementation
189    routines and main.c.   We should pehaps have a separate file for that,
190    like a  ui-out-impl.h  file */
191 
192 /* User Interface Output Implementation Function Table */
193 
194 /* Type definition of all implementation functions. */
195 
196 typedef void (table_begin_ftype) (struct ui_out * uiout,
197 				  int nbrofcols, int nr_rows,
198 				  const char *tblid);
199 typedef void (table_body_ftype) (struct ui_out * uiout);
200 typedef void (table_end_ftype) (struct ui_out * uiout);
201 typedef void (table_header_ftype) (struct ui_out * uiout, int width,
202 				   enum ui_align align, const char *col_name,
203 				   const char *colhdr);
204 /* Note: level 0 is the top-level so LEVEL is always greater than
205    zero. */
206 typedef void (ui_out_begin_ftype) (struct ui_out *uiout,
207 				   enum ui_out_type type,
208 				   int level, const char *id);
209 typedef void (ui_out_end_ftype) (struct ui_out *uiout,
210 				 enum ui_out_type type,
211 				 int level);
212 typedef void (field_int_ftype) (struct ui_out * uiout, int fldno, int width,
213 				enum ui_align align,
214 				const char *fldname, int value);
215 typedef void (field_skip_ftype) (struct ui_out * uiout, int fldno, int width,
216 				 enum ui_align align,
217 				 const char *fldname);
218 typedef void (field_string_ftype) (struct ui_out * uiout, int fldno, int width,
219 				   enum ui_align align,
220 				   const char *fldname,
221 				   const char *string);
222 typedef void (field_fmt_ftype) (struct ui_out * uiout, int fldno, int width,
223 				enum ui_align align,
224 				const char *fldname,
225 				const char *format,
226 				va_list args);
227 typedef void (spaces_ftype) (struct ui_out * uiout, int numspaces);
228 typedef void (text_ftype) (struct ui_out * uiout,
229 			   const char *string);
230 typedef void (message_ftype) (struct ui_out * uiout, int verbosity,
231 			      const char *format, va_list args);
232 typedef void (wrap_hint_ftype) (struct ui_out * uiout, char *identstring);
233 typedef void (flush_ftype) (struct ui_out * uiout);
234 typedef int (redirect_ftype) (struct ui_out * uiout,
235 			      struct ui_file * outstream);
236 
237 /* ui-out-impl */
238 
239 /* IMPORTANT: If you change this structure, make sure to change the default
240    initialization in ui-out.c */
241 
242 struct ui_out_impl
243   {
244     table_begin_ftype *table_begin;
245     table_body_ftype *table_body;
246     table_end_ftype *table_end;
247     table_header_ftype *table_header;
248     ui_out_begin_ftype *begin;
249     ui_out_end_ftype *end;
250     field_int_ftype *field_int;
251     field_skip_ftype *field_skip;
252     field_string_ftype *field_string;
253     field_fmt_ftype *field_fmt;
254     spaces_ftype *spaces;
255     text_ftype *text;
256     message_ftype *message;
257     wrap_hint_ftype *wrap_hint;
258     flush_ftype *flush;
259     redirect_ftype *redirect;
260     int is_mi_like_p;
261   };
262 
263 extern struct ui_out_data *ui_out_data (struct ui_out *uiout);
264 
265 
266 /* Create a ui_out object */
267 
268 extern struct ui_out *ui_out_new (struct ui_out_impl *impl,
269 				  struct ui_out_data *data,
270 				  int flags);
271 
272 /* Redirect the ouptut of a ui_out object temporarily.  */
273 
274 extern int ui_out_redirect (struct ui_out *uiout, struct ui_file *outstream);
275 
276 #endif /* UI_OUT_H */
277