1 /* Support for printing Fortran types for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988-1989, 1991, 1993-1996, 1998, 2000-2003,
4 2006-2012 Free Software Foundation, Inc.
6 Contributed by Motorola. Adapted from the C version by Farooq Butt
7 (fmbutt@engage.sps.mot.com).
9 This file is part of GDB.
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.
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.
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/>. */
25 #include "gdb_obstack.h"
29 #include "expression.h"
35 #include "gdb_string.h"
38 #if 0 /* Currently unused. */
39 static void f_type_print_args (struct type
*, struct ui_file
*);
42 static void f_type_print_varspec_suffix (struct type
*, struct ui_file
*, int,
45 void f_type_print_varspec_prefix (struct type
*, struct ui_file
*,
48 void f_type_print_base (struct type
*, struct ui_file
*, int, int);
51 /* LEVEL is the depth to indent lines by. */
54 f_print_type (struct type
*type
, const char *varstring
, struct ui_file
*stream
,
60 f_type_print_base (type
, stream
, show
, level
);
61 code
= TYPE_CODE (type
);
62 if ((varstring
!= NULL
&& *varstring
!= '\0')
63 /* Need a space if going to print stars or brackets;
64 but not if we will print just a type name. */
65 || ((show
> 0 || TYPE_NAME (type
) == 0)
66 && (code
== TYPE_CODE_PTR
|| code
== TYPE_CODE_FUNC
67 || code
== TYPE_CODE_METHOD
68 || code
== TYPE_CODE_ARRAY
69 || code
== TYPE_CODE_REF
)))
70 fputs_filtered (" ", stream
);
71 f_type_print_varspec_prefix (type
, stream
, show
, 0);
73 if (varstring
!= NULL
)
75 fputs_filtered (varstring
, stream
);
77 /* For demangled function names, we have the arglist as part of the name,
78 so don't print an additional pair of ()'s. */
80 demangled_args
= varstring
[strlen (varstring
) - 1] == ')';
81 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
, 0);
85 /* Print any asterisks or open-parentheses needed before the
86 variable name (to describe its type).
88 On outermost call, pass 0 for PASSED_A_PTR.
89 On outermost call, SHOW > 0 means should ignore
90 any typename for TYPE and show its details.
91 SHOW is always zero on recursive calls. */
94 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
95 int show
, int passed_a_ptr
)
100 if (TYPE_NAME (type
) && show
<= 0)
105 switch (TYPE_CODE (type
))
108 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
112 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
114 fprintf_filtered (stream
, "(");
117 case TYPE_CODE_ARRAY
:
118 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
121 case TYPE_CODE_UNDEF
:
122 case TYPE_CODE_STRUCT
:
123 case TYPE_CODE_UNION
:
128 case TYPE_CODE_ERROR
:
132 case TYPE_CODE_RANGE
:
133 case TYPE_CODE_STRING
:
134 case TYPE_CODE_METHOD
:
136 case TYPE_CODE_COMPLEX
:
137 case TYPE_CODE_TYPEDEF
:
138 /* These types need no prefix. They are listed here so that
139 gcc -Wall will reveal any types that haven't been handled. */
144 /* Print any array sizes, function arguments or close parentheses
145 needed after the variable name (to describe its type).
146 Args work like c_type_print_varspec_prefix. */
149 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
150 int show
, int passed_a_ptr
, int demangled_args
,
151 int arrayprint_recurse_level
)
153 int upper_bound
, lower_bound
;
155 /* No static variables are permitted as an error call may occur during
156 execution of this function. */
161 if (TYPE_NAME (type
) && show
<= 0)
166 switch (TYPE_CODE (type
))
168 case TYPE_CODE_ARRAY
:
169 arrayprint_recurse_level
++;
171 if (arrayprint_recurse_level
== 1)
172 fprintf_filtered (stream
, "(");
174 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
175 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
176 arrayprint_recurse_level
);
178 lower_bound
= f77_get_lowerbound (type
);
179 if (lower_bound
!= 1) /* Not the default. */
180 fprintf_filtered (stream
, "%d:", lower_bound
);
182 /* Make sure that, if we have an assumed size array, we
183 print out a warning and print the upperbound as '*'. */
185 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
186 fprintf_filtered (stream
, "*");
189 upper_bound
= f77_get_upperbound (type
);
190 fprintf_filtered (stream
, "%d", upper_bound
);
193 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
194 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
195 arrayprint_recurse_level
);
196 if (arrayprint_recurse_level
== 1)
197 fprintf_filtered (stream
, ")");
199 fprintf_filtered (stream
, ",");
200 arrayprint_recurse_level
--;
205 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0,
206 arrayprint_recurse_level
);
207 fprintf_filtered (stream
, ")");
211 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
212 passed_a_ptr
, 0, arrayprint_recurse_level
);
214 fprintf_filtered (stream
, ")");
216 fprintf_filtered (stream
, "()");
219 case TYPE_CODE_UNDEF
:
220 case TYPE_CODE_STRUCT
:
221 case TYPE_CODE_UNION
:
226 case TYPE_CODE_ERROR
:
230 case TYPE_CODE_RANGE
:
231 case TYPE_CODE_STRING
:
232 case TYPE_CODE_METHOD
:
233 case TYPE_CODE_COMPLEX
:
234 case TYPE_CODE_TYPEDEF
:
235 /* These types do not need a suffix. They are listed so that
236 gcc -Wall will report types that may not have been considered. */
241 /* Print the name of the type (or the ultimate pointer target,
242 function value or array element), or the description of a
245 SHOW nonzero means don't print this type as just its name;
246 show its real definition even if it has a name.
247 SHOW zero means print just typename or struct tag if there is one
248 SHOW negative means abbreviate structure elements.
249 SHOW is decremented for printing of structure elements.
251 LEVEL is the depth to indent by.
252 We increase it for some recursive calls. */
255 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
266 fputs_filtered ("<type unknown>", stream
);
270 /* When SHOW is zero or less, and there is a valid type name, then always
271 just print the type name directly from the type. */
273 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
275 fputs_filtered (TYPE_NAME (type
), stream
);
279 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
280 CHECK_TYPEDEF (type
);
282 switch (TYPE_CODE (type
))
284 case TYPE_CODE_TYPEDEF
:
285 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
288 case TYPE_CODE_ARRAY
:
290 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
294 fprintf_filtered (stream
, "PTR TO -> ( ");
295 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
299 fprintf_filtered (stream
, "REF TO -> ( ");
300 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
304 fprintfi_filtered (level
, stream
, "VOID");
307 case TYPE_CODE_UNDEF
:
308 fprintfi_filtered (level
, stream
, "struct <unknown>");
311 case TYPE_CODE_ERROR
:
312 fprintfi_filtered (level
, stream
, "%s", TYPE_ERROR_NAME (type
));
315 case TYPE_CODE_RANGE
:
316 /* This should not occur. */
317 fprintfi_filtered (level
, stream
, "<range type>");
322 /* There may be some character types that attempt to come
323 through as TYPE_CODE_INT since dbxstclass.h is so
324 C-oriented, we must change these to "character" from "char". */
326 if (strcmp (TYPE_NAME (type
), "char") == 0)
327 fprintfi_filtered (level
, stream
, "character");
332 case TYPE_CODE_STRING
:
333 /* Strings may have dynamic upperbounds (lengths) like arrays. */
335 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
336 fprintfi_filtered (level
, stream
, "character*(*)");
339 upper_bound
= f77_get_upperbound (type
);
340 fprintf_filtered (stream
, "character*%d", upper_bound
);
344 case TYPE_CODE_STRUCT
:
345 case TYPE_CODE_UNION
:
346 if (TYPE_CODE (type
) == TYPE_CODE_UNION
)
347 fprintfi_filtered (level
, stream
, "Type, C_Union :: ");
349 fprintfi_filtered (level
, stream
, "Type ");
350 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
351 fputs_filtered ("\n", stream
);
352 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
354 f_type_print_base (TYPE_FIELD_TYPE (type
, index
), stream
, show
,
356 fputs_filtered (" :: ", stream
);
357 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
358 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type
, index
),
360 fputs_filtered ("\n", stream
);
362 fprintfi_filtered (level
, stream
, "End Type ");
363 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
366 case TYPE_CODE_MODULE
:
367 fprintfi_filtered (level
, stream
, "module %s", TYPE_TAG_NAME (type
));
372 /* Handle types not explicitly handled by the other cases,
373 such as fundamental types. For these, just print whatever
374 the type name is, as recorded in the type itself. If there
375 is no type name, then complain. */
376 if (TYPE_NAME (type
) != NULL
)
377 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
379 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));