1 /* Support for printing Fortran types for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000,
4 2001, 2002, 2003, 2006, 2007, 2008 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
*,
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
, 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')
64 /* Need a space if going to print stars or brackets;
65 but not if we will print just a type name. */
66 ((show
> 0 || TYPE_NAME (type
) == 0)
68 (code
== TYPE_CODE_PTR
|| code
== TYPE_CODE_FUNC
69 || code
== TYPE_CODE_METHOD
70 || code
== TYPE_CODE_ARRAY
71 || code
== TYPE_CODE_REF
)))
72 fputs_filtered (" ", stream
);
73 f_type_print_varspec_prefix (type
, stream
, show
, 0);
75 if (varstring
!= NULL
)
77 fputs_filtered (varstring
, stream
);
79 /* For demangled function names, we have the arglist as part of the name,
80 so don't print an additional pair of ()'s */
82 demangled_args
= varstring
[strlen (varstring
) - 1] == ')';
83 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
);
87 /* Print any asterisks or open-parentheses needed before the
88 variable name (to describe its type).
90 On outermost call, pass 0 for PASSED_A_PTR.
91 On outermost call, SHOW > 0 means should ignore
92 any typename for TYPE and show its details.
93 SHOW is always zero on recursive calls. */
96 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
97 int show
, int passed_a_ptr
)
102 if (TYPE_NAME (type
) && show
<= 0)
107 switch (TYPE_CODE (type
))
110 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
114 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
116 fprintf_filtered (stream
, "(");
119 case TYPE_CODE_ARRAY
:
120 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
123 case TYPE_CODE_UNDEF
:
124 case TYPE_CODE_STRUCT
:
125 case TYPE_CODE_UNION
:
130 case TYPE_CODE_ERROR
:
134 case TYPE_CODE_RANGE
:
135 case TYPE_CODE_STRING
:
136 case TYPE_CODE_BITSTRING
:
137 case TYPE_CODE_METHOD
:
139 case TYPE_CODE_COMPLEX
:
140 case TYPE_CODE_TYPEDEF
:
141 /* These types need no prefix. They are listed here so that
142 gcc -Wall will reveal any types that haven't been handled. */
147 /* Print any array sizes, function arguments or close parentheses
148 needed after the variable name (to describe its type).
149 Args work like c_type_print_varspec_prefix. */
152 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
153 int show
, int passed_a_ptr
, int demangled_args
)
155 int upper_bound
, lower_bound
;
156 static int arrayprint_recurse_level
= 0;
162 if (TYPE_NAME (type
) && show
<= 0)
167 switch (TYPE_CODE (type
))
169 case TYPE_CODE_ARRAY
:
170 arrayprint_recurse_level
++;
172 if (arrayprint_recurse_level
== 1)
173 fprintf_filtered (stream
, "(");
175 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
176 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0);
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 if (arrayprint_recurse_level
== 1)
196 fprintf_filtered (stream
, ")");
198 fprintf_filtered (stream
, ",");
199 arrayprint_recurse_level
--;
204 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0);
205 fprintf_filtered (stream
, ")");
209 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
212 fprintf_filtered (stream
, ")");
214 fprintf_filtered (stream
, "()");
217 case TYPE_CODE_UNDEF
:
218 case TYPE_CODE_STRUCT
:
219 case TYPE_CODE_UNION
:
224 case TYPE_CODE_ERROR
:
228 case TYPE_CODE_RANGE
:
229 case TYPE_CODE_STRING
:
230 case TYPE_CODE_BITSTRING
:
231 case TYPE_CODE_METHOD
:
232 case TYPE_CODE_COMPLEX
:
233 case TYPE_CODE_TYPEDEF
:
234 /* These types do not need a suffix. They are listed so that
235 gcc -Wall will report types that may not have been considered. */
240 /* Print the name of the type (or the ultimate pointer target,
241 function value or array element), or the description of a
244 SHOW nonzero means don't print this type as just its name;
245 show its real definition even if it has a name.
246 SHOW zero means print just typename or struct tag if there is one
247 SHOW negative means abbreviate structure elements.
248 SHOW is decremented for printing of structure elements.
250 LEVEL is the depth to indent by.
251 We increase it for some recursive calls. */
254 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
267 fputs_filtered ("<type unknown>", stream
);
271 /* When SHOW is zero or less, and there is a valid type name, then always
272 just print the type name directly from the type. */
274 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
276 fputs_filtered (TYPE_NAME (type
), stream
);
280 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
281 CHECK_TYPEDEF (type
);
283 switch (TYPE_CODE (type
))
285 case TYPE_CODE_TYPEDEF
:
286 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
289 case TYPE_CODE_ARRAY
:
291 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
295 fprintf_filtered (stream
, "PTR TO -> ( ");
296 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
300 fprintf_filtered (stream
, "REF TO -> ( ");
301 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
305 fprintfi_filtered (level
, stream
, "VOID");
308 case TYPE_CODE_UNDEF
:
309 fprintfi_filtered (level
, stream
, "struct <unknown>");
312 case TYPE_CODE_ERROR
:
313 fprintfi_filtered (level
, stream
, "<unknown type>");
316 case TYPE_CODE_RANGE
:
317 /* This should not occur */
318 fprintfi_filtered (level
, stream
, "<range type>");
322 /* Override name "char" and make it "character" */
323 fprintfi_filtered (level
, stream
, "character");
327 /* There may be some character types that attempt to come
328 through as TYPE_CODE_INT since dbxstclass.h is so
329 C-oriented, we must change these to "character" from "char". */
331 if (strcmp (TYPE_NAME (type
), "char") == 0)
332 fprintfi_filtered (level
, stream
, "character");
337 case TYPE_CODE_STRING
:
338 /* Strings may have dynamic upperbounds (lengths) like arrays. */
340 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
341 fprintfi_filtered (level
, stream
, "character*(*)");
344 upper_bound
= f77_get_upperbound (type
);
345 fprintf_filtered (stream
, "character*%d", upper_bound
);
349 case TYPE_CODE_STRUCT
:
350 case TYPE_CODE_UNION
:
351 if (TYPE_CODE (type
) == TYPE_CODE_UNION
)
352 fprintfi_filtered (level
, stream
, "Type, C_Union :: ");
354 fprintfi_filtered (level
, stream
, "Type ");
355 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
356 fputs_filtered ("\n", stream
);
357 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
359 f_type_print_base (TYPE_FIELD_TYPE (type
, index
), stream
, show
,
361 fputs_filtered (" :: ", stream
);
362 fprintfi_filtered (level
, stream
, "%s",
363 TYPE_FIELD_NAME (type
, index
));
364 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type
, index
),
366 fputs_filtered ("\n", stream
);
368 fprintfi_filtered (level
, stream
, "End Type ");
369 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
374 /* Handle types not explicitly handled by the other cases,
375 such as fundamental types. For these, just print whatever
376 the type name is, as recorded in the type itself. If there
377 is no type name, then complain. */
378 if (TYPE_NAME (type
) != NULL
)
379 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
381 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));
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