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 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 2 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, write to the Free Software
23 Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA. */
27 #include "gdb_obstack.h"
31 #include "expression.h"
37 #include "gdb_string.h"
40 #if 0 /* Currently unused */
41 static void f_type_print_args (struct type
*, struct ui_file
*);
44 static void print_equivalent_f77_float_type (int level
, struct type
*,
47 static void f_type_print_varspec_suffix (struct type
*, struct ui_file
*,
50 void f_type_print_varspec_prefix (struct type
*, struct ui_file
*,
53 void f_type_print_base (struct type
*, struct ui_file
*, int, int);
56 /* LEVEL is the depth to indent lines by. */
59 f_print_type (struct type
*type
, char *varstring
, struct ui_file
*stream
,
65 f_type_print_base (type
, stream
, show
, level
);
66 code
= TYPE_CODE (type
);
67 if ((varstring
!= NULL
&& *varstring
!= '\0')
69 /* Need a space if going to print stars or brackets;
70 but not if we will print just a type name. */
71 ((show
> 0 || TYPE_NAME (type
) == 0)
73 (code
== TYPE_CODE_PTR
|| code
== TYPE_CODE_FUNC
74 || code
== TYPE_CODE_METHOD
75 || code
== TYPE_CODE_ARRAY
76 || code
== TYPE_CODE_REF
)))
77 fputs_filtered (" ", stream
);
78 f_type_print_varspec_prefix (type
, stream
, show
, 0);
80 fputs_filtered (varstring
, stream
);
82 /* For demangled function names, we have the arglist as part of the name,
83 so don't print an additional pair of ()'s */
85 demangled_args
= varstring
[strlen (varstring
) - 1] == ')';
86 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
);
89 /* Print any asterisks or open-parentheses needed before the
90 variable name (to describe its type).
92 On outermost call, pass 0 for PASSED_A_PTR.
93 On outermost call, SHOW > 0 means should ignore
94 any typename for TYPE and show its details.
95 SHOW is always zero on recursive calls. */
98 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
99 int show
, int passed_a_ptr
)
104 if (TYPE_NAME (type
) && show
<= 0)
109 switch (TYPE_CODE (type
))
112 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
116 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
118 fprintf_filtered (stream
, "(");
121 case TYPE_CODE_ARRAY
:
122 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
125 case TYPE_CODE_UNDEF
:
126 case TYPE_CODE_STRUCT
:
127 case TYPE_CODE_UNION
:
132 case TYPE_CODE_ERROR
:
136 case TYPE_CODE_RANGE
:
137 case TYPE_CODE_STRING
:
138 case TYPE_CODE_BITSTRING
:
139 case TYPE_CODE_METHOD
:
141 case TYPE_CODE_COMPLEX
:
142 case TYPE_CODE_TYPEDEF
:
143 /* These types need no prefix. They are listed here so that
144 gcc -Wall will reveal any types that haven't been handled. */
149 /* Print any array sizes, function arguments or close parentheses
150 needed after the variable name (to describe its type).
151 Args work like c_type_print_varspec_prefix. */
154 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
155 int show
, int passed_a_ptr
, int demangled_args
)
157 int upper_bound
, lower_bound
;
158 int lower_bound_was_default
= 0;
159 static int arrayprint_recurse_level
= 0;
165 if (TYPE_NAME (type
) && show
<= 0)
170 switch (TYPE_CODE (type
))
172 case TYPE_CODE_ARRAY
:
173 arrayprint_recurse_level
++;
175 if (arrayprint_recurse_level
== 1)
176 fprintf_filtered (stream
, "(");
178 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
179 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0);
181 retcode
= f77_get_dynamic_lowerbound (type
, &lower_bound
);
183 lower_bound_was_default
= 0;
185 if (retcode
== BOUND_FETCH_ERROR
)
186 fprintf_filtered (stream
, "???");
187 else if (lower_bound
== 1) /* The default */
188 lower_bound_was_default
= 1;
190 fprintf_filtered (stream
, "%d", lower_bound
);
192 if (lower_bound_was_default
)
193 lower_bound_was_default
= 0;
195 fprintf_filtered (stream
, ":");
197 /* Make sure that, if we have an assumed size array, we
198 print out a warning and print the upperbound as '*' */
200 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type
) == BOUND_CANNOT_BE_DETERMINED
)
201 fprintf_filtered (stream
, "*");
204 retcode
= f77_get_dynamic_upperbound (type
, &upper_bound
);
206 if (retcode
== BOUND_FETCH_ERROR
)
207 fprintf_filtered (stream
, "???");
209 fprintf_filtered (stream
, "%d", upper_bound
);
212 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
213 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0);
214 if (arrayprint_recurse_level
== 1)
215 fprintf_filtered (stream
, ")");
217 fprintf_filtered (stream
, ",");
218 arrayprint_recurse_level
--;
223 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0);
224 fprintf_filtered (stream
, ")");
228 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
231 fprintf_filtered (stream
, ")");
233 fprintf_filtered (stream
, "()");
236 case TYPE_CODE_UNDEF
:
237 case TYPE_CODE_STRUCT
:
238 case TYPE_CODE_UNION
:
243 case TYPE_CODE_ERROR
:
247 case TYPE_CODE_RANGE
:
248 case TYPE_CODE_STRING
:
249 case TYPE_CODE_BITSTRING
:
250 case TYPE_CODE_METHOD
:
251 case TYPE_CODE_COMPLEX
:
252 case TYPE_CODE_TYPEDEF
:
253 /* These types do not need a suffix. They are listed so that
254 gcc -Wall will report types that may not have been considered. */
260 print_equivalent_f77_float_type (int level
, struct type
*type
,
261 struct ui_file
*stream
)
263 /* Override type name "float" and make it the
264 appropriate real. XLC stupidly outputs -12 as a type
265 for real when it really should be outputting -18 */
267 fprintfi_filtered (level
, stream
, "real*%d", TYPE_LENGTH (type
));
270 /* Print the name of the type (or the ultimate pointer target,
271 function value or array element), or the description of a
274 SHOW nonzero means don't print this type as just its name;
275 show its real definition even if it has a name.
276 SHOW zero means print just typename or struct tag if there is one
277 SHOW negative means abbreviate structure elements.
278 SHOW is decremented for printing of structure elements.
280 LEVEL is the depth to indent by.
281 We increase it for some recursive calls. */
284 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
297 fputs_filtered ("<type unknown>", stream
);
301 /* When SHOW is zero or less, and there is a valid type name, then always
302 just print the type name directly from the type. */
304 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
306 if (TYPE_CODE (type
) == TYPE_CODE_FLT
)
307 print_equivalent_f77_float_type (level
, type
, stream
);
309 fputs_filtered (TYPE_NAME (type
), stream
);
313 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
314 CHECK_TYPEDEF (type
);
316 switch (TYPE_CODE (type
))
318 case TYPE_CODE_TYPEDEF
:
319 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
322 case TYPE_CODE_ARRAY
:
324 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
328 fprintf_filtered (stream
, "PTR TO -> ( ");
329 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
333 fprintf_filtered (stream
, "REF TO -> ( ");
334 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
338 fprintfi_filtered (level
, stream
, "VOID");
341 case TYPE_CODE_UNDEF
:
342 fprintfi_filtered (level
, stream
, "struct <unknown>");
345 case TYPE_CODE_ERROR
:
346 fprintfi_filtered (level
, stream
, "<unknown type>");
349 case TYPE_CODE_RANGE
:
350 /* This should not occur */
351 fprintfi_filtered (level
, stream
, "<range type>");
355 /* Override name "char" and make it "character" */
356 fprintfi_filtered (level
, stream
, "character");
360 /* There may be some character types that attempt to come
361 through as TYPE_CODE_INT since dbxstclass.h is so
362 C-oriented, we must change these to "character" from "char". */
364 if (strcmp (TYPE_NAME (type
), "char") == 0)
365 fprintfi_filtered (level
, stream
, "character");
370 case TYPE_CODE_COMPLEX
:
371 fprintfi_filtered (level
, stream
, "complex*%d", TYPE_LENGTH (type
));
375 print_equivalent_f77_float_type (level
, type
, stream
);
378 case TYPE_CODE_STRING
:
379 /* Strings may have dynamic upperbounds (lengths) like arrays. */
381 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type
) == BOUND_CANNOT_BE_DETERMINED
)
382 fprintfi_filtered (level
, stream
, "character*(*)");
385 retcode
= f77_get_dynamic_upperbound (type
, &upper_bound
);
387 if (retcode
== BOUND_FETCH_ERROR
)
388 fprintf_filtered (stream
, "character*???");
390 fprintf_filtered (stream
, "character*%d", upper_bound
);
394 case TYPE_CODE_STRUCT
:
395 fprintfi_filtered (level
, stream
, "Type ");
396 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
397 fputs_filtered ("\n", stream
);
398 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
400 f_print_type (TYPE_FIELD_TYPE (type
, index
), "", stream
, show
, level
+ 4);
401 fputs_filtered (" :: ", stream
);
402 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
403 fputs_filtered ("\n", stream
);
405 fprintfi_filtered (level
, stream
, "End Type ");
406 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
411 /* Handle types not explicitly handled by the other cases,
412 such as fundamental types. For these, just print whatever
413 the type name is, as recorded in the type itself. If there
414 is no type name, then complain. */
415 if (TYPE_NAME (type
) != NULL
)
416 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
418 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));