1 /* Support for printing Fortran types for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998,
4 2000, 2001, 2002, 2003, 2006 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_MEMBER
77 || code
== TYPE_CODE_REF
)))
78 fputs_filtered (" ", stream
);
79 f_type_print_varspec_prefix (type
, stream
, show
, 0);
81 fputs_filtered (varstring
, stream
);
83 /* For demangled function names, we have the arglist as part of the name,
84 so don't print an additional pair of ()'s */
86 demangled_args
= varstring
[strlen (varstring
) - 1] == ')';
87 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
);
90 /* Print any asterisks or open-parentheses needed before the
91 variable name (to describe its type).
93 On outermost call, pass 0 for PASSED_A_PTR.
94 On outermost call, SHOW > 0 means should ignore
95 any typename for TYPE and show its details.
96 SHOW is always zero on recursive calls. */
99 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
100 int show
, int passed_a_ptr
)
105 if (TYPE_NAME (type
) && show
<= 0)
110 switch (TYPE_CODE (type
))
113 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
117 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
119 fprintf_filtered (stream
, "(");
122 case TYPE_CODE_ARRAY
:
123 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
126 case TYPE_CODE_UNDEF
:
127 case TYPE_CODE_STRUCT
:
128 case TYPE_CODE_UNION
:
133 case TYPE_CODE_ERROR
:
137 case TYPE_CODE_RANGE
:
138 case TYPE_CODE_STRING
:
139 case TYPE_CODE_BITSTRING
:
140 case TYPE_CODE_METHOD
:
141 case TYPE_CODE_MEMBER
:
143 case TYPE_CODE_COMPLEX
:
144 case TYPE_CODE_TYPEDEF
:
145 /* These types need no prefix. They are listed here so that
146 gcc -Wall will reveal any types that haven't been handled. */
151 /* Print any array sizes, function arguments or close parentheses
152 needed after the variable name (to describe its type).
153 Args work like c_type_print_varspec_prefix. */
156 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
157 int show
, int passed_a_ptr
, int demangled_args
)
159 int upper_bound
, lower_bound
;
160 int lower_bound_was_default
= 0;
161 static int arrayprint_recurse_level
= 0;
167 if (TYPE_NAME (type
) && show
<= 0)
172 switch (TYPE_CODE (type
))
174 case TYPE_CODE_ARRAY
:
175 arrayprint_recurse_level
++;
177 if (arrayprint_recurse_level
== 1)
178 fprintf_filtered (stream
, "(");
180 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
181 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0);
183 retcode
= f77_get_dynamic_lowerbound (type
, &lower_bound
);
185 lower_bound_was_default
= 0;
187 if (retcode
== BOUND_FETCH_ERROR
)
188 fprintf_filtered (stream
, "???");
189 else if (lower_bound
== 1) /* The default */
190 lower_bound_was_default
= 1;
192 fprintf_filtered (stream
, "%d", lower_bound
);
194 if (lower_bound_was_default
)
195 lower_bound_was_default
= 0;
197 fprintf_filtered (stream
, ":");
199 /* Make sure that, if we have an assumed size array, we
200 print out a warning and print the upperbound as '*' */
202 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type
) == BOUND_CANNOT_BE_DETERMINED
)
203 fprintf_filtered (stream
, "*");
206 retcode
= f77_get_dynamic_upperbound (type
, &upper_bound
);
208 if (retcode
== BOUND_FETCH_ERROR
)
209 fprintf_filtered (stream
, "???");
211 fprintf_filtered (stream
, "%d", upper_bound
);
214 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
215 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0);
216 if (arrayprint_recurse_level
== 1)
217 fprintf_filtered (stream
, ")");
219 fprintf_filtered (stream
, ",");
220 arrayprint_recurse_level
--;
225 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0);
226 fprintf_filtered (stream
, ")");
230 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
233 fprintf_filtered (stream
, ")");
235 fprintf_filtered (stream
, "()");
238 case TYPE_CODE_UNDEF
:
239 case TYPE_CODE_STRUCT
:
240 case TYPE_CODE_UNION
:
245 case TYPE_CODE_ERROR
:
249 case TYPE_CODE_RANGE
:
250 case TYPE_CODE_STRING
:
251 case TYPE_CODE_BITSTRING
:
252 case TYPE_CODE_METHOD
:
253 case TYPE_CODE_MEMBER
:
254 case TYPE_CODE_COMPLEX
:
255 case TYPE_CODE_TYPEDEF
:
256 /* These types do not need a suffix. They are listed so that
257 gcc -Wall will report types that may not have been considered. */
263 print_equivalent_f77_float_type (int level
, struct type
*type
,
264 struct ui_file
*stream
)
266 /* Override type name "float" and make it the
267 appropriate real. XLC stupidly outputs -12 as a type
268 for real when it really should be outputting -18 */
270 fprintfi_filtered (level
, stream
, "real*%d", TYPE_LENGTH (type
));
273 /* Print the name of the type (or the ultimate pointer target,
274 function value or array element), or the description of a
277 SHOW nonzero means don't print this type as just its name;
278 show its real definition even if it has a name.
279 SHOW zero means print just typename or struct tag if there is one
280 SHOW negative means abbreviate structure elements.
281 SHOW is decremented for printing of structure elements.
283 LEVEL is the depth to indent by.
284 We increase it for some recursive calls. */
287 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
300 fputs_filtered ("<type unknown>", stream
);
304 /* When SHOW is zero or less, and there is a valid type name, then always
305 just print the type name directly from the type. */
307 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
309 if (TYPE_CODE (type
) == TYPE_CODE_FLT
)
310 print_equivalent_f77_float_type (level
, type
, stream
);
312 fputs_filtered (TYPE_NAME (type
), stream
);
316 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
317 CHECK_TYPEDEF (type
);
319 switch (TYPE_CODE (type
))
321 case TYPE_CODE_TYPEDEF
:
322 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
325 case TYPE_CODE_ARRAY
:
327 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
331 fprintf_filtered (stream
, "PTR TO -> ( ");
332 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
336 fprintf_filtered (stream
, "REF TO -> ( ");
337 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
341 fprintfi_filtered (level
, stream
, "VOID");
344 case TYPE_CODE_UNDEF
:
345 fprintfi_filtered (level
, stream
, "struct <unknown>");
348 case TYPE_CODE_ERROR
:
349 fprintfi_filtered (level
, stream
, "<unknown type>");
352 case TYPE_CODE_RANGE
:
353 /* This should not occur */
354 fprintfi_filtered (level
, stream
, "<range type>");
358 /* Override name "char" and make it "character" */
359 fprintfi_filtered (level
, stream
, "character");
363 /* There may be some character types that attempt to come
364 through as TYPE_CODE_INT since dbxstclass.h is so
365 C-oriented, we must change these to "character" from "char". */
367 if (strcmp (TYPE_NAME (type
), "char") == 0)
368 fprintfi_filtered (level
, stream
, "character");
373 case TYPE_CODE_COMPLEX
:
374 fprintfi_filtered (level
, stream
, "complex*%d", TYPE_LENGTH (type
));
378 print_equivalent_f77_float_type (level
, type
, stream
);
381 case TYPE_CODE_STRING
:
382 /* Strings may have dynamic upperbounds (lengths) like arrays. */
384 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type
) == BOUND_CANNOT_BE_DETERMINED
)
385 fprintfi_filtered (level
, stream
, "character*(*)");
388 retcode
= f77_get_dynamic_upperbound (type
, &upper_bound
);
390 if (retcode
== BOUND_FETCH_ERROR
)
391 fprintf_filtered (stream
, "character*???");
393 fprintf_filtered (stream
, "character*%d", upper_bound
);
397 case TYPE_CODE_STRUCT
:
398 fprintfi_filtered (level
, stream
, "Type ");
399 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
400 fputs_filtered ("\n", stream
);
401 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
403 f_print_type (TYPE_FIELD_TYPE (type
, index
), "", stream
, show
, level
+ 4);
404 fputs_filtered (" :: ", stream
);
405 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
406 fputs_filtered ("\n", stream
);
408 fprintfi_filtered (level
, stream
, "End Type ");
409 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
414 /* Handle types not explicitly handled by the other cases,
415 such as fundamental types. For these, just print whatever
416 the type name is, as recorded in the type itself. If there
417 is no type name, then complain. */
418 if (TYPE_NAME (type
) != NULL
)
419 fprintfi_filtered (level
, stream
, "%s ", TYPE_NAME (type
));
421 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));