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, 2009 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
, 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
, 0);
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
,
154 int arrayprint_recurse_level
)
156 int upper_bound
, lower_bound
;
158 /* No static variables are permitted as an error call may occur during
159 execution of this function. */
164 if (TYPE_NAME (type
) && show
<= 0)
169 switch (TYPE_CODE (type
))
171 case TYPE_CODE_ARRAY
:
172 arrayprint_recurse_level
++;
174 if (arrayprint_recurse_level
== 1)
175 fprintf_filtered (stream
, "(");
177 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
178 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
179 arrayprint_recurse_level
);
181 lower_bound
= f77_get_lowerbound (type
);
182 if (lower_bound
!= 1) /* Not the default. */
183 fprintf_filtered (stream
, "%d:", lower_bound
);
185 /* Make sure that, if we have an assumed size array, we
186 print out a warning and print the upperbound as '*' */
188 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
189 fprintf_filtered (stream
, "*");
192 upper_bound
= f77_get_upperbound (type
);
193 fprintf_filtered (stream
, "%d", upper_bound
);
196 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
197 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
198 arrayprint_recurse_level
);
199 if (arrayprint_recurse_level
== 1)
200 fprintf_filtered (stream
, ")");
202 fprintf_filtered (stream
, ",");
203 arrayprint_recurse_level
--;
208 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0,
209 arrayprint_recurse_level
);
210 fprintf_filtered (stream
, ")");
214 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
215 passed_a_ptr
, 0, arrayprint_recurse_level
);
217 fprintf_filtered (stream
, ")");
219 fprintf_filtered (stream
, "()");
222 case TYPE_CODE_UNDEF
:
223 case TYPE_CODE_STRUCT
:
224 case TYPE_CODE_UNION
:
229 case TYPE_CODE_ERROR
:
233 case TYPE_CODE_RANGE
:
234 case TYPE_CODE_STRING
:
235 case TYPE_CODE_BITSTRING
:
236 case TYPE_CODE_METHOD
:
237 case TYPE_CODE_COMPLEX
:
238 case TYPE_CODE_TYPEDEF
:
239 /* These types do not need a suffix. They are listed so that
240 gcc -Wall will report types that may not have been considered. */
245 /* Print the name of the type (or the ultimate pointer target,
246 function value or array element), or the description of a
249 SHOW nonzero means don't print this type as just its name;
250 show its real definition even if it has a name.
251 SHOW zero means print just typename or struct tag if there is one
252 SHOW negative means abbreviate structure elements.
253 SHOW is decremented for printing of structure elements.
255 LEVEL is the depth to indent by.
256 We increase it for some recursive calls. */
259 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
272 fputs_filtered ("<type unknown>", stream
);
276 /* When SHOW is zero or less, and there is a valid type name, then always
277 just print the type name directly from the type. */
279 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
281 fputs_filtered (TYPE_NAME (type
), stream
);
285 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
286 CHECK_TYPEDEF (type
);
288 switch (TYPE_CODE (type
))
290 case TYPE_CODE_TYPEDEF
:
291 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
294 case TYPE_CODE_ARRAY
:
296 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
300 fprintf_filtered (stream
, "PTR TO -> ( ");
301 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
305 fprintf_filtered (stream
, "REF TO -> ( ");
306 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
310 fprintfi_filtered (level
, stream
, "VOID");
313 case TYPE_CODE_UNDEF
:
314 fprintfi_filtered (level
, stream
, "struct <unknown>");
317 case TYPE_CODE_ERROR
:
318 fprintfi_filtered (level
, stream
, "<unknown type>");
321 case TYPE_CODE_RANGE
:
322 /* This should not occur */
323 fprintfi_filtered (level
, stream
, "<range type>");
327 /* Override name "char" and make it "character" */
328 fprintfi_filtered (level
, stream
, "character");
332 /* There may be some character types that attempt to come
333 through as TYPE_CODE_INT since dbxstclass.h is so
334 C-oriented, we must change these to "character" from "char". */
336 if (strcmp (TYPE_NAME (type
), "char") == 0)
337 fprintfi_filtered (level
, stream
, "character");
342 case TYPE_CODE_STRING
:
343 /* Strings may have dynamic upperbounds (lengths) like arrays. */
345 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
346 fprintfi_filtered (level
, stream
, "character*(*)");
349 upper_bound
= f77_get_upperbound (type
);
350 fprintf_filtered (stream
, "character*%d", upper_bound
);
354 case TYPE_CODE_STRUCT
:
355 case TYPE_CODE_UNION
:
356 if (TYPE_CODE (type
) == TYPE_CODE_UNION
)
357 fprintfi_filtered (level
, stream
, "Type, C_Union :: ");
359 fprintfi_filtered (level
, stream
, "Type ");
360 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
361 fputs_filtered ("\n", stream
);
362 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
364 f_type_print_base (TYPE_FIELD_TYPE (type
, index
), stream
, show
,
366 fputs_filtered (" :: ", stream
);
367 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
368 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type
, index
),
370 fputs_filtered ("\n", stream
);
372 fprintfi_filtered (level
, stream
, "End Type ");
373 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
378 /* Handle types not explicitly handled by the other cases,
379 such as fundamental types. For these, just print whatever
380 the type name is, as recorded in the type itself. If there
381 is no type name, then complain. */
382 if (TYPE_NAME (type
) != NULL
)
383 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
385 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));
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