1 /* Support for printing Fortran types for GDB, the GNU debugger.
3 Copyright (C) 1986-2017 Free Software Foundation, Inc.
5 Contributed by Motorola. Adapted from the C version by Farooq Butt
6 (fmbutt@engage.sps.mot.com).
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "gdb_obstack.h"
28 #include "expression.h"
33 #include "typeprint.h"
35 #if 0 /* Currently unused. */
36 static void f_type_print_args (struct type
*, struct ui_file
*);
39 static void f_type_print_varspec_suffix (struct type
*, struct ui_file
*, int,
42 void f_type_print_varspec_prefix (struct type
*, struct ui_file
*,
45 void f_type_print_base (struct type
*, struct ui_file
*, int, int);
48 /* LEVEL is the depth to indent lines by. */
51 f_print_type (struct type
*type
, const char *varstring
, struct ui_file
*stream
,
52 int show
, int level
, const struct type_print_options
*flags
)
56 if (type_not_associated (type
))
58 val_print_not_associated (stream
);
62 if (type_not_allocated (type
))
64 val_print_not_allocated (stream
);
68 f_type_print_base (type
, stream
, show
, level
);
69 code
= TYPE_CODE (type
);
70 if ((varstring
!= NULL
&& *varstring
!= '\0')
71 /* Need a space if going to print stars or brackets;
72 but not if we will print just a type name. */
73 || ((show
> 0 || TYPE_NAME (type
) == 0)
74 && (code
== TYPE_CODE_PTR
|| code
== TYPE_CODE_FUNC
75 || code
== TYPE_CODE_METHOD
76 || code
== TYPE_CODE_ARRAY
77 || code
== TYPE_CODE_REF
)))
78 fputs_filtered (" ", stream
);
79 f_type_print_varspec_prefix (type
, stream
, show
, 0);
81 if (varstring
!= NULL
)
85 fputs_filtered (varstring
, stream
);
87 /* For demangled function names, we have the arglist as part of the name,
88 so don't print an additional pair of ()'s. */
90 demangled_args
= (*varstring
!= '\0'
91 && varstring
[strlen (varstring
) - 1] == ')');
92 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
, 0);
96 /* Print any asterisks or open-parentheses needed before the
97 variable name (to describe its type).
99 On outermost call, pass 0 for PASSED_A_PTR.
100 On outermost call, SHOW > 0 means should ignore
101 any typename for TYPE and show its details.
102 SHOW is always zero on recursive calls. */
105 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
106 int show
, int passed_a_ptr
)
111 if (TYPE_NAME (type
) && show
<= 0)
116 switch (TYPE_CODE (type
))
119 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
123 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
125 fprintf_filtered (stream
, "(");
128 case TYPE_CODE_ARRAY
:
129 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
132 case TYPE_CODE_UNDEF
:
133 case TYPE_CODE_STRUCT
:
134 case TYPE_CODE_UNION
:
139 case TYPE_CODE_ERROR
:
143 case TYPE_CODE_RANGE
:
144 case TYPE_CODE_STRING
:
145 case TYPE_CODE_METHOD
:
147 case TYPE_CODE_COMPLEX
:
148 case TYPE_CODE_TYPEDEF
:
149 /* These types need no prefix. They are listed here so that
150 gcc -Wall will reveal any types that haven't been handled. */
155 /* Print any array sizes, function arguments or close parentheses
156 needed after the variable name (to describe its type).
157 Args work like c_type_print_varspec_prefix. */
160 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
161 int show
, int passed_a_ptr
, int demangled_args
,
162 int arrayprint_recurse_level
)
164 int upper_bound
, lower_bound
;
166 /* No static variables are permitted as an error call may occur during
167 execution of this function. */
172 if (TYPE_NAME (type
) && show
<= 0)
177 switch (TYPE_CODE (type
))
179 case TYPE_CODE_ARRAY
:
180 arrayprint_recurse_level
++;
182 if (arrayprint_recurse_level
== 1)
183 fprintf_filtered (stream
, "(");
185 if (type_not_associated (type
))
186 val_print_not_associated (stream
);
187 else if (type_not_allocated (type
))
188 val_print_not_allocated (stream
);
191 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
192 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
193 0, 0, arrayprint_recurse_level
);
195 lower_bound
= f77_get_lowerbound (type
);
196 if (lower_bound
!= 1) /* Not the default. */
197 fprintf_filtered (stream
, "%d:", lower_bound
);
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_IS_UNDEFINED (type
))
203 fprintf_filtered (stream
, "*");
206 upper_bound
= f77_get_upperbound (type
);
207 fprintf_filtered (stream
, "%d", upper_bound
);
210 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
211 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
212 0, 0, arrayprint_recurse_level
);
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 arrayprint_recurse_level
);
225 fprintf_filtered (stream
, ")");
229 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
230 passed_a_ptr
, 0, arrayprint_recurse_level
);
232 fprintf_filtered (stream
, ")");
234 fprintf_filtered (stream
, "()");
237 case TYPE_CODE_UNDEF
:
238 case TYPE_CODE_STRUCT
:
239 case TYPE_CODE_UNION
:
244 case TYPE_CODE_ERROR
:
248 case TYPE_CODE_RANGE
:
249 case TYPE_CODE_STRING
:
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. */
259 /* Print the name of the type (or the ultimate pointer target,
260 function value or array element), or the description of a
263 SHOW nonzero means don't print this type as just its name;
264 show its real definition even if it has a name.
265 SHOW zero means print just typename or struct tag if there is one
266 SHOW negative means abbreviate structure elements.
267 SHOW is decremented for printing of structure elements.
269 LEVEL is the depth to indent by.
270 We increase it for some recursive calls. */
273 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
284 fputs_filtered ("<type unknown>", stream
);
288 /* When SHOW is zero or less, and there is a valid type name, then always
289 just print the type name directly from the type. */
291 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
293 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
297 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
298 type
= check_typedef (type
);
300 switch (TYPE_CODE (type
))
302 case TYPE_CODE_TYPEDEF
:
303 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
306 case TYPE_CODE_ARRAY
:
308 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
312 fprintf_filtered (stream
, "PTR TO -> ( ");
313 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
317 fprintf_filtered (stream
, "REF TO -> ( ");
318 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
322 fprintfi_filtered (level
, stream
, "VOID");
325 case TYPE_CODE_UNDEF
:
326 fprintfi_filtered (level
, stream
, "struct <unknown>");
329 case TYPE_CODE_ERROR
:
330 fprintfi_filtered (level
, stream
, "%s", TYPE_ERROR_NAME (type
));
333 case TYPE_CODE_RANGE
:
334 /* This should not occur. */
335 fprintfi_filtered (level
, stream
, "<range type>");
340 /* There may be some character types that attempt to come
341 through as TYPE_CODE_INT since dbxstclass.h is so
342 C-oriented, we must change these to "character" from "char". */
344 if (strcmp (TYPE_NAME (type
), "char") == 0)
345 fprintfi_filtered (level
, stream
, "character");
350 case TYPE_CODE_STRING
:
351 /* Strings may have dynamic upperbounds (lengths) like arrays. */
353 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
354 fprintfi_filtered (level
, stream
, "character*(*)");
357 upper_bound
= f77_get_upperbound (type
);
358 fprintf_filtered (stream
, "character*%d", upper_bound
);
362 case TYPE_CODE_STRUCT
:
363 case TYPE_CODE_UNION
:
364 if (TYPE_CODE (type
) == TYPE_CODE_UNION
)
365 fprintfi_filtered (level
, stream
, "Type, C_Union :: ");
367 fprintfi_filtered (level
, stream
, "Type ");
368 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
369 /* According to the definition,
370 we only print structure elements in case show > 0. */
373 fputs_filtered ("\n", stream
);
374 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
376 f_type_print_base (TYPE_FIELD_TYPE (type
, index
), stream
,
377 show
- 1, level
+ 4);
378 fputs_filtered (" :: ", stream
);
379 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
380 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type
, index
),
381 stream
, show
- 1, 0, 0, 0);
382 fputs_filtered ("\n", stream
);
384 fprintfi_filtered (level
, stream
, "End Type ");
385 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
389 case TYPE_CODE_MODULE
:
390 fprintfi_filtered (level
, stream
, "module %s", TYPE_TAG_NAME (type
));
395 /* Handle types not explicitly handled by the other cases,
396 such as fundamental types. For these, just print whatever
397 the type name is, as recorded in the type itself. If there
398 is no type name, then complain. */
399 if (TYPE_NAME (type
) != NULL
)
400 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
402 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));
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