1 /* Support for printing Fortran types for GDB, the GNU debugger.
3 Copyright (C) 1986-2019 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 /* No static variables are permitted as an error call may occur during
165 execution of this function. */
170 if (TYPE_NAME (type) && show <= 0)
175 switch (TYPE_CODE (type))
177 case TYPE_CODE_ARRAY:
178 arrayprint_recurse_level++;
180 if (arrayprint_recurse_level == 1)
181 fprintf_filtered (stream, "(");
183 if (type_not_associated (type))
184 val_print_not_associated (stream);
185 else if (type_not_allocated (type))
186 val_print_not_allocated (stream);
189 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY)
190 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
191 0, 0, arrayprint_recurse_level);
193 LONGEST lower_bound = f77_get_lowerbound (type);
195 if (lower_bound != 1) /* Not the default. */
196 fprintf_filtered (stream, "%s:", plongest (lower_bound));
198 /* Make sure that, if we have an assumed size array, we
199 print out a warning and print the upperbound as '*'. */
201 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
202 fprintf_filtered (stream, "*");
205 LONGEST upper_bound = f77_get_upperbound (type);
207 fputs_filtered (plongest (upper_bound), stream);
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, ")");
230 int i, nfields = TYPE_NFIELDS (type);
232 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
233 passed_a_ptr, 0, arrayprint_recurse_level);
235 fprintf_filtered (stream, ")");
236 fprintf_filtered (stream, "(");
237 if (nfields == 0 && TYPE_PROTOTYPED (type))
238 f_print_type (builtin_f_type (get_type_arch (type))->builtin_void,
239 "", stream, -1, 0, 0);
241 for (i = 0; i < nfields; i++)
245 fputs_filtered (", ", stream);
248 f_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, 0);
250 fprintf_filtered (stream, ")");
254 case TYPE_CODE_UNDEF:
255 case TYPE_CODE_STRUCT:
256 case TYPE_CODE_UNION:
261 case TYPE_CODE_ERROR:
265 case TYPE_CODE_RANGE:
266 case TYPE_CODE_STRING:
267 case TYPE_CODE_METHOD:
268 case TYPE_CODE_COMPLEX:
269 case TYPE_CODE_TYPEDEF:
270 /* These types do not need a suffix. They are listed so that
271 gcc -Wall will report types that may not have been considered. */
276 /* Print the name of the type (or the ultimate pointer target,
277 function value or array element), or the description of a
280 SHOW nonzero means don't print this type as just its name;
281 show its real definition even if it has a name.
282 SHOW zero means print just typename or struct tag if there is one
283 SHOW negative means abbreviate structure elements.
284 SHOW is decremented for printing of structure elements.
286 LEVEL is the depth to indent by.
287 We increase it for some recursive calls. */
290 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 const char *prefix = "";
310 if (TYPE_CODE (type) == TYPE_CODE_UNION)
311 prefix = "Type, C_Union :: ";
312 else if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
314 fprintfi_filtered (level, stream, "%s%s", prefix, TYPE_NAME (type));
318 if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
319 type = check_typedef (type);
321 switch (TYPE_CODE (type))
323 case TYPE_CODE_TYPEDEF:
324 f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
327 case TYPE_CODE_ARRAY:
328 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
331 if (TYPE_TARGET_TYPE (type) == NULL)
332 type_print_unknown_return_type (stream);
334 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
338 fprintfi_filtered (level, stream, "PTR TO -> ( ");
339 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0);
343 fprintfi_filtered (level, stream, "REF TO -> ( ");
344 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0);
349 gdbarch *gdbarch = get_type_arch (type);
350 struct type *void_type = builtin_f_type (gdbarch)->builtin_void;
351 fprintfi_filtered (level, stream, "%s", TYPE_NAME (void_type));
355 case TYPE_CODE_UNDEF:
356 fprintfi_filtered (level, stream, "struct <unknown>");
359 case TYPE_CODE_ERROR:
360 fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type));
363 case TYPE_CODE_RANGE:
364 /* This should not occur. */
365 fprintfi_filtered (level, stream, "<range type>");
370 /* There may be some character types that attempt to come
371 through as TYPE_CODE_INT since dbxstclass.h is so
372 C-oriented, we must change these to "character" from "char". */
374 if (strcmp (TYPE_NAME (type), "char") == 0)
375 fprintfi_filtered (level, stream, "character");
380 case TYPE_CODE_STRING:
381 /* Strings may have dynamic upperbounds (lengths) like arrays. */
383 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
384 fprintfi_filtered (level, stream, "character*(*)");
387 LONGEST upper_bound = f77_get_upperbound (type);
389 fprintf_filtered (stream, "character*%s", pulongest (upper_bound));
393 case TYPE_CODE_STRUCT:
394 case TYPE_CODE_UNION:
395 if (TYPE_CODE (type) == TYPE_CODE_UNION)
396 fprintfi_filtered (level, stream, "Type, C_Union :: ");
398 fprintfi_filtered (level, stream, "Type ");
399 fputs_filtered (TYPE_NAME (type), stream);
400 /* According to the definition,
401 we only print structure elements in case show > 0. */
404 fputs_filtered ("\n", stream);
405 for (index = 0; index < TYPE_NFIELDS (type); index++)
407 f_type_print_base (TYPE_FIELD_TYPE (type, index), stream,
408 show - 1, level + 4);
409 fputs_filtered (" :: ", stream);
410 fputs_filtered (TYPE_FIELD_NAME (type, index), stream);
411 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index),
412 stream, show - 1, 0, 0, 0);
413 fputs_filtered ("\n", stream);
415 fprintfi_filtered (level, stream, "End Type ");
416 fputs_filtered (TYPE_NAME (type), stream);
420 case TYPE_CODE_MODULE:
421 fprintfi_filtered (level, stream, "module %s", TYPE_NAME (type));
426 /* Handle types not explicitly handled by the other cases,
427 such as fundamental types. For these, just print whatever
428 the type name is, as recorded in the type itself. If there
429 is no type name, then complain. */
430 if (TYPE_NAME (type) != NULL)
431 fprintfi_filtered (level, stream, "%s", TYPE_NAME (type));
433 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type));