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, ")");
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,
283 fputs_filtered ("<type unknown>", stream);
287 /* When SHOW is zero or less, and there is a valid type name, then always
288 just print the type name directly from the type. */
290 if ((show <= 0) && (TYPE_NAME (type) != NULL))
292 const char *prefix = "";
293 if (TYPE_CODE (type) == TYPE_CODE_UNION)
294 prefix = "Type, C_Union :: ";
295 else if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
297 fprintfi_filtered (level, stream, "%s%s", prefix, TYPE_NAME (type));
301 if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
302 type = check_typedef (type);
304 switch (TYPE_CODE (type))
306 case TYPE_CODE_TYPEDEF:
307 f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
310 case TYPE_CODE_ARRAY:
311 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
314 if (TYPE_TARGET_TYPE (type) == NULL)
315 type_print_unknown_return_type (stream);
317 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
321 fprintfi_filtered (level, stream, "PTR TO -> ( ");
322 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0);
326 fprintfi_filtered (level, stream, "REF TO -> ( ");
327 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0);
332 gdbarch *gdbarch = get_type_arch (type);
333 struct type *void_type = builtin_f_type (gdbarch)->builtin_void;
334 fprintfi_filtered (level, stream, "%s", TYPE_NAME (void_type));
338 case TYPE_CODE_UNDEF:
339 fprintfi_filtered (level, stream, "struct <unknown>");
342 case TYPE_CODE_ERROR:
343 fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type));
346 case TYPE_CODE_RANGE:
347 /* This should not occur. */
348 fprintfi_filtered (level, stream, "<range type>");
353 /* There may be some character types that attempt to come
354 through as TYPE_CODE_INT since dbxstclass.h is so
355 C-oriented, we must change these to "character" from "char". */
357 if (strcmp (TYPE_NAME (type), "char") == 0)
358 fprintfi_filtered (level, stream, "character");
363 case TYPE_CODE_STRING:
364 /* Strings may have dynamic upperbounds (lengths) like arrays. */
366 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type))
367 fprintfi_filtered (level, stream, "character*(*)");
370 LONGEST upper_bound = f77_get_upperbound (type);
372 fprintf_filtered (stream, "character*%s", pulongest (upper_bound));
376 case TYPE_CODE_STRUCT:
377 case TYPE_CODE_UNION:
378 if (TYPE_CODE (type) == TYPE_CODE_UNION)
379 fprintfi_filtered (level, stream, "Type, C_Union :: ");
381 fprintfi_filtered (level, stream, "Type ");
382 fputs_filtered (TYPE_NAME (type), stream);
383 /* According to the definition,
384 we only print structure elements in case show > 0. */
387 fputs_filtered ("\n", stream);
388 for (index = 0; index < TYPE_NFIELDS (type); index++)
390 f_type_print_base (TYPE_FIELD_TYPE (type, index), stream,
391 show - 1, level + 4);
392 fputs_filtered (" :: ", stream);
393 fputs_filtered (TYPE_FIELD_NAME (type, index), stream);
394 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index),
395 stream, show - 1, 0, 0, 0);
396 fputs_filtered ("\n", stream);
398 fprintfi_filtered (level, stream, "End Type ");
399 fputs_filtered (TYPE_NAME (type), stream);
403 case TYPE_CODE_MODULE:
404 fprintfi_filtered (level, stream, "module %s", TYPE_NAME (type));
409 /* Handle types not explicitly handled by the other cases,
410 such as fundamental types. For these, just print whatever
411 the type name is, as recorded in the type itself. If there
412 is no type name, then complain. */
413 if (TYPE_NAME (type) != NULL)
414 fprintfi_filtered (level, stream, "%s", TYPE_NAME (type));
416 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type));