1 /* Support for printing Fortran types for GDB, the GNU debugger.
2 Copyright 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000
3 Free Software Foundation, Inc.
4 Contributed by Motorola. Adapted from the C version by Farooq Butt
5 (fmbutt@engage.sps.mot.com).
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
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 print_equivalent_f77_float_type (struct type *,
45 static void f_type_print_varspec_suffix (struct type *, struct ui_file *,
48 void f_type_print_varspec_prefix (struct type *, struct ui_file *,
51 void f_type_print_base (struct type *, struct ui_file *, int, int);
54 /* LEVEL is the depth to indent lines by. */
57 f_print_type (struct type *type, char *varstring, struct ui_file *stream,
60 register enum type_code code;
63 f_type_print_base (type, stream, show, level);
64 code = TYPE_CODE (type);
65 if ((varstring != NULL && *varstring != '\0')
67 /* Need a space if going to print stars or brackets;
68 but not if we will print just a type name. */
69 ((show > 0 || TYPE_NAME (type) == 0)
71 (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
72 || code == TYPE_CODE_METHOD
73 || code == TYPE_CODE_ARRAY
74 || code == TYPE_CODE_MEMBER
75 || code == TYPE_CODE_REF)))
76 fputs_filtered (" ", stream);
77 f_type_print_varspec_prefix (type, stream, show, 0);
79 fputs_filtered (varstring, stream);
81 /* For demangled function names, we have the arglist as part of the name,
82 so don't print an additional pair of ()'s */
84 demangled_args = varstring[strlen (varstring) - 1] == ')';
85 f_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
88 /* Print any asterisks or open-parentheses needed before the
89 variable name (to describe its type).
91 On outermost call, pass 0 for PASSED_A_PTR.
92 On outermost call, SHOW > 0 means should ignore
93 any typename for TYPE and show its details.
94 SHOW is always zero on recursive calls. */
97 f_type_print_varspec_prefix (struct type *type, struct ui_file *stream,
98 int show, int passed_a_ptr)
103 if (TYPE_NAME (type) && show <= 0)
108 switch (TYPE_CODE (type))
111 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
115 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
117 fprintf_filtered (stream, "(");
120 case TYPE_CODE_ARRAY:
121 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
124 case TYPE_CODE_UNDEF:
125 case TYPE_CODE_STRUCT:
126 case TYPE_CODE_UNION:
131 case TYPE_CODE_ERROR:
135 case TYPE_CODE_RANGE:
136 case TYPE_CODE_STRING:
137 case TYPE_CODE_BITSTRING:
138 case TYPE_CODE_METHOD:
139 case TYPE_CODE_MEMBER:
141 case TYPE_CODE_COMPLEX:
142 case TYPE_CODE_TYPEDEF:
143 /* These types need no prefix. They are listed here so that
144 gcc -Wall will reveal any types that haven't been handled. */
149 /* Print any array sizes, function arguments or close parentheses
150 needed after the variable name (to describe its type).
151 Args work like c_type_print_varspec_prefix. */
154 f_type_print_varspec_suffix (struct type *type, struct ui_file *stream,
155 int show, int passed_a_ptr, int demangled_args)
157 int upper_bound, lower_bound;
158 int lower_bound_was_default = 0;
159 static int arrayprint_recurse_level = 0;
165 if (TYPE_NAME (type) && show <= 0)
170 switch (TYPE_CODE (type))
172 case TYPE_CODE_ARRAY:
173 arrayprint_recurse_level++;
175 if (arrayprint_recurse_level == 1)
176 fprintf_filtered (stream, "(");
178 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY)
179 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
181 retcode = f77_get_dynamic_lowerbound (type, &lower_bound);
183 lower_bound_was_default = 0;
185 if (retcode == BOUND_FETCH_ERROR)
186 fprintf_filtered (stream, "???");
187 else if (lower_bound == 1) /* The default */
188 lower_bound_was_default = 1;
190 fprintf_filtered (stream, "%d", lower_bound);
192 if (lower_bound_was_default)
193 lower_bound_was_default = 0;
195 fprintf_filtered (stream, ":");
197 /* Make sure that, if we have an assumed size array, we
198 print out a warning and print the upperbound as '*' */
200 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
201 fprintf_filtered (stream, "*");
204 retcode = f77_get_dynamic_upperbound (type, &upper_bound);
206 if (retcode == BOUND_FETCH_ERROR)
207 fprintf_filtered (stream, "???");
209 fprintf_filtered (stream, "%d", upper_bound);
212 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY)
213 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
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 fprintf_filtered (stream, ")");
228 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
231 fprintf_filtered (stream, ")");
233 fprintf_filtered (stream, "()");
236 case TYPE_CODE_UNDEF:
237 case TYPE_CODE_STRUCT:
238 case TYPE_CODE_UNION:
243 case TYPE_CODE_ERROR:
247 case TYPE_CODE_RANGE:
248 case TYPE_CODE_STRING:
249 case TYPE_CODE_BITSTRING:
250 case TYPE_CODE_METHOD:
251 case TYPE_CODE_MEMBER:
252 case TYPE_CODE_COMPLEX:
253 case TYPE_CODE_TYPEDEF:
254 /* These types do not need a suffix. They are listed so that
255 gcc -Wall will report types that may not have been considered. */
261 print_equivalent_f77_float_type (struct type *type, struct ui_file *stream)
263 /* Override type name "float" and make it the
264 appropriate real. XLC stupidly outputs -12 as a type
265 for real when it really should be outputting -18 */
267 fprintf_filtered (stream, "real*%d", TYPE_LENGTH (type));
270 /* Print the name of the type (or the ultimate pointer target,
271 function value or array element), or the description of a
274 SHOW nonzero means don't print this type as just its name;
275 show its real definition even if it has a name.
276 SHOW zero means print just typename or struct tag if there is one
277 SHOW negative means abbreviate structure elements.
278 SHOW is decremented for printing of structure elements.
280 LEVEL is the depth to indent by.
281 We increase it for some recursive calls. */
284 f_type_print_base (struct type *type, struct ui_file *stream, int show,
295 fputs_filtered ("<type unknown>", stream);
299 /* When SHOW is zero or less, and there is a valid type name, then always
300 just print the type name directly from the type. */
302 if ((show <= 0) && (TYPE_NAME (type) != NULL))
304 if (TYPE_CODE (type) == TYPE_CODE_FLT)
305 print_equivalent_f77_float_type (type, stream);
307 fputs_filtered (TYPE_NAME (type), stream);
311 if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
312 CHECK_TYPEDEF (type);
314 switch (TYPE_CODE (type))
316 case TYPE_CODE_TYPEDEF:
317 f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
320 case TYPE_CODE_ARRAY:
322 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
326 fprintf_filtered (stream, "PTR TO -> ( ");
327 f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
331 fprintf_filtered (stream, "VOID");
334 case TYPE_CODE_UNDEF:
335 fprintf_filtered (stream, "struct <unknown>");
338 case TYPE_CODE_ERROR:
339 fprintf_filtered (stream, "<unknown type>");
342 case TYPE_CODE_RANGE:
343 /* This should not occur */
344 fprintf_filtered (stream, "<range type>");
348 /* Override name "char" and make it "character" */
349 fprintf_filtered (stream, "character");
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 (STREQ (TYPE_NAME (type), "char"))
358 fprintf_filtered (stream, "character");
363 case TYPE_CODE_COMPLEX:
364 fprintf_filtered (stream, "complex*%d", TYPE_LENGTH (type));
368 print_equivalent_f77_float_type (type, stream);
371 case TYPE_CODE_STRING:
372 /* Strings may have dynamic upperbounds (lengths) like arrays. */
374 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
375 fprintf_filtered (stream, "character*(*)");
378 retcode = f77_get_dynamic_upperbound (type, &upper_bound);
380 if (retcode == BOUND_FETCH_ERROR)
381 fprintf_filtered (stream, "character*???");
383 fprintf_filtered (stream, "character*%d", upper_bound);
389 /* Handle types not explicitly handled by the other cases,
390 such as fundamental types. For these, just print whatever
391 the type name is, as recorded in the type itself. If there
392 is no type name, then complain. */
393 if (TYPE_NAME (type) != NULL)
394 fputs_filtered (TYPE_NAME (type), stream);
396 error ("Invalid type code (%d) in symbol table.", TYPE_CODE (type));