1 /* Support for printing Fortran types for GDB, the GNU debugger.
2 Copyright 1986, 1988, 1989, 1991, 1993, 1994 Free Software Foundation, Inc.
3 Contributed by Motorola. Adapted from the C version by Farooq Butt
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
27 #include "expression.h"
36 #include "typeprint.h"
37 #include "frame.h" /* ??? */
42 static void f_type_print_args PARAMS ((struct type *, FILE *));
44 static void f_type_print_varspec_suffix PARAMS ((struct type *, FILE *,
47 void f_type_print_varspec_prefix PARAMS ((struct type *, FILE *, int, int));
49 void f_type_print_base PARAMS ((struct type *, FILE *, int, int));
52 /* LEVEL is the depth to indent lines by. */
55 f_print_type (type, varstring, stream, show, level)
62 register enum type_code code;
65 f_type_print_base (type, stream, show, level);
66 code = TYPE_CODE (type);
67 if ((varstring != NULL && *varstring != '\0')
69 /* Need a space if going to print stars or brackets;
70 but not if we will print just a type name. */
71 ((show > 0 || TYPE_NAME (type) == 0)
73 (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
74 || code == TYPE_CODE_METHOD
75 || code == TYPE_CODE_ARRAY
76 || code == TYPE_CODE_MEMBER
77 || code == TYPE_CODE_REF)))
78 fputs_filtered (" ", stream);
79 f_type_print_varspec_prefix (type, stream, show, 0);
81 fputs_filtered (varstring, stream);
83 /* For demangled function names, we have the arglist as part of the name,
84 so don't print an additional pair of ()'s */
86 demangled_args = varstring[strlen(varstring) - 1] == ')';
87 f_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
90 /* Print any asterisks or open-parentheses needed before the
91 variable name (to describe its type).
93 On outermost call, pass 0 for PASSED_A_PTR.
94 On outermost call, SHOW > 0 means should ignore
95 any typename for TYPE and show its details.
96 SHOW is always zero on recursive calls. */
99 f_type_print_varspec_prefix (type, stream, show, passed_a_ptr)
108 if (TYPE_NAME (type) && show <= 0)
113 switch (TYPE_CODE (type))
116 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
120 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
122 fprintf_filtered (stream, "(");
125 case TYPE_CODE_ARRAY:
126 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
129 case TYPE_CODE_UNDEF:
130 case TYPE_CODE_STRUCT:
131 case TYPE_CODE_UNION:
136 case TYPE_CODE_ERROR:
140 case TYPE_CODE_RANGE:
141 case TYPE_CODE_STRING:
142 case TYPE_CODE_BITSTRING:
143 case TYPE_CODE_METHOD:
144 case TYPE_CODE_MEMBER:
146 case TYPE_CODE_COMPLEX:
147 case TYPE_CODE_LITERAL_COMPLEX:
148 case TYPE_CODE_LITERAL_STRING:
149 /* These types need no prefix. They are listed here so that
150 gcc -Wall will reveal any types that haven't been handled. */
156 f_type_print_args (type, stream)
163 fprintf_filtered (stream, "(");
164 args = TYPE_ARG_TYPES (type);
169 fprintf_filtered (stream, "...");
173 for (i = 1; args[i] != NULL && args[i]->code != TYPE_CODE_VOID; i++)
175 f_print_type (args[i], "", stream, -1, 0);
176 if (args[i+1] == NULL)
177 fprintf_filtered (stream, "...");
178 else if (args[i+1]->code != TYPE_CODE_VOID)
180 fprintf_filtered (stream, ",");
186 fprintf_filtered (stream, ")");
189 /* Print any array sizes, function arguments or close parentheses
190 needed after the variable name (to describe its type).
191 Args work like c_type_print_varspec_prefix. */
194 f_type_print_varspec_suffix (type, stream, show, passed_a_ptr, demangled_args)
201 int upper_bound, lower_bound;
202 int lower_bound_was_default = 0;
203 static int arrayprint_recurse_level = 0;
209 if (TYPE_NAME (type) && show <= 0)
214 switch (TYPE_CODE (type))
216 case TYPE_CODE_ARRAY:
217 arrayprint_recurse_level++;
219 if (arrayprint_recurse_level == 1)
220 fprintf_filtered(stream,"(");
222 fprintf_filtered(stream,",");
224 retcode = f77_get_dynamic_lowerbound (type,&lower_bound);
226 lower_bound_was_default = 0;
228 if (retcode == BOUND_FETCH_ERROR)
229 fprintf_filtered (stream,"???");
231 if (lower_bound == 1) /* The default */
232 lower_bound_was_default = 1;
234 fprintf_filtered (stream,"%d",lower_bound);
236 if (lower_bound_was_default)
237 lower_bound_was_default = 0;
239 fprintf_filtered(stream,":");
241 /* Make sure that, if we have an assumed size array, we
242 print out a warning and print the upperbound as '*' */
244 if (TYPE_ARRAY_UPPER_BOUND_TYPE(type) == BOUND_CANNOT_BE_DETERMINED)
245 fprintf_filtered (stream, "*");
248 retcode = f77_get_dynamic_upperbound(type,&upper_bound);
250 if (retcode == BOUND_FETCH_ERROR)
251 fprintf_filtered(stream,"???");
253 fprintf_filtered(stream,"%d",upper_bound);
256 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
257 if (arrayprint_recurse_level == 1)
258 fprintf_filtered (stream, ")");
259 arrayprint_recurse_level--;
264 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0);
265 fprintf_filtered(stream,")");
269 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
272 fprintf_filtered (stream, ")");
274 fprintf_filtered (stream, "()");
277 case TYPE_CODE_UNDEF:
278 case TYPE_CODE_STRUCT:
279 case TYPE_CODE_UNION:
284 case TYPE_CODE_ERROR:
288 case TYPE_CODE_RANGE:
289 case TYPE_CODE_STRING:
290 case TYPE_CODE_BITSTRING:
291 case TYPE_CODE_METHOD:
292 case TYPE_CODE_MEMBER:
293 case TYPE_CODE_COMPLEX:
294 case TYPE_CODE_LITERAL_COMPLEX:
295 case TYPE_CODE_LITERAL_STRING:
296 /* These types do not need a suffix. They are listed so that
297 gcc -Wall will report types that may not have been considered. */
303 print_equivalent_f77_float_type (type, stream)
307 /* Override type name "float" and make it the
308 appropriate real. XLC stupidly outputs -12 as a type
309 for real when it really should be outputting -18 */
311 switch (TYPE_LENGTH (type))
314 fprintf_filtered (stream, "real*4");
318 fprintf_filtered(stream,"real*8");
323 /* Print the name of the type (or the ultimate pointer target,
324 function value or array element), or the description of a
327 SHOW nonzero means don't print this type as just its name;
328 show its real definition even if it has a name.
329 SHOW zero means print just typename or struct tag if there is one
330 SHOW negative means abbreviate structure elements.
331 SHOW is decremented for printing of structure elements.
333 LEVEL is the depth to indent by.
334 We increase it for some recursive calls. */
337 f_type_print_base (type, stream, show, level)
351 fputs_filtered ("<type unknown>", stream);
355 /* When SHOW is zero or less, and there is a valid type name, then always
356 just print the type name directly from the type. */
358 if ((show <= 0) && (TYPE_NAME (type) != NULL))
360 if (TYPE_CODE (type) == TYPE_CODE_FLT)
361 print_equivalent_f77_float_type (type, stream);
363 fputs_filtered (TYPE_NAME (type), stream);
367 switch (TYPE_CODE (type))
369 case TYPE_CODE_ARRAY:
370 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
374 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
378 fprintf_filtered (stream, "PTR TO -> ( ");
379 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
383 fprintf_filtered (stream, "VOID");
386 case TYPE_CODE_UNDEF:
387 fprintf_filtered (stream, "struct <unknown>");
390 case TYPE_CODE_ERROR:
391 fprintf_filtered (stream, "<unknown type>");
394 case TYPE_CODE_RANGE:
395 /* This should not occur */
396 fprintf_filtered (stream, "<range type>");
400 /* Override name "char" and make it "character" */
401 fprintf_filtered (stream, "character");
405 /* There may be some character types that attempt to come
406 through as TYPE_CODE_INT since dbxstclass.h is so
407 C-oriented, we must change these to "character" from "char". */
409 if (STREQ (TYPE_NAME (type), "char"))
410 fprintf_filtered (stream, "character");
415 case TYPE_CODE_COMPLEX:
416 case TYPE_CODE_LITERAL_COMPLEX:
417 fprintf_filtered (stream, "complex*");
418 fprintf_filtered (stream, "%d", TYPE_LENGTH (type));
422 print_equivalent_f77_float_type (type, stream);
425 case TYPE_CODE_LITERAL_STRING:
426 fprintf_filtered (stream, "character*%d",
427 TYPE_ARRAY_UPPER_BOUND_VALUE (type));
430 case TYPE_CODE_STRING:
431 /* Strings may have dynamic upperbounds (lengths) like arrays. */
433 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
434 fprintf_filtered ("character*(*)");
437 retcode = f77_get_dynamic_upperbound (type, &upper_bound);
439 if (retcode == BOUND_FETCH_ERROR)
440 fprintf_filtered (stream, "character*???");
442 fprintf_filtered (stream, "character*%d", upper_bound);
448 /* Handle types not explicitly handled by the other cases,
449 such as fundamental types. For these, just print whatever
450 the type name is, as recorded in the type itself. If there
451 is no type name, then complain. */
452 if (TYPE_NAME (type) != NULL)
453 fputs_filtered (TYPE_NAME (type), stream);
455 error ("Invalid type code (%d) in symbol table.", TYPE_CODE (type));