1 /* Support for printing Fortran types for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000,
4 2001, 2002, 2003, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
6 Contributed by Motorola. Adapted from the C version by Farooq Butt
7 (fmbutt@engage.sps.mot.com).
9 This file is part of GDB.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "gdb_obstack.h"
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 f_type_print_varspec_suffix (struct type
*, struct ui_file
*, int,
45 void f_type_print_varspec_prefix (struct type
*, struct ui_file
*,
48 void f_type_print_base (struct type
*, struct ui_file
*, int, int);
51 /* LEVEL is the depth to indent lines by. */
54 f_print_type (struct type
*type
, char *varstring
, struct ui_file
*stream
,
60 f_type_print_base (type
, stream
, show
, level
);
61 code
= TYPE_CODE (type
);
62 if ((varstring
!= NULL
&& *varstring
!= '\0')
63 /* Need a space if going to print stars or brackets;
64 but not if we will print just a type name. */
65 || ((show
> 0 || TYPE_NAME (type
) == 0)
66 && (code
== TYPE_CODE_PTR
|| code
== TYPE_CODE_FUNC
67 || code
== TYPE_CODE_METHOD
68 || code
== TYPE_CODE_ARRAY
69 || code
== TYPE_CODE_REF
)))
70 fputs_filtered (" ", stream
);
71 f_type_print_varspec_prefix (type
, stream
, show
, 0);
73 if (varstring
!= NULL
)
75 fputs_filtered (varstring
, stream
);
77 /* For demangled function names, we have the arglist as part of the name,
78 so don't print an additional pair of ()'s */
80 demangled_args
= varstring
[strlen (varstring
) - 1] == ')';
81 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
, 0);
85 /* Print any asterisks or open-parentheses needed before the
86 variable name (to describe its type).
88 On outermost call, pass 0 for PASSED_A_PTR.
89 On outermost call, SHOW > 0 means should ignore
90 any typename for TYPE and show its details.
91 SHOW is always zero on recursive calls. */
94 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
95 int show
, int passed_a_ptr
)
100 if (TYPE_NAME (type
) && show
<= 0)
105 switch (TYPE_CODE (type
))
108 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
112 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
114 fprintf_filtered (stream
, "(");
117 case TYPE_CODE_ARRAY
:
118 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
121 case TYPE_CODE_UNDEF
:
122 case TYPE_CODE_STRUCT
:
123 case TYPE_CODE_UNION
:
128 case TYPE_CODE_ERROR
:
132 case TYPE_CODE_RANGE
:
133 case TYPE_CODE_STRING
:
134 case TYPE_CODE_BITSTRING
:
135 case TYPE_CODE_METHOD
:
137 case TYPE_CODE_COMPLEX
:
138 case TYPE_CODE_TYPEDEF
:
139 /* These types need no prefix. They are listed here so that
140 gcc -Wall will reveal any types that haven't been handled. */
145 /* Print any array sizes, function arguments or close parentheses
146 needed after the variable name (to describe its type).
147 Args work like c_type_print_varspec_prefix. */
150 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
151 int show
, int passed_a_ptr
, int demangled_args
,
152 int arrayprint_recurse_level
)
154 int upper_bound
, lower_bound
;
156 /* No static variables are permitted as an error call may occur during
157 execution of this function. */
162 if (TYPE_NAME (type
) && show
<= 0)
167 switch (TYPE_CODE (type
))
169 case TYPE_CODE_ARRAY
:
170 arrayprint_recurse_level
++;
172 if (arrayprint_recurse_level
== 1)
173 fprintf_filtered (stream
, "(");
175 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
176 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
177 arrayprint_recurse_level
);
179 lower_bound
= f77_get_lowerbound (type
);
180 if (lower_bound
!= 1) /* Not the default. */
181 fprintf_filtered (stream
, "%d:", lower_bound
);
183 /* Make sure that, if we have an assumed size array, we
184 print out a warning and print the upperbound as '*' */
186 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
187 fprintf_filtered (stream
, "*");
190 upper_bound
= f77_get_upperbound (type
);
191 fprintf_filtered (stream
, "%d", upper_bound
);
194 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
195 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
196 arrayprint_recurse_level
);
197 if (arrayprint_recurse_level
== 1)
198 fprintf_filtered (stream
, ")");
200 fprintf_filtered (stream
, ",");
201 arrayprint_recurse_level
--;
206 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0,
207 arrayprint_recurse_level
);
208 fprintf_filtered (stream
, ")");
212 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
213 passed_a_ptr
, 0, arrayprint_recurse_level
);
215 fprintf_filtered (stream
, ")");
217 fprintf_filtered (stream
, "()");
220 case TYPE_CODE_UNDEF
:
221 case TYPE_CODE_STRUCT
:
222 case TYPE_CODE_UNION
:
227 case TYPE_CODE_ERROR
:
231 case TYPE_CODE_RANGE
:
232 case TYPE_CODE_STRING
:
233 case TYPE_CODE_BITSTRING
:
234 case TYPE_CODE_METHOD
:
235 case TYPE_CODE_COMPLEX
:
236 case TYPE_CODE_TYPEDEF
:
237 /* These types do not need a suffix. They are listed so that
238 gcc -Wall will report types that may not have been considered. */
243 /* Print the name of the type (or the ultimate pointer target,
244 function value or array element), or the description of a
247 SHOW nonzero means don't print this type as just its name;
248 show its real definition even if it has a name.
249 SHOW zero means print just typename or struct tag if there is one
250 SHOW negative means abbreviate structure elements.
251 SHOW is decremented for printing of structure elements.
253 LEVEL is the depth to indent by.
254 We increase it for some recursive calls. */
257 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
270 fputs_filtered ("<type unknown>", stream
);
274 /* When SHOW is zero or less, and there is a valid type name, then always
275 just print the type name directly from the type. */
277 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
279 fputs_filtered (TYPE_NAME (type
), stream
);
283 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
284 CHECK_TYPEDEF (type
);
286 switch (TYPE_CODE (type
))
288 case TYPE_CODE_TYPEDEF
:
289 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
292 case TYPE_CODE_ARRAY
:
294 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
298 fprintf_filtered (stream
, "PTR TO -> ( ");
299 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
303 fprintf_filtered (stream
, "REF TO -> ( ");
304 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
308 fprintfi_filtered (level
, stream
, "VOID");
311 case TYPE_CODE_UNDEF
:
312 fprintfi_filtered (level
, stream
, "struct <unknown>");
315 case TYPE_CODE_ERROR
:
316 fprintfi_filtered (level
, stream
, "<unknown type>");
319 case TYPE_CODE_RANGE
:
320 /* This should not occur */
321 fprintfi_filtered (level
, stream
, "<range type>");
325 /* Override name "char" and make it "character" */
326 fprintfi_filtered (level
, stream
, "character");
330 /* There may be some character types that attempt to come
331 through as TYPE_CODE_INT since dbxstclass.h is so
332 C-oriented, we must change these to "character" from "char". */
334 if (strcmp (TYPE_NAME (type
), "char") == 0)
335 fprintfi_filtered (level
, stream
, "character");
340 case TYPE_CODE_STRING
:
341 /* Strings may have dynamic upperbounds (lengths) like arrays. */
343 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
344 fprintfi_filtered (level
, stream
, "character*(*)");
347 upper_bound
= f77_get_upperbound (type
);
348 fprintf_filtered (stream
, "character*%d", upper_bound
);
352 case TYPE_CODE_STRUCT
:
353 case TYPE_CODE_UNION
:
354 if (TYPE_CODE (type
) == TYPE_CODE_UNION
)
355 fprintfi_filtered (level
, stream
, "Type, C_Union :: ");
357 fprintfi_filtered (level
, stream
, "Type ");
358 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
359 fputs_filtered ("\n", stream
);
360 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
362 f_type_print_base (TYPE_FIELD_TYPE (type
, index
), stream
, show
,
364 fputs_filtered (" :: ", stream
);
365 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
366 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type
, index
),
368 fputs_filtered ("\n", stream
);
370 fprintfi_filtered (level
, stream
, "End Type ");
371 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
376 /* Handle types not explicitly handled by the other cases,
377 such as fundamental types. For these, just print whatever
378 the type name is, as recorded in the type itself. If there
379 is no type name, then complain. */
380 if (TYPE_NAME (type
) != NULL
)
381 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
383 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));
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