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, 2010, 2011
5 Free Software Foundation, Inc.
7 Contributed by Motorola. Adapted from the C version by Farooq Butt
8 (fmbutt@engage.sps.mot.com).
10 This file is part of GDB.
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 #include "gdb_obstack.h"
30 #include "expression.h"
36 #include "gdb_string.h"
39 #if 0 /* Currently unused. */
40 static void f_type_print_args (struct type
*, struct ui_file
*);
43 static void f_type_print_varspec_suffix (struct type
*, struct ui_file
*, int,
46 void f_type_print_varspec_prefix (struct type
*, struct ui_file
*,
49 void f_type_print_base (struct type
*, struct ui_file
*, int, int);
52 /* LEVEL is the depth to indent lines by. */
55 f_print_type (struct type
*type
, const char *varstring
, struct ui_file
*stream
,
61 f_type_print_base (type
, stream
, show
, level
);
62 code
= TYPE_CODE (type
);
63 if ((varstring
!= NULL
&& *varstring
!= '\0')
64 /* Need a space if going to print stars or brackets;
65 but not if we will print just a type name. */
66 || ((show
> 0 || TYPE_NAME (type
) == 0)
67 && (code
== TYPE_CODE_PTR
|| code
== TYPE_CODE_FUNC
68 || code
== TYPE_CODE_METHOD
69 || code
== TYPE_CODE_ARRAY
70 || code
== TYPE_CODE_REF
)))
71 fputs_filtered (" ", stream
);
72 f_type_print_varspec_prefix (type
, stream
, show
, 0);
74 if (varstring
!= NULL
)
76 fputs_filtered (varstring
, stream
);
78 /* For demangled function names, we have the arglist as part of the name,
79 so don't print an additional pair of ()'s. */
81 demangled_args
= varstring
[strlen (varstring
) - 1] == ')';
82 f_type_print_varspec_suffix (type
, stream
, show
, 0, demangled_args
, 0);
86 /* Print any asterisks or open-parentheses needed before the
87 variable name (to describe its type).
89 On outermost call, pass 0 for PASSED_A_PTR.
90 On outermost call, SHOW > 0 means should ignore
91 any typename for TYPE and show its details.
92 SHOW is always zero on recursive calls. */
95 f_type_print_varspec_prefix (struct type
*type
, struct ui_file
*stream
,
96 int show
, int passed_a_ptr
)
101 if (TYPE_NAME (type
) && show
<= 0)
106 switch (TYPE_CODE (type
))
109 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 1);
113 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
115 fprintf_filtered (stream
, "(");
118 case TYPE_CODE_ARRAY
:
119 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type
), stream
, 0, 0);
122 case TYPE_CODE_UNDEF
:
123 case TYPE_CODE_STRUCT
:
124 case TYPE_CODE_UNION
:
129 case TYPE_CODE_ERROR
:
133 case TYPE_CODE_RANGE
:
134 case TYPE_CODE_STRING
:
135 case TYPE_CODE_BITSTRING
:
136 case TYPE_CODE_METHOD
:
138 case TYPE_CODE_COMPLEX
:
139 case TYPE_CODE_TYPEDEF
:
140 /* These types need no prefix. They are listed here so that
141 gcc -Wall will reveal any types that haven't been handled. */
146 /* Print any array sizes, function arguments or close parentheses
147 needed after the variable name (to describe its type).
148 Args work like c_type_print_varspec_prefix. */
151 f_type_print_varspec_suffix (struct type
*type
, struct ui_file
*stream
,
152 int show
, int passed_a_ptr
, int demangled_args
,
153 int arrayprint_recurse_level
)
155 int upper_bound
, lower_bound
;
157 /* No static variables are permitted as an error call may occur during
158 execution of this function. */
163 if (TYPE_NAME (type
) && show
<= 0)
168 switch (TYPE_CODE (type
))
170 case TYPE_CODE_ARRAY
:
171 arrayprint_recurse_level
++;
173 if (arrayprint_recurse_level
== 1)
174 fprintf_filtered (stream
, "(");
176 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_ARRAY
)
177 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
178 arrayprint_recurse_level
);
180 lower_bound
= f77_get_lowerbound (type
);
181 if (lower_bound
!= 1) /* Not the default. */
182 fprintf_filtered (stream
, "%d:", lower_bound
);
184 /* Make sure that, if we have an assumed size array, we
185 print out a warning and print the upperbound as '*'. */
187 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
188 fprintf_filtered (stream
, "*");
191 upper_bound
= f77_get_upperbound (type
);
192 fprintf_filtered (stream
, "%d", upper_bound
);
195 if (TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_ARRAY
)
196 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 0, 0,
197 arrayprint_recurse_level
);
198 if (arrayprint_recurse_level
== 1)
199 fprintf_filtered (stream
, ")");
201 fprintf_filtered (stream
, ",");
202 arrayprint_recurse_level
--;
207 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0, 1, 0,
208 arrayprint_recurse_level
);
209 fprintf_filtered (stream
, ")");
213 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type
), stream
, 0,
214 passed_a_ptr
, 0, arrayprint_recurse_level
);
216 fprintf_filtered (stream
, ")");
218 fprintf_filtered (stream
, "()");
221 case TYPE_CODE_UNDEF
:
222 case TYPE_CODE_STRUCT
:
223 case TYPE_CODE_UNION
:
228 case TYPE_CODE_ERROR
:
232 case TYPE_CODE_RANGE
:
233 case TYPE_CODE_STRING
:
234 case TYPE_CODE_BITSTRING
:
235 case TYPE_CODE_METHOD
:
236 case TYPE_CODE_COMPLEX
:
237 case TYPE_CODE_TYPEDEF
:
238 /* These types do not need a suffix. They are listed so that
239 gcc -Wall will report types that may not have been considered. */
244 /* Print the name of the type (or the ultimate pointer target,
245 function value or array element), or the description of a
248 SHOW nonzero means don't print this type as just its name;
249 show its real definition even if it has a name.
250 SHOW zero means print just typename or struct tag if there is one
251 SHOW negative means abbreviate structure elements.
252 SHOW is decremented for printing of structure elements.
254 LEVEL is the depth to indent by.
255 We increase it for some recursive calls. */
258 f_type_print_base (struct type
*type
, struct ui_file
*stream
, int show
,
269 fputs_filtered ("<type unknown>", stream
);
273 /* When SHOW is zero or less, and there is a valid type name, then always
274 just print the type name directly from the type. */
276 if ((show
<= 0) && (TYPE_NAME (type
) != NULL
))
278 fputs_filtered (TYPE_NAME (type
), stream
);
282 if (TYPE_CODE (type
) != TYPE_CODE_TYPEDEF
)
283 CHECK_TYPEDEF (type
);
285 switch (TYPE_CODE (type
))
287 case TYPE_CODE_TYPEDEF
:
288 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
291 case TYPE_CODE_ARRAY
:
293 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, show
, level
);
297 fprintf_filtered (stream
, "PTR TO -> ( ");
298 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
302 fprintf_filtered (stream
, "REF TO -> ( ");
303 f_type_print_base (TYPE_TARGET_TYPE (type
), stream
, 0, level
);
307 fprintfi_filtered (level
, stream
, "VOID");
310 case TYPE_CODE_UNDEF
:
311 fprintfi_filtered (level
, stream
, "struct <unknown>");
314 case TYPE_CODE_ERROR
:
315 fprintfi_filtered (level
, stream
, "%s", TYPE_ERROR_NAME (type
));
318 case TYPE_CODE_RANGE
:
319 /* This should not occur. */
320 fprintfi_filtered (level
, stream
, "<range type>");
324 /* Override name "char" and make it "character". */
325 fprintfi_filtered (level
, stream
, "character");
329 /* There may be some character types that attempt to come
330 through as TYPE_CODE_INT since dbxstclass.h is so
331 C-oriented, we must change these to "character" from "char". */
333 if (strcmp (TYPE_NAME (type
), "char") == 0)
334 fprintfi_filtered (level
, stream
, "character");
339 case TYPE_CODE_STRING
:
340 /* Strings may have dynamic upperbounds (lengths) like arrays. */
342 if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type
))
343 fprintfi_filtered (level
, stream
, "character*(*)");
346 upper_bound
= f77_get_upperbound (type
);
347 fprintf_filtered (stream
, "character*%d", upper_bound
);
351 case TYPE_CODE_STRUCT
:
352 case TYPE_CODE_UNION
:
353 if (TYPE_CODE (type
) == TYPE_CODE_UNION
)
354 fprintfi_filtered (level
, stream
, "Type, C_Union :: ");
356 fprintfi_filtered (level
, stream
, "Type ");
357 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
358 fputs_filtered ("\n", stream
);
359 for (index
= 0; index
< TYPE_NFIELDS (type
); index
++)
361 f_type_print_base (TYPE_FIELD_TYPE (type
, index
), stream
, show
,
363 fputs_filtered (" :: ", stream
);
364 fputs_filtered (TYPE_FIELD_NAME (type
, index
), stream
);
365 f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type
, index
),
367 fputs_filtered ("\n", stream
);
369 fprintfi_filtered (level
, stream
, "End Type ");
370 fputs_filtered (TYPE_TAG_NAME (type
), stream
);
373 case TYPE_CODE_MODULE
:
374 fprintfi_filtered (level
, stream
, "module %s", TYPE_TAG_NAME (type
));
379 /* Handle types not explicitly handled by the other cases,
380 such as fundamental types. For these, just print whatever
381 the type name is, as recorded in the type itself. If there
382 is no type name, then complain. */
383 if (TYPE_NAME (type
) != NULL
)
384 fprintfi_filtered (level
, stream
, "%s", TYPE_NAME (type
));
386 error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type
));
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