1 /* Fortran language support routines for GDB, the GNU debugger.
3 Copyright (C) 1993-1996, 1998-2005, 2007-2012 Free Software
6 Contributed by Motorola. Adapted from the C parser 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_string.h"
28 #include "expression.h"
29 #include "parser-defs.h"
34 #include "cp-support.h"
41 extern void _initialize_f_language (void);
43 static void f_printchar (int c
, struct type
*type
, struct ui_file
* stream
);
44 static void f_emit_char (int c
, struct type
*type
,
45 struct ui_file
* stream
, int quoter
);
47 /* Return the encoding that should be used for the character type
51 f_get_encoding (struct type
*type
)
55 switch (TYPE_LENGTH (type
))
58 encoding
= target_charset (get_type_arch (type
));
61 if (gdbarch_byte_order (get_type_arch (type
)) == BFD_ENDIAN_BIG
)
62 encoding
= "UTF-32BE";
64 encoding
= "UTF-32LE";
68 error (_("unrecognized character type"));
74 /* Print the character C on STREAM as part of the contents of a literal
75 string whose delimiter is QUOTER. Note that that format for printing
76 characters and strings is language specific.
77 FIXME: This is a copy of the same function from c-exp.y. It should
78 be replaced with a true F77 version. */
81 f_emit_char (int c
, struct type
*type
, struct ui_file
*stream
, int quoter
)
83 const char *encoding
= f_get_encoding (type
);
85 generic_emit_char (c
, type
, stream
, quoter
, encoding
);
88 /* Implementation of la_printchar. */
91 f_printchar (int c
, struct type
*type
, struct ui_file
*stream
)
93 fputs_filtered ("'", stream
);
94 LA_EMIT_CHAR (c
, type
, stream
, '\'');
95 fputs_filtered ("'", stream
);
98 /* Print the character string STRING, printing at most LENGTH characters.
99 Printing stops early if the number hits print_max; repeat counts
100 are printed as appropriate. Print ellipses at the end if we
101 had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
102 FIXME: This is a copy of the same function from c-exp.y. It should
103 be replaced with a true F77 version. */
106 f_printstr (struct ui_file
*stream
, struct type
*type
, const gdb_byte
*string
,
107 unsigned int length
, const char *encoding
, int force_ellipses
,
108 const struct value_print_options
*options
)
110 const char *type_encoding
= f_get_encoding (type
);
112 if (TYPE_LENGTH (type
) == 4)
113 fputs_filtered ("4_", stream
);
115 if (!encoding
|| !*encoding
)
116 encoding
= type_encoding
;
118 generic_printstr (stream
, type
, string
, length
, encoding
,
119 force_ellipses
, '\'', 0, options
);
123 /* Table of operators and their precedences for printing expressions. */
125 static const struct op_print f_op_print_tab
[] =
127 {"+", BINOP_ADD
, PREC_ADD
, 0},
128 {"+", UNOP_PLUS
, PREC_PREFIX
, 0},
129 {"-", BINOP_SUB
, PREC_ADD
, 0},
130 {"-", UNOP_NEG
, PREC_PREFIX
, 0},
131 {"*", BINOP_MUL
, PREC_MUL
, 0},
132 {"/", BINOP_DIV
, PREC_MUL
, 0},
133 {"DIV", BINOP_INTDIV
, PREC_MUL
, 0},
134 {"MOD", BINOP_REM
, PREC_MUL
, 0},
135 {"=", BINOP_ASSIGN
, PREC_ASSIGN
, 1},
136 {".OR.", BINOP_LOGICAL_OR
, PREC_LOGICAL_OR
, 0},
137 {".AND.", BINOP_LOGICAL_AND
, PREC_LOGICAL_AND
, 0},
138 {".NOT.", UNOP_LOGICAL_NOT
, PREC_PREFIX
, 0},
139 {".EQ.", BINOP_EQUAL
, PREC_EQUAL
, 0},
140 {".NE.", BINOP_NOTEQUAL
, PREC_EQUAL
, 0},
141 {".LE.", BINOP_LEQ
, PREC_ORDER
, 0},
142 {".GE.", BINOP_GEQ
, PREC_ORDER
, 0},
143 {".GT.", BINOP_GTR
, PREC_ORDER
, 0},
144 {".LT.", BINOP_LESS
, PREC_ORDER
, 0},
145 {"**", UNOP_IND
, PREC_PREFIX
, 0},
146 {"@", BINOP_REPEAT
, PREC_REPEAT
, 0},
150 enum f_primitive_types
{
151 f_primitive_type_character
,
152 f_primitive_type_logical
,
153 f_primitive_type_logical_s1
,
154 f_primitive_type_logical_s2
,
155 f_primitive_type_logical_s8
,
156 f_primitive_type_integer
,
157 f_primitive_type_integer_s2
,
158 f_primitive_type_real
,
159 f_primitive_type_real_s8
,
160 f_primitive_type_real_s16
,
161 f_primitive_type_complex_s8
,
162 f_primitive_type_complex_s16
,
163 f_primitive_type_void
,
168 f_language_arch_info (struct gdbarch
*gdbarch
,
169 struct language_arch_info
*lai
)
171 const struct builtin_f_type
*builtin
= builtin_f_type (gdbarch
);
173 lai
->string_char_type
= builtin
->builtin_character
;
174 lai
->primitive_type_vector
175 = GDBARCH_OBSTACK_CALLOC (gdbarch
, nr_f_primitive_types
+ 1,
178 lai
->primitive_type_vector
[f_primitive_type_character
]
179 = builtin
->builtin_character
;
180 lai
->primitive_type_vector
[f_primitive_type_logical
]
181 = builtin
->builtin_logical
;
182 lai
->primitive_type_vector
[f_primitive_type_logical_s1
]
183 = builtin
->builtin_logical_s1
;
184 lai
->primitive_type_vector
[f_primitive_type_logical_s2
]
185 = builtin
->builtin_logical_s2
;
186 lai
->primitive_type_vector
[f_primitive_type_logical_s8
]
187 = builtin
->builtin_logical_s8
;
188 lai
->primitive_type_vector
[f_primitive_type_real
]
189 = builtin
->builtin_real
;
190 lai
->primitive_type_vector
[f_primitive_type_real_s8
]
191 = builtin
->builtin_real_s8
;
192 lai
->primitive_type_vector
[f_primitive_type_real_s16
]
193 = builtin
->builtin_real_s16
;
194 lai
->primitive_type_vector
[f_primitive_type_complex_s8
]
195 = builtin
->builtin_complex_s8
;
196 lai
->primitive_type_vector
[f_primitive_type_complex_s16
]
197 = builtin
->builtin_complex_s16
;
198 lai
->primitive_type_vector
[f_primitive_type_void
]
199 = builtin
->builtin_void
;
201 lai
->bool_type_symbol
= "logical";
202 lai
->bool_type_default
= builtin
->builtin_logical_s2
;
205 /* Remove the modules separator :: from the default break list. */
208 f_word_break_characters (void)
216 retval
= xstrdup (default_word_break_characters ());
217 s
= strchr (retval
, ':');
220 char *last_char
= &s
[strlen (s
) - 1];
229 /* Consider the modules separator :: as a valid symbol name character
232 static VEC (char_ptr
) *
233 f_make_symbol_completion_list (char *text
, char *word
, enum type_code code
)
235 return default_make_symbol_completion_list_break_on (text
, word
, ":", code
);
238 const struct language_defn f_language_defn
=
246 &exp_descriptor_standard
,
247 f_parse
, /* parser */
248 f_error
, /* parser error function */
250 f_printchar
, /* Print character constant */
251 f_printstr
, /* function to print string constant */
252 f_emit_char
, /* Function to print a single character */
253 f_print_type
, /* Print a type using appropriate syntax */
254 default_print_typedef
, /* Print a typedef using appropriate syntax */
255 f_val_print
, /* Print a value using appropriate syntax */
256 c_value_print
, /* FIXME */
257 default_read_var_value
, /* la_read_var_value */
258 NULL
, /* Language specific skip_trampoline */
259 NULL
, /* name_of_this */
260 cp_lookup_symbol_nonlocal
, /* lookup_symbol_nonlocal */
261 basic_lookup_transparent_type
,/* lookup_transparent_type */
262 NULL
, /* Language specific symbol demangler */
263 NULL
, /* Language specific
264 class_name_from_physname */
265 f_op_print_tab
, /* expression operators for printing */
266 0, /* arrays are first-class (not c-style) */
267 1, /* String lower bound */
268 f_word_break_characters
,
269 f_make_symbol_completion_list
,
270 f_language_arch_info
,
271 default_print_array_index
,
272 default_pass_by_reference
,
274 NULL
, /* la_get_symbol_name_cmp */
275 iterate_over_symbols
,
280 build_fortran_types (struct gdbarch
*gdbarch
)
282 struct builtin_f_type
*builtin_f_type
283 = GDBARCH_OBSTACK_ZALLOC (gdbarch
, struct builtin_f_type
);
285 builtin_f_type
->builtin_void
286 = arch_type (gdbarch
, TYPE_CODE_VOID
, 1, "VOID");
288 builtin_f_type
->builtin_character
289 = arch_integer_type (gdbarch
, TARGET_CHAR_BIT
, 0, "character");
291 builtin_f_type
->builtin_logical_s1
292 = arch_boolean_type (gdbarch
, TARGET_CHAR_BIT
, 1, "logical*1");
294 builtin_f_type
->builtin_integer_s2
295 = arch_integer_type (gdbarch
, gdbarch_short_bit (gdbarch
), 0,
298 builtin_f_type
->builtin_logical_s2
299 = arch_boolean_type (gdbarch
, gdbarch_short_bit (gdbarch
), 1,
302 builtin_f_type
->builtin_logical_s8
303 = arch_boolean_type (gdbarch
, gdbarch_long_long_bit (gdbarch
), 1,
306 builtin_f_type
->builtin_integer
307 = arch_integer_type (gdbarch
, gdbarch_int_bit (gdbarch
), 0,
310 builtin_f_type
->builtin_logical
311 = arch_boolean_type (gdbarch
, gdbarch_int_bit (gdbarch
), 1,
314 builtin_f_type
->builtin_real
315 = arch_float_type (gdbarch
, gdbarch_float_bit (gdbarch
),
317 builtin_f_type
->builtin_real_s8
318 = arch_float_type (gdbarch
, gdbarch_double_bit (gdbarch
),
320 builtin_f_type
->builtin_real_s16
321 = arch_float_type (gdbarch
, gdbarch_long_double_bit (gdbarch
),
324 builtin_f_type
->builtin_complex_s8
325 = arch_complex_type (gdbarch
, "complex*8",
326 builtin_f_type
->builtin_real
);
327 builtin_f_type
->builtin_complex_s16
328 = arch_complex_type (gdbarch
, "complex*16",
329 builtin_f_type
->builtin_real_s8
);
330 builtin_f_type
->builtin_complex_s32
331 = arch_complex_type (gdbarch
, "complex*32",
332 builtin_f_type
->builtin_real_s16
);
334 return builtin_f_type
;
337 static struct gdbarch_data
*f_type_data
;
339 const struct builtin_f_type
*
340 builtin_f_type (struct gdbarch
*gdbarch
)
342 return gdbarch_data (gdbarch
, f_type_data
);
346 _initialize_f_language (void)
348 f_type_data
= gdbarch_data_register_post_init (build_fortran_types
);
350 add_language (&f_language_defn
);