1 /* D language support routines for GDB, the GNU debugger.
3 Copyright (C) 2005-2021 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 #include "cp-support.h"
29 #include "parser-defs.h"
31 /* The name of the symbol to use to get the name of the main subprogram. */
32 static const char D_MAIN
[] = "D main";
34 /* Function returning the special symbol name used by D for the main
35 procedure in the main program if it is found in minimal symbol list.
36 This function tries to find minimal symbols so that it finds them even
37 if the program was compiled without debugging information. */
42 struct bound_minimal_symbol msym
;
44 msym
= lookup_minimal_symbol (D_MAIN
, NULL
, NULL
);
45 if (msym
.minsym
!= NULL
)
48 /* No known entry procedure found, the main program is probably not D. */
52 /* Implements the la_demangle language_defn routine for language D. */
55 d_demangle (const char *symbol
, int options
)
57 return gdb_demangle (symbol
, options
| DMGL_DLANG
);
60 /* Table mapping opcodes into strings for printing operators
61 and precedences of the operators. */
62 static const struct op_print d_op_print_tab
[] =
64 {",", BINOP_COMMA
, PREC_COMMA
, 0},
65 {"=", BINOP_ASSIGN
, PREC_ASSIGN
, 1},
66 {"||", BINOP_LOGICAL_OR
, PREC_LOGICAL_OR
, 0},
67 {"&&", BINOP_LOGICAL_AND
, PREC_LOGICAL_AND
, 0},
68 {"|", BINOP_BITWISE_IOR
, PREC_BITWISE_IOR
, 0},
69 {"^", BINOP_BITWISE_XOR
, PREC_BITWISE_XOR
, 0},
70 {"&", BINOP_BITWISE_AND
, PREC_BITWISE_AND
, 0},
71 {"==", BINOP_EQUAL
, PREC_ORDER
, 0},
72 {"!=", BINOP_NOTEQUAL
, PREC_ORDER
, 0},
73 {"<=", BINOP_LEQ
, PREC_ORDER
, 0},
74 {">=", BINOP_GEQ
, PREC_ORDER
, 0},
75 {">", BINOP_GTR
, PREC_ORDER
, 0},
76 {"<", BINOP_LESS
, PREC_ORDER
, 0},
77 {">>", BINOP_RSH
, PREC_SHIFT
, 0},
78 {"<<", BINOP_LSH
, PREC_SHIFT
, 0},
79 {"+", BINOP_ADD
, PREC_ADD
, 0},
80 {"-", BINOP_SUB
, PREC_ADD
, 0},
81 {"~", BINOP_CONCAT
, PREC_ADD
, 0},
82 {"*", BINOP_MUL
, PREC_MUL
, 0},
83 {"/", BINOP_DIV
, PREC_MUL
, 0},
84 {"%", BINOP_REM
, PREC_MUL
, 0},
85 {"^^", BINOP_EXP
, PREC_REPEAT
, 0},
86 {"@", BINOP_REPEAT
, PREC_REPEAT
, 0},
87 {"-", UNOP_NEG
, PREC_PREFIX
, 0},
88 {"!", UNOP_LOGICAL_NOT
, PREC_PREFIX
, 0},
89 {"~", UNOP_COMPLEMENT
, PREC_PREFIX
, 0},
90 {"*", UNOP_IND
, PREC_PREFIX
, 0},
91 {"&", UNOP_ADDR
, PREC_PREFIX
, 0},
92 {"sizeof ", UNOP_SIZEOF
, PREC_PREFIX
, 0},
93 {"++", UNOP_PREINCREMENT
, PREC_PREFIX
, 0},
94 {"--", UNOP_PREDECREMENT
, PREC_PREFIX
, 0},
95 {NULL
, OP_NULL
, PREC_PREFIX
, 0}
98 /* Class representing the D language. */
100 class d_language
: public language_defn
104 : language_defn (language_d
)
107 /* See language.h. */
109 const char *name () const override
112 /* See language.h. */
114 const char *natural_name () const override
117 /* See language.h. */
119 const std::vector
<const char *> &filename_extensions () const override
121 static const std::vector
<const char *> extensions
= { ".d" };
125 /* See language.h. */
126 void language_arch_info (struct gdbarch
*gdbarch
,
127 struct language_arch_info
*lai
) const override
129 const struct builtin_d_type
*builtin
= builtin_d_type (gdbarch
);
131 /* Helper function to allow shorter lines below. */
132 auto add
= [&] (struct type
* t
)
134 lai
->add_primitive_type (t
);
137 add (builtin
->builtin_void
);
138 add (builtin
->builtin_bool
);
139 add (builtin
->builtin_byte
);
140 add (builtin
->builtin_ubyte
);
141 add (builtin
->builtin_short
);
142 add (builtin
->builtin_ushort
);
143 add (builtin
->builtin_int
);
144 add (builtin
->builtin_uint
);
145 add (builtin
->builtin_long
);
146 add (builtin
->builtin_ulong
);
147 add (builtin
->builtin_cent
);
148 add (builtin
->builtin_ucent
);
149 add (builtin
->builtin_float
);
150 add (builtin
->builtin_double
);
151 add (builtin
->builtin_real
);
152 add (builtin
->builtin_ifloat
);
153 add (builtin
->builtin_idouble
);
154 add (builtin
->builtin_ireal
);
155 add (builtin
->builtin_cfloat
);
156 add (builtin
->builtin_cdouble
);
157 add (builtin
->builtin_creal
);
158 add (builtin
->builtin_char
);
159 add (builtin
->builtin_wchar
);
160 add (builtin
->builtin_dchar
);
162 lai
->set_string_char_type (builtin
->builtin_char
);
163 lai
->set_bool_type (builtin
->builtin_bool
, "bool");
166 /* See language.h. */
167 bool sniff_from_mangled_name (const char *mangled
,
168 char **demangled
) const override
170 *demangled
= d_demangle (mangled
, 0);
171 return *demangled
!= NULL
;
174 /* See language.h. */
176 char *demangle_symbol (const char *mangled
, int options
) const override
178 return d_demangle (mangled
, options
);
181 /* See language.h. */
183 void print_type (struct type
*type
, const char *varstring
,
184 struct ui_file
*stream
, int show
, int level
,
185 const struct type_print_options
*flags
) const override
187 c_print_type (type
, varstring
, stream
, show
, level
, flags
);
190 /* See language.h. */
192 void value_print_inner
193 (struct value
*val
, struct ui_file
*stream
, int recurse
,
194 const struct value_print_options
*options
) const override
196 return d_value_print_inner (val
, stream
, recurse
, options
);
199 /* See language.h. */
201 struct block_symbol lookup_symbol_nonlocal
202 (const char *name
, const struct block
*block
,
203 const domain_enum domain
) const override
205 return d_lookup_symbol_nonlocal (this, name
, block
, domain
);
208 /* See language.h. */
210 int parser (struct parser_state
*ps
) const override
215 /* See language.h. */
217 const char *name_of_this () const override
220 /* See language.h. */
222 const struct op_print
*opcode_print_table () const override
223 { return d_op_print_tab
; }
226 /* Single instance of the D language class. */
228 static d_language d_language_defn
;
230 /* Build all D language types for the specified architecture. */
233 build_d_types (struct gdbarch
*gdbarch
)
235 struct builtin_d_type
*builtin_d_type
236 = GDBARCH_OBSTACK_ZALLOC (gdbarch
, struct builtin_d_type
);
239 builtin_d_type
->builtin_void
240 = arch_type (gdbarch
, TYPE_CODE_VOID
, TARGET_CHAR_BIT
, "void");
241 builtin_d_type
->builtin_bool
242 = arch_boolean_type (gdbarch
, 8, 1, "bool");
243 builtin_d_type
->builtin_byte
244 = arch_integer_type (gdbarch
, 8, 0, "byte");
245 builtin_d_type
->builtin_ubyte
246 = arch_integer_type (gdbarch
, 8, 1, "ubyte");
247 builtin_d_type
->builtin_short
248 = arch_integer_type (gdbarch
, 16, 0, "short");
249 builtin_d_type
->builtin_ushort
250 = arch_integer_type (gdbarch
, 16, 1, "ushort");
251 builtin_d_type
->builtin_int
252 = arch_integer_type (gdbarch
, 32, 0, "int");
253 builtin_d_type
->builtin_uint
254 = arch_integer_type (gdbarch
, 32, 1, "uint");
255 builtin_d_type
->builtin_long
256 = arch_integer_type (gdbarch
, 64, 0, "long");
257 builtin_d_type
->builtin_ulong
258 = arch_integer_type (gdbarch
, 64, 1, "ulong");
259 builtin_d_type
->builtin_cent
260 = arch_integer_type (gdbarch
, 128, 0, "cent");
261 builtin_d_type
->builtin_ucent
262 = arch_integer_type (gdbarch
, 128, 1, "ucent");
263 builtin_d_type
->builtin_float
264 = arch_float_type (gdbarch
, gdbarch_float_bit (gdbarch
),
265 "float", gdbarch_float_format (gdbarch
));
266 builtin_d_type
->builtin_double
267 = arch_float_type (gdbarch
, gdbarch_double_bit (gdbarch
),
268 "double", gdbarch_double_format (gdbarch
));
269 builtin_d_type
->builtin_real
270 = arch_float_type (gdbarch
, gdbarch_long_double_bit (gdbarch
),
271 "real", gdbarch_long_double_format (gdbarch
));
273 builtin_d_type
->builtin_byte
->set_instance_flags
274 (builtin_d_type
->builtin_byte
->instance_flags ()
275 | TYPE_INSTANCE_FLAG_NOTTEXT
);
277 builtin_d_type
->builtin_ubyte
->set_instance_flags
278 (builtin_d_type
->builtin_ubyte
->instance_flags ()
279 | TYPE_INSTANCE_FLAG_NOTTEXT
);
281 /* Imaginary and complex types. */
282 builtin_d_type
->builtin_ifloat
283 = arch_float_type (gdbarch
, gdbarch_float_bit (gdbarch
),
284 "ifloat", gdbarch_float_format (gdbarch
));
285 builtin_d_type
->builtin_idouble
286 = arch_float_type (gdbarch
, gdbarch_double_bit (gdbarch
),
287 "idouble", gdbarch_double_format (gdbarch
));
288 builtin_d_type
->builtin_ireal
289 = arch_float_type (gdbarch
, gdbarch_long_double_bit (gdbarch
),
290 "ireal", gdbarch_long_double_format (gdbarch
));
291 builtin_d_type
->builtin_cfloat
292 = init_complex_type ("cfloat", builtin_d_type
->builtin_float
);
293 builtin_d_type
->builtin_cdouble
294 = init_complex_type ("cdouble", builtin_d_type
->builtin_double
);
295 builtin_d_type
->builtin_creal
296 = init_complex_type ("creal", builtin_d_type
->builtin_real
);
298 /* Character types. */
299 builtin_d_type
->builtin_char
300 = arch_character_type (gdbarch
, 8, 1, "char");
301 builtin_d_type
->builtin_wchar
302 = arch_character_type (gdbarch
, 16, 1, "wchar");
303 builtin_d_type
->builtin_dchar
304 = arch_character_type (gdbarch
, 32, 1, "dchar");
306 return builtin_d_type
;
309 static struct gdbarch_data
*d_type_data
;
311 /* Return the D type table for the specified architecture. */
313 const struct builtin_d_type
*
314 builtin_d_type (struct gdbarch
*gdbarch
)
316 return (const struct builtin_d_type
*) gdbarch_data (gdbarch
, d_type_data
);
319 void _initialize_d_language ();
321 _initialize_d_language ()
323 d_type_data
= gdbarch_data_register_post_init (build_d_types
);