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6aecb9c2 JB |
1 | /* D language support routines for GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
6aecb9c2 JB |
4 | |
5 | This file is part of GDB. | |
6 | ||
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. | |
11 | ||
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. | |
16 | ||
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/>. */ | |
19 | ||
20 | #include "defs.h" | |
d55e5aa6 | 21 | #include "symtab.h" |
4de283e4 | 22 | #include "language.h" |
d55e5aa6 | 23 | #include "varobj.h" |
4de283e4 TT |
24 | #include "d-lang.h" |
25 | #include "c-lang.h" | |
26 | #include "demangle.h" | |
27 | #include "cp-support.h" | |
0d12e84c | 28 | #include "gdbarch.h" |
6aecb9c2 | 29 | |
63778547 IB |
30 | /* The name of the symbol to use to get the name of the main subprogram. */ |
31 | static const char D_MAIN[] = "D main"; | |
32 | ||
33 | /* Function returning the special symbol name used by D for the main | |
34 | procedure in the main program if it is found in minimal symbol list. | |
35 | This function tries to find minimal symbols so that it finds them even | |
36 | if the program was compiled without debugging information. */ | |
37 | ||
38 | const char * | |
39 | d_main_name (void) | |
40 | { | |
3b7344d5 | 41 | struct bound_minimal_symbol msym; |
63778547 IB |
42 | |
43 | msym = lookup_minimal_symbol (D_MAIN, NULL, NULL); | |
3b7344d5 | 44 | if (msym.minsym != NULL) |
63778547 IB |
45 | return D_MAIN; |
46 | ||
47 | /* No known entry procedure found, the main program is probably not D. */ | |
48 | return NULL; | |
49 | } | |
50 | ||
6aecb9c2 | 51 | /* Implements the la_demangle language_defn routine for language D. */ |
ec9f644a | 52 | |
6aecb9c2 JB |
53 | char * |
54 | d_demangle (const char *symbol, int options) | |
55 | { | |
35a49624 | 56 | return gdb_demangle (symbol, options | DMGL_DLANG); |
6aecb9c2 JB |
57 | } |
58 | ||
8b302db8 TT |
59 | /* la_sniff_from_mangled_name implementation for D. */ |
60 | ||
61 | static int | |
62 | d_sniff_from_mangled_name (const char *mangled, char **demangled) | |
63 | { | |
64 | *demangled = d_demangle (mangled, 0); | |
65 | return *demangled != NULL; | |
66 | } | |
67 | ||
6aecb9c2 JB |
68 | /* Table mapping opcodes into strings for printing operators |
69 | and precedences of the operators. */ | |
70 | static const struct op_print d_op_print_tab[] = | |
71 | { | |
72 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
73 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
74 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
75 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
76 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
77 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
78 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
3ed9baed IB |
79 | {"==", BINOP_EQUAL, PREC_ORDER, 0}, |
80 | {"!=", BINOP_NOTEQUAL, PREC_ORDER, 0}, | |
6aecb9c2 JB |
81 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, |
82 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
83 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
84 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
85 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
86 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
87 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
88 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
3ed9baed | 89 | {"~", BINOP_CONCAT, PREC_ADD, 0}, |
6aecb9c2 JB |
90 | {"*", BINOP_MUL, PREC_MUL, 0}, |
91 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
92 | {"%", BINOP_REM, PREC_MUL, 0}, | |
3ed9baed | 93 | {"^^", BINOP_EXP, PREC_REPEAT, 0}, |
6aecb9c2 JB |
94 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, |
95 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
96 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
97 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
98 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
99 | {"&", UNOP_ADDR, PREC_PREFIX, 0}, | |
100 | {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, | |
101 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, | |
102 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
f486487f | 103 | {NULL, OP_NULL, PREC_PREFIX, 0} |
6aecb9c2 JB |
104 | }; |
105 | ||
94b1b47e IB |
106 | /* Mapping of all D basic data types into the language vector. */ |
107 | ||
108 | enum d_primitive_types { | |
109 | d_primitive_type_void, | |
110 | d_primitive_type_bool, | |
111 | d_primitive_type_byte, | |
112 | d_primitive_type_ubyte, | |
113 | d_primitive_type_short, | |
114 | d_primitive_type_ushort, | |
115 | d_primitive_type_int, | |
116 | d_primitive_type_uint, | |
117 | d_primitive_type_long, | |
118 | d_primitive_type_ulong, | |
119 | d_primitive_type_cent, /* Signed 128 bit integer. */ | |
120 | d_primitive_type_ucent, /* Unsigned 128 bit integer. */ | |
121 | d_primitive_type_float, | |
122 | d_primitive_type_double, | |
123 | d_primitive_type_real, | |
124 | d_primitive_type_ifloat, /* Imaginary float types. */ | |
125 | d_primitive_type_idouble, | |
126 | d_primitive_type_ireal, | |
127 | d_primitive_type_cfloat, /* Complex number of two float values. */ | |
128 | d_primitive_type_cdouble, | |
129 | d_primitive_type_creal, | |
130 | d_primitive_type_char, /* Unsigned character types. */ | |
131 | d_primitive_type_wchar, | |
132 | d_primitive_type_dchar, | |
133 | nr_d_primitive_types | |
134 | }; | |
135 | ||
136 | /* Implements the la_language_arch_info language_defn routine | |
137 | for language D. */ | |
138 | ||
139 | static void | |
140 | d_language_arch_info (struct gdbarch *gdbarch, | |
141 | struct language_arch_info *lai) | |
142 | { | |
143 | const struct builtin_d_type *builtin = builtin_d_type (gdbarch); | |
144 | ||
145 | lai->string_char_type = builtin->builtin_char; | |
146 | lai->primitive_type_vector | |
147 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1, | |
148 | struct type *); | |
149 | ||
150 | lai->primitive_type_vector [d_primitive_type_void] | |
151 | = builtin->builtin_void; | |
152 | lai->primitive_type_vector [d_primitive_type_bool] | |
153 | = builtin->builtin_bool; | |
154 | lai->primitive_type_vector [d_primitive_type_byte] | |
155 | = builtin->builtin_byte; | |
156 | lai->primitive_type_vector [d_primitive_type_ubyte] | |
157 | = builtin->builtin_ubyte; | |
158 | lai->primitive_type_vector [d_primitive_type_short] | |
159 | = builtin->builtin_short; | |
160 | lai->primitive_type_vector [d_primitive_type_ushort] | |
161 | = builtin->builtin_ushort; | |
162 | lai->primitive_type_vector [d_primitive_type_int] | |
163 | = builtin->builtin_int; | |
164 | lai->primitive_type_vector [d_primitive_type_uint] | |
165 | = builtin->builtin_uint; | |
166 | lai->primitive_type_vector [d_primitive_type_long] | |
167 | = builtin->builtin_long; | |
168 | lai->primitive_type_vector [d_primitive_type_ulong] | |
169 | = builtin->builtin_ulong; | |
170 | lai->primitive_type_vector [d_primitive_type_cent] | |
171 | = builtin->builtin_cent; | |
172 | lai->primitive_type_vector [d_primitive_type_ucent] | |
173 | = builtin->builtin_ucent; | |
174 | lai->primitive_type_vector [d_primitive_type_float] | |
175 | = builtin->builtin_float; | |
176 | lai->primitive_type_vector [d_primitive_type_double] | |
177 | = builtin->builtin_double; | |
178 | lai->primitive_type_vector [d_primitive_type_real] | |
179 | = builtin->builtin_real; | |
180 | lai->primitive_type_vector [d_primitive_type_ifloat] | |
181 | = builtin->builtin_ifloat; | |
182 | lai->primitive_type_vector [d_primitive_type_idouble] | |
183 | = builtin->builtin_idouble; | |
184 | lai->primitive_type_vector [d_primitive_type_ireal] | |
185 | = builtin->builtin_ireal; | |
186 | lai->primitive_type_vector [d_primitive_type_cfloat] | |
187 | = builtin->builtin_cfloat; | |
188 | lai->primitive_type_vector [d_primitive_type_cdouble] | |
189 | = builtin->builtin_cdouble; | |
190 | lai->primitive_type_vector [d_primitive_type_creal] | |
191 | = builtin->builtin_creal; | |
192 | lai->primitive_type_vector [d_primitive_type_char] | |
193 | = builtin->builtin_char; | |
194 | lai->primitive_type_vector [d_primitive_type_wchar] | |
195 | = builtin->builtin_wchar; | |
196 | lai->primitive_type_vector [d_primitive_type_dchar] | |
197 | = builtin->builtin_dchar; | |
198 | ||
199 | lai->bool_type_symbol = "bool"; | |
200 | lai->bool_type_default = builtin->builtin_bool; | |
201 | } | |
202 | ||
56618e20 TT |
203 | static const char *d_extensions[] = |
204 | { | |
205 | ".d", NULL | |
206 | }; | |
207 | ||
0874fd07 AB |
208 | /* Constant data that describes the D language. */ |
209 | ||
210 | extern const struct language_data d_language_data = | |
6aecb9c2 JB |
211 | { |
212 | "d", | |
6abde28f | 213 | "D", |
6aecb9c2 JB |
214 | language_d, |
215 | range_check_off, | |
6aecb9c2 JB |
216 | case_sensitive_on, |
217 | array_row_major, | |
3271ba66 | 218 | macro_expansion_no, |
56618e20 | 219 | d_extensions, |
6aecb9c2 | 220 | &exp_descriptor_c, |
3ed9baed | 221 | d_parse, |
6aecb9c2 JB |
222 | null_post_parser, |
223 | c_printchar, /* Print a character constant. */ | |
224 | c_printstr, /* Function to print string constant. */ | |
225 | c_emit_char, /* Print a single char. */ | |
226 | c_print_type, /* Print a type using appropriate syntax. */ | |
0963b4bd MS |
227 | c_print_typedef, /* Print a typedef using appropriate |
228 | syntax. */ | |
d133c3e1 | 229 | d_value_print_inner, /* la_value_print_inner */ |
6aecb9c2 | 230 | c_value_print, /* Print a top-level value. */ |
a5ee536b | 231 | default_read_var_value, /* la_read_var_value */ |
6aecb9c2 JB |
232 | NULL, /* Language specific skip_trampoline. */ |
233 | "this", | |
59cc4834 | 234 | false, /* la_store_sym_names_in_linkage_form_p */ |
bc7c9fab | 235 | d_lookup_symbol_nonlocal, |
6aecb9c2 JB |
236 | basic_lookup_transparent_type, |
237 | d_demangle, /* Language specific symbol demangler. */ | |
8b302db8 | 238 | d_sniff_from_mangled_name, |
0963b4bd MS |
239 | NULL, /* Language specific |
240 | class_name_from_physname. */ | |
6aecb9c2 JB |
241 | d_op_print_tab, /* Expression operators for printing. */ |
242 | 1, /* C-style arrays. */ | |
243 | 0, /* String lower bound. */ | |
244 | default_word_break_characters, | |
eb3ff9a5 | 245 | default_collect_symbol_completion_matches, |
94b1b47e | 246 | d_language_arch_info, |
6aecb9c2 | 247 | default_pass_by_reference, |
43cc5389 | 248 | c_watch_location_expression, |
b5ec771e | 249 | NULL, /* la_get_symbol_name_matcher */ |
95cbceff | 250 | iterate_over_symbols, |
5ffa0793 | 251 | default_search_name_hash, |
a53b64ea | 252 | &default_varobj_ops, |
bb2ec1b3 | 253 | NULL, |
721b08c6 | 254 | NULL, |
4be290b2 | 255 | c_is_string_type_p, |
721b08c6 | 256 | "{...}" /* la_struct_too_deep_ellipsis */ |
6aecb9c2 JB |
257 | }; |
258 | ||
0874fd07 AB |
259 | /* Class representing the D language. */ |
260 | ||
261 | class d_language : public language_defn | |
262 | { | |
263 | public: | |
264 | d_language () | |
265 | : language_defn (language_d, d_language_data) | |
266 | { /* Nothing. */ } | |
267 | }; | |
268 | ||
269 | /* Single instance of the D language class. */ | |
270 | ||
271 | static d_language d_language_defn; | |
272 | ||
94b1b47e IB |
273 | /* Build all D language types for the specified architecture. */ |
274 | ||
275 | static void * | |
276 | build_d_types (struct gdbarch *gdbarch) | |
277 | { | |
278 | struct builtin_d_type *builtin_d_type | |
279 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type); | |
280 | ||
281 | /* Basic types. */ | |
282 | builtin_d_type->builtin_void | |
77b7c781 | 283 | = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void"); |
94b1b47e IB |
284 | builtin_d_type->builtin_bool |
285 | = arch_boolean_type (gdbarch, 8, 1, "bool"); | |
286 | builtin_d_type->builtin_byte | |
287 | = arch_integer_type (gdbarch, 8, 0, "byte"); | |
288 | builtin_d_type->builtin_ubyte | |
289 | = arch_integer_type (gdbarch, 8, 1, "ubyte"); | |
290 | builtin_d_type->builtin_short | |
291 | = arch_integer_type (gdbarch, 16, 0, "short"); | |
292 | builtin_d_type->builtin_ushort | |
293 | = arch_integer_type (gdbarch, 16, 1, "ushort"); | |
294 | builtin_d_type->builtin_int | |
295 | = arch_integer_type (gdbarch, 32, 0, "int"); | |
296 | builtin_d_type->builtin_uint | |
297 | = arch_integer_type (gdbarch, 32, 1, "uint"); | |
298 | builtin_d_type->builtin_long | |
299 | = arch_integer_type (gdbarch, 64, 0, "long"); | |
300 | builtin_d_type->builtin_ulong | |
301 | = arch_integer_type (gdbarch, 64, 1, "ulong"); | |
302 | builtin_d_type->builtin_cent | |
303 | = arch_integer_type (gdbarch, 128, 0, "cent"); | |
304 | builtin_d_type->builtin_ucent | |
305 | = arch_integer_type (gdbarch, 128, 1, "ucent"); | |
306 | builtin_d_type->builtin_float | |
307 | = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), | |
49f190bc | 308 | "float", gdbarch_float_format (gdbarch)); |
94b1b47e IB |
309 | builtin_d_type->builtin_double |
310 | = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), | |
49f190bc | 311 | "double", gdbarch_double_format (gdbarch)); |
94b1b47e IB |
312 | builtin_d_type->builtin_real |
313 | = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), | |
49f190bc | 314 | "real", gdbarch_long_double_format (gdbarch)); |
94b1b47e IB |
315 | |
316 | TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte) | |
317 | |= TYPE_INSTANCE_FLAG_NOTTEXT; | |
318 | TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte) | |
319 | |= TYPE_INSTANCE_FLAG_NOTTEXT; | |
320 | ||
321 | /* Imaginary and complex types. */ | |
322 | builtin_d_type->builtin_ifloat | |
323 | = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), | |
49f190bc | 324 | "ifloat", gdbarch_float_format (gdbarch)); |
94b1b47e IB |
325 | builtin_d_type->builtin_idouble |
326 | = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), | |
49f190bc | 327 | "idouble", gdbarch_double_format (gdbarch)); |
94b1b47e IB |
328 | builtin_d_type->builtin_ireal |
329 | = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), | |
49f190bc | 330 | "ireal", gdbarch_long_double_format (gdbarch)); |
94b1b47e | 331 | builtin_d_type->builtin_cfloat |
5b930b45 | 332 | = init_complex_type ("cfloat", builtin_d_type->builtin_float); |
94b1b47e | 333 | builtin_d_type->builtin_cdouble |
5b930b45 | 334 | = init_complex_type ("cdouble", builtin_d_type->builtin_double); |
94b1b47e | 335 | builtin_d_type->builtin_creal |
5b930b45 | 336 | = init_complex_type ("creal", builtin_d_type->builtin_real); |
94b1b47e IB |
337 | |
338 | /* Character types. */ | |
339 | builtin_d_type->builtin_char | |
340 | = arch_character_type (gdbarch, 8, 1, "char"); | |
341 | builtin_d_type->builtin_wchar | |
342 | = arch_character_type (gdbarch, 16, 1, "wchar"); | |
343 | builtin_d_type->builtin_dchar | |
344 | = arch_character_type (gdbarch, 32, 1, "dchar"); | |
345 | ||
346 | return builtin_d_type; | |
347 | } | |
348 | ||
349 | static struct gdbarch_data *d_type_data; | |
350 | ||
351 | /* Return the D type table for the specified architecture. */ | |
352 | ||
353 | const struct builtin_d_type * | |
354 | builtin_d_type (struct gdbarch *gdbarch) | |
355 | { | |
9a3c8263 | 356 | return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data); |
94b1b47e IB |
357 | } |
358 | ||
6c265988 | 359 | void _initialize_d_language (); |
6aecb9c2 | 360 | void |
6c265988 | 361 | _initialize_d_language () |
6aecb9c2 | 362 | { |
94b1b47e | 363 | d_type_data = gdbarch_data_register_post_init (build_d_types); |
6aecb9c2 | 364 | } |