gdb: Convert language la_printstr field to a method
[deliverable/binutils-gdb.git] / gdb / d-lang.c
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1/* D language support routines for GDB, the GNU debugger.
2
b811d2c2 3 Copyright (C) 2005-2020 Free Software Foundation, Inc.
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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"
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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
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30/* The name of the symbol to use to get the name of the main subprogram. */
31static 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
38const char *
39d_main_name (void)
40{
3b7344d5 41 struct bound_minimal_symbol msym;
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42
43 msym = lookup_minimal_symbol (D_MAIN, NULL, NULL);
3b7344d5 44 if (msym.minsym != NULL)
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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
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53char *
54d_demangle (const char *symbol, int options)
55{
35a49624 56 return gdb_demangle (symbol, options | DMGL_DLANG);
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57}
58
59/* Table mapping opcodes into strings for printing operators
60 and precedences of the operators. */
61static const struct op_print d_op_print_tab[] =
62{
63 {",", BINOP_COMMA, PREC_COMMA, 0},
64 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
65 {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
66 {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
67 {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
68 {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
69 {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
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70 {"==", BINOP_EQUAL, PREC_ORDER, 0},
71 {"!=", BINOP_NOTEQUAL, PREC_ORDER, 0},
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72 {"<=", BINOP_LEQ, PREC_ORDER, 0},
73 {">=", BINOP_GEQ, PREC_ORDER, 0},
74 {">", BINOP_GTR, PREC_ORDER, 0},
75 {"<", BINOP_LESS, PREC_ORDER, 0},
76 {">>", BINOP_RSH, PREC_SHIFT, 0},
77 {"<<", BINOP_LSH, PREC_SHIFT, 0},
78 {"+", BINOP_ADD, PREC_ADD, 0},
79 {"-", BINOP_SUB, PREC_ADD, 0},
3ed9baed 80 {"~", BINOP_CONCAT, PREC_ADD, 0},
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81 {"*", BINOP_MUL, PREC_MUL, 0},
82 {"/", BINOP_DIV, PREC_MUL, 0},
83 {"%", BINOP_REM, PREC_MUL, 0},
3ed9baed 84 {"^^", BINOP_EXP, PREC_REPEAT, 0},
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85 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
86 {"-", UNOP_NEG, PREC_PREFIX, 0},
87 {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
88 {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
89 {"*", UNOP_IND, PREC_PREFIX, 0},
90 {"&", UNOP_ADDR, PREC_PREFIX, 0},
91 {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
92 {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
93 {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
f486487f 94 {NULL, OP_NULL, PREC_PREFIX, 0}
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95};
96
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97/* Mapping of all D basic data types into the language vector. */
98
99enum d_primitive_types {
100 d_primitive_type_void,
101 d_primitive_type_bool,
102 d_primitive_type_byte,
103 d_primitive_type_ubyte,
104 d_primitive_type_short,
105 d_primitive_type_ushort,
106 d_primitive_type_int,
107 d_primitive_type_uint,
108 d_primitive_type_long,
109 d_primitive_type_ulong,
110 d_primitive_type_cent, /* Signed 128 bit integer. */
111 d_primitive_type_ucent, /* Unsigned 128 bit integer. */
112 d_primitive_type_float,
113 d_primitive_type_double,
114 d_primitive_type_real,
115 d_primitive_type_ifloat, /* Imaginary float types. */
116 d_primitive_type_idouble,
117 d_primitive_type_ireal,
118 d_primitive_type_cfloat, /* Complex number of two float values. */
119 d_primitive_type_cdouble,
120 d_primitive_type_creal,
121 d_primitive_type_char, /* Unsigned character types. */
122 d_primitive_type_wchar,
123 d_primitive_type_dchar,
124 nr_d_primitive_types
125};
126
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127static const char *d_extensions[] =
128{
129 ".d", NULL
130};
131
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132/* Constant data that describes the D language. */
133
134extern const struct language_data d_language_data =
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135{
136 "d",
6abde28f 137 "D",
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138 language_d,
139 range_check_off,
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140 case_sensitive_on,
141 array_row_major,
3271ba66 142 macro_expansion_no,
56618e20 143 d_extensions,
6aecb9c2 144 &exp_descriptor_c,
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145 c_print_typedef, /* Print a typedef using appropriate
146 syntax. */
6aecb9c2 147 "this",
59cc4834 148 false, /* la_store_sym_names_in_linkage_form_p */
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149 d_op_print_tab, /* Expression operators for printing. */
150 1, /* C-style arrays. */
151 0, /* String lower bound. */
a53b64ea 152 &default_varobj_ops,
4be290b2 153 c_is_string_type_p,
721b08c6 154 "{...}" /* la_struct_too_deep_ellipsis */
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155};
156
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157/* Class representing the D language. */
158
159class d_language : public language_defn
160{
161public:
162 d_language ()
163 : language_defn (language_d, d_language_data)
164 { /* Nothing. */ }
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165
166 /* See language.h. */
167 void language_arch_info (struct gdbarch *gdbarch,
168 struct language_arch_info *lai) const override
169 {
170 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
171
172 lai->string_char_type = builtin->builtin_char;
173 lai->primitive_type_vector
174 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
175 struct type *);
176
177 lai->primitive_type_vector [d_primitive_type_void]
178 = builtin->builtin_void;
179 lai->primitive_type_vector [d_primitive_type_bool]
180 = builtin->builtin_bool;
181 lai->primitive_type_vector [d_primitive_type_byte]
182 = builtin->builtin_byte;
183 lai->primitive_type_vector [d_primitive_type_ubyte]
184 = builtin->builtin_ubyte;
185 lai->primitive_type_vector [d_primitive_type_short]
186 = builtin->builtin_short;
187 lai->primitive_type_vector [d_primitive_type_ushort]
188 = builtin->builtin_ushort;
189 lai->primitive_type_vector [d_primitive_type_int]
190 = builtin->builtin_int;
191 lai->primitive_type_vector [d_primitive_type_uint]
192 = builtin->builtin_uint;
193 lai->primitive_type_vector [d_primitive_type_long]
194 = builtin->builtin_long;
195 lai->primitive_type_vector [d_primitive_type_ulong]
196 = builtin->builtin_ulong;
197 lai->primitive_type_vector [d_primitive_type_cent]
198 = builtin->builtin_cent;
199 lai->primitive_type_vector [d_primitive_type_ucent]
200 = builtin->builtin_ucent;
201 lai->primitive_type_vector [d_primitive_type_float]
202 = builtin->builtin_float;
203 lai->primitive_type_vector [d_primitive_type_double]
204 = builtin->builtin_double;
205 lai->primitive_type_vector [d_primitive_type_real]
206 = builtin->builtin_real;
207 lai->primitive_type_vector [d_primitive_type_ifloat]
208 = builtin->builtin_ifloat;
209 lai->primitive_type_vector [d_primitive_type_idouble]
210 = builtin->builtin_idouble;
211 lai->primitive_type_vector [d_primitive_type_ireal]
212 = builtin->builtin_ireal;
213 lai->primitive_type_vector [d_primitive_type_cfloat]
214 = builtin->builtin_cfloat;
215 lai->primitive_type_vector [d_primitive_type_cdouble]
216 = builtin->builtin_cdouble;
217 lai->primitive_type_vector [d_primitive_type_creal]
218 = builtin->builtin_creal;
219 lai->primitive_type_vector [d_primitive_type_char]
220 = builtin->builtin_char;
221 lai->primitive_type_vector [d_primitive_type_wchar]
222 = builtin->builtin_wchar;
223 lai->primitive_type_vector [d_primitive_type_dchar]
224 = builtin->builtin_dchar;
225
226 lai->bool_type_symbol = "bool";
227 lai->bool_type_default = builtin->builtin_bool;
228 }
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229
230 /* See language.h. */
231 bool sniff_from_mangled_name (const char *mangled,
232 char **demangled) const override
233 {
234 *demangled = d_demangle (mangled, 0);
235 return *demangled != NULL;
236 }
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237
238 /* See language.h. */
239
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240 char *demangle (const char *mangled, int options) const override
241 {
242 return d_demangle (mangled, options);
243 }
244
245 /* See language.h. */
246
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247 void print_type (struct type *type, const char *varstring,
248 struct ui_file *stream, int show, int level,
249 const struct type_print_options *flags) const override
250 {
251 c_print_type (type, varstring, stream, show, level, flags);
252 }
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253
254 /* See language.h. */
255
256 void value_print_inner
257 (struct value *val, struct ui_file *stream, int recurse,
258 const struct value_print_options *options) const override
259 {
260 return d_value_print_inner (val, stream, recurse, options);
261 }
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262
263 /* See language.h. */
264
265 struct block_symbol lookup_symbol_nonlocal
266 (const char *name, const struct block *block,
267 const domain_enum domain) const override
268 {
269 return d_lookup_symbol_nonlocal (this, name, block, domain);
270 }
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271
272 /* See language.h. */
273
274 int parser (struct parser_state *ps) const override
275 {
276 return d_parse (ps);
277 }
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278};
279
280/* Single instance of the D language class. */
281
282static d_language d_language_defn;
283
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284/* Build all D language types for the specified architecture. */
285
286static void *
287build_d_types (struct gdbarch *gdbarch)
288{
289 struct builtin_d_type *builtin_d_type
290 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
291
292 /* Basic types. */
293 builtin_d_type->builtin_void
77b7c781 294 = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
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295 builtin_d_type->builtin_bool
296 = arch_boolean_type (gdbarch, 8, 1, "bool");
297 builtin_d_type->builtin_byte
298 = arch_integer_type (gdbarch, 8, 0, "byte");
299 builtin_d_type->builtin_ubyte
300 = arch_integer_type (gdbarch, 8, 1, "ubyte");
301 builtin_d_type->builtin_short
302 = arch_integer_type (gdbarch, 16, 0, "short");
303 builtin_d_type->builtin_ushort
304 = arch_integer_type (gdbarch, 16, 1, "ushort");
305 builtin_d_type->builtin_int
306 = arch_integer_type (gdbarch, 32, 0, "int");
307 builtin_d_type->builtin_uint
308 = arch_integer_type (gdbarch, 32, 1, "uint");
309 builtin_d_type->builtin_long
310 = arch_integer_type (gdbarch, 64, 0, "long");
311 builtin_d_type->builtin_ulong
312 = arch_integer_type (gdbarch, 64, 1, "ulong");
313 builtin_d_type->builtin_cent
314 = arch_integer_type (gdbarch, 128, 0, "cent");
315 builtin_d_type->builtin_ucent
316 = arch_integer_type (gdbarch, 128, 1, "ucent");
317 builtin_d_type->builtin_float
318 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 319 "float", gdbarch_float_format (gdbarch));
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320 builtin_d_type->builtin_double
321 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 322 "double", gdbarch_double_format (gdbarch));
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323 builtin_d_type->builtin_real
324 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 325 "real", gdbarch_long_double_format (gdbarch));
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326
327 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
328 |= TYPE_INSTANCE_FLAG_NOTTEXT;
329 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
330 |= TYPE_INSTANCE_FLAG_NOTTEXT;
331
332 /* Imaginary and complex types. */
333 builtin_d_type->builtin_ifloat
334 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 335 "ifloat", gdbarch_float_format (gdbarch));
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336 builtin_d_type->builtin_idouble
337 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 338 "idouble", gdbarch_double_format (gdbarch));
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339 builtin_d_type->builtin_ireal
340 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 341 "ireal", gdbarch_long_double_format (gdbarch));
94b1b47e 342 builtin_d_type->builtin_cfloat
5b930b45 343 = init_complex_type ("cfloat", builtin_d_type->builtin_float);
94b1b47e 344 builtin_d_type->builtin_cdouble
5b930b45 345 = init_complex_type ("cdouble", builtin_d_type->builtin_double);
94b1b47e 346 builtin_d_type->builtin_creal
5b930b45 347 = init_complex_type ("creal", builtin_d_type->builtin_real);
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348
349 /* Character types. */
350 builtin_d_type->builtin_char
351 = arch_character_type (gdbarch, 8, 1, "char");
352 builtin_d_type->builtin_wchar
353 = arch_character_type (gdbarch, 16, 1, "wchar");
354 builtin_d_type->builtin_dchar
355 = arch_character_type (gdbarch, 32, 1, "dchar");
356
357 return builtin_d_type;
358}
359
360static struct gdbarch_data *d_type_data;
361
362/* Return the D type table for the specified architecture. */
363
364const struct builtin_d_type *
365builtin_d_type (struct gdbarch *gdbarch)
366{
9a3c8263 367 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
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368}
369
6c265988 370void _initialize_d_language ();
6aecb9c2 371void
6c265988 372_initialize_d_language ()
6aecb9c2 373{
94b1b47e 374 d_type_data = gdbarch_data_register_post_init (build_d_types);
6aecb9c2 375}
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