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Fix remaining Ravenscar regressions
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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,
6aecb9c2 145 "this",
59cc4834 146 false, /* la_store_sym_names_in_linkage_form_p */
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147 d_op_print_tab, /* Expression operators for printing. */
148 1, /* C-style arrays. */
149 0, /* String lower bound. */
a53b64ea 150 &default_varobj_ops,
721b08c6 151 "{...}" /* la_struct_too_deep_ellipsis */
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152};
153
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154/* Class representing the D language. */
155
156class d_language : public language_defn
157{
158public:
159 d_language ()
160 : language_defn (language_d, d_language_data)
161 { /* Nothing. */ }
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162
163 /* See language.h. */
164 void language_arch_info (struct gdbarch *gdbarch,
165 struct language_arch_info *lai) const override
166 {
167 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
168
169 lai->string_char_type = builtin->builtin_char;
170 lai->primitive_type_vector
171 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
172 struct type *);
173
174 lai->primitive_type_vector [d_primitive_type_void]
175 = builtin->builtin_void;
176 lai->primitive_type_vector [d_primitive_type_bool]
177 = builtin->builtin_bool;
178 lai->primitive_type_vector [d_primitive_type_byte]
179 = builtin->builtin_byte;
180 lai->primitive_type_vector [d_primitive_type_ubyte]
181 = builtin->builtin_ubyte;
182 lai->primitive_type_vector [d_primitive_type_short]
183 = builtin->builtin_short;
184 lai->primitive_type_vector [d_primitive_type_ushort]
185 = builtin->builtin_ushort;
186 lai->primitive_type_vector [d_primitive_type_int]
187 = builtin->builtin_int;
188 lai->primitive_type_vector [d_primitive_type_uint]
189 = builtin->builtin_uint;
190 lai->primitive_type_vector [d_primitive_type_long]
191 = builtin->builtin_long;
192 lai->primitive_type_vector [d_primitive_type_ulong]
193 = builtin->builtin_ulong;
194 lai->primitive_type_vector [d_primitive_type_cent]
195 = builtin->builtin_cent;
196 lai->primitive_type_vector [d_primitive_type_ucent]
197 = builtin->builtin_ucent;
198 lai->primitive_type_vector [d_primitive_type_float]
199 = builtin->builtin_float;
200 lai->primitive_type_vector [d_primitive_type_double]
201 = builtin->builtin_double;
202 lai->primitive_type_vector [d_primitive_type_real]
203 = builtin->builtin_real;
204 lai->primitive_type_vector [d_primitive_type_ifloat]
205 = builtin->builtin_ifloat;
206 lai->primitive_type_vector [d_primitive_type_idouble]
207 = builtin->builtin_idouble;
208 lai->primitive_type_vector [d_primitive_type_ireal]
209 = builtin->builtin_ireal;
210 lai->primitive_type_vector [d_primitive_type_cfloat]
211 = builtin->builtin_cfloat;
212 lai->primitive_type_vector [d_primitive_type_cdouble]
213 = builtin->builtin_cdouble;
214 lai->primitive_type_vector [d_primitive_type_creal]
215 = builtin->builtin_creal;
216 lai->primitive_type_vector [d_primitive_type_char]
217 = builtin->builtin_char;
218 lai->primitive_type_vector [d_primitive_type_wchar]
219 = builtin->builtin_wchar;
220 lai->primitive_type_vector [d_primitive_type_dchar]
221 = builtin->builtin_dchar;
222
223 lai->bool_type_symbol = "bool";
224 lai->bool_type_default = builtin->builtin_bool;
225 }
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226
227 /* See language.h. */
228 bool sniff_from_mangled_name (const char *mangled,
229 char **demangled) const override
230 {
231 *demangled = d_demangle (mangled, 0);
232 return *demangled != NULL;
233 }
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234
235 /* See language.h. */
236
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237 char *demangle (const char *mangled, int options) const override
238 {
239 return d_demangle (mangled, options);
240 }
241
242 /* See language.h. */
243
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244 void print_type (struct type *type, const char *varstring,
245 struct ui_file *stream, int show, int level,
246 const struct type_print_options *flags) const override
247 {
248 c_print_type (type, varstring, stream, show, level, flags);
249 }
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250
251 /* See language.h. */
252
253 void value_print_inner
254 (struct value *val, struct ui_file *stream, int recurse,
255 const struct value_print_options *options) const override
256 {
257 return d_value_print_inner (val, stream, recurse, options);
258 }
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259
260 /* See language.h. */
261
262 struct block_symbol lookup_symbol_nonlocal
263 (const char *name, const struct block *block,
264 const domain_enum domain) const override
265 {
266 return d_lookup_symbol_nonlocal (this, name, block, domain);
267 }
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268
269 /* See language.h. */
270
271 int parser (struct parser_state *ps) const override
272 {
273 return d_parse (ps);
274 }
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275};
276
277/* Single instance of the D language class. */
278
279static d_language d_language_defn;
280
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281/* Build all D language types for the specified architecture. */
282
283static void *
284build_d_types (struct gdbarch *gdbarch)
285{
286 struct builtin_d_type *builtin_d_type
287 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
288
289 /* Basic types. */
290 builtin_d_type->builtin_void
77b7c781 291 = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
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292 builtin_d_type->builtin_bool
293 = arch_boolean_type (gdbarch, 8, 1, "bool");
294 builtin_d_type->builtin_byte
295 = arch_integer_type (gdbarch, 8, 0, "byte");
296 builtin_d_type->builtin_ubyte
297 = arch_integer_type (gdbarch, 8, 1, "ubyte");
298 builtin_d_type->builtin_short
299 = arch_integer_type (gdbarch, 16, 0, "short");
300 builtin_d_type->builtin_ushort
301 = arch_integer_type (gdbarch, 16, 1, "ushort");
302 builtin_d_type->builtin_int
303 = arch_integer_type (gdbarch, 32, 0, "int");
304 builtin_d_type->builtin_uint
305 = arch_integer_type (gdbarch, 32, 1, "uint");
306 builtin_d_type->builtin_long
307 = arch_integer_type (gdbarch, 64, 0, "long");
308 builtin_d_type->builtin_ulong
309 = arch_integer_type (gdbarch, 64, 1, "ulong");
310 builtin_d_type->builtin_cent
311 = arch_integer_type (gdbarch, 128, 0, "cent");
312 builtin_d_type->builtin_ucent
313 = arch_integer_type (gdbarch, 128, 1, "ucent");
314 builtin_d_type->builtin_float
315 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 316 "float", gdbarch_float_format (gdbarch));
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317 builtin_d_type->builtin_double
318 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 319 "double", gdbarch_double_format (gdbarch));
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320 builtin_d_type->builtin_real
321 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 322 "real", gdbarch_long_double_format (gdbarch));
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323
324 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
325 |= TYPE_INSTANCE_FLAG_NOTTEXT;
326 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
327 |= TYPE_INSTANCE_FLAG_NOTTEXT;
328
329 /* Imaginary and complex types. */
330 builtin_d_type->builtin_ifloat
331 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 332 "ifloat", gdbarch_float_format (gdbarch));
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333 builtin_d_type->builtin_idouble
334 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 335 "idouble", gdbarch_double_format (gdbarch));
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336 builtin_d_type->builtin_ireal
337 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 338 "ireal", gdbarch_long_double_format (gdbarch));
94b1b47e 339 builtin_d_type->builtin_cfloat
5b930b45 340 = init_complex_type ("cfloat", builtin_d_type->builtin_float);
94b1b47e 341 builtin_d_type->builtin_cdouble
5b930b45 342 = init_complex_type ("cdouble", builtin_d_type->builtin_double);
94b1b47e 343 builtin_d_type->builtin_creal
5b930b45 344 = init_complex_type ("creal", builtin_d_type->builtin_real);
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345
346 /* Character types. */
347 builtin_d_type->builtin_char
348 = arch_character_type (gdbarch, 8, 1, "char");
349 builtin_d_type->builtin_wchar
350 = arch_character_type (gdbarch, 16, 1, "wchar");
351 builtin_d_type->builtin_dchar
352 = arch_character_type (gdbarch, 32, 1, "dchar");
353
354 return builtin_d_type;
355}
356
357static struct gdbarch_data *d_type_data;
358
359/* Return the D type table for the specified architecture. */
360
361const struct builtin_d_type *
362builtin_d_type (struct gdbarch *gdbarch)
363{
9a3c8263 364 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
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365}
366
6c265988 367void _initialize_d_language ();
6aecb9c2 368void
6c265988 369_initialize_d_language ()
6aecb9c2 370{
94b1b47e 371 d_type_data = gdbarch_data_register_post_init (build_d_types);
6aecb9c2 372}