Fix TCL error in gdb.python/py-format-string.exp.
[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,
3ed9baed 145 d_parse,
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146 null_post_parser,
147 c_printchar, /* Print a character constant. */
148 c_printstr, /* Function to print string constant. */
149 c_emit_char, /* Print a single char. */
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150 c_print_typedef, /* Print a typedef using appropriate
151 syntax. */
6aecb9c2 152 "this",
59cc4834 153 false, /* la_store_sym_names_in_linkage_form_p */
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154 d_op_print_tab, /* Expression operators for printing. */
155 1, /* C-style arrays. */
156 0, /* String lower bound. */
a53b64ea 157 &default_varobj_ops,
4be290b2 158 c_is_string_type_p,
721b08c6 159 "{...}" /* la_struct_too_deep_ellipsis */
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160};
161
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162/* Class representing the D language. */
163
164class d_language : public language_defn
165{
166public:
167 d_language ()
168 : language_defn (language_d, d_language_data)
169 { /* Nothing. */ }
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170
171 /* See language.h. */
172 void language_arch_info (struct gdbarch *gdbarch,
173 struct language_arch_info *lai) const override
174 {
175 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
176
177 lai->string_char_type = builtin->builtin_char;
178 lai->primitive_type_vector
179 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
180 struct type *);
181
182 lai->primitive_type_vector [d_primitive_type_void]
183 = builtin->builtin_void;
184 lai->primitive_type_vector [d_primitive_type_bool]
185 = builtin->builtin_bool;
186 lai->primitive_type_vector [d_primitive_type_byte]
187 = builtin->builtin_byte;
188 lai->primitive_type_vector [d_primitive_type_ubyte]
189 = builtin->builtin_ubyte;
190 lai->primitive_type_vector [d_primitive_type_short]
191 = builtin->builtin_short;
192 lai->primitive_type_vector [d_primitive_type_ushort]
193 = builtin->builtin_ushort;
194 lai->primitive_type_vector [d_primitive_type_int]
195 = builtin->builtin_int;
196 lai->primitive_type_vector [d_primitive_type_uint]
197 = builtin->builtin_uint;
198 lai->primitive_type_vector [d_primitive_type_long]
199 = builtin->builtin_long;
200 lai->primitive_type_vector [d_primitive_type_ulong]
201 = builtin->builtin_ulong;
202 lai->primitive_type_vector [d_primitive_type_cent]
203 = builtin->builtin_cent;
204 lai->primitive_type_vector [d_primitive_type_ucent]
205 = builtin->builtin_ucent;
206 lai->primitive_type_vector [d_primitive_type_float]
207 = builtin->builtin_float;
208 lai->primitive_type_vector [d_primitive_type_double]
209 = builtin->builtin_double;
210 lai->primitive_type_vector [d_primitive_type_real]
211 = builtin->builtin_real;
212 lai->primitive_type_vector [d_primitive_type_ifloat]
213 = builtin->builtin_ifloat;
214 lai->primitive_type_vector [d_primitive_type_idouble]
215 = builtin->builtin_idouble;
216 lai->primitive_type_vector [d_primitive_type_ireal]
217 = builtin->builtin_ireal;
218 lai->primitive_type_vector [d_primitive_type_cfloat]
219 = builtin->builtin_cfloat;
220 lai->primitive_type_vector [d_primitive_type_cdouble]
221 = builtin->builtin_cdouble;
222 lai->primitive_type_vector [d_primitive_type_creal]
223 = builtin->builtin_creal;
224 lai->primitive_type_vector [d_primitive_type_char]
225 = builtin->builtin_char;
226 lai->primitive_type_vector [d_primitive_type_wchar]
227 = builtin->builtin_wchar;
228 lai->primitive_type_vector [d_primitive_type_dchar]
229 = builtin->builtin_dchar;
230
231 lai->bool_type_symbol = "bool";
232 lai->bool_type_default = builtin->builtin_bool;
233 }
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234
235 /* See language.h. */
236 bool sniff_from_mangled_name (const char *mangled,
237 char **demangled) const override
238 {
239 *demangled = d_demangle (mangled, 0);
240 return *demangled != NULL;
241 }
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242
243 /* See language.h. */
244
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245 char *demangle (const char *mangled, int options) const override
246 {
247 return d_demangle (mangled, options);
248 }
249
250 /* See language.h. */
251
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252 void print_type (struct type *type, const char *varstring,
253 struct ui_file *stream, int show, int level,
254 const struct type_print_options *flags) const override
255 {
256 c_print_type (type, varstring, stream, show, level, flags);
257 }
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258
259 /* See language.h. */
260
261 void value_print_inner
262 (struct value *val, struct ui_file *stream, int recurse,
263 const struct value_print_options *options) const override
264 {
265 return d_value_print_inner (val, stream, recurse, options);
266 }
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267
268 /* See language.h. */
269
270 struct block_symbol lookup_symbol_nonlocal
271 (const char *name, const struct block *block,
272 const domain_enum domain) const override
273 {
274 return d_lookup_symbol_nonlocal (this, name, block, domain);
275 }
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276};
277
278/* Single instance of the D language class. */
279
280static d_language d_language_defn;
281
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282/* Build all D language types for the specified architecture. */
283
284static void *
285build_d_types (struct gdbarch *gdbarch)
286{
287 struct builtin_d_type *builtin_d_type
288 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
289
290 /* Basic types. */
291 builtin_d_type->builtin_void
77b7c781 292 = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
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293 builtin_d_type->builtin_bool
294 = arch_boolean_type (gdbarch, 8, 1, "bool");
295 builtin_d_type->builtin_byte
296 = arch_integer_type (gdbarch, 8, 0, "byte");
297 builtin_d_type->builtin_ubyte
298 = arch_integer_type (gdbarch, 8, 1, "ubyte");
299 builtin_d_type->builtin_short
300 = arch_integer_type (gdbarch, 16, 0, "short");
301 builtin_d_type->builtin_ushort
302 = arch_integer_type (gdbarch, 16, 1, "ushort");
303 builtin_d_type->builtin_int
304 = arch_integer_type (gdbarch, 32, 0, "int");
305 builtin_d_type->builtin_uint
306 = arch_integer_type (gdbarch, 32, 1, "uint");
307 builtin_d_type->builtin_long
308 = arch_integer_type (gdbarch, 64, 0, "long");
309 builtin_d_type->builtin_ulong
310 = arch_integer_type (gdbarch, 64, 1, "ulong");
311 builtin_d_type->builtin_cent
312 = arch_integer_type (gdbarch, 128, 0, "cent");
313 builtin_d_type->builtin_ucent
314 = arch_integer_type (gdbarch, 128, 1, "ucent");
315 builtin_d_type->builtin_float
316 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 317 "float", gdbarch_float_format (gdbarch));
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318 builtin_d_type->builtin_double
319 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 320 "double", gdbarch_double_format (gdbarch));
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321 builtin_d_type->builtin_real
322 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 323 "real", gdbarch_long_double_format (gdbarch));
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324
325 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
326 |= TYPE_INSTANCE_FLAG_NOTTEXT;
327 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
328 |= TYPE_INSTANCE_FLAG_NOTTEXT;
329
330 /* Imaginary and complex types. */
331 builtin_d_type->builtin_ifloat
332 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 333 "ifloat", gdbarch_float_format (gdbarch));
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334 builtin_d_type->builtin_idouble
335 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 336 "idouble", gdbarch_double_format (gdbarch));
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337 builtin_d_type->builtin_ireal
338 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 339 "ireal", gdbarch_long_double_format (gdbarch));
94b1b47e 340 builtin_d_type->builtin_cfloat
5b930b45 341 = init_complex_type ("cfloat", builtin_d_type->builtin_float);
94b1b47e 342 builtin_d_type->builtin_cdouble
5b930b45 343 = init_complex_type ("cdouble", builtin_d_type->builtin_double);
94b1b47e 344 builtin_d_type->builtin_creal
5b930b45 345 = init_complex_type ("creal", builtin_d_type->builtin_real);
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346
347 /* Character types. */
348 builtin_d_type->builtin_char
349 = arch_character_type (gdbarch, 8, 1, "char");
350 builtin_d_type->builtin_wchar
351 = arch_character_type (gdbarch, 16, 1, "wchar");
352 builtin_d_type->builtin_dchar
353 = arch_character_type (gdbarch, 32, 1, "dchar");
354
355 return builtin_d_type;
356}
357
358static struct gdbarch_data *d_type_data;
359
360/* Return the D type table for the specified architecture. */
361
362const struct builtin_d_type *
363builtin_d_type (struct gdbarch *gdbarch)
364{
9a3c8263 365 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
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366}
367
6c265988 368void _initialize_d_language ();
6aecb9c2 369void
6c265988 370_initialize_d_language ()
6aecb9c2 371{
94b1b47e 372 d_type_data = gdbarch_data_register_post_init (build_d_types);
6aecb9c2 373}
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