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gdb: Convert language la_print_type field to a method
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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. */
d133c3e1 152 d_value_print_inner, /* la_value_print_inner */
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153 c_value_print, /* Print a top-level value. */
154 NULL, /* Language specific skip_trampoline. */
155 "this",
59cc4834 156 false, /* la_store_sym_names_in_linkage_form_p */
bc7c9fab 157 d_lookup_symbol_nonlocal,
6aecb9c2 158 d_demangle, /* Language specific symbol demangler. */
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159 NULL, /* Language specific
160 class_name_from_physname. */
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161 d_op_print_tab, /* Expression operators for printing. */
162 1, /* C-style arrays. */
163 0, /* String lower bound. */
164 default_word_break_characters,
eb3ff9a5 165 default_collect_symbol_completion_matches,
43cc5389 166 c_watch_location_expression,
b5ec771e 167 NULL, /* la_get_symbol_name_matcher */
a53b64ea 168 &default_varobj_ops,
bb2ec1b3 169 NULL,
4be290b2 170 c_is_string_type_p,
721b08c6 171 "{...}" /* la_struct_too_deep_ellipsis */
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172};
173
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174/* Class representing the D language. */
175
176class d_language : public language_defn
177{
178public:
179 d_language ()
180 : language_defn (language_d, d_language_data)
181 { /* Nothing. */ }
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182
183 /* See language.h. */
184 void language_arch_info (struct gdbarch *gdbarch,
185 struct language_arch_info *lai) const override
186 {
187 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
188
189 lai->string_char_type = builtin->builtin_char;
190 lai->primitive_type_vector
191 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
192 struct type *);
193
194 lai->primitive_type_vector [d_primitive_type_void]
195 = builtin->builtin_void;
196 lai->primitive_type_vector [d_primitive_type_bool]
197 = builtin->builtin_bool;
198 lai->primitive_type_vector [d_primitive_type_byte]
199 = builtin->builtin_byte;
200 lai->primitive_type_vector [d_primitive_type_ubyte]
201 = builtin->builtin_ubyte;
202 lai->primitive_type_vector [d_primitive_type_short]
203 = builtin->builtin_short;
204 lai->primitive_type_vector [d_primitive_type_ushort]
205 = builtin->builtin_ushort;
206 lai->primitive_type_vector [d_primitive_type_int]
207 = builtin->builtin_int;
208 lai->primitive_type_vector [d_primitive_type_uint]
209 = builtin->builtin_uint;
210 lai->primitive_type_vector [d_primitive_type_long]
211 = builtin->builtin_long;
212 lai->primitive_type_vector [d_primitive_type_ulong]
213 = builtin->builtin_ulong;
214 lai->primitive_type_vector [d_primitive_type_cent]
215 = builtin->builtin_cent;
216 lai->primitive_type_vector [d_primitive_type_ucent]
217 = builtin->builtin_ucent;
218 lai->primitive_type_vector [d_primitive_type_float]
219 = builtin->builtin_float;
220 lai->primitive_type_vector [d_primitive_type_double]
221 = builtin->builtin_double;
222 lai->primitive_type_vector [d_primitive_type_real]
223 = builtin->builtin_real;
224 lai->primitive_type_vector [d_primitive_type_ifloat]
225 = builtin->builtin_ifloat;
226 lai->primitive_type_vector [d_primitive_type_idouble]
227 = builtin->builtin_idouble;
228 lai->primitive_type_vector [d_primitive_type_ireal]
229 = builtin->builtin_ireal;
230 lai->primitive_type_vector [d_primitive_type_cfloat]
231 = builtin->builtin_cfloat;
232 lai->primitive_type_vector [d_primitive_type_cdouble]
233 = builtin->builtin_cdouble;
234 lai->primitive_type_vector [d_primitive_type_creal]
235 = builtin->builtin_creal;
236 lai->primitive_type_vector [d_primitive_type_char]
237 = builtin->builtin_char;
238 lai->primitive_type_vector [d_primitive_type_wchar]
239 = builtin->builtin_wchar;
240 lai->primitive_type_vector [d_primitive_type_dchar]
241 = builtin->builtin_dchar;
242
243 lai->bool_type_symbol = "bool";
244 lai->bool_type_default = builtin->builtin_bool;
245 }
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246
247 /* See language.h. */
248 bool sniff_from_mangled_name (const char *mangled,
249 char **demangled) const override
250 {
251 *demangled = d_demangle (mangled, 0);
252 return *demangled != NULL;
253 }
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AB
254
255 /* See language.h. */
256
257 void print_type (struct type *type, const char *varstring,
258 struct ui_file *stream, int show, int level,
259 const struct type_print_options *flags) const override
260 {
261 c_print_type (type, varstring, stream, show, level, flags);
262 }
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263};
264
265/* Single instance of the D language class. */
266
267static d_language d_language_defn;
268
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269/* Build all D language types for the specified architecture. */
270
271static void *
272build_d_types (struct gdbarch *gdbarch)
273{
274 struct builtin_d_type *builtin_d_type
275 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
276
277 /* Basic types. */
278 builtin_d_type->builtin_void
77b7c781 279 = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
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280 builtin_d_type->builtin_bool
281 = arch_boolean_type (gdbarch, 8, 1, "bool");
282 builtin_d_type->builtin_byte
283 = arch_integer_type (gdbarch, 8, 0, "byte");
284 builtin_d_type->builtin_ubyte
285 = arch_integer_type (gdbarch, 8, 1, "ubyte");
286 builtin_d_type->builtin_short
287 = arch_integer_type (gdbarch, 16, 0, "short");
288 builtin_d_type->builtin_ushort
289 = arch_integer_type (gdbarch, 16, 1, "ushort");
290 builtin_d_type->builtin_int
291 = arch_integer_type (gdbarch, 32, 0, "int");
292 builtin_d_type->builtin_uint
293 = arch_integer_type (gdbarch, 32, 1, "uint");
294 builtin_d_type->builtin_long
295 = arch_integer_type (gdbarch, 64, 0, "long");
296 builtin_d_type->builtin_ulong
297 = arch_integer_type (gdbarch, 64, 1, "ulong");
298 builtin_d_type->builtin_cent
299 = arch_integer_type (gdbarch, 128, 0, "cent");
300 builtin_d_type->builtin_ucent
301 = arch_integer_type (gdbarch, 128, 1, "ucent");
302 builtin_d_type->builtin_float
303 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 304 "float", gdbarch_float_format (gdbarch));
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305 builtin_d_type->builtin_double
306 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 307 "double", gdbarch_double_format (gdbarch));
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308 builtin_d_type->builtin_real
309 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 310 "real", gdbarch_long_double_format (gdbarch));
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311
312 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
313 |= TYPE_INSTANCE_FLAG_NOTTEXT;
314 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
315 |= TYPE_INSTANCE_FLAG_NOTTEXT;
316
317 /* Imaginary and complex types. */
318 builtin_d_type->builtin_ifloat
319 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 320 "ifloat", gdbarch_float_format (gdbarch));
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321 builtin_d_type->builtin_idouble
322 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 323 "idouble", gdbarch_double_format (gdbarch));
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324 builtin_d_type->builtin_ireal
325 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 326 "ireal", gdbarch_long_double_format (gdbarch));
94b1b47e 327 builtin_d_type->builtin_cfloat
5b930b45 328 = init_complex_type ("cfloat", builtin_d_type->builtin_float);
94b1b47e 329 builtin_d_type->builtin_cdouble
5b930b45 330 = init_complex_type ("cdouble", builtin_d_type->builtin_double);
94b1b47e 331 builtin_d_type->builtin_creal
5b930b45 332 = init_complex_type ("creal", builtin_d_type->builtin_real);
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333
334 /* Character types. */
335 builtin_d_type->builtin_char
336 = arch_character_type (gdbarch, 8, 1, "char");
337 builtin_d_type->builtin_wchar
338 = arch_character_type (gdbarch, 16, 1, "wchar");
339 builtin_d_type->builtin_dchar
340 = arch_character_type (gdbarch, 32, 1, "dchar");
341
342 return builtin_d_type;
343}
344
345static struct gdbarch_data *d_type_data;
346
347/* Return the D type table for the specified architecture. */
348
349const struct builtin_d_type *
350builtin_d_type (struct gdbarch *gdbarch)
351{
9a3c8263 352 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
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353}
354
6c265988 355void _initialize_d_language ();
6aecb9c2 356void
6c265988 357_initialize_d_language ()
6aecb9c2 358{
94b1b47e 359 d_type_data = gdbarch_data_register_post_init (build_d_types);
6aecb9c2 360}
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