gdb: Convert language la_printchar 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,
6aecb9c2 145 c_printstr, /* Function to print string constant. */
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146 c_print_typedef, /* Print a typedef using appropriate
147 syntax. */
6aecb9c2 148 "this",
59cc4834 149 false, /* la_store_sym_names_in_linkage_form_p */
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150 d_op_print_tab, /* Expression operators for printing. */
151 1, /* C-style arrays. */
152 0, /* String lower bound. */
a53b64ea 153 &default_varobj_ops,
4be290b2 154 c_is_string_type_p,
721b08c6 155 "{...}" /* la_struct_too_deep_ellipsis */
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156};
157
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158/* Class representing the D language. */
159
160class d_language : public language_defn
161{
162public:
163 d_language ()
164 : language_defn (language_d, d_language_data)
165 { /* Nothing. */ }
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166
167 /* See language.h. */
168 void language_arch_info (struct gdbarch *gdbarch,
169 struct language_arch_info *lai) const override
170 {
171 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
172
173 lai->string_char_type = builtin->builtin_char;
174 lai->primitive_type_vector
175 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
176 struct type *);
177
178 lai->primitive_type_vector [d_primitive_type_void]
179 = builtin->builtin_void;
180 lai->primitive_type_vector [d_primitive_type_bool]
181 = builtin->builtin_bool;
182 lai->primitive_type_vector [d_primitive_type_byte]
183 = builtin->builtin_byte;
184 lai->primitive_type_vector [d_primitive_type_ubyte]
185 = builtin->builtin_ubyte;
186 lai->primitive_type_vector [d_primitive_type_short]
187 = builtin->builtin_short;
188 lai->primitive_type_vector [d_primitive_type_ushort]
189 = builtin->builtin_ushort;
190 lai->primitive_type_vector [d_primitive_type_int]
191 = builtin->builtin_int;
192 lai->primitive_type_vector [d_primitive_type_uint]
193 = builtin->builtin_uint;
194 lai->primitive_type_vector [d_primitive_type_long]
195 = builtin->builtin_long;
196 lai->primitive_type_vector [d_primitive_type_ulong]
197 = builtin->builtin_ulong;
198 lai->primitive_type_vector [d_primitive_type_cent]
199 = builtin->builtin_cent;
200 lai->primitive_type_vector [d_primitive_type_ucent]
201 = builtin->builtin_ucent;
202 lai->primitive_type_vector [d_primitive_type_float]
203 = builtin->builtin_float;
204 lai->primitive_type_vector [d_primitive_type_double]
205 = builtin->builtin_double;
206 lai->primitive_type_vector [d_primitive_type_real]
207 = builtin->builtin_real;
208 lai->primitive_type_vector [d_primitive_type_ifloat]
209 = builtin->builtin_ifloat;
210 lai->primitive_type_vector [d_primitive_type_idouble]
211 = builtin->builtin_idouble;
212 lai->primitive_type_vector [d_primitive_type_ireal]
213 = builtin->builtin_ireal;
214 lai->primitive_type_vector [d_primitive_type_cfloat]
215 = builtin->builtin_cfloat;
216 lai->primitive_type_vector [d_primitive_type_cdouble]
217 = builtin->builtin_cdouble;
218 lai->primitive_type_vector [d_primitive_type_creal]
219 = builtin->builtin_creal;
220 lai->primitive_type_vector [d_primitive_type_char]
221 = builtin->builtin_char;
222 lai->primitive_type_vector [d_primitive_type_wchar]
223 = builtin->builtin_wchar;
224 lai->primitive_type_vector [d_primitive_type_dchar]
225 = builtin->builtin_dchar;
226
227 lai->bool_type_symbol = "bool";
228 lai->bool_type_default = builtin->builtin_bool;
229 }
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230
231 /* See language.h. */
232 bool sniff_from_mangled_name (const char *mangled,
233 char **demangled) const override
234 {
235 *demangled = d_demangle (mangled, 0);
236 return *demangled != NULL;
237 }
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238
239 /* See language.h. */
240
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241 char *demangle (const char *mangled, int options) const override
242 {
243 return d_demangle (mangled, options);
244 }
245
246 /* See language.h. */
247
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248 void print_type (struct type *type, const char *varstring,
249 struct ui_file *stream, int show, int level,
250 const struct type_print_options *flags) const override
251 {
252 c_print_type (type, varstring, stream, show, level, flags);
253 }
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254
255 /* See language.h. */
256
257 void value_print_inner
258 (struct value *val, struct ui_file *stream, int recurse,
259 const struct value_print_options *options) const override
260 {
261 return d_value_print_inner (val, stream, recurse, options);
262 }
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263
264 /* See language.h. */
265
266 struct block_symbol lookup_symbol_nonlocal
267 (const char *name, const struct block *block,
268 const domain_enum domain) const override
269 {
270 return d_lookup_symbol_nonlocal (this, name, block, domain);
271 }
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272
273 /* See language.h. */
274
275 int parser (struct parser_state *ps) const override
276 {
277 return d_parse (ps);
278 }
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279};
280
281/* Single instance of the D language class. */
282
283static d_language d_language_defn;
284
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285/* Build all D language types for the specified architecture. */
286
287static void *
288build_d_types (struct gdbarch *gdbarch)
289{
290 struct builtin_d_type *builtin_d_type
291 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
292
293 /* Basic types. */
294 builtin_d_type->builtin_void
77b7c781 295 = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
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296 builtin_d_type->builtin_bool
297 = arch_boolean_type (gdbarch, 8, 1, "bool");
298 builtin_d_type->builtin_byte
299 = arch_integer_type (gdbarch, 8, 0, "byte");
300 builtin_d_type->builtin_ubyte
301 = arch_integer_type (gdbarch, 8, 1, "ubyte");
302 builtin_d_type->builtin_short
303 = arch_integer_type (gdbarch, 16, 0, "short");
304 builtin_d_type->builtin_ushort
305 = arch_integer_type (gdbarch, 16, 1, "ushort");
306 builtin_d_type->builtin_int
307 = arch_integer_type (gdbarch, 32, 0, "int");
308 builtin_d_type->builtin_uint
309 = arch_integer_type (gdbarch, 32, 1, "uint");
310 builtin_d_type->builtin_long
311 = arch_integer_type (gdbarch, 64, 0, "long");
312 builtin_d_type->builtin_ulong
313 = arch_integer_type (gdbarch, 64, 1, "ulong");
314 builtin_d_type->builtin_cent
315 = arch_integer_type (gdbarch, 128, 0, "cent");
316 builtin_d_type->builtin_ucent
317 = arch_integer_type (gdbarch, 128, 1, "ucent");
318 builtin_d_type->builtin_float
319 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 320 "float", gdbarch_float_format (gdbarch));
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321 builtin_d_type->builtin_double
322 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 323 "double", gdbarch_double_format (gdbarch));
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324 builtin_d_type->builtin_real
325 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 326 "real", gdbarch_long_double_format (gdbarch));
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327
328 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
329 |= TYPE_INSTANCE_FLAG_NOTTEXT;
330 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
331 |= TYPE_INSTANCE_FLAG_NOTTEXT;
332
333 /* Imaginary and complex types. */
334 builtin_d_type->builtin_ifloat
335 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
49f190bc 336 "ifloat", gdbarch_float_format (gdbarch));
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337 builtin_d_type->builtin_idouble
338 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
49f190bc 339 "idouble", gdbarch_double_format (gdbarch));
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340 builtin_d_type->builtin_ireal
341 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
49f190bc 342 "ireal", gdbarch_long_double_format (gdbarch));
94b1b47e 343 builtin_d_type->builtin_cfloat
5b930b45 344 = init_complex_type ("cfloat", builtin_d_type->builtin_float);
94b1b47e 345 builtin_d_type->builtin_cdouble
5b930b45 346 = init_complex_type ("cdouble", builtin_d_type->builtin_double);
94b1b47e 347 builtin_d_type->builtin_creal
5b930b45 348 = init_complex_type ("creal", builtin_d_type->builtin_real);
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349
350 /* Character types. */
351 builtin_d_type->builtin_char
352 = arch_character_type (gdbarch, 8, 1, "char");
353 builtin_d_type->builtin_wchar
354 = arch_character_type (gdbarch, 16, 1, "wchar");
355 builtin_d_type->builtin_dchar
356 = arch_character_type (gdbarch, 32, 1, "dchar");
357
358 return builtin_d_type;
359}
360
361static struct gdbarch_data *d_type_data;
362
363/* Return the D type table for the specified architecture. */
364
365const struct builtin_d_type *
366builtin_d_type (struct gdbarch *gdbarch)
367{
9a3c8263 368 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
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369}
370
6c265988 371void _initialize_d_language ();
6aecb9c2 372void
6c265988 373_initialize_d_language ()
6aecb9c2 374{
94b1b47e 375 d_type_data = gdbarch_data_register_post_init (build_d_types);
6aecb9c2 376}
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