1 /* D language support routines for GDB, the GNU debugger.
3 Copyright (C) 2005-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
27 #include "cp-support.h"
29 /* The name of the symbol to use to get the name of the main subprogram. */
30 static const char D_MAIN[] = "D main";
32 /* Function returning the special symbol name used by D for the main
33 procedure in the main program if it is found in minimal symbol list.
34 This function tries to find minimal symbols so that it finds them even
35 if the program was compiled without debugging information. */
40 struct bound_minimal_symbol msym;
42 msym = lookup_minimal_symbol (D_MAIN, NULL, NULL);
43 if (msym.minsym != NULL)
46 /* No known entry procedure found, the main program is probably not D. */
50 /* Implements the la_demangle language_defn routine for language D. */
53 d_demangle (const char *symbol, int options)
55 return gdb_demangle (symbol, options | DMGL_DLANG);
58 /* la_sniff_from_mangled_name implementation for D. */
61 d_sniff_from_mangled_name (const char *mangled, char **demangled)
63 *demangled = d_demangle (mangled, 0);
64 return *demangled != NULL;
67 /* Table mapping opcodes into strings for printing operators
68 and precedences of the operators. */
69 static const struct op_print d_op_print_tab[] =
71 {",", BINOP_COMMA, PREC_COMMA, 0},
72 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
73 {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
74 {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
75 {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
76 {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
77 {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
78 {"==", BINOP_EQUAL, PREC_ORDER, 0},
79 {"!=", BINOP_NOTEQUAL, PREC_ORDER, 0},
80 {"<=", BINOP_LEQ, PREC_ORDER, 0},
81 {">=", BINOP_GEQ, PREC_ORDER, 0},
82 {">", BINOP_GTR, PREC_ORDER, 0},
83 {"<", BINOP_LESS, PREC_ORDER, 0},
84 {">>", BINOP_RSH, PREC_SHIFT, 0},
85 {"<<", BINOP_LSH, PREC_SHIFT, 0},
86 {"+", BINOP_ADD, PREC_ADD, 0},
87 {"-", BINOP_SUB, PREC_ADD, 0},
88 {"~", BINOP_CONCAT, PREC_ADD, 0},
89 {"*", BINOP_MUL, PREC_MUL, 0},
90 {"/", BINOP_DIV, PREC_MUL, 0},
91 {"%", BINOP_REM, PREC_MUL, 0},
92 {"^^", BINOP_EXP, PREC_REPEAT, 0},
93 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
94 {"-", UNOP_NEG, PREC_PREFIX, 0},
95 {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
96 {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
97 {"*", UNOP_IND, PREC_PREFIX, 0},
98 {"&", UNOP_ADDR, PREC_PREFIX, 0},
99 {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
100 {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
101 {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
102 {NULL, OP_NULL, PREC_PREFIX, 0}
105 /* Mapping of all D basic data types into the language vector. */
107 enum d_primitive_types {
108 d_primitive_type_void,
109 d_primitive_type_bool,
110 d_primitive_type_byte,
111 d_primitive_type_ubyte,
112 d_primitive_type_short,
113 d_primitive_type_ushort,
114 d_primitive_type_int,
115 d_primitive_type_uint,
116 d_primitive_type_long,
117 d_primitive_type_ulong,
118 d_primitive_type_cent, /* Signed 128 bit integer. */
119 d_primitive_type_ucent, /* Unsigned 128 bit integer. */
120 d_primitive_type_float,
121 d_primitive_type_double,
122 d_primitive_type_real,
123 d_primitive_type_ifloat, /* Imaginary float types. */
124 d_primitive_type_idouble,
125 d_primitive_type_ireal,
126 d_primitive_type_cfloat, /* Complex number of two float values. */
127 d_primitive_type_cdouble,
128 d_primitive_type_creal,
129 d_primitive_type_char, /* Unsigned character types. */
130 d_primitive_type_wchar,
131 d_primitive_type_dchar,
135 /* Implements the la_language_arch_info language_defn routine
139 d_language_arch_info (struct gdbarch *gdbarch,
140 struct language_arch_info *lai)
142 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
144 lai->string_char_type = builtin->builtin_char;
145 lai->primitive_type_vector
146 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
149 lai->primitive_type_vector [d_primitive_type_void]
150 = builtin->builtin_void;
151 lai->primitive_type_vector [d_primitive_type_bool]
152 = builtin->builtin_bool;
153 lai->primitive_type_vector [d_primitive_type_byte]
154 = builtin->builtin_byte;
155 lai->primitive_type_vector [d_primitive_type_ubyte]
156 = builtin->builtin_ubyte;
157 lai->primitive_type_vector [d_primitive_type_short]
158 = builtin->builtin_short;
159 lai->primitive_type_vector [d_primitive_type_ushort]
160 = builtin->builtin_ushort;
161 lai->primitive_type_vector [d_primitive_type_int]
162 = builtin->builtin_int;
163 lai->primitive_type_vector [d_primitive_type_uint]
164 = builtin->builtin_uint;
165 lai->primitive_type_vector [d_primitive_type_long]
166 = builtin->builtin_long;
167 lai->primitive_type_vector [d_primitive_type_ulong]
168 = builtin->builtin_ulong;
169 lai->primitive_type_vector [d_primitive_type_cent]
170 = builtin->builtin_cent;
171 lai->primitive_type_vector [d_primitive_type_ucent]
172 = builtin->builtin_ucent;
173 lai->primitive_type_vector [d_primitive_type_float]
174 = builtin->builtin_float;
175 lai->primitive_type_vector [d_primitive_type_double]
176 = builtin->builtin_double;
177 lai->primitive_type_vector [d_primitive_type_real]
178 = builtin->builtin_real;
179 lai->primitive_type_vector [d_primitive_type_ifloat]
180 = builtin->builtin_ifloat;
181 lai->primitive_type_vector [d_primitive_type_idouble]
182 = builtin->builtin_idouble;
183 lai->primitive_type_vector [d_primitive_type_ireal]
184 = builtin->builtin_ireal;
185 lai->primitive_type_vector [d_primitive_type_cfloat]
186 = builtin->builtin_cfloat;
187 lai->primitive_type_vector [d_primitive_type_cdouble]
188 = builtin->builtin_cdouble;
189 lai->primitive_type_vector [d_primitive_type_creal]
190 = builtin->builtin_creal;
191 lai->primitive_type_vector [d_primitive_type_char]
192 = builtin->builtin_char;
193 lai->primitive_type_vector [d_primitive_type_wchar]
194 = builtin->builtin_wchar;
195 lai->primitive_type_vector [d_primitive_type_dchar]
196 = builtin->builtin_dchar;
198 lai->bool_type_symbol = "bool";
199 lai->bool_type_default = builtin->builtin_bool;
202 static const char *d_extensions[] =
207 extern const struct language_defn d_language_defn =
220 c_printchar, /* Print a character constant. */
221 c_printstr, /* Function to print string constant. */
222 c_emit_char, /* Print a single char. */
223 c_print_type, /* Print a type using appropriate syntax. */
224 c_print_typedef, /* Print a typedef using appropriate
226 d_val_print, /* Print a value using appropriate syntax. */
227 c_value_print, /* Print a top-level value. */
228 default_read_var_value, /* la_read_var_value */
229 NULL, /* Language specific skip_trampoline. */
231 false, /* la_store_sym_names_in_linkage_form_p */
232 d_lookup_symbol_nonlocal,
233 basic_lookup_transparent_type,
234 d_demangle, /* Language specific symbol demangler. */
235 d_sniff_from_mangled_name,
236 NULL, /* Language specific
237 class_name_from_physname. */
238 d_op_print_tab, /* Expression operators for printing. */
239 1, /* C-style arrays. */
240 0, /* String lower bound. */
241 default_word_break_characters,
242 default_collect_symbol_completion_matches,
243 d_language_arch_info,
244 default_print_array_index,
245 default_pass_by_reference,
247 c_watch_location_expression,
248 NULL, /* la_get_symbol_name_matcher */
249 iterate_over_symbols,
250 default_search_name_hash,
257 /* Build all D language types for the specified architecture. */
260 build_d_types (struct gdbarch *gdbarch)
262 struct builtin_d_type *builtin_d_type
263 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
266 builtin_d_type->builtin_void
267 = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
268 builtin_d_type->builtin_bool
269 = arch_boolean_type (gdbarch, 8, 1, "bool");
270 builtin_d_type->builtin_byte
271 = arch_integer_type (gdbarch, 8, 0, "byte");
272 builtin_d_type->builtin_ubyte
273 = arch_integer_type (gdbarch, 8, 1, "ubyte");
274 builtin_d_type->builtin_short
275 = arch_integer_type (gdbarch, 16, 0, "short");
276 builtin_d_type->builtin_ushort
277 = arch_integer_type (gdbarch, 16, 1, "ushort");
278 builtin_d_type->builtin_int
279 = arch_integer_type (gdbarch, 32, 0, "int");
280 builtin_d_type->builtin_uint
281 = arch_integer_type (gdbarch, 32, 1, "uint");
282 builtin_d_type->builtin_long
283 = arch_integer_type (gdbarch, 64, 0, "long");
284 builtin_d_type->builtin_ulong
285 = arch_integer_type (gdbarch, 64, 1, "ulong");
286 builtin_d_type->builtin_cent
287 = arch_integer_type (gdbarch, 128, 0, "cent");
288 builtin_d_type->builtin_ucent
289 = arch_integer_type (gdbarch, 128, 1, "ucent");
290 builtin_d_type->builtin_float
291 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
292 "float", gdbarch_float_format (gdbarch));
293 builtin_d_type->builtin_double
294 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
295 "double", gdbarch_double_format (gdbarch));
296 builtin_d_type->builtin_real
297 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
298 "real", gdbarch_long_double_format (gdbarch));
300 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
301 |= TYPE_INSTANCE_FLAG_NOTTEXT;
302 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
303 |= TYPE_INSTANCE_FLAG_NOTTEXT;
305 /* Imaginary and complex types. */
306 builtin_d_type->builtin_ifloat
307 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
308 "ifloat", gdbarch_float_format (gdbarch));
309 builtin_d_type->builtin_idouble
310 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
311 "idouble", gdbarch_double_format (gdbarch));
312 builtin_d_type->builtin_ireal
313 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
314 "ireal", gdbarch_long_double_format (gdbarch));
315 builtin_d_type->builtin_cfloat
316 = arch_complex_type (gdbarch, "cfloat",
317 builtin_d_type->builtin_float);
318 builtin_d_type->builtin_cdouble
319 = arch_complex_type (gdbarch, "cdouble",
320 builtin_d_type->builtin_double);
321 builtin_d_type->builtin_creal
322 = arch_complex_type (gdbarch, "creal",
323 builtin_d_type->builtin_real);
325 /* Character types. */
326 builtin_d_type->builtin_char
327 = arch_character_type (gdbarch, 8, 1, "char");
328 builtin_d_type->builtin_wchar
329 = arch_character_type (gdbarch, 16, 1, "wchar");
330 builtin_d_type->builtin_dchar
331 = arch_character_type (gdbarch, 32, 1, "dchar");
333 return builtin_d_type;
336 static struct gdbarch_data *d_type_data;
338 /* Return the D type table for the specified architecture. */
340 const struct builtin_d_type *
341 builtin_d_type (struct gdbarch *gdbarch)
343 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
347 _initialize_d_language (void)
349 d_type_data = gdbarch_data_register_post_init (build_d_types);