1 /* D language support routines for GDB, the GNU debugger.
3 Copyright (C) 2005-2017 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 static const struct language_defn d_language_defn =
221 c_printchar, /* Print a character constant. */
222 c_printstr, /* Function to print string constant. */
223 c_emit_char, /* Print a single char. */
224 c_print_type, /* Print a type using appropriate syntax. */
225 c_print_typedef, /* Print a typedef using appropriate
227 d_val_print, /* Print a value using appropriate syntax. */
228 c_value_print, /* Print a top-level value. */
229 default_read_var_value, /* la_read_var_value */
230 NULL, /* Language specific skip_trampoline. */
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_cmp */
249 iterate_over_symbols,
256 /* Build all D language types for the specified architecture. */
259 build_d_types (struct gdbarch *gdbarch)
261 struct builtin_d_type *builtin_d_type
262 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
265 builtin_d_type->builtin_void
266 = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
267 builtin_d_type->builtin_bool
268 = arch_boolean_type (gdbarch, 8, 1, "bool");
269 builtin_d_type->builtin_byte
270 = arch_integer_type (gdbarch, 8, 0, "byte");
271 builtin_d_type->builtin_ubyte
272 = arch_integer_type (gdbarch, 8, 1, "ubyte");
273 builtin_d_type->builtin_short
274 = arch_integer_type (gdbarch, 16, 0, "short");
275 builtin_d_type->builtin_ushort
276 = arch_integer_type (gdbarch, 16, 1, "ushort");
277 builtin_d_type->builtin_int
278 = arch_integer_type (gdbarch, 32, 0, "int");
279 builtin_d_type->builtin_uint
280 = arch_integer_type (gdbarch, 32, 1, "uint");
281 builtin_d_type->builtin_long
282 = arch_integer_type (gdbarch, 64, 0, "long");
283 builtin_d_type->builtin_ulong
284 = arch_integer_type (gdbarch, 64, 1, "ulong");
285 builtin_d_type->builtin_cent
286 = arch_integer_type (gdbarch, 128, 0, "cent");
287 builtin_d_type->builtin_ucent
288 = arch_integer_type (gdbarch, 128, 1, "ucent");
289 builtin_d_type->builtin_float
290 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
291 "float", gdbarch_float_format (gdbarch));
292 builtin_d_type->builtin_double
293 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
294 "double", gdbarch_double_format (gdbarch));
295 builtin_d_type->builtin_real
296 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
297 "real", gdbarch_long_double_format (gdbarch));
299 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
300 |= TYPE_INSTANCE_FLAG_NOTTEXT;
301 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
302 |= TYPE_INSTANCE_FLAG_NOTTEXT;
304 /* Imaginary and complex types. */
305 builtin_d_type->builtin_ifloat
306 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
307 "ifloat", gdbarch_float_format (gdbarch));
308 builtin_d_type->builtin_idouble
309 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
310 "idouble", gdbarch_double_format (gdbarch));
311 builtin_d_type->builtin_ireal
312 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
313 "ireal", gdbarch_long_double_format (gdbarch));
314 builtin_d_type->builtin_cfloat
315 = arch_complex_type (gdbarch, "cfloat",
316 builtin_d_type->builtin_float);
317 builtin_d_type->builtin_cdouble
318 = arch_complex_type (gdbarch, "cdouble",
319 builtin_d_type->builtin_double);
320 builtin_d_type->builtin_creal
321 = arch_complex_type (gdbarch, "creal",
322 builtin_d_type->builtin_real);
324 /* Character types. */
325 builtin_d_type->builtin_char
326 = arch_character_type (gdbarch, 8, 1, "char");
327 builtin_d_type->builtin_wchar
328 = arch_character_type (gdbarch, 16, 1, "wchar");
329 builtin_d_type->builtin_dchar
330 = arch_character_type (gdbarch, 32, 1, "dchar");
332 return builtin_d_type;
335 static struct gdbarch_data *d_type_data;
337 /* Return the D type table for the specified architecture. */
339 const struct builtin_d_type *
340 builtin_d_type (struct gdbarch *gdbarch)
342 return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
345 /* Provide a prototype to silence -Wmissing-prototypes. */
346 extern initialize_file_ftype _initialize_d_language;
349 _initialize_d_language (void)
351 d_type_data = gdbarch_data_register_post_init (build_d_types);
353 add_language (&d_language_defn);