Move D demangling routines out of d-lang.c and into d-support.c, which
[deliverable/binutils-gdb.git] / gdb / d-lang.c
CommitLineData
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1/* D language support routines for GDB, the GNU debugger.
2
ecd75fc8 3 Copyright (C) 2005-2014 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"
21#include "symtab.h"
22#include "language.h"
a53b64ea 23#include "varobj.h"
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24#include "d-lang.h"
25#include "c-lang.h"
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26#include "parser-defs.h"
27#include "gdb_obstack.h"
28
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29/* The name of the symbol to use to get the name of the main subprogram. */
30static const char D_MAIN[] = "D main";
31
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. */
36
37const char *
38d_main_name (void)
39{
40 struct minimal_symbol *msym;
41
42 msym = lookup_minimal_symbol (D_MAIN, NULL, NULL);
43 if (msym != NULL)
44 return D_MAIN;
45
46 /* No known entry procedure found, the main program is probably not D. */
47 return NULL;
48}
49
6aecb9c2 50/* Implements the la_demangle language_defn routine for language D. */
ec9f644a 51
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52char *
53d_demangle (const char *symbol, int options)
54{
55 struct obstack tempbuf;
ec9f644a 56 char *result;
6aecb9c2 57
ec9f644a 58 if ((symbol == NULL) || (*symbol == '\0'))
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59 return NULL;
60 else if (strcmp (symbol, "_Dmain") == 0)
61 return xstrdup ("D main");
62
63 obstack_init (&tempbuf);
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64
65 if (strncmp (symbol, "_D", 2) == 0)
66 symbol += 2;
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67 else
68 {
69 obstack_free (&tempbuf, NULL);
70 return NULL;
71 }
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72
73 if (d_parse_symbol (&tempbuf, symbol) != NULL)
6aecb9c2 74 {
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75 obstack_grow_str0 (&tempbuf, "");
76 result = xstrdup (obstack_finish (&tempbuf));
6aecb9c2 77 obstack_free (&tempbuf, NULL);
6aecb9c2 78 }
ec9f644a 79 else
6aecb9c2 80 {
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81 obstack_free (&tempbuf, NULL);
82 return NULL;
83 }
6aecb9c2 84
ec9f644a 85 return result;
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86}
87
88/* Table mapping opcodes into strings for printing operators
89 and precedences of the operators. */
90static const struct op_print d_op_print_tab[] =
91{
92 {",", BINOP_COMMA, PREC_COMMA, 0},
93 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
94 {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
95 {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
96 {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
97 {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
98 {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
99 {"==", BINOP_EQUAL, PREC_EQUAL, 0},
100 {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
101 {"<=", BINOP_LEQ, PREC_ORDER, 0},
102 {">=", BINOP_GEQ, PREC_ORDER, 0},
103 {">", BINOP_GTR, PREC_ORDER, 0},
104 {"<", BINOP_LESS, PREC_ORDER, 0},
105 {">>", BINOP_RSH, PREC_SHIFT, 0},
106 {"<<", BINOP_LSH, PREC_SHIFT, 0},
107 {"+", BINOP_ADD, PREC_ADD, 0},
108 {"-", BINOP_SUB, PREC_ADD, 0},
109 {"*", BINOP_MUL, PREC_MUL, 0},
110 {"/", BINOP_DIV, PREC_MUL, 0},
111 {"%", BINOP_REM, PREC_MUL, 0},
112 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
113 {"-", UNOP_NEG, PREC_PREFIX, 0},
114 {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
115 {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
116 {"*", UNOP_IND, PREC_PREFIX, 0},
117 {"&", UNOP_ADDR, PREC_PREFIX, 0},
118 {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
119 {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
120 {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
121 {NULL, 0, 0, 0}
122};
123
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124/* Mapping of all D basic data types into the language vector. */
125
126enum d_primitive_types {
127 d_primitive_type_void,
128 d_primitive_type_bool,
129 d_primitive_type_byte,
130 d_primitive_type_ubyte,
131 d_primitive_type_short,
132 d_primitive_type_ushort,
133 d_primitive_type_int,
134 d_primitive_type_uint,
135 d_primitive_type_long,
136 d_primitive_type_ulong,
137 d_primitive_type_cent, /* Signed 128 bit integer. */
138 d_primitive_type_ucent, /* Unsigned 128 bit integer. */
139 d_primitive_type_float,
140 d_primitive_type_double,
141 d_primitive_type_real,
142 d_primitive_type_ifloat, /* Imaginary float types. */
143 d_primitive_type_idouble,
144 d_primitive_type_ireal,
145 d_primitive_type_cfloat, /* Complex number of two float values. */
146 d_primitive_type_cdouble,
147 d_primitive_type_creal,
148 d_primitive_type_char, /* Unsigned character types. */
149 d_primitive_type_wchar,
150 d_primitive_type_dchar,
151 nr_d_primitive_types
152};
153
154/* Implements the la_language_arch_info language_defn routine
155 for language D. */
156
157static void
158d_language_arch_info (struct gdbarch *gdbarch,
159 struct language_arch_info *lai)
160{
161 const struct builtin_d_type *builtin = builtin_d_type (gdbarch);
162
163 lai->string_char_type = builtin->builtin_char;
164 lai->primitive_type_vector
165 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1,
166 struct type *);
167
168 lai->primitive_type_vector [d_primitive_type_void]
169 = builtin->builtin_void;
170 lai->primitive_type_vector [d_primitive_type_bool]
171 = builtin->builtin_bool;
172 lai->primitive_type_vector [d_primitive_type_byte]
173 = builtin->builtin_byte;
174 lai->primitive_type_vector [d_primitive_type_ubyte]
175 = builtin->builtin_ubyte;
176 lai->primitive_type_vector [d_primitive_type_short]
177 = builtin->builtin_short;
178 lai->primitive_type_vector [d_primitive_type_ushort]
179 = builtin->builtin_ushort;
180 lai->primitive_type_vector [d_primitive_type_int]
181 = builtin->builtin_int;
182 lai->primitive_type_vector [d_primitive_type_uint]
183 = builtin->builtin_uint;
184 lai->primitive_type_vector [d_primitive_type_long]
185 = builtin->builtin_long;
186 lai->primitive_type_vector [d_primitive_type_ulong]
187 = builtin->builtin_ulong;
188 lai->primitive_type_vector [d_primitive_type_cent]
189 = builtin->builtin_cent;
190 lai->primitive_type_vector [d_primitive_type_ucent]
191 = builtin->builtin_ucent;
192 lai->primitive_type_vector [d_primitive_type_float]
193 = builtin->builtin_float;
194 lai->primitive_type_vector [d_primitive_type_double]
195 = builtin->builtin_double;
196 lai->primitive_type_vector [d_primitive_type_real]
197 = builtin->builtin_real;
198 lai->primitive_type_vector [d_primitive_type_ifloat]
199 = builtin->builtin_ifloat;
200 lai->primitive_type_vector [d_primitive_type_idouble]
201 = builtin->builtin_idouble;
202 lai->primitive_type_vector [d_primitive_type_ireal]
203 = builtin->builtin_ireal;
204 lai->primitive_type_vector [d_primitive_type_cfloat]
205 = builtin->builtin_cfloat;
206 lai->primitive_type_vector [d_primitive_type_cdouble]
207 = builtin->builtin_cdouble;
208 lai->primitive_type_vector [d_primitive_type_creal]
209 = builtin->builtin_creal;
210 lai->primitive_type_vector [d_primitive_type_char]
211 = builtin->builtin_char;
212 lai->primitive_type_vector [d_primitive_type_wchar]
213 = builtin->builtin_wchar;
214 lai->primitive_type_vector [d_primitive_type_dchar]
215 = builtin->builtin_dchar;
216
217 lai->bool_type_symbol = "bool";
218 lai->bool_type_default = builtin->builtin_bool;
219}
220
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221static const struct language_defn d_language_defn =
222{
223 "d",
6abde28f 224 "D",
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225 language_d,
226 range_check_off,
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227 case_sensitive_on,
228 array_row_major,
3271ba66 229 macro_expansion_no,
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230 &exp_descriptor_c,
231 c_parse,
232 c_error,
233 null_post_parser,
234 c_printchar, /* Print a character constant. */
235 c_printstr, /* Function to print string constant. */
236 c_emit_char, /* Print a single char. */
237 c_print_type, /* Print a type using appropriate syntax. */
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238 c_print_typedef, /* Print a typedef using appropriate
239 syntax. */
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240 d_val_print, /* Print a value using appropriate syntax. */
241 c_value_print, /* Print a top-level value. */
a5ee536b 242 default_read_var_value, /* la_read_var_value */
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243 NULL, /* Language specific skip_trampoline. */
244 "this",
245 basic_lookup_symbol_nonlocal,
246 basic_lookup_transparent_type,
247 d_demangle, /* Language specific symbol demangler. */
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248 NULL, /* Language specific
249 class_name_from_physname. */
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250 d_op_print_tab, /* Expression operators for printing. */
251 1, /* C-style arrays. */
252 0, /* String lower bound. */
253 default_word_break_characters,
254 default_make_symbol_completion_list,
94b1b47e 255 d_language_arch_info,
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256 default_print_array_index,
257 default_pass_by_reference,
258 c_get_string,
1a119f36 259 NULL, /* la_get_symbol_name_cmp */
95cbceff 260 iterate_over_symbols,
a53b64ea 261 &default_varobj_ops,
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262 LANG_MAGIC
263};
264
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265/* Build all D language types for the specified architecture. */
266
267static void *
268build_d_types (struct gdbarch *gdbarch)
269{
270 struct builtin_d_type *builtin_d_type
271 = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);
272
273 /* Basic types. */
274 builtin_d_type->builtin_void
275 = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
276 builtin_d_type->builtin_bool
277 = arch_boolean_type (gdbarch, 8, 1, "bool");
278 builtin_d_type->builtin_byte
279 = arch_integer_type (gdbarch, 8, 0, "byte");
280 builtin_d_type->builtin_ubyte
281 = arch_integer_type (gdbarch, 8, 1, "ubyte");
282 builtin_d_type->builtin_short
283 = arch_integer_type (gdbarch, 16, 0, "short");
284 builtin_d_type->builtin_ushort
285 = arch_integer_type (gdbarch, 16, 1, "ushort");
286 builtin_d_type->builtin_int
287 = arch_integer_type (gdbarch, 32, 0, "int");
288 builtin_d_type->builtin_uint
289 = arch_integer_type (gdbarch, 32, 1, "uint");
290 builtin_d_type->builtin_long
291 = arch_integer_type (gdbarch, 64, 0, "long");
292 builtin_d_type->builtin_ulong
293 = arch_integer_type (gdbarch, 64, 1, "ulong");
294 builtin_d_type->builtin_cent
295 = arch_integer_type (gdbarch, 128, 0, "cent");
296 builtin_d_type->builtin_ucent
297 = arch_integer_type (gdbarch, 128, 1, "ucent");
298 builtin_d_type->builtin_float
299 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
300 "float", NULL);
301 builtin_d_type->builtin_double
302 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
303 "double", NULL);
304 builtin_d_type->builtin_real
305 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
306 "real", NULL);
307
308 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte)
309 |= TYPE_INSTANCE_FLAG_NOTTEXT;
310 TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte)
311 |= TYPE_INSTANCE_FLAG_NOTTEXT;
312
313 /* Imaginary and complex types. */
314 builtin_d_type->builtin_ifloat
315 = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
316 "ifloat", NULL);
317 builtin_d_type->builtin_idouble
318 = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
319 "idouble", NULL);
320 builtin_d_type->builtin_ireal
321 = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
322 "ireal", NULL);
323 builtin_d_type->builtin_cfloat
324 = arch_complex_type (gdbarch, "cfloat",
325 builtin_d_type->builtin_float);
326 builtin_d_type->builtin_cdouble
327 = arch_complex_type (gdbarch, "cdouble",
328 builtin_d_type->builtin_double);
329 builtin_d_type->builtin_creal
330 = arch_complex_type (gdbarch, "creal",
331 builtin_d_type->builtin_real);
332
333 /* Character types. */
334 builtin_d_type->builtin_char
335 = arch_character_type (gdbarch, 8, 1, "char");
336 builtin_d_type->builtin_wchar
337 = arch_character_type (gdbarch, 16, 1, "wchar");
338 builtin_d_type->builtin_dchar
339 = arch_character_type (gdbarch, 32, 1, "dchar");
340
341 return builtin_d_type;
342}
343
344static struct gdbarch_data *d_type_data;
345
346/* Return the D type table for the specified architecture. */
347
348const struct builtin_d_type *
349builtin_d_type (struct gdbarch *gdbarch)
350{
351 return gdbarch_data (gdbarch, d_type_data);
352}
353
70221824
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354/* Provide a prototype to silence -Wmissing-prototypes. */
355extern initialize_file_ftype _initialize_d_language;
356
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357void
358_initialize_d_language (void)
359{
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360 d_type_data = gdbarch_data_register_post_init (build_d_types);
361
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362 add_language (&d_language_defn);
363}
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