aboutsummaryrefslogtreecommitdiff
path: root/gdb/d-lang.c
blob: ec4a80a3223802ba07daaf1ec57dd3a84c109831 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
/* D language support routines for GDB, the GNU debugger.

   Copyright (C) 2005-2022 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "defs.h"
#include "symtab.h"
#include "language.h"
#include "varobj.h"
#include "d-lang.h"
#include "c-lang.h"
#include "demangle.h"
#include "cp-support.h"
#include "gdbarch.h"
#include "parser-defs.h"

/* The name of the symbol to use to get the name of the main subprogram.  */
static const char D_MAIN[] = "D main";

/* Function returning the special symbol name used by D for the main
   procedure in the main program if it is found in minimal symbol list.
   This function tries to find minimal symbols so that it finds them even
   if the program was compiled without debugging information.  */

const char *
d_main_name (void)
{
  struct bound_minimal_symbol msym;

  msym = lookup_minimal_symbol (D_MAIN, NULL, NULL);
  if (msym.minsym != NULL)
    return D_MAIN;

  /* No known entry procedure found, the main program is probably not D.  */
  return NULL;
}

/* Implements the la_demangle language_defn routine for language D.  */

gdb::unique_xmalloc_ptr<char>
d_demangle (const char *symbol, int options)
{
  return gdb_demangle (symbol, options | DMGL_DLANG);
}

/* Class representing the D language.  */

class d_language : public language_defn
{
public:
  d_language ()
    : language_defn (language_d)
  { /* Nothing.  */ }

  /* See language.h.  */

  const char *name () const override
  { return "d"; }

  /* See language.h.  */

  const char *natural_name () const override
  { return "D"; }

  /* See language.h.  */

  const std::vector<const char *> &filename_extensions () const override
  {
    static const std::vector<const char *> extensions = { ".d" };
    return extensions;
  }

  /* See language.h.  */
  void language_arch_info (struct gdbarch *gdbarch,
			   struct language_arch_info *lai) const override
  {
    const struct builtin_d_type *builtin = builtin_d_type (gdbarch);

    /* Helper function to allow shorter lines below.  */
    auto add  = [&] (struct type * t)
    {
      lai->add_primitive_type (t);
    };

    add (builtin->builtin_void);
    add (builtin->builtin_bool);
    add (builtin->builtin_byte);
    add (builtin->builtin_ubyte);
    add (builtin->builtin_short);
    add (builtin->builtin_ushort);
    add (builtin->builtin_int);
    add (builtin->builtin_uint);
    add (builtin->builtin_long);
    add (builtin->builtin_ulong);
    add (builtin->builtin_cent);
    add (builtin->builtin_ucent);
    add (builtin->builtin_float);
    add (builtin->builtin_double);
    add (builtin->builtin_real);
    add (builtin->builtin_ifloat);
    add (builtin->builtin_idouble);
    add (builtin->builtin_ireal);
    add (builtin->builtin_cfloat);
    add (builtin->builtin_cdouble);
    add (builtin->builtin_creal);
    add (builtin->builtin_char);
    add (builtin->builtin_wchar);
    add (builtin->builtin_dchar);

    lai->set_string_char_type (builtin->builtin_char);
    lai->set_bool_type (builtin->builtin_bool, "bool");
  }

  /* See language.h.  */
  bool sniff_from_mangled_name
       (const char *mangled,
	gdb::unique_xmalloc_ptr<char> *demangled) const override
  {
    *demangled = d_demangle (mangled, 0);
    return *demangled != NULL;
  }

  /* See language.h.  */

  gdb::unique_xmalloc_ptr<char> demangle_symbol (const char *mangled,
						 int options) const override
  {
    return d_demangle (mangled, options);
  }

  /* See language.h.  */

  void print_type (struct type *type, const char *varstring,
		   struct ui_file *stream, int show, int level,
		   const struct type_print_options *flags) const override
  {
    c_print_type (type, varstring, stream, show, level, flags);
  }

  /* See language.h.  */

  void value_print_inner
	(struct value *val, struct ui_file *stream, int recurse,
	 const struct value_print_options *options) const override
  {
    return d_value_print_inner (val, stream, recurse, options);
  }

  /* See language.h.  */

  struct block_symbol lookup_symbol_nonlocal
	(const char *name, const struct block *block,
	 const domain_enum domain) const override
  {
    return d_lookup_symbol_nonlocal (this, name, block, domain);
  }

  /* See language.h.  */

  int parser (struct parser_state *ps) const override
  {
    return d_parse (ps);
  }

  /* See language.h.  */

  const char *name_of_this () const override
  { return "this"; }
};

/* Single instance of the D language class.  */

static d_language d_language_defn;

/* Build all D language types for the specified architecture.  */

static void *
build_d_types (struct gdbarch *gdbarch)
{
  struct builtin_d_type *builtin_d_type
    = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type);

  /* Basic types.  */
  builtin_d_type->builtin_void
    = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "void");
  builtin_d_type->builtin_bool
    = arch_boolean_type (gdbarch, 8, 1, "bool");
  builtin_d_type->builtin_byte
    = arch_integer_type (gdbarch, 8, 0, "byte");
  builtin_d_type->builtin_ubyte
    = arch_integer_type (gdbarch, 8, 1, "ubyte");
  builtin_d_type->builtin_short
    = arch_integer_type (gdbarch, 16, 0, "short");
  builtin_d_type->builtin_ushort
    = arch_integer_type (gdbarch, 16, 1, "ushort");
  builtin_d_type->builtin_int
    = arch_integer_type (gdbarch, 32, 0, "int");
  builtin_d_type->builtin_uint
    = arch_integer_type (gdbarch, 32, 1, "uint");
  builtin_d_type->builtin_long
    = arch_integer_type (gdbarch, 64, 0, "long");
  builtin_d_type->builtin_ulong
    = arch_integer_type (gdbarch, 64, 1, "ulong");
  builtin_d_type->builtin_cent
    = arch_integer_type (gdbarch, 128, 0, "cent");
  builtin_d_type->builtin_ucent
    = arch_integer_type (gdbarch, 128, 1, "ucent");
  builtin_d_type->builtin_float
    = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
		       "float", gdbarch_float_format (gdbarch));
  builtin_d_type->builtin_double
    = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
		       "double", gdbarch_double_format (gdbarch));
  builtin_d_type->builtin_real
    = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
		       "real", gdbarch_long_double_format (gdbarch));

  builtin_d_type->builtin_byte->set_instance_flags
    (builtin_d_type->builtin_byte->instance_flags ()
     | TYPE_INSTANCE_FLAG_NOTTEXT);

  builtin_d_type->builtin_ubyte->set_instance_flags
    (builtin_d_type->builtin_ubyte->instance_flags ()
     | TYPE_INSTANCE_FLAG_NOTTEXT);

  /* Imaginary and complex types.  */
  builtin_d_type->builtin_ifloat
    = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
		       "ifloat", gdbarch_float_format (gdbarch));
  builtin_d_type->builtin_idouble
    = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
		       "idouble", gdbarch_double_format (gdbarch));
  builtin_d_type->builtin_ireal
    = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
		       "ireal", gdbarch_long_double_format (gdbarch));
  builtin_d_type->builtin_cfloat
    = init_complex_type ("cfloat", builtin_d_type->builtin_float);
  builtin_d_type->builtin_cdouble
    = init_complex_type ("cdouble", builtin_d_type->builtin_double);
  builtin_d_type->builtin_creal
    = init_complex_type ("creal", builtin_d_type->builtin_real);

  /* Character types.  */
  builtin_d_type->builtin_char
    = arch_character_type (gdbarch, 8, 1, "char");
  builtin_d_type->builtin_wchar
    = arch_character_type (gdbarch, 16, 1, "wchar");
  builtin_d_type->builtin_dchar
    = arch_character_type (gdbarch, 32, 1, "dchar");

  return builtin_d_type;
}

static struct gdbarch_data *d_type_data;

/* Return the D type table for the specified architecture.  */

const struct builtin_d_type *
builtin_d_type (struct gdbarch *gdbarch)
{
  return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data);
}

void _initialize_d_language ();
void
_initialize_d_language ()
{
  d_type_data = gdbarch_data_register_post_init (build_d_types);
}