| 1 | /* D language support routines for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2005-2016 Free Software Foundation, Inc. |
| 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" |
| 23 | #include "varobj.h" |
| 24 | #include "d-lang.h" |
| 25 | #include "c-lang.h" |
| 26 | #include "demangle.h" |
| 27 | #include "cp-support.h" |
| 28 | |
| 29 | /* The name of the symbol to use to get the name of the main subprogram. */ |
| 30 | static 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 | |
| 37 | const char * |
| 38 | d_main_name (void) |
| 39 | { |
| 40 | struct bound_minimal_symbol msym; |
| 41 | |
| 42 | msym = lookup_minimal_symbol (D_MAIN, NULL, NULL); |
| 43 | if (msym.minsym != NULL) |
| 44 | return D_MAIN; |
| 45 | |
| 46 | /* No known entry procedure found, the main program is probably not D. */ |
| 47 | return NULL; |
| 48 | } |
| 49 | |
| 50 | /* Implements the la_demangle language_defn routine for language D. */ |
| 51 | |
| 52 | char * |
| 53 | d_demangle (const char *symbol, int options) |
| 54 | { |
| 55 | return gdb_demangle (symbol, options | DMGL_DLANG); |
| 56 | } |
| 57 | |
| 58 | /* la_sniff_from_mangled_name implementation for D. */ |
| 59 | |
| 60 | static int |
| 61 | d_sniff_from_mangled_name (const char *mangled, char **demangled) |
| 62 | { |
| 63 | *demangled = d_demangle (mangled, 0); |
| 64 | return *demangled != NULL; |
| 65 | } |
| 66 | |
| 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[] = |
| 70 | { |
| 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} |
| 103 | }; |
| 104 | |
| 105 | /* Mapping of all D basic data types into the language vector. */ |
| 106 | |
| 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, |
| 132 | nr_d_primitive_types |
| 133 | }; |
| 134 | |
| 135 | /* Implements the la_language_arch_info language_defn routine |
| 136 | for language D. */ |
| 137 | |
| 138 | static void |
| 139 | d_language_arch_info (struct gdbarch *gdbarch, |
| 140 | struct language_arch_info *lai) |
| 141 | { |
| 142 | const struct builtin_d_type *builtin = builtin_d_type (gdbarch); |
| 143 | |
| 144 | lai->string_char_type = builtin->builtin_char; |
| 145 | lai->primitive_type_vector |
| 146 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_d_primitive_types + 1, |
| 147 | struct type *); |
| 148 | |
| 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; |
| 197 | |
| 198 | lai->bool_type_symbol = "bool"; |
| 199 | lai->bool_type_default = builtin->builtin_bool; |
| 200 | } |
| 201 | |
| 202 | static const char *d_extensions[] = |
| 203 | { |
| 204 | ".d", NULL |
| 205 | }; |
| 206 | |
| 207 | static const struct language_defn d_language_defn = |
| 208 | { |
| 209 | "d", |
| 210 | "D", |
| 211 | language_d, |
| 212 | range_check_off, |
| 213 | case_sensitive_on, |
| 214 | array_row_major, |
| 215 | macro_expansion_no, |
| 216 | d_extensions, |
| 217 | &exp_descriptor_c, |
| 218 | d_parse, |
| 219 | d_yyerror, |
| 220 | null_post_parser, |
| 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 |
| 226 | syntax. */ |
| 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. */ |
| 231 | "this", |
| 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_make_symbol_completion_list, |
| 243 | d_language_arch_info, |
| 244 | default_print_array_index, |
| 245 | default_pass_by_reference, |
| 246 | c_get_string, |
| 247 | NULL, /* la_get_symbol_name_cmp */ |
| 248 | iterate_over_symbols, |
| 249 | &default_varobj_ops, |
| 250 | NULL, |
| 251 | NULL, |
| 252 | LANG_MAGIC |
| 253 | }; |
| 254 | |
| 255 | /* Build all D language types for the specified architecture. */ |
| 256 | |
| 257 | static void * |
| 258 | build_d_types (struct gdbarch *gdbarch) |
| 259 | { |
| 260 | struct builtin_d_type *builtin_d_type |
| 261 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_d_type); |
| 262 | |
| 263 | /* Basic types. */ |
| 264 | builtin_d_type->builtin_void |
| 265 | = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void"); |
| 266 | builtin_d_type->builtin_bool |
| 267 | = arch_boolean_type (gdbarch, 8, 1, "bool"); |
| 268 | builtin_d_type->builtin_byte |
| 269 | = arch_integer_type (gdbarch, 8, 0, "byte"); |
| 270 | builtin_d_type->builtin_ubyte |
| 271 | = arch_integer_type (gdbarch, 8, 1, "ubyte"); |
| 272 | builtin_d_type->builtin_short |
| 273 | = arch_integer_type (gdbarch, 16, 0, "short"); |
| 274 | builtin_d_type->builtin_ushort |
| 275 | = arch_integer_type (gdbarch, 16, 1, "ushort"); |
| 276 | builtin_d_type->builtin_int |
| 277 | = arch_integer_type (gdbarch, 32, 0, "int"); |
| 278 | builtin_d_type->builtin_uint |
| 279 | = arch_integer_type (gdbarch, 32, 1, "uint"); |
| 280 | builtin_d_type->builtin_long |
| 281 | = arch_integer_type (gdbarch, 64, 0, "long"); |
| 282 | builtin_d_type->builtin_ulong |
| 283 | = arch_integer_type (gdbarch, 64, 1, "ulong"); |
| 284 | builtin_d_type->builtin_cent |
| 285 | = arch_integer_type (gdbarch, 128, 0, "cent"); |
| 286 | builtin_d_type->builtin_ucent |
| 287 | = arch_integer_type (gdbarch, 128, 1, "ucent"); |
| 288 | builtin_d_type->builtin_float |
| 289 | = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), |
| 290 | "float", gdbarch_float_format (gdbarch)); |
| 291 | builtin_d_type->builtin_double |
| 292 | = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), |
| 293 | "double", gdbarch_double_format (gdbarch)); |
| 294 | builtin_d_type->builtin_real |
| 295 | = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), |
| 296 | "real", gdbarch_long_double_format (gdbarch)); |
| 297 | |
| 298 | TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_byte) |
| 299 | |= TYPE_INSTANCE_FLAG_NOTTEXT; |
| 300 | TYPE_INSTANCE_FLAGS (builtin_d_type->builtin_ubyte) |
| 301 | |= TYPE_INSTANCE_FLAG_NOTTEXT; |
| 302 | |
| 303 | /* Imaginary and complex types. */ |
| 304 | builtin_d_type->builtin_ifloat |
| 305 | = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), |
| 306 | "ifloat", gdbarch_float_format (gdbarch)); |
| 307 | builtin_d_type->builtin_idouble |
| 308 | = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), |
| 309 | "idouble", gdbarch_double_format (gdbarch)); |
| 310 | builtin_d_type->builtin_ireal |
| 311 | = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), |
| 312 | "ireal", gdbarch_long_double_format (gdbarch)); |
| 313 | builtin_d_type->builtin_cfloat |
| 314 | = arch_complex_type (gdbarch, "cfloat", |
| 315 | builtin_d_type->builtin_float); |
| 316 | builtin_d_type->builtin_cdouble |
| 317 | = arch_complex_type (gdbarch, "cdouble", |
| 318 | builtin_d_type->builtin_double); |
| 319 | builtin_d_type->builtin_creal |
| 320 | = arch_complex_type (gdbarch, "creal", |
| 321 | builtin_d_type->builtin_real); |
| 322 | |
| 323 | /* Character types. */ |
| 324 | builtin_d_type->builtin_char |
| 325 | = arch_character_type (gdbarch, 8, 1, "char"); |
| 326 | builtin_d_type->builtin_wchar |
| 327 | = arch_character_type (gdbarch, 16, 1, "wchar"); |
| 328 | builtin_d_type->builtin_dchar |
| 329 | = arch_character_type (gdbarch, 32, 1, "dchar"); |
| 330 | |
| 331 | return builtin_d_type; |
| 332 | } |
| 333 | |
| 334 | static struct gdbarch_data *d_type_data; |
| 335 | |
| 336 | /* Return the D type table for the specified architecture. */ |
| 337 | |
| 338 | const struct builtin_d_type * |
| 339 | builtin_d_type (struct gdbarch *gdbarch) |
| 340 | { |
| 341 | return (const struct builtin_d_type *) gdbarch_data (gdbarch, d_type_data); |
| 342 | } |
| 343 | |
| 344 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
| 345 | extern initialize_file_ftype _initialize_d_language; |
| 346 | |
| 347 | void |
| 348 | _initialize_d_language (void) |
| 349 | { |
| 350 | d_type_data = gdbarch_data_register_post_init (build_d_types); |
| 351 | |
| 352 | add_language (&d_language_defn); |
| 353 | } |