| 1 | /* D language support routines for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2005, 2006, 2008, 2009, 2010 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 "d-lang.h" |
| 24 | #include "c-lang.h" |
| 25 | #include "gdb_string.h" |
| 26 | #include "parser-defs.h" |
| 27 | #include "gdb_obstack.h" |
| 28 | |
| 29 | #include <ctype.h> |
| 30 | |
| 31 | /* Extract identifiers from MANGLED_STR and append it to TEMPBUF. |
| 32 | Return 1 on success or 0 on failure. */ |
| 33 | static int |
| 34 | extract_identifiers (const char *mangled_str, struct obstack *tempbuf) |
| 35 | { |
| 36 | long i = 0; |
| 37 | |
| 38 | while (isdigit (*mangled_str)) |
| 39 | { |
| 40 | i = strtol (mangled_str, NULL, 10); |
| 41 | mangled_str++; |
| 42 | if (i <= 0 && strlen (mangled_str) < i) |
| 43 | return 0; |
| 44 | obstack_grow (tempbuf, mangled_str, i); |
| 45 | mangled_str += i; |
| 46 | obstack_grow_str (tempbuf, "."); |
| 47 | } |
| 48 | if (*mangled_str == '\0' || i == 0) |
| 49 | return 0; |
| 50 | obstack_blank (tempbuf, -1); |
| 51 | return 1; |
| 52 | } |
| 53 | |
| 54 | /* Extract and demangle type from MANGLED_STR and append it to TEMPBUF. |
| 55 | Return 1 on success or 0 on failure. */ |
| 56 | static int |
| 57 | extract_type_info (const char *mangled_str, struct obstack *tempbuf) |
| 58 | { |
| 59 | if (*mangled_str == '\0') |
| 60 | return 0; |
| 61 | switch (*mangled_str++) |
| 62 | { |
| 63 | case 'A': /* dynamic array */ |
| 64 | case 'G': /* static array */ |
| 65 | case 'H': /* associative array */ |
| 66 | if (!extract_type_info (mangled_str, tempbuf)) |
| 67 | return 0; |
| 68 | obstack_grow_str (tempbuf, "[]"); |
| 69 | return 1; |
| 70 | case 'P': /* pointer */ |
| 71 | if (!extract_type_info (mangled_str, tempbuf)) |
| 72 | return 0; |
| 73 | obstack_grow_str (tempbuf, "*"); |
| 74 | return 1; |
| 75 | case 'R': /* reference */ |
| 76 | if (!extract_type_info (mangled_str, tempbuf)) |
| 77 | return 0; |
| 78 | obstack_grow_str (tempbuf, "&"); |
| 79 | return 1; |
| 80 | case 'Z': /* return value */ |
| 81 | return extract_type_info (mangled_str, tempbuf); |
| 82 | case 'J': /* out */ |
| 83 | obstack_grow_str (tempbuf, "out "); |
| 84 | return extract_type_info (mangled_str, tempbuf); |
| 85 | case 'K': /* inout */ |
| 86 | obstack_grow_str (tempbuf, "inout "); |
| 87 | return extract_type_info (mangled_str, tempbuf); |
| 88 | case 'E': /* enum */ |
| 89 | case 'T': /* typedef */ |
| 90 | case 'D': /* delegate */ |
| 91 | case 'C': /* class */ |
| 92 | case 'S': /* struct */ |
| 93 | return extract_identifiers (mangled_str, tempbuf); |
| 94 | |
| 95 | /* basic types: */ |
| 96 | case 'n': obstack_grow_str (tempbuf, "none"); return 1; |
| 97 | case 'v': obstack_grow_str (tempbuf, "void"); return 1; |
| 98 | case 'g': obstack_grow_str (tempbuf, "byte"); return 1; |
| 99 | case 'h': obstack_grow_str (tempbuf, "ubyte"); return 1; |
| 100 | case 's': obstack_grow_str (tempbuf, "short"); return 1; |
| 101 | case 't': obstack_grow_str (tempbuf, "ushort"); return 1; |
| 102 | case 'i': obstack_grow_str (tempbuf, "int"); return 1; |
| 103 | case 'k': obstack_grow_str (tempbuf, "uint"); return 1; |
| 104 | case 'l': obstack_grow_str (tempbuf, "long"); return 1; |
| 105 | case 'm': obstack_grow_str (tempbuf, "ulong"); return 1; |
| 106 | case 'f': obstack_grow_str (tempbuf, "float"); return 1; |
| 107 | case 'd': obstack_grow_str (tempbuf, "double"); return 1; |
| 108 | case 'e': obstack_grow_str (tempbuf, "real"); return 1; |
| 109 | |
| 110 | /* imaginary and complex: */ |
| 111 | case 'o': obstack_grow_str (tempbuf, "ifloat"); return 1; |
| 112 | case 'p': obstack_grow_str (tempbuf, "idouble"); return 1; |
| 113 | case 'j': obstack_grow_str (tempbuf, "ireal"); return 1; |
| 114 | case 'q': obstack_grow_str (tempbuf, "cfloat"); return 1; |
| 115 | case 'r': obstack_grow_str (tempbuf, "cdouble"); return 1; |
| 116 | case 'c': obstack_grow_str (tempbuf, "creal"); return 1; |
| 117 | |
| 118 | /* other types: */ |
| 119 | case 'b': obstack_grow_str (tempbuf, "bit"); return 1; |
| 120 | case 'a': obstack_grow_str (tempbuf, "char"); return 1; |
| 121 | case 'u': obstack_grow_str (tempbuf, "wchar"); return 1; |
| 122 | case 'w': obstack_grow_str (tempbuf, "dchar"); return 1; |
| 123 | |
| 124 | default: |
| 125 | obstack_grow_str (tempbuf, "unknown"); |
| 126 | return 1; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /* Implements the la_demangle language_defn routine for language D. */ |
| 131 | char * |
| 132 | d_demangle (const char *symbol, int options) |
| 133 | { |
| 134 | struct obstack tempbuf; |
| 135 | char *out_str; |
| 136 | unsigned char is_func = 0; |
| 137 | |
| 138 | if (symbol == NULL) |
| 139 | return NULL; |
| 140 | else if (strcmp (symbol, "_Dmain") == 0) |
| 141 | return xstrdup ("D main"); |
| 142 | |
| 143 | obstack_init (&tempbuf); |
| 144 | |
| 145 | if (symbol[0] == '_' && symbol[1] == 'D') |
| 146 | { |
| 147 | symbol += 2; |
| 148 | is_func = 1; |
| 149 | } |
| 150 | else if (strncmp (symbol, "__Class_", 8) == 0) |
| 151 | symbol += 8; |
| 152 | else if (strncmp (symbol, "__init_", 7) == 0) |
| 153 | symbol += 7; |
| 154 | else if (strncmp (symbol, "__vtbl_", 7) == 0) |
| 155 | symbol += 7; |
| 156 | else if (strncmp (symbol, "__modctor_", 10) == 0) |
| 157 | symbol += 10; |
| 158 | else if (strncmp (symbol, "__moddtor_", 10) == 0) |
| 159 | symbol += 10; |
| 160 | else if (strncmp (symbol, "__ModuleInfo_", 13) == 0) |
| 161 | symbol += 13; |
| 162 | else |
| 163 | { |
| 164 | obstack_free (&tempbuf, NULL); |
| 165 | return NULL; |
| 166 | } |
| 167 | |
| 168 | if (!extract_identifiers (symbol, &tempbuf)) |
| 169 | { |
| 170 | obstack_free (&tempbuf, NULL); |
| 171 | return NULL; |
| 172 | } |
| 173 | |
| 174 | obstack_grow_str (&tempbuf, "("); |
| 175 | if (is_func == 1 && *symbol == 'F') |
| 176 | { |
| 177 | symbol++; |
| 178 | while (*symbol != '\0' && *symbol != 'Z') |
| 179 | { |
| 180 | if (is_func == 1) |
| 181 | is_func++; |
| 182 | else |
| 183 | obstack_grow_str (&tempbuf, ", "); |
| 184 | if (!extract_type_info (symbol, &tempbuf)) |
| 185 | { |
| 186 | obstack_free (&tempbuf, NULL); |
| 187 | return NULL; |
| 188 | } |
| 189 | } |
| 190 | } |
| 191 | obstack_grow_str0 (&tempbuf, ")"); |
| 192 | |
| 193 | /* Doesn't display the return type, but wouldn't be too hard to do. */ |
| 194 | |
| 195 | out_str = xstrdup (obstack_finish (&tempbuf)); |
| 196 | obstack_free (&tempbuf, NULL); |
| 197 | return out_str; |
| 198 | } |
| 199 | |
| 200 | /* Table mapping opcodes into strings for printing operators |
| 201 | and precedences of the operators. */ |
| 202 | static const struct op_print d_op_print_tab[] = |
| 203 | { |
| 204 | {",", BINOP_COMMA, PREC_COMMA, 0}, |
| 205 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, |
| 206 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, |
| 207 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, |
| 208 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, |
| 209 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, |
| 210 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, |
| 211 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, |
| 212 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, |
| 213 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, |
| 214 | {">=", BINOP_GEQ, PREC_ORDER, 0}, |
| 215 | {">", BINOP_GTR, PREC_ORDER, 0}, |
| 216 | {"<", BINOP_LESS, PREC_ORDER, 0}, |
| 217 | {">>", BINOP_RSH, PREC_SHIFT, 0}, |
| 218 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, |
| 219 | {"+", BINOP_ADD, PREC_ADD, 0}, |
| 220 | {"-", BINOP_SUB, PREC_ADD, 0}, |
| 221 | {"*", BINOP_MUL, PREC_MUL, 0}, |
| 222 | {"/", BINOP_DIV, PREC_MUL, 0}, |
| 223 | {"%", BINOP_REM, PREC_MUL, 0}, |
| 224 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, |
| 225 | {"-", UNOP_NEG, PREC_PREFIX, 0}, |
| 226 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, |
| 227 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, |
| 228 | {"*", UNOP_IND, PREC_PREFIX, 0}, |
| 229 | {"&", UNOP_ADDR, PREC_PREFIX, 0}, |
| 230 | {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, |
| 231 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
| 232 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, |
| 233 | {NULL, 0, 0, 0} |
| 234 | }; |
| 235 | |
| 236 | static const struct language_defn d_language_defn = |
| 237 | { |
| 238 | "d", |
| 239 | language_d, |
| 240 | range_check_off, |
| 241 | type_check_off, |
| 242 | case_sensitive_on, |
| 243 | array_row_major, |
| 244 | macro_expansion_c, |
| 245 | &exp_descriptor_c, |
| 246 | c_parse, |
| 247 | c_error, |
| 248 | null_post_parser, |
| 249 | c_printchar, /* Print a character constant. */ |
| 250 | c_printstr, /* Function to print string constant. */ |
| 251 | c_emit_char, /* Print a single char. */ |
| 252 | c_print_type, /* Print a type using appropriate syntax. */ |
| 253 | c_print_typedef, /* Print a typedef using appropriate syntax. */ |
| 254 | d_val_print, /* Print a value using appropriate syntax. */ |
| 255 | c_value_print, /* Print a top-level value. */ |
| 256 | NULL, /* Language specific skip_trampoline. */ |
| 257 | "this", |
| 258 | basic_lookup_symbol_nonlocal, |
| 259 | basic_lookup_transparent_type, |
| 260 | d_demangle, /* Language specific symbol demangler. */ |
| 261 | NULL, /* Language specific class_name_from_physname. */ |
| 262 | d_op_print_tab, /* Expression operators for printing. */ |
| 263 | 1, /* C-style arrays. */ |
| 264 | 0, /* String lower bound. */ |
| 265 | default_word_break_characters, |
| 266 | default_make_symbol_completion_list, |
| 267 | c_language_arch_info, |
| 268 | default_print_array_index, |
| 269 | default_pass_by_reference, |
| 270 | c_get_string, |
| 271 | LANG_MAGIC |
| 272 | }; |
| 273 | |
| 274 | void |
| 275 | _initialize_d_language (void) |
| 276 | { |
| 277 | add_language (&d_language_defn); |
| 278 | } |