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6aecb9c2 JB |
1 | /* D language support routines for GDB, the GNU debugger. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2005-2014 Free Software Foundation, Inc. |
6aecb9c2 JB |
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" |
6aecb9c2 JB |
24 | #include "d-lang.h" |
25 | #include "c-lang.h" | |
0e9f083f | 26 | #include <string.h> |
6aecb9c2 JB |
27 | #include "parser-defs.h" |
28 | #include "gdb_obstack.h" | |
29 | ||
30 | #include <ctype.h> | |
31 | ||
32 | /* Extract identifiers from MANGLED_STR and append it to TEMPBUF. | |
33 | Return 1 on success or 0 on failure. */ | |
34 | static int | |
35 | extract_identifiers (const char *mangled_str, struct obstack *tempbuf) | |
36 | { | |
37 | long i = 0; | |
38 | ||
39 | while (isdigit (*mangled_str)) | |
40 | { | |
62183e15 TT |
41 | char *end_ptr; |
42 | ||
43 | i = strtol (mangled_str, &end_ptr, 10); | |
44 | mangled_str = end_ptr; | |
45 | if (i <= 0 || strlen (mangled_str) < i) | |
6aecb9c2 JB |
46 | return 0; |
47 | obstack_grow (tempbuf, mangled_str, i); | |
48 | mangled_str += i; | |
49 | obstack_grow_str (tempbuf, "."); | |
50 | } | |
51 | if (*mangled_str == '\0' || i == 0) | |
52 | return 0; | |
53 | obstack_blank (tempbuf, -1); | |
54 | return 1; | |
55 | } | |
56 | ||
57 | /* Extract and demangle type from MANGLED_STR and append it to TEMPBUF. | |
58 | Return 1 on success or 0 on failure. */ | |
59 | static int | |
60 | extract_type_info (const char *mangled_str, struct obstack *tempbuf) | |
61 | { | |
62 | if (*mangled_str == '\0') | |
63 | return 0; | |
64 | switch (*mangled_str++) | |
65 | { | |
66 | case 'A': /* dynamic array */ | |
67 | case 'G': /* static array */ | |
68 | case 'H': /* associative array */ | |
69 | if (!extract_type_info (mangled_str, tempbuf)) | |
70 | return 0; | |
71 | obstack_grow_str (tempbuf, "[]"); | |
72 | return 1; | |
73 | case 'P': /* pointer */ | |
74 | if (!extract_type_info (mangled_str, tempbuf)) | |
75 | return 0; | |
76 | obstack_grow_str (tempbuf, "*"); | |
77 | return 1; | |
78 | case 'R': /* reference */ | |
79 | if (!extract_type_info (mangled_str, tempbuf)) | |
80 | return 0; | |
81 | obstack_grow_str (tempbuf, "&"); | |
82 | return 1; | |
83 | case 'Z': /* return value */ | |
84 | return extract_type_info (mangled_str, tempbuf); | |
85 | case 'J': /* out */ | |
86 | obstack_grow_str (tempbuf, "out "); | |
87 | return extract_type_info (mangled_str, tempbuf); | |
88 | case 'K': /* inout */ | |
89 | obstack_grow_str (tempbuf, "inout "); | |
90 | return extract_type_info (mangled_str, tempbuf); | |
91 | case 'E': /* enum */ | |
92 | case 'T': /* typedef */ | |
93 | case 'D': /* delegate */ | |
94 | case 'C': /* class */ | |
95 | case 'S': /* struct */ | |
96 | return extract_identifiers (mangled_str, tempbuf); | |
97 | ||
98 | /* basic types: */ | |
99 | case 'n': obstack_grow_str (tempbuf, "none"); return 1; | |
100 | case 'v': obstack_grow_str (tempbuf, "void"); return 1; | |
101 | case 'g': obstack_grow_str (tempbuf, "byte"); return 1; | |
102 | case 'h': obstack_grow_str (tempbuf, "ubyte"); return 1; | |
103 | case 's': obstack_grow_str (tempbuf, "short"); return 1; | |
104 | case 't': obstack_grow_str (tempbuf, "ushort"); return 1; | |
105 | case 'i': obstack_grow_str (tempbuf, "int"); return 1; | |
106 | case 'k': obstack_grow_str (tempbuf, "uint"); return 1; | |
107 | case 'l': obstack_grow_str (tempbuf, "long"); return 1; | |
108 | case 'm': obstack_grow_str (tempbuf, "ulong"); return 1; | |
109 | case 'f': obstack_grow_str (tempbuf, "float"); return 1; | |
110 | case 'd': obstack_grow_str (tempbuf, "double"); return 1; | |
111 | case 'e': obstack_grow_str (tempbuf, "real"); return 1; | |
112 | ||
113 | /* imaginary and complex: */ | |
114 | case 'o': obstack_grow_str (tempbuf, "ifloat"); return 1; | |
115 | case 'p': obstack_grow_str (tempbuf, "idouble"); return 1; | |
116 | case 'j': obstack_grow_str (tempbuf, "ireal"); return 1; | |
117 | case 'q': obstack_grow_str (tempbuf, "cfloat"); return 1; | |
118 | case 'r': obstack_grow_str (tempbuf, "cdouble"); return 1; | |
119 | case 'c': obstack_grow_str (tempbuf, "creal"); return 1; | |
120 | ||
121 | /* other types: */ | |
122 | case 'b': obstack_grow_str (tempbuf, "bit"); return 1; | |
123 | case 'a': obstack_grow_str (tempbuf, "char"); return 1; | |
124 | case 'u': obstack_grow_str (tempbuf, "wchar"); return 1; | |
125 | case 'w': obstack_grow_str (tempbuf, "dchar"); return 1; | |
126 | ||
127 | default: | |
128 | obstack_grow_str (tempbuf, "unknown"); | |
129 | return 1; | |
130 | } | |
131 | } | |
132 | ||
133 | /* Implements the la_demangle language_defn routine for language D. */ | |
134 | char * | |
135 | d_demangle (const char *symbol, int options) | |
136 | { | |
137 | struct obstack tempbuf; | |
138 | char *out_str; | |
139 | unsigned char is_func = 0; | |
140 | ||
141 | if (symbol == NULL) | |
142 | return NULL; | |
143 | else if (strcmp (symbol, "_Dmain") == 0) | |
144 | return xstrdup ("D main"); | |
145 | ||
146 | obstack_init (&tempbuf); | |
147 | ||
148 | if (symbol[0] == '_' && symbol[1] == 'D') | |
149 | { | |
150 | symbol += 2; | |
151 | is_func = 1; | |
152 | } | |
153 | else if (strncmp (symbol, "__Class_", 8) == 0) | |
154 | symbol += 8; | |
155 | else if (strncmp (symbol, "__init_", 7) == 0) | |
156 | symbol += 7; | |
157 | else if (strncmp (symbol, "__vtbl_", 7) == 0) | |
158 | symbol += 7; | |
159 | else if (strncmp (symbol, "__modctor_", 10) == 0) | |
160 | symbol += 10; | |
161 | else if (strncmp (symbol, "__moddtor_", 10) == 0) | |
162 | symbol += 10; | |
163 | else if (strncmp (symbol, "__ModuleInfo_", 13) == 0) | |
164 | symbol += 13; | |
165 | else | |
166 | { | |
167 | obstack_free (&tempbuf, NULL); | |
168 | return NULL; | |
169 | } | |
170 | ||
171 | if (!extract_identifiers (symbol, &tempbuf)) | |
172 | { | |
173 | obstack_free (&tempbuf, NULL); | |
174 | return NULL; | |
175 | } | |
176 | ||
177 | obstack_grow_str (&tempbuf, "("); | |
178 | if (is_func == 1 && *symbol == 'F') | |
179 | { | |
180 | symbol++; | |
181 | while (*symbol != '\0' && *symbol != 'Z') | |
182 | { | |
183 | if (is_func == 1) | |
184 | is_func++; | |
185 | else | |
186 | obstack_grow_str (&tempbuf, ", "); | |
187 | if (!extract_type_info (symbol, &tempbuf)) | |
188 | { | |
189 | obstack_free (&tempbuf, NULL); | |
190 | return NULL; | |
191 | } | |
192 | } | |
193 | } | |
194 | obstack_grow_str0 (&tempbuf, ")"); | |
195 | ||
196 | /* Doesn't display the return type, but wouldn't be too hard to do. */ | |
197 | ||
198 | out_str = xstrdup (obstack_finish (&tempbuf)); | |
199 | obstack_free (&tempbuf, NULL); | |
200 | return out_str; | |
201 | } | |
202 | ||
203 | /* Table mapping opcodes into strings for printing operators | |
204 | and precedences of the operators. */ | |
205 | static const struct op_print d_op_print_tab[] = | |
206 | { | |
207 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
208 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
209 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
210 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
211 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
212 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
213 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
214 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
215 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
216 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
217 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
218 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
219 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
220 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
221 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
222 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
223 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
224 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
225 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
226 | {"%", BINOP_REM, PREC_MUL, 0}, | |
227 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
228 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
229 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
230 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
231 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
232 | {"&", UNOP_ADDR, PREC_PREFIX, 0}, | |
233 | {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, | |
234 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, | |
235 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
236 | {NULL, 0, 0, 0} | |
237 | }; | |
238 | ||
239 | static const struct language_defn d_language_defn = | |
240 | { | |
241 | "d", | |
6abde28f | 242 | "D", |
6aecb9c2 JB |
243 | language_d, |
244 | range_check_off, | |
6aecb9c2 JB |
245 | case_sensitive_on, |
246 | array_row_major, | |
247 | macro_expansion_c, | |
248 | &exp_descriptor_c, | |
249 | c_parse, | |
250 | c_error, | |
251 | null_post_parser, | |
252 | c_printchar, /* Print a character constant. */ | |
253 | c_printstr, /* Function to print string constant. */ | |
254 | c_emit_char, /* Print a single char. */ | |
255 | c_print_type, /* Print a type using appropriate syntax. */ | |
0963b4bd MS |
256 | c_print_typedef, /* Print a typedef using appropriate |
257 | syntax. */ | |
6aecb9c2 JB |
258 | d_val_print, /* Print a value using appropriate syntax. */ |
259 | c_value_print, /* Print a top-level value. */ | |
a5ee536b | 260 | default_read_var_value, /* la_read_var_value */ |
6aecb9c2 JB |
261 | NULL, /* Language specific skip_trampoline. */ |
262 | "this", | |
263 | basic_lookup_symbol_nonlocal, | |
264 | basic_lookup_transparent_type, | |
265 | d_demangle, /* Language specific symbol demangler. */ | |
0963b4bd MS |
266 | NULL, /* Language specific |
267 | class_name_from_physname. */ | |
6aecb9c2 JB |
268 | d_op_print_tab, /* Expression operators for printing. */ |
269 | 1, /* C-style arrays. */ | |
270 | 0, /* String lower bound. */ | |
271 | default_word_break_characters, | |
272 | default_make_symbol_completion_list, | |
273 | c_language_arch_info, | |
274 | default_print_array_index, | |
275 | default_pass_by_reference, | |
276 | c_get_string, | |
1a119f36 | 277 | NULL, /* la_get_symbol_name_cmp */ |
95cbceff | 278 | iterate_over_symbols, |
a53b64ea | 279 | &default_varobj_ops, |
6aecb9c2 JB |
280 | LANG_MAGIC |
281 | }; | |
282 | ||
70221824 PA |
283 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
284 | extern initialize_file_ftype _initialize_d_language; | |
285 | ||
6aecb9c2 JB |
286 | void |
287 | _initialize_d_language (void) | |
288 | { | |
289 | add_language (&d_language_defn); | |
290 | } |