Commit | Line | Data |
---|---|---|
6aecb9c2 JB |
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 | } |