Mercurial > hg > CbC > CbC_gcc
annotate include/demangle.h @ 62:70947ddafad7
added test code, CbC-example/regexp
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 25 Apr 2010 17:46:01 +0900 |
| parents | 77e2b8dfacca |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 /* Defs for interface to demanglers. |
| 2 Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, | |
|
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3 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. |
| 0 | 4 |
| 5 This program is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public License | |
| 7 as published by the Free Software Foundation; either version 2, or | |
| 8 (at your option) any later version. | |
| 9 | |
| 10 In addition to the permissions in the GNU Library General Public | |
| 11 License, the Free Software Foundation gives you unlimited | |
| 12 permission to link the compiled version of this file into | |
| 13 combinations with other programs, and to distribute those | |
| 14 combinations without any restriction coming from the use of this | |
| 15 file. (The Library Public License restrictions do apply in other | |
| 16 respects; for example, they cover modification of the file, and | |
| 17 distribution when not linked into a combined executable.) | |
| 18 | |
| 19 This program is distributed in the hope that it will be useful, but | |
| 20 WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 22 Library General Public License for more details. | |
| 23 | |
| 24 You should have received a copy of the GNU Library General Public | |
| 25 License along with this program; if not, write to the Free Software | |
| 26 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
| 27 02110-1301, USA. */ | |
| 28 | |
| 29 | |
| 30 #if !defined (DEMANGLE_H) | |
| 31 #define DEMANGLE_H | |
| 32 | |
| 33 #include "libiberty.h" | |
| 34 | |
| 35 #ifdef __cplusplus | |
| 36 extern "C" { | |
| 37 #endif /* __cplusplus */ | |
| 38 | |
| 39 /* Options passed to cplus_demangle (in 2nd parameter). */ | |
| 40 | |
| 41 #define DMGL_NO_OPTS 0 /* For readability... */ | |
| 42 #define DMGL_PARAMS (1 << 0) /* Include function args */ | |
| 43 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ | |
| 44 #define DMGL_JAVA (1 << 2) /* Demangle as Java rather than C++. */ | |
| 45 #define DMGL_VERBOSE (1 << 3) /* Include implementation details. */ | |
| 46 #define DMGL_TYPES (1 << 4) /* Also try to demangle type encodings. */ | |
| 47 #define DMGL_RET_POSTFIX (1 << 5) /* Print function return types (when | |
| 48 present) after function signature */ | |
| 49 | |
| 50 #define DMGL_AUTO (1 << 8) | |
| 51 #define DMGL_GNU (1 << 9) | |
| 52 #define DMGL_LUCID (1 << 10) | |
| 53 #define DMGL_ARM (1 << 11) | |
| 54 #define DMGL_HP (1 << 12) /* For the HP aCC compiler; | |
| 55 same as ARM except for | |
| 56 template arguments, etc. */ | |
| 57 #define DMGL_EDG (1 << 13) | |
| 58 #define DMGL_GNU_V3 (1 << 14) | |
| 59 #define DMGL_GNAT (1 << 15) | |
| 60 | |
| 61 /* If none of these are set, use 'current_demangling_style' as the default. */ | |
| 62 #define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT) | |
| 63 | |
| 64 /* Enumeration of possible demangling styles. | |
| 65 | |
| 66 Lucid and ARM styles are still kept logically distinct, even though | |
| 67 they now both behave identically. The resulting style is actual the | |
| 68 union of both. I.E. either style recognizes both "__pt__" and "__rf__" | |
| 69 for operator "->", even though the first is lucid style and the second | |
| 70 is ARM style. (FIXME?) */ | |
| 71 | |
| 72 extern enum demangling_styles | |
| 73 { | |
| 74 no_demangling = -1, | |
| 75 unknown_demangling = 0, | |
| 76 auto_demangling = DMGL_AUTO, | |
| 77 gnu_demangling = DMGL_GNU, | |
| 78 lucid_demangling = DMGL_LUCID, | |
| 79 arm_demangling = DMGL_ARM, | |
| 80 hp_demangling = DMGL_HP, | |
| 81 edg_demangling = DMGL_EDG, | |
| 82 gnu_v3_demangling = DMGL_GNU_V3, | |
| 83 java_demangling = DMGL_JAVA, | |
| 84 gnat_demangling = DMGL_GNAT | |
| 85 } current_demangling_style; | |
| 86 | |
| 87 /* Define string names for the various demangling styles. */ | |
| 88 | |
| 89 #define NO_DEMANGLING_STYLE_STRING "none" | |
| 90 #define AUTO_DEMANGLING_STYLE_STRING "auto" | |
| 91 #define GNU_DEMANGLING_STYLE_STRING "gnu" | |
| 92 #define LUCID_DEMANGLING_STYLE_STRING "lucid" | |
| 93 #define ARM_DEMANGLING_STYLE_STRING "arm" | |
| 94 #define HP_DEMANGLING_STYLE_STRING "hp" | |
| 95 #define EDG_DEMANGLING_STYLE_STRING "edg" | |
| 96 #define GNU_V3_DEMANGLING_STYLE_STRING "gnu-v3" | |
| 97 #define JAVA_DEMANGLING_STYLE_STRING "java" | |
| 98 #define GNAT_DEMANGLING_STYLE_STRING "gnat" | |
| 99 | |
| 100 /* Some macros to test what demangling style is active. */ | |
| 101 | |
| 102 #define CURRENT_DEMANGLING_STYLE current_demangling_style | |
| 103 #define AUTO_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_AUTO) | |
| 104 #define GNU_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU) | |
| 105 #define LUCID_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_LUCID) | |
| 106 #define ARM_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_ARM) | |
| 107 #define HP_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_HP) | |
| 108 #define EDG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_EDG) | |
| 109 #define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3) | |
| 110 #define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA) | |
| 111 #define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT) | |
| 112 | |
| 113 /* Provide information about the available demangle styles. This code is | |
| 114 pulled from gdb into libiberty because it is useful to binutils also. */ | |
| 115 | |
| 116 extern const struct demangler_engine | |
| 117 { | |
| 118 const char *const demangling_style_name; | |
| 119 const enum demangling_styles demangling_style; | |
| 120 const char *const demangling_style_doc; | |
| 121 } libiberty_demanglers[]; | |
| 122 | |
| 123 extern char * | |
| 124 cplus_demangle (const char *mangled, int options); | |
| 125 | |
| 126 extern int | |
| 127 cplus_demangle_opname (const char *opname, char *result, int options); | |
| 128 | |
| 129 extern const char * | |
| 130 cplus_mangle_opname (const char *opname, int options); | |
| 131 | |
| 132 /* Note: This sets global state. FIXME if you care about multi-threading. */ | |
| 133 | |
| 134 extern void | |
| 135 set_cplus_marker_for_demangling (int ch); | |
| 136 | |
| 137 extern enum demangling_styles | |
| 138 cplus_demangle_set_style (enum demangling_styles style); | |
| 139 | |
| 140 extern enum demangling_styles | |
| 141 cplus_demangle_name_to_style (const char *name); | |
| 142 | |
| 143 /* Callback typedef for allocation-less demangler interfaces. */ | |
| 144 typedef void (*demangle_callbackref) (const char *, size_t, void *); | |
| 145 | |
| 146 /* V3 ABI demangling entry points, defined in cp-demangle.c. Callback | |
| 147 variants return non-zero on success, zero on error. char* variants | |
| 148 return a string allocated by malloc on success, NULL on error. */ | |
| 149 extern int | |
| 150 cplus_demangle_v3_callback (const char *mangled, int options, | |
| 151 demangle_callbackref callback, void *opaque); | |
| 152 | |
| 153 extern char* | |
| 154 cplus_demangle_v3 (const char *mangled, int options); | |
| 155 | |
| 156 extern int | |
| 157 java_demangle_v3_callback (const char *mangled, | |
| 158 demangle_callbackref callback, void *opaque); | |
| 159 | |
| 160 extern char* | |
| 161 java_demangle_v3 (const char *mangled); | |
| 162 | |
| 163 enum gnu_v3_ctor_kinds { | |
| 164 gnu_v3_complete_object_ctor = 1, | |
| 165 gnu_v3_base_object_ctor, | |
| 166 gnu_v3_complete_object_allocating_ctor | |
| 167 }; | |
| 168 | |
| 169 /* Return non-zero iff NAME is the mangled form of a constructor name | |
| 170 in the G++ V3 ABI demangling style. Specifically, return an `enum | |
| 171 gnu_v3_ctor_kinds' value indicating what kind of constructor | |
| 172 it is. */ | |
| 173 extern enum gnu_v3_ctor_kinds | |
| 174 is_gnu_v3_mangled_ctor (const char *name); | |
| 175 | |
| 176 | |
| 177 enum gnu_v3_dtor_kinds { | |
| 178 gnu_v3_deleting_dtor = 1, | |
| 179 gnu_v3_complete_object_dtor, | |
| 180 gnu_v3_base_object_dtor | |
| 181 }; | |
| 182 | |
| 183 /* Return non-zero iff NAME is the mangled form of a destructor name | |
| 184 in the G++ V3 ABI demangling style. Specifically, return an `enum | |
| 185 gnu_v3_dtor_kinds' value, indicating what kind of destructor | |
| 186 it is. */ | |
| 187 extern enum gnu_v3_dtor_kinds | |
| 188 is_gnu_v3_mangled_dtor (const char *name); | |
| 189 | |
| 190 /* The V3 demangler works in two passes. The first pass builds a tree | |
| 191 representation of the mangled name, and the second pass turns the | |
| 192 tree representation into a demangled string. Here we define an | |
| 193 interface to permit a caller to build their own tree | |
| 194 representation, which they can pass to the demangler to get a | |
| 195 demangled string. This can be used to canonicalize user input into | |
| 196 something which the demangler might output. It could also be used | |
| 197 by other demanglers in the future. */ | |
| 198 | |
| 199 /* These are the component types which may be found in the tree. Many | |
| 200 component types have one or two subtrees, referred to as left and | |
| 201 right (a component type with only one subtree puts it in the left | |
| 202 subtree). */ | |
| 203 | |
| 204 enum demangle_component_type | |
| 205 { | |
| 206 /* A name, with a length and a pointer to a string. */ | |
| 207 DEMANGLE_COMPONENT_NAME, | |
| 208 /* A qualified name. The left subtree is a class or namespace or | |
| 209 some such thing, and the right subtree is a name qualified by | |
| 210 that class. */ | |
| 211 DEMANGLE_COMPONENT_QUAL_NAME, | |
| 212 /* A local name. The left subtree describes a function, and the | |
| 213 right subtree is a name which is local to that function. */ | |
| 214 DEMANGLE_COMPONENT_LOCAL_NAME, | |
| 215 /* A typed name. The left subtree is a name, and the right subtree | |
| 216 describes that name as a function. */ | |
| 217 DEMANGLE_COMPONENT_TYPED_NAME, | |
| 218 /* A template. The left subtree is a template name, and the right | |
| 219 subtree is a template argument list. */ | |
| 220 DEMANGLE_COMPONENT_TEMPLATE, | |
| 221 /* A template parameter. This holds a number, which is the template | |
| 222 parameter index. */ | |
| 223 DEMANGLE_COMPONENT_TEMPLATE_PARAM, | |
| 224 /* A function parameter. This holds a number, which is the index. */ | |
| 225 DEMANGLE_COMPONENT_FUNCTION_PARAM, | |
| 226 /* A constructor. This holds a name and the kind of | |
| 227 constructor. */ | |
| 228 DEMANGLE_COMPONENT_CTOR, | |
| 229 /* A destructor. This holds a name and the kind of destructor. */ | |
| 230 DEMANGLE_COMPONENT_DTOR, | |
| 231 /* A vtable. This has one subtree, the type for which this is a | |
| 232 vtable. */ | |
| 233 DEMANGLE_COMPONENT_VTABLE, | |
| 234 /* A VTT structure. This has one subtree, the type for which this | |
| 235 is a VTT. */ | |
| 236 DEMANGLE_COMPONENT_VTT, | |
| 237 /* A construction vtable. The left subtree is the type for which | |
| 238 this is a vtable, and the right subtree is the derived type for | |
| 239 which this vtable is built. */ | |
| 240 DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE, | |
| 241 /* A typeinfo structure. This has one subtree, the type for which | |
| 242 this is the tpeinfo structure. */ | |
| 243 DEMANGLE_COMPONENT_TYPEINFO, | |
| 244 /* A typeinfo name. This has one subtree, the type for which this | |
| 245 is the typeinfo name. */ | |
| 246 DEMANGLE_COMPONENT_TYPEINFO_NAME, | |
| 247 /* A typeinfo function. This has one subtree, the type for which | |
| 248 this is the tpyeinfo function. */ | |
| 249 DEMANGLE_COMPONENT_TYPEINFO_FN, | |
| 250 /* A thunk. This has one subtree, the name for which this is a | |
| 251 thunk. */ | |
| 252 DEMANGLE_COMPONENT_THUNK, | |
| 253 /* A virtual thunk. This has one subtree, the name for which this | |
| 254 is a virtual thunk. */ | |
| 255 DEMANGLE_COMPONENT_VIRTUAL_THUNK, | |
| 256 /* A covariant thunk. This has one subtree, the name for which this | |
| 257 is a covariant thunk. */ | |
| 258 DEMANGLE_COMPONENT_COVARIANT_THUNK, | |
| 259 /* A Java class. This has one subtree, the type. */ | |
| 260 DEMANGLE_COMPONENT_JAVA_CLASS, | |
| 261 /* A guard variable. This has one subtree, the name for which this | |
| 262 is a guard variable. */ | |
| 263 DEMANGLE_COMPONENT_GUARD, | |
| 264 /* A reference temporary. This has one subtree, the name for which | |
| 265 this is a temporary. */ | |
| 266 DEMANGLE_COMPONENT_REFTEMP, | |
| 267 /* A hidden alias. This has one subtree, the encoding for which it | |
| 268 is providing alternative linkage. */ | |
| 269 DEMANGLE_COMPONENT_HIDDEN_ALIAS, | |
| 270 /* A standard substitution. This holds the name of the | |
| 271 substitution. */ | |
| 272 DEMANGLE_COMPONENT_SUB_STD, | |
| 273 /* The restrict qualifier. The one subtree is the type which is | |
| 274 being qualified. */ | |
| 275 DEMANGLE_COMPONENT_RESTRICT, | |
| 276 /* The volatile qualifier. The one subtree is the type which is | |
| 277 being qualified. */ | |
| 278 DEMANGLE_COMPONENT_VOLATILE, | |
| 279 /* The const qualifier. The one subtree is the type which is being | |
| 280 qualified. */ | |
| 281 DEMANGLE_COMPONENT_CONST, | |
| 282 /* The restrict qualifier modifying a member function. The one | |
| 283 subtree is the type which is being qualified. */ | |
| 284 DEMANGLE_COMPONENT_RESTRICT_THIS, | |
| 285 /* The volatile qualifier modifying a member function. The one | |
| 286 subtree is the type which is being qualified. */ | |
| 287 DEMANGLE_COMPONENT_VOLATILE_THIS, | |
| 288 /* The const qualifier modifying a member function. The one subtree | |
| 289 is the type which is being qualified. */ | |
| 290 DEMANGLE_COMPONENT_CONST_THIS, | |
| 291 /* A vendor qualifier. The left subtree is the type which is being | |
| 292 qualified, and the right subtree is the name of the | |
| 293 qualifier. */ | |
| 294 DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL, | |
| 295 /* A pointer. The one subtree is the type which is being pointed | |
| 296 to. */ | |
| 297 DEMANGLE_COMPONENT_POINTER, | |
| 298 /* A reference. The one subtree is the type which is being | |
| 299 referenced. */ | |
| 300 DEMANGLE_COMPONENT_REFERENCE, | |
| 301 /* C++0x: An rvalue reference. The one subtree is the type which is | |
| 302 being referenced. */ | |
| 303 DEMANGLE_COMPONENT_RVALUE_REFERENCE, | |
| 304 /* A complex type. The one subtree is the base type. */ | |
| 305 DEMANGLE_COMPONENT_COMPLEX, | |
| 306 /* An imaginary type. The one subtree is the base type. */ | |
| 307 DEMANGLE_COMPONENT_IMAGINARY, | |
| 308 /* A builtin type. This holds the builtin type information. */ | |
| 309 DEMANGLE_COMPONENT_BUILTIN_TYPE, | |
| 310 /* A vendor's builtin type. This holds the name of the type. */ | |
| 311 DEMANGLE_COMPONENT_VENDOR_TYPE, | |
| 312 /* A function type. The left subtree is the return type. The right | |
| 313 subtree is a list of ARGLIST nodes. Either or both may be | |
| 314 NULL. */ | |
| 315 DEMANGLE_COMPONENT_FUNCTION_TYPE, | |
| 316 /* An array type. The left subtree is the dimension, which may be | |
| 317 NULL, or a string (represented as DEMANGLE_COMPONENT_NAME), or an | |
| 318 expression. The right subtree is the element type. */ | |
| 319 DEMANGLE_COMPONENT_ARRAY_TYPE, | |
| 320 /* A pointer to member type. The left subtree is the class type, | |
| 321 and the right subtree is the member type. CV-qualifiers appear | |
| 322 on the latter. */ | |
| 323 DEMANGLE_COMPONENT_PTRMEM_TYPE, | |
| 324 /* A fixed-point type. */ | |
| 325 DEMANGLE_COMPONENT_FIXED_TYPE, | |
| 326 /* An argument list. The left subtree is the current argument, and | |
| 327 the right subtree is either NULL or another ARGLIST node. */ | |
| 328 DEMANGLE_COMPONENT_ARGLIST, | |
| 329 /* A template argument list. The left subtree is the current | |
| 330 template argument, and the right subtree is either NULL or | |
| 331 another TEMPLATE_ARGLIST node. */ | |
| 332 DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, | |
| 333 /* An operator. This holds information about a standard | |
| 334 operator. */ | |
| 335 DEMANGLE_COMPONENT_OPERATOR, | |
| 336 /* An extended operator. This holds the number of arguments, and | |
| 337 the name of the extended operator. */ | |
| 338 DEMANGLE_COMPONENT_EXTENDED_OPERATOR, | |
| 339 /* A typecast, represented as a unary operator. The one subtree is | |
| 340 the type to which the argument should be cast. */ | |
| 341 DEMANGLE_COMPONENT_CAST, | |
| 342 /* A unary expression. The left subtree is the operator, and the | |
| 343 right subtree is the single argument. */ | |
| 344 DEMANGLE_COMPONENT_UNARY, | |
| 345 /* A binary expression. The left subtree is the operator, and the | |
| 346 right subtree is a BINARY_ARGS. */ | |
| 347 DEMANGLE_COMPONENT_BINARY, | |
| 348 /* Arguments to a binary expression. The left subtree is the first | |
| 349 argument, and the right subtree is the second argument. */ | |
| 350 DEMANGLE_COMPONENT_BINARY_ARGS, | |
| 351 /* A trinary expression. The left subtree is the operator, and the | |
| 352 right subtree is a TRINARY_ARG1. */ | |
| 353 DEMANGLE_COMPONENT_TRINARY, | |
| 354 /* Arguments to a trinary expression. The left subtree is the first | |
| 355 argument, and the right subtree is a TRINARY_ARG2. */ | |
| 356 DEMANGLE_COMPONENT_TRINARY_ARG1, | |
| 357 /* More arguments to a trinary expression. The left subtree is the | |
| 358 second argument, and the right subtree is the third argument. */ | |
| 359 DEMANGLE_COMPONENT_TRINARY_ARG2, | |
| 360 /* A literal. The left subtree is the type, and the right subtree | |
| 361 is the value, represented as a DEMANGLE_COMPONENT_NAME. */ | |
| 362 DEMANGLE_COMPONENT_LITERAL, | |
| 363 /* A negative literal. Like LITERAL, but the value is negated. | |
| 364 This is a minor hack: the NAME used for LITERAL points directly | |
| 365 to the mangled string, but since negative numbers are mangled | |
| 366 using 'n' instead of '-', we want a way to indicate a negative | |
| 367 number which involves neither modifying the mangled string nor | |
| 368 allocating a new copy of the literal in memory. */ | |
| 369 DEMANGLE_COMPONENT_LITERAL_NEG, | |
| 370 /* A libgcj compiled resource. The left subtree is the name of the | |
| 371 resource. */ | |
| 372 DEMANGLE_COMPONENT_JAVA_RESOURCE, | |
| 373 /* A name formed by the concatenation of two parts. The left | |
| 374 subtree is the first part and the right subtree the second. */ | |
| 375 DEMANGLE_COMPONENT_COMPOUND_NAME, | |
| 376 /* A name formed by a single character. */ | |
| 377 DEMANGLE_COMPONENT_CHARACTER, | |
| 378 /* A decltype type. */ | |
| 379 DEMANGLE_COMPONENT_DECLTYPE, | |
|
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380 /* Global constructors keyed to name. */ |
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381 DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS, |
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382 /* Global destructors keyed to name. */ |
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383 DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS, |
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384 /* A lambda closure type. */ |
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385 DEMANGLE_COMPONENT_LAMBDA, |
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386 /* A default argument scope. */ |
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387 DEMANGLE_COMPONENT_DEFAULT_ARG, |
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388 /* An unnamed type. */ |
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389 DEMANGLE_COMPONENT_UNNAMED_TYPE, |
| 0 | 390 /* A pack expansion. */ |
| 391 DEMANGLE_COMPONENT_PACK_EXPANSION | |
| 392 }; | |
| 393 | |
| 394 /* Types which are only used internally. */ | |
| 395 | |
| 396 struct demangle_operator_info; | |
| 397 struct demangle_builtin_type_info; | |
| 398 | |
| 399 /* A node in the tree representation is an instance of a struct | |
| 400 demangle_component. Note that the field names of the struct are | |
| 401 not well protected against macros defined by the file including | |
| 402 this one. We can fix this if it ever becomes a problem. */ | |
| 403 | |
| 404 struct demangle_component | |
| 405 { | |
| 406 /* The type of this component. */ | |
| 407 enum demangle_component_type type; | |
| 408 | |
| 409 union | |
| 410 { | |
| 411 /* For DEMANGLE_COMPONENT_NAME. */ | |
| 412 struct | |
| 413 { | |
| 414 /* A pointer to the name (which need not NULL terminated) and | |
| 415 its length. */ | |
| 416 const char *s; | |
| 417 int len; | |
| 418 } s_name; | |
| 419 | |
| 420 /* For DEMANGLE_COMPONENT_OPERATOR. */ | |
| 421 struct | |
| 422 { | |
| 423 /* Operator. */ | |
| 424 const struct demangle_operator_info *op; | |
| 425 } s_operator; | |
| 426 | |
| 427 /* For DEMANGLE_COMPONENT_EXTENDED_OPERATOR. */ | |
| 428 struct | |
| 429 { | |
| 430 /* Number of arguments. */ | |
| 431 int args; | |
| 432 /* Name. */ | |
| 433 struct demangle_component *name; | |
| 434 } s_extended_operator; | |
| 435 | |
| 436 /* For DEMANGLE_COMPONENT_FIXED_TYPE. */ | |
| 437 struct | |
| 438 { | |
| 439 /* The length, indicated by a C integer type name. */ | |
| 440 struct demangle_component *length; | |
| 441 /* _Accum or _Fract? */ | |
| 442 short accum; | |
| 443 /* Saturating or not? */ | |
| 444 short sat; | |
| 445 } s_fixed; | |
| 446 | |
| 447 /* For DEMANGLE_COMPONENT_CTOR. */ | |
| 448 struct | |
| 449 { | |
| 450 /* Kind of constructor. */ | |
| 451 enum gnu_v3_ctor_kinds kind; | |
| 452 /* Name. */ | |
| 453 struct demangle_component *name; | |
| 454 } s_ctor; | |
| 455 | |
| 456 /* For DEMANGLE_COMPONENT_DTOR. */ | |
| 457 struct | |
| 458 { | |
| 459 /* Kind of destructor. */ | |
| 460 enum gnu_v3_dtor_kinds kind; | |
| 461 /* Name. */ | |
| 462 struct demangle_component *name; | |
| 463 } s_dtor; | |
| 464 | |
| 465 /* For DEMANGLE_COMPONENT_BUILTIN_TYPE. */ | |
| 466 struct | |
| 467 { | |
| 468 /* Builtin type. */ | |
| 469 const struct demangle_builtin_type_info *type; | |
| 470 } s_builtin; | |
| 471 | |
| 472 /* For DEMANGLE_COMPONENT_SUB_STD. */ | |
| 473 struct | |
| 474 { | |
| 475 /* Standard substitution string. */ | |
| 476 const char* string; | |
| 477 /* Length of string. */ | |
| 478 int len; | |
| 479 } s_string; | |
| 480 | |
| 481 /* For DEMANGLE_COMPONENT_*_PARAM. */ | |
| 482 struct | |
| 483 { | |
| 484 /* Parameter index. */ | |
| 485 long number; | |
| 486 } s_number; | |
| 487 | |
| 488 /* For DEMANGLE_COMPONENT_CHARACTER. */ | |
| 489 struct | |
| 490 { | |
| 491 int character; | |
| 492 } s_character; | |
| 493 | |
| 494 /* For other types. */ | |
| 495 struct | |
| 496 { | |
| 497 /* Left (or only) subtree. */ | |
| 498 struct demangle_component *left; | |
| 499 /* Right subtree. */ | |
| 500 struct demangle_component *right; | |
| 501 } s_binary; | |
| 502 | |
|
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503 struct |
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504 { |
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505 /* subtree, same place as d_left. */ |
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506 struct demangle_component *sub; |
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507 /* integer. */ |
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508 int num; |
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509 } s_unary_num; |
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510 |
| 0 | 511 } u; |
| 512 }; | |
| 513 | |
| 514 /* People building mangled trees are expected to allocate instances of | |
| 515 struct demangle_component themselves. They can then call one of | |
| 516 the following functions to fill them in. */ | |
| 517 | |
| 518 /* Fill in most component types with a left subtree and a right | |
| 519 subtree. Returns non-zero on success, zero on failure, such as an | |
| 520 unrecognized or inappropriate component type. */ | |
| 521 | |
| 522 extern int | |
| 523 cplus_demangle_fill_component (struct demangle_component *fill, | |
| 524 enum demangle_component_type, | |
| 525 struct demangle_component *left, | |
| 526 struct demangle_component *right); | |
| 527 | |
| 528 /* Fill in a DEMANGLE_COMPONENT_NAME. Returns non-zero on success, | |
| 529 zero for bad arguments. */ | |
| 530 | |
| 531 extern int | |
| 532 cplus_demangle_fill_name (struct demangle_component *fill, | |
| 533 const char *, int); | |
| 534 | |
| 535 /* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE, using the name of the | |
| 536 builtin type (e.g., "int", etc.). Returns non-zero on success, | |
| 537 zero if the type is not recognized. */ | |
| 538 | |
| 539 extern int | |
| 540 cplus_demangle_fill_builtin_type (struct demangle_component *fill, | |
| 541 const char *type_name); | |
| 542 | |
| 543 /* Fill in a DEMANGLE_COMPONENT_OPERATOR, using the name of the | |
| 544 operator and the number of arguments which it takes (the latter is | |
| 545 used to disambiguate operators which can be both binary and unary, | |
| 546 such as '-'). Returns non-zero on success, zero if the operator is | |
| 547 not recognized. */ | |
| 548 | |
| 549 extern int | |
| 550 cplus_demangle_fill_operator (struct demangle_component *fill, | |
| 551 const char *opname, int args); | |
| 552 | |
| 553 /* Fill in a DEMANGLE_COMPONENT_EXTENDED_OPERATOR, providing the | |
| 554 number of arguments and the name. Returns non-zero on success, | |
| 555 zero for bad arguments. */ | |
| 556 | |
| 557 extern int | |
| 558 cplus_demangle_fill_extended_operator (struct demangle_component *fill, | |
| 559 int numargs, | |
| 560 struct demangle_component *nm); | |
| 561 | |
| 562 /* Fill in a DEMANGLE_COMPONENT_CTOR. Returns non-zero on success, | |
| 563 zero for bad arguments. */ | |
| 564 | |
| 565 extern int | |
| 566 cplus_demangle_fill_ctor (struct demangle_component *fill, | |
| 567 enum gnu_v3_ctor_kinds kind, | |
| 568 struct demangle_component *name); | |
| 569 | |
| 570 /* Fill in a DEMANGLE_COMPONENT_DTOR. Returns non-zero on success, | |
| 571 zero for bad arguments. */ | |
| 572 | |
| 573 extern int | |
| 574 cplus_demangle_fill_dtor (struct demangle_component *fill, | |
| 575 enum gnu_v3_dtor_kinds kind, | |
| 576 struct demangle_component *name); | |
| 577 | |
| 578 /* This function translates a mangled name into a struct | |
| 579 demangle_component tree. The first argument is the mangled name. | |
| 580 The second argument is DMGL_* options. This returns a pointer to a | |
| 581 tree on success, or NULL on failure. On success, the third | |
| 582 argument is set to a block of memory allocated by malloc. This | |
| 583 block should be passed to free when the tree is no longer | |
| 584 needed. */ | |
| 585 | |
| 586 extern struct demangle_component * | |
| 587 cplus_demangle_v3_components (const char *mangled, int options, void **mem); | |
| 588 | |
| 589 /* This function takes a struct demangle_component tree and returns | |
| 590 the corresponding demangled string. The first argument is DMGL_* | |
| 591 options. The second is the tree to demangle. The third is a guess | |
| 592 at the length of the demangled string, used to initially allocate | |
| 593 the return buffer. The fourth is a pointer to a size_t. On | |
| 594 success, this function returns a buffer allocated by malloc(), and | |
| 595 sets the size_t pointed to by the fourth argument to the size of | |
| 596 the allocated buffer (not the length of the returned string). On | |
| 597 failure, this function returns NULL, and sets the size_t pointed to | |
| 598 by the fourth argument to 0 for an invalid tree, or to 1 for a | |
| 599 memory allocation error. */ | |
| 600 | |
| 601 extern char * | |
| 602 cplus_demangle_print (int options, | |
| 603 const struct demangle_component *tree, | |
| 604 int estimated_length, | |
| 605 size_t *p_allocated_size); | |
| 606 | |
| 607 /* This function takes a struct demangle_component tree and passes back | |
| 608 a demangled string in one or more calls to a callback function. | |
| 609 The first argument is DMGL_* options. The second is the tree to | |
| 610 demangle. The third is a pointer to a callback function; on each call | |
| 611 this receives an element of the demangled string, its length, and an | |
| 612 opaque value. The fourth is the opaque value passed to the callback. | |
| 613 The callback is called once or more to return the full demangled | |
| 614 string. The demangled element string is always nul-terminated, though | |
| 615 its length is also provided for convenience. In contrast to | |
| 616 cplus_demangle_print(), this function does not allocate heap memory | |
| 617 to grow output strings (except perhaps where alloca() is implemented | |
| 618 by malloc()), and so is normally safe for use where the heap has been | |
| 619 corrupted. On success, this function returns 1; on failure, 0. */ | |
| 620 | |
| 621 extern int | |
| 622 cplus_demangle_print_callback (int options, | |
| 623 const struct demangle_component *tree, | |
| 624 demangle_callbackref callback, void *opaque); | |
| 625 | |
| 626 #ifdef __cplusplus | |
| 627 } | |
| 628 #endif /* __cplusplus */ | |
| 629 | |
| 630 #endif /* DEMANGLE_H */ |