gnu/dist/gcc4/include/demangle.h

   1 /* Defs for interface to demanglers.
   2    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002,
   3    2003, 2004, 2005, 2007 Free Software Foundation, Inc.
   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
  48 #define DMGL_AUTO        (1 << 8)
  49 #define DMGL_GNU         (1 << 9)
  50 #define DMGL_LUCID       (1 << 10)
  51 #define DMGL_ARM         (1 << 11)
  52 #define DMGL_HP          (1 << 12)       /* For the HP aCC compiler;
  53                                             same as ARM except for
  54                                             template arguments, etc. */
  55 #define DMGL_EDG         (1 << 13)
  56 #define DMGL_GNU_V3      (1 << 14)
  57 #define DMGL_GNAT        (1 << 15)
  58
  59 /* If none of these are set, use 'current_demangling_style' as the default. */
  60 #define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT)
  61
  62 /* Enumeration of possible demangling styles.
  63
  64    Lucid and ARM styles are still kept logically distinct, even though
  65    they now both behave identically.  The resulting style is actual the
  66    union of both.  I.E. either style recognizes both "__pt__" and "__rf__"
  67    for operator "->", even though the first is lucid style and the second
  68    is ARM style. (FIXME?) */
  69
  70 extern enum demangling_styles
  71 {
  72   no_demangling = -1,
  73   unknown_demangling = 0,
  74   auto_demangling = DMGL_AUTO,
  75   gnu_demangling = DMGL_GNU,
  76   lucid_demangling = DMGL_LUCID,
  77   arm_demangling = DMGL_ARM,
  78   hp_demangling = DMGL_HP,
  79   edg_demangling = DMGL_EDG,
  80   gnu_v3_demangling = DMGL_GNU_V3,
  81   java_demangling = DMGL_JAVA,
  82   gnat_demangling = DMGL_GNAT
  83 } current_demangling_style;
  84
  85 /* Define string names for the various demangling styles. */
  86
  87 #define NO_DEMANGLING_STYLE_STRING            "none"
  88 #define AUTO_DEMANGLING_STYLE_STRING          "auto"
  89 #define GNU_DEMANGLING_STYLE_STRING           "gnu"
  90 #define LUCID_DEMANGLING_STYLE_STRING         "lucid"
  91 #define ARM_DEMANGLING_STYLE_STRING           "arm"
  92 #define HP_DEMANGLING_STYLE_STRING            "hp"
  93 #define EDG_DEMANGLING_STYLE_STRING           "edg"
  94 #define GNU_V3_DEMANGLING_STYLE_STRING        "gnu-v3"
  95 #define JAVA_DEMANGLING_STYLE_STRING          "java"
  96 #define GNAT_DEMANGLING_STYLE_STRING          "gnat"
  97
  98 /* Some macros to test what demangling style is active. */
  99
 100 #define CURRENT_DEMANGLING_STYLE current_demangling_style
 101 #define AUTO_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_AUTO)
 102 #define GNU_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU)
 103 #define LUCID_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_LUCID)
 104 #define ARM_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_ARM)
 105 #define HP_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_HP)
 106 #define EDG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_EDG)
 107 #define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3)
 108 #define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA)
 109 #define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT)
 110
 111 /* Provide information about the available demangle styles. This code is
 112    pulled from gdb into libiberty because it is useful to binutils also.  */
 113
 114 extern const struct demangler_engine
 115 {
 116   const char *const demangling_style_name;
 117   const enum demangling_styles demangling_style;
 118   const char *const demangling_style_doc;
 119 } libiberty_demanglers[];
 120
 121 extern char *
 122 cplus_demangle (const char *mangled, int options);
 123
 124 extern int
 125 cplus_demangle_opname (const char *opname, char *result, int options);
 126
 127 extern const char *
 128 cplus_mangle_opname (const char *opname, int options);
 129
 130 /* Note: This sets global state.  FIXME if you care about multi-threading. */
 131
 132 extern void
 133 set_cplus_marker_for_demangling (int ch);
 134
 135 extern enum demangling_styles
 136 cplus_demangle_set_style (enum demangling_styles style);
 137
 138 extern enum demangling_styles
 139 cplus_demangle_name_to_style (const char *name);
 140
 141 /* V3 ABI demangling entry points, defined in cp-demangle.c.  */
 142 extern char*
 143 cplus_demangle_v3 (const char* mangled, int options);
 144
 145 extern char*
 146 java_demangle_v3 (const char* mangled);
 147
 148
 149 enum gnu_v3_ctor_kinds {
 150   gnu_v3_complete_object_ctor = 1,
 151   gnu_v3_base_object_ctor,
 152   gnu_v3_complete_object_allocating_ctor
 153 };
 154
 155 /* Return non-zero iff NAME is the mangled form of a constructor name
 156    in the G++ V3 ABI demangling style.  Specifically, return an `enum
 157    gnu_v3_ctor_kinds' value indicating what kind of constructor
 158    it is.  */
 159 extern enum gnu_v3_ctor_kinds
 160         is_gnu_v3_mangled_ctor (const char *name);
 161
 162
 163 enum gnu_v3_dtor_kinds {
 164   gnu_v3_deleting_dtor = 1,
 165   gnu_v3_complete_object_dtor,
 166   gnu_v3_base_object_dtor
 167 };
 168
 169 /* Return non-zero iff NAME is the mangled form of a destructor name
 170    in the G++ V3 ABI demangling style.  Specifically, return an `enum
 171    gnu_v3_dtor_kinds' value, indicating what kind of destructor
 172    it is.  */
 173 extern enum gnu_v3_dtor_kinds
 174         is_gnu_v3_mangled_dtor (const char *name);
 175
 176 /* The V3 demangler works in two passes.  The first pass builds a tree
 177    representation of the mangled name, and the second pass turns the
 178    tree representation into a demangled string.  Here we define an
 179    interface to permit a caller to build their own tree
 180    representation, which they can pass to the demangler to get a
 181    demangled string.  This can be used to canonicalize user input into
 182    something which the demangler might output.  It could also be used
 183    by other demanglers in the future.  */
 184
 185 /* These are the component types which may be found in the tree.  Many
 186    component types have one or two subtrees, referred to as left and
 187    right (a component type with only one subtree puts it in the left
 188    subtree).  */
 189
 190 enum demangle_component_type
 191 {
 192   /* A name, with a length and a pointer to a string.  */
 193   DEMANGLE_COMPONENT_NAME,
 194   /* A qualified name.  The left subtree is a class or namespace or
 195      some such thing, and the right subtree is a name qualified by
 196      that class.  */
 197   DEMANGLE_COMPONENT_QUAL_NAME,
 198   /* A local name.  The left subtree describes a function, and the
 199      right subtree is a name which is local to that function.  */
 200   DEMANGLE_COMPONENT_LOCAL_NAME,
 201   /* A typed name.  The left subtree is a name, and the right subtree
 202      describes that name as a function.  */
 203   DEMANGLE_COMPONENT_TYPED_NAME,
 204   /* A template.  The left subtree is a template name, and the right
 205      subtree is a template argument list.  */
 206   DEMANGLE_COMPONENT_TEMPLATE,
 207   /* A template parameter.  This holds a number, which is the template
 208      parameter index.  */
 209   DEMANGLE_COMPONENT_TEMPLATE_PARAM,
 210   /* A constructor.  This holds a name and the kind of
 211      constructor.  */
 212   DEMANGLE_COMPONENT_CTOR,
 213   /* A destructor.  This holds a name and the kind of destructor.  */
 214   DEMANGLE_COMPONENT_DTOR,
 215   /* A vtable.  This has one subtree, the type for which this is a
 216      vtable.  */
 217   DEMANGLE_COMPONENT_VTABLE,
 218   /* A VTT structure.  This has one subtree, the type for which this
 219      is a VTT.  */
 220   DEMANGLE_COMPONENT_VTT,
 221   /* A construction vtable.  The left subtree is the type for which
 222      this is a vtable, and the right subtree is the derived type for
 223      which this vtable is built.  */
 224   DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE,
 225   /* A typeinfo structure.  This has one subtree, the type for which
 226      this is the tpeinfo structure.  */
 227   DEMANGLE_COMPONENT_TYPEINFO,
 228   /* A typeinfo name.  This has one subtree, the type for which this
 229      is the typeinfo name.  */
 230   DEMANGLE_COMPONENT_TYPEINFO_NAME,
 231   /* A typeinfo function.  This has one subtree, the type for which
 232      this is the tpyeinfo function.  */
 233   DEMANGLE_COMPONENT_TYPEINFO_FN,
 234   /* A thunk.  This has one subtree, the name for which this is a
 235      thunk.  */
 236   DEMANGLE_COMPONENT_THUNK,
 237   /* A virtual thunk.  This has one subtree, the name for which this
 238      is a virtual thunk.  */
 239   DEMANGLE_COMPONENT_VIRTUAL_THUNK,
 240   /* A covariant thunk.  This has one subtree, the name for which this
 241      is a covariant thunk.  */
 242   DEMANGLE_COMPONENT_COVARIANT_THUNK,
 243   /* A Java class.  This has one subtree, the type.  */
 244   DEMANGLE_COMPONENT_JAVA_CLASS,
 245   /* A guard variable.  This has one subtree, the name for which this
 246      is a guard variable.  */
 247   DEMANGLE_COMPONENT_GUARD,
 248   /* A reference temporary.  This has one subtree, the name for which
 249      this is a temporary.  */
 250   DEMANGLE_COMPONENT_REFTEMP,
 251   /* A hidden alias.  This has one subtree, the encoding for which it
 252      is providing alternative linkage.  */
 253   DEMANGLE_COMPONENT_HIDDEN_ALIAS,
 254   /* A standard substitution.  This holds the name of the
 255      substitution.  */
 256   DEMANGLE_COMPONENT_SUB_STD,
 257   /* The restrict qualifier.  The one subtree is the type which is
 258      being qualified.  */
 259   DEMANGLE_COMPONENT_RESTRICT,
 260   /* The volatile qualifier.  The one subtree is the type which is
 261      being qualified.  */
 262   DEMANGLE_COMPONENT_VOLATILE,
 263   /* The const qualifier.  The one subtree is the type which is being
 264      qualified.  */
 265   DEMANGLE_COMPONENT_CONST,
 266   /* The restrict qualifier modifying a member function.  The one
 267      subtree is the type which is being qualified.  */
 268   DEMANGLE_COMPONENT_RESTRICT_THIS,
 269   /* The volatile qualifier modifying a member function.  The one
 270      subtree is the type which is being qualified.  */
 271   DEMANGLE_COMPONENT_VOLATILE_THIS,
 272   /* The const qualifier modifying a member function.  The one subtree
 273      is the type which is being qualified.  */
 274   DEMANGLE_COMPONENT_CONST_THIS,
 275   /* A vendor qualifier.  The left subtree is the type which is being
 276      qualified, and the right subtree is the name of the
 277      qualifier.  */
 278   DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL,
 279   /* A pointer.  The one subtree is the type which is being pointed
 280      to.  */
 281   DEMANGLE_COMPONENT_POINTER,
 282   /* A reference.  The one subtree is the type which is being
 283      referenced.  */
 284   DEMANGLE_COMPONENT_REFERENCE,
 285   /* A complex type.  The one subtree is the base type.  */
 286   DEMANGLE_COMPONENT_COMPLEX,
 287   /* An imaginary type.  The one subtree is the base type.  */
 288   DEMANGLE_COMPONENT_IMAGINARY,
 289   /* A builtin type.  This holds the builtin type information.  */
 290   DEMANGLE_COMPONENT_BUILTIN_TYPE,
 291   /* A vendor's builtin type.  This holds the name of the type.  */
 292   DEMANGLE_COMPONENT_VENDOR_TYPE,
 293   /* A function type.  The left subtree is the return type.  The right
 294      subtree is a list of ARGLIST nodes.  Either or both may be
 295      NULL.  */
 296   DEMANGLE_COMPONENT_FUNCTION_TYPE,
 297   /* An array type.  The left subtree is the dimension, which may be
 298      NULL, or a string (represented as DEMANGLE_COMPONENT_NAME), or an
 299      expression.  The right subtree is the element type.  */
 300   DEMANGLE_COMPONENT_ARRAY_TYPE,
 301   /* A pointer to member type.  The left subtree is the class type,
 302      and the right subtree is the member type.  CV-qualifiers appear
 303      on the latter.  */
 304   DEMANGLE_COMPONENT_PTRMEM_TYPE,
 305   /* An argument list.  The left subtree is the current argument, and
 306      the right subtree is either NULL or another ARGLIST node.  */
 307   DEMANGLE_COMPONENT_ARGLIST,
 308   /* A template argument list.  The left subtree is the current
 309      template argument, and the right subtree is either NULL or
 310      another TEMPLATE_ARGLIST node.  */
 311   DEMANGLE_COMPONENT_TEMPLATE_ARGLIST,
 312   /* An operator.  This holds information about a standard
 313      operator.  */
 314   DEMANGLE_COMPONENT_OPERATOR,
 315   /* An extended operator.  This holds the number of arguments, and
 316      the name of the extended operator.  */
 317   DEMANGLE_COMPONENT_EXTENDED_OPERATOR,
 318   /* A typecast, represented as a unary operator.  The one subtree is
 319      the type to which the argument should be cast.  */
 320   DEMANGLE_COMPONENT_CAST,
 321   /* A unary expression.  The left subtree is the operator, and the
 322      right subtree is the single argument.  */
 323   DEMANGLE_COMPONENT_UNARY,
 324   /* A binary expression.  The left subtree is the operator, and the
 325      right subtree is a BINARY_ARGS.  */
 326   DEMANGLE_COMPONENT_BINARY,
 327   /* Arguments to a binary expression.  The left subtree is the first
 328      argument, and the right subtree is the second argument.  */
 329   DEMANGLE_COMPONENT_BINARY_ARGS,
 330   /* A trinary expression.  The left subtree is the operator, and the
 331      right subtree is a TRINARY_ARG1.  */
 332   DEMANGLE_COMPONENT_TRINARY,
 333   /* Arguments to a trinary expression.  The left subtree is the first
 334      argument, and the right subtree is a TRINARY_ARG2.  */
 335   DEMANGLE_COMPONENT_TRINARY_ARG1,
 336   /* More arguments to a trinary expression.  The left subtree is the
 337      second argument, and the right subtree is the third argument.  */
 338   DEMANGLE_COMPONENT_TRINARY_ARG2,
 339   /* A literal.  The left subtree is the type, and the right subtree
 340      is the value, represented as a DEMANGLE_COMPONENT_NAME.  */
 341   DEMANGLE_COMPONENT_LITERAL,
 342   /* A negative literal.  Like LITERAL, but the value is negated.
 343      This is a minor hack: the NAME used for LITERAL points directly
 344      to the mangled string, but since negative numbers are mangled
 345      using 'n' instead of '-', we want a way to indicate a negative
 346      number which involves neither modifying the mangled string nor
 347      allocating a new copy of the literal in memory.  */
 348   DEMANGLE_COMPONENT_LITERAL_NEG
 349 };
 350
 351 /* Types which are only used internally.  */
 352
 353 struct demangle_operator_info;
 354 struct demangle_builtin_type_info;
 355
 356 /* A node in the tree representation is an instance of a struct
 357    demangle_component.  Note that the field names of the struct are
 358    not well protected against macros defined by the file including
 359    this one.  We can fix this if it ever becomes a problem.  */
 360
 361 struct demangle_component
 362 {
 363   /* The type of this component.  */
 364   enum demangle_component_type type;
 365
 366   union
 367   {
 368     /* For DEMANGLE_COMPONENT_NAME.  */
 369     struct
 370     {
 371       /* A pointer to the name (which need not NULL terminated) and
 372          its length.  */
 373       const char *s;
 374       int len;
 375     } s_name;
 376
 377     /* For DEMANGLE_COMPONENT_OPERATOR.  */
 378     struct
 379     {
 380       /* Operator.  */
 381       const struct demangle_operator_info *op;
 382     } s_operator;
 383
 384     /* For DEMANGLE_COMPONENT_EXTENDED_OPERATOR.  */
 385     struct
 386     {
 387       /* Number of arguments.  */
 388       int args;
 389       /* Name.  */
 390       struct demangle_component *name;
 391     } s_extended_operator;
 392
 393     /* For DEMANGLE_COMPONENT_CTOR.  */
 394     struct
 395     {
 396       /* Kind of constructor.  */
 397       enum gnu_v3_ctor_kinds kind;
 398       /* Name.  */
 399       struct demangle_component *name;
 400     } s_ctor;
 401
 402     /* For DEMANGLE_COMPONENT_DTOR.  */
 403     struct
 404     {
 405       /* Kind of destructor.  */
 406       enum gnu_v3_dtor_kinds kind;
 407       /* Name.  */
 408       struct demangle_component *name;
 409     } s_dtor;
 410
 411     /* For DEMANGLE_COMPONENT_BUILTIN_TYPE.  */
 412     struct
 413     {
 414       /* Builtin type.  */
 415       const struct demangle_builtin_type_info *type;
 416     } s_builtin;
 417
 418     /* For DEMANGLE_COMPONENT_SUB_STD.  */
 419     struct
 420     {
 421       /* Standard substitution string.  */
 422       const char* string;
 423       /* Length of string.  */
 424       int len;
 425     } s_string;
 426
 427     /* For DEMANGLE_COMPONENT_TEMPLATE_PARAM.  */
 428     struct
 429     {
 430       /* Template parameter index.  */
 431       long number;
 432     } s_number;
 433
 434     /* For other types.  */
 435     struct
 436     {
 437       /* Left (or only) subtree.  */
 438       struct demangle_component *left;
 439       /* Right subtree.  */
 440       struct demangle_component *right;
 441     } s_binary;
 442
 443   } u;
 444 };
 445
 446 /* People building mangled trees are expected to allocate instances of
 447    struct demangle_component themselves.  They can then call one of
 448    the following functions to fill them in.  */
 449
 450 /* Fill in most component types with a left subtree and a right
 451    subtree.  Returns non-zero on success, zero on failure, such as an
 452    unrecognized or inappropriate component type.  */
 453
 454 extern int
 455 cplus_demangle_fill_component (struct demangle_component *fill,
 456                                enum demangle_component_type,
 457                                struct demangle_component *left,
 458                                struct demangle_component *right);
 459
 460 /* Fill in a DEMANGLE_COMPONENT_NAME.  Returns non-zero on success,
 461    zero for bad arguments.  */
 462
 463 extern int
 464 cplus_demangle_fill_name (struct demangle_component *fill,
 465                           const char *, int);
 466
 467 /* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE, using the name of the
 468    builtin type (e.g., "int", etc.).  Returns non-zero on success,
 469    zero if the type is not recognized.  */
 470
 471 extern int
 472 cplus_demangle_fill_builtin_type (struct demangle_component *fill,
 473                                   const char *type_name);
 474
 475 /* Fill in a DEMANGLE_COMPONENT_OPERATOR, using the name of the
 476    operator and the number of arguments which it takes (the latter is
 477    used to disambiguate operators which can be both binary and unary,
 478    such as '-').  Returns non-zero on success, zero if the operator is
 479    not recognized.  */
 480
 481 extern int
 482 cplus_demangle_fill_operator (struct demangle_component *fill,
 483                               const char *opname, int args);
 484
 485 /* Fill in a DEMANGLE_COMPONENT_EXTENDED_OPERATOR, providing the
 486    number of arguments and the name.  Returns non-zero on success,
 487    zero for bad arguments.  */
 488
 489 extern int
 490 cplus_demangle_fill_extended_operator (struct demangle_component *fill,
 491                                        int numargs,
 492                                        struct demangle_component *nm);
 493
 494 /* Fill in a DEMANGLE_COMPONENT_CTOR.  Returns non-zero on success,
 495    zero for bad arguments.  */
 496
 497 extern int
 498 cplus_demangle_fill_ctor (struct demangle_component *fill,
 499                           enum gnu_v3_ctor_kinds kind,
 500                           struct demangle_component *name);
 501
 502 /* Fill in a DEMANGLE_COMPONENT_DTOR.  Returns non-zero on success,
 503    zero for bad arguments.  */
 504
 505 extern int
 506 cplus_demangle_fill_dtor (struct demangle_component *fill,
 507                           enum gnu_v3_dtor_kinds kind,
 508                           struct demangle_component *name);
 509
 510 /* This function translates a mangled name into a struct
 511    demangle_component tree.  The first argument is the mangled name.
 512    The second argument is DMGL_* options.  This returns a pointer to a
 513    tree on success, or NULL on failure.  On success, the third
 514    argument is set to a block of memory allocated by malloc.  This
 515    block should be passed to free when the tree is no longer
 516    needed.  */
 517
 518 extern struct demangle_component *
 519 cplus_demangle_v3_components (const char *mangled, int options, void **mem);
 520
 521 /* This function takes a struct demangle_component tree and returns
 522    the corresponding demangled string.  The first argument is DMGL_*
 523    options.  The second is the tree to demangle.  The third is a guess
 524    at the length of the demangled string, used to initially allocate
 525    the return buffer.  The fourth is a pointer to a size_t.  On
 526    success, this function returns a buffer allocated by malloc(), and
 527    sets the size_t pointed to by the fourth argument to the size of
 528    the allocated buffer (not the length of the returned string).  On
 529    failure, this function returns NULL, and sets the size_t pointed to
 530    by the fourth argument to 0 for an invalid tree, or to 1 for a
 531    memory allocation error.  */
 532
 533 extern char *
 534 cplus_demangle_print (int options,
 535                       const struct demangle_component *tree,
 536                       int estimated_length,
 537                       size_t *p_allocated_size);
 538
 539 #ifdef __cplusplus
 540 }
 541 #endif /* __cplusplus */
 542
 543 #endif  /* DEMANGLE_H */