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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [libiberty/] [cp-demangle.c] - Diff between revs 157 and 225

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Line 1... Line 1...
/* Demangler for g++ V3 ABI.
/* Demangler for g++ V3 ABI.
   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
 
   Free Software Foundation, Inc.
   Written by Ian Lance Taylor <ian@wasabisystems.com>.
   Written by Ian Lance Taylor <ian@wasabisystems.com>.
 
 
   This file is part of the libiberty library, which is part of GCC.
   This file is part of the libiberty library, which is part of GCC.
 
 
   This file is free software; you can redistribute it and/or modify
   This file is free software; you can redistribute it and/or modify
Line 296... Line 297...
  /* The current list of modifiers (e.g., pointer, reference, etc.),
  /* The current list of modifiers (e.g., pointer, reference, etc.),
     if any.  */
     if any.  */
  struct d_print_mod *modifiers;
  struct d_print_mod *modifiers;
  /* Set to 1 if we saw a demangling error.  */
  /* Set to 1 if we saw a demangling error.  */
  int demangle_failure;
  int demangle_failure;
 
  /* The current index into any template argument packs we are using
 
     for printing.  */
 
  int pack_index;
};
};
 
 
#ifdef CP_DEMANGLE_DEBUG
#ifdef CP_DEMANGLE_DEBUG
static void d_dump (struct demangle_component *, int);
static void d_dump (struct demangle_component *, int);
#endif
#endif
Line 615... Line 619...
      printf ("array type\n");
      printf ("array type\n");
      break;
      break;
    case DEMANGLE_COMPONENT_PTRMEM_TYPE:
    case DEMANGLE_COMPONENT_PTRMEM_TYPE:
      printf ("pointer to member type\n");
      printf ("pointer to member type\n");
      break;
      break;
 
    case DEMANGLE_COMPONENT_FIXED_TYPE:
 
      printf ("fixed-point type\n");
 
      break;
    case DEMANGLE_COMPONENT_ARGLIST:
    case DEMANGLE_COMPONENT_ARGLIST:
      printf ("argument list\n");
      printf ("argument list\n");
      break;
      break;
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
      printf ("template argument list\n");
      printf ("template argument list\n");
Line 657... Line 664...
      printf ("compound name\n");
      printf ("compound name\n");
      break;
      break;
    case DEMANGLE_COMPONENT_CHARACTER:
    case DEMANGLE_COMPONENT_CHARACTER:
      printf ("character '%c'\n",  dc->u.s_character.character);
      printf ("character '%c'\n",  dc->u.s_character.character);
      return;
      return;
 
    case DEMANGLE_COMPONENT_DECLTYPE:
 
      printf ("decltype\n");
 
      break;
 
    case DEMANGLE_COMPONENT_PACK_EXPANSION:
 
      printf ("pack expansion\n");
 
      break;
    }
    }
 
 
  d_dump (d_left (dc), indent + 2);
  d_dump (d_left (dc), indent + 2);
  d_dump (d_right (dc), indent + 2);
  d_dump (d_right (dc), indent + 2);
}
}
Line 704... Line 717...
                          enum gnu_v3_ctor_kinds kind,
                          enum gnu_v3_ctor_kinds kind,
                          struct demangle_component *name)
                          struct demangle_component *name)
{
{
  if (p == NULL
  if (p == NULL
      || name == NULL
      || name == NULL
      || (kind < gnu_v3_complete_object_ctor
      || (int) kind < gnu_v3_complete_object_ctor
          && kind > gnu_v3_complete_object_allocating_ctor))
      || (int) kind > gnu_v3_complete_object_allocating_ctor)
    return 0;
    return 0;
  p->type = DEMANGLE_COMPONENT_CTOR;
  p->type = DEMANGLE_COMPONENT_CTOR;
  p->u.s_ctor.kind = kind;
  p->u.s_ctor.kind = kind;
  p->u.s_ctor.name = name;
  p->u.s_ctor.name = name;
  return 1;
  return 1;
Line 723... Line 736...
                          enum gnu_v3_dtor_kinds kind,
                          enum gnu_v3_dtor_kinds kind,
                          struct demangle_component *name)
                          struct demangle_component *name)
{
{
  if (p == NULL
  if (p == NULL
      || name == NULL
      || name == NULL
      || (kind < gnu_v3_deleting_dtor
      || (int) kind < gnu_v3_deleting_dtor
          && kind > gnu_v3_base_object_dtor))
      || (int) kind > gnu_v3_base_object_dtor)
    return 0;
    return 0;
  p->type = DEMANGLE_COMPONENT_DTOR;
  p->type = DEMANGLE_COMPONENT_DTOR;
  p->u.s_dtor.kind = kind;
  p->u.s_dtor.kind = kind;
  p->u.s_dtor.name = name;
  p->u.s_dtor.name = name;
  return 1;
  return 1;
Line 800... Line 813...
    case DEMANGLE_COMPONENT_REFERENCE:
    case DEMANGLE_COMPONENT_REFERENCE:
    case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
    case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
    case DEMANGLE_COMPONENT_COMPLEX:
    case DEMANGLE_COMPONENT_COMPLEX:
    case DEMANGLE_COMPONENT_IMAGINARY:
    case DEMANGLE_COMPONENT_IMAGINARY:
    case DEMANGLE_COMPONENT_VENDOR_TYPE:
    case DEMANGLE_COMPONENT_VENDOR_TYPE:
    case DEMANGLE_COMPONENT_ARGLIST:
 
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
 
    case DEMANGLE_COMPONENT_CAST:
    case DEMANGLE_COMPONENT_CAST:
    case DEMANGLE_COMPONENT_JAVA_RESOURCE:
    case DEMANGLE_COMPONENT_JAVA_RESOURCE:
 
    case DEMANGLE_COMPONENT_DECLTYPE:
 
    case DEMANGLE_COMPONENT_PACK_EXPANSION:
 
    case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
 
    case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
      if (left == NULL)
      if (left == NULL)
        return NULL;
        return NULL;
      break;
      break;
 
 
      /* This needs a right parameter, but the left parameter can be
      /* This needs a right parameter, but the left parameter can be
Line 824... Line 839...
    case DEMANGLE_COMPONENT_VOLATILE:
    case DEMANGLE_COMPONENT_VOLATILE:
    case DEMANGLE_COMPONENT_CONST:
    case DEMANGLE_COMPONENT_CONST:
    case DEMANGLE_COMPONENT_RESTRICT_THIS:
    case DEMANGLE_COMPONENT_RESTRICT_THIS:
    case DEMANGLE_COMPONENT_VOLATILE_THIS:
    case DEMANGLE_COMPONENT_VOLATILE_THIS:
    case DEMANGLE_COMPONENT_CONST_THIS:
    case DEMANGLE_COMPONENT_CONST_THIS:
 
    case DEMANGLE_COMPONENT_ARGLIST:
 
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
      break;
      break;
 
 
      /* Other types should not be seen here.  */
      /* Other types should not be seen here.  */
    default:
    default:
      return NULL;
      return NULL;
Line 947... Line 964...
      p->u.s_number.number = i;
      p->u.s_number.number = i;
    }
    }
  return p;
  return p;
}
}
 
 
 
/* Add a new function parameter.  */
 
 
 
static struct demangle_component *
 
d_make_function_param (struct d_info *di, long i)
 
{
 
  struct demangle_component *p;
 
 
 
  p = d_make_empty (di);
 
  if (p != NULL)
 
    {
 
      p->type = DEMANGLE_COMPONENT_FUNCTION_PARAM;
 
      p->u.s_number.number = i;
 
    }
 
  return p;
 
}
 
 
/* Add a new standard substitution component.  */
/* Add a new standard substitution component.  */
 
 
static struct demangle_component *
static struct demangle_component *
d_make_sub (struct d_info *di, const char *name, int len)
d_make_sub (struct d_info *di, const char *name, int len)
{
{
Line 972... Line 1005...
 
 
CP_STATIC_IF_GLIBCPP_V3
CP_STATIC_IF_GLIBCPP_V3
struct demangle_component *
struct demangle_component *
cplus_demangle_mangled_name (struct d_info *di, int top_level)
cplus_demangle_mangled_name (struct d_info *di, int top_level)
{
{
  if (! d_check_char (di, '_'))
  if (! d_check_char (di, '_')
 
      /* Allow missing _ if not at toplevel to work around a
 
         bug in G++ abi-version=2 mangling; see the comment in
 
         write_template_arg.  */
 
      && top_level)
    return NULL;
    return NULL;
  if (! d_check_char (di, 'Z'))
  if (! d_check_char (di, 'Z'))
    return NULL;
    return NULL;
  return d_encoding (di, top_level);
  return d_encoding (di, top_level);
}
}
Line 1419... Line 1456...
  { "aN", NL ("&="),        2 },
  { "aN", NL ("&="),        2 },
  { "aS", NL ("="),         2 },
  { "aS", NL ("="),         2 },
  { "aa", NL ("&&"),        2 },
  { "aa", NL ("&&"),        2 },
  { "ad", NL ("&"),         1 },
  { "ad", NL ("&"),         1 },
  { "an", NL ("&"),         2 },
  { "an", NL ("&"),         2 },
  { "cl", NL ("()"),        0 },
  { "cl", NL ("()"),        2 },
  { "cm", NL (","),         2 },
  { "cm", NL (","),         2 },
  { "co", NL ("~"),         1 },
  { "co", NL ("~"),         1 },
  { "dV", NL ("/="),        2 },
  { "dV", NL ("/="),        2 },
  { "da", NL ("delete[]"),  1 },
  { "da", NL ("delete[]"),  1 },
  { "de", NL ("*"),         1 },
  { "de", NL ("*"),         1 },
  { "dl", NL ("delete"),    1 },
  { "dl", NL ("delete"),    1 },
 
  { "dt", NL ("."),         2 },
  { "dv", NL ("/"),         2 },
  { "dv", NL ("/"),         2 },
  { "eO", NL ("^="),        2 },
  { "eO", NL ("^="),        2 },
  { "eo", NL ("^"),         2 },
  { "eo", NL ("^"),         2 },
  { "eq", NL ("=="),        2 },
  { "eq", NL ("=="),        2 },
  { "ge", NL (">="),        2 },
  { "ge", NL (">="),        2 },
Line 1463... Line 1501...
  { "rS", NL (">>="),       2 },
  { "rS", NL (">>="),       2 },
  { "rm", NL ("%"),         2 },
  { "rm", NL ("%"),         2 },
  { "rs", NL (">>"),        2 },
  { "rs", NL (">>"),        2 },
  { "st", NL ("sizeof "),   1 },
  { "st", NL ("sizeof "),   1 },
  { "sz", NL ("sizeof "),   1 },
  { "sz", NL ("sizeof "),   1 },
 
  { "at", NL ("alignof "),   1 },
 
  { "az", NL ("alignof "),   1 },
  { NULL, NULL, 0,          0 }
  { NULL, NULL, 0,          0 }
};
};
 
 
static struct demangle_component *
static struct demangle_component *
d_operator_name (struct d_info *di)
d_operator_name (struct d_info *di)
Line 1880... Line 1920...
  /* w */ { NL ("wchar_t"),     NL ("char"),            D_PRINT_DEFAULT },
  /* w */ { NL ("wchar_t"),     NL ("char"),            D_PRINT_DEFAULT },
  /* x */ { NL ("long long"),   NL ("long"),            D_PRINT_LONG_LONG },
  /* x */ { NL ("long long"),   NL ("long"),            D_PRINT_LONG_LONG },
  /* y */ { NL ("unsigned long long"), NL ("unsigned long long"),
  /* y */ { NL ("unsigned long long"), NL ("unsigned long long"),
            D_PRINT_UNSIGNED_LONG_LONG },
            D_PRINT_UNSIGNED_LONG_LONG },
  /* z */ { NL ("..."),         NL ("..."),             D_PRINT_DEFAULT },
  /* z */ { NL ("..."),         NL ("..."),             D_PRINT_DEFAULT },
 
  /* 26 */ { NL ("decimal32"),  NL ("decimal32"),       D_PRINT_DEFAULT },
 
  /* 27 */ { NL ("decimal64"),  NL ("decimal64"),       D_PRINT_DEFAULT },
 
  /* 28 */ { NL ("decimal128"), NL ("decimal128"),      D_PRINT_DEFAULT },
 
  /* 29 */ { NL ("half"),       NL ("half"),            D_PRINT_FLOAT },
 
  /* 30 */ { NL ("char16_t"),   NL ("char16_t"),        D_PRINT_DEFAULT },
 
  /* 31 */ { NL ("char32_t"),   NL ("char32_t"),        D_PRINT_DEFAULT },
};
};
 
 
CP_STATIC_IF_GLIBCPP_V3
CP_STATIC_IF_GLIBCPP_V3
struct demangle_component *
struct demangle_component *
cplus_demangle_type (struct d_info *di)
cplus_demangle_type (struct d_info *di)
Line 2043... Line 2089...
      ret = d_source_name (di);
      ret = d_source_name (di);
      ret = d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL,
      ret = d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL,
                         cplus_demangle_type (di), ret);
                         cplus_demangle_type (di), ret);
      break;
      break;
 
 
 
    case 'D':
 
      can_subst = 0;
 
      d_advance (di, 1);
 
      peek = d_next_char (di);
 
      switch (peek)
 
        {
 
        case 'T':
 
        case 't':
 
          /* decltype (expression) */
 
          ret = d_make_comp (di, DEMANGLE_COMPONENT_DECLTYPE,
 
                             d_expression (di), NULL);
 
          if (ret && d_next_char (di) != 'E')
 
            ret = NULL;
 
          break;
 
 
 
        case 'p':
 
          /* Pack expansion.  */
 
          ret = d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION,
 
                             cplus_demangle_type (di), NULL);
 
          break;
 
 
 
        case 'f':
 
          /* 32-bit decimal floating point */
 
          ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[26]);
 
          di->expansion += ret->u.s_builtin.type->len;
 
          break;
 
        case 'd':
 
          /* 64-bit DFP */
 
          ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[27]);
 
          di->expansion += ret->u.s_builtin.type->len;
 
          break;
 
        case 'e':
 
          /* 128-bit DFP */
 
          ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[28]);
 
          di->expansion += ret->u.s_builtin.type->len;
 
          break;
 
        case 'h':
 
          /* 16-bit half-precision FP */
 
          ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[29]);
 
          di->expansion += ret->u.s_builtin.type->len;
 
          break;
 
        case 's':
 
          /* char16_t */
 
          ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[30]);
 
          di->expansion += ret->u.s_builtin.type->len;
 
          break;
 
        case 'i':
 
          /* char32_t */
 
          ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[31]);
 
          di->expansion += ret->u.s_builtin.type->len;
 
          break;
 
 
 
        case 'F':
 
          /* Fixed point types. DF<int bits><length><fract bits><sat>  */
 
          ret = d_make_empty (di);
 
          ret->type = DEMANGLE_COMPONENT_FIXED_TYPE;
 
          if ((ret->u.s_fixed.accum = IS_DIGIT (d_peek_char (di))))
 
            /* For demangling we don't care about the bits.  */
 
            d_number (di);
 
          ret->u.s_fixed.length = cplus_demangle_type (di);
 
          d_number (di);
 
          peek = d_next_char (di);
 
          ret->u.s_fixed.sat = (peek == 's');
 
          break;
 
 
 
        default:
 
          return NULL;
 
        }
 
      break;
 
 
    default:
    default:
      return NULL;
      return NULL;
    }
    }
 
 
  if (can_subst)
  if (can_subst)
Line 2334... Line 2450...
  hold_last_name = di->last_name;
  hold_last_name = di->last_name;
 
 
  if (! d_check_char (di, 'I'))
  if (! d_check_char (di, 'I'))
    return NULL;
    return NULL;
 
 
 
  if (d_peek_char (di) == 'E')
 
    {
 
      /* An argument pack can be empty.  */
 
      d_advance (di, 1);
 
      return d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, NULL, NULL);
 
    }
 
 
  al = NULL;
  al = NULL;
  pal = &al;
  pal = &al;
  while (1)
  while (1)
    {
    {
      struct demangle_component *a;
      struct demangle_component *a;
Line 2383... Line 2506...
      return ret;
      return ret;
 
 
    case 'L':
    case 'L':
      return d_expr_primary (di);
      return d_expr_primary (di);
 
 
 
    case 'I':
 
      /* An argument pack.  */
 
      return d_template_args (di);
 
 
    default:
    default:
      return cplus_demangle_type (di);
      return cplus_demangle_type (di);
    }
    }
}
}
 
 
 
/* Subroutine of <expression> ::= cl <expression>+ E */
 
 
 
static struct demangle_component *
 
d_exprlist (struct d_info *di)
 
{
 
  struct demangle_component *list = NULL;
 
  struct demangle_component **p = &list;
 
 
 
  if (d_peek_char (di) == 'E')
 
    {
 
      d_advance (di, 1);
 
      return d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, NULL, NULL);
 
    }
 
 
 
  while (1)
 
    {
 
      struct demangle_component *arg = d_expression (di);
 
      if (arg == NULL)
 
        return NULL;
 
 
 
      *p = d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, arg, NULL);
 
      if (*p == NULL)
 
        return NULL;
 
      p = &d_right (*p);
 
 
 
      if (d_peek_char (di) == 'E')
 
        {
 
          d_advance (di, 1);
 
          break;
 
        }
 
    }
 
 
 
  return list;
 
}
 
 
/* <expression> ::= <(unary) operator-name> <expression>
/* <expression> ::= <(unary) operator-name> <expression>
                ::= <(binary) operator-name> <expression> <expression>
                ::= <(binary) operator-name> <expression> <expression>
                ::= <(trinary) operator-name> <expression> <expression> <expression>
                ::= <(trinary) operator-name> <expression> <expression> <expression>
 
                ::= cl <expression>+ E
                ::= st <type>
                ::= st <type>
                ::= <template-param>
                ::= <template-param>
                ::= sr <type> <unqualified-name>
                ::= sr <type> <unqualified-name>
                ::= sr <type> <unqualified-name> <template-args>
                ::= sr <type> <unqualified-name> <template-args>
                ::= <expr-primary>
                ::= <expr-primary>
Line 2423... Line 2586...
      else
      else
        return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type,
        return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type,
                            d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
                            d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
                                         d_template_args (di)));
                                         d_template_args (di)));
    }
    }
 
  else if (peek == 's' && d_peek_next_char (di) == 'p')
 
    {
 
      d_advance (di, 2);
 
      return d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION,
 
                          d_expression (di), NULL);
 
    }
 
  else if (peek == 'f' && d_peek_next_char (di) == 'p')
 
    {
 
      /* Function parameter used in a late-specified return type.  */
 
      int index;
 
      d_advance (di, 2);
 
      if (d_peek_char (di) == '_')
 
        index = 1;
 
      else
 
        {
 
          index = d_number (di);
 
          if (index < 0)
 
            return NULL;
 
          index += 2;
 
        }
 
 
 
      if (! d_check_char (di, '_'))
 
        return NULL;
 
 
 
      return d_make_function_param (di, index);
 
    }
 
  else if (IS_DIGIT (peek))
 
    {
 
      /* We can get an unqualified name as an expression in the case of
 
         a dependent member access, i.e. decltype(T().i).  */
 
      struct demangle_component *name = d_unqualified_name (di);
 
      if (name == NULL)
 
        return NULL;
 
      if (d_peek_char (di) == 'I')
 
        return d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
 
                            d_template_args (di));
 
      else
 
        return name;
 
    }
  else
  else
    {
    {
      struct demangle_component *op;
      struct demangle_component *op;
      int args;
      int args;
 
 
Line 2458... Line 2660...
        }
        }
 
 
      switch (args)
      switch (args)
        {
        {
        case 1:
        case 1:
 
          {
 
            struct demangle_component *operand;
 
            if (op->type == DEMANGLE_COMPONENT_CAST
 
                && d_check_char (di, '_'))
 
              operand = d_exprlist (di);
 
            else
 
              operand = d_expression (di);
          return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
          return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
                              d_expression (di));
                                operand);
 
          }
        case 2:
        case 2:
          {
          {
            struct demangle_component *left;
            struct demangle_component *left;
 
            struct demangle_component *right;
 
 
            left = d_expression (di);
            left = d_expression (di);
 
            if (!strcmp (op->u.s_operator.op->code, "cl"))
 
              right = d_exprlist (di);
 
            else
 
              right = d_expression (di);
 
 
            return d_make_comp (di, DEMANGLE_COMPONENT_BINARY, op,
            return d_make_comp (di, DEMANGLE_COMPONENT_BINARY, op,
                                d_make_comp (di,
                                d_make_comp (di,
                                             DEMANGLE_COMPONENT_BINARY_ARGS,
                                             DEMANGLE_COMPONENT_BINARY_ARGS,
                                             left,
                                             left, right));
                                             d_expression (di)));
 
          }
          }
        case 3:
        case 3:
          {
          {
            struct demangle_component *first;
            struct demangle_component *first;
            struct demangle_component *second;
            struct demangle_component *second;
Line 2505... Line 2720...
{
{
  struct demangle_component *ret;
  struct demangle_component *ret;
 
 
  if (! d_check_char (di, 'L'))
  if (! d_check_char (di, 'L'))
    return NULL;
    return NULL;
  if (d_peek_char (di) == '_')
  if (d_peek_char (di) == '_'
 
      /* Workaround for G++ bug; see comment in write_template_arg.  */
 
      || d_peek_char (di) == 'Z')
    ret = cplus_demangle_mangled_name (di, 0);
    ret = cplus_demangle_mangled_name (di, 0);
  else
  else
    {
    {
      struct demangle_component *type;
      struct demangle_component *type;
      enum demangle_component_type t;
      enum demangle_component_type t;
Line 2679... Line 2896...
    return NULL;
    return NULL;
 
 
  c = d_next_char (di);
  c = d_next_char (di);
  if (c == '_' || IS_DIGIT (c) || IS_UPPER (c))
  if (c == '_' || IS_DIGIT (c) || IS_UPPER (c))
    {
    {
      int id;
      unsigned int id;
 
 
      id = 0;
      id = 0;
      if (c != '_')
      if (c != '_')
        {
        {
          do
          do
            {
            {
 
              unsigned int new_id;
 
 
              if (IS_DIGIT (c))
              if (IS_DIGIT (c))
                id = id * 36 + c - '0';
                new_id = id * 36 + c - '0';
              else if (IS_UPPER (c))
              else if (IS_UPPER (c))
                id = id * 36 + c - 'A' + 10;
                new_id = id * 36 + c - 'A' + 10;
              else
              else
                return NULL;
                return NULL;
              if (id < 0)
              if (new_id < id)
                return NULL;
                return NULL;
 
              id = new_id;
              c = d_next_char (di);
              c = d_next_char (di);
            }
            }
          while (c != '_');
          while (c != '_');
 
 
          ++id;
          ++id;
        }
        }
 
 
      if (id >= di->next_sub)
      if (id >= (unsigned int) di->next_sub)
        return NULL;
        return NULL;
 
 
      ++di->did_subs;
      ++di->did_subs;
 
 
      return di->subs[id];
      return di->subs[id];
Line 2962... Line 3182...
 
 
  *palc = dgs.allocation_failure ? 1 : dgs.alc;
  *palc = dgs.allocation_failure ? 1 : dgs.alc;
  return dgs.buf;
  return dgs.buf;
}
}
 
 
 
/* Returns the I'th element of the template arglist ARGS, or NULL on
 
   failure.  */
 
 
 
static struct demangle_component *
 
d_index_template_argument (struct demangle_component *args, int i)
 
{
 
  struct demangle_component *a;
 
 
 
  for (a = args;
 
       a != NULL;
 
       a = d_right (a))
 
    {
 
      if (a->type != DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
 
        return NULL;
 
      if (i <= 0)
 
        break;
 
      --i;
 
    }
 
  if (i != 0 || a == NULL)
 
    return NULL;
 
 
 
  return d_left (a);
 
}
 
 
 
/* Returns the template argument from the current context indicated by DC,
 
   which is a DEMANGLE_COMPONENT_TEMPLATE_PARAM, or NULL.  */
 
 
 
static struct demangle_component *
 
d_lookup_template_argument (struct d_print_info *dpi,
 
                            const struct demangle_component *dc)
 
{
 
  if (dpi->templates == NULL)
 
    {
 
      d_print_error (dpi);
 
      return NULL;
 
    }
 
 
 
  return d_index_template_argument
 
    (d_right (dpi->templates->template_decl),
 
     dc->u.s_number.number);
 
}
 
 
 
/* Returns a template argument pack used in DC (any will do), or NULL.  */
 
 
 
static struct demangle_component *
 
d_find_pack (struct d_print_info *dpi,
 
             const struct demangle_component *dc)
 
{
 
  struct demangle_component *a;
 
  if (dc == NULL)
 
    return NULL;
 
 
 
  switch (dc->type)
 
    {
 
    case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
 
      a = d_lookup_template_argument (dpi, dc);
 
      if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
 
        return a;
 
      return NULL;
 
 
 
    case DEMANGLE_COMPONENT_PACK_EXPANSION:
 
      return NULL;
 
 
 
    case DEMANGLE_COMPONENT_NAME:
 
    case DEMANGLE_COMPONENT_OPERATOR:
 
    case DEMANGLE_COMPONENT_BUILTIN_TYPE:
 
    case DEMANGLE_COMPONENT_SUB_STD:
 
    case DEMANGLE_COMPONENT_CHARACTER:
 
    case DEMANGLE_COMPONENT_FUNCTION_PARAM:
 
      return NULL;
 
 
 
    case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
 
      return d_find_pack (dpi, dc->u.s_extended_operator.name);
 
    case DEMANGLE_COMPONENT_CTOR:
 
      return d_find_pack (dpi, dc->u.s_ctor.name);
 
    case DEMANGLE_COMPONENT_DTOR:
 
      return d_find_pack (dpi, dc->u.s_dtor.name);
 
 
 
    default:
 
      a = d_find_pack (dpi, d_left (dc));
 
      if (a)
 
        return a;
 
      return d_find_pack (dpi, d_right (dc));
 
    }
 
}
 
 
 
/* Returns the length of the template argument pack DC.  */
 
 
 
static int
 
d_pack_length (const struct demangle_component *dc)
 
{
 
  int count = 0;
 
  while (dc && dc->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST
 
         && d_left (dc) != NULL)
 
    {
 
      ++count;
 
      dc = d_right (dc);
 
    }
 
  return count;
 
}
 
 
 
/* DC is a component of a mangled expression.  Print it, wrapped in parens
 
   if needed.  */
 
 
 
static void
 
d_print_subexpr (struct d_print_info *dpi,
 
                 const struct demangle_component *dc)
 
{
 
  int simple = 0;
 
  if (dc->type == DEMANGLE_COMPONENT_NAME
 
      || dc->type == DEMANGLE_COMPONENT_FUNCTION_PARAM)
 
    simple = 1;
 
  if (!simple)
 
    d_append_char (dpi, '(');
 
  d_print_comp (dpi, dc);
 
  if (!simple)
 
    d_append_char (dpi, ')');
 
}
 
 
/* Subroutine to handle components.  */
/* Subroutine to handle components.  */
 
 
static void
static void
d_print_comp (struct d_print_info *dpi,
d_print_comp (struct d_print_info *dpi,
              const struct demangle_component *dc)
              const struct demangle_component *dc)
Line 3007... Line 3346...
 
 
        /* Pass the name down to the type so that it can be printed in
        /* Pass the name down to the type so that it can be printed in
           the right place for the type.  We also have to pass down
           the right place for the type.  We also have to pass down
           any CV-qualifiers, which apply to the this parameter.  */
           any CV-qualifiers, which apply to the this parameter.  */
        hold_modifiers = dpi->modifiers;
        hold_modifiers = dpi->modifiers;
 
        dpi->modifiers = 0;
        i = 0;
        i = 0;
        typed_name = d_left (dc);
        typed_name = d_left (dc);
        while (typed_name != NULL)
        while (typed_name != NULL)
          {
          {
            if (i >= sizeof adpm / sizeof adpm[0])
            if (i >= sizeof adpm / sizeof adpm[0])
Line 3147... Line 3487...
        return;
        return;
      }
      }
 
 
    case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
    case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
      {
      {
        long i;
 
        struct demangle_component *a;
 
        struct d_print_template *hold_dpt;
        struct d_print_template *hold_dpt;
 
        struct demangle_component *a = d_lookup_template_argument (dpi, dc);
 
 
        if (dpi->templates == NULL)
        if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
          {
          a = d_index_template_argument (a, dpi->pack_index);
            d_print_error (dpi);
 
            return;
        if (a == NULL)
          }
 
        i = dc->u.s_number.number;
 
        for (a = d_right (dpi->templates->template_decl);
 
             a != NULL;
 
             a = d_right (a))
 
          {
 
            if (a->type != DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
 
              {
 
                d_print_error (dpi);
 
                return;
 
              }
 
            if (i <= 0)
 
              break;
 
            --i;
 
          }
 
        if (i != 0 || a == NULL)
 
          {
          {
            d_print_error (dpi);
            d_print_error (dpi);
            return;
            return;
          }
          }
 
 
Line 3184... Line 3507...
           template.  */
           template.  */
 
 
        hold_dpt = dpi->templates;
        hold_dpt = dpi->templates;
        dpi->templates = hold_dpt->next;
        dpi->templates = hold_dpt->next;
 
 
        d_print_comp (dpi, d_left (a));
        d_print_comp (dpi, a);
 
 
        dpi->templates = hold_dpt;
        dpi->templates = hold_dpt;
 
 
        return;
        return;
      }
      }
Line 3471... Line 3794...
        dpi->modifiers = dpm.next;
        dpi->modifiers = dpm.next;
 
 
        return;
        return;
      }
      }
 
 
 
    case DEMANGLE_COMPONENT_FIXED_TYPE:
 
      if (dc->u.s_fixed.sat)
 
        d_append_string (dpi, "_Sat ");
 
      /* Don't print "int _Accum".  */
 
      if (dc->u.s_fixed.length->u.s_builtin.type
 
          != &cplus_demangle_builtin_types['i'-'a'])
 
        {
 
          d_print_comp (dpi, dc->u.s_fixed.length);
 
          d_append_char (dpi, ' ');
 
        }
 
      if (dc->u.s_fixed.accum)
 
        d_append_string (dpi, "_Accum");
 
      else
 
        d_append_string (dpi, "_Fract");
 
      return;
 
 
    case DEMANGLE_COMPONENT_ARGLIST:
    case DEMANGLE_COMPONENT_ARGLIST:
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
 
      if (d_left (dc) != NULL)
      d_print_comp (dpi, d_left (dc));
      d_print_comp (dpi, d_left (dc));
      if (d_right (dc) != NULL)
      if (d_right (dc) != NULL)
        {
        {
 
          size_t len;
          d_append_string (dpi, ", ");
          d_append_string (dpi, ", ");
 
          len = dpi->len;
          d_print_comp (dpi, d_right (dc));
          d_print_comp (dpi, d_right (dc));
 
          /* If that didn't print anything (which can happen with empty
 
             template argument packs), remove the comma and space.  */
 
          if (dpi->len == len)
 
            dpi->len -= 2;
        }
        }
      return;
      return;
 
 
    case DEMANGLE_COMPONENT_OPERATOR:
    case DEMANGLE_COMPONENT_OPERATOR:
      {
      {
Line 3513... Line 3859...
        {
        {
          d_append_char (dpi, '(');
          d_append_char (dpi, '(');
          d_print_cast (dpi, d_left (dc));
          d_print_cast (dpi, d_left (dc));
          d_append_char (dpi, ')');
          d_append_char (dpi, ')');
        }
        }
      d_append_char (dpi, '(');
      d_print_subexpr (dpi, d_right (dc));
      d_print_comp (dpi, d_right (dc));
 
      d_append_char (dpi, ')');
 
      return;
      return;
 
 
    case DEMANGLE_COMPONENT_BINARY:
    case DEMANGLE_COMPONENT_BINARY:
      if (d_right (dc)->type != DEMANGLE_COMPONENT_BINARY_ARGS)
      if (d_right (dc)->type != DEMANGLE_COMPONENT_BINARY_ARGS)
        {
        {
Line 3533... Line 3877...
      if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR
      if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR
          && d_left (dc)->u.s_operator.op->len == 1
          && d_left (dc)->u.s_operator.op->len == 1
          && d_left (dc)->u.s_operator.op->name[0] == '>')
          && d_left (dc)->u.s_operator.op->name[0] == '>')
        d_append_char (dpi, '(');
        d_append_char (dpi, '(');
 
 
      d_append_char (dpi, '(');
      d_print_subexpr (dpi, d_left (d_right (dc)));
      d_print_comp (dpi, d_left (d_right (dc)));
      if (strcmp (d_left (dc)->u.s_operator.op->code, "cl") != 0)
      d_append_string (dpi, ") ");
 
      d_print_expr_op (dpi, d_left (dc));
      d_print_expr_op (dpi, d_left (dc));
      d_append_string (dpi, " (");
      d_print_subexpr (dpi, d_right (d_right (dc)));
      d_print_comp (dpi, d_right (d_right (dc)));
 
      d_append_char (dpi, ')');
 
 
 
      if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR
      if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR
          && d_left (dc)->u.s_operator.op->len == 1
          && d_left (dc)->u.s_operator.op->len == 1
          && d_left (dc)->u.s_operator.op->name[0] == '>')
          && d_left (dc)->u.s_operator.op->name[0] == '>')
        d_append_char (dpi, ')');
        d_append_char (dpi, ')');
Line 3560... Line 3901...
          || d_right (d_right (dc))->type != DEMANGLE_COMPONENT_TRINARY_ARG2)
          || d_right (d_right (dc))->type != DEMANGLE_COMPONENT_TRINARY_ARG2)
        {
        {
          d_print_error (dpi);
          d_print_error (dpi);
          return;
          return;
        }
        }
      d_append_char (dpi, '(');
      d_print_subexpr (dpi, d_left (d_right (dc)));
      d_print_comp (dpi, d_left (d_right (dc)));
 
      d_append_string (dpi, ") ");
 
      d_print_expr_op (dpi, d_left (dc));
      d_print_expr_op (dpi, d_left (dc));
      d_append_string (dpi, " (");
      d_print_subexpr (dpi, d_left (d_right (d_right (dc))));
      d_print_comp (dpi, d_left (d_right (d_right (dc))));
      d_append_string (dpi, " : ");
      d_append_string (dpi, ") : (");
      d_print_subexpr (dpi, d_right (d_right (d_right (dc))));
      d_print_comp (dpi, d_right (d_right (d_right (dc))));
 
      d_append_char (dpi, ')');
 
      return;
      return;
 
 
    case DEMANGLE_COMPONENT_TRINARY_ARG1:
    case DEMANGLE_COMPONENT_TRINARY_ARG1:
    case DEMANGLE_COMPONENT_TRINARY_ARG2:
    case DEMANGLE_COMPONENT_TRINARY_ARG2:
      /* We should only see these are part of DEMANGLE_COMPONENT_TRINARY.  */
      /* We should only see these are part of DEMANGLE_COMPONENT_TRINARY.  */
Line 3675... Line 4012...
 
 
    case DEMANGLE_COMPONENT_CHARACTER:
    case DEMANGLE_COMPONENT_CHARACTER:
      d_append_char (dpi, dc->u.s_character.character);
      d_append_char (dpi, dc->u.s_character.character);
      return;
      return;
 
 
 
    case DEMANGLE_COMPONENT_DECLTYPE:
 
      d_append_string (dpi, "decltype (");
 
      d_print_comp (dpi, d_left (dc));
 
      d_append_char (dpi, ')');
 
      return;
 
 
 
    case DEMANGLE_COMPONENT_PACK_EXPANSION:
 
      {
 
        int len;
 
        int i;
 
        struct demangle_component *a = d_find_pack (dpi, d_left (dc));
 
        if (a == NULL)
 
          {
 
            /* d_find_pack won't find anything if the only packs involved
 
               in this expansion are function parameter packs; in that
 
               case, just print the pattern and "...".  */
 
            d_print_subexpr (dpi, d_left (dc));
 
            d_append_string (dpi, "...");
 
            return;
 
          }
 
 
 
        len = d_pack_length (a);
 
        dc = d_left (dc);
 
        for (i = 0; i < len; ++i)
 
          {
 
            dpi->pack_index = i;
 
            d_print_comp (dpi, dc);
 
            if (i < len-1)
 
              d_append_string (dpi, ", ");
 
          }
 
      }
 
      return;
 
 
 
    case DEMANGLE_COMPONENT_FUNCTION_PARAM:
 
      {
 
        char buf[25];
 
        d_append_string (dpi, "parm#");
 
        sprintf(buf,"%ld", dc->u.s_number.number);
 
        d_append_string (dpi, buf);
 
        return;
 
      }
 
 
 
    case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
 
      d_append_string (dpi, "global constructors keyed to ");
 
      d_print_comp (dpi, dc->u.s_binary.left);
 
      return;
 
 
 
    case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
 
      d_append_string (dpi, "global destructors keyed to ");
 
      d_print_comp (dpi, dc->u.s_binary.left);
 
      return;
 
 
    default:
    default:
      d_print_error (dpi);
      d_print_error (dpi);
      return;
      return;
    }
    }
}
}
Line 4105... Line 4494...
 
 
static int
static int
d_demangle_callback (const char *mangled, int options,
d_demangle_callback (const char *mangled, int options,
                     demangle_callbackref callback, void *opaque)
                     demangle_callbackref callback, void *opaque)
{
{
  int type;
  enum
 
    {
 
      DCT_TYPE,
 
      DCT_MANGLED,
 
      DCT_GLOBAL_CTORS,
 
      DCT_GLOBAL_DTORS
 
    }
 
  type;
  struct d_info di;
  struct d_info di;
  struct demangle_component *dc;
  struct demangle_component *dc;
  int status;
  int status;
 
 
  if (mangled[0] == '_' && mangled[1] == 'Z')
  if (mangled[0] == '_' && mangled[1] == 'Z')
    type = 0;
    type = DCT_MANGLED;
  else if (strncmp (mangled, "_GLOBAL_", 8) == 0
  else if (strncmp (mangled, "_GLOBAL_", 8) == 0
           && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$')
           && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$')
           && (mangled[9] == 'D' || mangled[9] == 'I')
           && (mangled[9] == 'D' || mangled[9] == 'I')
           && mangled[10] == '_')
           && mangled[10] == '_')
    {
    type = mangled[9] == 'I' ? DCT_GLOBAL_CTORS : DCT_GLOBAL_DTORS;
      const char *intro;
 
 
 
      intro = (mangled[9] == 'I')
 
              ? "global constructors keyed to "
 
              : "global destructors keyed to ";
 
 
 
      callback (intro, strlen (intro), opaque);
 
      callback (mangled + 11, strlen (mangled + 11), opaque);
 
      return 1;
 
    }
 
  else
  else
    {
    {
      if ((options & DMGL_TYPES) == 0)
      if ((options & DMGL_TYPES) == 0)
        return 0;
        return 0;
      type = 1;
      type = DCT_TYPE;
    }
    }
 
 
  cplus_demangle_init_info (mangled, options, strlen (mangled), &di);
  cplus_demangle_init_info (mangled, options, strlen (mangled), &di);
 
 
  {
  {
Line 4148... Line 4534...
#else
#else
    di.comps = alloca (di.num_comps * sizeof (*di.comps));
    di.comps = alloca (di.num_comps * sizeof (*di.comps));
    di.subs = alloca (di.num_subs * sizeof (*di.subs));
    di.subs = alloca (di.num_subs * sizeof (*di.subs));
#endif
#endif
 
 
    if (type)
    switch (type)
 
      {
 
      case DCT_TYPE:
      dc = cplus_demangle_type (&di);
      dc = cplus_demangle_type (&di);
    else
        break;
 
      case DCT_MANGLED:
      dc = cplus_demangle_mangled_name (&di, 1);
      dc = cplus_demangle_mangled_name (&di, 1);
 
        break;
 
      case DCT_GLOBAL_CTORS:
 
      case DCT_GLOBAL_DTORS:
 
        d_advance (&di, 11);
 
        dc = d_make_comp (&di,
 
                          (type == DCT_GLOBAL_CTORS
 
                           ? DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS
 
                           : DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS),
 
                          d_make_name (&di, d_str (&di), strlen (d_str (&di))),
 
                          NULL);
 
        d_advance (&di, strlen (d_str (&di)));
 
        break;
 
      }
 
 
    /* If DMGL_PARAMS is set, then if we didn't consume the entire
    /* If DMGL_PARAMS is set, then if we didn't consume the entire
       mangled string, then we didn't successfully demangle it.  If
       mangled string, then we didn't successfully demangle it.  If
       DMGL_PARAMS is not set, we didn't look at the trailing
       DMGL_PARAMS is not set, we didn't look at the trailing
       parameters.  */
       parameters.  */

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