Esempio n. 1
0
static void
dump_type_inheritance_graph (FILE *f)
{
  unsigned int i;
  if (!odr_types_ptr)
    return;
  fprintf (f, "\n\nType inheritance graph:\n");
  for (i = 0; i < odr_types.length (); i++)
    {
      if (odr_types[i]->bases.length () == 0)
	dump_odr_type (f, odr_types[i]);
    }
  for (i = 0; i < odr_types.length (); i++)
    {
      if (odr_types[i]->types && odr_types[i]->types->length ())
	{
	  unsigned int j;
	  fprintf (f, "Duplicate tree types for odr type %i\n", i);
	  print_node (f, "", odr_types[i]->type, 0);
	  for (j = 0; j < odr_types[i]->types->length (); j++)
	    {
	      tree t;
	      fprintf (f, "duplicate #%i\n", j);
	      print_node (f, "", (*odr_types[i]->types)[j], 0);
	      t = (*odr_types[i]->types)[j];
	      while (TYPE_P (t) && TYPE_CONTEXT (t))
		{
		  t = TYPE_CONTEXT (t);
	          print_node (f, "", t, 0);
		}
	      putc ('\n',f);
	    }
	}
    }
}
Esempio n. 2
0
static void
pp_cxx_simple_type_specifier (cxx_pretty_printer *pp, tree t)
{
  switch (TREE_CODE (t))
    {
    case RECORD_TYPE:
    case UNION_TYPE:
    case ENUMERAL_TYPE:
      pp_cxx_qualified_id (pp, t);
      break;

    case TEMPLATE_TYPE_PARM:
    case TEMPLATE_TEMPLATE_PARM:
    case TEMPLATE_PARM_INDEX:
      pp_cxx_unqualified_id (pp, t);
      break;

    case TYPENAME_TYPE:
      pp_cxx_identifier (pp, "typename");
      pp_cxx_nested_name_specifier (pp, TYPE_CONTEXT (t));
      pp_cxx_unqualified_id (pp, TYPE_NAME (t));
      break;

    default:
      pp_c_type_specifier (pp_c_base (pp), t);
      break;
    }
}
Esempio n. 3
0
static void
pp_cxx_nested_name_specifier (cxx_pretty_printer *pp, tree t)
{
  if (t != NULL && t != pp->enclosing_scope)
    {
      tree scope = TYPE_P (t) ? TYPE_CONTEXT (t) : DECL_CONTEXT (t);
      pp_cxx_nested_name_specifier (pp, scope);
      pp_cxx_template_keyword_if_needed (pp, scope, t);
      pp_cxx_unqualified_id (pp, t);
      pp_cxx_colon_colon (pp);
    }
}
Esempio n. 4
0
static HOST_WIDE_INT
cxx_get_alias_set (tree t)
{
    if (TREE_CODE (t) == RECORD_TYPE
            && TYPE_CONTEXT (t) && CLASS_TYPE_P (TYPE_CONTEXT (t))
            && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
        /* The base variant of a type must be in the same alias set as the
           complete type.  */
        return get_alias_set (TYPE_CONTEXT (t));

    if (/* It's not yet safe to use alias sets for some classes in C++.  */
        !ok_to_generate_alias_set_for_type (t)
        /* Nor is it safe to use alias sets for pointers-to-member
        functions, due to the fact that there may be more than one
         RECORD_TYPE type corresponding to the same pointer-to-member
         type.  */
        || TYPE_PTRMEMFUNC_P (t))
        return 0;

    return c_common_get_alias_set (t);
}
Esempio n. 5
0
HOST_WIDE_INT
cxx_get_alias_set (tree t)
{
  if (IS_FAKE_BASE_TYPE (t))
    /* The base variant of a type must be in the same alias set as the
       complete type.  */
    return get_alias_set (TYPE_CONTEXT (t));

  /* Punt on PMFs until we canonicalize functions properly.  */
  if (TYPE_PTRMEMFUNC_P (t))
    return 0;

  return c_common_get_alias_set (t);
}
Esempio n. 6
0
static void
pp_cxx_qualified_id (cxx_pretty_printer *pp, tree t)
{
  switch (TREE_CODE (t))
    {
      /* A pointer-to-member is always qualified.  */
    case PTRMEM_CST:
      pp_cxx_nested_name_specifier (pp, PTRMEM_CST_CLASS (t));
      pp_cxx_unqualified_id (pp, PTRMEM_CST_MEMBER (t));
      break;

      /* In Standard C++, functions cannot possibly be used as
	 nested-name-specifiers.  However, there are situations where
	 is "makes sense" to output the surrounding function name for the
	 purpose of emphasizing on the scope kind.  Just printing the
	 function name might not be sufficient as it may be overloaded; so,
	 we decorate the function with its signature too.
	 FIXME:  This is probably the wrong pretty-printing for conversion
	 functions and some function templates.  */
    case OVERLOAD:
      t = OVL_CURRENT (t);
    case FUNCTION_DECL:
      if (DECL_FUNCTION_MEMBER_P (t))
	pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
      pp_cxx_unqualified_id
	(pp, DECL_CONSTRUCTOR_P (t) ? DECL_CONTEXT (t) : t);
      pp_cxx_parameter_declaration_clause (pp, TREE_TYPE (t));
      break;

    case OFFSET_REF:
    case SCOPE_REF:
      pp_cxx_nested_name_specifier (pp, TREE_OPERAND (t, 0));
      pp_cxx_unqualified_id (pp, TREE_OPERAND (t, 1));
      break;

    default:
      {
	tree scope = TYPE_P (t) ? TYPE_CONTEXT (t) : DECL_CONTEXT (t);
	if (scope != pp->enclosing_scope)
	  {
	    pp_cxx_nested_name_specifier (pp, scope);
	    pp_cxx_template_keyword_if_needed (pp, scope, t);
	  }
	pp_cxx_unqualified_id (pp, t);
      }
      break;
    }
}
Esempio n. 7
0
static void
lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib,
					struct data_in *data_in, tree expr)
{
  TYPE_SIZE (expr) = stream_read_tree (ib, data_in);
  TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
  TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
  TYPE_NAME (expr) = stream_read_tree (ib, data_in);
  /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO.  They will be
     reconstructed during fixup.  */
  /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
     during fixup.  */
  TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in);
  TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in);
  /* TYPE_CANONICAL gets re-computed during type merging.  */
  TYPE_CANONICAL (expr) = NULL_TREE;
  TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in);
}
Esempio n. 8
0
static void
write_ts_type_common_tree_pointers (struct output_block *ob, tree expr,
				    bool ref_p)
{
  stream_write_tree (ob, TYPE_SIZE (expr), ref_p);
  stream_write_tree (ob, TYPE_SIZE_UNIT (expr), ref_p);
  stream_write_tree (ob, TYPE_ATTRIBUTES (expr), ref_p);
  stream_write_tree (ob, TYPE_NAME (expr), ref_p);
  /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO.  They will be
     reconstructed during fixup.  */
  /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
     during fixup.  */
  stream_write_tree (ob, TYPE_MAIN_VARIANT (expr), ref_p);
  stream_write_tree (ob, TYPE_CONTEXT (expr), ref_p);
  /* TYPE_CANONICAL is re-computed during type merging, so no need
     to stream it here.  */
  stream_write_tree (ob, TYPE_STUB_DECL (expr), ref_p);
}
Esempio n. 9
0
/* qualified-id:
      nested-name-specifier template(opt) unqualified-id  */
static void
pp_cxx_qualified_id (cxx_pretty_printer *pp, tree t)
{
  switch (TREE_CODE (t))
    {
    case PTRMEM_CST:
      pp_cxx_nested_name_specifier (pp, PTRMEM_CST_CLASS (t));
      pp_cxx_unqualified_id (pp, PTRMEM_CST_MEMBER (t));
      break;

    case OVERLOAD:
      t = OVL_CURRENT (t);
    case FUNCTION_DECL:
      if (DECL_FUNCTION_MEMBER_P (t))
        pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
      pp_cxx_unqualified_id
        (pp, DECL_CONSTRUCTOR_P (t) ? DECL_CONTEXT (t) : t);
      break;

    case OFFSET_REF:
    case SCOPE_REF:
      pp_cxx_nested_name_specifier (pp, TREE_OPERAND (t, 0));
      pp_cxx_unqualified_id (pp, TREE_OPERAND (t, 1));
      break;

    default:
      {
        tree scope = TYPE_P (t) ? TYPE_CONTEXT (t) : DECL_CONTEXT (t);
        if (scope != pp->enclosing_scope)
          {
            pp_cxx_nested_name_specifier (pp, scope);
            pp_cxx_template_keyword_if_needed (pp, scope, t);
          }
        pp_cxx_unqualified_id (pp, t);
      }
      break;
    }
}
Esempio n. 10
0
    template <class CompositionT1, class CompositionT2>
    class and_expr
    : public cond_expr < and_expr<CompositionT1, CompositionT2> >
    {
    private:
        typename CompositionT1::embed_t expr1;
        typename CompositionT2::embed_t expr2;
    public:
        DECLARE_CONTEXT(TYPE_GENERATOR_CONTEXT2(CompositionT1, CompositionT2))

        and_expr(cond_expr<CompositionT1> const& e1, cond_expr<CompositionT2> const& e2)
        :expr1(e1.derived()), expr2(e2.derived())
        {}

        template <typename DataT>
        bool
        evaluate(TYPE_CONTEXT(DataT) & c) const;

    };

    template <class DerivedT>
    inline and_expr<cst_expr, DerivedT>
    operator&&(bool value, const cond_expr<DerivedT> & other);
    
}

#include "impl/and_expr_impl.hpp"

#endif
Esempio n. 11
0
void
browse_tree (tree begin)
{
  tree head;
  TB_CODE tbc = TB_UNUSED_COMMAND;
  ssize_t rd;
  char *input = NULL;
  long input_size = 0;

  fprintf (TB_OUT_FILE, "\nTree Browser\n");

#define TB_SET_HEAD(N) do {                                           \
  vec_safe_push (TB_history_stack, N);                                \
  head = N;                                                           \
  if (TB_verbose)                                                     \
    if (head)                                                         \
      {                                                               \
	print_generic_expr (TB_OUT_FILE, head, 0);                    \
	fprintf (TB_OUT_FILE, "\n");                                  \
      }                                                               \
} while (0)

  TB_SET_HEAD (begin);

  /* Store in a hashtable information about previous and upper statements.  */
  {
    TB_up_ht = new hash_table<tree_upper_hasher> (1023);
    TB_update_up (head);
  }

  while (24)
    {
      fprintf (TB_OUT_FILE, "TB> ");
      rd = TB_getline (&input, &input_size, TB_IN_FILE);

      if (rd == -1)
	/* EOF.  */
	goto ret;

      if (rd != 1)
	/* Get a new command.  Otherwise the user just pressed enter, and thus
	   she expects the last command to be reexecuted.  */
	tbc = TB_get_command (input);

      switch (tbc)
	{
	case TB_UPDATE_UP:
	  TB_update_up (head);
	  break;

	case TB_MAX:
	  if (head && (INTEGRAL_TYPE_P (head)
		       || TREE_CODE (head) == REAL_TYPE
		       || TREE_CODE (head) == FIXED_POINT_TYPE))
	    TB_SET_HEAD (TYPE_MAX_VALUE (head));
	  else
	    TB_WF;
	  break;

	case TB_MIN:
	  if (head && (INTEGRAL_TYPE_P (head)
		       || TREE_CODE (head) == REAL_TYPE
		       || TREE_CODE (head) == FIXED_POINT_TYPE))
	    TB_SET_HEAD (TYPE_MIN_VALUE (head));
	  else
	    TB_WF;
	  break;

	case TB_ELT:
	  if (head && TREE_CODE (head) == TREE_VEC)
	    {
	      /* This command takes another argument: the element number:
		 for example "elt 1".  */
	      TB_NIY;
	    }
	  else if (head && TREE_CODE (head) == VECTOR_CST)
	    {
	      /* This command takes another argument: the element number:
                 for example "elt 1".  */
              TB_NIY;
	    }
	  else
	    TB_WF;
	  break;

	case TB_VALUE:
	  if (head && TREE_CODE (head) == TREE_LIST)
	    TB_SET_HEAD (TREE_VALUE (head));
	  else
	    TB_WF;
	  break;

	case TB_PURPOSE:
	  if (head && TREE_CODE (head) == TREE_LIST)
	    TB_SET_HEAD (TREE_PURPOSE (head));
	  else
	    TB_WF;
	  break;

	case TB_IMAG:
	  if (head && TREE_CODE (head) == COMPLEX_CST)
	    TB_SET_HEAD (TREE_IMAGPART (head));
	  else
	    TB_WF;
	  break;

	case TB_REAL:
	  if (head && TREE_CODE (head) == COMPLEX_CST)
	    TB_SET_HEAD (TREE_REALPART (head));
	  else
	    TB_WF;
	  break;

	case TB_BLOCK:
	  if (head && TREE_CODE (head) == BIND_EXPR)
	    TB_SET_HEAD (TREE_OPERAND (head, 2));
	  else
	    TB_WF;
	  break;

	case TB_SUBBLOCKS:
	  if (head && TREE_CODE (head) == BLOCK)
	    TB_SET_HEAD (BLOCK_SUBBLOCKS (head));
	  else
	    TB_WF;
	  break;

	case TB_SUPERCONTEXT:
	  if (head && TREE_CODE (head) == BLOCK)
	    TB_SET_HEAD (BLOCK_SUPERCONTEXT (head));
	  else
	    TB_WF;
	  break;

	case TB_VARS:
	  if (head && TREE_CODE (head) == BLOCK)
	    TB_SET_HEAD (BLOCK_VARS (head));
	  else if (head && TREE_CODE (head) == BIND_EXPR)
	    TB_SET_HEAD (TREE_OPERAND (head, 0));
	  else
	    TB_WF;
	  break;

	case TB_REFERENCE_TO_THIS:
	  if (head && TYPE_P (head))
	    TB_SET_HEAD (TYPE_REFERENCE_TO (head));
	  else
	    TB_WF;
	  break;

	case TB_POINTER_TO_THIS:
	  if (head && TYPE_P (head))
	    TB_SET_HEAD (TYPE_POINTER_TO (head));
	  else
	    TB_WF;
	  break;

	case TB_BASETYPE:
	  if (head && TREE_CODE (head) == OFFSET_TYPE)
	    TB_SET_HEAD (TYPE_OFFSET_BASETYPE (head));
	  else
	    TB_WF;
	  break;

	case TB_ARG_TYPES:
	  if (head && (TREE_CODE (head) == FUNCTION_TYPE
		       || TREE_CODE (head) == METHOD_TYPE))
	    TB_SET_HEAD (TYPE_ARG_TYPES (head));
	  else
	    TB_WF;
	  break;

	case TB_METHOD_BASE_TYPE:
	  if (head && (TREE_CODE (head) == FUNCTION_TYPE
		       || TREE_CODE (head) == METHOD_TYPE)
	      && TYPE_METHOD_BASETYPE (head))
	    TB_SET_HEAD (TYPE_METHOD_BASETYPE (head));
	  else
	    TB_WF;
	  break;

	case TB_FIELDS:
	  if (head && (TREE_CODE (head) == RECORD_TYPE
		       || TREE_CODE (head) == UNION_TYPE
		       || TREE_CODE (head) == QUAL_UNION_TYPE))
	    TB_SET_HEAD (TYPE_FIELDS (head));
	  else
	    TB_WF;
	  break;

	case TB_DOMAIN:
	  if (head && TREE_CODE (head) == ARRAY_TYPE)
	    TB_SET_HEAD (TYPE_DOMAIN (head));
	  else
	    TB_WF;
	  break;

	case TB_VALUES:
	  if (head && TREE_CODE (head) == ENUMERAL_TYPE)
	    TB_SET_HEAD (TYPE_VALUES (head));
	  else
	    TB_WF;
	  break;

	case TB_ARG_TYPE:
	  if (head && TREE_CODE (head) == PARM_DECL)
	    TB_SET_HEAD (DECL_ARG_TYPE (head));
	  else
	    TB_WF;
	  break;

	case TB_INITIAL:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_INITIAL (head));
	  else
	    TB_WF;
	  break;

	case TB_RESULT:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_RESULT_FLD (head));
	  else
	    TB_WF;
	  break;

	case TB_ARGUMENTS:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_ARGUMENTS (head));
	  else
	    TB_WF;
	  break;

	case TB_ABSTRACT_ORIGIN:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_ABSTRACT_ORIGIN (head));
	  else if (head && TREE_CODE (head) == BLOCK)
	    TB_SET_HEAD (BLOCK_ABSTRACT_ORIGIN (head));
	  else
	    TB_WF;
	  break;

	case TB_ATTRIBUTES:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_ATTRIBUTES (head));
	  else if (head && TYPE_P (head))
	    TB_SET_HEAD (TYPE_ATTRIBUTES (head));
	  else
	    TB_WF;
	  break;

	case TB_CONTEXT:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_CONTEXT (head));
	  else if (head && TYPE_P (head)
		   && TYPE_CONTEXT (head))
	    TB_SET_HEAD (TYPE_CONTEXT (head));
	  else
	    TB_WF;
	  break;

	case TB_OFFSET:
	  if (head && TREE_CODE (head) == FIELD_DECL)
	    TB_SET_HEAD (DECL_FIELD_OFFSET (head));
	  else
	    TB_WF;
	  break;

	case TB_BIT_OFFSET:
	  if (head && TREE_CODE (head) == FIELD_DECL)
	    TB_SET_HEAD (DECL_FIELD_BIT_OFFSET (head));
	  else
	    TB_WF;
          break;

	case TB_UNIT_SIZE:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_SIZE_UNIT (head));
	  else if (head && TYPE_P (head))
	    TB_SET_HEAD (TYPE_SIZE_UNIT (head));
	  else
	    TB_WF;
	  break;

	case TB_SIZE:
	  if (head && DECL_P (head))
	    TB_SET_HEAD (DECL_SIZE (head));
	  else if (head && TYPE_P (head))
	    TB_SET_HEAD (TYPE_SIZE (head));
	  else
	    TB_WF;
	  break;

	case TB_TYPE:
	  if (head && TREE_TYPE (head))
	    TB_SET_HEAD (TREE_TYPE (head));
	  else
	    TB_WF;
	  break;

	case TB_DECL_SAVED_TREE:
	  if (head && TREE_CODE (head) == FUNCTION_DECL
	      && DECL_SAVED_TREE (head))
	    TB_SET_HEAD (DECL_SAVED_TREE (head));
	  else
	    TB_WF;
	  break;

	case TB_BODY:
	  if (head && TREE_CODE (head) == BIND_EXPR)
	    TB_SET_HEAD (TREE_OPERAND (head, 1));
	  else
	    TB_WF;
	  break;

	case TB_CHILD_0:
	  if (head && EXPR_P (head) && TREE_OPERAND (head, 0))
	    TB_SET_HEAD (TREE_OPERAND (head, 0));
	  else
	    TB_WF;
	  break;

	case TB_CHILD_1:
          if (head && EXPR_P (head) && TREE_OPERAND (head, 1))
	    TB_SET_HEAD (TREE_OPERAND (head, 1));
	  else
	    TB_WF;
          break;

	case TB_CHILD_2:
          if (head && EXPR_P (head) && TREE_OPERAND (head, 2))
	    TB_SET_HEAD (TREE_OPERAND (head, 2));
	  else
	    TB_WF;
	  break;

	case TB_CHILD_3:
	  if (head && EXPR_P (head) && TREE_OPERAND (head, 3))
	    TB_SET_HEAD (TREE_OPERAND (head, 3));
	  else
	    TB_WF;
          break;

	case TB_PRINT:
	  if (head)
	    debug_tree (head);
	  else
	    TB_WF;
	  break;

	case TB_PRETTY_PRINT:
	  if (head)
	    {
	      print_generic_stmt (TB_OUT_FILE, head, 0);
	      fprintf (TB_OUT_FILE, "\n");
	    }
	  else
	    TB_WF;
	  break;

	case TB_SEARCH_NAME:

	  break;

	case TB_SEARCH_CODE:
	  {
	    enum tree_code code;
	    char *arg_text;

	    arg_text = strchr (input, ' ');
	    if (arg_text == NULL)
	      {
		fprintf (TB_OUT_FILE, "First argument is missing.  This isn't a valid search command.  \n");
		break;
	      }
	    code = TB_get_tree_code (arg_text + 1);

	    /* Search in the subtree a node with the given code.  */
	    {
	      tree res;

	      res = walk_tree (&head, find_node_with_code, &code, NULL);
	      if (res == NULL_TREE)
		{
		  fprintf (TB_OUT_FILE, "There's no node with this code (reachable via the walk_tree function from this node).\n");
		}
	      else
		{
		  fprintf (TB_OUT_FILE, "Achoo!  I got this node in the tree.\n");
		  TB_SET_HEAD (res);
		}
	    }
	    break;
	  }

#define TB_MOVE_HEAD(FCT) do {       \
  if (head)                          \
    {                                \
      tree t;                        \
      t = FCT (head);                \
      if (t)                         \
        TB_SET_HEAD (t);             \
      else                           \
	TB_WF;                       \
    }                                \
  else                               \
    TB_WF;                           \
} while (0)

	case TB_FIRST:
	  TB_MOVE_HEAD (TB_first_in_bind);
          break;

        case TB_LAST:
          TB_MOVE_HEAD (TB_last_in_bind);
          break;

	case TB_UP:
	  TB_MOVE_HEAD (TB_up_expr);
	  break;

	case TB_PREV:
	  TB_MOVE_HEAD (TB_prev_expr);
	  break;

	case TB_NEXT:
	  TB_MOVE_HEAD (TB_next_expr);
	  break;

	case TB_HPREV:
	  /* This command is a little bit special, since it deals with history
	     stack.  For this reason it should keep the "head = ..." statement
	     and not use TB_MOVE_HEAD.  */
	  if (head)
	    {
	      tree t;
	      t = TB_history_prev ();
	      if (t)
		{
		  head = t;
		  if (TB_verbose)
		    {
		      print_generic_expr (TB_OUT_FILE, head, 0);
		      fprintf (TB_OUT_FILE, "\n");
		    }
		}
	      else
		TB_WF;
	    }
	  else
	    TB_WF;
	  break;

	case TB_CHAIN:
	  /* Don't go further if it's the last node in this chain.  */
	  if (head && TREE_CODE (head) == BLOCK)
	    TB_SET_HEAD (BLOCK_CHAIN (head));
	  else if (head && TREE_CHAIN (head))
	    TB_SET_HEAD (TREE_CHAIN (head));
	  else
	    TB_WF;
	  break;

	case TB_FUN:
	  /* Go up to the current function declaration.  */
	  TB_SET_HEAD (current_function_decl);
	  fprintf (TB_OUT_FILE, "Current function declaration.\n");
	  break;

	case TB_HELP:
	  /* Display a help message.  */
	  {
	    int i;
	    fprintf (TB_OUT_FILE, "Possible commands are:\n\n");
	    for (i = 0; i < TB_UNUSED_COMMAND; i++)
	      {
		fprintf (TB_OUT_FILE, "%20s  -  %s\n", TB_COMMAND_TEXT (i), TB_COMMAND_HELP (i));
	      }
	  }
	  break;

	case TB_VERBOSE:
	  if (TB_verbose == 0)
	    {
	      TB_verbose = 1;
	      fprintf (TB_OUT_FILE, "Verbose on.\n");
	    }
	  else
	    {
	      TB_verbose = 0;
	      fprintf (TB_OUT_FILE, "Verbose off.\n");
	    }
	  break;

	case TB_EXIT:
	case TB_QUIT:
	  /* Just exit from this function.  */
	  goto ret;

	default:
	  TB_NIY;
	}
    }

 ret:;
  delete TB_up_ht;
  TB_up_ht = NULL;
  return;
}
Esempio n. 12
0
    template <typename DataT>
    inline condition<DataT>
    condition<DataT>::copy() const
    {
        return condition<DataT>(ptr.get() ? ptr->clone() : 0);
    }


    template <
        typename DerivedT,       // derived class
        typename EmbedT,         // how derived class is embedded
        typename DataT
    >
    template <class>
    bool
    condition_base<DerivedT,EmbedT,DataT>::evaluate(TYPE_CONTEXT(DataT) & c) const
    {
        bool r = true;
        DerivedT const* derived_this = static_cast<DerivedT const*>(this);
        if (condition_base_access::get(*derived_this))                
        {                                                            
            r = condition_base_access::get(*derived_this)                
                    ->do_evaluate_virtual(c);                        
        }
        return r;
    }

}

Esempio n. 13
0
bool
cp_dump_tree (void* dump_info, tree t)
{
  enum tree_code code;
  dump_info_p di = (dump_info_p) dump_info;

  /* Figure out what kind of node this is.  */
  code = TREE_CODE (t);

  if (DECL_P (t))
    {
      if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
	dump_string (di, language_to_string (DECL_LANGUAGE (t)));
    }

  switch (code)
    {
    case IDENTIFIER_NODE:
      if (IDENTIFIER_OPNAME_P (t))
	{
	  dump_string (di, "operator");
	  return true;
	}
      else if (IDENTIFIER_TYPENAME_P (t))
	{
	  dump_child ("tynm", TREE_TYPE (t));
	  return true;
	}
      break;

    case OFFSET_TYPE:
      dump_string (di, "ptrmem");
      dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
      dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
      return true;

    case RECORD_TYPE:
      if (TYPE_PTRMEMFUNC_P (t))
	{
	  dump_string (di, "ptrmem");
	  dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
	  dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
	  return true;
	}
      /* Fall through.  */

    case UNION_TYPE:
      /* Is it a type used as a base? */
      if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
	  && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
	{
	  dump_child ("bfld", TYPE_CONTEXT (t));
	  return true;
	}
      
      if (! IS_AGGR_TYPE (t))
	break;

      dump_child ("vfld", TYPE_VFIELD (t));
      if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
        dump_string(di, "spec");

      if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t))
	{
	  int i;
	  tree binfo;
	  tree base_binfo;
	  
	  for (binfo = TYPE_BINFO (t), i = 0;
	       BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
	    {
	      dump_child ("base", BINFO_TYPE (base_binfo));
	      if (BINFO_VIRTUAL_P (base_binfo)) 
		dump_string (di, "virtual");
	      dump_access (di, base_binfo);
	    }
	}
      break;

    case FIELD_DECL:
      dump_access (di, t);
      if (DECL_MUTABLE_P (t))
        dump_string(di, "mutable");
      break;

    case VAR_DECL:
      if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
        dump_access (di, t);
      if (TREE_STATIC (t) && !TREE_PUBLIC (t))
        dump_string (di, "static");
      break; 

    case FUNCTION_DECL:
      if (!DECL_THUNK_P (t))
	{
          if (DECL_OVERLOADED_OPERATOR_P (t)) {
	    dump_string (di, "operator");
            dump_op (di, t);
          }
	  if (DECL_FUNCTION_MEMBER_P (t)) 
	    {
	      dump_string (di, "member");
	      dump_access (di, t);
	    }
          if (DECL_PURE_VIRTUAL_P (t))
            dump_string (di, "pure");
          if (DECL_VIRTUAL_P (t))
            dump_string (di, "virtual");
	  if (DECL_CONSTRUCTOR_P (t))
	    dump_string (di, "constructor");
	  if (DECL_DESTRUCTOR_P (t))
	    dump_string (di, "destructor");
	  if (DECL_CONV_FN_P (t))
	    dump_string (di, "conversion");
	  if (DECL_GLOBAL_CTOR_P (t))
	    dump_string (di, "global init");
	  if (DECL_GLOBAL_DTOR_P (t))
	    dump_string (di, "global fini");
	  if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
	    dump_string (di, "pseudo tmpl");
	}
      else
	{
	  tree virt = THUNK_VIRTUAL_OFFSET (t);
	  
	  dump_string (di, "thunk");
	  if (DECL_THIS_THUNK_P (t))
	    dump_string (di, "this adjusting");
	  else
	    {
	      dump_string (di, "result adjusting");
	      if (virt)
		virt = BINFO_VPTR_FIELD (virt);
	    }
	  dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
	  if (virt)
	    dump_int (di, "virt", tree_low_cst (virt, 0));
	  dump_child ("fn", DECL_INITIAL (t));
	}
      break;

    case NAMESPACE_DECL:
      if (DECL_NAMESPACE_ALIAS (t))
	dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
      else if (!dump_flag (di, TDF_SLIM, t))
	dump_child ("dcls", cp_namespace_decls (t));
      break;

    case TEMPLATE_DECL:
      dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
      dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
      dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
      dump_child ("prms", DECL_TEMPLATE_PARMS (t));
      break;

    case OVERLOAD:
      dump_child ("crnt", OVL_CURRENT (t));
      dump_child ("chan", OVL_CHAIN (t));
      break;

    case TRY_BLOCK:
      dump_stmt (di, t);
      if (CLEANUP_P (t))
	dump_string (di, "cleanup");
      dump_child ("body", TRY_STMTS (t));
      dump_child ("hdlr", TRY_HANDLERS (t));
      break;

    case EH_SPEC_BLOCK:
      dump_stmt (di, t);
      dump_child ("body", EH_SPEC_STMTS (t));
      dump_child ("raises", EH_SPEC_RAISES (t));
      break;

    case PTRMEM_CST:
      dump_child ("clas", PTRMEM_CST_CLASS (t));
      dump_child ("mbr", PTRMEM_CST_MEMBER (t));
      break;

    case THROW_EXPR:
      /* These nodes are unary, but do not have code class `1'.  */
      dump_child ("op 0", TREE_OPERAND (t, 0));
      break;

    case AGGR_INIT_EXPR:
      dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
      dump_child ("fn", TREE_OPERAND (t, 0));
      dump_child ("args", TREE_OPERAND (t, 1));
      dump_child ("decl", TREE_OPERAND (t, 2));
      break;
      
    case HANDLER:
      dump_stmt (di, t);
      dump_child ("parm", HANDLER_PARMS (t));
      dump_child ("body", HANDLER_BODY (t));
      break;

    case MUST_NOT_THROW_EXPR:
      dump_stmt (di, t);
      dump_child ("body", TREE_OPERAND (t, 0));
      break;

    case USING_STMT:
      dump_stmt (di, t);
      dump_child ("nmsp", USING_STMT_NAMESPACE (t));
      break;

    case CLEANUP_STMT:
      dump_stmt (di, t);
      dump_child ("decl", CLEANUP_DECL (t));
      dump_child ("expr", CLEANUP_EXPR (t));
      dump_child ("body", CLEANUP_BODY (t));
      break;

    case IF_STMT:
      dump_stmt (di, t);
      dump_child ("cond", IF_COND (t));
      dump_child ("then", THEN_CLAUSE (t));
      dump_child ("else", ELSE_CLAUSE (t));
      break;

    default:
      break;
    }

  return c_dump_tree (di, t);
}
Esempio n. 14
0
    template <typename DataT, template <typename,typename> class PolicyT>
    inline format<DataT, PolicyT>
    format<DataT, PolicyT>::copy() const
    {
        return self_t(ptr.get() ? ptr->clone() : 0);
    }
 
    template <
        typename DerivedT,       // derived class
        typename EmbedT,         // how derived class is embedded
        typename DataT
    >
    template <class>
    inline void
    format_base<DerivedT,EmbedT,DataT>::generate(TYPE_CONTEXT(DataT) & context) const
    {     
        DerivedT const* derived_this = static_cast<DerivedT const*>(this);
        if (format_base_access::get(*derived_this))                    
        {                                                            
            format_base_access::get(*derived_this)                    
                    ->do_generate_virtual(context);                    
        }                                                            
    }

    template <class BaseT, class DataT>
    template <class>
    inline void 
    generate_policy<BaseT,DataT>::generate(TYPE_CONTEXT(DataT) & context) const
    {
        BaseT::template generate<DataT>(context);
Esempio n. 15
0
namespace gen {

    template <typename DataT>
    bool
    else_expr::evaluate(TYPE_CONTEXT(DataT) & c) const
    {
        return declare_context<DataT>::else_condition().evaluate<DataT>(c);
    }

    inline else_expr
    else_g()
    {
        return else_expr();
    }

}
Esempio n. 16
0
void
make_friend_class (tree type, tree friend_type, bool complain)
{
    tree classes;

    /* CLASS_TEMPLATE_DEPTH counts the number of template headers for
       the enclosing class.  FRIEND_DEPTH counts the number of template
       headers used for this friend declaration.  TEMPLATE_MEMBER_P,
       defined inside the `if' block for TYPENAME_TYPE case, is true if
       a template header in FRIEND_DEPTH is intended for DECLARATOR.
       For example, the code

         template <class T> struct A {
     template <class U> struct B {
       template <class V> template <class W>
         friend class C<V>::D;
     };
         };

       will eventually give the following results

       1. CLASS_TEMPLATE_DEPTH equals 2 (for `T' and `U').
       2. FRIEND_DEPTH equals 2 (for `V' and `W').
       3. TEMPLATE_MEMBER_P is true (for `W').

       The friend is a template friend iff FRIEND_DEPTH is nonzero.  */

    int class_template_depth = template_class_depth (type);
    int friend_depth = processing_template_decl - class_template_depth;

    if (! MAYBE_CLASS_TYPE_P (friend_type))
    {
        error ("invalid type %qT declared %<friend%>", friend_type);
        return;
    }

    if (friend_depth)
        /* If the TYPE is a template then it makes sense for it to be
           friends with itself; this means that each instantiation is
           friends with all other instantiations.  */
    {
        if (CLASS_TYPE_P (friend_type)
                && CLASSTYPE_TEMPLATE_SPECIALIZATION (friend_type)
                && uses_template_parms (friend_type))
        {
            /* [temp.friend]
               Friend declarations shall not declare partial
               specializations.  */
            error ("partial specialization %qT declared %<friend%>",
                   friend_type);
            return;
        }
    }
    else if (same_type_p (type, friend_type))
    {
        if (complain)
            warning (0, "class %qT is implicitly friends with itself",
                     type);
        return;
    }

    /* [temp.friend]

       A friend of a class or class template can be a function or
       class template, a specialization of a function template or
       class template, or an ordinary (nontemplate) function or
       class.  */
    if (!friend_depth)
        ;/* ok */
    else if (TREE_CODE (friend_type) == TYPENAME_TYPE)
    {
        if (TREE_CODE (TYPENAME_TYPE_FULLNAME (friend_type))
                == TEMPLATE_ID_EXPR)
        {
            /* template <class U> friend class T::X<U>; */
            /* [temp.friend]
               Friend declarations shall not declare partial
               specializations.  */
            error ("partial specialization %qT declared %<friend%>",
                   friend_type);
            return;
        }
        else
        {
            /* We will figure this out later.  */
            bool template_member_p = false;

            tree ctype = TYPE_CONTEXT (friend_type);
            tree name = TYPE_IDENTIFIER (friend_type);
            tree decl;

            if (!uses_template_parms_level (ctype, class_template_depth
                                            + friend_depth))
                template_member_p = true;

            if (class_template_depth)
            {
                /* We rely on tsubst_friend_class to check the
                validity of the declaration later.  */
                if (template_member_p)
                    friend_type
                        = make_unbound_class_template (ctype,
                                                       name,
                                                       current_template_parms,
                                                       tf_error);
                else
                    friend_type
                        = make_typename_type (ctype, name, class_type, tf_error);
            }
            else
            {
                decl = lookup_member (ctype, name, 0, true);
                if (!decl)
                {
                    error ("%qT is not a member of %qT", name, ctype);
                    return;
                }
                if (template_member_p && !DECL_CLASS_TEMPLATE_P (decl))
                {
                    error ("%qT is not a member class template of %qT",
                           name, ctype);
                    error ("%q+D declared here", decl);
                    return;
                }
                if (!template_member_p && (TREE_CODE (decl) != TYPE_DECL
                                           || !CLASS_TYPE_P (TREE_TYPE (decl))))
                {
                    error ("%qT is not a nested class of %qT",
                           name, ctype);
                    error ("%q+D declared here", decl);
                    return;
                }

                friend_type = CLASSTYPE_TI_TEMPLATE (TREE_TYPE (decl));
            }
        }
    }
    else if (TREE_CODE (friend_type) == TEMPLATE_TYPE_PARM)
    {
        /* template <class T> friend class T; */
        error ("template parameter type %qT declared %<friend%>", friend_type);
        return;
    }
    else if (!CLASSTYPE_TEMPLATE_INFO (friend_type))
    {
        /* template <class T> friend class A; where A is not a template */
        error ("%q#T is not a template", friend_type);
        return;
    }
    else
        /* template <class T> friend class A; where A is a template */
        friend_type = CLASSTYPE_TI_TEMPLATE (friend_type);

    if (friend_type == error_mark_node)
        return;

    /* See if it is already a friend.  */
    for (classes = CLASSTYPE_FRIEND_CLASSES (type);
            classes;
            classes = TREE_CHAIN (classes))
    {
        tree probe = TREE_VALUE (classes);

        if (TREE_CODE (friend_type) == TEMPLATE_DECL)
        {
            if (friend_type == probe)
            {
                if (complain)
                    warning (0, "%qD is already a friend of %qT", probe, type);
                break;
            }
        }
        else if (TREE_CODE (probe) != TEMPLATE_DECL)
        {
            if (same_type_p (probe, friend_type))
            {
                if (complain)
                    warning (0, "%qT is already a friend of %qT", probe, type);
                break;
            }
        }
    }

    if (!classes)
    {
        maybe_add_class_template_decl_list (type, friend_type, /*friend_p=*/1);

        CLASSTYPE_FRIEND_CLASSES (type)
            = tree_cons (NULL_TREE, friend_type, CLASSTYPE_FRIEND_CLASSES (type));
        if (TREE_CODE (friend_type) == TEMPLATE_DECL)
            friend_type = TREE_TYPE (friend_type);
        if (!uses_template_parms (type))
            CLASSTYPE_BEFRIENDING_CLASSES (friend_type)
                = tree_cons (NULL_TREE, type,
                             CLASSTYPE_BEFRIENDING_CLASSES (friend_type));
    }
}
Esempio n. 17
0
namespace gen {

    template <typename FunctorT, typename ContextT>
    template <typename DataT>
    inline void
    actor<FunctorT,ContextT>::generate(TYPE_CONTEXT(DataT) & context) const
    {
        FunctorT funct = m_funct;
        str_g(actor_base_policy<FunctorT,DataT,ContextT>::apply(funct, context))    
            .generate<DataT>(context);
    }

    template <typename FunctorT>
    inline actor<FunctorT>
    act_g(FunctorT const& f)
    { 
        return actor<FunctorT>(f); 
    }

    template <typename ContextT, typename FunctorT>
    inline actor<FunctorT,ContextT>
    actT_g(FunctorT const& f)
    {
        return actor<FunctorT,ContextT>(f); 
    }

}
Esempio n. 18
0
int
is_friend (tree type, tree supplicant)
{
    int declp;
    tree list;
    tree context;

    if (supplicant == NULL_TREE || type == NULL_TREE)
        return 0;

    declp = DECL_P (supplicant);

    if (declp)
        /* It's a function decl.  */
    {
        tree list = DECL_FRIENDLIST (TYPE_MAIN_DECL (type));
        tree name = DECL_NAME (supplicant);

        for (; list ; list = TREE_CHAIN (list))
        {
            if (name == FRIEND_NAME (list))
            {
                tree friends = FRIEND_DECLS (list);
                for (; friends ; friends = TREE_CHAIN (friends))
                {
                    tree this_friend = TREE_VALUE (friends);

                    if (this_friend == NULL_TREE)
                        continue;

                    if (supplicant == this_friend)
                        return 1;

                    if (is_specialization_of_friend (supplicant, this_friend))
                        return 1;
                }
                break;
            }
        }
    }
    else
        /* It's a type.  */
    {
        if (same_type_p (supplicant, type))
            return 1;

        list = CLASSTYPE_FRIEND_CLASSES (TREE_TYPE (TYPE_MAIN_DECL (type)));
        for (; list ; list = TREE_CHAIN (list))
        {
            tree t = TREE_VALUE (list);

            if (TREE_CODE (t) == TEMPLATE_DECL ?
                    is_specialization_of_friend (TYPE_MAIN_DECL (supplicant), t) :
                    same_type_p (supplicant, t))
                return 1;
        }
    }

    if (declp)
    {
        if (DECL_FUNCTION_MEMBER_P (supplicant))
            context = DECL_CONTEXT (supplicant);
        else
            context = NULL_TREE;
    }
    else
    {
        if (TYPE_CLASS_SCOPE_P (supplicant))
            /* Nested classes get the same access as their enclosing types, as
               per DR 45 (this is a change from the standard).  */
            context = TYPE_CONTEXT (supplicant);
        else
            /* Local classes have the same access as the enclosing function.  */
            context = decl_function_context (TYPE_MAIN_DECL (supplicant));
    }

    /* A namespace is not friend to anybody.  */
    if (context && TREE_CODE (context) == NAMESPACE_DECL)
        context = NULL_TREE;

    if (context)
        return is_friend (type, context);

    return 0;
}
Esempio n. 19
0
    ///////////////////////////////////////////////////////////////////////////
    
    template <typename S>
    struct last
    :   public unary<S, generator<last<S> > >
    {
        DECLARE_CONTEXT(TYPE_GENERATOR_CONTEXT(S))

        typedef last<S>                     self_t;
        typedef unary_generator_category    generator_category_t;
        typedef unary<S, generator<self_t> > base_t;

        last(S const& a)
        : base_t(a) {}
    
        template <typename DataT>
        void
        generate(TYPE_CONTEXT(DataT) & context) const;
    };
    
    //////////////////////////////////
    template <typename S>
    last<S>
    operator-(generator<S> const& a);

}

#include "impl/last_impl.hpp"

#endif
Esempio n. 20
0
void
print_node (FILE *file, const char *prefix, tree node, int indent)
{
    int hash;
    struct bucket *b;
    machine_mode mode;
    enum tree_code_class tclass;
    int len;
    int i;
    expanded_location xloc;
    enum tree_code code;

    if (node == 0)
        return;

    code = TREE_CODE (node);
    tclass = TREE_CODE_CLASS (code);

    /* Don't get too deep in nesting.  If the user wants to see deeper,
       it is easy to use the address of a lowest-level node
       as an argument in another call to debug_tree.  */

    if (indent > 24)
    {
        print_node_brief (file, prefix, node, indent);
        return;
    }

    if (indent > 8 && (tclass == tcc_type || tclass == tcc_declaration))
    {
        print_node_brief (file, prefix, node, indent);
        return;
    }

    /* It is unsafe to look at any other fields of an ERROR_MARK node.  */
    if (code == ERROR_MARK)
    {
        print_node_brief (file, prefix, node, indent);
        return;
    }

    /* Allow this function to be called if the table is not there.  */
    if (table)
    {
        hash = ((uintptr_t) node) % HASH_SIZE;

        /* If node is in the table, just mention its address.  */
        for (b = table[hash]; b; b = b->next)
            if (b->node == node)
            {
                print_node_brief (file, prefix, node, indent);
                return;
            }

        /* Add this node to the table.  */
        b = XNEW (struct bucket);
        b->node = node;
        b->next = table[hash];
        table[hash] = b;
    }

    /* Indent to the specified column, since this is the long form.  */
    indent_to (file, indent);

    /* Print the slot this node is in, and its code, and address.  */
    fprintf (file, "%s <%s", prefix, get_tree_code_name (code));
    dump_addr (file, " ", node);

    /* Print the name, if any.  */
    if (tclass == tcc_declaration)
    {
        if (DECL_NAME (node))
            fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
        else if (code == LABEL_DECL
                 && LABEL_DECL_UID (node) != -1)
        {
            if (dump_flags & TDF_NOUID)
                fprintf (file, " L.xxxx");
            else
                fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
        }
        else
        {
            if (dump_flags & TDF_NOUID)
                fprintf (file, " %c.xxxx", code == CONST_DECL ? 'C' : 'D');
            else
                fprintf (file, " %c.%u", code == CONST_DECL ? 'C' : 'D',
                         DECL_UID (node));
        }
    }
    else if (tclass == tcc_type)
    {
        if (TYPE_NAME (node))
        {
            if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
                fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
            else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
                     && DECL_NAME (TYPE_NAME (node)))
                fprintf (file, " %s",
                         IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
        }
    }
    if (code == IDENTIFIER_NODE)
        fprintf (file, " %s", IDENTIFIER_POINTER (node));

    if (code == INTEGER_CST)
    {
        if (indent <= 4)
            print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
    }
    else if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
    {
        print_node (file, "type", TREE_TYPE (node), indent + 4);
        if (TREE_TYPE (node))
            indent_to (file, indent + 3);
    }

    if (!TYPE_P (node) && TREE_SIDE_EFFECTS (node))
        fputs (" side-effects", file);

    if (TYPE_P (node) ? TYPE_READONLY (node) : TREE_READONLY (node))
        fputs (" readonly", file);
    if (TYPE_P (node) && TYPE_ATOMIC (node))
        fputs (" atomic", file);
    if (!TYPE_P (node) && TREE_CONSTANT (node))
        fputs (" constant", file);
    else if (TYPE_P (node) && TYPE_SIZES_GIMPLIFIED (node))
        fputs (" sizes-gimplified", file);

    if (TYPE_P (node) && !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
        fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));

    if (TREE_ADDRESSABLE (node))
        fputs (" addressable", file);
    if (TREE_THIS_VOLATILE (node))
        fputs (" volatile", file);
    if (TREE_ASM_WRITTEN (node))
        fputs (" asm_written", file);
    if (TREE_USED (node))
        fputs (" used", file);
    if (TREE_NOTHROW (node))
        fputs (" nothrow", file);
    if (TREE_PUBLIC (node))
        fputs (" public", file);
    if (TREE_PRIVATE (node))
        fputs (" private", file);
    if (TREE_PROTECTED (node))
        fputs (" protected", file);
    if (TREE_STATIC (node))
        fputs (code == CALL_EXPR ? " must-tail-call" : " static", file);
    if (TREE_DEPRECATED (node))
        fputs (" deprecated", file);
    if (TREE_VISITED (node))
        fputs (" visited", file);

    if (code != TREE_VEC && code != INTEGER_CST && code != SSA_NAME)
    {
        if (TREE_LANG_FLAG_0 (node))
            fputs (" tree_0", file);
        if (TREE_LANG_FLAG_1 (node))
            fputs (" tree_1", file);
        if (TREE_LANG_FLAG_2 (node))
            fputs (" tree_2", file);
        if (TREE_LANG_FLAG_3 (node))
            fputs (" tree_3", file);
        if (TREE_LANG_FLAG_4 (node))
            fputs (" tree_4", file);
        if (TREE_LANG_FLAG_5 (node))
            fputs (" tree_5", file);
        if (TREE_LANG_FLAG_6 (node))
            fputs (" tree_6", file);
    }

    /* DECL_ nodes have additional attributes.  */

    switch (TREE_CODE_CLASS (code))
    {
    case tcc_declaration:
        if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
        {
            if (DECL_UNSIGNED (node))
                fputs (" unsigned", file);
            if (DECL_IGNORED_P (node))
                fputs (" ignored", file);
            if (DECL_ABSTRACT_P (node))
                fputs (" abstract", file);
            if (DECL_EXTERNAL (node))
                fputs (" external", file);
            if (DECL_NONLOCAL (node))
                fputs (" nonlocal", file);
        }
        if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
        {
            if (DECL_WEAK (node))
                fputs (" weak", file);
            if (DECL_IN_SYSTEM_HEADER (node))
                fputs (" in_system_header", file);
        }
        if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)
                && code != LABEL_DECL
                && code != FUNCTION_DECL
                && DECL_REGISTER (node))
            fputs (" regdecl", file);

        if (code == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
            fputs (" suppress-debug", file);

        if (code == FUNCTION_DECL
                && DECL_FUNCTION_SPECIFIC_TARGET (node))
            fputs (" function-specific-target", file);
        if (code == FUNCTION_DECL
                && DECL_FUNCTION_SPECIFIC_OPTIMIZATION (node))
            fputs (" function-specific-opt", file);
        if (code == FUNCTION_DECL && DECL_DECLARED_INLINE_P (node))
            fputs (" autoinline", file);
        if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
            fputs (" built-in", file);
        if (code == FUNCTION_DECL && DECL_STATIC_CHAIN (node))
            fputs (" static-chain", file);
        if (TREE_CODE (node) == FUNCTION_DECL && decl_is_tm_clone (node))
            fputs (" tm-clone", file);

        if (code == FIELD_DECL && DECL_PACKED (node))
            fputs (" packed", file);
        if (code == FIELD_DECL && DECL_BIT_FIELD (node))
            fputs (" bit-field", file);
        if (code == FIELD_DECL && DECL_NONADDRESSABLE_P (node))
            fputs (" nonaddressable", file);

        if (code == LABEL_DECL && EH_LANDING_PAD_NR (node))
            fprintf (file, " landing-pad:%d", EH_LANDING_PAD_NR (node));

        if (code == VAR_DECL && DECL_IN_TEXT_SECTION (node))
            fputs (" in-text-section", file);
        if (code == VAR_DECL && DECL_IN_CONSTANT_POOL (node))
            fputs (" in-constant-pool", file);
        if (code == VAR_DECL && DECL_COMMON (node))
            fputs (" common", file);
        if (code == VAR_DECL && DECL_THREAD_LOCAL_P (node))
        {
            fputs (" ", file);
            fputs (tls_model_names[DECL_TLS_MODEL (node)], file);
        }

        if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
        {
            if (DECL_VIRTUAL_P (node))
                fputs (" virtual", file);
            if (DECL_PRESERVE_P (node))
                fputs (" preserve", file);
            if (DECL_LANG_FLAG_0 (node))
                fputs (" decl_0", file);
            if (DECL_LANG_FLAG_1 (node))
                fputs (" decl_1", file);
            if (DECL_LANG_FLAG_2 (node))
                fputs (" decl_2", file);
            if (DECL_LANG_FLAG_3 (node))
                fputs (" decl_3", file);
            if (DECL_LANG_FLAG_4 (node))
                fputs (" decl_4", file);
            if (DECL_LANG_FLAG_5 (node))
                fputs (" decl_5", file);
            if (DECL_LANG_FLAG_6 (node))
                fputs (" decl_6", file);
            if (DECL_LANG_FLAG_7 (node))
                fputs (" decl_7", file);

            mode = DECL_MODE (node);
            fprintf (file, " %s", GET_MODE_NAME (mode));
        }

        if ((code == VAR_DECL || code == PARM_DECL || code == RESULT_DECL)
                && DECL_BY_REFERENCE (node))
            fputs (" passed-by-reference", file);

        if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)  && DECL_DEFER_OUTPUT (node))
            fputs (" defer-output", file);


        xloc = expand_location (DECL_SOURCE_LOCATION (node));
        fprintf (file, " file %s line %d col %d", xloc.file, xloc.line,
                 xloc.column);

        if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
        {
            print_node (file, "size", DECL_SIZE (node), indent + 4);
            print_node (file, "unit size", DECL_SIZE_UNIT (node), indent + 4);

            if (code != FUNCTION_DECL || DECL_BUILT_IN (node))
                indent_to (file, indent + 3);

            if (DECL_USER_ALIGN (node))
                fprintf (file, " user");

            fprintf (file, " align %d", DECL_ALIGN (node));
            if (code == FIELD_DECL)
                fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
                         DECL_OFFSET_ALIGN (node));

            if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
            {
                if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
                    fprintf (file, " built-in BUILT_IN_MD %d", DECL_FUNCTION_CODE (node));
                else
                    fprintf (file, " built-in %s:%s",
                             built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
                             built_in_names[(int) DECL_FUNCTION_CODE (node)]);
            }
        }
        if (code == FIELD_DECL)
        {
            print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
            print_node (file, "bit offset", DECL_FIELD_BIT_OFFSET (node),
                        indent + 4);
            if (DECL_BIT_FIELD_TYPE (node))
                print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
                            indent + 4);
        }

        print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);

        if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
        {
            print_node_brief (file, "attributes",
                              DECL_ATTRIBUTES (node), indent + 4);
            if (code != PARM_DECL)
                print_node_brief (file, "initial", DECL_INITIAL (node),
                                  indent + 4);
        }
        if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
        {
            print_node_brief (file, "abstract_origin",
                              DECL_ABSTRACT_ORIGIN (node), indent + 4);
        }
        if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
        {
            print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
        }

        lang_hooks.print_decl (file, node, indent);

        if (DECL_RTL_SET_P (node))
        {
            indent_to (file, indent + 4);
            print_rtl (file, DECL_RTL (node));
        }

        if (code == PARM_DECL)
        {
            print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);

            if (DECL_INCOMING_RTL (node) != 0)
            {
                indent_to (file, indent + 4);
                fprintf (file, "incoming-rtl ");
                print_rtl (file, DECL_INCOMING_RTL (node));
            }
        }
        else if (code == FUNCTION_DECL
                 && DECL_STRUCT_FUNCTION (node) != 0)
        {
            print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
            indent_to (file, indent + 4);
            dump_addr (file, "struct-function ", DECL_STRUCT_FUNCTION (node));
        }

        if ((code == VAR_DECL || code == PARM_DECL)
                && DECL_HAS_VALUE_EXPR_P (node))
            print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);

        /* Print the decl chain only if decl is at second level.  */
        if (indent == 4)
            print_node (file, "chain", TREE_CHAIN (node), indent + 4);
        else
            print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
        break;

    case tcc_type:
        if (TYPE_UNSIGNED (node))
            fputs (" unsigned", file);

        if (TYPE_NO_FORCE_BLK (node))
            fputs (" no-force-blk", file);

        if (TYPE_STRING_FLAG (node))
            fputs (" string-flag", file);

        if (TYPE_NEEDS_CONSTRUCTING (node))
            fputs (" needs-constructing", file);

        if ((code == RECORD_TYPE
                || code == UNION_TYPE
                || code == QUAL_UNION_TYPE
                || code == ARRAY_TYPE)
                && TYPE_REVERSE_STORAGE_ORDER (node))
            fputs (" reverse-storage-order", file);

        /* The transparent-union flag is used for different things in
        different nodes.  */
        if ((code == UNION_TYPE || code == RECORD_TYPE)
                && TYPE_TRANSPARENT_AGGR (node))
            fputs (" transparent-aggr", file);
        else if (code == ARRAY_TYPE
                 && TYPE_NONALIASED_COMPONENT (node))
            fputs (" nonaliased-component", file);

        if (TYPE_PACKED (node))
            fputs (" packed", file);

        if (TYPE_RESTRICT (node))
            fputs (" restrict", file);

        if (TYPE_LANG_FLAG_0 (node))
            fputs (" type_0", file);
        if (TYPE_LANG_FLAG_1 (node))
            fputs (" type_1", file);
        if (TYPE_LANG_FLAG_2 (node))
            fputs (" type_2", file);
        if (TYPE_LANG_FLAG_3 (node))
            fputs (" type_3", file);
        if (TYPE_LANG_FLAG_4 (node))
            fputs (" type_4", file);
        if (TYPE_LANG_FLAG_5 (node))
            fputs (" type_5", file);
        if (TYPE_LANG_FLAG_6 (node))
            fputs (" type_6", file);
        if (TYPE_LANG_FLAG_7 (node))
            fputs (" type_7", file);

        mode = TYPE_MODE (node);
        fprintf (file, " %s", GET_MODE_NAME (mode));

        print_node (file, "size", TYPE_SIZE (node), indent + 4);
        print_node (file, "unit size", TYPE_SIZE_UNIT (node), indent + 4);
        indent_to (file, indent + 3);

        if (TYPE_USER_ALIGN (node))
            fprintf (file, " user");

        fprintf (file, " align %d symtab %d alias set " HOST_WIDE_INT_PRINT_DEC,
                 TYPE_ALIGN (node), TYPE_SYMTAB_ADDRESS (node),
                 (HOST_WIDE_INT) TYPE_ALIAS_SET (node));

        if (TYPE_STRUCTURAL_EQUALITY_P (node))
            fprintf (file, " structural equality");
        else
            dump_addr (file, " canonical type ", TYPE_CANONICAL (node));

        print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);

        if (INTEGRAL_TYPE_P (node) || code == REAL_TYPE
                || code == FIXED_POINT_TYPE)
        {
            fprintf (file, " precision %d", TYPE_PRECISION (node));
            print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
            print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
        }

        if (code == ENUMERAL_TYPE)
            print_node (file, "values", TYPE_VALUES (node), indent + 4);
        else if (code == ARRAY_TYPE)
            print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
        else if (code == VECTOR_TYPE)
            fprintf (file, " nunits %d", (int) TYPE_VECTOR_SUBPARTS (node));
        else if (code == RECORD_TYPE
                 || code == UNION_TYPE
                 || code == QUAL_UNION_TYPE)
            print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
        else if (code == FUNCTION_TYPE
                 || code == METHOD_TYPE)
        {
            if (TYPE_METHOD_BASETYPE (node))
                print_node_brief (file, "method basetype",
                                  TYPE_METHOD_BASETYPE (node), indent + 4);
            print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
        }
        else if (code == OFFSET_TYPE)
            print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
                              indent + 4);

        if (TYPE_CONTEXT (node))
            print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);

        lang_hooks.print_type (file, node, indent);

        if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
            indent_to (file, indent + 3);

        print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
                          indent + 4);
        print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
                          indent + 4);
        print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
        break;

    case tcc_expression:
    case tcc_comparison:
    case tcc_unary:
    case tcc_binary:
    case tcc_reference:
    case tcc_statement:
    case tcc_vl_exp:
        if (code == BIND_EXPR)
        {
            print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
            print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
            print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
            break;
        }
        if (code == CALL_EXPR)
        {
            call_expr_arg_iterator iter;
            tree arg;
            print_node (file, "fn", CALL_EXPR_FN (node), indent + 4);
            print_node (file, "static_chain", CALL_EXPR_STATIC_CHAIN (node),
                        indent + 4);
            i = 0;
            FOR_EACH_CALL_EXPR_ARG (arg, iter, node)
            {
                char temp[10];
                sprintf (temp, "arg %d", i);
                print_node (file, temp, arg, indent + 4);
                i++;
            }
        }
Esempio n. 21
0
void
make_friend_class (tree type, tree friend_type, bool complain)
{
  tree classes;

  /* CLASS_TEMPLATE_DEPTH counts the number of template headers for
     the enclosing class.  FRIEND_DEPTH counts the number of template
     headers used for this friend declaration.  TEMPLATE_MEMBER_P,
     defined inside the `if' block for TYPENAME_TYPE case, is true if
     a template header in FRIEND_DEPTH is intended for DECLARATOR.
     For example, the code

       template <class T> struct A {
	 template <class U> struct B {
	   template <class V> template <class W>
	     friend class C<V>::D;
	 };
       };

     will eventually give the following results

     1. CLASS_TEMPLATE_DEPTH equals 2 (for `T' and `U').
     2. FRIEND_DEPTH equals 2 (for `V' and `W').
     3. TEMPLATE_MEMBER_P is true (for `W').

     The friend is a template friend iff FRIEND_DEPTH is nonzero.  */

  int class_template_depth = template_class_depth (type);
  int friend_depth = processing_template_decl - class_template_depth;

  if (! MAYBE_CLASS_TYPE_P (friend_type)
      && TREE_CODE (friend_type) != TEMPLATE_TEMPLATE_PARM)
    {
      /* N1791: If the type specifier in a friend declaration designates a
	 (possibly cv-qualified) class type, that class is declared as a
	 friend; otherwise, the friend declaration is ignored.

         So don't complain in C++11 mode.  */
      if (cxx_dialect < cxx11)
	pedwarn (input_location, complain ? 0 : OPT_Wpedantic,
		 "invalid type %qT declared %<friend%>", friend_type);
      return;
    }

  friend_type = cv_unqualified (friend_type);

  if (check_for_bare_parameter_packs (friend_type))
    return;

  if (friend_depth)
    {
      /* [temp.friend] Friend declarations shall not declare partial
	 specializations.  */
      if (CLASS_TYPE_P (friend_type)
	  && CLASSTYPE_TEMPLATE_SPECIALIZATION (friend_type)
	  && uses_template_parms (friend_type))
	{
	  error ("partial specialization %qT declared %<friend%>",
		 friend_type);
	  return;
	}

      if (TYPE_TEMPLATE_INFO (friend_type)
	  && !PRIMARY_TEMPLATE_P (TYPE_TI_TEMPLATE (friend_type)))
	{
	  error ("%qT is not a template", friend_type);
	  inform (location_of (friend_type), "previous declaration here");
	  if (TYPE_CLASS_SCOPE_P (friend_type)
	      && CLASSTYPE_TEMPLATE_INFO (TYPE_CONTEXT (friend_type))
	      && currently_open_class (TYPE_CONTEXT (friend_type)))
	    inform (input_location, "perhaps you need explicit template "
		    "arguments in your nested-name-specifier");
	  return;
	}
    }

  /* It makes sense for a template class to be friends with itself,
     that means the instantiations can be friendly.  Other cases are
     not so meaningful.  */
  if (!friend_depth && same_type_p (type, friend_type))
    {
      if (complain)
	warning (0, "class %qT is implicitly friends with itself",
		 type);
      return;
    }

  /* [temp.friend]

     A friend of a class or class template can be a function or
     class template, a specialization of a function template or
     class template, or an ordinary (nontemplate) function or
     class.  */
  if (!friend_depth)
    ;/* ok */
  else if (TREE_CODE (friend_type) == TYPENAME_TYPE)
    {
      if (TREE_CODE (TYPENAME_TYPE_FULLNAME (friend_type))
	  == TEMPLATE_ID_EXPR)
	{
	  /* template <class U> friend class T::X<U>; */
	  /* [temp.friend]
	     Friend declarations shall not declare partial
	     specializations.  */
	  error ("partial specialization %qT declared %<friend%>",
		 friend_type);
	  return;
	}
      else
	{
	  /* We will figure this out later.  */
	  bool template_member_p = false;

	  tree ctype = TYPE_CONTEXT (friend_type);
	  tree name = TYPE_IDENTIFIER (friend_type);
	  tree decl;

	  if (!uses_template_parms_level (ctype, class_template_depth
						 + friend_depth))
	    template_member_p = true;

	  if (class_template_depth)
	    {
	      /* We rely on tsubst_friend_class to check the
		 validity of the declaration later.  */
	      if (template_member_p)
		friend_type
		  = make_unbound_class_template (ctype,
						 name,
						 current_template_parms,
						 tf_error);
	      else
		friend_type
		  = make_typename_type (ctype, name, class_type, tf_error);
	    }
	  else
	    {
	      decl = lookup_member (ctype, name, 0, true, tf_warning_or_error);
	      if (!decl)
		{
		  error ("%qT is not a member of %qT", name, ctype);
		  return;
		}
	      if (template_member_p && !DECL_CLASS_TEMPLATE_P (decl))
		{
		  error ("%qT is not a member class template of %qT",
			 name, ctype);
		  inform (DECL_SOURCE_LOCATION (decl),
			  "%qD declared here", decl);
		  return;
		}
	      if (!template_member_p && (TREE_CODE (decl) != TYPE_DECL
					 || !CLASS_TYPE_P (TREE_TYPE (decl))))
		{
		  error ("%qT is not a nested class of %qT",
			 name, ctype);
		  inform (DECL_SOURCE_LOCATION (decl),
			  "%qD declared here", decl);
		  return;
		}

	      friend_type = CLASSTYPE_TI_TEMPLATE (TREE_TYPE (decl));
	    }
	}
    }
  else if (TREE_CODE (friend_type) == TEMPLATE_TYPE_PARM)
    {
      /* template <class T> friend class T; */
      error ("template parameter type %qT declared %<friend%>", friend_type);
      return;
    }
  else if (TREE_CODE (friend_type) == TEMPLATE_TEMPLATE_PARM)
    friend_type = TYPE_NAME (friend_type);
  else if (!CLASSTYPE_TEMPLATE_INFO (friend_type))
    {
      /* template <class T> friend class A; where A is not a template */
      error ("%q#T is not a template", friend_type);
      return;
    }
  else
    /* template <class T> friend class A; where A is a template */
    friend_type = CLASSTYPE_TI_TEMPLATE (friend_type);

  if (friend_type == error_mark_node)
    return;

  /* See if it is already a friend.  */
  for (classes = CLASSTYPE_FRIEND_CLASSES (type);
       classes;
       classes = TREE_CHAIN (classes))
    {
      tree probe = TREE_VALUE (classes);

      if (TREE_CODE (friend_type) == TEMPLATE_DECL)
	{
	  if (friend_type == probe)
	    {
	      if (complain)
		warning (OPT_Wredundant_decls,
			 "%qD is already a friend of %qT", probe, type);
	      break;
	    }
	}
      else if (TREE_CODE (probe) != TEMPLATE_DECL)
	{
	  if (same_type_p (probe, friend_type))
	    {
	      if (complain)
		warning (OPT_Wredundant_decls,
			 "%qT is already a friend of %qT", probe, type);
	      break;
	    }
	}
    }

  if (!classes)
    {
      maybe_add_class_template_decl_list (type, friend_type, /*friend_p=*/1);

      CLASSTYPE_FRIEND_CLASSES (type)
	= tree_cons (NULL_TREE, friend_type, CLASSTYPE_FRIEND_CLASSES (type));
      if (TREE_CODE (friend_type) == TEMPLATE_DECL)
	friend_type = TREE_TYPE (friend_type);
      if (!uses_template_parms (type))
	CLASSTYPE_BEFRIENDING_CLASSES (friend_type)
	  = tree_cons (NULL_TREE, type,
		       CLASSTYPE_BEFRIENDING_CLASSES (friend_type));
    }
}