cp-tree.def

早期freebsd实现

/* This file contains the definitions and documentation for the
   additional tree codes used in the GNU C++ compiler (see tree.def
   for the standard codes).
   Copyright (C) 1987, 1988, 1990 Free Software Foundation, Inc.
   Hacked by Michael Tiemann ([e-mail])

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

 
/* For DELETE_EXPR, operand 0 is the store to be destroyed.
   Operand 1 is the value to pass to the destroying function
   saying whether the store should be deallocated as well.  */
DEFTREECODE (DELETE_EXPR, "dl_expr", "e", 2)

/* Value is reference to particular overloaded class method.
   Operand 0 is the class name (an IDENTIFIER_NODE);
   operand 1 is the field (also an IDENTIFIER_NODE).
   The COMPLEXITY field holds the class level (usually 0).  */
DEFTREECODE (SCOPE_REF, "scope_ref", "r", 2)

/* When composing an object with a member, this is the result.
   Operand 0 is the object.  Operand 1 is the member (usually
   a dereferenced pointer to member).  */
DEFTREECODE (MEMBER_REF, "member_ref", "r", 2)

/* Type conversion operator in C++.  TREE_TYPE is type that this
   operator converts to.  Operand is expression to be converted.  */
DEFTREECODE (TYPE_EXPR, "type_expr", "e", 1)

/* For CPLUS_NEW_EXPR, operand 0 is function which performs initialization,
   operand 1 is argument list to initialization function,
   and operand 2 is the slot which was allocated for this expression.  */
DEFTREECODE (NEW_EXPR, "nw_expr", "e", 3)

/* Distinguish variables that are only used to identify exceptions
   that were caught.  Only the DECL_NAME (and TREE_CHAIN)
   is really used.  */
DEFTREECODE (CPLUS_CATCH_DECL, "catch_decl", "d", 0)

/* Template definition.  The following fields have the specified uses,
   although there are other macros in cp-tree.h that should be used for
   accessing this data.
        DECL_ARGUMENTS          template parm vector
        DECL_TEMPLATE_INFO      template text &c
	DECL_VINDEX		list of instantiations already produced;
				only done for functions so far
   For class template:
        DECL_INITIAL            associated templates (methods &c)
        DECL_RESULT             null
   For non-class templates:
	TREE_TYPE		type of object to be constructed
        DECL_RESULT             decl for object to be created
                                (e.g., FUNCTION_DECL with tmpl parms used)
 */
DEFTREECODE (TEMPLATE_DECL, "template_decl", "d", 0)

/* Index into a template parameter list.  This parameter must be a type.
   Use TYPE_FIELDS to find parmlist and index.  */
DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", "t", 0)

/* Index into a template parameter list.  This parameter must not be a
   type.  */
DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", "c", 2)

/* For uninstantiated parameterized types.
        TYPE_VALUES     tree list:
                TREE_PURPOSE    template decl
                TREE_VALUE      parm vector
                TREE_CHAIN      null
   Other useful fields to be defined later.  */
DEFTREECODE (UNINSTANTIATED_P_TYPE, "uninstantiated_p_type", "t", 0)