xref: /386bsd/usr/src/usr.bin/g++/cc1plus/cp-tree.def (revision a2142627)
1/* This file contains the definitions and documentation for the
2   additional tree codes used in the GNU C++ compiler (see tree.def
3   for the standard codes).
4   Copyright (C) 1987, 1988, 1990, 1993 Free Software Foundation, Inc.
5   Hacked by Michael Tiemann (tiemann@cygnus.com)
6
7This file is part of GNU CC.
8
9GNU CC is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 2, or (at your option)
12any later version.
13
14GNU CC is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
20along with GNU CC; see the file COPYING.  If not, write to
21the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
22
23
24/* For DELETE_EXPR, operand 0 is the store to be destroyed.
25   Operand 1 is the value to pass to the destroying function
26   saying whether the store should be deallocated as well.  */
27DEFTREECODE (DELETE_EXPR, "dl_expr", "e", 2)
28
29/* Value is reference to particular overloaded class method.
30   Operand 0 is the class name (an IDENTIFIER_NODE);
31   operand 1 is the field (also an IDENTIFIER_NODE).
32   The COMPLEXITY field holds the class level (usually 0).  */
33DEFTREECODE (SCOPE_REF, "scope_ref", "r", 2)
34
35/* When composing an object with a member, this is the result.
36   Operand 0 is the object.  Operand 1 is the member (usually
37   a dereferenced pointer to member).  */
38DEFTREECODE (MEMBER_REF, "member_ref", "r", 2)
39
40/* Type conversion operator in C++.  TREE_TYPE is type that this
41   operator converts to.  Operand is expression to be converted.  */
42DEFTREECODE (TYPE_EXPR, "type_expr", "e", 1)
43
44/* For CPLUS_NEW_EXPR, operand 0 is function which performs initialization,
45   operand 1 is argument list to initialization function,
46   and operand 2 is the slot which was allocated for this expression.  */
47DEFTREECODE (NEW_EXPR, "nw_expr", "e", 3)
48
49/* Distinguish variables that are only used to identify exceptions
50   that were caught.  Only the DECL_NAME (and TREE_CHAIN)
51   is really used.  */
52DEFTREECODE (CPLUS_CATCH_DECL, "catch_decl", "d", 0)
53
54/* Template definition.  The following fields have the specified uses,
55   although there are other macros in cp-tree.h that should be used for
56   accessing this data.
57        DECL_ARGUMENTS          template parm vector
58        DECL_TEMPLATE_INFO      template text &c
59	DECL_VINDEX		list of instantiations already produced;
60				only done for functions so far
61   For class template:
62        DECL_INITIAL            associated templates (methods &c)
63        DECL_RESULT             null
64   For non-class templates:
65	TREE_TYPE		type of object to be constructed
66        DECL_RESULT             decl for object to be created
67                                (e.g., FUNCTION_DECL with tmpl parms used)
68 */
69DEFTREECODE (TEMPLATE_DECL, "template_decl", "d", 0)
70
71/* Index into a template parameter list.  This parameter must be a type.
72   Use TYPE_FIELDS to find parmlist and index.  */
73DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", "t", 0)
74
75/* Index into a template parameter list.  This parameter must not be a
76   type.  */
77DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", "c", 2)
78
79/* For uninstantiated parameterized types.
80        TYPE_VALUES     tree list:
81                TREE_PURPOSE    template decl
82                TREE_VALUE      parm vector
83                TREE_CHAIN      null
84   Other useful fields to be defined later.  */
85DEFTREECODE (UNINSTANTIATED_P_TYPE, "uninstantiated_p_type", "t", 0)
86