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)
7 This file is part of GNU CC.
9 GNU CC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
14 GNU CC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GNU CC; see the file COPYING. If not, write to
21 the Free Software Foundation, 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
25 /* Reference to the contents of an offset
26 (a value whose type is an OFFSET_TYPE).
27 Operand 0 is the object within which the offset is taken.
28 Operand 1 is the offset. The language independent OFFSET_REF
29 just won't work for us. */
30 DEFTREECODE (OFFSET_REF, "offset_ref", "r", 2)
32 /* For DELETE_EXPR, operand 0 is the store to be destroyed.
33 Operand 1 is the value to pass to the destroying function
34 saying whether the store should be deallocated as well. */
35 DEFTREECODE (DELETE_EXPR, "dl_expr", "e", 2)
36 DEFTREECODE (VEC_DELETE_EXPR, "vec_dl_expr", "e", 2)
38 /* Value is reference to particular overloaded class method.
39 Operand 0 is the class name (an IDENTIFIER_NODE);
40 operand 1 is the field (also an IDENTIFIER_NODE).
41 The COMPLEXITY field holds the class level (usually 0). */
42 DEFTREECODE (SCOPE_REF, "scope_ref", "r", 2)
44 /* When composing an object with a member, this is the result.
45 Operand 0 is the object. Operand 1 is the member (usually
46 a dereferenced pointer to member). */
47 DEFTREECODE (MEMBER_REF, "member_ref", "r", 2)
49 /* Type conversion operator in C++. TREE_TYPE is type that this
50 operator converts to. Operand is expression to be converted. */
51 DEFTREECODE (TYPE_EXPR, "type_expr", "e", 1)
53 /* For NEW_EXPR, operand 0 is function which performs initialization,
54 operand 1 is argument list to initialization function,
55 and operand 2 is the slot which was allocated for this expression. */
56 DEFTREECODE (NEW_EXPR, "nw_expr", "e", 3)
57 DEFTREECODE (VEC_NEW_EXPR, "vec_nw_expr", "e", 3)
59 /* A throw expression. operand 0 is the expression, if there was one,
60 else it is NULL_TREE. */
61 DEFTREECODE (THROW_EXPR, "throw_expr", "e", 1)
63 /* Initialization of a vector, used in build_new. Operand 0 is the target
64 of the initialization, operand 1 is the initializer, and operand 2 is
65 the number of elements. */
66 DEFTREECODE (VEC_INIT_EXPR, "vec_init_expr", "e", 3)
68 /* Template definition. The following fields have the specified uses,
69 although there are other macros in cp-tree.h that should be used for
71 DECL_ARGUMENTS template parm vector
72 DECL_TEMPLATE_INFO template text &c
73 DECL_VINDEX list of instantiations already produced;
74 only done for functions so far
76 DECL_INITIAL associated templates (methods &c)
78 For non-class templates:
79 TREE_TYPE type of object to be constructed
80 DECL_RESULT decl for object to be created
81 (e.g., FUNCTION_DECL with tmpl parms used)
83 DEFTREECODE (TEMPLATE_DECL, "template_decl", "d", 0)
85 /* Index into a template parameter list. This parameter must be a type.
86 Use TYPE_FIELDS to find parmlist and index. */
87 DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", "t", 0)
89 /* A type designated by 'typename T::t'. */
90 DEFTREECODE (TYPENAME_TYPE, "typename_type", "t", 0)
92 /* Index into a template parameter list. This parameter must not be a
94 DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", "c", 2)
96 /* A thunk is a stub function.
98 Thunks are used to implement multiple inheritance:
99 At run-time, such a thunk subtracts THUNK_DELTA (an int, not a tree)
100 from the this pointer, and then jumps to DECL_INITIAL
101 (which is an ADDR_EXPR whose operand is a FUNCTION_DECL).
103 Other kinds of thunks may be defined later. */
104 DEFTREECODE (THUNK_DECL, "thunk_decl", "d", 0)
106 /* A namespace declaration. */
107 DEFTREECODE (NAMESPACE_DECL, "namespace_decl", "d", 0)
109 /* A using declaration. DECL_INITIAL contains the specified scope.
110 This is not an alias, but is later expanded into multiple aliases. */
111 DEFTREECODE (USING_DECL, "using_decl", "d", 0)
113 DEFTREECODE (LOOKUP_EXPR, "lookup_expr", "e", 2)
114 DEFTREECODE (MODOP_EXPR, "modop_expr", "e", 3)
115 DEFTREECODE (CAST_EXPR, "cast_expr", "1", 1)
116 DEFTREECODE (REINTERPRET_CAST_EXPR, "reinterpret_cast_expr", "1", 1)
117 DEFTREECODE (CONST_CAST_EXPR, "const_cast_expr", "1", 1)
118 DEFTREECODE (STATIC_CAST_EXPR, "static_cast_expr", "1", 1)
119 DEFTREECODE (DYNAMIC_CAST_EXPR, "dynamic_cast_expr", "1", 1)
120 DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", "1", 1)
121 DEFTREECODE (ARROW_EXPR, "arrow_expr", "e", 1)
122 DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", "e", 2)
123 DEFTREECODE (TYPEID_EXPR, "typeid_expr", "e", 1)
125 DEFTREECODE (EXPR_STMT, "expr_stmt", "e", 1)
126 DEFTREECODE (COMPOUND_STMT, "compound_stmt", "e", 1)
127 DEFTREECODE (DECL_STMT, "decl_stmt", "e", 3)
128 DEFTREECODE (IF_STMT, "if_stmt", "e", 3)
129 DEFTREECODE (FOR_STMT, "for_stmt", "e", 4)
130 DEFTREECODE (WHILE_STMT, "while_stmt", "e", 2)
131 DEFTREECODE (DO_STMT, "do_stmt", "e", 2)
132 DEFTREECODE (RETURN_STMT, "return_stmt", "e", 1)
133 DEFTREECODE (BREAK_STMT, "break_stmt", "e", 0)
134 DEFTREECODE (CONTINUE_STMT, "continue_stmt", "e", 0)
135 DEFTREECODE (SWITCH_STMT, "switch_stmt", "e", 2)
136 DEFTREECODE (GOTO_STMT, "goto_stmt", "e", 1)
138 DEFTREECODE (CTOR_INITIALIZER, "ctor_initializer", "e", 2)
139 DEFTREECODE (CASE_LABEL, "case_label", "e", 2)
140 DEFTREECODE (RETURN_INIT, "return_init", "e", 2)
141 DEFTREECODE (TRY_BLOCK, "try_stmt", "e", 2)
142 DEFTREECODE (HANDLER, "catch_stmt", "e", 2)
144 DEFTREECODE (IDENTITY_CONV, "identity_conv", "e", 1)
145 DEFTREECODE (LVALUE_CONV, "lvalue_conv", "e", 1)
146 DEFTREECODE (QUAL_CONV, "qual_conv", "e", 1)
147 DEFTREECODE (STD_CONV, "std_conv", "e", 1)
148 DEFTREECODE (PTR_CONV, "ptr_conv", "e", 1)
149 DEFTREECODE (PMEM_CONV, "pmem_conv", "e", 1)
150 DEFTREECODE (BASE_CONV, "base_conv", "e", 1)
151 DEFTREECODE (REF_BIND, "ref_bind", "e", 1)
152 DEFTREECODE (USER_CONV, "user_conv", "e", 4)
153 DEFTREECODE (AMBIG_CONV, "ambig_conv", "e", 1)
154 DEFTREECODE (RVALUE_CONV, "rvalue_conv", "e", 1)
156 DEFTREECODE (TAG_DEFN, "tag_defn", "e", 0)