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8d08fdba MS |
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 | ||
7 | This file is part of GNU CC. | |
8 | ||
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) | |
12 | any later version. | |
13 | ||
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. | |
18 | ||
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 | |
e9fa0c7c | 21 | the Free Software Foundation, 59 Temple Place - Suite 330, |
9efb75d6 | 22 | Boston, MA 02111-1307, USA. */ |
8d08fdba MS |
23 | |
24 | ||
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. */ | |
a0128b67 | 30 | DEFTREECODE (OFFSET_REF, "offset_ref", "r", 2) |
8d08fdba MS |
31 | |
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) | |
a28e3c7f | 36 | DEFTREECODE (VEC_DELETE_EXPR, "vec_dl_expr", "e", 2) |
8d08fdba MS |
37 | |
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) | |
43 | ||
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) | |
48 | ||
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) | |
52 | ||
a0128b67 | 53 | /* For NEW_EXPR, operand 0 is function which performs initialization, |
8d08fdba MS |
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) | |
a28e3c7f | 57 | DEFTREECODE (VEC_NEW_EXPR, "vec_nw_expr", "e", 3) |
8d08fdba | 58 | |
8d2733ca MS |
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) | |
8d08fdba | 62 | |
a80e4195 MS |
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) | |
67 | ||
8d08fdba MS |
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 | |
70 | accessing this data. | |
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 | |
75 | For class template: | |
76 | DECL_INITIAL associated templates (methods &c) | |
77 | DECL_RESULT null | |
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) | |
82 | */ | |
83 | DEFTREECODE (TEMPLATE_DECL, "template_decl", "d", 0) | |
84 | ||
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) | |
88 | ||
5566b478 MS |
89 | /* A type designated by 'typename T::t'. */ |
90 | DEFTREECODE (TYPENAME_TYPE, "typename_type", "t", 0) | |
91 | ||
8d08fdba MS |
92 | /* Index into a template parameter list. This parameter must not be a |
93 | type. */ | |
98c1c668 | 94 | DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", "c", 3) |
8d08fdba | 95 | |
8926095f MS |
96 | /* A thunk is a stub function. |
97 | ||
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). | |
102 | ||
103 | Other kinds of thunks may be defined later. */ | |
104 | DEFTREECODE (THUNK_DECL, "thunk_decl", "d", 0) | |
a9aedbc2 MS |
105 | |
106 | /* A namespace declaration. */ | |
107 | DEFTREECODE (NAMESPACE_DECL, "namespace_decl", "d", 0) | |
cffa8729 MS |
108 | |
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) | |
5566b478 | 112 | |
42976354 BK |
113 | /* An un-parsed default argument. Looks like an IDENTIFIER_NODE. */ |
114 | DEFTREECODE (DEFAULT_ARG, "default_arg", "c", 2) | |
115 | ||
116 | /* A whole bunch of tree codes for the initial, superficial parsing of | |
117 | templates. */ | |
5566b478 MS |
118 | DEFTREECODE (LOOKUP_EXPR, "lookup_expr", "e", 2) |
119 | DEFTREECODE (MODOP_EXPR, "modop_expr", "e", 3) | |
ec255269 MS |
120 | DEFTREECODE (CAST_EXPR, "cast_expr", "1", 1) |
121 | DEFTREECODE (REINTERPRET_CAST_EXPR, "reinterpret_cast_expr", "1", 1) | |
54705743 MS |
122 | DEFTREECODE (CONST_CAST_EXPR, "const_cast_expr", "1", 1) |
123 | DEFTREECODE (STATIC_CAST_EXPR, "static_cast_expr", "1", 1) | |
124 | DEFTREECODE (DYNAMIC_CAST_EXPR, "dynamic_cast_expr", "1", 1) | |
ec255269 | 125 | DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", "1", 1) |
5566b478 MS |
126 | DEFTREECODE (ARROW_EXPR, "arrow_expr", "e", 1) |
127 | DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", "e", 2) | |
5156628f | 128 | DEFTREECODE (TYPEID_EXPR, "typeid_expr", "e", 1) |
5566b478 MS |
129 | |
130 | DEFTREECODE (EXPR_STMT, "expr_stmt", "e", 1) | |
131 | DEFTREECODE (COMPOUND_STMT, "compound_stmt", "e", 1) | |
c11b6f21 | 132 | DEFTREECODE (DECL_STMT, "decl_stmt", "e", 3) |
5566b478 MS |
133 | DEFTREECODE (IF_STMT, "if_stmt", "e", 3) |
134 | DEFTREECODE (FOR_STMT, "for_stmt", "e", 4) | |
135 | DEFTREECODE (WHILE_STMT, "while_stmt", "e", 2) | |
136 | DEFTREECODE (DO_STMT, "do_stmt", "e", 2) | |
137 | DEFTREECODE (RETURN_STMT, "return_stmt", "e", 1) | |
138 | DEFTREECODE (BREAK_STMT, "break_stmt", "e", 0) | |
139 | DEFTREECODE (CONTINUE_STMT, "continue_stmt", "e", 0) | |
140 | DEFTREECODE (SWITCH_STMT, "switch_stmt", "e", 2) | |
141 | DEFTREECODE (GOTO_STMT, "goto_stmt", "e", 1) | |
142 | ||
143 | DEFTREECODE (CTOR_INITIALIZER, "ctor_initializer", "e", 2) | |
144 | DEFTREECODE (CASE_LABEL, "case_label", "e", 2) | |
e76a2646 | 145 | DEFTREECODE (RETURN_INIT, "return_init", "e", 2) |
faf5394a MS |
146 | DEFTREECODE (TRY_BLOCK, "try_stmt", "e", 2) |
147 | DEFTREECODE (HANDLER, "catch_stmt", "e", 2) | |
54705743 | 148 | |
6467930b | 149 | DEFTREECODE (IDENTITY_CONV, "identity_conv", "e", 1) |
54705743 MS |
150 | DEFTREECODE (LVALUE_CONV, "lvalue_conv", "e", 1) |
151 | DEFTREECODE (QUAL_CONV, "qual_conv", "e", 1) | |
152 | DEFTREECODE (STD_CONV, "std_conv", "e", 1) | |
153 | DEFTREECODE (PTR_CONV, "ptr_conv", "e", 1) | |
154 | DEFTREECODE (PMEM_CONV, "pmem_conv", "e", 1) | |
155 | DEFTREECODE (BASE_CONV, "base_conv", "e", 1) | |
156 | DEFTREECODE (REF_BIND, "ref_bind", "e", 1) | |
157 | DEFTREECODE (USER_CONV, "user_conv", "e", 4) | |
594740f3 | 158 | DEFTREECODE (AMBIG_CONV, "ambig_conv", "e", 1) |
6467930b | 159 | DEFTREECODE (RVALUE_CONV, "rvalue_conv", "e", 1) |
b87692e5 MS |
160 | |
161 | DEFTREECODE (TAG_DEFN, "tag_defn", "e", 0) |