operators.def revision 102780
1/* -*-C-*-
2	
3   This file contains definitions of the various C++ operators,
4   including both overloadable operators (like `+') and
5   non-overloadable operators (like the `?:' ternary operator).  
6   Writtey by Mark Mitchell <mark@codesourcery.com>
7
8   Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
9
10This file is part of GNU CC.
11
12GNU CC is free software; you can redistribute it and/or modify
13it under the terms of the GNU General Public License as published by
14the Free Software Foundation; either version 2, or (at your option)
15any later version.
16
17GNU CC is distributed in the hope that it will be useful,
18but WITHOUT ANY WARRANTY; without even the implied warranty of
19MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20GNU General Public License for more details.
21
22You should have received a copy of the GNU General Public License
23along with GNU CC; see the file COPYING.  If not, write to
24the Free Software Foundation, 59 Temple Place - Suite 330,
25Boston, MA 02111-1307, USA.  */
26
27/* The DEF_OPERATOR macro takes the following arguments:
28
29   NAME
30
31     The name of the operator, as a C string, but without the
32     preceding `operator'.  This is the name that would be given in
33     the source program.  For `operator +', for example, this would be
34     `+'.
35   
36   CODE
37
38     The tree_code for this operator.  For `operator +', for example,
39     this would be PLUS_EXPR.  Because there are no tree codes for
40     assignment operators, the same tree-codes are reused; i.e.,
41     `operator +' will also have PLUS_EXPR as its CODE.
42
43   NEW_MANGLING
44
45     The mangling prefix for the operator, as a C string, and as
46     mangled under the new ABI.  For `operator +', for example, this
47     would be "pl".
48
49   ARITY
50   
51     The arity of the operator, or -1 if any arity is allowed.  (As
52     for `operator ()'.)  Postincrement and postdecrement operators
53     are marked as binary.
54
55   ASSN_P
56
57     A boolean value.  If non-zero, this is an assignment operator.  
58
59   Before including this file, you should define DEFOPERATOR
60   to take these arguments.  
61
62   There is code (such as in grok_op_properties) that depends on the
63   order the operators are presented in this file.  In particular,
64   unary operators must precede binary operators.  */
65 
66/* Use DEF_SIMPLE_OPERATOR to define a non-assignment operator.  Its
67   arguments are as for DEF_OPERATOR, but there is no need to provide
68   an ASSIGNMENT_P argument; it is always zero.  */
69
70#define DEF_SIMPLE_OPERATOR(NAME, CODE, MANGLING, ARITY) \
71  DEF_OPERATOR(NAME, CODE, MANGLING, ARITY, 0)
72
73/* Use DEF_ASSN_OPERATOR to define an assignment operator.  Its
74   arguments are as for DEF_OPERATOR, but there is no need to provide
75   an ASSIGNMENT_P argument; it is always one.  */
76
77#define DEF_ASSN_OPERATOR(NAME, CODE, MANGLING, ARITY) \
78  DEF_OPERATOR(NAME, CODE, MANGLING, ARITY, 1)
79
80/* Memory allocation operators.  */
81DEF_SIMPLE_OPERATOR ("new", NEW_EXPR, "nw", -1)
82DEF_SIMPLE_OPERATOR ("new []", VEC_NEW_EXPR, "na", -1)
83DEF_SIMPLE_OPERATOR ("delete", DELETE_EXPR, "dl", -1)
84DEF_SIMPLE_OPERATOR ("delete []", VEC_DELETE_EXPR, "da", -1)
85
86/* Unary operators.  */
87DEF_SIMPLE_OPERATOR ("+", CONVERT_EXPR, "ps", 1)
88DEF_SIMPLE_OPERATOR ("-", NEGATE_EXPR, "ng", 1)
89DEF_SIMPLE_OPERATOR ("&", ADDR_EXPR, "ad", 1)
90DEF_SIMPLE_OPERATOR ("*", INDIRECT_REF, "de", 1)
91DEF_SIMPLE_OPERATOR ("~", BIT_NOT_EXPR, "co", 1)
92DEF_SIMPLE_OPERATOR ("!", TRUTH_NOT_EXPR, "nt", 1)
93DEF_SIMPLE_OPERATOR ("++", PREINCREMENT_EXPR, "pp", 1)
94DEF_SIMPLE_OPERATOR ("--", PREDECREMENT_EXPR, "mm", 1)
95DEF_SIMPLE_OPERATOR ("sizeof", SIZEOF_EXPR, "sz", 1)
96/* This is an extension.  */
97DEF_SIMPLE_OPERATOR ("alignof", ALIGNOF_EXPR, "v17alignof", 1)
98
99/* The cast operator.  */
100DEF_SIMPLE_OPERATOR ("", TYPE_EXPR, "cv", 1)
101DEF_SIMPLE_OPERATOR ("", CAST_EXPR, "cv", 1)
102DEF_SIMPLE_OPERATOR ("", CONST_CAST_EXPR, "cv", 1)
103DEF_SIMPLE_OPERATOR ("", STATIC_CAST_EXPR, "cv", 1)
104
105/* Binary operators.  */
106DEF_SIMPLE_OPERATOR ("+", PLUS_EXPR, "pl", 2)
107DEF_SIMPLE_OPERATOR ("-", MINUS_EXPR, "mi", 2)
108DEF_SIMPLE_OPERATOR ("*", MULT_EXPR, "ml", 2)
109DEF_SIMPLE_OPERATOR ("/", TRUNC_DIV_EXPR, "dv", 2)
110DEF_SIMPLE_OPERATOR ("%", TRUNC_MOD_EXPR, "rm", 2)
111DEF_SIMPLE_OPERATOR ("&", BIT_AND_EXPR, "an", 2)
112DEF_SIMPLE_OPERATOR ("|", BIT_IOR_EXPR, "or", 2)
113DEF_SIMPLE_OPERATOR ("^", BIT_XOR_EXPR, "eo", 2)
114DEF_SIMPLE_OPERATOR ("<<", LSHIFT_EXPR, "ls", 2)
115DEF_SIMPLE_OPERATOR (">>", RSHIFT_EXPR, "rs", 2)
116DEF_SIMPLE_OPERATOR ("==", EQ_EXPR, "eq", 2)
117DEF_SIMPLE_OPERATOR ("!=", NE_EXPR, "ne", 2)
118DEF_SIMPLE_OPERATOR ("<", LT_EXPR, "lt", 2)
119DEF_SIMPLE_OPERATOR (">", GT_EXPR, "gt", 2)
120DEF_SIMPLE_OPERATOR ("<=", LE_EXPR, "le", 2)
121DEF_SIMPLE_OPERATOR (">=", GE_EXPR, "ge", 2)
122DEF_SIMPLE_OPERATOR ("&&", TRUTH_ANDIF_EXPR, "aa", 2)
123DEF_SIMPLE_OPERATOR ("||", TRUTH_ORIF_EXPR, "oo", 2)
124DEF_SIMPLE_OPERATOR (",", COMPOUND_EXPR, "cm", 2)
125DEF_SIMPLE_OPERATOR ("->*", MEMBER_REF, "pm", 2)
126DEF_SIMPLE_OPERATOR ("->", COMPONENT_REF, "pt", 2)
127DEF_SIMPLE_OPERATOR ("[]", ARRAY_REF, "ix", 2)
128DEF_SIMPLE_OPERATOR ("++", POSTINCREMENT_EXPR, "pp", 2)
129DEF_SIMPLE_OPERATOR ("--", POSTDECREMENT_EXPR, "mm", 2)
130/* These are extensions.  */
131DEF_SIMPLE_OPERATOR ("<?", MIN_EXPR, "v23min", 2)
132DEF_SIMPLE_OPERATOR (">?", MAX_EXPR, "v23max", 2)
133/* This one is needed for mangling.  */
134DEF_SIMPLE_OPERATOR ("::", SCOPE_REF, "sr", 2);
135
136/* Assignment operators.  */
137DEF_ASSN_OPERATOR ("=", NOP_EXPR, "aS", 2)
138DEF_ASSN_OPERATOR ("+=", PLUS_EXPR, "pL", 2)
139DEF_ASSN_OPERATOR ("-=", MINUS_EXPR, "mI", 2)
140DEF_ASSN_OPERATOR ("*=", MULT_EXPR, "mL", 2)
141DEF_ASSN_OPERATOR ("/=", TRUNC_DIV_EXPR, "dV", 2)
142DEF_ASSN_OPERATOR ("%=", TRUNC_MOD_EXPR, "rM", 2)
143DEF_ASSN_OPERATOR ("&=", BIT_AND_EXPR, "aN", 2)
144DEF_ASSN_OPERATOR ("|=", BIT_IOR_EXPR, "oR", 2)
145DEF_ASSN_OPERATOR ("^=", BIT_XOR_EXPR, "eO", 2)
146DEF_ASSN_OPERATOR ("<<=", LSHIFT_EXPR, "lS", 2)
147DEF_ASSN_OPERATOR (">>=", RSHIFT_EXPR, "rS", 2)
148
149/* Ternary operators.  */
150DEF_SIMPLE_OPERATOR ("?:", COND_EXPR, "qu", 3)
151
152/* Miscellaneous.  */
153DEF_SIMPLE_OPERATOR ("()", CALL_EXPR, "cl", -1)
154