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comparison gcc/cp/operators.def @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
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111:04ced10e8804 131:84e7813d76e9
3 This file contains definitions of the various C++ operators, 3 This file contains definitions of the various C++ operators,
4 including both overloadable operators (like `+') and 4 including both overloadable operators (like `+') and
5 non-overloadable operators (like the `?:' ternary operator). 5 non-overloadable operators (like the `?:' ternary operator).
6 Written by Mark Mitchell <mark@codesourcery.com> 6 Written by Mark Mitchell <mark@codesourcery.com>
7 7
8 Copyright (C) 2000-2017 Free Software Foundation, Inc. 8 Copyright (C) 2000-2018 Free Software Foundation, Inc.
9 9
10 This file is part of GCC. 10 This file is part of GCC.
11 11
12 GCC is free software; you can redistribute it and/or modify 12 GCC is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by 13 it under the terms of the GNU General Public License as published by
43 43
44 The mangling prefix for the operator, as a C string, and as 44 The mangling prefix for the operator, as a C string, and as
45 mangled under the new ABI. For `operator +', for example, this 45 mangled under the new ABI. For `operator +', for example, this
46 would be "pl". 46 would be "pl".
47 47
48 ARITY 48 FLAGS
49 49
50 The arity of the operator, or -1 if any arity is allowed. (As 50 ovl_op_flags bits. Postincrement and postdecrement operators are
51 for `operator ()'.) Postincrement and postdecrement operators 51 marked as binary.
52 are marked as binary.
53
54 ASSN_P
55
56 A boolean value. If nonzero, this is an assignment operator.
57 52
58 Before including this file, you should define DEF_OPERATOR 53 Before including this file, you should define DEF_OPERATOR
59 to take these arguments. 54 to take these arguments.
60 55
61 There is code (such as in grok_op_properties) that depends on the 56 There is code (such as in grok_op_properties) that depends on the
62 order the operators are presented in this file. In particular, 57 order the operators are presented in this file. Unary_ops must
63 unary operators must precede binary operators. */ 58 preceed a matching binary op (i.e. '+'). Assignment operators must
64 59 be last, after OPERATOR_TRANSITION. */
65 /* Use DEF_SIMPLE_OPERATOR to define a non-assignment operator. Its
66 arguments are as for DEF_OPERATOR, but there is no need to provide
67 an ASSIGNMENT_P argument; it is always zero. */
68
69 #define DEF_SIMPLE_OPERATOR(NAME, CODE, MANGLING, ARITY) \
70 DEF_OPERATOR(NAME, CODE, MANGLING, ARITY, cik_simple_op)
71 60
72 /* Use DEF_ASSN_OPERATOR to define an assignment operator. Its 61 /* Use DEF_ASSN_OPERATOR to define an assignment operator. Its
73 arguments are as for DEF_OPERATOR, but there is no need to provide 62 arguments are as for DEF_OPERATOR, but there is no need to provide
74 an ASSIGNMENT_P argument; it is always one. */ 63 FLAGS (OVL_OP_FLAG_BINARY). */
75 64
76 #define DEF_ASSN_OPERATOR(NAME, CODE, MANGLING, ARITY) \ 65 #ifndef DEF_ASSN_OPERATOR
77 DEF_OPERATOR(NAME, CODE, MANGLING, ARITY, cik_assign_op) 66 #define DEF_ASSN_OPERATOR(NAME, CODE, MANGLING) \
67 DEF_OPERATOR(NAME, CODE, MANGLING, OVL_OP_FLAG_BINARY)
68 #endif
78 69
79 /* Memory allocation operators. */ 70 /* Memory allocation operators. ARITY has special meaning. */
80 DEF_OPERATOR ("new", NEW_EXPR, "nw", -1, cik_newdel_op) 71 DEF_OPERATOR ("new", NEW_EXPR, "nw", OVL_OP_FLAG_ALLOC)
81 DEF_OPERATOR ("new []", VEC_NEW_EXPR, "na", -1, cik_newdel_op) 72 DEF_OPERATOR ("new []", VEC_NEW_EXPR, "na",
82 DEF_OPERATOR ("delete", DELETE_EXPR, "dl", -1, cik_newdel_op) 73 OVL_OP_FLAG_ALLOC | OVL_OP_FLAG_VEC)
83 DEF_OPERATOR ("delete []", VEC_DELETE_EXPR, "da", -1, cik_newdel_op) 74 DEF_OPERATOR ("delete", DELETE_EXPR, "dl",
75 OVL_OP_FLAG_ALLOC | OVL_OP_FLAG_DELETE)
76 DEF_OPERATOR ("delete []", VEC_DELETE_EXPR, "da",
77 OVL_OP_FLAG_ALLOC | OVL_OP_FLAG_DELETE | OVL_OP_FLAG_VEC)
84 78
85 /* Unary operators. */ 79 /* Unary operators. */
86 DEF_SIMPLE_OPERATOR ("+", UNARY_PLUS_EXPR, "ps", 1) 80 DEF_OPERATOR ("+", UNARY_PLUS_EXPR, "ps", OVL_OP_FLAG_UNARY)
87 DEF_SIMPLE_OPERATOR ("-", NEGATE_EXPR, "ng", 1) 81 DEF_OPERATOR ("-", NEGATE_EXPR, "ng", OVL_OP_FLAG_UNARY)
88 DEF_SIMPLE_OPERATOR ("&", ADDR_EXPR, "ad", 1) 82 DEF_OPERATOR ("&", ADDR_EXPR, "ad", OVL_OP_FLAG_UNARY)
89 DEF_SIMPLE_OPERATOR ("*", INDIRECT_REF, "de", 1) 83 DEF_OPERATOR ("*", INDIRECT_REF, "de", OVL_OP_FLAG_UNARY)
90 DEF_SIMPLE_OPERATOR ("~", BIT_NOT_EXPR, "co", 1) 84 DEF_OPERATOR ("~", BIT_NOT_EXPR, "co", OVL_OP_FLAG_UNARY)
91 DEF_SIMPLE_OPERATOR ("!", TRUTH_NOT_EXPR, "nt", 1) 85 DEF_OPERATOR ("!", TRUTH_NOT_EXPR, "nt", OVL_OP_FLAG_UNARY)
92 DEF_SIMPLE_OPERATOR ("++", PREINCREMENT_EXPR, "pp", 1) 86 DEF_OPERATOR ("++", PREINCREMENT_EXPR, "pp", OVL_OP_FLAG_UNARY)
93 DEF_SIMPLE_OPERATOR ("--", PREDECREMENT_EXPR, "mm", 1) 87 DEF_OPERATOR ("--", PREDECREMENT_EXPR, "mm", OVL_OP_FLAG_UNARY)
94 DEF_SIMPLE_OPERATOR ("sizeof", SIZEOF_EXPR, "sz", 1) 88 DEF_OPERATOR ("->", COMPONENT_REF, "pt", OVL_OP_FLAG_UNARY)
89 DEF_OPERATOR ("sizeof", SIZEOF_EXPR, "sz", OVL_OP_FLAG_UNARY)
90
95 /* These are extensions. */ 91 /* These are extensions. */
96 DEF_SIMPLE_OPERATOR ("alignof", ALIGNOF_EXPR, "az", 1) 92 DEF_OPERATOR ("alignof", ALIGNOF_EXPR, "az", OVL_OP_FLAG_UNARY)
97 DEF_SIMPLE_OPERATOR ("__imag__", IMAGPART_EXPR, "v18__imag__", 1) 93 DEF_OPERATOR ("__imag__", IMAGPART_EXPR, "v18__imag__", OVL_OP_FLAG_UNARY)
98 DEF_SIMPLE_OPERATOR ("__real__", REALPART_EXPR, "v18__real__", 1) 94 DEF_OPERATOR ("__real__", REALPART_EXPR, "v18__real__", OVL_OP_FLAG_UNARY)
99
100 /* The cast operators. */
101 DEF_SIMPLE_OPERATOR ("", CAST_EXPR, "cv", 1)
102 DEF_SIMPLE_OPERATOR ("dynamic_cast", DYNAMIC_CAST_EXPR, "dc", 1)
103 DEF_SIMPLE_OPERATOR ("reinterpret_cast", REINTERPRET_CAST_EXPR, "rc", 1)
104 DEF_SIMPLE_OPERATOR ("const_cast", CONST_CAST_EXPR, "cc", 1)
105 DEF_SIMPLE_OPERATOR ("static_cast", STATIC_CAST_EXPR, "sc", 1)
106 95
107 /* Binary operators. */ 96 /* Binary operators. */
108 DEF_SIMPLE_OPERATOR ("+", PLUS_EXPR, "pl", 2) 97 DEF_OPERATOR ("+", PLUS_EXPR, "pl", OVL_OP_FLAG_BINARY)
109 DEF_SIMPLE_OPERATOR ("-", MINUS_EXPR, "mi", 2) 98 DEF_OPERATOR ("-", MINUS_EXPR, "mi", OVL_OP_FLAG_BINARY)
110 DEF_SIMPLE_OPERATOR ("*", MULT_EXPR, "ml", 2) 99 DEF_OPERATOR ("*", MULT_EXPR, "ml", OVL_OP_FLAG_BINARY)
111 DEF_SIMPLE_OPERATOR ("/", TRUNC_DIV_EXPR, "dv", 2) 100 DEF_OPERATOR ("/", TRUNC_DIV_EXPR, "dv", OVL_OP_FLAG_BINARY)
112 DEF_SIMPLE_OPERATOR ("%", TRUNC_MOD_EXPR, "rm", 2) 101 DEF_OPERATOR ("%", TRUNC_MOD_EXPR, "rm", OVL_OP_FLAG_BINARY)
113 DEF_SIMPLE_OPERATOR ("&", BIT_AND_EXPR, "an", 2) 102 DEF_OPERATOR ("&", BIT_AND_EXPR, "an", OVL_OP_FLAG_BINARY)
114 DEF_SIMPLE_OPERATOR ("|", BIT_IOR_EXPR, "or", 2) 103 DEF_OPERATOR ("|", BIT_IOR_EXPR, "or", OVL_OP_FLAG_BINARY)
115 DEF_SIMPLE_OPERATOR ("^", BIT_XOR_EXPR, "eo", 2) 104 DEF_OPERATOR ("^", BIT_XOR_EXPR, "eo", OVL_OP_FLAG_BINARY)
116 DEF_SIMPLE_OPERATOR ("<<", LSHIFT_EXPR, "ls", 2) 105 DEF_OPERATOR ("<<", LSHIFT_EXPR, "ls", OVL_OP_FLAG_BINARY)
117 DEF_SIMPLE_OPERATOR (">>", RSHIFT_EXPR, "rs", 2) 106 DEF_OPERATOR (">>", RSHIFT_EXPR, "rs", OVL_OP_FLAG_BINARY)
118 DEF_SIMPLE_OPERATOR ("==", EQ_EXPR, "eq", 2) 107 DEF_OPERATOR ("==", EQ_EXPR, "eq", OVL_OP_FLAG_BINARY)
119 DEF_SIMPLE_OPERATOR ("!=", NE_EXPR, "ne", 2) 108 DEF_OPERATOR ("!=", NE_EXPR, "ne", OVL_OP_FLAG_BINARY)
120 DEF_SIMPLE_OPERATOR ("<", LT_EXPR, "lt", 2) 109 DEF_OPERATOR ("<", LT_EXPR, "lt", OVL_OP_FLAG_BINARY)
121 DEF_SIMPLE_OPERATOR (">", GT_EXPR, "gt", 2) 110 DEF_OPERATOR (">", GT_EXPR, "gt", OVL_OP_FLAG_BINARY)
122 DEF_SIMPLE_OPERATOR ("<=", LE_EXPR, "le", 2) 111 DEF_OPERATOR ("<=", LE_EXPR, "le", OVL_OP_FLAG_BINARY)
123 DEF_SIMPLE_OPERATOR (">=", GE_EXPR, "ge", 2) 112 DEF_OPERATOR (">=", GE_EXPR, "ge", OVL_OP_FLAG_BINARY)
124 DEF_SIMPLE_OPERATOR ("&&", TRUTH_ANDIF_EXPR, "aa", 2) 113 DEF_OPERATOR ("&&", TRUTH_ANDIF_EXPR, "aa", OVL_OP_FLAG_BINARY)
125 DEF_SIMPLE_OPERATOR ("||", TRUTH_ORIF_EXPR, "oo", 2) 114 DEF_OPERATOR ("||", TRUTH_ORIF_EXPR, "oo", OVL_OP_FLAG_BINARY)
126 DEF_SIMPLE_OPERATOR (",", COMPOUND_EXPR, "cm", 2) 115 DEF_OPERATOR (",", COMPOUND_EXPR, "cm", OVL_OP_FLAG_BINARY)
127 DEF_SIMPLE_OPERATOR ("->*", MEMBER_REF, "pm", 2) 116 DEF_OPERATOR ("->*", MEMBER_REF, "pm", OVL_OP_FLAG_BINARY)
128 DEF_SIMPLE_OPERATOR (".*", DOTSTAR_EXPR, "ds", 2) 117 DEF_OPERATOR (".*", DOTSTAR_EXPR, "ds", OVL_OP_FLAG_BINARY)
129 DEF_SIMPLE_OPERATOR ("->", COMPONENT_REF, "pt", 2) 118 DEF_OPERATOR ("[]", ARRAY_REF, "ix", OVL_OP_FLAG_BINARY)
130 DEF_SIMPLE_OPERATOR ("[]", ARRAY_REF, "ix", 2) 119 DEF_OPERATOR ("++", POSTINCREMENT_EXPR, "pp", OVL_OP_FLAG_BINARY)
131 DEF_SIMPLE_OPERATOR ("++", POSTINCREMENT_EXPR, "pp", 2) 120 DEF_OPERATOR ("--", POSTDECREMENT_EXPR, "mm", OVL_OP_FLAG_BINARY)
132 DEF_SIMPLE_OPERATOR ("--", POSTDECREMENT_EXPR, "mm", 2) 121
133 /* This one is needed for mangling. */ 122 /* Miscellaneous. */
134 DEF_SIMPLE_OPERATOR ("::", SCOPE_REF, "sr", 2) 123 DEF_OPERATOR ("?:", COND_EXPR, "qu", OVL_OP_FLAG_NONE)
124 DEF_OPERATOR ("()", CALL_EXPR, "cl", OVL_OP_FLAG_NONE)
125
126 /* Operators needed for mangling. */
127 DEF_OPERATOR (NULL, CAST_EXPR, "cv", OVL_OP_FLAG_UNARY)
128 DEF_OPERATOR (NULL, DYNAMIC_CAST_EXPR, "dc", OVL_OP_FLAG_UNARY)
129 DEF_OPERATOR (NULL, REINTERPRET_CAST_EXPR, "rc", OVL_OP_FLAG_UNARY)
130 DEF_OPERATOR (NULL, CONST_CAST_EXPR, "cc", OVL_OP_FLAG_UNARY)
131 DEF_OPERATOR (NULL, STATIC_CAST_EXPR, "sc", OVL_OP_FLAG_UNARY)
132 DEF_OPERATOR (NULL, SCOPE_REF, "sr", OVL_OP_FLAG_NONE)
133 DEF_OPERATOR (NULL, EXPR_PACK_EXPANSION, "sp", OVL_OP_FLAG_NONE)
134 DEF_OPERATOR (NULL, UNARY_LEFT_FOLD_EXPR, "fl", OVL_OP_FLAG_NONE)
135 DEF_OPERATOR (NULL, UNARY_RIGHT_FOLD_EXPR, "fr", OVL_OP_FLAG_NONE)
136 DEF_OPERATOR (NULL, BINARY_LEFT_FOLD_EXPR, "fL", OVL_OP_FLAG_NONE)
137 DEF_OPERATOR (NULL, BINARY_RIGHT_FOLD_EXPR, "fR", OVL_OP_FLAG_NONE)
138
139 #ifdef OPERATOR_TRANSITION
140 OPERATOR_TRANSITION
141 #undef OPERATOR_TRANSITION
142 #endif
135 143
136 /* Assignment operators. */ 144 /* Assignment operators. */
137 DEF_ASSN_OPERATOR ("=", NOP_EXPR, "aS", 2) 145 DEF_ASSN_OPERATOR ("=", NOP_EXPR, "aS")
138 DEF_ASSN_OPERATOR ("+=", PLUS_EXPR, "pL", 2) 146 DEF_ASSN_OPERATOR ("+=", PLUS_EXPR, "pL")
139 DEF_ASSN_OPERATOR ("-=", MINUS_EXPR, "mI", 2) 147 DEF_ASSN_OPERATOR ("-=", MINUS_EXPR, "mI")
140 DEF_ASSN_OPERATOR ("*=", MULT_EXPR, "mL", 2) 148 DEF_ASSN_OPERATOR ("*=", MULT_EXPR, "mL")
141 DEF_ASSN_OPERATOR ("/=", TRUNC_DIV_EXPR, "dV", 2) 149 DEF_ASSN_OPERATOR ("/=", TRUNC_DIV_EXPR, "dV")
142 DEF_ASSN_OPERATOR ("%=", TRUNC_MOD_EXPR, "rM", 2) 150 DEF_ASSN_OPERATOR ("%=", TRUNC_MOD_EXPR, "rM")
143 DEF_ASSN_OPERATOR ("&=", BIT_AND_EXPR, "aN", 2) 151 DEF_ASSN_OPERATOR ("&=", BIT_AND_EXPR, "aN")
144 DEF_ASSN_OPERATOR ("|=", BIT_IOR_EXPR, "oR", 2) 152 DEF_ASSN_OPERATOR ("|=", BIT_IOR_EXPR, "oR")
145 DEF_ASSN_OPERATOR ("^=", BIT_XOR_EXPR, "eO", 2) 153 DEF_ASSN_OPERATOR ("^=", BIT_XOR_EXPR, "eO")
146 DEF_ASSN_OPERATOR ("<<=", LSHIFT_EXPR, "lS", 2) 154 DEF_ASSN_OPERATOR ("<<=", LSHIFT_EXPR, "lS")
147 DEF_ASSN_OPERATOR (">>=", RSHIFT_EXPR, "rS", 2) 155 DEF_ASSN_OPERATOR (">>=", RSHIFT_EXPR, "rS")
148 156
149 /* Ternary operators. */ 157 #undef DEF_ASSN_OPERATOR
150 DEF_SIMPLE_OPERATOR ("?:", COND_EXPR, "qu", 3) 158 #undef DEF_OPERATOR
151
152 /* Miscellaneous. */
153 DEF_SIMPLE_OPERATOR ("()", CALL_EXPR, "cl", -1)
154
155 /* Variadic templates extension. */
156 DEF_SIMPLE_OPERATOR ("...", EXPR_PACK_EXPANSION, "sp", 1)
157 DEF_SIMPLE_OPERATOR ("... +", UNARY_LEFT_FOLD_EXPR, "fl", 2)
158 DEF_SIMPLE_OPERATOR ("+ ...", UNARY_RIGHT_FOLD_EXPR, "fr", 2)
159 DEF_SIMPLE_OPERATOR ("+ ... +", BINARY_LEFT_FOLD_EXPR, "fL", 3)
160 DEF_SIMPLE_OPERATOR ("+ ... +", BINARY_RIGHT_FOLD_EXPR, "fR", 3)