1 | //===--- OperatorKinds.h - C++ Overloaded Operators -------------*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | /// |
9 | /// \file |
10 | /// Defines an enumeration for C++ overloaded operators. |
11 | /// |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #ifndef LLVM_CLANG_BASIC_OPERATORKINDS_H |
15 | #define LLVM_CLANG_BASIC_OPERATORKINDS_H |
16 | |
17 | namespace clang { |
18 | |
19 | /// Enumeration specifying the different kinds of C++ overloaded |
20 | /// operators. |
21 | enum OverloadedOperatorKind : int { |
22 | OO_None, ///< Not an overloaded operator |
23 | #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ |
24 | OO_##Name, |
25 | #include "clang/Basic/OperatorKinds.def" |
26 | NUM_OVERLOADED_OPERATORS |
27 | }; |
28 | |
29 | /// Retrieve the spelling of the given overloaded operator, without |
30 | /// the preceding "operator" keyword. |
31 | const char *getOperatorSpelling(OverloadedOperatorKind Operator); |
32 | |
33 | /// Get the other overloaded operator that the given operator can be rewritten |
34 | /// into, if any such operator exists. |
35 | inline OverloadedOperatorKind |
36 | getRewrittenOverloadedOperator(OverloadedOperatorKind Kind) { |
37 | switch (Kind) { |
38 | case OO_Less: |
39 | case OO_LessEqual: |
40 | case OO_Greater: |
41 | case OO_GreaterEqual: |
42 | return OO_Spaceship; |
43 | |
44 | case OO_ExclaimEqual: |
45 | return OO_EqualEqual; |
46 | |
47 | default: |
48 | return OO_None; |
49 | } |
50 | } |
51 | |
52 | /// Determine if this is a compound assignment operator. |
53 | inline bool isCompoundAssignmentOperator(OverloadedOperatorKind Kind) { |
54 | return Kind >= OO_PlusEqual && Kind <= OO_PipeEqual; |
55 | } |
56 | |
57 | } // end namespace clang |
58 | |
59 | #endif |
60 | |