1 //===--- OperatorPrecedence.cpp ---------------------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
10 /// Defines and computes precedence levels for binary/ternary operators.
12 //===----------------------------------------------------------------------===//
13 #include "clang/Basic/OperatorPrecedence.h"
17 prec::Level getBinOpPrecedence(tok::TokenKind Kind, bool GreaterThanIsOperator,
21 // C++ [temp.names]p3:
22 // [...] When parsing a template-argument-list, the first
23 // non-nested > is taken as the ending delimiter rather than a
24 // greater-than operator. [...]
25 if (GreaterThanIsOperator)
26 return prec::Relational;
29 case tok::greatergreater:
30 // C++11 [temp.names]p3:
32 // [...] Similarly, the first non-nested >> is treated as two
33 // consecutive but distinct > tokens, the first of which is
34 // taken as the end of the template-argument-list and completes
35 // the template-id. [...]
36 if (GreaterThanIsOperator || !CPlusPlus11)
40 default: return prec::Unknown;
41 case tok::comma: return prec::Comma;
45 case tok::percentequal:
48 case tok::lesslessequal:
49 case tok::greatergreaterequal:
52 case tok::pipeequal: return prec::Assignment;
53 case tok::question: return prec::Conditional;
54 case tok::pipepipe: return prec::LogicalOr;
56 case tok::ampamp: return prec::LogicalAnd;
57 case tok::pipe: return prec::InclusiveOr;
58 case tok::caret: return prec::ExclusiveOr;
59 case tok::amp: return prec::And;
60 case tok::exclaimequal:
61 case tok::equalequal: return prec::Equality;
64 case tok::greaterequal: return prec::Relational;
65 case tok::spaceship: return prec::Spaceship;
66 case tok::lessless: return prec::Shift;
68 case tok::minus: return prec::Additive;
71 case tok::star: return prec::Multiplicative;
73 case tok::arrowstar: return prec::PointerToMember;