123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 |
- #pragma once
- #ifdef __GNUC__
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wunused-parameter"
- #endif
- //===--- OperatorPrecedence.h - Operator precedence levels ------*- C++ -*-===//
- //
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
- // See https://llvm.org/LICENSE.txt for license information.
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- //
- //===----------------------------------------------------------------------===//
- ///
- /// \file
- /// Defines and computes precedence levels for binary/ternary operators.
- ///
- //===----------------------------------------------------------------------===//
- #ifndef LLVM_CLANG_BASIC_OPERATORPRECEDENCE_H
- #define LLVM_CLANG_BASIC_OPERATORPRECEDENCE_H
- #include "clang/Basic/TokenKinds.h"
- namespace clang {
- /// PrecedenceLevels - These are precedences for the binary/ternary
- /// operators in the C99 grammar. These have been named to relate
- /// with the C99 grammar productions. Low precedences numbers bind
- /// more weakly than high numbers.
- namespace prec {
- enum Level {
- Unknown = 0, // Not binary operator.
- Comma = 1, // ,
- Assignment = 2, // =, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=
- Conditional = 3, // ?
- LogicalOr = 4, // ||
- LogicalAnd = 5, // &&
- InclusiveOr = 6, // |
- ExclusiveOr = 7, // ^
- And = 8, // &
- Equality = 9, // ==, !=
- Relational = 10, // >=, <=, >, <
- Spaceship = 11, // <=>
- Shift = 12, // <<, >>
- Additive = 13, // -, +
- Multiplicative = 14, // *, /, %
- PointerToMember = 15 // .*, ->*
- };
- }
- /// Return the precedence of the specified binary operator token.
- prec::Level getBinOpPrecedence(tok::TokenKind Kind, bool GreaterThanIsOperator,
- bool CPlusPlus11);
- } // end namespace clang
- #endif // LLVM_CLANG_BASIC_OPERATORPRECEDENCE_H
- #ifdef __GNUC__
- #pragma GCC diagnostic pop
- #endif
|