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//===--- OperatorPrecedence.h - Operator precedence levels ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief 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, // >=, <=, >, <
Shift = 11, // <<, >>
Additive = 12, // -, +
Multiplicative = 13, // *, /, %
PointerToMember = 14 // .*, ->*
};
}
/// \brief 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_OPERATOR_PRECEDENCE_H
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