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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
| /// 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_OPERATOR_PRECEDENCE_H
|
|
