1249261Sdim//===--- OperatorPrecedence.h - Operator precedence levels ------*- C++ -*-===//
2249261Sdim//
3249261Sdim//                     The LLVM Compiler Infrastructure
4249261Sdim//
5249261Sdim// This file is distributed under the University of Illinois Open Source
6249261Sdim// License. See LICENSE.TXT for details.
7249261Sdim//
8249261Sdim//===----------------------------------------------------------------------===//
9249261Sdim///
10249261Sdim/// \file
11249261Sdim/// \brief Defines and computes precedence levels for binary/ternary operators.
12249261Sdim///
13249261Sdim//===----------------------------------------------------------------------===//
14249261Sdim
15249261Sdim#ifndef LLVM_CLANG_OPERATOR_PRECEDENCE_H
16249261Sdim#define LLVM_CLANG_OPERATOR_PRECEDENCE_H
17249261Sdim
18249261Sdim#include "clang/Basic/TokenKinds.h"
19249261Sdim
20249261Sdimnamespace clang {
21249261Sdim
22249261Sdim/// PrecedenceLevels - These are precedences for the binary/ternary
23249261Sdim/// operators in the C99 grammar.  These have been named to relate
24249261Sdim/// with the C99 grammar productions.  Low precedences numbers bind
25249261Sdim/// more weakly than high numbers.
26249261Sdimnamespace prec {
27249261Sdim  enum Level {
28249261Sdim    Unknown         = 0,    // Not binary operator.
29249261Sdim    Comma           = 1,    // ,
30249261Sdim    Assignment      = 2,    // =, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |=
31249261Sdim    Conditional     = 3,    // ?
32249261Sdim    LogicalOr       = 4,    // ||
33249261Sdim    LogicalAnd      = 5,    // &&
34249261Sdim    InclusiveOr     = 6,    // |
35249261Sdim    ExclusiveOr     = 7,    // ^
36249261Sdim    And             = 8,    // &
37249261Sdim    Equality        = 9,    // ==, !=
38249261Sdim    Relational      = 10,   //  >=, <=, >, <
39249261Sdim    Shift           = 11,   // <<, >>
40249261Sdim    Additive        = 12,   // -, +
41249261Sdim    Multiplicative  = 13,   // *, /, %
42249261Sdim    PointerToMember = 14    // .*, ->*
43249261Sdim  };
44249261Sdim}
45249261Sdim
46249261Sdim/// \brief Return the precedence of the specified binary operator token.
47249261Sdimprec::Level getBinOpPrecedence(tok::TokenKind Kind, bool GreaterThanIsOperator,
48249261Sdim                               bool CPlusPlus11);
49249261Sdim
50249261Sdim}  // end namespace clang
51249261Sdim
52249261Sdim#endif  // LLVM_CLANG_OPERATOR_PRECEDENCE_H
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