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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--- OperatorPrecedence.h - Operator precedence levels ------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | /// |
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| 9 | /// \file |
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| 10 | /// Defines and computes precedence levels for binary/ternary operators. |
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| 11 | /// |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |||
| 14 | #ifndef LLVM_CLANG_BASIC_OPERATORPRECEDENCE_H |
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| 15 | #define LLVM_CLANG_BASIC_OPERATORPRECEDENCE_H |
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| 16 | |||
| 17 | #include "clang/Basic/TokenKinds.h" |
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| 18 | |||
| 19 | namespace clang { |
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| 20 | |||
| 21 | /// PrecedenceLevels - These are precedences for the binary/ternary |
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| 22 | /// operators in the C99 grammar. These have been named to relate |
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| 23 | /// with the C99 grammar productions. Low precedences numbers bind |
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| 24 | /// more weakly than high numbers. |
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| 25 | namespace prec { |
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| 26 | enum Level { |
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| 27 | Unknown = 0, // Not binary operator. |
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| 28 | Comma = 1, // , |
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| 29 | Assignment = 2, // =, *=, /=, %=, +=, -=, <<=, >>=, &=, ^=, |= |
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| 30 | Conditional = 3, // ? |
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| 31 | LogicalOr = 4, // || |
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| 32 | LogicalAnd = 5, // && |
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| 33 | InclusiveOr = 6, // | |
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| 34 | ExclusiveOr = 7, // ^ |
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| 35 | And = 8, // & |
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| 36 | Equality = 9, // ==, != |
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| 37 | Relational = 10, // >=, <=, >, < |
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| 38 | Spaceship = 11, // <=> |
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| 39 | Shift = 12, // <<, >> |
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| 40 | Additive = 13, // -, + |
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| 41 | Multiplicative = 14, // *, /, % |
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| 42 | PointerToMember = 15 // .*, ->* |
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| 43 | }; |
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| 44 | } |
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| 45 | |||
| 46 | /// Return the precedence of the specified binary operator token. |
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| 47 | prec::Level getBinOpPrecedence(tok::TokenKind Kind, bool GreaterThanIsOperator, |
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| 48 | bool CPlusPlus11); |
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| 49 | |||
| 50 | } // end namespace clang |
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| 51 | |||
| 52 | #endif // LLVM_CLANG_BASIC_OPERATORPRECEDENCE_H |