| //===--- Lambda.h - Types for C++ Lambdas -----------------------*- 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 several types used to describe C++ lambda expressions |
| /// that are shared between the parser and AST. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| |
| #ifndef LLVM_CLANG_BASIC_LAMBDA_H |
| #define LLVM_CLANG_BASIC_LAMBDA_H |
| |
| namespace clang { |
| |
| /// The default, if any, capture method for a lambda expression. |
| enum LambdaCaptureDefault { |
| LCD_None, |
| LCD_ByCopy, |
| LCD_ByRef |
| }; |
| |
| /// The different capture forms in a lambda introducer |
| /// |
| /// C++11 allows capture of \c this, or of local variables by copy or |
| /// by reference. C++1y also allows "init-capture", where the initializer |
| /// is an expression. |
| enum LambdaCaptureKind { |
| LCK_This, ///< Capturing the \c *this object by reference |
| LCK_StarThis, ///< Capturing the \c *this object by copy |
| LCK_ByCopy, ///< Capturing by copy (a.k.a., by value) |
| LCK_ByRef, ///< Capturing by reference |
| LCK_VLAType ///< Capturing variable-length array type |
| }; |
| |
| } // end namespace clang |
| |
| #endif // LLVM_CLANG_BASIC_LAMBDA_H |
