| //===--- SemaLambda.h - Lambda Helper Functions --------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// \brief This file provides some common utility functions for processing |
| /// Lambdas. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_SEMA_SEMALAMBDA_H |
| #define LLVM_CLANG_SEMA_SEMALAMBDA_H |
| #include "clang/AST/ASTLambda.h" |
| #include "clang/Sema/ScopeInfo.h" |
| namespace clang { |
| class Sema; |
| |
| /// \brief Examines the FunctionScopeInfo stack to determine the nearest |
| /// enclosing lambda (to the current lambda) that is 'capture-capable' for |
| /// the variable referenced in the current lambda (i.e. \p VarToCapture). |
| /// If successful, returns the index into Sema's FunctionScopeInfo stack |
| /// of the capture-capable lambda's LambdaScopeInfo. |
| /// See Implementation for more detailed comments. |
| |
| Optional<unsigned> getStackIndexOfNearestEnclosingCaptureCapableLambda( |
| ArrayRef<const sema::FunctionScopeInfo *> FunctionScopes, |
| VarDecl *VarToCapture, Sema &S); |
| |
| } // clang |
| |
| #endif |
