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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--- SemaLambda.h - Lambda Helper Functions --------------*- 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 | /// This file provides some common utility functions for processing |
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| 11 | /// Lambdas. |
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| 12 | /// |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |||
| 15 | #ifndef LLVM_CLANG_SEMA_SEMALAMBDA_H |
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| 16 | #define LLVM_CLANG_SEMA_SEMALAMBDA_H |
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| 17 | |||
| 18 | #include "clang/AST/ASTLambda.h" |
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| 19 | #include <optional> |
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| 20 | |||
| 21 | namespace clang { |
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| 22 | namespace sema { |
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| 23 | class FunctionScopeInfo; |
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| 24 | } |
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| 25 | class Sema; |
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| 26 | |||
| 27 | /// Examines the FunctionScopeInfo stack to determine the nearest |
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| 28 | /// enclosing lambda (to the current lambda) that is 'capture-capable' for |
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| 29 | /// the variable referenced in the current lambda (i.e. \p VarToCapture). |
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| 30 | /// If successful, returns the index into Sema's FunctionScopeInfo stack |
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| 31 | /// of the capture-capable lambda's LambdaScopeInfo. |
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| 32 | /// See Implementation for more detailed comments. |
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| 33 | |||
| 34 | std::optional<unsigned> getStackIndexOfNearestEnclosingCaptureCapableLambda( |
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| 35 | ArrayRef<const sema::FunctionScopeInfo *> FunctionScopes, |
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| 36 | ValueDecl *VarToCapture, Sema &S); |
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| 37 | |||
| 38 | } // clang |
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| 39 | |||
| 40 | #endif |