diff options
Diffstat (limited to 'clang/lib/Sema/ScopeInfo.cpp')
-rw-r--r-- | clang/lib/Sema/ScopeInfo.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/clang/lib/Sema/ScopeInfo.cpp b/clang/lib/Sema/ScopeInfo.cpp index b2a26af9b4a..e84e592a482 100644 --- a/clang/lib/Sema/ScopeInfo.cpp +++ b/clang/lib/Sema/ScopeInfo.cpp @@ -229,20 +229,20 @@ bool CapturingScopeInfo::isVLATypeCaptured(const VariableArrayType *VAT) const { return false; } -void LambdaScopeInfo::visitPotentialCaptures( - llvm::function_ref<void(VarDecl *, Expr *)> Callback) const { - for (Expr *E : PotentiallyCapturingExprs) { - if (auto *DRE = dyn_cast<DeclRefExpr>(E)) { - Callback(cast<VarDecl>(DRE->getFoundDecl()), E); - } else if (auto *ME = dyn_cast<MemberExpr>(E)) { - Callback(cast<VarDecl>(ME->getMemberDecl()), E); - } else if (auto *FP = dyn_cast<FunctionParmPackExpr>(E)) { - for (VarDecl *VD : *FP) - Callback(VD, E); - } else { - llvm_unreachable("unexpected expression in potential captures list"); - } - } +void LambdaScopeInfo::getPotentialVariableCapture(unsigned Idx, VarDecl *&VD, + Expr *&E) const { + assert(Idx < getNumPotentialVariableCaptures() && + "Index of potential capture must be within 0 to less than the " + "number of captures!"); + E = PotentiallyCapturingExprs[Idx]; + if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E)) + VD = dyn_cast<VarDecl>(DRE->getFoundDecl()); + else if (MemberExpr *ME = dyn_cast<MemberExpr>(E)) + VD = dyn_cast<VarDecl>(ME->getMemberDecl()); + else + llvm_unreachable("Only DeclRefExprs or MemberExprs should be added for " + "potential captures"); + assert(VD); } FunctionScopeInfo::~FunctionScopeInfo() { } |