diff options
Diffstat (limited to 'clang/lib/Tooling/Syntax/BuildTree.cpp')
-rw-r--r-- | clang/lib/Tooling/Syntax/BuildTree.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/clang/lib/Tooling/Syntax/BuildTree.cpp b/clang/lib/Tooling/Syntax/BuildTree.cpp index 72083ee..bb2b149 100644 --- a/clang/lib/Tooling/Syntax/BuildTree.cpp +++ b/clang/lib/Tooling/Syntax/BuildTree.cpp @@ -14,6 +14,7 @@ #include "clang/AST/Expr.h" #include "clang/AST/ExprCXX.h" #include "clang/AST/IgnoreExpr.h" +#include "clang/AST/OperationKinds.h" #include "clang/AST/RecursiveASTVisitor.h" #include "clang/AST/Stmt.h" #include "clang/AST/TypeLoc.h" @@ -60,9 +61,25 @@ static Expr *IgnoreImplicitConstructorSingleStep(Expr *E) { return E; } +// In: +// struct X { +// X(int) +// }; +// X x = X(1); +// Ignores the implicit `CXXFunctionalCastExpr` that wraps +// `CXXConstructExpr X(1)`. +static Expr *IgnoreCXXFunctionalCastExprWrappingConstructor(Expr *E) { + if (auto *F = dyn_cast<CXXFunctionalCastExpr>(E)) { + if (F->getCastKind() == CK_ConstructorConversion) + return F->getSubExpr(); + } + return E; +} + static Expr *IgnoreImplicit(Expr *E) { return IgnoreExprNodes(E, IgnoreImplicitSingleStep, - IgnoreImplicitConstructorSingleStep); + IgnoreImplicitConstructorSingleStep, + IgnoreCXXFunctionalCastExprWrappingConstructor); } LLVM_ATTRIBUTE_UNUSED |