| //===--- Utils.h - Index utilities that are generally useful ----*- C++ -*-===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SWIFT_INDEX_UTILS_H |
| #define SWIFT_INDEX_UTILS_H |
| |
| #include "swift/Basic/LLVM.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/SmallVector.h" |
| |
| namespace swift { |
| class ValueDecl; |
| |
| /// Collect all the protocol requirements that a given declaration can |
| /// provide default implementations for. VD is a declaration in extension |
| /// declaration. Scratch is the buffer to collect those protocol |
| /// requirements. |
| /// |
| /// \returns the slice of Scratch |
| ArrayRef<ValueDecl*> |
| canDeclProvideDefaultImplementationFor(ValueDecl* VD, |
| llvm::SmallVectorImpl<ValueDecl*> &Scratch); |
| |
| /// Get decls that the given decl overrides, protocol requirements that |
| /// it serves as a default implementation of, and optionally protocol |
| /// requirements it satisfies in a conforming class |
| std::vector<ValueDecl*> |
| getOverriddenDecls(ValueDecl *VD, bool IncludeProtocolRequirements = true, |
| bool Transitive = false); |
| |
| } // end namespace swift |
| #endif // SWIFT_INDEX_UTILS_H |
