| //===--- SILDebugScope.cpp - DebugScopes for SIL code ---------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// |
| /// This file defines a container for scope information used to |
| /// generate debug info. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #include "swift/SIL/SILDebugScope.h" |
| #include "swift/SIL/SILFunction.h" |
| |
| using namespace swift; |
| |
| SILDebugScope::SILDebugScope(SILLocation Loc, SILFunction *SILFn, |
| const SILDebugScope *ParentScope , |
| const SILDebugScope *InlinedCallSite) |
| : Loc(Loc), InlinedCallSite(InlinedCallSite) { |
| if (ParentScope) |
| Parent = ParentScope; |
| else { |
| assert(SILFn && "no parent provided"); |
| Parent = SILFn; |
| } |
| } |
| |
| SILDebugScope::SILDebugScope(SILLocation Loc) |
| : Loc(Loc), InlinedCallSite(nullptr) {} |
| |
| SILFunction *SILDebugScope::getInlinedFunction() const { |
| if (Parent.isNull()) |
| return nullptr; |
| |
| const SILDebugScope *Scope = this; |
| while (Scope->Parent.is<const SILDebugScope *>()) |
| Scope = Scope->Parent.get<const SILDebugScope *>(); |
| assert(Scope->Parent.is<SILFunction *>() && "orphaned scope"); |
| return Scope->Parent.get<SILFunction *>(); |
| } |
| |
| SILFunction *SILDebugScope::getParentFunction() const { |
| if (InlinedCallSite) |
| return InlinedCallSite->getParentFunction(); |
| if (auto *ParentScope = Parent.dyn_cast<const SILDebugScope *>()) |
| return ParentScope->getParentFunction(); |
| return Parent.get<SILFunction *>(); |
| } |