//===--- DeclNameLoc.cpp - Declaration Name Location Info -----------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

//

// This file implements the DeclNameLoc class.

//

//===----------------------------------------------------------------------===//

#include "swift/AST/DeclNameLoc.h"

#include "swift/AST/ASTContext.h"

#include "swift/Basic/Assertions.h"

using namespace swift;

DeclNameLoc::DeclNameLoc(ASTContext &ctx, SourceLoc moduleSelectorLoc,

SourceLoc baseNameLoc,

SourceLoc lParenLoc,

ArrayRef<SourceLoc> argumentLabelLocs,

SourceLoc rParenLoc)

: NumArgumentLabels(argumentLabelLocs.size()),

HasModuleSelectorLoc(moduleSelectorLoc.isValid())

{

if (NumArgumentLabels == 0 && !HasModuleSelectorLoc) {

LocationInfo = baseNameLoc.getOpaquePointerValue();

return;

}

// Copy the location information into permanent storage.

auto storedLocs =

ctx.Allocate<SourceLoc>(FirstArgumentLabelIndex + NumArgumentLabels);

storedLocs[BaseNameIndex] = baseNameLoc;

storedLocs[ModuleSelectorIndex] = moduleSelectorLoc;

storedLocs[LParenIndex] = lParenLoc;

storedLocs[RParenIndex] = rParenLoc;

std::memcpy(storedLocs.data() + FirstArgumentLabelIndex,

argumentLabelLocs.data(),

argumentLabelLocs.size() * sizeof(SourceLoc));

LocationInfo = storedLocs.data();

}