//===- DelayedDiagnostic.cpp - Delayed declarator diagnostics -------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

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

//

// This file defines the DelayedDiagnostic class implementation, which

// is used to record diagnostics that are being conditionally produced

// during declarator parsing.

//

// This file also defines AccessedEntity.

//

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

#include "clang/Sema/DelayedDiagnostic.h"

#include <cstring>

using namespace clang;

using namespace sema;

DelayedDiagnostic

DelayedDiagnostic::makeAvailability(AvailabilityResult AR,

                                    ArrayRef<SourceLocation> Locs,

                                    const NamedDecl *ReferringDecl,

                                    const NamedDecl *OffendingDecl,

                                    const ObjCInterfaceDecl *UnknownObjCClass,

                                    const ObjCPropertyDecl  *ObjCProperty,

                                    StringRef Msg,

                                    bool ObjCPropertyAccess) {

  assert(!Locs.empty());

  DelayedDiagnostic DD;

  DD.Kind = Availability;

  DD.Triggered = false;

  DD.Loc = Locs.front();

  DD.AvailabilityData.ReferringDecl = ReferringDecl;

  DD.AvailabilityData.OffendingDecl = OffendingDecl;

  DD.AvailabilityData.UnknownObjCClass = UnknownObjCClass;

  DD.AvailabilityData.ObjCProperty = ObjCProperty;

  char *MessageData = nullptr;

  if (!Msg.empty()) {

    MessageData = new char [Msg.size()];

    memcpy(MessageData, Msg.data(), Msg.size());

  }

  DD.AvailabilityData.Message = MessageData;

  DD.AvailabilityData.MessageLen = Msg.size();

  DD.AvailabilityData.SelectorLocs = new SourceLocation[Locs.size()];

  memcpy(DD.AvailabilityData.SelectorLocs, Locs.data(),

         sizeof(SourceLocation) * Locs.size());

  DD.AvailabilityData.NumSelectorLocs = Locs.size();

  DD.AvailabilityData.AR = AR;

  DD.AvailabilityData.ObjCPropertyAccess = ObjCPropertyAccess;

  return DD;

}

void DelayedDiagnostic::Destroy() {

  switch (Kind) {

  case Access:

    getAccessData().~AccessedEntity();

    break;

  case Availability:

    delete[] AvailabilityData.Message;

    delete[] AvailabilityData.SelectorLocs;

    break;

  case ForbiddenType:

    break;

  }

}