contrib/llvm/tools/clang/lib/Sema/DelayedDiagnostic.cpp

   1 //===--- DelayedDiagnostic.cpp - Delayed declarator diagnostics -*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines the DelayedDiagnostic class implementation, which
  11 // is used to record diagnostics that are being conditionally produced
  12 // during declarator parsing.
  13 //
  14 // This file also defines AccessedEntity.
  15 //
  16 //===----------------------------------------------------------------------===//
  17 #include "clang/Sema/DelayedDiagnostic.h"
  18 #include <string.h>
  19 using namespace clang;
  20 using namespace sema;
  21
  22 DelayedDiagnostic
  23 DelayedDiagnostic::makeAvailability(AvailabilityResult AR,
  24                                     SourceLocation Loc,
  25                                     const NamedDecl *D,
  26                                     const ObjCInterfaceDecl *UnknownObjCClass,
  27                                     const ObjCPropertyDecl  *ObjCProperty,
  28                                     StringRef Msg,
  29                                     bool ObjCPropertyAccess) {
  30   DelayedDiagnostic DD;
  31   DD.Kind = Availability;
  32   DD.Triggered = false;
  33   DD.Loc = Loc;
  34   DD.AvailabilityData.Decl = D;
  35   DD.AvailabilityData.UnknownObjCClass = UnknownObjCClass;
  36   DD.AvailabilityData.ObjCProperty = ObjCProperty;
  37   char *MessageData = nullptr;
  38   if (Msg.size()) {
  39     MessageData = new char [Msg.size()];
  40     memcpy(MessageData, Msg.data(), Msg.size());
  41   }
  42
  43   DD.AvailabilityData.Message = MessageData;
  44   DD.AvailabilityData.MessageLen = Msg.size();
  45   DD.AvailabilityData.AR = AR;
  46   DD.AvailabilityData.ObjCPropertyAccess = ObjCPropertyAccess;
  47   return DD;
  48 }
  49
  50 void DelayedDiagnostic::Destroy() {
  51   switch (Kind) {
  52   case Access:
  53     getAccessData().~AccessedEntity();
  54     break;
  55
  56   case Availability:
  57     delete[] AvailabilityData.Message;
  58     break;
  59
  60   case ForbiddenType:
  61     break;
  62   }
  63 }