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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
makeAvailability(Sema::AvailabilityDiagnostic AD,SourceLocation Loc,const NamedDecl * D,const ObjCInterfaceDecl * UnknownObjCClass,const ObjCPropertyDecl * ObjCProperty,StringRef Msg,bool ObjCPropertyAccess)23 DelayedDiagnostic::makeAvailability(Sema::AvailabilityDiagnostic AD,
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   switch (AD) {
32     case Sema::AD_Deprecation:
33       DD.Kind = Deprecation;
34       break;
35     case Sema::AD_Unavailable:
36       DD.Kind = Unavailable;
37       break;
38     case Sema::AD_Partial:
39       llvm_unreachable("AD_Partial diags should not be delayed");
40   }
41   DD.Triggered = false;
42   DD.Loc = Loc;
43   DD.DeprecationData.Decl = D;
44   DD.DeprecationData.UnknownObjCClass = UnknownObjCClass;
45   DD.DeprecationData.ObjCProperty = ObjCProperty;
46   char *MessageData = nullptr;
47   if (Msg.size()) {
48     MessageData = new char [Msg.size()];
49     memcpy(MessageData, Msg.data(), Msg.size());
50   }
51 
52   DD.DeprecationData.Message = MessageData;
53   DD.DeprecationData.MessageLen = Msg.size();
54   DD.DeprecationData.ObjCPropertyAccess = ObjCPropertyAccess;
55   return DD;
56 }
57 
Destroy()58 void DelayedDiagnostic::Destroy() {
59   switch (static_cast<DDKind>(Kind)) {
60   case Access:
61     getAccessData().~AccessedEntity();
62     break;
63 
64   case Deprecation:
65   case Unavailable:
66     delete [] DeprecationData.Message;
67     break;
68 
69   case ForbiddenType:
70     break;
71   }
72 }
73