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(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_NotYetIntroduced:
39       DD.Kind = NotYetIntroduced;
40       break;
41     case Sema::AD_Partial:
42       llvm_unreachable("AD_Partial diags should not be delayed");
43   }
44   DD.Triggered = false;
45   DD.Loc = Loc;
46   DD.DeprecationData.Decl = D;
47   DD.DeprecationData.UnknownObjCClass = UnknownObjCClass;
48   DD.DeprecationData.ObjCProperty = ObjCProperty;
49   char *MessageData = nullptr;
50   if (Msg.size()) {
51     MessageData = new char [Msg.size()];
52     memcpy(MessageData, Msg.data(), Msg.size());
53   }
54 
55   DD.DeprecationData.Message = MessageData;
56   DD.DeprecationData.MessageLen = Msg.size();
57   DD.DeprecationData.ObjCPropertyAccess = ObjCPropertyAccess;
58   return DD;
59 }
60 
61 void DelayedDiagnostic::Destroy() {
62   switch (static_cast<DDKind>(Kind)) {
63   case Access:
64     getAccessData().~AccessedEntity();
65     break;
66 
67   case Deprecation:
68   case Unavailable:
69   case NotYetIntroduced:
70     delete [] DeprecationData.Message;
71     break;
72 
73   case ForbiddenType:
74     break;
75   }
76 }
77