From: Eric Liu <ioeric@google.com>
Date: Mon, 22 Oct 2018 08:47:31 +0000 (+0000)
Subject: [CodeComplete] Fix accessibility of protected members when accessing members implicitly.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=49d87540b6b86e41450c9b845e7f2230075b8df7;p=clang

[CodeComplete] Fix accessibility of protected members when accessing members implicitly.

Reviewers: ilya-biryukov

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D53369

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@344889 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index 303d96be7a..a6799c5c29 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -3686,13 +3686,20 @@ void Sema::CodeCompleteOrdinaryName(Scope *S,
   }
 
   // If we are in a C++ non-static member function, check the qualifiers on
-  // the member function to filter/prioritize the results list.
-  if (CXXMethodDecl *CurMethod = dyn_cast<CXXMethodDecl>(CurContext))
-    if (CurMethod->isInstance())
+  // the member function to filter/prioritize the results list and set the
+  // context to the record context so that accessibility check in base class
+  // works correctly.
+  RecordDecl *MemberCompletionRecord = nullptr;
+  if (CXXMethodDecl *CurMethod = dyn_cast<CXXMethodDecl>(CurContext)) {
+    if (CurMethod->isInstance()) {
       Results.setObjectTypeQualifiers(
                       Qualifiers::fromCVRMask(CurMethod->getTypeQualifiers()));
+      MemberCompletionRecord = CurMethod->getParent();
+    }
+  }
 
-  CodeCompletionDeclConsumer Consumer(Results, CurContext);
+  CodeCompletionDeclConsumer Consumer(Results, CurContext, /*FixIts=*/{},
+                                      MemberCompletionRecord);
   LookupVisibleDecls(S, LookupOrdinaryName, Consumer,
                      CodeCompleter->includeGlobals(),
                      CodeCompleter->loadExternal());
diff --git a/test/Index/complete-access-checks.cpp b/test/Index/complete-access-checks.cpp
index 065008e320..bac63279c0 100644
--- a/test/Index/complete-access-checks.cpp
+++ b/test/Index/complete-access-checks.cpp
@@ -29,8 +29,11 @@ void Y::doSomething() {
   // RUN: c-index-test -code-completion-at=%s:30:9 %s | FileCheck -check-prefix=CHECK-SUPER-ACCESS %s
   this->;
 
+  // RUN: c-index-test -code-completion-at=%s:33:3 %s | FileCheck -check-prefix=CHECK-SUPER-ACCESS-IMPLICIT %s
+  
+
   Z that;
-  // RUN: c-index-test -code-completion-at=%s:34:8 %s | FileCheck -check-prefix=CHECK-ACCESS %s
+  // RUN: c-index-test -code-completion-at=%s:37:8 %s | FileCheck -check-prefix=CHECK-ACCESS %s
   that.
 }
 
@@ -48,6 +51,14 @@ void Y::doSomething() {
 // CHECK-SUPER-ACCESS: CXXDestructor:{ResultType void}{Informative X::}{TypedText ~X}{LeftParen (}{RightParen )} (81)
 // CHECK-SUPER-ACCESS: CXXDestructor:{ResultType void}{TypedText ~Y}{LeftParen (}{RightParen )} (79)
 
+// CHECK-SUPER-ACCESS-IMPLICIT: CXXMethod:{ResultType void}{TypedText doSomething}{LeftParen (}{RightParen )} (34)
+// CHECK-SUPER-ACCESS-IMPLICIT: CXXMethod:{ResultType void}{TypedText func1}{LeftParen (}{RightParen )} (36)
+// CHECK-SUPER-ACCESS-IMPLICIT: CXXMethod:{ResultType void}{TypedText func2}{LeftParen (}{RightParen )} (36){{$}}
+// CHECK-SUPER-ACCESS-IMPLICIT: CXXMethod:{ResultType void}{TypedText func3}{LeftParen (}{RightParen )} (36) (inaccessible)
+// CHECK-SUPER-ACCESS-IMPLICIT: FieldDecl:{ResultType int}{TypedText member1} (37)
+// CHECK-SUPER-ACCESS-IMPLICIT: FieldDecl:{ResultType int}{TypedText member2} (37){{$}}
+// CHECK-SUPER-ACCESS-IMPLICIT: FieldDecl:{ResultType int}{TypedText member3} (37) (inaccessible)
+
 // CHECK-ACCESS: CXXMethod:{ResultType void}{TypedText func1}{LeftParen (}{RightParen )} (34)
 // CHECK-ACCESS: CXXMethod:{ResultType void}{TypedText func2}{LeftParen (}{RightParen )} (34) (inaccessible)
 // CHECK-ACCESS: CXXMethod:{ResultType void}{TypedText func3}{LeftParen (}{RightParen )} (34) (inaccessible)
@@ -69,9 +80,9 @@ public:
 };
 
 void f(P x, Q y) {
-  // RUN: c-index-test -code-completion-at=%s:73:5 %s | FileCheck -check-prefix=CHECK-USING-INACCESSIBLE %s
+  // RUN: c-index-test -code-completion-at=%s:84:5 %s | FileCheck -check-prefix=CHECK-USING-INACCESSIBLE %s
   x.; // member is inaccessible
-  // RUN: c-index-test -code-completion-at=%s:75:5 %s | FileCheck -check-prefix=CHECK-USING-ACCESSIBLE %s
+  // RUN: c-index-test -code-completion-at=%s:86:5 %s | FileCheck -check-prefix=CHECK-USING-ACCESSIBLE %s
   y.; // member is accessible
 }
 
@@ -102,11 +113,11 @@ class D : public C {
 };
 
 void D::f(::B *that) {
-  // RUN: c-index-test -code-completion-at=%s:106:9 %s | FileCheck -check-prefix=CHECK-PRIVATE-SUPER-THIS %s
+  // RUN: c-index-test -code-completion-at=%s:117:9 %s | FileCheck -check-prefix=CHECK-PRIVATE-SUPER-THIS %s
   this->;
 // CHECK-PRIVATE-SUPER-THIS: FieldDecl:{ResultType int}{Informative B::}{TypedText member} (37) (inaccessible)
 
-  // RUN: c-index-test -code-completion-at=%s:110:9 %s | FileCheck -check-prefix=CHECK-PRIVATE-SUPER-THAT %s
+  // RUN: c-index-test -code-completion-at=%s:121:9 %s | FileCheck -check-prefix=CHECK-PRIVATE-SUPER-THAT %s
   that->;
 // CHECK-PRIVATE-SUPER-THAT: FieldDecl:{ResultType int}{TypedText member} (35) (inaccessible)
 }