From 2a648169f9ad854536814515cba1780fd02586d2 Mon Sep 17 00:00:00 2001
From: Jordan Rose <jordan_rose@apple.com>
Date: Thu, 31 Oct 2013 18:41:15 +0000
Subject: [PATCH] [analyzer] Don't crash when a path goes through a 'delete'
destructor call.
This was just left unimplemnted from r191381; the fix is to report this call
location as the location of the 'delete' expr.
PR17746
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193783 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/StaticAnalyzer/Core/PathDiagnostic.cpp | 3 +-
test/Analysis/inlining/path-notes.cpp | 256 +++++++++++++++++++++
2 files changed, 258 insertions(+), 1 deletion(-)
diff --git a/lib/StaticAnalyzer/Core/PathDiagnostic.cpp b/lib/StaticAnalyzer/Core/PathDiagnostic.cpp
index 8099cd3b74..b504db6349 100644
--- a/lib/StaticAnalyzer/Core/PathDiagnostic.cpp
+++ b/lib/StaticAnalyzer/Core/PathDiagnostic.cpp
@@ -560,7 +560,8 @@ getLocationForCaller(const StackFrameContext *SFC,
SM, CallerCtx);
}
case CFGElement::DeleteDtor: {
- llvm_unreachable("not yet implemented!");
+ const CFGDeleteDtor &Dtor = Source.castAs<CFGDeleteDtor>();
+ return PathDiagnosticLocation(Dtor.getDeleteExpr(), SM, CallerCtx);
}
case CFGElement::BaseDtor:
case CFGElement::MemberDtor: {
diff --git a/test/Analysis/inlining/path-notes.cpp b/test/Analysis/inlining/path-notes.cpp
index 810c150e4c..a354e14df9 100644
--- a/test/Analysis/inlining/path-notes.cpp
+++ b/test/Analysis/inlining/path-notes.cpp
@@ -274,6 +274,30 @@ int callGenerateNoteOnDefaultArgument(int o) {
//expected-note@-1 {{Passing the value 0 via 2nd parameter 'two'}}
}
+namespace PR17746 {
+ class Inner {
+ public:
+ ~Inner() {
+ *(volatile int *)0 = 1; // expected-warning {{Dereference of null pointer}}
+ // expected-note@-1 {{Dereference of null pointer}}
+ }
+ };
+
+ class Outer {
+ public:
+ Inner *inner;
+ ~Outer() {
+ delete inner;
+ // expected-note@-1 {{Calling '~Inner'}}
+ }
+ };
+
+ void test(Outer *outer) {
+ delete outer;
+ // expected-note@-1 {{Calling '~Outer'}}
+ }
+}
+
// CHECK: <key>diagnostics</key>
// CHECK-NEXT: <array>
// CHECK-NEXT: <dict>
@@ -4973,4 +4997,236 @@ int callGenerateNoteOnDefaultArgument(int o) {
// CHECK-NEXT: <key>file</key><integer>0</integer>
// CHECK-NEXT: </dict>
// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>path</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>event</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>296</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <key>ranges</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>296</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>296</integer>
+// CHECK-NEXT: <key>col</key><integer>16</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>depth</key><integer>0</integer>
+// CHECK-NEXT: <key>extended_message</key>
+// CHECK-NEXT: <string>Calling '~Outer'</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Calling '~Outer'</string>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>event</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>289</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <key>depth</key><integer>1</integer>
+// CHECK-NEXT: <key>extended_message</key>
+// CHECK-NEXT: <string>Entered call from 'test'</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Entered call from 'test'</string>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>control</string>
+// CHECK-NEXT: <key>edges</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>start</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>289</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>289</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>end</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>290</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>290</integer>
+// CHECK-NEXT: <key>col</key><integer>12</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>event</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>290</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <key>ranges</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>290</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>290</integer>
+// CHECK-NEXT: <key>col</key><integer>18</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>depth</key><integer>1</integer>
+// CHECK-NEXT: <key>extended_message</key>
+// CHECK-NEXT: <string>Calling '~Inner'</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Calling '~Inner'</string>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>event</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>280</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <key>depth</key><integer>2</integer>
+// CHECK-NEXT: <key>extended_message</key>
+// CHECK-NEXT: <string>Entered call from '~Outer'</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Entered call from '~Outer'</string>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>control</string>
+// CHECK-NEXT: <key>edges</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>start</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>280</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>280</integer>
+// CHECK-NEXT: <key>col</key><integer>5</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>end</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>control</string>
+// CHECK-NEXT: <key>edges</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>start</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>end</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>26</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>26</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>kind</key><string>event</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>26</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <key>ranges</key>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <array>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>7</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>28</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>depth</key><integer>2</integer>
+// CHECK-NEXT: <key>extended_message</key>
+// CHECK-NEXT: <string>Dereference of null pointer</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Dereference of null pointer</string>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>description</key><string>Dereference of null pointer</string>
+// CHECK-NEXT: <key>category</key><string>Logic error</string>
+// CHECK-NEXT: <key>type</key><string>Dereference of null pointer</string>
+// CHECK-NEXT: <key>issue_hash</key><string>1</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>281</integer>
+// CHECK-NEXT: <key>col</key><integer>26</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </dict>
// CHECK-NEXT: </array>
--
2.40.0