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-rw-r--r--test/Analysis/null-deref-path-notes.m264
1 files changed, 259 insertions, 5 deletions
diff --git a/test/Analysis/null-deref-path-notes.m b/test/Analysis/null-deref-path-notes.m
index 993f63320ea1..66514544dd1f 100644
--- a/test/Analysis/null-deref-path-notes.m
+++ b/test/Analysis/null-deref-path-notes.m
@@ -15,7 +15,7 @@ int testNull(Root *obj) {
// expected-note@-1 {{Assuming 'obj' is nil}}
// expected-note@-2 {{Taking false branch}}
- int *x = &obj->uniqueID; // expected-note{{Variable 'x' initialized to a null pointer value}}
+ int *x = &obj->uniqueID; // expected-note{{'x' initialized to a null pointer value}}
return *x; // expected-warning{{Dereference of null pointer (loaded from variable 'x')}} expected-note{{Dereference of null pointer (loaded from variable 'x')}}
}
@@ -36,6 +36,20 @@ int testNull(Root *obj) {
@end
+void repeatedStores(int coin) {
+ int *p = 0;
+ if (coin) {
+ // expected-note@-1 {{Assuming 'coin' is 0}}
+ // expected-note@-2 {{Taking false branch}}
+ extern int *getPointer();
+ p = getPointer();
+ } else {
+ p = 0; // expected-note {{Null pointer value stored to 'p'}}
+ }
+
+ *p = 1; // expected-warning{{Dereference of null pointer}} expected-note{{Dereference of null pointer}}
+}
+
// CHECK: <key>diagnostics</key>
// CHECK-NEXT: <array>
@@ -164,9 +178,9 @@ int testNull(Root *obj) {
// CHECK-NEXT: </array>
// CHECK-NEXT: <key>depth</key><integer>0</integer>
// CHECK-NEXT: <key>extended_message</key>
-// CHECK-NEXT: <string>Variable &apos;x&apos; initialized to a null pointer value</string>
+// CHECK-NEXT: <string>&apos;x&apos; initialized to a null pointer value</string>
// CHECK-NEXT: <key>message</key>
-// CHECK-NEXT: <string>Variable &apos;x&apos; initialized to a null pointer value</string>
+// CHECK-NEXT: <string>&apos;x&apos; initialized to a null pointer value</string>
// CHECK-NEXT: </dict>
// CHECK-NEXT: <dict>
// CHECK-NEXT: <key>kind</key><string>control</string>
@@ -271,7 +285,7 @@ int testNull(Root *obj) {
// CHECK-NEXT: <key>type</key><string>Dereference of null pointer</string>
// CHECK-NEXT: <key>issue_context_kind</key><string>function</string>
// CHECK-NEXT: <key>issue_context</key><string>testNull</string>
-// CHECK-NEXT: <key>issue_hash</key><integer>6</integer>
+// CHECK-NEXT: <key>issue_hash</key><string>6</string>
// CHECK-NEXT: <key>location</key>
// CHECK-NEXT: <dict>
// CHECK-NEXT: <key>line</key><integer>19</integer>
@@ -477,7 +491,7 @@ int testNull(Root *obj) {
// CHECK-NEXT: <key>type</key><string>Dereference of null pointer</string>
// CHECK-NEXT: <key>issue_context_kind</key><string>Objective-C method</string>
// CHECK-NEXT: <key>issue_context</key><string>initWithID:</string>
-// CHECK-NEXT: <key>issue_hash</key><integer>6</integer>
+// CHECK-NEXT: <key>issue_hash</key><string>6</string>
// CHECK-NEXT: <key>location</key>
// CHECK-NEXT: <dict>
// CHECK-NEXT: <key>line</key><integer>33</integer>
@@ -485,4 +499,244 @@ int testNull(Root *obj) {
// 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>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>40</integer>
+// CHECK-NEXT: <key>col</key><integer>3</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>40</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>41</integer>
+// CHECK-NEXT: <key>col</key><integer>3</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>41</integer>
+// CHECK-NEXT: <key>col</key><integer>4</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>41</integer>
+// CHECK-NEXT: <key>col</key><integer>3</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>41</integer>
+// CHECK-NEXT: <key>col</key><integer>4</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>41</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>41</integer>
+// CHECK-NEXT: <key>col</key><integer>10</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>41</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>41</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>41</integer>
+// CHECK-NEXT: <key>col</key><integer>10</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>Assuming &apos;coin&apos; is 0</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Assuming &apos;coin&apos; is 0</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>41</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>41</integer>
+// CHECK-NEXT: <key>col</key><integer>10</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>47</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>47</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: </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>47</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>47</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>47</integer>
+// CHECK-NEXT: <key>col</key><integer>9</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>Null pointer value stored to &apos;p&apos;</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Null pointer value stored to &apos;p&apos;</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>47</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>47</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>50</integer>
+// CHECK-NEXT: <key>col</key><integer>3</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>50</integer>
+// CHECK-NEXT: <key>col</key><integer>3</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>50</integer>
+// CHECK-NEXT: <key>col</key><integer>3</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>50</integer>
+// CHECK-NEXT: <key>col</key><integer>4</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>50</integer>
+// CHECK-NEXT: <key>col</key><integer>4</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>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
+// CHECK-NEXT: <key>message</key>
+// CHECK-NEXT: <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </array>
+// CHECK-NEXT: <key>description</key><string>Dereference of null pointer (loaded from variable &apos;p&apos;)</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_context_kind</key><string>function</string>
+// CHECK-NEXT: <key>issue_context</key><string>repeatedStores</string>
+// CHECK-NEXT: <key>issue_hash</key><string>11</string>
+// CHECK-NEXT: <key>location</key>
+// CHECK-NEXT: <dict>
+// CHECK-NEXT: <key>line</key><integer>50</integer>
+// CHECK-NEXT: <key>col</key><integer>3</integer>
+// CHECK-NEXT: <key>file</key><integer>0</integer>
+// CHECK-NEXT: </dict>
+// CHECK-NEXT: </dict>
// CHECK-NEXT: </array>
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-04 17:46:25 +0000