[cfe-commits] r151938 - in /cfe/trunk: lib/StaticAnalyzer/Core/BugReporter.cpp test/Analysis/inline-plist.c
Ted Kremenek
kremenek at apple.com
Fri Mar 2 13:16:22 PST 2012
Author: kremenek
Date: Fri Mar 2 15:16:22 2012
New Revision: 151938
URL: http://llvm.org/viewvc/llvm-project?rev=151938&view=rev
Log:
[analyzer diagnostics] flush locations *before* popping the current path when visiting a CallEnter.
Fixes <rdar://problem/10967815>
Added:
cfe/trunk/test/Analysis/inline-plist.c
Modified:
cfe/trunk/lib/StaticAnalyzer/Core/BugReporter.cpp
Modified: cfe/trunk/lib/StaticAnalyzer/Core/BugReporter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/BugReporter.cpp?rev=151938&r1=151937&r2=151938&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/BugReporter.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Core/BugReporter.cpp Fri Mar 2 15:16:22 2012
@@ -1229,17 +1229,14 @@
PD.pushActivePath(&C->path);
break;
}
-
- // Note that is important that we update the LocationContext
- // after looking at CallExits. CallExit basically adds an
- // edge in the *caller*, so we don't want to update the LocationContext
- // too soon.
- PDB.LC = N->getLocationContext();
-
+
// Pop the call hierarchy if we are done walking the contents
// of a function call.
if (const CallEnter *CE = dyn_cast<CallEnter>(&P)) {
+ EB.flushLocations();
PD.popActivePath();
+ assert(!PD.getActivePath().empty());
+ PDB.LC = N->getLocationContext();
// The current active path should never be empty. Either we
// just added a bunch of stuff to the top-level path, or
// we have a previous CallExit. If the front of the active
@@ -1247,16 +1244,20 @@
// path terminated within a function call. We must then take the
// current contents of the active path and place it within
// a new PathDiagnosticCallPiece.
- assert(!PD.getActivePath().empty());
- PathDiagnosticCallPiece *C =
+ PathDiagnosticCallPiece *C =
dyn_cast<PathDiagnosticCallPiece>(PD.getActivePath().front());
if (!C)
C = PathDiagnosticCallPiece::construct(PD.getActivePath());
C->setCallee(*CE, SM);
- EB.flushLocations();
EB.addContext(CE->getCallExpr());
break;
}
+
+ // Note that is important that we update the LocationContext
+ // after looking at CallExits. CallExit basically adds an
+ // edge in the *caller*, so we don't want to update the LocationContext
+ // too soon.
+ PDB.LC = N->getLocationContext();
// Block edges.
if (const BlockEdge *BE = dyn_cast<BlockEdge>(&P)) {
Added: cfe/trunk/test/Analysis/inline-plist.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Analysis/inline-plist.c?rev=151938&view=auto
==============================================================================
--- cfe/trunk/test/Analysis/inline-plist.c (added)
+++ cfe/trunk/test/Analysis/inline-plist.c Fri Mar 2 15:16:22 2012
@@ -0,0 +1,234 @@
+// RUN: %clang --analyze %s -Xclang -analyzer-inline-call -o %t
+// RUN: FileCheck -input-file %t %s
+
+// <rdar://problem/10967815>
+void mmm(int y) {
+ if (y != 0)
+ y++;
+}
+
+int foo(int x, int y) {
+ mmm(y);
+ if (x != 0)
+ x++;
+ return 5/x;
+}
+
+// CHECK: <?xml version="1.0" encoding="UTF-8"?>
+// CHECK: <plist version="1.0">
+// CHECK: <dict>
+// CHECK: <key>files</key>
+// CHECK: <array>
+// CHECK: </array>
+// CHECK: <key>diagnostics</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>path</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>kind</key><string>control</string>
+// CHECK: <key>edges</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>start</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>11</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>11</integer>
+// CHECK: <key>col</key><integer>10</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: <key>end</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>kind</key><string>control</string>
+// CHECK: <key>edges</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>start</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: <key>end</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>9</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>9</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>kind</key><string>event</string>
+// CHECK: <key>location</key>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>9</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <key>ranges</key>
+// CHECK: <array>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>9</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>14</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </array>
+// CHECK: <key>extended_message</key>
+// CHECK: <string>Assuming 'x' is equal to 0</string>
+// CHECK: <key>message</key>
+// CHECK: <string>Assuming 'x' is equal to 0</string>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>kind</key><string>control</string>
+// CHECK: <key>edges</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>start</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>9</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>12</integer>
+// CHECK: <key>col</key><integer>9</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: <key>end</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>kind</key><string>control</string>
+// CHECK: <key>edges</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>start</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>5</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: <key>end</key>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>12</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>12</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>kind</key><string>event</string>
+// CHECK: <key>location</key>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>12</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <key>ranges</key>
+// CHECK: <array>
+// CHECK: <array>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>12</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>14</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </array>
+// CHECK: <key>extended_message</key>
+// CHECK: <string>Division by zero</string>
+// CHECK: <key>message</key>
+// CHECK: <string>Division by zero</string>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: <key>description</key><string>Division by zero</string>
+// CHECK: <key>category</key><string>Logic error</string>
+// CHECK: <key>type</key><string>Division by zero</string>
+// CHECK: <key>location</key>
+// CHECK: <dict>
+// CHECK: <key>line</key><integer>14</integer>
+// CHECK: <key>col</key><integer>12</integer>
+// CHECK: <key>file</key><integer>0</integer>
+// CHECK: </dict>
+// CHECK: </dict>
+// CHECK: </array>
+// CHECK: </dict>
+// CHECK: </plist>
+
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