aboutsummaryrefslogtreecommitdiff
path: root/lib/StaticAnalyzer/Core
diff options
context:
space:
mode:
Diffstat (limited to 'lib/StaticAnalyzer/Core')
-rw-r--r--lib/StaticAnalyzer/Core/BugReporter.cpp3
-rw-r--r--lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp22
-rw-r--r--lib/StaticAnalyzer/Core/PathDiagnostic.cpp12
3 files changed, 24 insertions, 13 deletions
diff --git a/lib/StaticAnalyzer/Core/BugReporter.cpp b/lib/StaticAnalyzer/Core/BugReporter.cpp
index c6689f8536..5c14eaf284 100644
--- a/lib/StaticAnalyzer/Core/BugReporter.cpp
+++ b/lib/StaticAnalyzer/Core/BugReporter.cpp
@@ -1673,6 +1673,9 @@ PathDiagnosticLocation BugReport::getLocation(const SourceManager &SM) const {
if (const BinaryOperator *B = dyn_cast<BinaryOperator>(S))
return PathDiagnosticLocation::createOperatorLoc(B, SM);
+ if (isa<PostStmtPurgeDeadSymbols>(ErrorNode->getLocation()))
+ return PathDiagnosticLocation::createEnd(S, SM, LC);
+
return PathDiagnosticLocation::createBegin(S, SM, LC);
}
} else {
diff --git a/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp b/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
index a98e8b4922..426d48dae2 100644
--- a/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
+++ b/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
@@ -177,14 +177,15 @@ void ExprEngine::removeDeadOnEndOfFunction(NodeBuilderContext& BC,
return;
}
- // Here, we call the Symbol Reaper with 0 stack context telling it to clean up
- // everything on the stack. We use LastStmt as a diagnostic statement, with
- // which the program point will be associated. However, we only want to use
- // LastStmt as a reference for what to clean up if it's a ReturnStmt;
- // otherwise, everything is dead.
+ // Here, we destroy the current location context. We use the current
+ // function's entire body as a diagnostic statement, with which the program
+ // point will be associated. However, we only want to use LastStmt as a
+ // reference for what to clean up if it's a ReturnStmt; otherwise, everything
+ // is dead.
SaveAndRestore<const NodeBuilderContext *> NodeContextRAII(currBldrCtx, &BC);
- removeDead(Pred, Dst, dyn_cast<ReturnStmt>(LastSt),
- Pred->getLocationContext(), LastSt,
+ const LocationContext *LCtx = Pred->getLocationContext();
+ removeDead(Pred, Dst, dyn_cast<ReturnStmt>(LastSt), LCtx,
+ LCtx->getAnalysisDeclContext()->getBody(),
ProgramPoint::PostStmtPurgeDeadSymbolsKind);
}
@@ -289,9 +290,10 @@ void ExprEngine::processCallExit(ExplodedNode *CEBNode) {
currBldrCtx = &Ctx;
// Here, we call the Symbol Reaper with 0 statement and callee location
// context, telling it to clean up everything in the callee's context
- // (and its children). We use LastSt as a diagnostic statement, which
- // which the program point will be associated.
- removeDead(BindedRetNode, CleanedNodes, 0, calleeCtx, LastSt,
+ // (and its children). We use the callee's function body as a diagnostic
+ // statement, with which the program point will be associated.
+ removeDead(BindedRetNode, CleanedNodes, 0, calleeCtx,
+ calleeCtx->getAnalysisDeclContext()->getBody(),
ProgramPoint::PostStmtPurgeDeadSymbolsKind);
currBldrCtx = 0;
} else {
diff --git a/lib/StaticAnalyzer/Core/PathDiagnostic.cpp b/lib/StaticAnalyzer/Core/PathDiagnostic.cpp
index 2ebadcaa23..cfe35251a9 100644
--- a/lib/StaticAnalyzer/Core/PathDiagnostic.cpp
+++ b/lib/StaticAnalyzer/Core/PathDiagnostic.cpp
@@ -588,6 +588,8 @@ PathDiagnosticLocation
}
else if (const StmtPoint *SP = dyn_cast<StmtPoint>(&P)) {
S = SP->getStmt();
+ if (isa<PostStmtPurgeDeadSymbols>(P))
+ return PathDiagnosticLocation::createEnd(S, SMng, P.getLocationContext());
}
else if (const PostImplicitCall *PIE = dyn_cast<PostImplicitCall>(&P)) {
return PathDiagnosticLocation(PIE->getLocation(), SMng);
@@ -619,12 +621,16 @@ PathDiagnosticLocation
while (NI) {
ProgramPoint P = NI->getLocation();
- if (const StmtPoint *PS = dyn_cast<StmtPoint>(&P))
+ if (const StmtPoint *PS = dyn_cast<StmtPoint>(&P)) {
S = PS->getStmt();
- else if (const BlockEdge *BE = dyn_cast<BlockEdge>(&P))
+ if (isa<PostStmtPurgeDeadSymbols>(P))
+ return PathDiagnosticLocation::createEnd(S, SM,
+ NI->getLocationContext());
+ break;
+ } else if (const BlockEdge *BE = dyn_cast<BlockEdge>(&P)) {
S = BE->getSrc()->getTerminator();
- if (S)
break;
+ }
NI = NI->succ_empty() ? 0 : *(NI->succ_begin());
}