microsoft
/
clang-1
зеркало из https://github.com/microsoft/clang-1.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Make PathDiagnosticBuilder sensitive to varying LocationContexts, thus fixing a bug in the inlining diagnostics where the wrong location could be used. 

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151349 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ted Kremenek 2012-02-24 07:12:52 +00:00
Родитель 5b03c17bc9
Коммит 59950d3aa5
2 изменённых файлов: 24 добавлений и 59 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

44
lib/StaticAnalyzer/Core/BugReporter.cpp
Просмотреть файл

@ -136,11 +136,14 @@ class PathDiagnosticBuilder : public BugReporterContext {
OwningPtr<ParentMap> PM;
NodeMapClosure NMC;
public:
const LocationContext *LC;
PathDiagnosticBuilder(GRBugReporter &br,
BugReport *r, NodeBackMap *Backmap,
PathDiagnosticConsumer *pdc)
: BugReporterContext(br),
R(r), PDC(pdc), NMC(Backmap) {}
R(r), PDC(pdc), NMC(Backmap), LC(r->getErrorNode()->getLocationContext())
{}
PathDiagnosticLocation ExecutionContinues(const ExplodedNode *N);
@ -150,12 +153,8 @@ public:
BugReport *getBugReport() { return R; }
Decl const &getCodeDecl() { return R->getErrorNode()->getCodeDecl(); }
const LocationContext* getLocationContext() {
return R->getErrorNode()->getLocationContext();
}
ParentMap& getParentMap() { return R->getErrorNode()->getParentMap(); }
ParentMap& getParentMap() { return LC->getParentMap(); }
const Stmt *getParent(const Stmt *S) {
return getParentMap().getParent(S);
@ -178,7 +177,7 @@ public:
PathDiagnosticLocation
PathDiagnosticBuilder::ExecutionContinues(const ExplodedNode *N) {
if (const Stmt *S = GetNextStmt(N))
return PathDiagnosticLocation(S, getSourceManager(), getLocationContext());
return PathDiagnosticLocation(S, getSourceManager(), LC);
return PathDiagnosticLocation::createDeclEnd(N->getLocationContext(),
getSourceManager());
@ -239,7 +238,6 @@ PathDiagnosticBuilder::getEnclosingStmtLocation(const Stmt *S) {
assert(S && "Null Stmt *passed to getEnclosingStmtLocation");
ParentMap &P = getParentMap();
SourceManager &SMgr = getSourceManager();
const LocationContext *LC = getLocationContext();
while (IsNested(S, P)) {
const Stmt *Parent = P.getParentIgnoreParens(S);
@ -521,11 +519,12 @@ static void GenerateMinimalPathDiagnostic(PathDiagnostic& PD,
const ExplodedNode *N) {
SourceManager& SMgr = PDB.getSourceManager();
const LocationContext *LC = PDB.getLocationContext();
const LocationContext *LC = PDB.LC;
const ExplodedNode *NextNode = N->pred_empty()
? NULL : *(N->pred_begin());
while (NextNode) {
N = NextNode;
PDB.LC = N->getLocationContext();
NextNode = GetPredecessorNode(N);
ProgramPoint P = N->getLocation();
@ -910,7 +909,7 @@ class EdgeBuilder {
}
if (S != Original)
L = PathDiagnosticLocation(S, L.getManager(), PDB.getLocationContext());
L = PathDiagnosticLocation(S, L.getManager(), PDB.LC);
}
if (firstCharOnly)
@ -947,7 +946,7 @@ public:
// Finally, add an initial edge from the start location of the first
// statement (if it doesn't already exist).
PathDiagnosticLocation L = PathDiagnosticLocation::createDeclBegin(
PDB.getLocationContext(),
PDB.LC,
PDB.getSourceManager());
if (L.isValid())
rawAddEdge(L);
@ -1130,7 +1129,7 @@ void EdgeBuilder::addContext(const Stmt *S) {
if (!S)
return;
PathDiagnosticLocation L(S, PDB.getSourceManager(), PDB.getLocationContext());
PathDiagnosticLocation L(S, PDB.getSourceManager(), PDB.LC);
while (!CLocs.empty()) {
const PathDiagnosticLocation &TopContextLoc = CLocs.back();
@ -1178,15 +1177,13 @@ static void GenerateExtensivePathDiagnostic(PathDiagnostic& PD,
PD.pushActivePath(&C->path);
break;
}
// Was the predecessor in a different stack frame?
if (NextNode &&
!isa<CallExit>(NextNode->getLocation()) &&
NextNode->getLocationContext()->getCurrentStackFrame() !=
N->getLocationContext()->getCurrentStackFrame()) {
EB.flushLocations();
}
// 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)) {
@ -1204,6 +1201,7 @@ static void GenerateExtensivePathDiagnostic(PathDiagnostic& PD,
if (!C)
C = PathDiagnosticCallPiece::construct(PD.getActivePath());
C->setCallee(*CE, SM);
EB.flushLocations();
EB.addContext(CE->getCallExpr());
break;
}
@ -1215,7 +1213,7 @@ static void GenerateExtensivePathDiagnostic(PathDiagnostic& PD,
// Are we jumping to the head of a loop? Add a special diagnostic.
if (const Stmt *Loop = BE->getDst()->getLoopTarget()) {
PathDiagnosticLocation L(Loop, SM, PDB.getLocationContext());
PathDiagnosticLocation L(Loop, SM, PDB.LC);
const CompoundStmt *CS = NULL;
if (!Term) {

39
test/Analysis/inline-unique-reports.c
Просмотреть файл

@ -34,12 +34,12 @@ void test_bug_2() {
// CHECK: <key>start</key>
// CHECK: <array>
// CHECK: <dict>
// CHECK: <key>line</key><integer>5</integer>
// CHECK: <key>line</key><integer>9</integer>
// CHECK: <key>col</key><integer>3</integer>
// CHECK: <key>file</key><integer>0</integer>
// CHECK: </dict>
// CHECK: <dict>
// CHECK: <key>line</key><integer>5</integer>
// CHECK: <key>line</key><integer>9</integer>
// CHECK: <key>col</key><integer>3</integer>
// CHECK: <key>file</key><integer>0</integer>
// CHECK: </dict>
@ -47,40 +47,6 @@ void test_bug_2() {
// CHECK: <key>end</key>
// CHECK: <array>
// CHECK: <dict>
// CHECK: <key>line</key><integer>9</integer>
// CHECK: <key>col</key><integer>12</integer>
// CHECK: <key>file</key><integer>0</integer>
// CHECK: </dict>
// CHECK: <dict>
// CHECK: <key>line</key><integer>9</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>control</string>
// CHECK: <key>edges</key>
// CHECK: <array>
// CHECK: <dict>
// CHECK: <key>start</key>
// CHECK: <array>
// CHECK: <dict>
// CHECK: <key>line</key><integer>9</integer>
// CHECK: <key>col</key><integer>12</integer>
// CHECK: <key>file</key><integer>0</integer>
// CHECK: </dict>
// CHECK: <dict>
// CHECK: <key>line</key><integer>9</integer>
// CHECK: <key>col</key><integer>12</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>10</integer>
// CHECK: <key>col</key><integer>3</integer>
// CHECK: <key>file</key><integer>0</integer>
@ -164,3 +130,4 @@ void test_bug_2() {
// CHECK: </array>
// CHECK: </dict>
// CHECK: </plist>