Tighen analyzer diagnostics w.r.t ObjC/CF leaks.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132130 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ted Kremenek 2011-05-26 18:45:44 +00:00
Родитель 42ec65df77
Коммит f13654600b
2 изменённых файлов: 19 добавлений и 19 удалений

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@ -2090,7 +2090,7 @@ PathDiagnosticPiece* CFRefReport::VisitNode(const ExplodedNode* N,
} }
if (CurrV.isOwned()) { if (CurrV.isOwned()) {
os << "+1 retain count (owning reference)."; os << "+1 retain count";
if (static_cast<CFRefBug&>(getBugType()).getTF().isGCEnabled()) { if (static_cast<CFRefBug&>(getBugType()).getTF().isGCEnabled()) {
assert(CurrV.getObjKind() == RetEffect::CF); assert(CurrV.getObjKind() == RetEffect::CF);
@ -2100,7 +2100,7 @@ PathDiagnosticPiece* CFRefReport::VisitNode(const ExplodedNode* N,
} }
else { else {
assert (CurrV.isNotOwned()); assert (CurrV.isNotOwned());
os << "+0 retain count (non-owning reference)."; os << "+0 retain count";
} }
PathDiagnosticLocation Pos(S, BRC.getSourceManager()); PathDiagnosticLocation Pos(S, BRC.getSourceManager());
@ -2232,11 +2232,11 @@ PathDiagnosticPiece* CFRefReport::VisitNode(const ExplodedNode* N,
case RefVal::ReturnedOwned: case RefVal::ReturnedOwned:
os << "Object returned to caller as an owning reference (single retain " os << "Object returned to caller as an owning reference (single retain "
"count transferred to caller)."; "count transferred to caller)";
break; break;
case RefVal::ReturnedNotOwned: case RefVal::ReturnedNotOwned:
os << "Object returned to caller with a +0 (non-owning) retain count."; os << "Object returned to caller with a +0 retain count";
break; break;
default: default:
@ -2369,12 +2369,7 @@ CFRefLeakReport::getEndPath(BugReporterContext& BRC,
llvm::tie(AllocNode, FirstBinding) = llvm::tie(AllocNode, FirstBinding) =
GetAllocationSite(BRC.getStateManager(), EndN, Sym); GetAllocationSite(BRC.getStateManager(), EndN, Sym);
// Get the allocate site.
assert(AllocNode);
const Stmt* FirstStmt = cast<PostStmt>(AllocNode->getLocation()).getStmt();
SourceManager& SMgr = BRC.getSourceManager(); SourceManager& SMgr = BRC.getSourceManager();
unsigned AllocLine =SMgr.getInstantiationLineNumber(FirstStmt->getLocStart());
// Compute an actual location for the leak. Sometimes a leak doesn't // Compute an actual location for the leak. Sometimes a leak doesn't
// occur at an actual statement (e.g., transition between blocks; end // occur at an actual statement (e.g., transition between blocks; end
@ -2407,10 +2402,14 @@ CFRefLeakReport::getEndPath(BugReporterContext& BRC,
std::string sbuf; std::string sbuf;
llvm::raw_string_ostream os(sbuf); llvm::raw_string_ostream os(sbuf);
os << "Object allocated on line " << AllocLine; os << "Object leaked: ";
if (FirstBinding) if (FirstBinding) {
os << " and stored into '" << FirstBinding->getString() << '\''; os << "object allocated and stored into '"
<< FirstBinding->getString() << '\'';
}
else
os << "allocated object";
// Get the retain count. // Get the retain count.
const RefVal* RV = EndN->getState()->get<RefBindings>(Sym); const RefVal* RV = EndN->getState()->get<RefBindings>(Sym);
@ -2425,7 +2424,7 @@ CFRefLeakReport::getEndPath(BugReporterContext& BRC,
<< MD->getSelector().getAsString() << MD->getSelector().getAsString()
<< "') does not start with 'copy', 'mutableCopy', 'alloc' or 'new'." << "') does not start with 'copy', 'mutableCopy', 'alloc' or 'new'."
" This violates the naming convention rules " " This violates the naming convention rules "
" given in the Memory Management Guide for Cocoa (object leaked)"; " given in the Memory Management Guide for Cocoa";
} }
else { else {
const FunctionDecl *FD = cast<FunctionDecl>(D); const FunctionDecl *FD = cast<FunctionDecl>(D);
@ -2433,7 +2432,7 @@ CFRefLeakReport::getEndPath(BugReporterContext& BRC,
<< FD->getNameAsString() << FD->getNameAsString()
<< "') does not contain 'Copy' or 'Create'. This violates the naming" << "') does not contain 'Copy' or 'Create'. This violates the naming"
" convention rules given the Memory Management Guide for Core " " convention rules given the Memory Management Guide for Core "
" Foundation (object leaked)"; " Foundation";
} }
} }
else if (RV->getKind() == RefVal::ErrorGCLeakReturned) { else if (RV->getKind() == RefVal::ErrorGCLeakReturned) {
@ -2446,7 +2445,7 @@ CFRefLeakReport::getEndPath(BugReporterContext& BRC,
} }
else else
os << " is not referenced later in this execution path and has a retain " os << " is not referenced later in this execution path and has a retain "
"count of +" << RV->getCount() << " (object leaked)"; "count of +" << RV->getCount();
return new PathDiagnosticEventPiece(L, os.str()); return new PathDiagnosticEventPiece(L, os.str());
} }

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@ -864,9 +864,9 @@ void rdar8331641(int x) {
// CHECK: </array> // CHECK: </array>
// CHECK: </array> // CHECK: </array>
// CHECK: <key>extended_message</key> // CHECK: <key>extended_message</key>
// CHECK: <string>Call to function &apos;CFNumberCreate&apos; returns a Core Foundation object with a +1 retain count (owning reference)</string> // CHECK: <string>Call to function &apos;CFNumberCreate&apos; returns a Core Foundation object with a +1 retain count</string>
// CHECK: <key>message</key> // CHECK: <key>message</key>
// CHECK: <string>Call to function &apos;CFNumberCreate&apos; returns a Core Foundation object with a +1 retain count (owning reference)</string> // CHECK: <string>Call to function &apos;CFNumberCreate&apos; returns a Core Foundation object with a +1 retain count</string>
// CHECK: </dict> // CHECK: </dict>
// CHECK: <dict> // CHECK: <dict>
// CHECK: <key>kind</key><string>control</string> // CHECK: <key>kind</key><string>control</string>
@ -994,9 +994,9 @@ void rdar8331641(int x) {
// CHECK: </array> // CHECK: </array>
// CHECK: </array> // CHECK: </array>
// CHECK: <key>extended_message</key> // CHECK: <key>extended_message</key>
// CHECK: <string>Object allocated on line 53 and stored into &apos;value&apos; is not referenced later in this execution path and has a retain count of +1 (object leaked)</string> // CHECK: <string>Object leaked: object allocated and stored into &apos;value&apos; is not referenced later in this execution path and has a retain count of +1</string>
// CHECK: <key>message</key> // CHECK: <key>message</key>
// CHECK: <string>Object allocated on line 53 and stored into &apos;value&apos; is not referenced later in this execution path and has a retain count of +1 (object leaked)</string> // CHECK: <string>Object leaked: object allocated and stored into &apos;value&apos; is not referenced later in this execution path and has a retain count of +1</string>
// CHECK: </dict> // CHECK: </dict>
// CHECK: </array> // CHECK: </array>
// CHECK: <key>description</key><string>Potential leak of an object allocated on line 53 and stored into &apos;value&apos;</string> // CHECK: <key>description</key><string>Potential leak of an object allocated on line 53 and stored into &apos;value&apos;</string>
@ -1012,3 +1012,4 @@ void rdar8331641(int x) {
// CHECK: </array> // CHECK: </array>
// CHECK: </dict> // CHECK: </dict>
// CHECK: </plist> // CHECK: </plist>