[cfe-commits] r71182 - in /cfe/trunk: include/clang/Parse/AttributeList.h lib/Analysis/GRExprEngineInternalChecks.cpp lib/Parse/AttributeList.cpp lib/Sema/SemaDeclAttr.cpp test/Analysis/retain-release-gc-only.m test/Analysis/retain-release.m
Ted Kremenek
kremenek at apple.com
Thu May 7 14:49:45 PDT 2009
Author: kremenek
Date: Thu May 7 16:49:45 2009
New Revision: 71182
URL: http://llvm.org/viewvc/llvm-project?rev=71182&view=rev
Log:
More attribute renaming:
- Rename 'ns_returns_owned' -> 'ns_returns_retained'.
- Rename 'cf_returns_owned' -> 'cf_returns_retained'.
Modified:
cfe/trunk/include/clang/Parse/AttributeList.h
cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp
cfe/trunk/lib/Parse/AttributeList.cpp
cfe/trunk/lib/Sema/SemaDeclAttr.cpp
cfe/trunk/test/Analysis/retain-release-gc-only.m
cfe/trunk/test/Analysis/retain-release.m
Modified: cfe/trunk/include/clang/Parse/AttributeList.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Parse/AttributeList.h?rev=71182&r1=71181&r2=71182&view=diff
==============================================================================
--- cfe/trunk/include/clang/Parse/AttributeList.h (original)
+++ cfe/trunk/include/clang/Parse/AttributeList.h Thu May 7 16:49:45 2009
@@ -78,11 +78,11 @@
AT_objc_exception,
AT_cf_releases, // Clang-specific.
AT_cf_retains, // Clang-specific.
- AT_cf_returns_owned, // Clang-specific.
+ AT_cf_returns_retained, // Clang-specific.
AT_ns_autoreleases, // Clang-specific.
AT_ns_releases, // Clang-specific.
AT_ns_retains, // Clang-specific.
- AT_ns_returns_owned, // Clang-specific.
+ AT_ns_returns_retained, // Clang-specific.
AT_objc_gc,
AT_overloadable, // Clang-specific.
AT_packed,
Modified: cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp?rev=71182&r1=71181&r2=71182&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp (original)
+++ cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp Thu May 7 16:49:45 2009
@@ -525,6 +525,65 @@
//===----------------------------------------------------------------------===//
namespace {
+#if 0
+class VISIBILITY_HIDDEN TrackValueBRVisitor : public BugReporterVisitor {
+ SVal V;
+ Stmt *S;
+ const MemRegion *R;
+public:
+ TrackValueBRVisitor(SVal v, Stmt *s) : V(v), S(s), R(0) {}
+
+ PathDiagnosticPiece* VisitNode(const ExplodedNode<GRState> *N,
+ const ExplodedNode<GRState> *PrevN,
+ BugReporterContext& BRC) {
+
+ // Not at a expression?
+ if (!isa<PostStmt>(N->getLocation())) {
+ S = 0;
+ return NULL;
+ }
+
+ if (S)
+ return VisitNodeExpr(N, PrevN, BRC);
+ else if (R)
+ return VisitNodeRegion(N, PrevN, BRC);
+
+ return NULL;
+ }
+
+ PathDiagnosticPiece* VisitNodeExpr(const ExplodedNode<GRState> *N,
+ const ExplodedNode<GRState> *PrevN,
+ BugReporterContext& BRC) {
+
+ assert(S);
+ PostStmt P = cast<PostStmt>(N->getLocation());
+ Stmt *X = P.getStmt();
+
+ // Generate the subexpression path.
+ llvm::SmallVector<Stmt*, 4> SubExprPath;
+ ParentMap &PM = BRC.getParentMap();
+
+ for ( ; X && X != S ; X = X.getParent(X)) {
+ if (isa<ParenExpr>(X))
+ continue;
+
+ SubExprPath.push_back(L);
+ }
+
+ // Lost track? (X is not a subexpression of S).
+ if (X != S) {
+ S = NULL;
+ return NULL;
+ }
+
+ // Now go down the subexpression path!
+
+
+
+ }
+};
+#endif
+
class VISIBILITY_HIDDEN TrackConstraintBRVisitor : public BugReporterVisitor {
SVal Constraint;
const bool Assumption;
@@ -533,8 +592,8 @@
TrackConstraintBRVisitor(SVal constraint, bool assumption)
: Constraint(constraint), Assumption(assumption), isSatisfied(false) {}
- PathDiagnosticPiece* VisitNode(const ExplodedNode<GRState>* N,
- const ExplodedNode<GRState>* PrevN,
+ PathDiagnosticPiece* VisitNode(const ExplodedNode<GRState> *N,
+ const ExplodedNode<GRState> *PrevN,
BugReporterContext& BRC) {
if (isSatisfied)
return NULL;
@@ -624,7 +683,7 @@
// base value that was dereferenced.
// assert(!V.isUnknownOrUndef());
- // For now just track when a symbolic value became null.
+ // Is it a symbolic value?
if (loc::MemRegionVal *L = dyn_cast<loc::MemRegionVal>(&V)) {
const SubRegion *R = cast<SubRegion>(L->getRegion());
while (R && !isa<SymbolicRegion>(R)) {
@@ -634,8 +693,13 @@
if (R) {
assert(isa<SymbolicRegion>(R));
registerTrackConstraint(BRC, loc::MemRegionVal(R), false);
+// registerTrackValue(BRC, S, V, N);
}
}
+
+ // Was it a hard integer?
+// if (isa<nonloc::ConcreteInt>(V))
+// registerTrackValue(BRC, S, V, N);
}
//===----------------------------------------------------------------------===//
Modified: cfe/trunk/lib/Parse/AttributeList.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/AttributeList.cpp?rev=71182&r1=71181&r2=71182&view=diff
==============================================================================
--- cfe/trunk/lib/Parse/AttributeList.cpp (original)
+++ cfe/trunk/lib/Parse/AttributeList.cpp Thu May 7 16:49:45 2009
@@ -131,10 +131,6 @@
if (!memcmp(Str, "ext_vector_type", 15)) return AT_ext_vector_type;
if (!memcmp(Str, "ns_autoreleases", 15)) return AT_ns_autoreleases;
break;
- case 16:
- if (!memcmp(Str, "ns_returns_owned", 16)) return AT_ns_returns_owned;
- if (!memcmp(Str, "cf_returns_owned", 16)) return AT_cf_returns_owned;
- break;
case 17:
if (!memcmp(Str, "transparent_union", 17)) return AT_transparent_union;
if (!memcmp(Str, "analyzer_noreturn", 17)) return AT_analyzer_noreturn;
@@ -142,6 +138,10 @@
case 18:
if (!memcmp(Str, "warn_unused_result", 18)) return AT_warn_unused_result;
break;
+ case 19:
+ if (!memcmp(Str, "ns_returns_retained", 19)) return AT_ns_returns_retained;
+ if (!memcmp(Str, "cf_returns_retained", 19)) return AT_cf_returns_retained;
+ break;
case 22:
if (!memcmp(Str, "no_instrument_function", 22))
return AT_no_instrument_function;
Modified: cfe/trunk/lib/Sema/SemaDeclAttr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclAttr.cpp?rev=71182&r1=71181&r2=71182&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclAttr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclAttr.cpp Thu May 7 16:49:45 2009
@@ -1557,10 +1557,10 @@
default:
assert(0 && "invalid ownership attribute");
return;
- case AttributeList::AT_cf_returns_owned:
- name = "cf_returns_owned"; break;
- case AttributeList::AT_ns_returns_owned:
- name = "ns_returns_owned"; break;
+ case AttributeList::AT_cf_returns_retained:
+ name = "cf_returns_retained"; break;
+ case AttributeList::AT_ns_returns_retained:
+ name = "ns_returns_retained"; break;
};
S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type) <<
@@ -1572,10 +1572,10 @@
default:
assert(0 && "invalid ownership attribute");
return;
- case AttributeList::AT_cf_returns_owned:
+ case AttributeList::AT_cf_returns_retained:
d->addAttr(::new (S.Context) CFOwnershipReturnsAttr());
return;
- case AttributeList::AT_ns_returns_owned:
+ case AttributeList::AT_ns_returns_retained:
d->addAttr(::new (S.Context) NSOwnershipReturnsAttr());
return;
};
@@ -1676,8 +1676,8 @@
case AttributeList::AT_ns_releases:
case AttributeList::AT_ns_retains:
HandleNSOwnershipAttr(D, Attr, S, true); break;
- case AttributeList::AT_ns_returns_owned:
- case AttributeList::AT_cf_returns_owned:
+ case AttributeList::AT_ns_returns_retained:
+ case AttributeList::AT_cf_returns_retained:
HandleNSOwnershipReturnsAttr(D, Attr, S); break;
case AttributeList::AT_packed: HandlePackedAttr (D, Attr, S); break;
Modified: cfe/trunk/test/Analysis/retain-release-gc-only.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Analysis/retain-release-gc-only.m?rev=71182&r1=71181&r2=71182&view=diff
==============================================================================
--- cfe/trunk/test/Analysis/retain-release-gc-only.m (original)
+++ cfe/trunk/test/Analysis/retain-release-gc-only.m Thu May 7 16:49:45 2009
@@ -129,8 +129,8 @@
//===----------------------------------------------------------------------===//
@interface TestOwnershipAttr : NSObject
-- (NSString*) returnsAnOwnedString __attribute__((ns_returns_owned));
-- (NSString*) returnsAnOwnedCFString __attribute__((cf_returns_owned));
+- (NSString*) returnsAnOwnedString __attribute__((ns_returns_retained));
+- (NSString*) returnsAnOwnedCFString __attribute__((cf_returns_retained));
- (void) myRetain:(id)__attribute__((ns_retains))obj;
- (void) myCFRetain:(id)__attribute__((cf_retains))obj;
- (void) myRelease:(id)__attribute__((ns_releases))obj;
Modified: cfe/trunk/test/Analysis/retain-release.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Analysis/retain-release.m?rev=71182&r1=71181&r2=71182&view=diff
==============================================================================
--- cfe/trunk/test/Analysis/retain-release.m (original)
+++ cfe/trunk/test/Analysis/retain-release.m Thu May 7 16:49:45 2009
@@ -431,8 +431,8 @@
//===----------------------------------------------------------------------===//
@interface TestOwnershipAttr : NSObject
-- (NSString*) returnsAnOwnedString __attribute__((ns_returns_owned));
-- (NSString*) returnsAnOwnedCFString __attribute__((cf_returns_owned));
+- (NSString*) returnsAnOwnedString __attribute__((ns_returns_retained));
+- (NSString*) returnsAnOwnedCFString __attribute__((cf_returns_retained));
- (void) myRetain:(id)__attribute__((ns_retains))obj;
- (void) myCFRetain:(id)__attribute__((cf_retains))obj;
- (void) myRelease:(id)__attribute__((ns_releases))obj;
@@ -445,7 +445,7 @@
@interface TestAttrHelper : NSObject
- (NSString*) createString:(TestOwnershipAttr*)X;
-- (NSString*) createStringAttr:(TestOwnershipAttr*)X __attribute__((ns_returns_owned));
+- (NSString*) createStringAttr:(TestOwnershipAttr*)X __attribute__((ns_returns_retained));
@end
@implementation TestAttrHelper
@@ -465,7 +465,7 @@
NSString *str = [X returnsAnOwnedCFString]; // expected-warning{{leak}}
}
-__attribute__((ns_returns_owned))
+__attribute__((ns_returns_retained))
NSString* test_attr_1c(TestOwnershipAttr *X) {
NSString *str = [X returnsAnOwnedString]; // no-warning
return str;
@@ -473,7 +473,7 @@
void test_attr_1d_helper(NSString* str __attribute__((ns_retains)));
-__attribute__((ns_returns_owned))
+__attribute__((ns_returns_retained))
NSString* test_attr_1d(TestOwnershipAttr *X) {
NSString *str = [X returnsAnOwnedString]; // expected-warning{{leak}}
test_attr_1d_helper(str);
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