forked from OSchip/llvm-project
953 lines
29 KiB
C++
953 lines
29 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -Wconsumed -fcxx-exceptions -std=c++11 %s
|
|
|
|
// TODO: Switch to using macros for the expected warnings.
|
|
|
|
#define CALLABLE_WHEN(...) __attribute__ ((callable_when(__VA_ARGS__)))
|
|
#define CONSUMABLE(state) __attribute__ ((consumable(state)))
|
|
#define PARAM_TYPESTATE(state) __attribute__ ((param_typestate(state)))
|
|
#define RETURN_TYPESTATE(state) __attribute__ ((return_typestate(state)))
|
|
#define SET_TYPESTATE(state) __attribute__ ((set_typestate(state)))
|
|
#define TEST_TYPESTATE(state) __attribute__ ((test_typestate(state)))
|
|
|
|
typedef decltype(nullptr) nullptr_t;
|
|
|
|
template <typename T>
|
|
class CONSUMABLE(unconsumed) ConsumableClass {
|
|
T var;
|
|
|
|
public:
|
|
ConsumableClass();
|
|
ConsumableClass(nullptr_t p) RETURN_TYPESTATE(consumed);
|
|
ConsumableClass(T val) RETURN_TYPESTATE(unconsumed);
|
|
ConsumableClass(ConsumableClass<T> &other);
|
|
ConsumableClass(ConsumableClass<T> &&other);
|
|
|
|
ConsumableClass<T>& operator=(ConsumableClass<T> &other);
|
|
ConsumableClass<T>& operator=(ConsumableClass<T> &&other);
|
|
ConsumableClass<T>& operator=(nullptr_t) SET_TYPESTATE(consumed);
|
|
|
|
template <typename U>
|
|
ConsumableClass<T>& operator=(ConsumableClass<U> &other);
|
|
|
|
template <typename U>
|
|
ConsumableClass<T>& operator=(ConsumableClass<U> &&other);
|
|
|
|
void operator()(int a) SET_TYPESTATE(consumed);
|
|
void operator*() const CALLABLE_WHEN("unconsumed");
|
|
void unconsumedCall() const CALLABLE_WHEN("unconsumed");
|
|
void callableWhenUnknown() const CALLABLE_WHEN("unconsumed", "unknown");
|
|
|
|
bool isValid() const TEST_TYPESTATE(unconsumed);
|
|
operator bool() const TEST_TYPESTATE(unconsumed);
|
|
bool operator!=(nullptr_t) const TEST_TYPESTATE(unconsumed);
|
|
bool operator==(nullptr_t) const TEST_TYPESTATE(consumed);
|
|
|
|
void constCall() const;
|
|
void nonconstCall();
|
|
|
|
void consume() SET_TYPESTATE(consumed);
|
|
void unconsume() SET_TYPESTATE(unconsumed);
|
|
};
|
|
|
|
class CONSUMABLE(unconsumed) DestructorTester {
|
|
public:
|
|
DestructorTester();
|
|
DestructorTester(int);
|
|
|
|
void operator*() CALLABLE_WHEN("unconsumed");
|
|
|
|
~DestructorTester() CALLABLE_WHEN("consumed");
|
|
};
|
|
|
|
void baf0(const ConsumableClass<int> var);
|
|
void baf1(const ConsumableClass<int> &var);
|
|
void baf2(const ConsumableClass<int> *var);
|
|
|
|
void baf3(ConsumableClass<int> var);
|
|
void baf4(ConsumableClass<int> &var);
|
|
void baf5(ConsumableClass<int> *var);
|
|
void baf6(ConsumableClass<int> &&var);
|
|
|
|
ConsumableClass<int> returnsUnconsumed() {
|
|
return ConsumableClass<int>(); // expected-warning {{return value not in expected state; expected 'unconsumed', observed 'consumed'}}
|
|
}
|
|
|
|
ConsumableClass<int> returnsConsumed() RETURN_TYPESTATE(consumed);
|
|
ConsumableClass<int> returnsConsumed() {
|
|
return ConsumableClass<int>();
|
|
}
|
|
|
|
ConsumableClass<int> returnsUnknown() RETURN_TYPESTATE(unknown);
|
|
|
|
void testInitialization() {
|
|
ConsumableClass<int> var0;
|
|
ConsumableClass<int> var1 = ConsumableClass<int>();
|
|
ConsumableClass<int> var2(42);
|
|
ConsumableClass<int> var3(var2); // copy constructor
|
|
ConsumableClass<int> var4(var0); // copy consumed value
|
|
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
*var2;
|
|
*var3;
|
|
*var4; // expected-warning {{invalid invocation of method 'operator*' on object 'var4' while it is in the 'consumed' state}}
|
|
|
|
var0 = ConsumableClass<int>(42);
|
|
*var0;
|
|
|
|
var0 = var1;
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
|
|
if (var0.isValid()) {
|
|
*var0;
|
|
*var1;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
}
|
|
}
|
|
|
|
void testDestruction() {
|
|
DestructorTester D0(42), D1(42), D2;
|
|
|
|
*D0;
|
|
*D1;
|
|
*D2; // expected-warning {{invalid invocation of method 'operator*' on object 'D2' while it is in the 'consumed' state}}
|
|
|
|
D0.~DestructorTester(); // expected-warning {{invalid invocation of method '~DestructorTester' on object 'D0' while it is in the 'unconsumed' state}}
|
|
|
|
return; // expected-warning {{invalid invocation of method '~DestructorTester' on object 'D0' while it is in the 'unconsumed' state}} \
|
|
expected-warning {{invalid invocation of method '~DestructorTester' on object 'D1' while it is in the 'unconsumed' state}}
|
|
}
|
|
|
|
void testTempValue() {
|
|
*ConsumableClass<int>(); // expected-warning {{invalid invocation of method 'operator*' on a temporary object while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testSimpleRValueRefs() {
|
|
ConsumableClass<int> var0;
|
|
ConsumableClass<int> var1(42);
|
|
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1;
|
|
|
|
var0 = static_cast<ConsumableClass<int>&&>(var1);
|
|
|
|
*var0;
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testIfStmt() {
|
|
ConsumableClass<int> var;
|
|
|
|
if (var.isValid()) {
|
|
*var;
|
|
} else {
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (!var.isValid()) {
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
} else {
|
|
*var;
|
|
}
|
|
|
|
if (var) {
|
|
// Empty
|
|
} else {
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (var != nullptr) {
|
|
// Empty
|
|
} else {
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (var == nullptr) {
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
} else {
|
|
// Empty
|
|
}
|
|
}
|
|
|
|
void testComplexConditionals0() {
|
|
ConsumableClass<int> var0, var1, var2;
|
|
|
|
if (var0 && var1) {
|
|
*var0;
|
|
*var1;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (var0 || var1) {
|
|
*var0;
|
|
*var1;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (var0 && !var1) {
|
|
*var0;
|
|
*var1;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (var0 || !var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (!var0 && !var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (!var0 || !var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (!(var0 && var1)) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (!(var0 || var1)) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (var0 && var1 && var2) {
|
|
*var0;
|
|
*var1;
|
|
*var2;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
#if 0
|
|
// FIXME: Get this test to pass.
|
|
if (var0 || var1 || var2) {
|
|
*var0;
|
|
*var1;
|
|
*var2;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'consumed' state}}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void testComplexConditionals1() {
|
|
ConsumableClass<int> var0, var1, var2;
|
|
|
|
// Coerce all variables into the unknown state.
|
|
baf4(var0);
|
|
baf4(var1);
|
|
baf4(var2);
|
|
|
|
if (var0 && var1) {
|
|
*var0;
|
|
*var1;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
if (var0 || var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
if (var0 && !var1) {
|
|
*var0;
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
if (var0 || !var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1;
|
|
}
|
|
|
|
if (!var0 && !var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
if (!(var0 || var1)) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
if (!var0 || !var1) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (!(var0 && var1)) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
|
|
} else {
|
|
*var0;
|
|
*var1;
|
|
}
|
|
|
|
if (var0 && var1 && var2) {
|
|
*var0;
|
|
*var1;
|
|
*var2;
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
#if 0
|
|
// FIXME: Get this test to pass.
|
|
if (var0 || var1 || var2) {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
|
|
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'unknown' state}}
|
|
|
|
} else {
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'consumed' state}}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void testStateChangeInBranch() {
|
|
ConsumableClass<int> var;
|
|
|
|
// Make var enter the 'unknown' state.
|
|
baf4(var);
|
|
|
|
if (!var) {
|
|
var = ConsumableClass<int>(42);
|
|
}
|
|
|
|
*var;
|
|
}
|
|
|
|
void testFunctionParam(ConsumableClass<int> param) {
|
|
|
|
if (param.isValid()) {
|
|
*param;
|
|
} else {
|
|
*param;
|
|
}
|
|
|
|
param = nullptr;
|
|
*param; // expected-warning {{invocation of method 'operator*' on object 'param' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testParamReturnTypestateCallee(bool cond, ConsumableClass<int> &Param RETURN_TYPESTATE(unconsumed)) { // expected-warning {{parameter 'Param' not in expected state when the function returns: expected 'unconsumed', observed 'consumed'}}
|
|
|
|
if (cond) {
|
|
Param.consume();
|
|
return; // expected-warning {{parameter 'Param' not in expected state when the function returns: expected 'unconsumed', observed 'consumed'}}
|
|
}
|
|
|
|
Param.consume();
|
|
}
|
|
|
|
void testParamReturnTypestateCaller() {
|
|
ConsumableClass<int> var;
|
|
|
|
testParamReturnTypestateCallee(true, var);
|
|
|
|
*var;
|
|
}
|
|
|
|
void testParamTypestateCallee(ConsumableClass<int> Param0 PARAM_TYPESTATE(consumed),
|
|
ConsumableClass<int> &Param1 PARAM_TYPESTATE(consumed)) {
|
|
|
|
*Param0; // expected-warning {{invalid invocation of method 'operator*' on object 'Param0' while it is in the 'consumed' state}}
|
|
*Param1; // expected-warning {{invalid invocation of method 'operator*' on object 'Param1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testParamTypestateCaller() {
|
|
ConsumableClass<int> Var0, Var1(42);
|
|
|
|
testParamTypestateCallee(Var0, Var1); // expected-warning {{argument not in expected state; expected 'consumed', observed 'unconsumed'}}
|
|
}
|
|
|
|
|
|
void consumeFunc(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
|
|
struct ParamTest {
|
|
static void consumeFuncStatic(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
|
|
void consumeFuncMeth(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
|
|
void operator<<(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
|
|
};
|
|
|
|
void operator>>(ParamTest& pt, ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
|
|
|
|
|
|
void testFunctionParams() {
|
|
// Make sure we handle the different kinds of functions.
|
|
ConsumableClass<int> P;
|
|
|
|
consumeFunc(P); // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
|
|
ParamTest::consumeFuncStatic(P); // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
|
|
ParamTest pt;
|
|
pt.consumeFuncMeth(P); // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
|
|
pt << P; // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
|
|
pt >> P; // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
|
|
}
|
|
|
|
void baf3(ConsumableClass<int> var) {
|
|
*var;
|
|
}
|
|
|
|
void baf4(ConsumableClass<int> &var) {
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
void baf6(ConsumableClass<int> &&var) {
|
|
*var;
|
|
}
|
|
|
|
void testCallingConventions() {
|
|
ConsumableClass<int> var(42);
|
|
|
|
baf0(var);
|
|
*var;
|
|
|
|
baf1(var);
|
|
*var;
|
|
|
|
baf2(&var);
|
|
*var;
|
|
|
|
baf4(var);
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'unknown' state}}
|
|
|
|
var = ConsumableClass<int>(42);
|
|
baf5(&var);
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'unknown' state}}
|
|
|
|
var = ConsumableClass<int>(42);
|
|
baf6(static_cast<ConsumableClass<int>&&>(var));
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testConstAndNonConstMemberFunctions() {
|
|
ConsumableClass<int> var(42);
|
|
|
|
var.constCall();
|
|
*var;
|
|
|
|
var.nonconstCall();
|
|
*var;
|
|
}
|
|
|
|
void testFunctionParam0(ConsumableClass<int> param) {
|
|
*param;
|
|
}
|
|
|
|
void testFunctionParam1(ConsumableClass<int> ¶m) {
|
|
*param; // expected-warning {{invalid invocation of method 'operator*' on object 'param' while it is in the 'unknown' state}}
|
|
}
|
|
|
|
void testReturnStates() {
|
|
ConsumableClass<int> var;
|
|
|
|
var = returnsUnconsumed();
|
|
*var;
|
|
|
|
var = returnsConsumed();
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testCallableWhen() {
|
|
ConsumableClass<int> var(42);
|
|
|
|
*var;
|
|
|
|
baf4(var);
|
|
|
|
var.callableWhenUnknown();
|
|
}
|
|
|
|
void testMoveAsignmentish() {
|
|
ConsumableClass<int> var0;
|
|
ConsumableClass<long> var1(42);
|
|
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
*var1;
|
|
|
|
var0 = static_cast<ConsumableClass<long>&&>(var1);
|
|
|
|
*var0;
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
|
|
var1 = ConsumableClass<long>(42);
|
|
var1 = nullptr;
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testConditionalMerge() {
|
|
ConsumableClass<int> var;
|
|
|
|
if (var.isValid()) {
|
|
// Empty
|
|
}
|
|
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
|
|
if (var.isValid()) {
|
|
// Empty
|
|
} else {
|
|
// Empty
|
|
}
|
|
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testSetTypestate() {
|
|
ConsumableClass<int> var(42);
|
|
|
|
*var;
|
|
|
|
var.consume();
|
|
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
|
|
var.unconsume();
|
|
|
|
*var;
|
|
}
|
|
|
|
void testConsumes0() {
|
|
ConsumableClass<int> var(nullptr);
|
|
|
|
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testConsumes1() {
|
|
ConsumableClass<int> var(42);
|
|
|
|
var.unconsumedCall();
|
|
var(6);
|
|
|
|
var.unconsumedCall(); // expected-warning {{invalid invocation of method 'unconsumedCall' on object 'var' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testUnreachableBlock() {
|
|
ConsumableClass<int> var(42);
|
|
|
|
if (var) {
|
|
*var;
|
|
} else {
|
|
*var;
|
|
}
|
|
|
|
*var;
|
|
}
|
|
|
|
|
|
void testForLoop1() {
|
|
ConsumableClass<int> var0, var1(42);
|
|
|
|
for (int i = 0; i < 10; ++i) { // expected-warning {{state of variable 'var1' must match at the entry and exit of loop}}
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
|
|
*var1;
|
|
var1.consume();
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
void testWhileLoop1() {
|
|
int i = 10;
|
|
|
|
ConsumableClass<int> var0, var1(42);
|
|
|
|
while (i-- > 0) { // expected-warning {{state of variable 'var1' must match at the entry and exit of loop}}
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
|
|
*var1;
|
|
var1.consume();
|
|
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
|
|
}
|
|
|
|
// Tests if state information is correctly discarded for certain shapes of CFGs.
|
|
void testSwitchGOTO(void) {
|
|
int a;
|
|
|
|
LABEL0:
|
|
switch (a)
|
|
case 0:
|
|
goto LABEL0;
|
|
|
|
goto LABEL0;
|
|
}
|
|
|
|
typedef const int*& IntegerPointerReference;
|
|
void testIsRValueRefishAndCanonicalType(IntegerPointerReference a) {}
|
|
|
|
namespace ContinueICETest {
|
|
|
|
bool cond1();
|
|
bool cond2();
|
|
|
|
static void foo1() {
|
|
while (cond1()) {
|
|
if (cond2())
|
|
continue;
|
|
}
|
|
}
|
|
|
|
static void foo2() {
|
|
while (true) {
|
|
if (false)
|
|
continue;
|
|
}
|
|
}
|
|
|
|
class runtime_error
|
|
{
|
|
public:
|
|
virtual ~runtime_error();
|
|
};
|
|
|
|
void read(bool sf) {
|
|
while (sf) {
|
|
if(sf) throw runtime_error();
|
|
}
|
|
}
|
|
|
|
} // end namespace ContinueICETest
|
|
|
|
|
|
namespace StatusUseCaseTests {
|
|
|
|
class CONSUMABLE(unconsumed)
|
|
__attribute__((consumable_auto_cast_state))
|
|
__attribute__((consumable_set_state_on_read))
|
|
Status {
|
|
int code;
|
|
|
|
public:
|
|
static Status OK;
|
|
|
|
Status() RETURN_TYPESTATE(consumed);
|
|
Status(int c) RETURN_TYPESTATE(unconsumed);
|
|
|
|
Status(const Status &other);
|
|
Status(Status &&other);
|
|
|
|
Status& operator=(const Status &other) CALLABLE_WHEN("unknown", "consumed");
|
|
Status& operator=(Status &&other) CALLABLE_WHEN("unknown", "consumed");
|
|
|
|
bool operator==(const Status &other) const SET_TYPESTATE(consumed);
|
|
|
|
bool check() const SET_TYPESTATE(consumed);
|
|
void ignore() const SET_TYPESTATE(consumed);
|
|
// Status& markAsChecked() { return *this; }
|
|
|
|
void clear() CALLABLE_WHEN("unknown", "consumed") SET_TYPESTATE(consumed);
|
|
|
|
~Status() CALLABLE_WHEN("unknown", "consumed");
|
|
|
|
operator bool() const; // Will not consume the object.
|
|
};
|
|
|
|
|
|
bool cond();
|
|
Status doSomething();
|
|
void handleStatus(const Status& s RETURN_TYPESTATE(consumed));
|
|
void handleStatusRef(Status& s);
|
|
void handleStatusPtr(Status* s);
|
|
void handleStatusUnmarked(const Status& s);
|
|
|
|
void log(const char* msg);
|
|
void fail() __attribute__((noreturn));
|
|
void checkStat(const Status& s);
|
|
|
|
|
|
void testSimpleTemporaries0() {
|
|
doSomething(); // expected-warning {{invalid invocation of method '~Status' on a temporary object while it is in the 'unconsumed' state}}
|
|
}
|
|
|
|
void testSimpleTemporaries1() {
|
|
doSomething().ignore();
|
|
}
|
|
|
|
void testSimpleTemporaries2() {
|
|
handleStatus(doSomething());
|
|
}
|
|
|
|
void testSimpleTemporaries3() {
|
|
Status s = doSomething();
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesWithControlFlow(bool a) {
|
|
bool b = false || doSomething(); // expected-warning {{invalid invocation of method '~Status' on a temporary object while it is in the 'unconsumed' state}}
|
|
}
|
|
|
|
Status testSimpleTemporariesReturn0() {
|
|
return doSomething();
|
|
}
|
|
|
|
Status testSimpleTemporariesReturn1() {
|
|
Status s = doSomething();
|
|
return s;
|
|
}
|
|
|
|
void testSimpleTemporaries4() {
|
|
Status s = doSomething();
|
|
s.check();
|
|
}
|
|
|
|
void testSimpleTemporaries5() {
|
|
Status s = doSomething();
|
|
s.clear(); // expected-warning {{invalid invocation of method 'clear' on object 's' while it is in the 'unconsumed' state}}
|
|
}
|
|
|
|
void testSimpleTemporaries6() {
|
|
Status s1 = doSomething();
|
|
handleStatus(s1);
|
|
|
|
Status s2 = doSomething();
|
|
handleStatusRef(s2);
|
|
|
|
Status s3 = doSomething();
|
|
handleStatusPtr(&s3);
|
|
|
|
Status s4 = doSomething();
|
|
handleStatusUnmarked(s4);
|
|
}
|
|
|
|
void testSimpleTemporaries7() {
|
|
Status s;
|
|
s = doSomething();
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesWithConditionals0() {
|
|
int a;
|
|
|
|
Status s = doSomething();
|
|
if (cond()) a = 0;
|
|
else a = 1;
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesWithConditionals1() {
|
|
int a;
|
|
|
|
Status s = doSomething();
|
|
if (cond()) a = 0;
|
|
else a = 1;
|
|
s.ignore();
|
|
}
|
|
|
|
void testTemporariesWithConditionals2() {
|
|
int a;
|
|
|
|
Status s = doSomething();
|
|
s.ignore();
|
|
if (cond()) a = 0;
|
|
else a = 1;
|
|
}
|
|
|
|
void testTemporariesWithConditionals3() {
|
|
Status s = doSomething();
|
|
if (cond()) {
|
|
s.check();
|
|
}
|
|
}
|
|
|
|
void testTemporariesAndConstructors0() {
|
|
Status s(doSomething()); // Test the copy constructor.
|
|
s.check();
|
|
}
|
|
|
|
void testTemporariesAndConstructors1F() {
|
|
Status s1 = doSomething(); // Test the copy constructor.
|
|
Status s2 = s1;
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesAndConstructors1S() {
|
|
Status s1 = doSomething(); // Test the copy constructor.
|
|
Status s2(s1);
|
|
s2.check();
|
|
}
|
|
|
|
void testTemporariesAndConstructors2F() {
|
|
// Test the move constructor.
|
|
Status s1 = doSomething();
|
|
Status s2 = static_cast<Status&&>(s1);
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesAndConstructors2S() {
|
|
// Test the move constructor.
|
|
Status s1 = doSomething();
|
|
Status s2 = static_cast<Status&&>(s1);
|
|
s2.check();
|
|
}
|
|
|
|
void testTemporariesAndOperators0F() {
|
|
// Test the assignment operator.
|
|
Status s1 = doSomething();
|
|
Status s2;
|
|
s2 = s1;
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesAndOperators0S() {
|
|
// Test the assignment operator.
|
|
Status s1 = doSomething();
|
|
Status s2;
|
|
s2 = s1;
|
|
s2.check();
|
|
}
|
|
|
|
void testTemporariesAndOperators1F() {
|
|
// Test the move assignment operator.
|
|
Status s1 = doSomething();
|
|
Status s2;
|
|
s2 = static_cast<Status&&>(s1);
|
|
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
|
|
|
|
void testTemporariesAndOperators1S() {
|
|
// Test the move assignment operator.
|
|
Status s1 = doSomething();
|
|
Status s2;
|
|
s2 = static_cast<Status&&>(s1);
|
|
s2.check();
|
|
}
|
|
|
|
void testTemporariesAndOperators2() {
|
|
Status s1 = doSomething();
|
|
Status s2 = doSomething();
|
|
s1 = s2; // expected-warning {{invalid invocation of method 'operator=' on object 's1' while it is in the 'unconsumed' state}}
|
|
s1.check();
|
|
s2.check();
|
|
}
|
|
|
|
Status testReturnAutocast() {
|
|
Status s = doSomething();
|
|
s.check(); // consume s
|
|
return s; // should autocast back to unconsumed
|
|
}
|
|
|
|
|
|
namespace TestParens {
|
|
|
|
void test3() {
|
|
checkStat((doSomething()));
|
|
}
|
|
|
|
void test4() {
|
|
Status s = (doSomething());
|
|
s.check();
|
|
}
|
|
|
|
void test5() {
|
|
(doSomething()).check();
|
|
}
|
|
|
|
void test6() {
|
|
if ((doSomething()) == Status::OK)
|
|
return;
|
|
}
|
|
|
|
} // end namespace TestParens
|
|
|
|
} // end namespace InitializerAssertionFailTest
|
|
|
|
|
|
namespace std {
|
|
void move();
|
|
template<class T>
|
|
void move(T&&);
|
|
|
|
namespace __1 {
|
|
void move();
|
|
template<class T>
|
|
void move(T&&);
|
|
}
|
|
}
|
|
|
|
namespace PR18260 {
|
|
class X {
|
|
public:
|
|
void move();
|
|
} x;
|
|
|
|
void test() {
|
|
x.move();
|
|
std::move();
|
|
std::move(x);
|
|
std::__1::move();
|
|
std::__1::move(x);
|
|
}
|
|
} // end namespace PR18260
|
|
|