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// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -fobjc-arc -analyzer-ipa=inlining -analyzer-config c++-inlining=constructors -Wno-null-dereference -verify %s
void clang_analyzer_eval(bool);
void clang_analyzer_checkInlined(bool);
struct Wrapper {
__strong id obj;
};
void test() {
Wrapper w;
// force a diagnostic
*(char *)0 = 1; // expected-warning{{Dereference of null pointer}}
}
struct IntWrapper {
int x;
};
void testCopyConstructor() {
IntWrapper a;
a.x = 42;
IntWrapper b(a);
clang_analyzer_eval(b.x == 42); // expected-warning{{TRUE}}
}
struct NonPODIntWrapper {
int x;
virtual int get();
};
void testNonPODCopyConstructor() {
NonPODIntWrapper a;
a.x = 42;
NonPODIntWrapper b(a);
clang_analyzer_eval(b.x == 42); // expected-warning{{TRUE}}
}
namespace ConstructorVirtualCalls {
class A {
public:
int *out1, *out2, *out3;
virtual int get() { return 1; }
A(int *out1) {
*out1 = get();
}
};
class B : public A {
public:
virtual int get() { return 2; }
B(int *out1, int *out2) : A(out1) {
*out2 = get();
}
};
class C : public B {
public:
virtual int get() { return 3; }
C(int *out1, int *out2, int *out3) : B(out1, out2) {
*out3 = get();
}
};
void test() {
int a, b, c;
C obj(&a, &b, &c);
clang_analyzer_eval(a == 1); // expected-warning{{TRUE}}
clang_analyzer_eval(b == 2); // expected-warning{{TRUE}}
clang_analyzer_eval(c == 3); // expected-warning{{TRUE}}
clang_analyzer_eval(obj.get() == 3); // expected-warning{{TRUE}}
// Sanity check for devirtualization.
A *base = &obj;
clang_analyzer_eval(base->get() == 3); // expected-warning{{TRUE}}
}
}
namespace TemporaryConstructor {
class BoolWrapper {
public:
BoolWrapper() {
clang_analyzer_checkInlined(true); // expected-warning{{TRUE}}
value = true;
}
bool value;
};
void test() {
// PR13717 - Don't crash when a CXXTemporaryObjectExpr is inlined.
if (BoolWrapper().value)
return;
}
}
namespace ConstructorUsedAsRValue {
using TemporaryConstructor::BoolWrapper;
bool extractValue(BoolWrapper b) {
return b.value;
}
void test() {
bool result = extractValue(BoolWrapper());
clang_analyzer_eval(result); // expected-warning{{TRUE}}
}
}
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