forked from OSchip/llvm-project
103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
// RUN: %clang_cc1 -fblocks -verify %s
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/**
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* Test 'noderef' attribute with c++ constructs.
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*/
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#define NODEREF __attribute__((noderef))
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void Normal() {
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int NODEREF i; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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int NODEREF *i_ptr; // expected-note 2 {{i_ptr declared here}}
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int NODEREF **i_ptr2; // ok
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int *NODEREF i_ptr3; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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int *NODEREF *i_ptr4; // ok
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auto NODEREF *auto_i_ptr = i_ptr;
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auto NODEREF auto_i = i; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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struct {
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int x;
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int y;
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} NODEREF *s;
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int __attribute__((noderef(10))) * no_args; // expected-error{{'noderef' attribute takes no arguments}}
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int i2 = *i_ptr; // expected-warning{{dereferencing i_ptr; was declared with a 'noderef' type}}
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int &i3 = *i_ptr; // expected-warning{{dereferencing i_ptr; was declared with a 'noderef' type}}
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int *i_ptr5 = i_ptr; // expected-warning{{casting to dereferenceable pointer removes 'noderef' attribute}}
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int *i_ptr6(i_ptr); // expected-warning{{casting to dereferenceable pointer removes 'noderef' attribute}}
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}
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const int NODEREF *const_i_ptr;
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static int NODEREF *static_i_ptr;
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void ParenTypes() {
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int NODEREF(*i_ptr); // ok (same as `int NODEREF *`)
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int NODEREF *(*i_ptr2); // ok (same as `int NODEREF **`)
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}
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// Function declarations
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int NODEREF func(); // expected-warning{{'noderef' can only be used on an array or pointer type}}
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int NODEREF *func2(); // ok (returning pointer)
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typedef int NODEREF (*func3)(int); // expected-warning{{'noderef' can only be used on an array or pointer type}}
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typedef int NODEREF *(*func4)(int);
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void Arrays() {
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int NODEREF i_arr[10]; // ok
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int NODEREF i_arr2[10][10]; // ok
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int NODEREF *i_arr3[10]; // ok
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int NODEREF i_arr4[] = {1, 2};
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}
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void ParenArrays() {
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int NODEREF(i_ptr[10]);
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int NODEREF(i_ptr2[10])[10];
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}
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typedef int NODEREF *(*func5[10])(int);
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// Arguments
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void func6(int NODEREF x); // expected-warning{{'noderef' can only be used on an array or pointer type}}
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void func7(int NODEREF *x);
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void func8() NODEREF;
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void References() {
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int x = 2;
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int NODEREF &y = x; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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int *xp = &x;
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int NODEREF *&a = xp; // ok (reference to a NODEREF *)
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int *NODEREF &b = xp; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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}
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void BlockPointers() {
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typedef int NODEREF (^IntBlock)(); // expected-warning{{'noderef' can only be used on an array or pointer type}}
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}
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class A {
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public:
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int member;
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int NODEREF *member2;
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int NODEREF member3; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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};
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void MemberPointer() {
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int NODEREF A::*var = &A::member; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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}
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template <class Ty>
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class B {
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Ty NODEREF *member;
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Ty NODEREF member2; // expected-warning{{'noderef' can only be used on an array or pointer type}}
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};
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void test_lambdas() {
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auto l = [](int NODEREF *x){ // expected-note{{x declared here}}
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return *x; // expected-warning{{dereferencing x; was declared with a 'noderef' type}}
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};
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}
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int NODEREF *glob_ptr; // expected-note{{glob_ptr declared here}}
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int glob_int = *glob_ptr; // expected-warning{{dereferencing glob_ptr; was declared with a 'noderef' type}}
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