1 // RUN: %clang_cc1 -std=c++0x -Wno-unused-value -fsyntax-only -verify -fblocks %s 2 3 namespace std { class type_info; }; 4 5 namespace ExplicitCapture { 6 class C { 7 int Member; 8 9 static void Overload(int); 10 void Overload(); 11 virtual C& Overload(float); 12 13 void ImplicitThisCapture() { 14 [](){(void)Member;}; // expected-error {{'this' cannot be implicitly captured in this context}} expected-error {{not supported yet}} 15 [&](){(void)Member;}; // expected-error {{not supported yet}} 16 // 'this' captures below don't actually work yet 17 [this](){(void)Member;}; // expected-error{{lambda expressions are not supported yet}} 18 [this]{[this]{};}; // expected-error 2{{lambda expressions are not supported yet}} 19 []{[this]{};};// expected-error {{'this' cannot be implicitly captured in this context}} expected-error 2 {{not supported yet}} 20 []{Overload(3);}; // expected-error {{not supported yet}} 21 []{Overload();}; // expected-error {{'this' cannot be implicitly captured in this context}} expected-error {{not supported yet}} 22 []{(void)typeid(Overload());};// expected-error {{not supported yet}} 23 []{(void)typeid(Overload(.5f));};// expected-error {{'this' cannot be implicitly captured in this context}} expected-error {{not supported yet}} 24 } 25 }; 26 27 void f() { 28 [this] () {}; // expected-error {{'this' cannot be captured in this context}} expected-error {{not supported yet}} 29 } 30 } 31 32 namespace ReturnDeduction { 33 void test() { 34 [](){ return 1; }; // expected-error {{not supported yet}} 35 [](){ return 1; }; // expected-error {{not supported yet}} 36 [](){ return ({return 1; 1;}); }; // expected-error {{not supported yet}} 37 [](){ return ({return 'c'; 1;}); }; // expected-error {{not supported yet}} expected-error {{must match previous return type}} 38 []()->int{ return 'c'; return 1; }; // expected-error {{not supported yet}} 39 [](){ return 'c'; return 1; }; // expected-error {{not supported yet}} expected-error {{must match previous return type}} 40 []() { return; return (void)0; }; // expected-error {{not supported yet}} 41 // FIXME: Need to check structure of lambda body 42 [](){ return 1; return 1; }; // expected-error {{not supported yet}} 43 } 44 } 45 46 namespace ImplicitCapture { 47 void test() { 48 int a = 0; // expected-note 5 {{declared}} 49 []() { return a; }; // expected-error {{variable 'a' cannot be implicitly captured in a lambda with no capture-default specified}} expected-note {{begins here}} expected-error {{not supported yet}} 50 [&]() { return a; }; // expected-error {{not supported yet}} 51 [=]() { return a; }; // expected-error {{not supported yet}} 52 [=]() { int* b = &a; }; // expected-error {{cannot initialize a variable of type 'int *' with an rvalue of type 'const int *'}} expected-error {{not supported yet}} 53 [=]() { return [&]() { return a; }; }; // expected-error 2 {{not supported yet}} 54 []() { return [&]() { return a; }; }; // expected-error {{variable 'a' cannot be implicitly captured in a lambda with no capture-default specified}} expected-note {{lambda expression begins here}} expected-error 2 {{not supported yet}} 55 []() { return ^{ return a; }; };// expected-error {{variable 'a' cannot be implicitly captured in a lambda with no capture-default specified}} expected-note {{lambda expression begins here}} expected-error {{not supported yet}} 56 []() { return [&a] { return a; }; }; // expected-error 2 {{variable 'a' cannot be implicitly captured in a lambda with no capture-default specified}} expected-note 2 {{lambda expression begins here}} expected-error 2 {{not supported yet}} 57 [=]() { return [&a] { return a; }; }; // expected-error 2 {{not supported yet}} 58 59 const int b = 2; 60 []() { return b; }; // expected-error {{not supported yet}} 61 62 union { // expected-note {{declared}} 63 int c; 64 float d; 65 }; 66 d = 3; 67 [=]() { return c; }; // expected-error {{unnamed variable cannot be implicitly captured in a lambda expression}} expected-error {{not supported yet}} 68 69 __block int e; // expected-note 3 {{declared}} 70 [&]() { return e; }; // expected-error {{__block variable 'e' cannot be captured in a lambda expression}} expected-error {{not supported yet}} 71 [&e]() { return e; }; // expected-error 2 {{__block variable 'e' cannot be captured in a lambda expression}} expected-error {{not supported yet}} 72 73 int f[10]; // expected-note {{declared}} 74 [&]() { return f[2]; }; // expected-error {{not supported yet}} 75 (void) ^{ return []() { return f[2]; }; }; // expected-error {{cannot refer to declaration with an array type inside block}} expected-error {{not supported yet}} 76 77 struct G { G(); G(G&); int a; }; // expected-note 6 {{not viable}} 78 G g; 79 [=]() { const G* gg = &g; return gg->a; }; // expected-error {{not supported yet}} 80 [=]() { return [=]{ const G* gg = &g; return gg->a; }(); }; // expected-error {{no matching constructor for initialization of 'const ImplicitCapture::G'}} expected-error 2 {{not supported yet}} 81 (void)^{ return [=]{ const G* gg = &g; return gg->a; }(); }; // expected-error 2 {{no matching constructor for initialization of 'const ImplicitCapture::G'}} expected-error {{not supported yet}} 82 83 const int h = a; // expected-note {{declared}} 84 []() { return h; }; // expected-error {{variable 'h' cannot be implicitly captured in a lambda with no capture-default specified}} expected-note {{lambda expression begins here}} expected-error {{not supported yet}} 85 } 86 } 87