1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -fms-extensions -verify -triple i686-pc-win32 %s 2 3 // Pointers to free functions 4 void free_func_default(); 5 void __cdecl free_func_cdecl(); 6 void __stdcall free_func_stdcall(); 7 void __fastcall free_func_fastcall(); 8 9 typedef void ( *fptr_default)(); 10 typedef void (__cdecl *fptr_cdecl)(); 11 typedef void (__stdcall *fptr_stdcall)(); 12 typedef void (__fastcall *fptr_fastcall)(); 13 14 // expected-note@+4 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'fptr_default' (aka 'void (*)()') for 1st argument}} 15 // expected-note@+3 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'fptr_default' (aka 'void (*)()') for 1st argument}} 16 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (*)() __attribute__((stdcall))' to 'fptr_default' (aka 'void (*)()') for 1st argument}} 17 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (*)() __attribute__((fastcall))' to 'fptr_default' (aka 'void (*)()') for 1st argument}} 18 void cb_fptr_default(fptr_default ptr); 19 // expected-note@+4 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'fptr_cdecl' (aka 'void (*)()') for 1st argument}} 20 // expected-note@+3 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'fptr_cdecl' (aka 'void (*)()') for 1st argument}} 21 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (*)() __attribute__((stdcall))' to 'fptr_cdecl' (aka 'void (*)()') for 1st argument}} 22 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (*)() __attribute__((fastcall))' to 'fptr_cdecl' (aka 'void (*)()') for 1st argument}} 23 void cb_fptr_cdecl(fptr_cdecl ptr); 24 // expected-note@+3 {{candidate function not viable: no known conversion from 'void ()' to 'fptr_stdcall' (aka 'void (*)() __attribute__((stdcall))') for 1st argument}} 25 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((cdecl))' to 'fptr_stdcall' (aka 'void (*)() __attribute__((stdcall))') for 1st argument}} 26 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'fptr_stdcall' (aka 'void (*)() __attribute__((stdcall))') for 1st argument}} 27 void cb_fptr_stdcall(fptr_stdcall ptr); 28 // expected-note@+3 {{candidate function not viable: no known conversion from 'void ()' to 'fptr_fastcall' (aka 'void (*)() __attribute__((fastcall))') for 1st argument}} 29 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((cdecl))' to 'fptr_fastcall' (aka 'void (*)() __attribute__((fastcall))') for 1st argument}} 30 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'fptr_fastcall' (aka 'void (*)() __attribute__((fastcall))') for 1st argument}} 31 void cb_fptr_fastcall(fptr_fastcall ptr); 32 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'const fptr_default' (aka 'void (*const)()') for 1st argument}} 33 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'const fptr_default' (aka 'void (*const)()') for 1st argument}} 34 void cb_fptr_const_default(const fptr_default ptr); 35 36 void call_free_func() { 37 cb_fptr_default(free_func_default); 38 cb_fptr_default(free_func_cdecl); 39 cb_fptr_default(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fptr_default'}} 40 cb_fptr_default(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fptr_default'}} 41 cb_fptr_default(&free_func_default); 42 cb_fptr_default(&free_func_cdecl); 43 cb_fptr_default(&free_func_stdcall); // expected-error {{no matching function for call to 'cb_fptr_default'}} 44 cb_fptr_default(&free_func_fastcall); // expected-error {{no matching function for call to 'cb_fptr_default'}} 45 46 cb_fptr_cdecl(free_func_default); 47 cb_fptr_cdecl(free_func_cdecl); 48 cb_fptr_cdecl(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fptr_cdecl'}} 49 cb_fptr_cdecl(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fptr_cdecl'}} 50 cb_fptr_cdecl(&free_func_default); 51 cb_fptr_cdecl(&free_func_cdecl); 52 cb_fptr_cdecl(&free_func_stdcall); // expected-error {{no matching function for call to 'cb_fptr_cdecl'}} 53 cb_fptr_cdecl(&free_func_fastcall); // expected-error {{no matching function for call to 'cb_fptr_cdecl'}} 54 55 cb_fptr_stdcall(free_func_default); // expected-error {{no matching function for call to 'cb_fptr_stdcall'}} 56 cb_fptr_stdcall(free_func_cdecl); // expected-error {{no matching function for call to 'cb_fptr_stdcall'}} 57 cb_fptr_stdcall(free_func_stdcall); 58 cb_fptr_stdcall(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fptr_stdcall'}} 59 60 cb_fptr_fastcall(free_func_default); // expected-error {{no matching function for call to 'cb_fptr_fastcall'}} 61 cb_fptr_fastcall(free_func_cdecl); // expected-error {{no matching function for call to 'cb_fptr_fastcall'}} 62 cb_fptr_fastcall(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fptr_fastcall'}} 63 cb_fptr_fastcall(free_func_fastcall); 64 65 cb_fptr_const_default(free_func_default); 66 cb_fptr_const_default(free_func_cdecl); 67 cb_fptr_const_default(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fptr_const_default'}} 68 cb_fptr_const_default(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fptr_const_default'}} 69 70 } 71 72 // Pointers to variadic functions 73 // variadic function can't declared stdcall or fastcall 74 void free_func_variadic_default(int, ...); 75 void __cdecl free_func_variadic_cdecl(int, ...); 76 77 typedef void ( *fptr_variadic_default)(int, ...); 78 typedef void (__cdecl *fptr_variadic_cdecl)(int, ...); 79 80 void cb_fptr_variadic_default(fptr_variadic_default ptr); 81 void cb_fptr_variadic_cdecl(fptr_variadic_cdecl ptr); 82 83 void call_free_variadic_func() { 84 cb_fptr_variadic_default(free_func_variadic_default); 85 cb_fptr_variadic_default(free_func_variadic_cdecl); 86 cb_fptr_variadic_default(&free_func_variadic_default); 87 cb_fptr_variadic_default(&free_func_variadic_cdecl); 88 89 cb_fptr_variadic_cdecl(free_func_variadic_default); 90 cb_fptr_variadic_cdecl(free_func_variadic_cdecl); 91 cb_fptr_variadic_cdecl(&free_func_variadic_default); 92 cb_fptr_variadic_cdecl(&free_func_variadic_cdecl); 93 } 94 95 // References to functions 96 typedef void ( &fref_default)(); 97 typedef void (__cdecl &fref_cdecl)(); 98 typedef void (__stdcall &fref_stdcall)(); 99 typedef void (__fastcall &fref_fastcall)(); 100 101 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'fref_default' (aka 'void (&)()') for 1st argument}} 102 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'fref_default' (aka 'void (&)()') for 1st argument}} 103 void cb_fref_default(fref_default ptr); 104 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'fref_cdecl' (aka 'void (&)()') for 1st argument}} 105 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'fref_cdecl' (aka 'void (&)()') for 1st argument}} 106 void cb_fref_cdecl(fref_cdecl ptr); 107 // expected-note@+3 {{candidate function not viable: no known conversion from 'void ()' to 'fref_stdcall' (aka 'void (&)() __attribute__((stdcall))') for 1st argument}} 108 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((cdecl))' to 'fref_stdcall' (aka 'void (&)() __attribute__((stdcall))') for 1st argument}} 109 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((fastcall))' to 'fref_stdcall' (aka 'void (&)() __attribute__((stdcall))') for 1st argument}} 110 void cb_fref_stdcall(fref_stdcall ptr); 111 // expected-note@+3 {{candidate function not viable: no known conversion from 'void ()' to 'fref_fastcall' (aka 'void (&)() __attribute__((fastcall))') for 1st argument}} 112 // expected-note@+2 {{candidate function not viable: no known conversion from 'void () __attribute__((cdecl))' to 'fref_fastcall' (aka 'void (&)() __attribute__((fastcall))') for 1st argument}} 113 // expected-note@+1 {{candidate function not viable: no known conversion from 'void () __attribute__((stdcall))' to 'fref_fastcall' (aka 'void (&)() __attribute__((fastcall))') for 1st argument}} 114 void cb_fref_fastcall(fref_fastcall ptr); 115 116 void call_free_func_ref() { 117 cb_fref_default(free_func_default); 118 cb_fref_default(free_func_cdecl); 119 cb_fref_default(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fref_default'}} 120 cb_fref_default(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fref_default'}} 121 122 cb_fref_cdecl(free_func_default); 123 cb_fref_cdecl(free_func_cdecl); 124 cb_fref_cdecl(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fref_cdecl'}} 125 cb_fref_cdecl(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fref_cdecl'}} 126 127 cb_fref_stdcall(free_func_default); // expected-error {{no matching function for call to 'cb_fref_stdcall'}} 128 cb_fref_stdcall(free_func_cdecl); // expected-error {{no matching function for call to 'cb_fref_stdcall'}} 129 cb_fref_stdcall(free_func_stdcall); 130 cb_fref_stdcall(free_func_fastcall); // expected-error {{no matching function for call to 'cb_fref_stdcall'}} 131 132 cb_fref_fastcall(free_func_default); // expected-error {{no matching function for call to 'cb_fref_fastcall'}} 133 cb_fref_fastcall(free_func_cdecl); // expected-error {{no matching function for call to 'cb_fref_fastcall'}} 134 cb_fref_fastcall(free_func_stdcall); // expected-error {{no matching function for call to 'cb_fref_fastcall'}} 135 cb_fref_fastcall(free_func_fastcall); 136 } 137 138 // References to variadic functions 139 // variadic function can't declared stdcall or fastcall 140 typedef void ( &fref_variadic_default)(int, ...); 141 typedef void (__cdecl &fref_variadic_cdecl)(int, ...); 142 143 void cb_fref_variadic_default(fptr_variadic_default ptr); 144 void cb_fref_variadic_cdecl(fptr_variadic_cdecl ptr); 145 146 void call_free_variadic_func_ref() { 147 cb_fref_variadic_default(free_func_variadic_default); 148 cb_fref_variadic_default(free_func_variadic_cdecl); 149 150 cb_fref_variadic_cdecl(free_func_variadic_default); 151 cb_fref_variadic_cdecl(free_func_variadic_cdecl); 152 } 153 154 // Pointers to members 155 namespace NonVariadic { 156 157 struct A { 158 void member_default(); 159 void __cdecl member_cdecl(); 160 void __thiscall member_thiscall(); 161 }; 162 163 struct B : public A { 164 }; 165 166 struct C { 167 void member_default(); 168 void __cdecl member_cdecl(); 169 void __thiscall member_thiscall(); 170 }; 171 172 typedef void ( A::*memb_a_default)(); 173 typedef void (__cdecl A::*memb_a_cdecl)(); 174 typedef void (__thiscall A::*memb_a_thiscall)(); 175 typedef void ( B::*memb_b_default)(); 176 typedef void (__cdecl B::*memb_b_cdecl)(); 177 typedef void (__thiscall B::*memb_b_thiscall)(); 178 typedef void ( C::*memb_c_default)(); 179 typedef void (__cdecl C::*memb_c_cdecl)(); 180 typedef void (__thiscall C::*memb_c_thiscall)(); 181 182 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_a_default' (aka 'void (NonVariadic::A::*)() __attribute__((thiscall))') for 1st argument}} 183 void cb_memb_a_default(memb_a_default ptr); 184 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_a_cdecl' (aka 'void (NonVariadic::A::*)() __attribute__((cdecl))') for 1st argument}} 185 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_a_cdecl' (aka 'void (NonVariadic::A::*)() __attribute__((cdecl))') for 1st argument}} 186 void cb_memb_a_cdecl(memb_a_cdecl ptr); 187 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_a_thiscall' (aka 'void (NonVariadic::A::*)() __attribute__((thiscall))') for 1st argument}} 188 void cb_memb_a_thiscall(memb_a_thiscall ptr); 189 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_b_default' (aka 'void (NonVariadic::B::*)() __attribute__((thiscall))') for 1st argument}} 190 void cb_memb_b_default(memb_b_default ptr); 191 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_b_cdecl' (aka 'void (NonVariadic::B::*)() __attribute__((cdecl))') for 1st argument}} 192 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_b_cdecl' (aka 'void (NonVariadic::B::*)() __attribute__((cdecl))') for 1st argument}} 193 void cb_memb_b_cdecl(memb_b_cdecl ptr); 194 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_b_thiscall' (aka 'void (NonVariadic::B::*)() __attribute__((thiscall))') for 1st argument}} 195 void cb_memb_b_thiscall(memb_b_thiscall ptr); 196 // expected-note@+3 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_c_default' (aka 'void (NonVariadic::C::*)() __attribute__((thiscall))') for 1st argument}} 197 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_c_default' (aka 'void (NonVariadic::C::*)() __attribute__((thiscall))') for 1st argument}} 198 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_c_default' (aka 'void (NonVariadic::C::*)() __attribute__((thiscall))') for 1st argument}} 199 void cb_memb_c_default(memb_c_default ptr); 200 // expected-note@+3 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_c_cdecl' (aka 'void (NonVariadic::C::*)() __attribute__((cdecl))') for 1st argument}} 201 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_c_cdecl' (aka 'void (NonVariadic::C::*)() __attribute__((cdecl))') for 1st argument}} 202 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_c_cdecl' (aka 'void (NonVariadic::C::*)() __attribute__((cdecl))') for 1st argument}} 203 void cb_memb_c_cdecl(memb_c_cdecl ptr); 204 // expected-note@+3 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_c_thiscall' (aka 'void (NonVariadic::C::*)() __attribute__((thiscall))') for 1st argument}} 205 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((cdecl))' to 'memb_c_thiscall' (aka 'void (NonVariadic::C::*)() __attribute__((thiscall))') for 1st argument}} 206 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (NonVariadic::A::*)() __attribute__((thiscall))' to 'memb_c_thiscall' (aka 'void (NonVariadic::C::*)() __attribute__((thiscall))') for 1st argument}} 207 void cb_memb_c_thiscall(memb_c_thiscall ptr); 208 209 void call_member() { 210 cb_memb_a_default(&A::member_default); 211 cb_memb_a_default(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_a_default'}} 212 cb_memb_a_default(&A::member_thiscall); 213 214 cb_memb_a_cdecl(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_a_cdecl'}} 215 cb_memb_a_cdecl(&A::member_cdecl); 216 cb_memb_a_cdecl(&A::member_thiscall); // expected-error {{no matching function for call to 'cb_memb_a_cdecl'}} 217 218 cb_memb_a_thiscall(&A::member_default); 219 cb_memb_a_thiscall(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_a_thiscall'}} 220 cb_memb_a_thiscall(&A::member_thiscall); 221 } 222 223 void call_member_inheritance() { 224 cb_memb_b_default(&A::member_default); 225 cb_memb_b_default(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_b_default'}} 226 cb_memb_b_default(&A::member_thiscall); 227 cb_memb_c_default(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_c_default'}} 228 cb_memb_c_default(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_c_default'}} 229 cb_memb_c_default(&A::member_thiscall); // expected-error {{no matching function for call to 'cb_memb_c_default'}} 230 231 cb_memb_b_cdecl(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_b_cdecl'}} 232 cb_memb_b_cdecl(&A::member_cdecl); 233 cb_memb_b_cdecl(&A::member_thiscall); // expected-error {{no matching function for call to 'cb_memb_b_cdecl'}} 234 cb_memb_c_cdecl(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_c_cdecl'}} 235 cb_memb_c_cdecl(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_c_cdecl'}} 236 cb_memb_c_cdecl(&A::member_thiscall); // expected-error {{no matching function for call to 'cb_memb_c_cdecl'}} 237 238 cb_memb_b_thiscall(&A::member_default); 239 cb_memb_b_thiscall(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_b_thiscall'}} 240 cb_memb_b_thiscall(&A::member_thiscall); 241 cb_memb_c_thiscall(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_c_thiscall'}} 242 cb_memb_c_thiscall(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_c_thiscall'}} 243 cb_memb_c_thiscall(&A::member_thiscall); // expected-error {{no matching function for call to 'cb_memb_c_thiscall'}} 244 } 245 } // end namespace NonVariadic 246 247 namespace Variadic { 248 struct A { 249 void member_default(int, ...); 250 void __cdecl member_cdecl(int, ...); 251 void __thiscall member_thiscall(int, ...); // expected-error {{variadic function cannot use thiscall calling convention}} 252 }; 253 254 struct B : public A { 255 }; 256 257 struct C { 258 void member_default(int, ...); 259 void __cdecl member_cdecl(int, ...); 260 }; 261 262 typedef void ( A::*memb_a_default)(int, ...); 263 typedef void (__cdecl A::*memb_a_cdecl)(int, ...); 264 typedef void ( B::*memb_b_default)(int, ...); 265 typedef void (__cdecl B::*memb_b_cdecl)(int, ...); 266 typedef void ( C::*memb_c_default)(int, ...); 267 typedef void (__cdecl C::*memb_c_cdecl)(int, ...); 268 269 void cb_memb_a_default(memb_a_default ptr); 270 void cb_memb_a_cdecl(memb_a_cdecl ptr); 271 void cb_memb_b_default(memb_b_default ptr); 272 void cb_memb_b_cdecl(memb_b_cdecl ptr); 273 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (Variadic::A::*)(int, ...)' to 'memb_c_default' (aka 'void (Variadic::C::*)(int, ...)') for 1st argument}} 274 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (Variadic::A::*)(int, ...) __attribute__((cdecl))' to 'memb_c_default' (aka 'void (Variadic::C::*)(int, ...)') for 1st argument}} 275 void cb_memb_c_default(memb_c_default ptr); 276 // expected-note@+2 {{candidate function not viable: no known conversion from 'void (Variadic::A::*)(int, ...)' to 'memb_c_cdecl' (aka 'void (Variadic::C::*)(int, ...) __attribute__((cdecl))') for 1st argument}} 277 // expected-note@+1 {{candidate function not viable: no known conversion from 'void (Variadic::A::*)(int, ...) __attribute__((cdecl))' to 'memb_c_cdecl' (aka 'void (Variadic::C::*)(int, ...) __attribute__((cdecl))') for 1st argument}} 278 void cb_memb_c_cdecl(memb_c_cdecl ptr); 279 280 void call_member() { 281 cb_memb_a_default(&A::member_default); 282 cb_memb_a_default(&A::member_cdecl); 283 284 cb_memb_a_cdecl(&A::member_default); 285 cb_memb_a_cdecl(&A::member_cdecl); 286 } 287 288 void call_member_inheritance() { 289 cb_memb_b_default(&A::member_default); 290 cb_memb_b_default(&A::member_cdecl); 291 cb_memb_c_default(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_c_default'}} 292 cb_memb_c_default(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_c_default'}} 293 294 cb_memb_b_cdecl(&A::member_default); 295 cb_memb_b_cdecl(&A::member_cdecl); 296 cb_memb_c_cdecl(&A::member_default); // expected-error {{no matching function for call to 'cb_memb_c_cdecl'}} 297 cb_memb_c_cdecl(&A::member_cdecl); // expected-error {{no matching function for call to 'cb_memb_c_cdecl'}} 298 } 299 } // end namespace Variadic 300 301 namespace MultiChunkDecls { 302 303 // Try to test declarators that have multiple DeclaratorChunks. 304 struct A { 305 void __thiscall member_thiscall(int); 306 }; 307 308 void (A::*return_mptr(short))(int) { 309 return &A::member_thiscall; 310 } 311 312 void (A::*(*return_fptr_mptr(char))(short))(int) { 313 return return_mptr; 314 } 315 316 typedef void (A::*mptr_t)(int); 317 mptr_t __stdcall return_mptr_std(short) { 318 return &A::member_thiscall; 319 } 320 321 void (A::*(*return_fptr_std_mptr(char))(short))(int) { 322 return return_mptr_std; // expected-error {{cannot initialize return object of type 'void (MultiChunkDecls::A::*(*)(short))(int) __attribute__((thiscall))' with an lvalue of type 'mptr_t (short) __attribute__((stdcall))'}} 323 } 324 325 void call_return() { 326 A o; 327 void (A::*(*fptr)(short))(int) = return_fptr_mptr('a'); 328 void (A::*mptr)(int) = fptr(1); 329 (o.*mptr)(2); 330 } 331 332 } // end namespace MultiChunkDecls 333 334 namespace MemberPointers { 335 336 struct A { 337 void __thiscall method_thiscall(); 338 void __cdecl method_cdecl(); 339 void __stdcall method_stdcall(); 340 void __fastcall method_fastcall(); 341 }; 342 343 void ( A::*mp1)() = &A::method_thiscall; 344 void (__cdecl A::*mp2)() = &A::method_cdecl; 345 void (__stdcall A::*mp3)() = &A::method_stdcall; 346 void (__fastcall A::*mp4)() = &A::method_fastcall; 347 348 // Use a typedef to form the member pointer and verify that cdecl is adjusted. 349 typedef void ( fun_default)(); 350 typedef void (__cdecl fun_cdecl)(); 351 typedef void (__stdcall fun_stdcall)(); 352 typedef void (__fastcall fun_fastcall)(); 353 354 fun_default A::*td1 = &A::method_thiscall; 355 fun_cdecl A::*td2 = &A::method_thiscall; 356 fun_stdcall A::*td3 = &A::method_stdcall; 357 fun_fastcall A::*td4 = &A::method_fastcall; 358 359 // Round trip the function type through a template, and verify that only cdecl 360 // gets adjusted. 361 template<typename Fn> struct X { typedef Fn A::*p; }; 362 363 X<void ()>::p tmpl1 = &A::method_thiscall; 364 X<void __cdecl ()>::p tmpl2 = &A::method_thiscall; 365 X<void __stdcall ()>::p tmpl3 = &A::method_stdcall; 366 X<void __fastcall ()>::p tmpl4 = &A::method_fastcall; 367 368 X<fun_default >::p tmpl5 = &A::method_thiscall; 369 X<fun_cdecl >::p tmpl6 = &A::method_thiscall; 370 X<fun_stdcall >::p tmpl7 = &A::method_stdcall; 371 X<fun_fastcall>::p tmpl8 = &A::method_fastcall; 372 373 // Make sure we adjust thiscall to cdecl when extracting the function type from 374 // a member pointer. 375 template <typename> struct Y; 376 377 template <typename Fn, typename C> 378 struct Y<Fn C::*> { 379 typedef Fn *p; 380 }; 381 382 void __cdecl f_cdecl(); 383 Y<decltype(&A::method_thiscall)>::p tmpl9 = &f_cdecl; 384 385 386 } // end namespace MemberPointers 387 388 // Test that lambdas that capture nothing convert to cdecl function pointers. 389 namespace Lambdas { 390 391 void pass_fptr_cdecl (void (__cdecl *fp)()); 392 void pass_fptr_stdcall (void (__stdcall *fp)()); // expected-note {{candidate function not viable}} 393 void pass_fptr_fastcall(void (__fastcall *fp)()); // expected-note {{candidate function not viable}} 394 395 void conversion_to_fptr() { 396 pass_fptr_cdecl ([]() { } ); 397 pass_fptr_stdcall ([]() { } ); // expected-error {{no matching function for call}} 398 pass_fptr_fastcall([]() { } ); // expected-error {{no matching function for call}} 399 } 400 401 } 402
