1 // https://issues.dlang.org/show_bug.cgi?id=17419
2
3
4 extern (C) int fooc();
5 alias aliasc = fooc;
6
7 static assert(__traits(getLinkage, fooc) == "C");
8 static assert(__traits(getLinkage, aliasc) == "C");
9
10 extern (D) int food();
11 extern (C++) int foocpp();
12 extern (Windows) int foow();
13 extern (Pascal) int foop();
14 extern (Objective-C) int fooobjc();
15 extern (System) int foos();
16
17 static assert(__traits(getLinkage, food) == "D");
18 static assert(__traits(getLinkage, foocpp) == "C++");
19 static assert(__traits(getLinkage, foow) == "Windows");
20 static assert(__traits(getLinkage, foop) == "Pascal");
21 static assert(__traits(getLinkage, fooobjc) == "Objective-C");
22 version (Windows)
23 static assert(__traits(getLinkage, foos) == "Windows");
24 else
25 static assert(__traits(getLinkage, foos) == "C");
26
27 extern (C) int global;
28 static assert(__traits(getLinkage, global) == "C");
29
30 static assert(__traits(getLinkage, typeof(fooc)) == "C");
31 static assert(__traits(getLinkage, typeof(&fooc)) == "C");
32
bar()33 void bar()
34 {
35 void nested() { }
36 static assert(__traits(getLinkage, typeof(&nested)) == "D");
37 }
38
39 class FooD {}
40 interface FooDInterface {}
41 extern (C++) class FooCpp {}
42 extern (C++) struct FooCppStruct {}
43 extern (C++) interface FooCppInterface {}
44
45 static assert(__traits(getLinkage, FooD) == "D");
46 static assert(__traits(getLinkage, FooDInterface) == "D");
47 static assert(__traits(getLinkage, FooCpp) == "C++");
48 static assert(__traits(getLinkage, FooCppStruct) == "C++");
49 static assert(__traits(getLinkage, FooCppInterface) == "C++");
50
version(D_ObjectiveC)51 version (D_ObjectiveC)
52 {
53 extern (Objective-C) interface FooObjC {}
54 static assert(__traits(getLinkage, FooObjC) == "Objective-C");
55 }
56