1 // RUN: %clang_cc1 -verify -fms-extensions -Wmicrosoft %s
2 // RUN: not %clang_cc1 -P -E -fms-extensions %s | FileCheck -strict-whitespace %s
3 
4 // This horrible stuff should preprocess into (other than whitespace):
5 //   int foo;
6 //   int bar;
7 //   int baz;
8 
9 int foo;
10 
11 // CHECK: int foo;
12 
13 #define comment /##/  dead tokens live here
14 // expected-warning@+1 {{pasting two '/' tokens}}
15 comment This is stupidity
16 
17 int bar;
18 
19 // CHECK: int bar;
20 
21 #define nested(x) int x comment cute little dead tokens...
22 
23 // expected-warning@+1 {{pasting two '/' tokens}}
24 nested(baz)  rise of the dead tokens
25 
26 ;
27 
28 // CHECK: int baz
29 // CHECK: ;
30 
31 
32 // rdar://8197149 - VC++ allows invalid token pastes: (##baz
33 #define foo(x) abc(x)
34 #define bar(y) foo(##baz(y))
35 bar(q) // expected-warning {{type specifier missing}} expected-error {{invalid preprocessing token}} expected-error {{parameter list without types}}
36 
37 // CHECK: abc(baz(q))
38 
39 
40 #define str(x) #x
41 #define collapse_spaces(a, b, c, d) str(a ## - ## b ## - ## c ## d)
42 collapse_spaces(1a, b2, 3c, d4) // expected-error 4 {{invalid preprocessing token}} expected-error {{expected function body}}
43 
44 // CHECK: "1a-b2-3cd4"
45