pragma_microsoft.c revision 87b73ba920f523ef13f2420cbdb958a281aa6f33 
1// RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions
2
3// rdar://6495941
4
5#define FOO 1
6#define BAR "2"
7
8#pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}}
9#pragma comment(linker," bar=" BAR)
10
11#pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ )
12
13#pragma comment(foo)    // expected-error {{unknown kind of pragma comment}}
14#pragma comment(compiler,)     // expected-error {{expected string literal in pragma comment}}
15#define foo compiler
16#pragma comment(foo)   // macro expand kind.
17#pragma comment(foo) x // expected-error {{pragma comment requires}}
18
19#pragma comment(user, "foo\abar\nbaz\tsome	thing")
20
21
22// __pragma
23
24__pragma(comment(linker," bar=" BAR))
25
26#define MACRO_WITH__PRAGMA { \
27  __pragma(warning(push)); \
28  __pragma(warning(disable: 10000)); \
29  1 + (2 > 3) ? 4 : 5; \
30  __pragma(warning(pop)); \
31}
32
33void f()
34{
35  __pragma()
36
37  // If we ever actually *support* __pragma(warning(disable: x)),
38  // this warning should go away.
39  MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \
40                     // expected-note 2 {{place parentheses}}
41}
42
43
44// This should include macro_arg_directive even though the include
45// is looking for test.h  This allows us to assign to "n"
46#pragma include_alias("test.h", "macro_arg_directive.h" )
47#include "test.h"
48void test( void ) {
49  n = 12;
50}
51
52#pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
53#pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
54#pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}
55
56// Make sure that the names match exactly for a replacement, including path information.  If
57// this were to fail, we would get a file not found error
58#pragma include_alias(".\pp-record.h", "does_not_exist.h")
59#include "pp-record.h"
60
61#pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}
62
63// It's expected that we can map "bar" and <bar> separately
64#define test
65// We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
66// that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
67#pragma include_alias(<bar.h>, <stdio.h>)
68#pragma include_alias("bar.h", "pr2086.h")  // This should #undef test
69
70#include "bar.h"
71#if defined(test)
72// This should not warn because test should not be defined
73#pragma include_alias("test.h")
74#endif
75
76// Test to make sure there are no use-after-free problems
77#define B "pp-record.h"
78#pragma include_alias("quux.h", B)
79void g() {}
80#include "quux.h"
81
82// Make sure that empty includes don't work
83#pragma include_alias("", "foo.h")  // expected-error {{empty filename}}
84#pragma include_alias(<foo.h>, <>)  // expected-error {{empty filename}}
85