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#pragma detect_mismatch("test", "1")
22#pragma detect_mismatch()  // expected-error {{expected string literal in pragma detect_mismatch}}
23#pragma detect_mismatch("test") // expected-error {{pragma detect_mismatch is malformed; it requires two comma-separated string literals}}
24#pragma detect_mismatch("test", 1) // expected-error {{expected string literal in pragma detect_mismatch}}
25#pragma detect_mismatch("test", BAR)
26
27// __pragma
28
29__pragma(comment(linker," bar=" BAR))
30
31#define MACRO_WITH__PRAGMA { \
32  __pragma(warning(push)); \
33  __pragma(warning(disable: 10000)); \
34  1 + (2 > 3) ? 4 : 5; \
35  __pragma(warning(pop)); \
36}
37
38void f()
39{
40  __pragma()
41
42  // If we ever actually *support* __pragma(warning(disable: x)),
43  // this warning should go away.
44  MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \
45                     // expected-note 2 {{place parentheses}}
46}
47
48
49// This should include macro_arg_directive even though the include
50// is looking for test.h  This allows us to assign to "n"
51#pragma include_alias("test.h", "macro_arg_directive.h" )
52#include "test.h"
53void test( void ) {
54  n = 12;
55}
56
57#pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
58#pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
59#pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}
60
61// Make sure that the names match exactly for a replacement, including path information.  If
62// this were to fail, we would get a file not found error
63#pragma include_alias(".\pp-record.h", "does_not_exist.h")
64#include "pp-record.h"
65
66#pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}
67
68// It's expected that we can map "bar" and <bar> separately
69#define test
70// We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
71// that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
72#pragma include_alias(<bar.h>, <stdio.h>)
73#pragma include_alias("bar.h", "pr2086.h")  // This should #undef test
74
75#include "bar.h"
76#if defined(test)
77// This should not warn because test should not be defined
78#pragma include_alias("test.h")
79#endif
80
81// Test to make sure there are no use-after-free problems
82#define B "pp-record.h"
83#pragma include_alias("quux.h", B)
84void g() {}
85#include "quux.h"
86
87// Make sure that empty includes don't work
88#pragma include_alias("", "foo.h")  // expected-error {{empty filename}}
89#pragma include_alias(<foo.h>, <>)  // expected-error {{empty filename}}
90
91// Test that we ignore pragma warning.
92#pragma warning(push)
93#pragma warning(push, 1)
94#pragma warning(disable : 4705)
95#pragma warning(disable : 123 456 789 ; error : 321)
96#pragma warning(once : 321)
97#pragma warning(suppress : 321)
98#pragma warning(default : 321)
99#pragma warning(pop)
100
101#pragma warning(push, 0)
102// FIXME: We could probably support pushing warning level 0.
103#pragma warning(pop)
104
105#pragma warning  // expected-warning {{expected '('}}
106#pragma warning(   // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
107#pragma warning()   // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
108#pragma warning(push 4)  // expected-warning {{expected ')'}}
109#pragma warning(push  // expected-warning {{expected ')'}}
110#pragma warning(push, 5)  // expected-warning {{requires a level between 0 and 4}}
111#pragma warning(pop, 1)  // expected-warning {{expected ')'}}
112#pragma warning(push, 1) asdf // expected-warning {{extra tokens at end of #pragma warning directive}}
113#pragma warning(disable 4705) // expected-warning {{expected ':'}}
114#pragma warning(disable : 0) // expected-warning {{expected a warning number}}
115#pragma warning(default 321) // expected-warning {{expected ':'}}
116#pragma warning(asdf : 321) // expected-warning {{expected 'push', 'pop'}}
117#pragma warning(push, -1) // expected-warning {{requires a level between 0 and 4}}
118