summaryrefslogtreecommitdiffstats
path: root/clang/test/Preprocessor/pragma_microsoft.c
blob: 020292a4b2566359538c22e33a022536148f8d18 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
// RUN: %clang_cc1 -triple i686-unknown-windows-msvc %s -fsyntax-only -verify -fms-extensions -Wunknown-pragmas
// RUN: not %clang_cc1 -triple i686-unknown-windows-msvc %s -fms-extensions -E | FileCheck %s
// UNSUPPORTED: ps4

// rdar://6495941

#define FOO 1
#define BAR "2"

#pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}}
// CHECK: #pragma comment(linker,"foo=" 1)
#pragma comment(linker," bar=" BAR)
// CHECK: #pragma comment(linker," bar=" "2")

#pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ ) 
// CHECK: {{#pragma comment\( user, \"Compiled on \".*\" at \".*\" \)}}

#pragma comment(foo)    // expected-error {{unknown kind of pragma comment}}
// CHECK: #pragma comment(foo)
#pragma comment(compiler,)     // expected-error {{expected string literal in pragma comment}}
// CHECK: #pragma comment(compiler,)
#define foo compiler
#pragma comment(foo)   // macro expand kind.
// CHECK: #pragma comment(compiler)
#pragma comment(foo) x // expected-error {{pragma comment requires}}
// CHECK: #pragma comment(compiler) x

#pragma comment(user, "foo\abar\nbaz\tsome	thing")
// CHECK: #pragma comment(user, "foo\abar\nbaz\tsome	thing")

#pragma detect_mismatch("test", "1")
// CHECK: #pragma detect_mismatch("test", "1")
#pragma detect_mismatch()  // expected-error {{expected string literal in pragma detect_mismatch}}
// CHECK: #pragma detect_mismatch()
#pragma detect_mismatch("test") // expected-error {{pragma detect_mismatch is malformed; it requires two comma-separated string literals}}
// CHECK: #pragma detect_mismatch("test")
#pragma detect_mismatch("test", 1) // expected-error {{expected string literal in pragma detect_mismatch}}
// CHECK: #pragma detect_mismatch("test", 1)
#pragma detect_mismatch("test", BAR)
// CHECK: #pragma detect_mismatch("test", "2")

// __pragma

__pragma(comment(linker," bar=" BAR))
// CHECK: #pragma comment(linker," bar=" "2")

#define MACRO_WITH__PRAGMA { \
  __pragma(warning(push)); \
  __pragma(warning(disable: 10000)); \
  1 + (2 > 3) ? 4 : 5; \
  __pragma(warning(pop)); \
}

#define PRAGMA_IN_ARGS(p) p

void f()
{
  __pragma() // expected-warning{{unknown pragma ignored}}
// CHECK: #pragma

  // If we ever actually *support* __pragma(warning(disable: x)),
  // this warning should go away.
  MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \
                     // expected-note 2 {{place parentheses}}
// CHECK: #pragma warning(push)
// CHECK: #pragma warning(disable: 10000)
// CHECK: ; 1 + (2 > 3) ? 4 : 5;
// CHECK: #pragma warning(pop)

  // Check that macro arguments can contain __pragma.
  PRAGMA_IN_ARGS(MACRO_WITH__PRAGMA) // expected-warning {{lower precedence}} \
                                     // expected-note 2 {{place parentheses}} \
                                     // expected-warning {{expression result unused}}
// CHECK: #pragma warning(push)
// CHECK: #pragma warning(disable: 10000)
// CHECK: ; 1 + (2 > 3) ? 4 : 5;
// CHECK: #pragma warning(pop)
}

// This should include macro_arg_directive even though the include
// is looking for test.h  This allows us to assign to "n"
#pragma include_alias("test.h", "macro_arg_directive.h" )
#include "test.h"
void test( void ) {
  n = 12;
}

#pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
#pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
#pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}

// Make sure that the names match exactly for a replacement, including path information.  If
// this were to fail, we would get a file not found error
#pragma include_alias(".\pp-record.h", "does_not_exist.h")
#include "pp-record.h"

#pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}

// It's expected that we can map "bar" and <bar> separately
#define test
// We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
// that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
#pragma include_alias(<bar.h>, <stdio.h>)
#pragma include_alias("bar.h", "pr2086.h")  // This should #undef test

#include "bar.h"
#if defined(test)
// This should not warn because test should not be defined
#pragma include_alias("test.h")
#endif

// Test to make sure there are no use-after-free problems
#define B "pp-record.h"
#pragma include_alias("quux.h", B)
void g() {}
#include "quux.h"

// Make sure that empty includes don't work
#pragma include_alias("", "foo.h")  // expected-error {{empty filename}}
#pragma include_alias(<foo.h>, <>)  // expected-error {{empty filename}}

// Test that we ignore pragma warning.
#pragma warning(push)
// CHECK: #pragma warning(push)
#pragma warning(push, 1)
// CHECK: #pragma warning(push, 1)
#pragma warning(disable : 4705)
// CHECK: #pragma warning(disable: 4705)
#pragma warning(disable : 123 456 789 ; error : 321)
// CHECK: #pragma warning(disable: 123 456 789)
// CHECK: #pragma warning(error: 321)
#pragma warning(once : 321)
// CHECK: #pragma warning(once: 321)
#pragma warning(suppress : 321)
// CHECK: #pragma warning(suppress: 321)
#pragma warning(default : 321)
// CHECK: #pragma warning(default: 321)
#pragma warning(pop)
// CHECK: #pragma warning(pop)
#pragma warning(1: 123)
// CHECK: #pragma warning(1: 123)
#pragma warning(2: 234 567)
// CHECK: #pragma warning(2: 234 567)
#pragma warning(3: 123; 4: 678)
// CHECK: #pragma warning(3: 123)
// CHECK: #pragma warning(4: 678)
#pragma warning(5: 123) // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}

#pragma warning(push, 0)
// CHECK: #pragma warning(push, 0)
// FIXME: We could probably support pushing warning level 0.
#pragma warning(pop)
// CHECK: #pragma warning(pop)

#pragma warning  // expected-warning {{expected '('}}
#pragma warning(   // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
#pragma warning()   // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
#pragma warning(push 4)  // expected-warning {{expected ')'}}
// CHECK: #pragma warning(push)
#pragma warning(push  // expected-warning {{expected ')'}}
// CHECK: #pragma warning(push)
#pragma warning(push, 5)  // expected-warning {{requires a level between 0 and 4}}
#pragma warning(pop, 1)  // expected-warning {{expected ')'}}
// CHECK: #pragma warning(pop)
#pragma warning(push, 1) asdf // expected-warning {{extra tokens at end of #pragma warning directive}}
// CHECK: #pragma warning(push, 1)
#pragma warning(disable 4705) // expected-warning {{expected ':'}}
#pragma warning(disable : 0) // expected-warning {{expected a warning number}}
#pragma warning(default 321) // expected-warning {{expected ':'}}
#pragma warning(asdf : 321) // expected-warning {{expected 'push', 'pop'}}
#pragma warning(push, -1) // expected-warning {{requires a level between 0 and 4}}

// Test that runtime_checks is parsed but ignored.
#pragma runtime_checks("sc", restore) // no-warning

// Test pragma intrinsic
#pragma intrinsic(memset) // no-warning
#pragma intrinsic(memcpy, strlen, strlen) // no-warning
#pragma intrinsic() // no-warning
#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
#pragma intrinsic(main) // expected-warning {{'main' is not a recognized builtin; consider including <intrin.h>}}
#pragma intrinsic( // expected-warning {{missing ')' after}}
#pragma intrinsic(int) // expected-warning {{missing ')' after}}
#pragma intrinsic(strcmp) asdf // expected-warning {{extra tokens at end}}

#define __INTRIN_H  // there should be no notes after defining __INTRIN_H
#pragma intrinsic(asdf) // expected-warning-re {{'asdf' is not a recognized builtin{{$}}}}
#pragma intrinsic(memset) // no-warning
#undef __INTRIN_H
#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wignored-pragma-intrinsic"
#pragma intrinsic(asdf) // no-warning
#pragma clang diagnostic pop
#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wignored-pragmas"
#pragma intrinsic(asdf) // no-warning
#pragma clang diagnostic pop
#pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}

#pragma optimize          // expected-warning{{missing '(' after '#pragma optimize'}}
#pragma optimize(         // expected-warning{{expected string literal in '#pragma optimize'}}
#pragma optimize(a        // expected-warning{{expected string literal in '#pragma optimize'}}
#pragma optimize("g"      // expected-warning{{expected ',' in '#pragma optimize'}}
#pragma optimize("g",     // expected-warning{{missing argument to '#pragma optimize'; expected 'on' or 'off'}}
#pragma optimize("g",xyz  // expected-warning{{unexpected argument 'xyz' to '#pragma optimize'; expected 'on' or 'off'}}
#pragma optimize("g",on)  // expected-warning{{#pragma optimize' is not supported}}

#pragma execution_character_set                 // expected-warning {{expected '('}}
#pragma execution_character_set(                // expected-warning {{expected 'push' or 'pop'}}
#pragma execution_character_set()               // expected-warning {{expected 'push' or 'pop'}}
#pragma execution_character_set(asdf            // expected-warning {{expected 'push' or 'pop'}}
#pragma execution_character_set(asdf)           // expected-warning {{expected 'push' or 'pop'}}
#pragma execution_character_set(push            // expected-warning {{expected ')'}}
#pragma execution_character_set(pop,)           // expected-warning {{expected ')'}}
#pragma execution_character_set(pop,"asdf")     // expected-warning {{expected ')'}}
#pragma execution_character_set(push,           // expected-error {{expected string literal}}
#pragma execution_character_set(push,)          // expected-error {{expected string literal}}
#pragma execution_character_set(push,asdf)      // expected-error {{expected string literal}}
#pragma execution_character_set(push, "asdf")   // expected-warning {{only 'UTF-8' is supported}}

#pragma execution_character_set(push)
#pragma execution_character_set(push, "utf-8")
#pragma execution_character_set(push, "UTF-8")
#pragma execution_character_set(pop)