1 // RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions -Wunknown-pragmas 2 // RUN: not %clang_cc1 %s -fms-extensions -E | FileCheck %s 3 // REQUIRES: non-ps4-sdk 4 5 // rdar://6495941 6 7 #define FOO 1 8 #define BAR "2" 9 10 #pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}} 11 // CHECK: #pragma comment(linker,"foo=" 1) 12 #pragma comment(linker," bar=" BAR) 13 // CHECK: #pragma comment(linker," bar=" "2") 14 15 #pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ ) 16 // CHECK: {{#pragma comment\( user, \"Compiled on \".*\" at \".*\" \)}} 17 18 #pragma comment(foo) // expected-error {{unknown kind of pragma comment}} 19 // CHECK: #pragma comment(foo) 20 #pragma comment(compiler,) // expected-error {{expected string literal in pragma comment}} 21 // CHECK: #pragma comment(compiler,) 22 #define foo compiler 23 #pragma comment(foo) // macro expand kind. 24 // CHECK: #pragma comment(compiler) 25 #pragma comment(foo) x // expected-error {{pragma comment requires}} 26 // CHECK: #pragma comment(compiler) x 27 28 #pragma comment(user, "foo\abar\nbaz\tsome thing") 29 // CHECK: #pragma comment(user, "foo\abar\nbaz\tsome thing") 30 31 #pragma detect_mismatch("test", "1") 32 // CHECK: #pragma detect_mismatch("test", "1") 33 #pragma detect_mismatch() // expected-error {{expected string literal in pragma detect_mismatch}} 34 // CHECK: #pragma detect_mismatch() 35 #pragma detect_mismatch("test") // expected-error {{pragma detect_mismatch is malformed; it requires two comma-separated string literals}} 36 // CHECK: #pragma detect_mismatch("test") 37 #pragma detect_mismatch("test", 1) // expected-error {{expected string literal in pragma detect_mismatch}} 38 // CHECK: #pragma detect_mismatch("test", 1) 39 #pragma detect_mismatch("test", BAR) 40 // CHECK: #pragma detect_mismatch("test", "2") 41 42 // __pragma 43 44 __pragma(comment(linker," bar=" BAR)) 45 // CHECK: #pragma comment(linker," bar=" "2") 46 47 #define MACRO_WITH__PRAGMA { \ 48 __pragma(warning(push)); \ 49 __pragma(warning(disable: 10000)); \ 50 1 + (2 > 3) ? 4 : 5; \ 51 __pragma(warning(pop)); \ 52 } 53 54 void f() 55 { 56 __pragma() // expected-warning{{unknown pragma ignored}} 57 // CHECK: #pragma 58 59 // If we ever actually *support* __pragma(warning(disable: x)), 60 // this warning should go away. 61 MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \ 62 // expected-note 2 {{place parentheses}} 63 // CHECK: #pragma warning(push) 64 // CHECK: #pragma warning(disable: 10000) 65 // CHECK: ; 1 + (2 > 3) ? 4 : 5; 66 // CHECK: #pragma warning(pop) 67 } 68 69 70 // This should include macro_arg_directive even though the include 71 // is looking for test.h This allows us to assign to "n" 72 #pragma include_alias("test.h", "macro_arg_directive.h" ) 73 #include "test.h" 74 void test( void ) { 75 n = 12; 76 } 77 78 #pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}} 79 #pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}} 80 #pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}} 81 82 // Make sure that the names match exactly for a replacement, including path information. If 83 // this were to fail, we would get a file not found error 84 #pragma include_alias(".\pp-record.h", "does_not_exist.h") 85 #include "pp-record.h" 86 87 #pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}} 88 89 // It's expected that we can map "bar" and <bar> separately 90 #define test 91 // We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure 92 // that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't 93 #pragma include_alias(<bar.h>, <stdio.h>) 94 #pragma include_alias("bar.h", "pr2086.h") // This should #undef test 95 96 #include "bar.h" 97 #if defined(test) 98 // This should not warn because test should not be defined 99 #pragma include_alias("test.h") 100 #endif 101 102 // Test to make sure there are no use-after-free problems 103 #define B "pp-record.h" 104 #pragma include_alias("quux.h", B) 105 void g() {} 106 #include "quux.h" 107 108 // Make sure that empty includes don't work 109 #pragma include_alias("", "foo.h") // expected-error {{empty filename}} 110 #pragma include_alias(<foo.h>, <>) // expected-error {{empty filename}} 111 112 // Test that we ignore pragma warning. 113 #pragma warning(push) 114 // CHECK: #pragma warning(push) 115 #pragma warning(push, 1) 116 // CHECK: #pragma warning(push, 1) 117 #pragma warning(disable : 4705) 118 // CHECK: #pragma warning(disable: 4705) 119 #pragma warning(disable : 123 456 789 ; error : 321) 120 // CHECK: #pragma warning(disable: 123 456 789) 121 // CHECK: #pragma warning(error: 321) 122 #pragma warning(once : 321) 123 // CHECK: #pragma warning(once: 321) 124 #pragma warning(suppress : 321) 125 // CHECK: #pragma warning(suppress: 321) 126 #pragma warning(default : 321) 127 // CHECK: #pragma warning(default: 321) 128 #pragma warning(pop) 129 // CHECK: #pragma warning(pop) 130 #pragma warning(1: 123) 131 // CHECK: #pragma warning(1: 123) 132 #pragma warning(2: 234 567) 133 // CHECK: #pragma warning(2: 234 567) 134 #pragma warning(3: 123; 4: 678) 135 // CHECK: #pragma warning(3: 123) 136 // CHECK: #pragma warning(4: 678) 137 #pragma warning(5: 123) // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}} 138 139 #pragma warning(push, 0) 140 // CHECK: #pragma warning(push, 0) 141 // FIXME: We could probably support pushing warning level 0. 142 #pragma warning(pop) 143 // CHECK: #pragma warning(pop) 144 145 #pragma warning // expected-warning {{expected '('}} 146 #pragma warning( // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}} 147 #pragma warning() // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}} 148 #pragma warning(push 4) // expected-warning {{expected ')'}} 149 // CHECK: #pragma warning(push) 150 #pragma warning(push // expected-warning {{expected ')'}} 151 // CHECK: #pragma warning(push) 152 #pragma warning(push, 5) // expected-warning {{requires a level between 0 and 4}} 153 #pragma warning(pop, 1) // expected-warning {{expected ')'}} 154 // CHECK: #pragma warning(pop) 155 #pragma warning(push, 1) asdf // expected-warning {{extra tokens at end of #pragma warning directive}} 156 // CHECK: #pragma warning(push, 1) 157 #pragma warning(disable 4705) // expected-warning {{expected ':'}} 158 #pragma warning(disable : 0) // expected-warning {{expected a warning number}} 159 #pragma warning(default 321) // expected-warning {{expected ':'}} 160 #pragma warning(asdf : 321) // expected-warning {{expected 'push', 'pop'}} 161 #pragma warning(push, -1) // expected-warning {{requires a level between 0 and 4}} 162 163 // Test that runtime_checks is parsed but ignored. 164 #pragma runtime_checks("sc", restore) // no-warning 165