1 // RUN: %clang_cc1 -fsyntax-only -fblocks -verify -fdouble-square-bracket-attributes %s
2 
3 void threeClauses() __attribute__((external_source_symbol(language="Swift", defined_in="module", generated_declaration)));
4 
5 void twoClauses() __attribute__((external_source_symbol(language="Swift", defined_in="module")));
6 
7 void fourClauses() __attribute__((external_source_symbol(language="Swift", defined_in="module", generated_declaration, generated_declaration))); // expected-error {{duplicate 'generated_declaration' clause in an 'external_source_symbol' attribute}}
8 
9 void oneClause() __attribute__((external_source_symbol(generated_declaration)));
10 
11 void noArguments()
12 __attribute__((external_source_symbol)); // expected-error {{'external_source_symbol' attribute takes at least 1 argument}}
13 
namedDeclsOnly()14 void namedDeclsOnly() {
15   int (^block)(void) = ^ (void)
16     __attribute__((external_source_symbol(language="Swift"))) { // expected-warning {{'external_source_symbol' attribute only applies to named declarations}}
17       return 1;
18   };
19 }
20 
21 void threeClauses2() [[clang::external_source_symbol(language="Swift", defined_in="module", generated_declaration)]];
22 
23 void twoClauses2() [[clang::external_source_symbol(language="Swift", defined_in="module")]];
24 
25 void fourClauses2()
26 [[clang::external_source_symbol(language="Swift", defined_in="module", generated_declaration, generated_declaration)]]; // expected-error {{duplicate 'generated_declaration' clause in an 'external_source_symbol' attribute}}
27 
28 void oneClause2() [[clang::external_source_symbol(generated_declaration)]];
29 
30 void noArguments2()
31 [[clang::external_source_symbol]]; // expected-error {{'external_source_symbol' attribute takes at least 1 argument}}
32