23 lines
1.4 KiB
C++
23 lines
1.4 KiB
C++
// RUN: split-file %s %t
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// RUN: %clang -cc1 -load %llvmshlibdir/Attribute%pluginext -fsyntax-only -ast-dump -verify %t/good_attr.cpp | FileCheck %s
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// RUN: %clang -fplugin=%llvmshlibdir/Attribute%pluginext -fsyntax-only -Xclang -verify %t/bad_attr.cpp
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// REQUIRES: plugins, examples
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//--- good_attr.cpp
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// expected-no-diagnostics
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void fn1a() __attribute__((example)) {}
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[[example]] void fn1b() {}
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[[plugin::example]] void fn1c() {}
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void fn2() __attribute__((example("somestring", 1, 2.0))) {}
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// CHECK-COUNT-4: -AnnotateAttr 0x{{[0-9a-z]+}} {{<col:[0-9]+(, col:[0-9]+)?>}} "example"
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// CHECK: -StringLiteral 0x{{[0-9a-z]+}} {{<col:[0-9]+(, col:[0-9]+)?>}} 'const char [{{[0-9]+}}]' lvalue "somestring"
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// CHECK: -IntegerLiteral 0x{{[0-9a-z]+}} {{<col:[0-9]+(, col:[0-9]+)?>}} 'int' 1
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// CHECK: -FloatingLiteral 0x{{[0-9a-z]+}} {{<col:[0-9]+(, col:[0-9]+)?>}} 'double' 2.000000e+00
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//--- bad_attr.cpp
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int var1 __attribute__((example("otherstring"))) = 1; // expected-warning {{'example' attribute only applies to functions}}
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class Example {
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void __attribute__((example)) fn3(); // expected-error {{'example' attribute only allowed at file scope}}
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};
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void fn4() __attribute__((example(123))) { } // expected-error {{first argument to the 'example' attribute must be a string literal}}
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void fn5() __attribute__((example("a","b", 3, 4.0))) { } // expected-error {{'example' attribute only accepts at most three arguments}}
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