127f6eef7e
1. Teach Lexer that pragma lexers are like macro expansions at EOF. 2. Treat pragmas like #define/#undef when printing. 3. If we just printed a directive, add a newline before any more tokens. (4. Miscellaneous cleanup in PrintPreprocessedOutput.cpp) PR10594 and <rdar://problem/11562490> (two separate related problems) llvm-svn: 158571
20 lines
545 B
C++
20 lines
545 B
C++
// RUN: %clang_cc1 -fms-extensions -E %s | FileCheck %s
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// Test that we properly expand the C99 _Pragma and Microsoft __pragma
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// into #pragma directives, with newlines where needed. <rdar://problem/8412013>
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// CHECK: #line
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// CHECK: #pragma warning(push)
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// CHECK: extern "C" {
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// CHECK: #line
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// CHECK: #pragma warning(push)
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// CHECK: int foo() { return 0; } }
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// CHECK: #pragma warning(pop)
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#define A(X) extern "C" { __pragma(warning(push)) \
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int X() { return 0; } \
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}
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#define B(X) A(X)
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#pragma warning(push)
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B(foo)
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#pragma warning(pop)
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