ea321392eb
This PR is 2nd part of [P1857R3](https://github.com/llvm/llvm-project/pull/107168) implementation, and mainly implement the restriction `A module directive may only appear as the first preprocessing tokens in a file (excluding the global module fragment.)`: [cpp.pre](https://eel.is/c++draft/cpp.pre): ``` module-file: pp-global-module-fragment[opt] pp-module group[opt] pp-private-module-fragment[opt] ``` We also refine tests use `split-file` instead of conditional macro. Signed-off-by: yronglin <yronglin777@gmail.com>
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// RUN: rm -rf %t
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// RUN: mkdir %t
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// RUN: split-file %s %t
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// RUN: echo 'export module foo;' > %t.cppm
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// RUN: echo 'export int n;' >> %t.cppm
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// RUN: %clang_cc1 -std=c++2a %t.cppm -emit-module-interface -o %t.pcm
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// RUN: %clang_cc1 -std=c++2a -fmodule-file=foo=%t.pcm -verify -DMODE=0 %t/A.cppm
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// RUN: %clang_cc1 -std=c++2a -fmodule-file=foo=%t.pcm -verify -DMODE=1 %t/B.cppm
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// RUN: %clang_cc1 -std=c++2a -fmodule-file=foo=%t.pcm -verify -DMODE=2 %t/C.cppm
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// RUN: %clang_cc1 -std=c++2a -fmodule-file=foo=%t.pcm -verify -DMODE=3 %t/D.cppm
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// RUN: %clang_cc1 -std=c++2a -fmodule-file=foo=%t.pcm -verify -DMODE=4 %t/E.cppm
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// RUN: %clang_cc1 -std=c++2a -fmodule-file=foo=%t.pcm -verify -DMODE=5 %t/F.cppm
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//--- A.cppm
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// no module declaration
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// expected-no-diagnostics
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//--- B.cppm
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// expected-no-diagnostics
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module foo; // Implementation, implicitly imports foo.
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#define IMPORTED
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int k = n;
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//--- C.cppm
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export module foo;
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int k = n; // expected-error {{use of undeclared identifier 'n'}}
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//--- D.cppm
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export module bar; // A different module
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int k = n; // expected-error {{use of undeclared identifier 'n'}}
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//--- E.cppm
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module foo:bar; // Partition implementation
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//#define IMPORTED (we don't import foo here)
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int k = n; // expected-error {{use of undeclared identifier 'n'}}
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//--- F.cppm
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export module foo:bar; // Partition interface
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//#define IMPORTED (we don't import foo here)
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int k = n; // expected-error {{use of undeclared identifier 'n'}}
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