fb2c9d940a
Close https://github.com/llvm/llvm-project/issues/61427 And this is also helpful to implement https://github.com/llvm/llvm-project/issues/112294 partially. The implementation strategy mimics https://github.com/llvm/llvm-project/pull/122887. This patch split the internal declarations from the general lookup table so that other TU can't find the internal declarations.
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
// RUN: rm -rf %t
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// RUN: mkdir -p %t
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// RUN: echo '#ifndef FOO_H' > %t/foo.h
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// RUN: echo '#define FOO_H' >> %t/foo.h
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// RUN: echo 'extern int in_header;' >> %t/foo.h
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// RUN: echo '#endif' >> %t/foo.h
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// RUN: %clang_cc1 -std=c++2a -I%t -emit-module-interface -DINTERFACE %s -o %t.pcm
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// RUN: %clang_cc1 -std=c++2a -I%t -fmodule-file=A=%t.pcm -DIMPLEMENTATION %s -verify -fno-modules-error-recovery
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// RUN: %clang_cc1 -std=c++2a -I%t -fmodule-file=A=%t.pcm %s -verify -fno-modules-error-recovery
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#ifdef INTERFACE
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module;
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#include "foo.h"
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// FIXME: The following need to be moved to a header file. The global module
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// fragment is only permitted to contain preprocessor directives.
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int global_module_fragment;
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export module A;
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export int exported;
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int not_exported;
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static int internal;
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module :private;
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int not_exported_private;
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static int internal_private;
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#else
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#ifdef IMPLEMENTATION
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module;
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#endif
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void test_early() {
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in_header = 1; // expected-error {{use of undeclared identifier 'in_header'}}
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// expected-note@* {{not visible}}
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global_module_fragment = 1; // expected-error {{use of undeclared identifier 'global_module_fragment'}}
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exported = 1; // expected-error {{use of undeclared identifier 'exported'}}
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not_exported = 1; // expected-error {{use of undeclared identifier 'not_exported'}}
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// FIXME: We need better diagnostic message for static variable.
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internal = 1; // expected-error {{use of undeclared identifier 'internal'}}
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not_exported_private = 1; // expected-error {{undeclared identifier}}
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internal_private = 1; // expected-error {{undeclared identifier}}
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}
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#ifdef IMPLEMENTATION
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module A;
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#else
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import A;
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#endif
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void test_late() {
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in_header = 1; // expected-error {{missing '#include "foo.h"'; 'in_header' must be declared before it is used}}
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// expected-note@* {{not visible}}
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global_module_fragment = 1; // expected-error {{missing '#include'; 'global_module_fragment' must be declared before it is used}}
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exported = 1;
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not_exported = 1;
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#ifndef IMPLEMENTATION
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// expected-error@-2 {{use of undeclared identifier 'not_exported'; did you mean 'exported'?}}
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// expected-note@p2.cpp:18 {{'exported' declared here}}
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#endif
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internal = 1; // expected-error {{use of undeclared identifier 'internal'}}
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not_exported_private = 1;
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#ifndef IMPLEMENTATION
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// FIXME: should not be visible here
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// expected-error@-3 {{undeclared identifier}}
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#endif
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internal_private = 1; // expected-error {{use of undeclared identifier 'internal_private'}}
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}
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#endif
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