ee977933f7
This flag specifies that the normal visibility rules should be used even for local submodules (submodules of the currently-being-built module). Thus names will only be visible if a header / module that declares them has actually been included / imported, and not merely because a submodule that happened to be built earlier declared those names. This also removes the need to modularize bottom-up: textually-included headers will be included into every submodule that includes them, since their include guards will not leak between modules. So far, this only governs visibility of macros, not of declarations, so is not ready for real use yet. llvm-svn: 236350
137 lines
5.5 KiB
C++
137 lines
5.5 KiB
C++
// RUN: rm -rf %t
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// RUN: cd %S
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//
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// RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
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// RUN: -v \
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// RUN: -iquote Inputs/macro-ambiguity/a/quote \
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// RUN: -isystem Inputs/macro-ambiguity/a/system \
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// RUN: -fno-implicit-modules -fno-modules-implicit-maps \
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// RUN: -fmodule-map-file-home-is-cwd \
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// RUN: -emit-module -fmodule-name=a -o %t/a.pcm \
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// RUN: Inputs/macro-ambiguity/module.modulemap
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//
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// RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
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// RUN: -v \
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// RUN: -iquote Inputs/macro-ambiguity/b/quote \
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// RUN: -isystem Inputs/macro-ambiguity/b/system \
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// RUN: -fno-implicit-modules -fno-modules-implicit-maps \
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// RUN: -fmodule-map-file-home-is-cwd \
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// RUN: -emit-module -fmodule-name=b -o %t/b.pcm \
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// RUN: Inputs/macro-ambiguity/module.modulemap
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//
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// RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
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// RUN: -v \
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// RUN: -iquote Inputs/macro-ambiguity/c/quote \
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// RUN: -isystem Inputs/macro-ambiguity/c/system \
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// RUN: -fno-implicit-modules -fno-modules-implicit-maps \
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// RUN: -fmodule-map-file-home-is-cwd \
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// RUN: -emit-module -fmodule-name=c -o %t/c.pcm \
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// RUN: Inputs/macro-ambiguity/module.modulemap
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//
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// RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
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// RUN: -v \
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// RUN: -iquote Inputs/macro-ambiguity/d/quote \
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// RUN: -isystem Inputs/macro-ambiguity/d/system \
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// RUN: -fno-implicit-modules -fno-modules-implicit-maps \
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// RUN: -fmodule-map-file-home-is-cwd \
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// RUN: -emit-module -fmodule-name=d -o %t/d.pcm \
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// RUN: Inputs/macro-ambiguity/module.modulemap
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//
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// RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
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// RUN: -v \
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// RUN: -iquote Inputs/macro-ambiguity/a/quote \
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// RUN: -isystem Inputs/macro-ambiguity/a/system \
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// RUN: -iquote Inputs/macro-ambiguity/b/quote \
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// RUN: -isystem Inputs/macro-ambiguity/b/system \
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// RUN: -iquote Inputs/macro-ambiguity/c/quote \
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// RUN: -isystem Inputs/macro-ambiguity/c/system \
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// RUN: -iquote Inputs/macro-ambiguity/d/quote \
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// RUN: -isystem Inputs/macro-ambiguity/d/system \
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// RUN: -iquote Inputs/macro-ambiguity/e/quote \
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// RUN: -isystem Inputs/macro-ambiguity/e/system \
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// RUN: -fno-implicit-modules -fno-modules-implicit-maps \
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// RUN: -fmodule-map-file-home-is-cwd \
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// RUN: -fmodule-map-file=Inputs/macro-ambiguity/module.modulemap \
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// RUN: -fmodule-file=%t/a.pcm \
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// RUN: -fmodule-file=%t/b.pcm \
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// RUN: -fmodule-file=%t/c.pcm \
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// RUN: -fmodule-file=%t/d.pcm \
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// RUN: -Wambiguous-macro -verify macro-ambiguity.cpp
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//
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// RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
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// RUN: -v -fmodules-local-submodule-visibility \
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// RUN: -iquote Inputs/macro-ambiguity/a/quote \
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// RUN: -isystem Inputs/macro-ambiguity/a/system \
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// RUN: -iquote Inputs/macro-ambiguity/b/quote \
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// RUN: -isystem Inputs/macro-ambiguity/b/system \
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// RUN: -iquote Inputs/macro-ambiguity/c/quote \
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// RUN: -isystem Inputs/macro-ambiguity/c/system \
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// RUN: -iquote Inputs/macro-ambiguity/d/quote \
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// RUN: -isystem Inputs/macro-ambiguity/d/system \
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// RUN: -iquote Inputs/macro-ambiguity/e/quote \
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// RUN: -isystem Inputs/macro-ambiguity/e/system \
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// RUN: -fno-implicit-modules -fno-modules-implicit-maps \
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// RUN: -fmodule-map-file-home-is-cwd \
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// RUN: -fmodule-map-file=Inputs/macro-ambiguity/module.modulemap \
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// RUN: -fmodule-file=%t/a.pcm \
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// RUN: -fmodule-file=%t/b.pcm \
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// RUN: -fmodule-file=%t/c.pcm \
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// RUN: -fmodule-file=%t/d.pcm \
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// RUN: -Wambiguous-macro -verify macro-ambiguity.cpp
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// Include the textual headers first to maximize the ways in which things can
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// become ambiguous.
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#include "e_quote.h"
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#include <e_system.h>
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#include "a_quote.h"
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#include <a_system.h>
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#include "b_quote.h"
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#include <b_system.h>
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#include "c_quote.h"
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#include <c_system.h>
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#include "d_quote.h"
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#include <d_system.h>
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int test(int x) {
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// We expect to get warnings for all of the quoted includes but none of the
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// system includes here because the first module is a non-system module and
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// the quote macros come from non-system-headers.
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x = FOO1_QUOTE(x); // expected-warning {{ambiguous expansion of macro}}
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// expected-note@Inputs/macro-ambiguity/c/quote/c_quote.h:4 {{expanding this definition}}
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// expected-note@Inputs/macro-ambiguity/a/quote/a_quote.h:4 {{other definition}}
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x = FOO1_SYSTEM(x);
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x = BAR1_QUOTE(x); // expected-warning {{ambiguous expansion of macro}}
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// expected-note@Inputs/macro-ambiguity/d/quote/d_quote.h:4 {{expanding this definition}}
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// expected-note@Inputs/macro-ambiguity/a/quote/a_quote.h:5 {{other definition}}
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x = BAR1_SYSTEM(x);
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x = BAZ1_QUOTE(x); // expected-warning {{ambiguous expansion of macro}}
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// expected-note@Inputs/macro-ambiguity/a/quote/a_quote.h:6 {{expanding this definition}}
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// expected-note@Inputs/macro-ambiguity/e/quote/e_quote.h:4 {{other definition}}
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x = BAZ1_SYSTEM(x);
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// Here, we don't even warn on bar because in that cas both b and d are
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// system modules and so the use of non-system headers is irrelevant.
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x = FOO2_QUOTE(x); // expected-warning {{ambiguous expansion of macro}}
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// expected-note@Inputs/macro-ambiguity/c/quote/c_quote.h:5 {{expanding this definition}}
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// expected-note@Inputs/macro-ambiguity/b/quote/b_quote.h:4 {{other definition}}
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x = FOO2_SYSTEM(x);
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x = BAR2_QUOTE(x);
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x = BAR2_SYSTEM(x);
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x = BAZ2_QUOTE(x); // expected-warning {{ambiguous expansion of macro}}
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// expected-note@Inputs/macro-ambiguity/b/quote/b_quote.h:6 {{expanding this definition}}
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// expected-note@Inputs/macro-ambiguity/e/quote/e_quote.h:5 {{other definition}}
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x = BAZ2_SYSTEM(x);
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return x;
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}
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