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Permit keywords in module names in #pragma clang module *.

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This is necessary to be able to build a libc++ module from preprocessed source
(due to the submodule std.new).

llvm-svn: 302312
This commit is contained in:
Richard Smith
2017-05-05 22:34:07 +00:00
parent a49e768977
commit ce03732ec8
2 changed files with 6 additions and 5 deletions
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2
clang/lib/Lex/Pragma.cpp
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@@ -1307,7 +1307,7 @@ static bool LexModuleName(
&ModuleName) {
while (true) {
PP.LexUnexpandedToken(Tok);
if (Tok.isNot(tok::identifier)) {
if (Tok.isAnnotation() || !Tok.getIdentifierInfo()) {
PP.Diag(Tok.getLocation(), diag::err_pp_expected_module_name)
<< ModuleName.empty();
return true;

9
clang/test/Preprocessor/pragma_module.c
View File

@@ -1,13 +1,14 @@
// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: echo 'module foo { module a {} module b {} } module bar {}' > %t/module.map
// RUN: %clang -cc1 -E -fmodules %s -verify -fmodule-name=foo -fmodule-map-file=%t/module.map
// RUN: %clang -cc1 -E -fmodules %s -verify -fmodule-name=foo -fmodule-map-file=%t/module.map -fmodules-local-submodule-visibility -DLOCAL_VIS
// RUN: echo 'module foo { module a {} module b {} } module bar {} module if {}' > %t/module.map
// RUN: %clang -cc1 -fmodules -fmodule-name=if -x c %t/module.map -emit-module -o %t/if.pcm
// RUN: %clang -cc1 -E -fmodules %s -fmodule-file=%t/if.pcm -verify -fmodule-name=foo -fmodule-map-file=%t/module.map
// RUN: %clang -cc1 -E -fmodules %s -fmodule-file=%t/if.pcm -verify -fmodule-name=foo -fmodule-map-file=%t/module.map -fmodules-local-submodule-visibility -DLOCAL_VIS
// Just checking the syntax here; the semantics are tested elsewhere.
#pragma clang module import // expected-error {{expected module name}}
#pragma clang module import ! // expected-error {{expected module name}}
#pragma clang module import if // expected-error {{expected module name}}
#pragma clang module import if // ok
#pragma clang module import foo ? bar // expected-warning {{extra tokens at end of #pragma}}
#pragma clang module import foo. // expected-error {{expected identifier after '.' in module name}}
#pragma clang module import foo.bar.baz.quux // expected-error {{no submodule named 'bar' in module 'foo'}}