[coroutines] Support "coroutines" feature in module map requires clause

Summary: In order for libc++ to add `<experimental/coroutine>` to its module map, there has to be a feature that can be used to detect if coroutines support is enabled in Clang. 

Reviewers: rsmith

Reviewed By: rsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D33538

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@304107 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2017-05-28 21:07:22 +00:00
parent 1995be1cfd
commit 384ca6f633
7 changed files with 31 additions and 1 deletions

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@ -413,6 +413,9 @@ altivec
blocks
The "blocks" language feature is available.
coroutines
Support for the coroutines TS is available.
cplusplus
C++ support is available.

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@ -64,6 +64,7 @@ static bool hasFeature(StringRef Feature, const LangOptions &LangOpts,
bool HasFeature = llvm::StringSwitch<bool>(Feature)
.Case("altivec", LangOpts.AltiVec)
.Case("blocks", LangOpts.Blocks)
.Case("coroutines", LangOpts.CoroutinesTS)
.Case("cplusplus", LangOpts.CPlusPlus)
.Case("cplusplus11", LangOpts.CPlusPlus11)
.Case("freestanding", LangOpts.Freestanding)

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@ -27,6 +27,7 @@ int glob;
// CHECK-DMOD-NEXT: [ppIncludedFile]: {{.*}}/Modules/Inputs/Module.framework{{[/\\]}}Headers{{[/\\]}}Module.h | name: "Module/Module.h" | hash loc: {{.*}}/Modules/Inputs/DependsOnModule.framework{{[/\\]}}Headers{{[/\\]}}DependsOnModule.h:1:1 | isImport: 0 | isAngled: 1 | isModule: 1 | module: Module
// CHECK-DMOD-NEXT: [ppIncludedFile]: [[DMOD_OTHER_H:.*/Modules/Inputs/DependsOnModule\.framework[/\\]Headers[/\\]other\.h]] | {{.*}} | hash loc: <invalid> | {{.*}} | module: DependsOnModule
// CHECK-DMOD-NEXT: [ppIncludedFile]: [[DMOD_NOT_CXX_H:.*/Modules/Inputs/DependsOnModule\.framework[/\\]Headers[/\\]not_cxx\.h]] | {{.*}} | hash loc: <invalid> | {{.*}} | module: DependsOnModule.NotCXX
// CHECK-DMOD-NEXT: [ppIncludedFile]: [[DMOD_NOT_CORO_H:.*/Modules/Inputs/DependsOnModule\.framework[/\\]Headers[/\\]not_coroutines\.h]] | {{.*}} | hash loc: <invalid> | {{.*}} | module: DependsOnModule.NotCoroutines
// CHECK-DMOD-NEXT: [ppIncludedFile]: [[DMOD_SUB_H:.*/Modules/Inputs/DependsOnModule\.framework[/\\]Frameworks[/\\]SubFramework\.framework[/\\]Headers[/\\]SubFramework\.h]] | {{.*}} | hash loc: <invalid> | {{.*}} | module: DependsOnModule.SubFramework
// CHECK-DMOD-NEXT: [ppIncludedFile]: [[DMOD_SUB_OTHER_H:.*/Modules/Inputs/DependsOnModule.framework[/\\]Frameworks[/\\]SubFramework\.framework[/\\]Headers[/\\]Other\.h]] | name: "SubFramework/Other.h" | hash loc: [[DMOD_SUB_H]]:1:1 | isImport: 0 | isAngled: 0 | isModule: 0 | module: DependsOnModule.SubFramework.Other
// CHECK-DMOD-NEXT: [ppIncludedFile]: [[DMOD_PRIVATE_H:.*/Modules/Inputs/DependsOnModule.framework[/\\]PrivateHeaders[/\\]DependsOnModulePrivate.h]] | {{.*}} | hash loc: <invalid> | {{.*}} | module: DependsOnModule.Private.DependsOnModule

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@ -0,0 +1,3 @@
#ifndef __cpp_coroutines
#error coroutines must be enabled
#endif

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@ -0,0 +1,3 @@
#ifdef __cpp_coroutines
#error coroutines must NOT be enabled
#endif

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@ -22,7 +22,14 @@ framework module DependsOnModule {
explicit module CustomReq2 {
requires custom_req2
}
explicit module Coroutines {
requires coroutines
header "coroutines.h"
}
explicit module NotCoroutines {
requires !coroutines
header "not_coroutines.h"
}
explicit framework module SubFramework {
umbrella header "SubFramework.h"

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@ -0,0 +1,12 @@
// RUN: rm -rf %t
// RUN: %clang_cc1 -Wauto-import -fmodules-cache-path=%t -fmodules -fimplicit-module-maps -F %S/Inputs %s -verify
// RUN: %clang_cc1 -Wauto-import -fmodules-cache-path=%t -fmodules -fimplicit-module-maps -F %S/Inputs %s -verify -fcoroutines-ts -DCOROUTINES
#ifdef COROUTINES
@import DependsOnModule.Coroutines;
@import DependsOnModule.NotCoroutines; // expected-error {{module 'DependsOnModule.NotCoroutines' is incompatible with feature 'coroutines'}}
#else
@import DependsOnModule.NotCoroutines;
@import DependsOnModule.Coroutines; // expected-error {{module 'DependsOnModule.Coroutines' requires feature 'coroutines'}}
#endif