[PATCH] D48367: [modules] Fix 37878; Autoload subdirectory modulemaps with specific LangOpts

[Yuka Takahashi via Phabricator via cfe-commits]

yamaguchi updated this revision to Diff 152240.
yamaguchi added a comment.

Add a test case


https://reviews.llvm.org/D48367

Files:
  clang/include/clang/Lex/ModuleMap.h
  clang/lib/Lex/HeaderSearch.cpp
  clang/test/Modules/Inputs/autoload-subdirectory/a.h
  clang/test/Modules/Inputs/autoload-subdirectory/b.h
  clang/test/Modules/Inputs/autoload-subdirectory/include/module.modulemap
  clang/test/Modules/Inputs/autoload-subdirectory/module.modulemap
  clang/test/Modules/autoload-subdirectory.cpp


Index: clang/test/Modules/autoload-subdirectory.cpp
===================================================================
--- /dev/null
+++ clang/test/Modules/autoload-subdirectory.cpp
@@ -0,0 +1,8 @@
+// RUN: %clang -fmodules -fmodule-name=Foo -I %S/Inputs/autoload-subdirectory/ %s
+
+#include "a.h"
+
+int main() {
+  foo neko;
+  return 0;
+}
Index: clang/test/Modules/Inputs/autoload-subdirectory/module.modulemap
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/autoload-subdirectory/module.modulemap
@@ -0,0 +1,2 @@
+module a { header "a.h" }
+module b { header "b.h" }
Index: clang/test/Modules/Inputs/autoload-subdirectory/include/module.modulemap
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/autoload-subdirectory/include/module.modulemap
@@ -0,0 +1,2 @@
+module a { header "a.h" }
+module b { header "b.h" }
Index: clang/test/Modules/Inputs/autoload-subdirectory/b.h
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/autoload-subdirectory/b.h
@@ -0,0 +1 @@
+class bar {};
Index: clang/test/Modules/Inputs/autoload-subdirectory/a.h
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/autoload-subdirectory/a.h
@@ -0,0 +1,8 @@
+#include "b.h"
+
+class foo {
+  int x,y;
+  public:
+    foo() {};
+    ~foo() {};
+};
Index: clang/lib/Lex/HeaderSearch.cpp
===================================================================
--- clang/lib/Lex/HeaderSearch.cpp
+++ clang/lib/Lex/HeaderSearch.cpp
@@ -282,7 +282,8 @@
 
     // Load all module maps in the immediate subdirectories of this search
     // directory.
-    loadSubdirectoryModuleMaps(SearchDirs[Idx]);
+    if (ModMap.getLangOpts().ObjC1 || ModMap.getLangOpts().ObjC2)
+      loadSubdirectoryModuleMaps(SearchDirs[Idx]);
 
     // Look again for the module.
     Module = ModMap.findModule(ModuleName);
Index: clang/include/clang/Lex/ModuleMap.h
===================================================================
--- clang/include/clang/Lex/ModuleMap.h
+++ clang/include/clang/Lex/ModuleMap.h
@@ -110,6 +110,11 @@
   llvm::StringMap<llvm::StringSet<>> PendingLinkAsModule;
 
 public:
+  /// Get LangOpts of ModuleMap
+  const LangOptions& getLangOpts() {
+    return LangOpts;
+  }
+
   /// Use PendingLinkAsModule information to mark top level link names that
   /// are going to be replaced by export_as aliases.
   void resolveLinkAsDependencies(Module *Mod);


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