Add the notion of "framework" modules to module maps. Framework

modules (obviously) describe frameworks, and understand the header
layout of frameworks.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144921 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 4 deletions

diff --git a/include/clang/Lex/ModuleMap.h b/include/clang/Lex/ModuleMap.h
index b1eaebddb2..f4eb773e70 100644
--- a/include/clang/Lex/ModuleMap.h
+++ b/include/clang/Lex/ModuleMap.h
@@ -59,19 +59,23 @@ public:
     /// \brief The headers that are part of this module.
     llvm::SmallVector<const FileEntry *, 2> Headers;
     
+    /// \brief Whether this is a framework module.
+    bool IsFramework;
+    
     /// \brief Whether this is an explicit submodule.
     bool IsExplicit;
     
     /// \brief Construct a top-level module.
-    explicit Module(StringRef Name, SourceLocation DefinitionLoc)
+    explicit Module(StringRef Name, SourceLocation DefinitionLoc,
+                    bool IsFramework)
       : Name(Name), DefinitionLoc(DefinitionLoc), Parent(0), UmbrellaHeader(0),
-        IsExplicit(false) { }
+        IsFramework(IsFramework), IsExplicit(false) { }
     
     /// \brief Construct  a new module or submodule.
     Module(StringRef Name, SourceLocation DefinitionLoc, Module *Parent, 
-           bool IsExplicit)
+           bool IsFramework, bool IsExplicit)
       : Name(Name), DefinitionLoc(DefinitionLoc), Parent(Parent), 
-        UmbrellaHeader(0), IsExplicit(IsExplicit) {
+        UmbrellaHeader(0), IsFramework(IsFramework), IsExplicit(IsExplicit) {
     }
      
     ~Module();
@@ -79,6 +83,18 @@ public:
     /// \brief Determine whether this module is a submodule.
     bool isSubModule() const { return Parent != 0; }
     
+    /// \brief Determine whether this module is a part of a framework,
+    /// either because it is a framework module or because it is a submodule
+    /// of a framework module.
+    bool isPartOfFramework() const {
+      for (const Module *Mod = this; Mod; Mod = Mod->Parent) 
+        if (Mod->IsFramework)
+          return true;
+      
+      return false;
+    }
+    
+    
     /// \brief Retrieve the full name of this module, including the path from
     /// its top-level module.
     std::string getFullModuleName() const;