Parse inferred submodules in module maps, track their contents in

Module, and (de-)serialize this information. Semantics of inferred
submodules to follow.

llvm-svn: 145864

2 files changed, 18 insertions, 1 deletions

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 8d957e26335..ebc1795a268 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -3049,11 +3049,19 @@ ASTReader::ASTReadResult ASTReader::ReadSubmoduleBlock(ModuleFile &F) {
         return Failure;
       }
 
+      if (Record.size() < 6) {
+        Error("malformed module definition");
+        return Failure;
+      }
+      
       StringRef Name(BlobStart, BlobLen);
       unsigned Parent = getGlobalSubmoduleID(F, Record[0]);
       bool IsFramework = Record[1];
       bool IsExplicit = Record[2];
-
+      bool InferSubmodules = Record[3];
+      bool InferExplicitSubmodules = Record[4];
+      bool InferExportWildcard = Record[5];
+      
       Module *ParentModule = 0;
       if (Parent)
         ParentModule = getSubmodule(Parent);
@@ -3070,6 +3078,9 @@ ASTReader::ASTReadResult ASTReader::ReadSubmoduleBlock(ModuleFile &F) {
         return Failure;
       }
       
+      CurrentModule->InferSubmodules = InferSubmodules;
+      CurrentModule->InferExplicitSubmodules = InferExplicitSubmodules;
+      CurrentModule->InferExportWildcard = InferExportWildcard;
       if (DeserializationListener)
         DeserializationListener->ModuleRead(
           CurrentModuleGlobalIndex + NUM_PREDEF_SUBMODULE_IDS, 
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 3e91e55228e..d31eef9e19a 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -1884,6 +1884,9 @@ void ASTWriter::WriteSubmodules(Module *WritingModule) {
   Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // Parent
   Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsFramework
   Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsExplicit
+  Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InferExplicit...
+  Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // IsExplicit
+  Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // InferExportWild...
   Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Name
   unsigned DefinitionAbbrev = Stream.EmitAbbrev(Abbrev);
 
@@ -1923,6 +1926,9 @@ void ASTWriter::WriteSubmodules(Module *WritingModule) {
     }
     Record.push_back(Mod->IsFramework);
     Record.push_back(Mod->IsExplicit);
+    Record.push_back(Mod->InferSubmodules);
+    Record.push_back(Mod->InferExplicitSubmodules);
+    Record.push_back(Mod->InferExportWildcard);
     Stream.EmitRecordWithBlob(DefinitionAbbrev, Record, Mod->Name);
     
     // Emit the umbrella header, if there is one.