[Refinery] Introduce TypePropagatorAnalyzer - pointer types.

syzygy/refinery/types/type_repository.cc

Index: syzygy/refinery/types/type_repository.cc
diff --git a/syzygy/refinery/types/type_repository.cc b/syzygy/refinery/types/type_repository.cc
index ca89e5e2c2d013dbb2d75a5db9baecfc2f145e70..1a1adff03c0397b6772079d7bd5357c640224ba2 100644
--- a/syzygy/refinery/types/type_repository.cc
+++ b/syzygy/refinery/types/type_repository.cc
@@ -19,7 +19,11 @@
 
 namespace refinery {
 
-TypeRepository::TypeRepository() {
+TypeRepository::TypeRepository() : is_signature_set_(false) {
+}
+
+TypeRepository::TypeRepository(const pe::PEFile::Signature& signature)
+    : is_signature_set_(true), signature_(signature) {
 }
 
 TypeRepository::~TypeRepository() {
@@ -57,6 +61,15 @@ bool TypeRepository::AddTypeWithId(TypePtr type, TypeId id) {
   return true;
 }
 
+bool TypeRepository::GetModuleSignature(pe::PEFile::Signature* signature) {
+  DCHECK(signature);
+
+  if (!is_signature_set_)
+    return false;
+  *signature = signature_;
+  return true;
+}
+
 size_t TypeRepository::size() const {
   return types_.size();
 }