From fb31f22b7617cb96de0c1454b645f64cde659e06 Mon Sep 17 00:00:00 2001
From: Misha Brukman <brukman+llvm@gmail.com>
Date: Thu, 18 Sep 2003 16:16:32 +0000
Subject: [PATCH] Abstract interface for module providers, e.g. streaming
 bytecode reader.

llvm-svn: 8593
---
 include/llvm/ModuleProvider.h | 40 +++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 include/llvm/ModuleProvider.h

diff --git a/include/llvm/ModuleProvider.h b/include/llvm/ModuleProvider.h
new file mode 100644
index 00000000000..19b0005ec5d
--- /dev/null
+++ b/include/llvm/ModuleProvider.h
@@ -0,0 +1,40 @@
+//===-- llvm/ModuleProvider.h - Interface for module providers --*- C++ -*-===//
+//
+// Abstract interface for providing a module.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MODULEPROVIDER_H
+#define MODULEPROVIDER_H
+
+class Function;
+class Module;
+
+class AbstractModuleProvider {
+  Module *M;
+
+protected:
+  AbstractModuleProvider();
+
+public:
+  virtual ~AbstractModuleProvider();
+
+  /// getModule - returns the module this provider is encapsulating
+  ///
+  Module* getModule() { return M; }
+
+  /// materializeFunction - make sure the given function is fully read.
+  ///
+  virtual void materializeFunction(Function *F) = 0;
+
+  /// materializeModule - make sure the entire Module has been completely read.
+  ///
+  void materializeModule();
+
+  /// releaseModule - no longer delete the Module* when provider is destroyed.
+  ///
+  Module* releaseModule() { Module *tempM = M; M = 0; return tempM; }
+
+};
+
+#endif