//===-- llvm/ModuleProvider.h - Interface for module providers --*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file provides an abstract interface for loading a module from some
#ifndef MODULEPROVIDER_H
#define MODULEPROVIDER_H
+namespace llvm {
+
class Function;
class Module;
///
Module* getModule() { return TheModule; }
- /// materializeFunction - make sure the given function is fully read.
+ /// materializeFunction - make sure the given function is fully read. Note
+ /// that this can throw an exception if the module is corrupt!
///
virtual void materializeFunction(Function *F) = 0;
/// materializeModule - make sure the entire Module has been completely read.
+ /// Note that this can throw an exception if the module is corrupt!
///
- Module* materializeModule();
+ virtual Module* materializeModule() = 0;
/// releaseModule - no longer delete the Module* when provider is destroyed.
+ /// Note that this can throw an exception if the module is corrupt!
///
- virtual Module* releaseModule() {
+ virtual Module* releaseModule() {
// Since we're losing control of this Module, we must hand it back complete
materializeModule();
- Module *tempM = TheModule;
- TheModule = 0;
- return tempM;
+ Module *tempM = TheModule;
+ TheModule = 0;
+ return tempM;
+ }
+};
+
+
+/// ExistingModuleProvider - Allow conversion from a fully materialized Module
+/// into a ModuleProvider, allowing code that expects a ModuleProvider to work
+/// if we just have a Module. Note that the ModuleProvider takes ownership of
+/// the Module specified.
+struct ExistingModuleProvider : public ModuleProvider {
+ ExistingModuleProvider(Module *M) {
+ TheModule = M;
}
+ void materializeFunction(Function *F) {}
+ Module* materializeModule() { return TheModule; }
};
+} // End llvm namespace
+
#endif