Do not let 'ftostr' return a string that starts with spaces. This allows

[oota-llvm.git] / include / llvm / ModuleProvider.h

diff --git a/include/llvm/ModuleProvider.h b/include/llvm/ModuleProvider.h
index 8d4b1d23af5c26948d6b14057307cc6110930e4c..8af3196accdbe29de69e2eadd9eedbaea883c42d 100644 (file)
--- a/include/llvm/ModuleProvider.h
+++ b/include/llvm/ModuleProvider.h
@@ -18,6 +18,8 @@
 #ifndef MODULEPROVIDER_H
 #define MODULEPROVIDER_H
 
+namespace llvm {
+
 class Function;
 class Module;
 
@@ -33,15 +35,18 @@ public:
   ///
   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() { 
     // Since we're losing control of this Module, we must hand it back complete
@@ -52,4 +57,19 @@ public:
   }
 };
 
+
+/// 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