X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FLLVMContext.h;h=e5b77777d9f01d98eff5e58ee4df5fa959dc9dae;hb=9a376a8003c486054ea4d7c2465cb90b501c9893;hp=5e8cd1a88e026c3bc2e03a9f70b86e442d1bdc9e;hpb=937b1e92a9862862722732cb0f72d5ade77ac4c8;p=oota-llvm.git

diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h
index 5e8cd1a88e0..e5b77777d9f 100644
--- a/include/llvm/LLVMContext.h
+++ b/include/llvm/LLVMContext.h
@@ -18,26 +18,83 @@
 namespace llvm {
 
 class LLVMContextImpl;
-class Metadata;
+class StringRef;
+class Instruction;
+class Module;
+template <typename T> class SmallVectorImpl;
+
 /// This is an important class for using LLVM in a threaded context.  It
 /// (opaquely) owns and manages the core "global" data of LLVM's core 
 /// infrastructure, including the type and constant uniquing tables.
 /// LLVMContext itself provides no locking guarantees, so you should be careful
 /// to have one context per thread.
 class LLVMContext {
-  // DO NOT IMPLEMENT
-  LLVMContext(LLVMContext&);
-  void operator=(LLVMContext&);
 public:
-  LLVMContextImpl* pImpl;
-  Metadata &getMetadata();
-  bool RemoveDeadMetadata();
+  LLVMContextImpl *const pImpl;
   LLVMContext();
   ~LLVMContext();
+  
+  // Pinned metadata names, which always have the same value.  This is a
+  // compile-time performance optimization, not a correctness optimization.
+  enum {
+    MD_dbg = 0,  // "dbg"
+    MD_tbaa = 1  // "tbaa"
+  };
+  
+  /// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
+  /// This ID is uniqued across modules in the current LLVMContext.
+  unsigned getMDKindID(StringRef Name) const;
+  
+  /// getMDKindNames - Populate client supplied SmallVector with the name for
+  /// custom metadata IDs registered in this LLVMContext.
+  void getMDKindNames(SmallVectorImpl<StringRef> &Result) const;
+  
+  /// setInlineAsmDiagnosticHandler - This method sets a handler that is invoked
+  /// when problems with inline asm are detected by the backend.  The first
+  /// argument is a function pointer (of type SourceMgr::DiagHandlerTy) and the
+  /// second is a context pointer that gets passed into the DiagHandler.
+  ///
+  /// LLVMContext doesn't take ownership or interpreter either of these
+  /// pointers.
+  void setInlineAsmDiagnosticHandler(void *DiagHandler, void *DiagContext = 0);
+
+  /// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by
+  /// setInlineAsmDiagnosticHandler.
+  void *getInlineAsmDiagnosticHandler() const;
+
+  /// getInlineAsmDiagnosticContext - Return the diagnostic context set by
+  /// setInlineAsmDiagnosticHandler.
+  void *getInlineAsmDiagnosticContext() const;
+  
+  
+  /// emitError - Emit an error message to the currently installed error handler
+  /// with optional location information.  This function returns, so code should
+  /// be prepared to drop the erroneous construct on the floor and "not crash".
+  /// The generated code need not be correct.  The error message will be
+  /// implicitly prefixed with "error: " and should not end with a ".".
+  void emitError(unsigned LocCookie, StringRef ErrorStr);
+  void emitError(const Instruction *I, StringRef ErrorStr);
+  void emitError(StringRef ErrorStr);
+
+private:
+  // DO NOT IMPLEMENT
+  LLVMContext(LLVMContext&);
+  void operator=(LLVMContext&);
+
+  /// addModule - Register a module as being instantiated in this context.  If
+  /// the context is deleted, the module will be deleted as well.
+  void addModule(Module*);
+  
+  /// removeModule - Unregister a module from this context.
+  void removeModule(Module*);
+  
+  // Module needs access to the add/removeModule methods.
+  friend class Module;
 };
 
-/// FOR BACKWARDS COMPATIBILITY - Returns a global context.
-extern LLVMContext& getGlobalContext();
+/// getGlobalContext - Returns a global context.  This is for LLVM clients that
+/// only care about operating on a single thread.
+extern LLVMContext &getGlobalContext();
 
 }