Trailing whitespace.

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

diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h
index 6d36d5eb1e37dfdd251e53a80d2bbaa8f14eb3db..e5b77777d9f01d98eff5e58ee4df5fa959dc9dae 100644 (file)
--- a/include/llvm/LLVMContext.h
+++ b/include/llvm/LLVMContext.h
@@ -19,6 +19,8 @@ namespace llvm {
 
 class LLVMContextImpl;
 class StringRef;
+class Instruction;
+class Module;
 template <typename T> class SmallVectorImpl;
 
 /// This is an important class for using LLVM in a threaded context.  It
@@ -27,23 +29,67 @@ template <typename T> class SmallVectorImpl;
 /// 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 *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.   ID #0 is not used,
-  /// so it is filled in as an empty string.
+  /// 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;
 };
 
 /// getGlobalContext - Returns a global context.  This is for LLVM clients that