class Instruction;
class Module;
class SMDiagnostic;
+class DiagnosticInfo;
template <typename T> class SmallVectorImpl;
/// This is an important class for using LLVM in a threaded context. It
typedef void (*InlineAsmDiagHandlerTy)(const SMDiagnostic&, void *Context,
unsigned LocCookie);
+ /// Defines the type of a diagnostic handler.
+ /// \see LLVMContext::setDiagnosticHandler.
+ /// \see LLVMContext::diagnose.
+ typedef void (*DiagnosticHandlerTy)(const DiagnosticInfo &DI, void *Context);
+
/// 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 and the second is a context pointer that
/// setInlineAsmDiagnosticHandler.
void *getInlineAsmDiagnosticContext() const;
+ /// setDiagnosticHandler - This method sets a handler that is invoked
+ /// when the backend needs to report anything to the user. The first
+ /// argument is a function pointer and the second is a context pointer that
+ /// gets passed into the DiagHandler.
+ ///
+ /// LLVMContext doesn't take ownership or interpret either of these
+ /// pointers.
+ void setDiagnosticHandler(DiagnosticHandlerTy DiagHandler,
+ void *DiagContext = 0);
+
+ /// getDiagnosticHandler - Return the diagnostic handler set by
+ /// setDiagnosticHandler.
+ DiagnosticHandlerTy getDiagnosticHandler() const;
+
+ /// getDiagnosticContext - Return the diagnostic context set by
+ /// setDiagnosticContext.
+ void *getDiagnosticContext() const;
+
+ /// diagnose - Report a message to the currently installed diagnostic handler.
+ /// This function returns, in particular in the case of error reporting
+ /// (DI.Severity == RS_Error), so the caller should leave the compilation
+ /// process in a self-consistent state, even though the generated code
+ /// need not be correct.
+ /// The diagnostic message will be implicitly prefixed with a severity
+ /// keyword according to \p DI.getSeverity(), i.e., "error: "
+ /// for RS_Error, "warning: " for RS_Warning, and "note: " for RS_Note.
+ void diagnose(const DiagnosticInfo &DI);
/// emitError - Emit an error message to the currently installed error handler
/// with optional location information. This function returns, so code should