Add warning capabilities in LLVM.

[oota-llvm.git] / lib / IR / LLVMContext.cpp

diff --git a/lib/IR/LLVMContext.cpp b/lib/IR/LLVMContext.cpp
index 883bb9878fa5be8f9c744e292735ff32eb17daff..26541d81684fea99601474a792a9d2fd2eea2149 100644 (file)
--- a/lib/IR/LLVMContext.cpp
+++ b/lib/IR/LLVMContext.cpp
@@ -17,6 +17,8 @@
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Metadata.h"
+#include "llvm/Support/DiagnosticInfo.h"
+#include "llvm/Support/DiagnosticPrinter.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/SourceMgr.h"
 #include <cctype>
@@ -98,6 +100,20 @@ void *LLVMContext::getInlineAsmDiagnosticContext() const {
   return pImpl->InlineAsmDiagContext;
 }
 
+void LLVMContext::setDiagnosticHandler(DiagnosticHandlerTy DiagnosticHandler,
+                                       void *DiagnosticContext) {
+  pImpl->DiagnosticHandler = DiagnosticHandler;
+  pImpl->DiagnosticContext = DiagnosticContext;
+}
+
+LLVMContext::DiagnosticHandlerTy LLVMContext::getDiagnosticHandler() const {
+  return pImpl->DiagnosticHandler;
+}
+
+void *LLVMContext::getDiagnosticContext() const {
+  return pImpl->DiagnosticContext;
+}
+
 void LLVMContext::emitError(const Twine &ErrorStr) {
   emitError(0U, ErrorStr);
 }
@@ -112,6 +128,31 @@ void LLVMContext::emitError(const Instruction *I, const Twine &ErrorStr) {
   return emitError(LocCookie, ErrorStr);
 }
 
+void LLVMContext::diagnose(const DiagnosticInfo &DI) {
+  // If there is a report handler, use it.
+  if (pImpl->DiagnosticHandler != 0) {
+    pImpl->DiagnosticHandler(DI, pImpl->DiagnosticContext);
+    return;
+  }
+  // Otherwise, print the message with a prefix based on the severity.
+  std::string MsgStorage;
+  raw_string_ostream Stream(MsgStorage);
+  DiagnosticPrinterRawOStream DP(Stream);
+  DI.print(DP);
+  Stream.flush();
+  switch (DI.getSeverity()) {
+  case DS_Error:
+    errs() << "error: " << MsgStorage << "\n";
+    exit(1);
+  case DS_Warning:
+    errs() << "warning: " << MsgStorage << "\n";
+    break;
+  case DS_Note:
+    errs() << "note: " << MsgStorage << "\n";
+    break;
+  }
+}
+
 void LLVMContext::emitError(unsigned LocCookie, const Twine &ErrorStr) {
   // If there is no error handler installed, just print the error and exit.
   if (pImpl->InlineAsmDiagHandler == 0) {