Remove attribution from file headers, per discussion on llvmdev.

[oota-llvm.git] / lib / Support / Debug.cpp

diff --git a/lib/Support/Debug.cpp b/lib/Support/Debug.cpp
index 57ed27a5b9554cbdd0fa53fc0d19b79db2f0246c..29eda26c6896b6d9ee90527b4b0d0a2e835351fb 100644 (file)
--- a/lib/Support/Debug.cpp
+++ b/lib/Support/Debug.cpp
@@ -1,5 +1,12 @@
 //===-- Debug.cpp - An easy way to add debug output to your code ----------===//
 //
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
 // This file implements a handle way of adding debugging information to your
 // code, without it being enabled all of the time, and without having to add
 // command line options to enable it.
@@ -16,10 +23,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "Support/Statistic.h"
-#include "Support/CommandLine.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
+using namespace llvm;
 
-bool DebugFlag;  // DebugFlag - Exported boolean set by the -debug option
+bool llvm::DebugFlag;  // DebugFlag - Exported boolean set by the -debug option
 
 namespace {
 #ifndef NDEBUG
@@ -48,6 +56,22 @@ namespace {
 // specified on the command line, or if none was specified on the command line
 // with the -debug-only=X option.
 //
-bool isCurrentDebugType(const char *DebugType) {
+bool llvm::isCurrentDebugType(const char *DebugType) {
+#ifndef NDEBUG
   return CurrentDebugType.empty() || DebugType == CurrentDebugType;
+#else
+  return false;
+#endif
+}
+
+// getErrorOutputStream - Returns the error output stream (std::cerr). This
+// places the std::c* I/O streams into one .cpp file and relieves the whole
+// program from having to have hundreds of static c'tor/d'tors for them.
+// 
+OStream &llvm::getErrorOutputStream(const char *DebugType) {
+  static OStream cnoout(0);
+  if (DebugFlag && isCurrentDebugType(DebugType))
+    return cerr;
+  else
+    return cnoout;
 }