//===-- Debug.cpp - An easy way to add debug output to your code ----------===//
-//
+//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+// 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
//
//===----------------------------------------------------------------------===//
-#include "llvm/Support/Debug.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
using namespace llvm;
+// All Debug.h functionality is a no-op in NDEBUG mode.
+#ifndef NDEBUG
bool llvm::DebugFlag; // DebugFlag - Exported boolean set by the -debug option
-namespace {
-#ifndef NDEBUG
- // -debug - Command line option to enable the DEBUG statements in the passes.
- // This flag may only be enabled in debug builds.
- cl::opt<bool, true>
- Debug("debug", cl::desc("Enable debug output"), cl::Hidden,
- cl::location(DebugFlag));
+// -debug - Command line option to enable the DEBUG statements in the passes.
+// This flag may only be enabled in debug builds.
+static cl::opt<bool, true>
+Debug("debug", cl::desc("Enable debug output"), cl::Hidden,
+ cl::location(DebugFlag));
- std::string CurrentDebugType;
- struct DebugOnlyOpt {
- void operator=(const std::string &Val) const {
- DebugFlag |= !Val.empty();
- CurrentDebugType = Val;
- }
- } DebugOnlyOptLoc;
+static std::string CurrentDebugType;
+static struct DebugOnlyOpt {
+ void operator=(const std::string &Val) const {
+ DebugFlag |= !Val.empty();
+ CurrentDebugType = Val;
+ }
+} DebugOnlyOptLoc;
- cl::opt<DebugOnlyOpt, true, cl::parser<std::string> >
- DebugOnly("debug-only", cl::desc("Enable a specific type of debug output"),
- cl::Hidden, cl::value_desc("debug string"),
- cl::location(DebugOnlyOptLoc), cl::ValueRequired);
-#endif
-}
+static cl::opt<DebugOnlyOpt, true, cl::parser<std::string> >
+DebugOnly("debug-only", cl::desc("Enable a specific type of debug output"),
+ cl::Hidden, cl::value_desc("debug string"),
+ cl::location(DebugOnlyOptLoc), cl::ValueRequired);
// isCurrentDebugType - Return true if the specified string is the debug type
// specified on the command line, or if none was specified on the command line
// with the -debug-only=X option.
//
bool llvm::isCurrentDebugType(const char *DebugType) {
-#ifndef NDEBUG
return CurrentDebugType.empty() || DebugType == CurrentDebugType;
+}
+
+/// SetCurrentDebugType - Set the current debug type, as if the -debug-only=X
+/// option were specified. Note that DebugFlag also needs to be set to true for
+/// debug output to be produced.
+///
+void llvm::SetCurrentDebugType(const char *Type) {
+ CurrentDebugType = Type;
+}
+
#else
- return false;
-#endif
+// Avoid "has no symbols" warning.
+namespace llvm {
+int Debug_dummy = 0;
}
+#endif