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eliminate DOUT and make Debug.h not include Streams.h anymore, woo!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79835 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-08-23 07:05:39 +00:00
parent 4437ae213d
commit a36b81d64f
2 changed files with 21 additions and 58 deletions
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23
include/llvm/Support/Debug.h
View File

@ -26,8 +26,6 @@
#ifndef LLVM_SUPPORT_DEBUG_H
#define LLVM_SUPPORT_DEBUG_H
#include "llvm/Support/Streams.h"
namespace llvm {
// DebugFlag - This boolean is set to true if the '-debug' command line option
@ -40,7 +38,11 @@ extern bool DebugFlag;
// specified on the command line, or if none was specified on the command line
// with the -debug-only=X option.
//
#ifndef NDEBUG
bool isCurrentDebugType(const char *Type);
#else
#define isCurrentDebugType(X) (false)
#endif
// DEBUG_WITH_TYPE macro - This macro should be used by passes to emit debug
// information. In the '-debug' option is specified on the commandline, and if
@ -73,23 +75,6 @@ bool isCurrentDebugType(const char *Type);
#define DEBUG(X) DEBUG_WITH_TYPE(DEBUG_TYPE, X)
/// getNullOutputStream - Return a null string that does not output
/// anything. This hides the static variable from other modules.
///
OStream &getNullOutputStream();
/// 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 &getErrorOutputStream(const char *DebugType);
#ifdef NDEBUG
#define DOUT llvm::getNullOutputStream()
#else
#define DOUT llvm::getErrorOutputStream(DEBUG_TYPE)
#endif
} // End llvm namespace
#endif

40
lib/Support/Debug.cpp
View File

@ -29,28 +29,26 @@ using namespace llvm;
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.
static cl::opt<bool, true>
Debug("debug", cl::desc("Enable debug output"), cl::Hidden,
// -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));
static std::string CurrentDebugType;
static struct DebugOnlyOpt {
static std::string CurrentDebugType;
static struct DebugOnlyOpt {
void operator=(const std::string &Val) const {
DebugFlag |= !Val.empty();
CurrentDebugType = Val;
}
} DebugOnlyOptLoc;
} DebugOnlyOptLoc;
static cl::opt<DebugOnlyOpt, true, cl::parser<std::string> >
DebugOnly("debug-only", cl::desc("Enable a specific type of debug output"),
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);
#endif
}
// 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
@ -63,23 +61,3 @@ bool llvm::isCurrentDebugType(const char *DebugType) {
return false;
#endif
}
/// getNullOutputStream - Return a null string that does not output
/// anything. This hides the static variable from other modules.
///
OStream &llvm::getNullOutputStream() {
static llvm::OStream NullStream(0);
return NullStream;
}
// 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;
}