ext: add the source code for DSENT

This patch adds a tool called DSENT to the ext/ directory.  DSENT
is a tool that models power and area for on-chip networks.  The next
patch adds a script for using the tool.

1 files changed, 86 insertions, 0 deletions

diff --git a/ext/dsent/libutil/Log.cc b/ext/dsent/libutil/Log.cc
new file mode 100644
index 000000000..cb4266bf9
--- /dev/null
+++ b/ext/dsent/libutil/Log.cc
@@ -0,0 +1,86 @@
+#include "Log.h"
+
+#include "Assert.h"
+
+namespace LibUtil
+{
+    using std::ostream;
+    using std::endl;
+
+    Log* Log::msSingleton = NULL;
+    const bool Log::msIsLog = LIBUTIL_IS_LOG;
+
+    void Log::allocate(const String& log_file_name_)
+    {
+        if(msIsLog)
+        {
+            // Allocate static Config instance
+            ASSERT(!msSingleton, "Log singleton is allocated");
+            msSingleton = new Log(log_file_name_);
+        }
+    }
+
+    void Log::release()
+    {
+        if(msIsLog)
+        {
+            ASSERT(msSingleton, "Log singleton is not allocated");
+            delete msSingleton;
+            msSingleton = NULL;
+        }
+        return;
+    }
+
+    void Log::print(const String& str_)
+    {
+        if(msIsLog)
+        {
+            ASSERT(msSingleton, "Log singleton is not allocated");
+            msSingleton->ofs << str_;
+        }
+        return;
+    }
+
+    void Log::print(ostream& stream_, const String& str_)
+    {
+        if(msIsLog)
+        {
+            ASSERT(msSingleton, "Log singleton is not allocated");
+            msSingleton->ofs << str_;
+        }
+        stream_ << str_;
+        return;
+    }
+
+    void Log::printLine(const String& str_)
+    {
+        if(msIsLog)
+        {
+            ASSERT(msSingleton, "Log singleton is not allocated");
+            msSingleton->ofs << str_ << endl;
+        }
+        return;
+    }
+
+    void Log::printLine(ostream& stream_, const String& str_)
+    {
+        if(msIsLog)
+        {
+            ASSERT(msSingleton, "Log singleton is not allocated");
+            msSingleton->ofs << str_ << endl;
+        }
+        stream_ << str_ << endl;
+        return;
+    }
+
+    Log::Log(const String& log_file_name_)
+    {
+        ofs.open(log_file_name_.c_str());
+    }
+
+    Log::~Log()
+    {
+        ofs.close();
+    }
+}
+