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, 57 insertions, 0 deletions

diff --git a/ext/dsent/libutil/OptionParser.h b/ext/dsent/libutil/OptionParser.h
new file mode 100644
index 000000000..b98012a80
--- /dev/null
+++ b/ext/dsent/libutil/OptionParser.h
@@ -0,0 +1,57 @@
+#ifndef __LIBUTIL_OPTION_PARSER_H__
+#define __LIBUTIL_OPTION_PARSER_H__
+
+#include <vector>
+
+#include "Map.h"
+
+namespace LibUtil
+{
+    using std::vector;
+
+    // Simple option parser
+    class OptionParser : public StringMap
+    {
+        private:
+            class OptionInfo
+            {
+                public:
+                    OptionInfo(const String& var_name_, bool has_arg_, const String& arg_name_, bool has_default_arg_value_, const String& default_arg_value_, const String& description_);
+                    ~OptionInfo();
+
+                public:
+                    inline const String& getVarName() const { return m_var_name_; }
+                    inline bool hasArg() const { return m_has_arg_; }
+                    inline const String& getArgName() const { return m_arg_name_; }
+                    inline bool hasDefaultArgValue() const { return m_has_default_arg_value_; }
+                    inline const String& getDefaultArgValue() const { return m_default_arg_value_; }
+                    inline const String& getDescription() const { return m_description_; }
+
+                private:
+                    String m_var_name_;
+                    bool m_has_arg_;
+                    String m_arg_name_;
+                    bool m_has_default_arg_value_;
+                    String m_default_arg_value_;
+                    String m_description_;
+            }; // class Option
+
+        public:
+            OptionParser();
+            virtual ~OptionParser();
+
+        public:
+            void addOption(const String& option_name_, const String& var_name_, bool has_arg_, const String& arg_name_, bool has_default_arg_value_, const String& default_arg_value_, const String& description_);
+
+            void parseArguments(int argc_, char** argv_);
+
+            void printOptions() const;
+
+        protected:
+            vector<String> m_option_names_;
+            Map<OptionInfo*> m_option_infos_;
+    }; // class OptionParser
+} // LibUtil
+
+#endif // __LIBUTIL_OPTION_PARSER_H__
+