diff --git a/eci/Class.cpp b/eci/Class.cpp
new file mode 100644
index 0000000..fd55f83
--- /dev/null
+++ b/eci/Class.cpp
@@ -0,0 +1,11 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Class.h>
+#include <eci/debug.h>
+
diff --git a/eci/Class.h b/eci/Class.h
new file mode 100644
index 0000000..c566816
--- /dev/null
+++ b/eci/Class.h
@@ -0,0 +1,22 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_CLASS_H__
+#define __ECI_CLASS_H__
+
+#include <etk/types.h>
+
+namespace eci {
+	class Class {
+		public:
+			Class() {};
+			~Class() {};
+	};
+}
+
+#endif
diff --git a/eci/Enum.cpp b/eci/Enum.cpp
new file mode 100644
index 0000000..dd209a7
--- /dev/null
+++ b/eci/Enum.cpp
@@ -0,0 +1,62 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Enum.h>
+#include <eci/debug.h>
+
+void eci::Enum::addValue(const std::string& _name) {
+	if (m_values.size() == 0) {
+		m_values.push_back(std::make_pair(_name, 0));
+		return;
+	}
+	int32_t lastValue = 0;
+	for (size_t iii=0; iii<m_values.size(); ++iii) {
+		if (m_values[iii].first == _name) {
+			ECI_ERROR("Enum name already exist ... : " << _name);
+			return;
+		}
+		lastValue = m_values[iii].second;
+	}
+	m_values.push_back(std::make_pair(_name, lastValue+1));
+}
+
+void eci::Enum::addValue(const std::string& _name, int32_t _value) {
+	if (m_values.size() == 0) {
+		m_values.push_back(std::make_pair(_name, _value));
+		return;
+	}
+	for (size_t iii=0; iii<m_values.size(); ++iii) {
+		if (m_values[iii].first == _name) {
+			ECI_ERROR("Enum name already exist ... : " << _name);
+			return;
+		}
+	}
+	m_values.push_back(std::make_pair(_name, _value));
+}
+
+int32_t eci::Enum::getValue(const std::string& _name) const {
+	for (size_t iii=0; iii<m_values.size(); ++iii) {
+		if (m_values[iii].first == _name) {
+			return m_values[iii].second;
+		}
+	}
+	ECI_ERROR("Enum name does not exist ... : '" << _name << "'");
+	return 0;
+}
+
+const std::string& eci::Enum::getName(int32_t _value) const {
+	for (size_t iii=0; iii<m_values.size(); ++iii) {
+		if (m_values[iii].second == _value) {
+			return m_values[iii].first;
+		}
+	}
+	ECI_ERROR("Enum name does not exist ... : '" << _value << "'");
+	static const std::string errorValue = "---UnknowName---";
+	return errorValue;
+}
+
diff --git a/eci/Enum.h b/eci/Enum.h
new file mode 100644
index 0000000..2e91f4c
--- /dev/null
+++ b/eci/Enum.h
@@ -0,0 +1,29 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_ENUM_H__
+#define __ECI_ENUM_H__
+
+#include <etk/types.h>
+
+namespace eci {
+	class Enum {
+		public:
+			Enum() {};
+			~Enum() {};
+		protected:
+			std::vector<std::pair<std::string, int32_t>> m_values;
+		public:
+			void addValue(const std::string& _name);
+			void addValue(const std::string& _name, int32_t _value);
+			int32_t getValue(const std::string& _name) const;
+			const std::string& getName(int32_t _value) const;
+	};
+}
+
+#endif
diff --git a/eci/File.cpp b/eci/File.cpp
new file mode 100644
index 0000000..96a4b29
--- /dev/null
+++ b/eci/File.cpp
@@ -0,0 +1,39 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/File.h>
+#include <eci/debug.h>
+#include <etk/os/FSNode.h>
+#include <eci/lang/ParserCpp.h>
+
+
+static std::string getValue(const std::string& _file, const std::shared_ptr<eci::LexerNode>& _it) {
+	return std::string(_file, _it->getStartPos(), _it->getStopPos()-_it->getStartPos());
+}
+
+eci::File::File(const std::string& _filename) {
+	m_fileName = _filename;
+	m_fileData = etk::FSNodeReadAllData(_filename);
+	eci::ParserCpp tmpParser;
+	tmpParser.parse(m_fileData);
+	std::string value;
+	for (auto &it : tmpParser.m_result.m_list) {
+		switch (it->getTockenId()) {
+			case tokenCppVisibility:
+				ECI_INFO("get visibility : " << getValue(m_fileData, it) << "'" );
+				break;
+			case tokenCppType:
+				ECI_INFO("get type : " << getValue(m_fileData, it) << "'" );
+				break;
+			case tokenCppString:
+				ECI_INFO("get string : " << getValue(m_fileData, it) << "'" );
+				break;
+		}
+	}
+}
+
diff --git a/eci/File.h b/eci/File.h
new file mode 100644
index 0000000..77f3967
--- /dev/null
+++ b/eci/File.h
@@ -0,0 +1,29 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_FILE_H__
+#define __ECI_FILE_H__
+
+#include <etk/types.h>
+#include <eci/Class.h>
+#include <eci/Enum.h>
+#include <eci/Variable.h>
+#include <eci/Function.h>
+
+namespace eci {
+	class File {
+		public:
+			File(const std::string& _filename);
+			~File() {};
+		protected:
+			std::string m_fileName; //!< Name of the file.
+			std::string m_fileData; //!< Data of the file.
+	};
+}
+
+#endif
diff --git a/eci/Function.cpp b/eci/Function.cpp
new file mode 100644
index 0000000..cee219e
--- /dev/null
+++ b/eci/Function.cpp
@@ -0,0 +1,28 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Function.h>
+#include <eci/debug.h>
+
+
+eci::Function::Function() :
+  m_const(false),
+  m_static(false),
+  m_visibility(eci::visibilityPublic){
+	
+}
+
+eci::Function::~Function() {
+	
+}
+
+std::vector<std::shared_ptr<eci::Value>> eci::Function::call(const std::vector<std::shared_ptr<eci::Value>>& _input) {
+	return std::vector<std::shared_ptr<eci::Value>>();
+}
+
+
diff --git a/eci/Function.h b/eci/Function.h
new file mode 100644
index 0000000..06f2269
--- /dev/null
+++ b/eci/Function.h
@@ -0,0 +1,35 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_FUNCTION_H__
+#define __ECI_FUNCTION_H__
+
+#include <etk/types.h>
+#include <eci/visibility.h>
+#include <eci/Variable.h>
+#include <eci/Value.h>
+#include <memory>
+
+namespace eci {
+	class Function {
+		public:
+			Function();
+			~Function();
+		protected:
+			std::string m_name; //!< Function Name.
+			bool m_const; //!< The function is const.
+			bool m_static; //!< function is static.
+			enum eci::visibility m_visibility; //!< Visibility of the function
+			std::vector<eci::Variable> m_return; //!< return value.
+			std::vector<eci::Variable> m_arguments; //!< return value.
+			
+			std::vector<std::shared_ptr<eci::Value>> call(const std::vector<std::shared_ptr<eci::Value>>& _input);
+	};
+}
+
+#endif
diff --git a/eci/Interpreter.cpp b/eci/Interpreter.cpp
new file mode 100644
index 0000000..095771b
--- /dev/null
+++ b/eci/Interpreter.cpp
@@ -0,0 +1,29 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Interpreter.h>
+#include <eci/debug.h>
+
+eci::Interpreter::Interpreter() {
+	
+}
+
+eci::Interpreter::~Interpreter() {
+	
+}
+
+void eci::Interpreter::addFile(const std::string& _filename) {
+	// TODO : Check if file is not previously loaded ...
+	m_files.push_back(eci::File(_filename));
+}
+
+void eci::Interpreter::main() {
+	ECI_TODO("create the main ... ");
+}
+
+
diff --git a/eci/Interpreter.h b/eci/Interpreter.h
new file mode 100644
index 0000000..8004be4
--- /dev/null
+++ b/eci/Interpreter.h
@@ -0,0 +1,30 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_INTERPRETER_H__
+#define __ECI_INTERPRETER_H__
+
+#include <etk/types.h>
+#include <eci/Library.h>
+#include <eci/File.h>
+
+namespace eci {
+	class Interpreter {
+		public:
+			Interpreter();
+			~Interpreter();
+		protected:
+			std::vector<eci::Library> m_libraries; //!< list of all loaded libraries.
+			std::vector<eci::File> m_files; //!< List of all files in the current program.
+		public:
+			void addFile(const std::string& _filename);
+			void main();
+	};
+}
+
+#endif
diff --git a/eci/Lexer.cpp b/eci/Lexer.cpp
index 3bd7bce..c827175 100644
--- a/eci/Lexer.cpp
+++ b/eci/Lexer.cpp
@@ -18,38 +18,38 @@ eci::Lexer::~Lexer() {
 }
 
 void eci::Lexer::append(int32_t _tokenId, const std::string& _regularExpression) {
-	ECI_INFO("CPP lexer add : '" << _regularExpression << "'");
+	ECI_INFO("CPP lexer add : [" << _tokenId << "] '" << _regularExpression << "'");
 	try {
-		m_searchList.insert(std::make_pair(_tokenId, std::make_shared<eci::Lexer::TypeBase>(_tokenId, _regularExpression)));
+		m_searchList.push_back(std::make_shared<eci::Lexer::TypeBase>(_tokenId, _regularExpression));
 	} catch (std::exception e){
 		ECI_ERROR(" create reg exp : '" << _regularExpression << "' : what:" << e.what());
 	}
 }
 
-void eci::Lexer::appendSection(int32_t _tokenId, const std::string& _regularExpressionStart, const std::string& _regularExpressionStop) {
-	ECI_INFO("CPP lexer add section : '" << _regularExpressionStart << "' .. '" << _regularExpressionStop << "'");
+void eci::Lexer::appendSection(int32_t _tokenId, int32_t _tockenStart, int32_t _tockenStop) {
+	ECI_INFO("CPP lexer add section [" << _tokenId << "] : '" << _tockenStart << "' .. '" << _tockenStop << "'");
 	try {
-		m_searchList.insert(std::make_pair(_tokenId, std::make_shared<eci::Lexer::TypeSection>(_tokenId, _regularExpressionStart, _regularExpressionStop)));
+		m_searchList.push_back(std::make_shared<eci::Lexer::TypeSection>(_tokenId, _tockenStart, _tockenStop));
 	} catch (std::exception e){
-		ECI_ERROR(" create reg exp : '" << _regularExpressionStart << "' .. '" << _regularExpressionStop << "' : what:" << e.what());
+		ECI_ERROR(" create reg exp : '" << _tockenStart << "' .. '" << _tockenStop << "' : what:" << e.what());
 	}
 }
 
 void eci::Lexer::appendSub(int32_t _tokenIdParrent, int32_t _tokenId, const std::string& _regularExpression) {
-	ECI_INFO("CPP lexer add sub : [" << _tokenIdParrent << "] '" << _regularExpression << "'");
+	ECI_INFO("CPP lexer add sub : [" << _tokenId << "] [" << _tokenIdParrent << "] '" << _regularExpression << "'");
 	try {
-		m_searchList.insert(std::make_pair(_tokenId, std::make_shared<eci::Lexer::TypeSubBase>(_tokenId, _tokenIdParrent, _regularExpression)));
+		m_searchList.push_back(std::make_shared<eci::Lexer::TypeSubBase>(_tokenId, _tokenIdParrent, _regularExpression));
 	} catch (std::exception e){
 		ECI_ERROR(" create reg exp : '" << _regularExpression << "' : what:" << e.what());
 	}
 }
 
-void eci::Lexer::appendSubSection(int32_t _tokenIdParrent, int32_t _tokenId, const std::string& _regularExpressionStart, const std::string& _regularExpressionStop) {
-	ECI_INFO("CPP lexer add section sub : [" << _tokenIdParrent << "] '" << _regularExpressionStart << "' .. '" << _regularExpressionStop << "'");
+void eci::Lexer::appendSubSection(int32_t _tokenIdParrent, int32_t _tokenId, int32_t _tockenStart, int32_t _tockenStop) {
+	ECI_INFO("CPP lexer add section sub : [" << _tokenId << "] [" << _tokenIdParrent << "] '" << _tockenStart << "' .. '" << _tockenStop << "'");
 	try {
-		m_searchList.insert(std::make_pair(_tokenId, std::make_shared<eci::Lexer::TypeSubSection>(_tokenId, _tokenIdParrent, _regularExpressionStart, _regularExpressionStop)));
+		m_searchList.push_back(std::make_shared<eci::Lexer::TypeSubSection>(_tokenId, _tokenIdParrent, _tockenStart, _tockenStop));
 	} catch (std::exception e){
-		ECI_ERROR(" create reg exp : '" << _regularExpressionStart << "' .. '" << _regularExpressionStop << "' : what:" << e.what());
+		ECI_ERROR(" create reg exp : '" << _tockenStart << "' .. '" << _tockenStop << "' : what:" << e.what());
 	}
 }
 
@@ -59,80 +59,92 @@ eci::LexerResult eci::Lexer::interprete(const std::string& _data) {
 	ECI_INFO("Parse : \n" << _data);
 	for (auto &it : m_searchList) {
 		//ECI_INFO("Parse RegEx : " << it.first << " : " << it.second.getRegExDecorated());
-		if (it.second == nullptr) {
+		if (it == nullptr) {
 			continue;
 		}
-		if (it.second->isSubParse() == true) {
+		if (it->isSubParse() == true) {
 			continue;
 		}
-		if (result.m_list.size() == 0) {
-			result.m_list = it.second->parse(_data, 0, _data.size());
-		} else {
-			int32_t start = 0;
-			auto itList(result.m_list.begin());
-			while (itList != result.m_list.end()) {
-				if (*itList == nullptr) {
-					ECI_TODO("remove null shared_ptr");
-					++itList;
-					continue;
-				}
-				if ((*itList)->getStartPos() == start) {
-					// nothing to do ..
+		if (it->isSection() == false) {
+			if (result.m_list.size() == 0) {
+				result.m_list = it->parse(_data, 0, _data.size());
+			} else {
+				int32_t start = 0;
+				auto itList(result.m_list.begin());
+				while (itList != result.m_list.end()) {
+					if (*itList == nullptr) {
+						ECI_TODO("remove null shared_ptr");
+						++itList;
+						continue;
+					}
+					if ((*itList)->getStartPos() == start) {
+						// nothing to do ..
+						start = (*itList)->getStopPos();
+						++itList;
+						continue;
+					}
+					std::vector<std::shared_ptr<eci::LexerNode>> res = it->parse(_data, start, (*itList)->getStartPos());
+					// append it in the buffer:
+					if (res.size() > 0) {
+						int32_t currentPos = std::distance(result.m_list.begin(), itList) + res.size() ;
+						result.m_list.insert(itList, res.begin(), res.end());
+						itList = result.m_list.begin() + currentPos;
+					}
 					start = (*itList)->getStopPos();
 					++itList;
-					continue;
 				}
-				std::vector<std::shared_ptr<eci::LexerNode>> res = it.second->parse(_data, start, (*itList)->getStartPos());
-				// append it in the buffer:
-				if (res.size() > 0) {
-					int32_t currentPos = std::distance(result.m_list.begin(), itList) + res.size() ;
-					result.m_list.insert(itList, res.begin(), res.end());
-					itList = result.m_list.begin() + currentPos;
-				}
-				start = (*itList)->getStopPos();
-				++itList;
-			}
-			// Do the last element :
-			if (start < _data.size()) {
-				std::vector<std::shared_ptr<eci::LexerNode>> res = it.second->parse(_data, start, _data.size());
-				for (auto &itRes : res) {
-					result.m_list.push_back(itRes);
+				// Do the last element :
+				if (start < _data.size()) {
+					std::vector<std::shared_ptr<eci::LexerNode>> res = it->parse(_data, start, _data.size());
+					for (auto &itRes : res) {
+						result.m_list.push_back(itRes);
+					}
 				}
 			}
+		} else {
+			if (result.m_list.size() == 0) {
+				continue;
+			}
+			it->parseSection(result.m_list);
 		}
 	}
 	return result;
 }
 
+static std::regex_constants::match_flag_type createFlags(const std::string& _data, int32_t _start, int32_t _stop) {
+	std::regex_constants::match_flag_type flags = std::regex_constants::match_any;
+	//ECI_DEBUG("find data at : start=" << _start << " stop=" << _stop << " regex='" << m_regexValue << "'");
+	if ((int64_t)_stop <= (int64_t)_data.size()) {
+		char val = _data[_stop];
+		if (    val != '\n'
+		     && val != '\r') {
+			//after last char ==> not end of line ($ would not work))
+			flags |= std::regex_constants::match_not_eol;
+		}
+		if (!(    ('a' <= val && val <= 'z')
+		       || ('A' <= val && val <= 'Z')
+		       || ('0' <= val && val <= '9')
+		       || val == '_')) {
+			flags |= std::regex_constants::match_not_eow;
+		}
+	}
+	if (_start>0) {
+		flags |= std::regex_constants::match_prev_avail;
+	}
+	return flags;
+}
+
 std::vector<std::shared_ptr<eci::LexerNode>> eci::Lexer::TypeBase::parse(const std::string& _data, int32_t _start, int32_t _stop) {
 	std::vector<std::shared_ptr<eci::LexerNode>> result;
-	ECI_DEBUG("parse : " << getValue());
+	ECI_VERBOSE("parse : " << getValue());
 	while (true) {
 		std::smatch resultMatch;
-		std::regex_constants::match_flag_type flags = std::regex_constants::match_any;
-		//APPL_DEBUG("find data at : start=" << _start << " stop=" << _stop << " regex='" << m_regexValue << "'");
-		if ((int64_t)_stop <= (int64_t)_data.size()) {
-			char val = _data[_stop];
-			if (    val != '\n'
-			     && val != '\r') {
-				//after last char ==> not end of line ($ would not work))
-				flags |= std::regex_constants::match_not_eol;
-			}
-			if (!(    ('a' <= val && val <= 'z')
-			       || ('A' <= val && val <= 'Z')
-			       || ('0' <= val && val <= '9')
-			       || val == '_')) {
-				flags |= std::regex_constants::match_not_eow;
-			}
-		}
-		if (_start>0) {
-			flags |= std::regex_constants::match_prev_avail;
-		}
+		std::regex_constants::match_flag_type flags = createFlags(_data, _start, _stop);
 		std::regex_search(_data.begin()+_start, _data.begin()+_stop, resultMatch, regex, flags);
 		if (resultMatch.size() > 0) {
 			int32_t start = std::distance(_data.begin(), resultMatch[0].first);
 			int32_t stop = std::distance(_data.begin(), resultMatch[0].second);
-			ECI_DEBUG("    find data at : start=" << start << " stop=" << stop << " data='" <<std::string(_data, start, stop-start) << "'" );
+			ECI_VERBOSE("    find data at : start=" << start << " stop=" << stop << " data='" <<std::string(_data, start, stop-start) << "'" );
 			_start = stop;
 			result.push_back(std::make_shared<eci::LexerNode>(m_tockenId, start, stop));
 		} else {
@@ -142,10 +154,52 @@ std::vector<std::shared_ptr<eci::LexerNode>> eci::Lexer::TypeBase::parse(const s
 	return result;
 }
 
-std::vector<std::shared_ptr<eci::LexerNode>> eci::Lexer::TypeSection::parse(const std::string& _data, int32_t _start, int32_t _stop) {
-	std::vector<std::shared_ptr<eci::LexerNode>> result;
-	ECI_TODO("later 1");
-	return result;
+void eci::Lexer::TypeSection::parseSectionCurrent(std::vector<std::shared_ptr<eci::LexerNode>>& _data) {
+	std::vector<size_t> posList;
+	for (size_t iii=0; iii<_data.size(); ++iii) {
+		if (_data[iii] == nullptr) {
+			ECI_TODO("remove null shared_ptr");
+			continue;
+		}
+		if (_data[iii]->getTockenId() == tockenStart) {
+			ECI_VERBOSE("Detect start TOCKEN " << iii);
+			posList.push_back(iii);
+		}
+		if (_data[iii]->getTockenId() == tockenStop) {
+			if (posList.size() == 0) {
+				ECI_ERROR("Detect end of tocken without start");
+				continue;
+			}
+			size_t startId = posList.back();
+			ECI_VERBOSE("Detect stop TOCKEN " << startId << " => " << iii << " list size=" << posList.size());
+			posList.pop_back();
+			// agragate the subtoken :
+			int32_t startPos = _data[startId]->getStartPos();
+			int32_t stopPos = _data[iii]->getStopPos();
+			std::shared_ptr<eci::LexerNodeContainer> newContainer = std::make_shared<eci::LexerNodeContainer>(m_tockenId, startPos, stopPos);
+			ECI_VERBOSE("    Agregate: " << startId << " -> " << iii);
+			newContainer->m_list.insert(newContainer->m_list.begin(), _data.begin()+startId, _data.begin()+iii+1);
+			ECI_VERBOSE("    list size=" << newContainer->m_list.size() << " old=" << _data.size());
+			_data.erase(_data.begin()+startId, _data.begin()+iii+1);
+			ECI_VERBOSE("    list size=" << newContainer->m_list.size() << " old=" << _data.size());
+			_data.insert(_data.begin()+startId, newContainer);
+			ECI_VERBOSE("    list size=" << newContainer->m_list.size() << " old=" << _data.size());
+			iii = startId-1;
+		}
+	}
+}
+void eci::Lexer::TypeSection::parseSection(std::vector<std::shared_ptr<eci::LexerNode>>& _data) {
+	ECI_VERBOSE("parse section : " << getValue());
+	for (auto &it : _data) {
+		if (it == nullptr) {
+			continue;
+		}
+		if (it->isNodeContainer() == true) {
+			std::shared_ptr<eci::LexerNodeContainer> sec = std::dynamic_pointer_cast<eci::LexerNodeContainer>(it);
+			parseSection(sec->m_list);
+		}
+	}
+	parseSectionCurrent(_data);
 }
 
 std::vector<std::shared_ptr<eci::LexerNode>> eci::Lexer::TypeSubBase::parse(const std::string& _data, int32_t _start, int32_t _stop) {
diff --git a/eci/Lexer.h b/eci/Lexer.h
index 3ea0bb9..0013df8 100644
--- a/eci/Lexer.h
+++ b/eci/Lexer.h
@@ -27,14 +27,20 @@ namespace eci {
 			}
 			virtual ~LexerNode() {};
 			int32_t m_tockenId;
+			int32_t getTockenId() {
+				return m_tockenId;
+			}
 			int32_t m_startPos;
-			int32_t m_stopPos;
 			int32_t getStartPos() {
 				return m_startPos;
 			}
+			int32_t m_stopPos;
 			int32_t getStopPos() {
 				return m_stopPos;
 			}
+			virtual bool isNodeContainer() {
+				return false;
+			}
 	};
 	class LexerNodeContainer : public LexerNode {
 		public:
@@ -44,6 +50,9 @@ namespace eci {
 			}
 			virtual ~LexerNodeContainer() {};
 			std::vector<std::shared_ptr<eci::LexerNode>> m_list;
+			virtual bool isNodeContainer() {
+				return true;
+			}
 	};
 	class LexerResult {
 		private:
@@ -78,13 +87,22 @@ namespace eci {
 					int32_t getTockenId() {
 						return m_tockenId;
 					}
-					virtual std::vector<std::shared_ptr<eci::LexerNode>> parse(const std::string& _data, int32_t _start, int32_t _stop)=0;
+					virtual std::vector<std::shared_ptr<eci::LexerNode>> parse(const std::string& _data, int32_t _start, int32_t _stop) {
+						return std::vector<std::shared_ptr<eci::LexerNode>>();
+					};
+					virtual void parseSection(std::vector<std::shared_ptr<eci::LexerNode>>& _data) {
+						// nothing to do ...
+					};
+					
 					std::string getValue() {
 						return m_regexValue;
 					};
 					virtual bool isSubParse() {
 						return false;
 					}
+					virtual bool isSection() {
+						return false;
+					}
 			};
 			class TypeBase : public Type {
 				public:
@@ -101,18 +119,22 @@ namespace eci {
 			};
 			class TypeSection : public Type {
 				public:
-					std::regex regexStart;
-					std::regex regexStop;
-					TypeSection(int32_t _tockenId, const std::string& _regexStart="", const std::string& _regexStop="") :
+					int32_t tockenStart;
+					int32_t tockenStop;
+					TypeSection(int32_t _tockenId, int32_t _tockenStart=-1, int32_t _tockenStop=-1) :
 					  Type(_tockenId),
-					  regexStart(_regexStart, std::regex_constants::optimize | std::regex_constants::ECMAScript),
-					  regexStop(_regexStop, std::regex_constants::optimize | std::regex_constants::ECMAScript) {
-						m_regexValue = _regexStart + " -> " + _regexStop;
+					  tockenStart(_tockenStart),
+					  tockenStop(_tockenStop) {
+						m_regexValue = "tok=" + etk::to_string(tockenStart) + " -> tok=" + etk::to_string(tockenStop);
 					}
 					virtual int32_t getType() {
 						return TYPE_SECTION;
 					}
-					std::vector<std::shared_ptr<eci::LexerNode>> parse(const std::string& _data, int32_t _start, int32_t _stop);
+					virtual bool isSection() {
+						return true;
+					}
+					void parseSectionCurrent(std::vector<std::shared_ptr<eci::LexerNode>>& _data);
+					void parseSection(std::vector<std::shared_ptr<eci::LexerNode>>& _data);
 			};
 			class TypeSubBase : public TypeBase {
 				public:
@@ -131,8 +153,8 @@ namespace eci {
 			class TypeSubSection : public TypeSection {
 				public:
 					int32_t parrent;
-					TypeSubSection(int32_t _tockenId, int32_t _tokenIdParrent=-1, const std::string& _regexStart="", const std::string& _regexStop="") :
-					  TypeSection(_tockenId, _regexStart, _regexStop),
+					TypeSubSection(int32_t _tockenId, int32_t _tokenIdParrent=-1, int32_t _tockenStart=-1, int32_t _tockenStop=-1) :
+					  TypeSection(_tockenId, _tockenStart, _tockenStop),
 					  parrent(_tokenIdParrent) {}
 					virtual int32_t getType() {
 						return TYPE_SUB_SECTION;
@@ -142,7 +164,7 @@ namespace eci {
 						return true;
 					}
 			};
-			std::map<int32_t, std::shared_ptr<eci::Lexer::Type>> m_searchList;
+			std::vector<std::shared_ptr<eci::Lexer::Type>> m_searchList;
 		public:
 			Lexer();
 			~Lexer();
@@ -155,10 +177,10 @@ namespace eci {
 			/**
 			 * @brief Append a Token recognition (section reconise start and stop with counting the number of start and stop).
 			 * @param[in] _tokenId Tocken id value.
-			 * @param[in] _regularExpressionStart reconise regular expression (start).
-			 * @param[in] _regularExpressionStop reconise regular expression (stop).
+			 * @param[in] _tockenStart Tocken start.
+			 * @param[in] _tockenStop Tocken stop.
 			 */
-			void appendSection(int32_t _tokenId, const std::string& _regularExpressionStart, const std::string& _regularExpressionStop);
+			void appendSection(int32_t _tokenId, int32_t _tockenStart, int32_t _tockenStop);
 			/**
 			 * @brief Append a Token recognition (sub parsing).
 			 * @param[in] _tokenIdParrent parrent Tocken id value.
@@ -170,10 +192,10 @@ namespace eci {
 			 * @brief Append a Token recognition (sub parsing) (section reconise start and stop with counting the number of start and stop).
 			 * @param[in] _tokenIdParrent parrent Tocken id value.
 			 * @param[in] _tokenId Tocken id value.
-			 * @param[in] _regularExpressionStart reconise regular expression (start).
-			 * @param[in] _regularExpressionStop reconise regular expression (stop).
+			 * @param[in] _tockenStart Tocken start.
+			 * @param[in] _tockenStop Tocken stop.
 			 */
-			void appendSubSection(int32_t _tokenIdParrent, int32_t _tokenId, const std::string& _regularExpressionStart, const std::string& _regularExpressionStop);
+			void appendSubSection(int32_t _tokenIdParrent, int32_t _tokenId, int32_t _tockenStart, int32_t _tockenStop);
 			
 			LexerResult interprete(const std::string& _data);
 	};
diff --git a/eci/Library.cpp b/eci/Library.cpp
new file mode 100644
index 0000000..841db33
--- /dev/null
+++ b/eci/Library.cpp
@@ -0,0 +1,11 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Library.h>
+#include <eci/debug.h>
+
diff --git a/eci/Library.h b/eci/Library.h
new file mode 100644
index 0000000..fb4bee0
--- /dev/null
+++ b/eci/Library.h
@@ -0,0 +1,24 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_LIBRARY_H__
+#define __ECI_LIBRARY_H__
+
+#include <etk/types.h>
+
+namespace eci {
+	class Library {
+		public:
+			Library() {};
+			~Library() {};
+		protected:
+			std::string m_name; //!< library name (just for debug)
+	};
+}
+
+#endif
diff --git a/eci/Type.cpp b/eci/Type.cpp
new file mode 100644
index 0000000..be25105
--- /dev/null
+++ b/eci/Type.cpp
@@ -0,0 +1,11 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Type.h>
+#include <eci/debug.h>
+
diff --git a/eci/Type.h b/eci/Type.h
new file mode 100644
index 0000000..4939677
--- /dev/null
+++ b/eci/Type.h
@@ -0,0 +1,28 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_TYPE_H__
+#define __ECI_TYPE_H__
+
+#include <etk/types.h>
+
+namespace eci {
+	class Type {
+		protected:
+			std::string m_signature;
+		public:
+			Type() {};
+			~Type() {};
+	};
+	template<typename T> class TypeBase {
+		
+	};
+	
+}
+
+#endif
\ No newline at end of file
diff --git a/eci/Value.cpp b/eci/Value.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/eci/Value.h b/eci/Value.h
new file mode 100644
index 0000000..37df354
--- /dev/null
+++ b/eci/Value.h
@@ -0,0 +1,26 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_VALUE_H__
+#define __ECI_VALUE_H__
+
+#include <etk/types.h>
+#include <eci/Type.h>
+#include <memory>
+
+namespace eci {
+	class Value : public std::enable_shared_from_this<Value>{
+		public:
+			Value() {};
+			~Value() {};
+		protected:
+			
+	};
+}
+
+#endif
diff --git a/eci/Variable.cpp b/eci/Variable.cpp
new file mode 100644
index 0000000..ecf2783
--- /dev/null
+++ b/eci/Variable.cpp
@@ -0,0 +1,20 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#include <eci/Variable.h>
+#include <eci/debug.h>
+
+eci::Variable::Variable() :
+  m_visibility(eci::visibilityPublic),
+  m_const(false) {
+	
+}
+
+eci::Variable::~Variable() {
+	
+}
\ No newline at end of file
diff --git a/eci/Variable.h b/eci/Variable.h
new file mode 100644
index 0000000..da4968c
--- /dev/null
+++ b/eci/Variable.h
@@ -0,0 +1,30 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_VARIABLE_H__
+#define __ECI_VARIABLE_H__
+
+#include <etk/types.h>
+#include <eci/visibility.h>
+#include <eci/Type.h>
+
+
+namespace eci {
+	class Variable {
+		public:
+			Variable();
+			~Variable();
+		private:
+			enum eci::visibility m_visibility;
+			bool m_const;
+			std::string m_name;
+			eci::Type m_type;
+	};
+}
+
+#endif
diff --git a/eci/eci.cpp b/eci/eci.cpp
index 066e31c..ef1c5d7 100644
--- a/eci/eci.cpp
+++ b/eci/eci.cpp
@@ -10,6 +10,7 @@
 #include <eci/debug.h>
 #include <eci/lang/ParserCpp.h>
 #include <etk/os/FSNode.h>
+#include <eci/Interpreter.h>
 
 int main(int argc, char** argv) {
 	etk::log::setLevel(etk::log::logLevelDebug);
@@ -19,12 +20,17 @@ int main(int argc, char** argv) {
 		ECI_CRITICAL("need the file to parse");
 		return -1;
 	}
-	eci::ParserCpp tmpParser;
+	//eci::ParserCpp tmpParser;
 	//std::string data = "/* plop */ \n int eee = 22; // error value \nint main(void) {\n return 0;\n}\n";//etk::FSNodeReadAllData(argv[1]);
 	//std::string data = "alpha /* plop */ test";
 	//std::string data = "pp \n // qdfqdfsdf \nde";
 	//tmpParser.parse(data);
-	tmpParser.parse(etk::FSNodeReadAllData(argv[1]));
+	//tmpParser.parse(etk::FSNodeReadAllData(argv[1]));
+	
+	eci::Interpreter::Interpreter virtualMachine;
+	virtualMachine.addFile(argv[1]);
+	
+	virtualMachine.main();
 	
 	return 0;
 }
\ No newline at end of file
diff --git a/eci/lang/ParserCpp.cpp b/eci/lang/ParserCpp.cpp
index ab1d19f..ea7dfd8 100644
--- a/eci/lang/ParserCpp.cpp
+++ b/eci/lang/ParserCpp.cpp
@@ -9,43 +9,6 @@
 #include <eci/lang/ParserCpp.h>
 #include <eci/debug.h>
 
-enum cppTokenList {
-	tokenCppCommentMultiline,
-	tokenCppCommentSingleLine,
-	tokenCppPreProcessor,
-	tokenCppPreProcessorIf,
-	tokenCppPreProcessorElse,
-	tokenCppPreProcessorEndif,
-	tokenCppPreProcessorIfdef,
-	tokenCppPreProcessorIfndef,
-	tokenCppPreProcessorDefine,
-	tokenCppPreProcessorWarning,
-	tokenCppPreProcessorError,
-	tokenCppPreProcessorInclude,
-	tokenCppPreProcessorImport,
-	tokenCppPreProcessorSectionPthese,
-	
-	tokenCppStringDoubleQuote,
-	tokenCppStringSimpleQuote,
-	tokenCppSectionBrace,
-	tokenCppSectionPthese,
-	tokenCppSectionHook,
-	tokenCppBranch,
-	tokenCppSystem,
-	tokenCppType,
-	tokenCppVisibility,
-	tokenCppContener,
-	tokenCppTypeDef,
-	tokenCppAuto,
-	tokenCppNullptr,
-	tokenCppSystemDefine,
-	tokenCppNumericValue,
-	tokenCppBoolean,
-	tokenCppCondition,
-	tokenCppAssignation,
-	tokenCppString,
-	tokenCppSeparator,
-};
 
 eci::ParserCpp::ParserCpp() {
 	m_lexer.append(tokenCppCommentMultiline, "/\\*(.|\\r|\\n)*?(\\*/|\\0)");
@@ -61,12 +24,15 @@ eci::ParserCpp::ParserCpp() {
 	m_lexer.appendSub(tokenCppPreProcessor, tokenCppPreProcessorError, "\\berror\\b");
 	m_lexer.appendSub(tokenCppPreProcessor, tokenCppPreProcessorInclude, "\\binclude\\b");
 	m_lexer.appendSub(tokenCppPreProcessor, tokenCppPreProcessorImport, "\\bimport\\b"); // specific to c++ interpreted
-	m_lexer.appendSubSection(tokenCppPreProcessor, tokenCppPreProcessorSectionPthese, "\\(", "\\)");
+	//m_lexer.appendSubSection(tokenCppPreProcessor, tokenCppPreProcessorSectionPthese, "\\(", "\\)");
 	m_lexer.append(tokenCppStringDoubleQuote, "\"(.|\\\\[\\\\\"])*?\"");
 	m_lexer.append(tokenCppStringSimpleQuote, "'\\?.'");
-	m_lexer.appendSection(tokenCppSectionBrace, "\\{", "\\}");
-	m_lexer.appendSection(tokenCppSectionPthese, "\\(", "\\)");
-	m_lexer.appendSection(tokenCppSectionHook, "\\[", "\\]");
+	m_lexer.append(tokenCppBraceIn, "\\{");
+	m_lexer.append(tokenCppBraceOut, "\\}");
+	m_lexer.append(tokenCppPtheseIn, "\\(");
+	m_lexer.append(tokenCppPtheseOut, "\\)");
+	m_lexer.append(tokenCppHookIn, "\\[");
+	m_lexer.append(tokenCppHookOut, "\\]");
 	m_lexer.append(tokenCppBranch, "\\b(return|goto|if|else|case|default|break|continue|while|do|for)\\b");
 	m_lexer.append(tokenCppSystem, "\\b(new|delete|try|catch)\\b");
 	m_lexer.append(tokenCppType, "\\b(bool|char(16_t|32_t)?|double|float|u?int(8|16|32|64|128)?(_t)?|long|short|signed|size_t|unsigned|void|(I|U)(8|16|32|64|128))\\b");
@@ -79,21 +45,50 @@ eci::ParserCpp::ParserCpp() {
 	m_lexer.append(tokenCppNumericValue, "\\b(((0(x|X)[0-9a-fA-F]*)|(\\d+\\.?\\d*|\\.\\d+)((e|E)(\\+|\\-)?\\d+)?)(L|l|UL|ul|u|U|F|f)?)\\b");
 	m_lexer.append(tokenCppBoolean, "\\b(true|false)\\b");
 	m_lexer.append(tokenCppCondition, "==|>=|<=|!=|<|>|&&|\\|\\|");
-	m_lexer.append(tokenCppAssignation, "(=|\\*|/|-|+|&)");
+	m_lexer.append(tokenCppAssignation, "(\\+=|-=|\\*=|/=|=|\\*|/|--|-|\\+\\+|\\+|&)");
 	m_lexer.append(tokenCppString, "\\w+");
 	m_lexer.append(tokenCppSeparator, "(;|,|::|:)");
+	m_lexer.appendSection(tokenCppSectionBrace, tokenCppBraceIn, tokenCppBraceOut);
+	m_lexer.appendSection(tokenCppSectionPthese, tokenCppPtheseIn, tokenCppPtheseOut);
+	m_lexer.appendSection(tokenCppSectionHook, tokenCppHookIn, tokenCppHookOut);
 }
 
 eci::ParserCpp::~ParserCpp() {
 	
 }
 
+static void printNode(const std::string& _data, const std::vector<std::shared_ptr<eci::LexerNode>>& _nodes, int32_t _level=0) {
+	std::string offset;
+	for (int32_t iii=0; iii<_level; ++iii) {
+		offset += "    ";
+	}
+	for (auto &it : _nodes) {
+		if (it->isNodeContainer() == true) {
+			std::shared_ptr<eci::LexerNodeContainer> sec = std::dynamic_pointer_cast<eci::LexerNodeContainer>(it);
+			if (sec != nullptr) {
+				ECI_INFO(offset << "  " << it->getStartPos() << "->" << it->getStopPos() << " (container)");
+				printNode(_data, sec->m_list, _level+1);
+			}
+		} else {
+			ECI_INFO(offset << it->getStartPos() << "->" << it->getStopPos() << " data='" <<std::string(_data, it->getStartPos(), it->getStopPos()-it->getStartPos()) << "'" );
+		}
+	}
+}
+
 bool eci::ParserCpp::parse(const std::string& _data) {
 	m_result = m_lexer.interprete(_data);
-		ECI_INFO("find :");
+	
+	// TODO: Agregate type
+	// TODO: Agregate Action
+	// TODO: Agregate Function
+	
+	ECI_INFO("find :");
+	printNode(_data, m_result.m_list);
+	/*
 	for (auto &it : m_result.m_list) {
 		ECI_INFO("    start=" << it->getStartPos() << " stop=" << it->getStopPos() << " data='" <<std::string(_data, it->getStartPos(), it->getStopPos()-it->getStartPos()) << "'" );
 	}
+	*/
 	return false;
 }
 
diff --git a/eci/lang/ParserCpp.h b/eci/lang/ParserCpp.h
index ed41098..654e059 100644
--- a/eci/lang/ParserCpp.h
+++ b/eci/lang/ParserCpp.h
@@ -12,8 +12,52 @@
 #include <eci/Lexer.h>
 
 namespace eci {
+	
+	enum cppTokenList {
+		tokenCppCommentMultiline,
+		tokenCppCommentSingleLine,
+		tokenCppPreProcessor,
+		tokenCppPreProcessorIf,
+		tokenCppPreProcessorElse,
+		tokenCppPreProcessorEndif,
+		tokenCppPreProcessorIfdef,
+		tokenCppPreProcessorIfndef,
+		tokenCppPreProcessorDefine,
+		tokenCppPreProcessorWarning,
+		tokenCppPreProcessorError,
+		tokenCppPreProcessorInclude,
+		tokenCppPreProcessorImport,
+		tokenCppPreProcessorSectionPthese,
+		
+		tokenCppStringDoubleQuote,
+		tokenCppStringSimpleQuote,
+		tokenCppBraceIn,
+		tokenCppBraceOut,
+		tokenCppPtheseIn,
+		tokenCppPtheseOut,
+		tokenCppHookIn,
+		tokenCppHookOut,
+		tokenCppSectionBrace,
+		tokenCppSectionPthese,
+		tokenCppSectionHook,
+		tokenCppBranch,
+		tokenCppSystem,
+		tokenCppType,
+		tokenCppVisibility,
+		tokenCppContener,
+		tokenCppTypeDef,
+		tokenCppAuto,
+		tokenCppNullptr,
+		tokenCppSystemDefine,
+		tokenCppNumericValue,
+		tokenCppBoolean,
+		tokenCppCondition,
+		tokenCppAssignation,
+		tokenCppString,
+		tokenCppSeparator,
+	};
 	class ParserCpp {
-		private:
+		public:
 			eci::Lexer m_lexer;
 			eci::LexerResult m_result;
 		public:
diff --git a/eci/visibility.h b/eci/visibility.h
new file mode 100644
index 0000000..86dc258
--- /dev/null
+++ b/eci/visibility.h
@@ -0,0 +1,23 @@
+/**
+ * @author Edouard DUPIN
+ * 
+ * @copyright 2014, Edouard DUPIN, all right reserved
+ * 
+ * @license APACHE-2 (see license file)
+ */
+
+#ifndef __ECI_VISIBILITY_H__
+#define __ECI_VISIBILITY_H__
+
+#include <etk/types.h>
+
+namespace eci {
+	enum visibility {
+		visibilityNone,
+		visibilityPrivate,
+		visibilityProtected,
+		visibilityPublic,
+	};
+}
+
+#endif
diff --git a/lutin_eci2.py b/lutin_eci2.py
index 70831ff..af1ee3b 100644
--- a/lutin_eci2.py
+++ b/lutin_eci2.py
@@ -17,6 +17,15 @@ def create(target):
 		'eci/eci.cpp',
 		'eci/Lexer.cpp',
 		'eci/debug.cpp',
+		'eci/Class.cpp',
+		'eci/Enum.cpp',
+		'eci/File.cpp',
+		'eci/Function.cpp',
+		'eci/Interpreter.cpp',
+		'eci/Library.cpp',
+		'eci/Type.cpp',
+		'eci/Variable.cpp',
+		'eci/Value.cpp',
 		'eci/lang/ParserCpp.cpp'
 		])
 	myModule.add_export_path(tools.get_current_path(__file__))
diff --git a/tests/01_comment.c b/tests/01_comment.c
index 406305d..952ab54 100644
--- a/tests/01_comment.c
+++ b/tests/01_comment.c
@@ -1,11 +1,11 @@
 #include <stdio.h>
 
-printf("Hello\n");
-printf("Hello\n"); /* this is a comment */ printf("Hello\n");
-printf("Hello\n");
+printf("Hello 1\n");
+printf("Hello 2\n"); /* this is a comment */ printf("Hello 3\n");
+printf("Hello 4\n");
 // this is also a comment sayhello();
-printf("Hello\n");
-printf("Hello\n"); /* this is a second comment */ printf("Hello\n");
+printf("Hello 5\n");
+printf("Hello 6\n"); /* this is a second comment */ printf("Hello 7\n");
 
 
 void main() {}
diff --git a/tests/01_comment.expect b/tests/01_comment.expect
index b1387ad..c8d7b96 100644
--- a/tests/01_comment.expect
+++ b/tests/01_comment.expect
@@ -1,5 +1,7 @@
-Hello
-Hello
-Hello
-Hello
-Hello
+Hello 1
+Hello 2
+Hello 3
+Hello 4
+Hello 5
+Hello 6
+Hello 7
diff --git a/tests/55_section.c b/tests/55_section.c
new file mode 100644
index 0000000..55ce31f
--- /dev/null
+++ b/tests/55_section.c
@@ -0,0 +1,12 @@
+//#include <stdio.h>
+
+int main(int argc, char* argv[]) {
+	int32_t aaa = 0;
+	int32_t bbb = 0;
+	if ( aaa == bbb && (aaa & bbb) != 0) {
+		for (int32_t iii=0; iii< 562; ++iii) {
+			aaa+= 1.0;
+		}
+	}
+	return -1;
+}