diff --git a/tprcc/.gitignore b/tprcc/.gitignore
index 228cff3..f33240e 100644
--- a/tprcc/.gitignore
+++ b/tprcc/.gitignore
@@ -1,2 +1,3 @@
 *.o
 build/*
+.cache/*
diff --git a/tprcc/CMakeLists.txt b/tprcc/CMakeLists.txt
index 167ecfc..99757cf 100644
--- a/tprcc/CMakeLists.txt
+++ b/tprcc/CMakeLists.txt
@@ -2,13 +2,16 @@ cmake_minimum_required(VERSION 3.8)
 project(tprcc LANGUAGES CXX)
 
 set (CMAKE_CXX_STANDARD 17)
+add_compile_options(-Wall -Wextra)
 
 aux_source_directory("src" SRC_DIR)
+aux_source_directory("src/tpr" SRC_TPR_DIR)
 
 set (SRC_GENERATED "${CMAKE_CURRENT_BINARY_DIR}/tpr-parser.cpp" "${CMAKE_CURRENT_BINARY_DIR}/tpr-scanner.cpp")
 
 set (SOURCES
 	${SRC_DIR}
+	${SRC_TPR_DIR}
 	${SRC_GENERATED}
 )
 
diff --git a/tprcc/include/lang/temp-lang-frontend.hpp b/tprcc/include/lang/temp-lang-frontend.hpp
new file mode 100644
index 0000000..3aa3fba
--- /dev/null
+++ b/tprcc/include/lang/temp-lang-frontend.hpp
@@ -0,0 +1,52 @@
+#ifndef _TEMP_LANG_FRONTEND_HPP_
+#define _TEMP_LANG_FRONTEND_HPP_
+
+#include <string>
+#include <iostream>
+#include <fstream>
+#include <istream>
+#include <streambuf>
+
+class TempLangFrontend {
+public:
+	enum class LogLevel {
+		DEBUG,
+		INFO,
+		WARNING,
+		ERROR,
+	};
+
+
+	TempLangFrontend(const std::string &source_file)
+	{
+		m_source_file = source_file;
+	}
+
+	int analyze();
+
+	const std::string &get_src_file()
+	{
+		return m_source_file;
+	}
+
+protected:
+	std::string m_source_file;
+
+	void log(LogLevel lvl, const std::string &message) const
+	{
+		switch (lvl) {
+		case LogLevel::ERROR:
+			std::cerr << "[ERR]" << message << std::endl;
+			break;
+		case LogLevel::WARNING:
+			std::cerr << "[WARN]" << message << std::endl;
+			break;
+		default:
+			std::cout << message << std::endl;
+			break;
+		}
+	}
+
+};
+
+#endif /* _TEMP_LANG_FRONTEND_HPP_ */
\ No newline at end of file
diff --git a/tprcc/include/tpr/tpr-frontend.hpp b/tprcc/include/tpr/tpr-frontend.hpp
new file mode 100644
index 0000000..8093678
--- /dev/null
+++ b/tprcc/include/tpr/tpr-frontend.hpp
@@ -0,0 +1,21 @@
+#ifndef _TPR_FRONTEND_HPP_
+#define _TPR_FRONTEND_HPP_
+
+#include <string>
+#include <lang/temp-lang-frontend.hpp>
+#include <tpr/tpr-scanner.hpp>
+
+namespace tpr {
+
+class TprFrontend : public TempLangFrontend {
+private:
+public:
+	TprFrontend(const std::string &source_file); 
+	
+	int analyze();
+
+};
+
+}
+
+#endif /* _TPR_FRONTEND_HPP_ */
\ No newline at end of file
diff --git a/tprcc/parser/tpr.l b/tprcc/parser/tpr.l
index d3ccb6b..19afde4 100644
--- a/tprcc/parser/tpr.l
+++ b/tprcc/parser/tpr.l
@@ -22,6 +22,9 @@ SPACE "\t"|" "
 NUM [-+]?([0-9]*\.[0-9]+|[0-9]+)
 
 %%
+%{
+   yylval = lval;
+%}
 
 <*>{SPACE} { /*Ignore spaces */}
 {COMMENT_LINE} {loc->lines(); return token::lineend;}
@@ -40,4 +43,9 @@ digio_conf { return token::kw_digio_conf; }
 digio_set { return token::kw_digio_set; }
 digio_wait { return token::kw_digio_wait; }
 
+. {
+	std::cerr << "[ERR] Failed to parse: " << yytext  << " @ " << *loc << std::endl;
+	return token::unexpected_input;
+}
+
 %%
diff --git a/tprcc/parser/tpr.ypp b/tprcc/parser/tpr.ypp
index 1cec5ee..3d4cd1a 100644
--- a/tprcc/parser/tpr.ypp
+++ b/tprcc/parser/tpr.ypp
@@ -43,6 +43,7 @@
 %token kw_digio_conf
 %token kw_digio_set
 %token kw_digio_wait
+%token unexpected_input
 
 %%
 
@@ -71,7 +72,8 @@ tpr_command_inner: cmd_pid_conf;
 
 cmd_pid_conf: kw_pid_conf number number number number number number;
 
-cmd_temp_set: kw_temp_set number;
+cmd_temp_set: kw_temp_set number {std::cout << "Set Temperature" << $2 << std::endl;}
+	;
 
 cmd_wait_temp: kw_wait_temp number;
 
@@ -95,6 +97,6 @@ cmd_digio_wait: kw_digio_wait number number;
 
 void tpr::TempProfileParser::error(const location_type &l, const std::string &err_message)
 {
-	std::cerr << "Error " << err_message << " at " << l << std::endl;
+	std::cerr << "[ERR] Parser Error: '" << err_message << "' at " << l << std::endl;
 	std::abort();
 }
\ No newline at end of file
diff --git a/tprcc/src/main.cpp b/tprcc/src/main.cpp
index 9bcdbe2..7817899 100644
--- a/tprcc/src/main.cpp
+++ b/tprcc/src/main.cpp
@@ -1,8 +1,15 @@
 #include <iostream>
+#include <tpr/tpr-frontend.hpp>
 
 int main(int argc, char **argv)
 {
 	std::cout << "Hello world" << std::endl;
 
+	if (argc > 1) {
+		auto fe = tpr::TprFrontend(std::string(argv[1]));
+
+		fe.analyze();
+	}
+
 	return 0;
 }
\ No newline at end of file
diff --git a/tprcc/src/tpr/tpr-frontend.cpp b/tprcc/src/tpr/tpr-frontend.cpp
new file mode 100644
index 0000000..7a3c7bd
--- /dev/null
+++ b/tprcc/src/tpr/tpr-frontend.cpp
@@ -0,0 +1,26 @@
+#include <tpr/tpr-frontend.hpp>
+
+namespace tpr {
+
+TprFrontend::TprFrontend(const std::string &source_file) : TempLangFrontend(source_file)
+{
+}
+
+int TprFrontend::analyze()
+{
+	std::ifstream input_stream(m_source_file);
+
+	if (!input_stream.good()) {
+		log(TempLangFrontend::LogLevel::ERROR, "Cannot read input file " + m_source_file);
+		return -1;
+	}
+
+	auto scanner = TempProfileScanner(&input_stream);
+	auto parser = TempProfileParser(scanner);
+
+	parser.parse();
+
+	return 0;
+}
+
+}
\ No newline at end of file