From 5289346900d5dda116167a1c12c963a27ea3ce49 Mon Sep 17 00:00:00 2001
From: binrapt <binrapt@ethnic.atheist.invalid>
Date: Sat, 17 Oct 2009 10:20:41 +0200
Subject: [PATCH] Implemented the construction pattern for lexemes

---
 fridh/lexer.hpp  |  6 +++++-
 lexer/lexeme.cpp | 15 +++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/fridh/lexer.hpp b/fridh/lexer.hpp
index 54fa989..cf01a52 100644
--- a/fridh/lexer.hpp
+++ b/fridh/lexer.hpp
@@ -4,6 +4,7 @@
 #include <vector>
 #include <ail/types.hpp>
 #include <fridh/symbol.hpp>
+#include <fridh/construction.hpp>
 #include <boost/thread/mutex.hpp>
 
 namespace fridh
@@ -111,7 +112,7 @@ namespace fridh
 	typedef std::vector<lexeme> lexeme_container;
 	typedef std::vector<line_of_code> lines_of_code;
 
-	struct lexeme
+	struct lexeme: public construction_pattern
 	{
 		lexeme_type::type type;
 		union
@@ -131,6 +132,9 @@ namespace fridh
 		explicit lexeme(types::floating_point_value floating_point_value);
 		explicit lexeme(std::string const & string);
 		std::string to_string() const;
+
+		void copy(construction_pattern const & other_pattern);
+		void destroy();
 	};
 
 	struct line_of_code
diff --git a/lexer/lexeme.cpp b/lexer/lexeme.cpp
index af99826..3925488 100644
--- a/lexer/lexeme.cpp
+++ b/lexer/lexeme.cpp
@@ -206,4 +206,19 @@ namespace fridh
 				return "unknown";
 		}
 	}
+
+	void lexeme::copy(construction_pattern const & other_pattern)
+	{
+		lexeme const & other = dynamic_cast<lexeme const &>(other_pattern);
+
+		type = other.type;
+		if(type == lexeme_type::string)
+			string = new std::string(*other.string);
+	}
+
+	void lexeme::destroy()
+	{
+		if(type == lexeme_type::string)
+			delete string;
+	}
 }
-- 
2.11.4.GIT