inital

src/lexer.l

@@ -0,0 +1,46 @@
+
+%option reentrant noyywrap nounput
+
+%{
+#include <iostream>
+#define YY_DECL yy::Parser::symbol_type yylex(yyscan_t yyscanner, yy::location& loc)
+
+#define YY_USER_ACTION loc.columns(yyleng);
+#define yyterminate() return yy::Parser::make_END(loc)
+
+#include "../build/parser.hpp"
+
+%}
+
+	/* your definitions here */
+
+	/* your definitions end */
+
+%%
+
+%{
+	loc.step();
+%}
+
+	/* your rules here */
+
+	/* use this structure to pass the Token :
+	 * return yy::parser::make_TokenName(loc)
+	 * if the token has a type you can pass it's value
+	 * as the first argument. as an example we put
+	 * the rule to return token function.
+	 */
+
+function       	{return yy::Parser::make_FUNCTION(loc);}
+
+[ \n\r\t\v]		{}
+
+.				{std::cerr << loc << ": " << "token error" << std::endl; exit(1);}
+
+
+	/* if you didn't define #define yyterminate() at beginnign, you will need 
+	   this rule to match the end of file */
+    /* <<EOF>>	{return yy::Parser::make_END(loc);} */
+	/* your rules end */
+
+%%