Add Jison (#3488)

samples/Jison Lex/lex_grammar.jisonlex

@@ -0,0 +1,29 @@
+
+%%
+\n+                         {yy.freshLine = true;}
+\s+                         {yy.freshLine = false;}
+"y{"[^}]*"}"                {yytext = yytext.substr(2, yyleng - 3); return 'ACTION';}
+[a-zA-Z_][a-zA-Z0-9_-]*     {return 'NAME';}
+'"'([^"]|'\"')*'"'          {return 'STRING_LIT';}
+"'"([^']|"\'")*"'"          {return 'STRING_LIT';}
+"|"                         {return '|';}
+"["("\]"|[^\]])*"]"         {return 'ANY_GROUP_REGEX';}
+"("                         {return '(';}
+")"                         {return ')';}
+"+"                         {return '+';}
+"*"                         {return '*';}
+"?"                         {return '?';}
+"^"                         {return '^';}
+"/"                         {return '/';}
+"\\"[a-zA-Z0]               {return 'ESCAPE_CHAR';}
+"$"                         {return '$';}
+"<<EOF>>"                   {return '$';}
+"."                         {return '.';}
+"%%"                        {return '%%';}
+"{"\d+(","\s?\d+|",")?"}"   {return 'RANGE_REGEX';}
+/"{"                        %{if (yy.freshLine) { this.input('{'); return '{'; } else { this.unput('y'); }%}
+"}"                         %{return '}';%}
+"%{"(.|\n)*?"}%"            {yytext = yytext.substr(2, yyleng - 4); return 'ACTION';}
+.                           {/* ignore bad characters */}
+<<EOF>>                     {return 'EOF';}
+