lib/qlang/lexer/main_lexer.rb in qlang-0.0.27182110 vs lib/qlang/lexer/main_lexer.rb in qlang-0.0.27182120

@@ -2,12 +2,17 @@
   module Lexer
     class MainLexer < Base
       rule(/(#{FUNCCV})#{ANYSP}#{EQL}#{ANYSP}(#{FORMULA})/) { :def_func }
       rule(/#{ITGRLSYM}#{ANYSP}#{LPRN}(#{ANYSTR})#{RPRN}#{LBRCT}(#{ANYSTR})#{RBRCT}/) { :integral }
       rule(/d\/d(#{VAR}) (#{FORMULA})/) { :differential }
+
+      rule(/lim#{LBRCT}(#{VAR})#{RSARW}(#{VARNUM})#{RBRCT} (#{FORMULA})/) { :limit }
+
       rule(/#{LPRN}(#{NUMS_BY_SP})#{RPRN}/) { :vector }
       rule(/#{LPRN}(#{NUMS_BY_SP_BY_SCLN_OR_NELN})#{RPRN}t/m) { :tmatrix }
       rule(/#{LPRN}(#{NUMS_BY_SP_BY_SCLN_OR_NELN})#{RPRN}/m) { :matrix }
+
+      rule(/∑#{LBRCT}(#{VAR})=(#{INT}),#{ANYSP}(#{INT})#{RBRCT} (#{FORMULA})/) { :sigma }
 
       rule(/#{FUNCCN}/) { :FUNCCN }
 
       rule(/#{LPRN}/) { :LPRN }
       rule(/#{RPRN}/) { :RPRN }