---
Γ := rules "expr"
  expr := rules "expr_function"
    expr_function := rules "{" "formals" "}" ":" "expr_function"
      { := lexemes "{"
        { "{" (1, 1)
      formals := rules "formal" "," "formals"
        formal := rules "ID"
          ID := lexemes "ID"
            ID "lib" (1, 3)
        , := lexemes ","
          , "," (1, 6)
        formals := rules "formal" "," "formals"
          formal := rules "ID"
            ID := lexemes "ID"
              ID "stdenv" (1, 8)
          , := lexemes ","
            , "," (1, 14)
          formals := rules "formal"
            formal := rules "ID"
              ID := lexemes "ID"
                ID "fetchurl" (1, 16)
      } := lexemes "}"
        } "}" (1, 25)
      : := lexemes ":"
        : ":" (1, 26)
      expr_function := rules "expr_if"
        expr_if := rules "expr_op"
          expr_op := rules "expr_app"
            expr_app := rules "expr_app" "expr_select"
              expr_app := rules "expr_select"
                expr_select := rules "expr_simple" "." "attrpath"
                  expr_simple := rules "ID"
                    ID := lexemes "ID"
                      ID "stdenv" (3, 1)
                  . := lexemes "."
                    . "." (3, 7)
                  attrpath := rules "attr"
                    attr := rules "ID"
                      ID := lexemes "ID"
                        ID "mkDerivation" (3, 8)
              expr_select := rules "expr_simple"
                expr_simple := rules "REC" "{" "binds" "}"
                  REC := lexemes "REC"
                    REC "rec" (3, 21)
                  { := lexemes "{"
                    { "{" (3, 25)
                  binds := rules "binds" "attrpath" "=" "expr" ";"
                    binds := rules "binds" "attrpath" "=" "expr" ";"
                      binds := rules "binds" "attrpath" "=" "expr" ";"
                        binds := rules "binds" "attrpath" "=" "expr" ";"
                          binds := rules 
                          attrpath := rules "attr"
                            attr := rules "ID"
                              ID := lexemes "ID"
                                ID "pname" (4, 3)
                          = := lexemes "="
                            = "=" (4, 9)
                          expr := rules "expr_function"
                            expr_function := rules "expr_if"
                              expr_if := rules "expr_op"
                                expr_op := rules "expr_app"
                                  expr_app := rules "expr_select"
                                    expr_select := rules "expr_simple"
                                      expr_simple := rules "\"" "string_parts" "\""
                                        " := lexemes "\""
                                          " "\"" (4, 11)
                                        string_parts := rules "STR"
                                          STR := lexemes "STR"
                                            STR "lksctp-tools" (4, 12)
                                        " := lexemes "\""
                                          " "\"" (4, 24)
                          ; := lexemes ";"
                            ; ";" (4, 25)
                        attrpath := rules "attr"
                          attr := rules "ID"
                            ID := lexemes "ID"
                              ID "version" (5, 3)
                        = := lexemes "="
                          = "=" (5, 11)
                        expr := rules "expr_function"
                          expr_function := rules "expr_if"
                            expr_if := rules "expr_op"
                              expr_op := rules "expr_app"
                                expr_app := rules "expr_select"
                                  expr_select := rules "expr_simple"
                                    expr_simple := rules "\"" "string_parts" "\""
                                      " := lexemes "\""
                                        " "\"" (5, 13)
                                      string_parts := rules "STR"
                                        STR := lexemes "STR"
                                          STR "1.0.17" (5, 14)
                                      " := lexemes "\""
                                        " "\"" (5, 20)
                        ; := lexemes ";"
                          ; ";" (5, 21)
                      attrpath := rules "attr"
                        attr := rules "ID"
                          ID := lexemes "ID"
                            ID "src" (7, 3)
                      = := lexemes "="
                        = "=" (7, 7)
                      expr := rules "expr_function"
                        expr_function := rules "expr_if"
                          expr_if := rules "expr_op"
                            expr_op := rules "expr_app"
                              expr_app := rules "expr_app" "expr_select"
                                expr_app := rules "expr_select"
                                  expr_select := rules "expr_simple"
                                    expr_simple := rules "ID"
                                      ID := lexemes "ID"
                                        ID "fetchurl" (7, 9)
                                expr_select := rules "expr_simple"
                                  expr_simple := rules "{" "binds" "}"
                                    { := lexemes "{"
                                      { "{" (7, 18)
                                    binds := rules "binds" "attrpath" "=" "expr" ";"
                                      binds := rules "binds" "attrpath" "=" "expr" ";"
                                        binds := rules 
                                        attrpath := rules "attr"
                                          attr := rules "ID"
                                            ID := lexemes "ID"
                                              ID "url" (8, 5)
                                        = := lexemes "="
                                          = "=" (8, 9)
                                        expr := rules "expr_function"
                                          expr_function := rules "expr_if"
                                            expr_if := rules "expr_op"
                                              expr_op := rules "expr_app"
                                                expr_app := rules "expr_select"
                                                  expr_select := rules "expr_simple"
                                                    expr_simple := rules "\"" "string_parts" "\""
                                                      " := lexemes "\""
                                                        " "\"" (8, 11)
                                                      string_parts := rules "string_parts_interpolated"
                                                        string_parts_interpolated := rules "string_parts_interpolated" "STR"
                                                          string_parts_interpolated := rules "STR" "DOLLAR_CURLY" "expr" "}"
                                                            STR := lexemes "STR"
                                                              STR "mirror://sourceforge/lksctp/lksctp-tools-" (8, 12)
                                                            DOLLAR_CURLY := lexemes "DOLLAR_CURLY"
                                                              DOLLAR_CURLY "${" (8, 53)
                                                            expr := rules "expr_function"
                                                              expr_function := rules "expr_if"
                                                                expr_if := rules "expr_op"
                                                                  expr_op := rules "expr_app"
                                                                    expr_app := rules "expr_select"
                                                                      expr_select := rules "expr_simple"
                                                                        expr_simple := rules "ID"
                                                                          ID := lexemes "ID"
                                                                            ID "version" (8, 55)
                                                            } := lexemes "}"
                                                              } "}" (8, 62)
                                                          STR := lexemes "STR"
                                                            STR ".tar.gz" (8, 63)
                                                      " := lexemes "\""
                                                        " "\"" (8, 70)
                                        ; := lexemes ";"
                                          ; ";" (8, 71)
                                      attrpath := rules "attr"
                                        attr := rules "ID"
                                          ID := lexemes "ID"
                                            ID "sha256" (9, 5)
                                      = := lexemes "="
                                        = "=" (9, 12)
                                      expr := rules "expr_function"
                                        expr_function := rules "expr_if"
                                          expr_if := rules "expr_op"
                                            expr_op := rules "expr_app"
                                              expr_app := rules "expr_select"
                                                expr_select := rules "expr_simple"
                                                  expr_simple := rules "\"" "string_parts" "\""
                                                    " := lexemes "\""
                                                      " "\"" (9, 14)
                                                    string_parts := rules "STR"
                                                      STR := lexemes "STR"
                                                        STR "05da6c2v3acc18ndvmkrag6x5lf914b7s0xkkr6wkvrbvd621sqs" (9, 15)
                                                    " := lexemes "\""
                                                      " "\"" (9, 67)
                                      ; := lexemes ";"
                                        ; ";" (9, 68)
                                    } := lexemes "}"
                                      } "}" (10, 3)
                      ; := lexemes ";"
                        ; ";" (10, 4)
                    attrpath := rules "attr"
                      attr := rules "ID"
                        ID := lexemes "ID"
                          ID "meta" (12, 3)
                    = := lexemes "="
                      = "=" (12, 8)
                    expr := rules "expr_function"
                      expr_function := rules "WITH" "expr" ";" "expr_function"
                        WITH := lexemes "WITH"
                          WITH "with" (12, 10)
                        expr := rules "expr_function"
                          expr_function := rules "expr_if"
                            expr_if := rules "expr_op"
                              expr_op := rules "expr_app"
                                expr_app := rules "expr_select"
                                  expr_select := rules "expr_simple"
                                    expr_simple := rules "ID"
                                      ID := lexemes "ID"
                                        ID "lib" (12, 15)
                        ; := lexemes ";"
                          ; ";" (12, 18)
                        expr_function := rules "expr_if"
                          expr_if := rules "expr_op"
                            expr_op := rules "expr_app"
                              expr_app := rules "expr_select"
                                expr_select := rules "expr_simple"
                                  expr_simple := rules "{" "binds" "}"
                                    { := lexemes "{"
                                      { "{" (12, 20)
                                    binds := rules "binds" "attrpath" "=" "expr" ";"
                                      binds := rules "binds" "attrpath" "=" "expr" ";"
                                        binds := rules "binds" "attrpath" "=" "expr" ";"
                                          binds := rules "binds" "attrpath" "=" "expr" ";"
                                            binds := rules 
                                            attrpath := rules "attr"
                                              attr := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "description" (13, 5)
                                            = := lexemes "="
                                              = "=" (13, 17)
                                            expr := rules "expr_function"
                                              expr_function := rules "expr_if"
                                                expr_if := rules "expr_op"
                                                  expr_op := rules "expr_app"
                                                    expr_app := rules "expr_select"
                                                      expr_select := rules "expr_simple"
                                                        expr_simple := rules "\"" "string_parts" "\""
                                                          " := lexemes "\""
                                                            " "\"" (13, 19)
                                                          string_parts := rules "STR"
                                                            STR := lexemes "STR"
                                                              STR "Linux Kernel Stream Control Transmission Protocol Tools" (13, 20)
                                                          " := lexemes "\""
                                                            " "\"" (13, 75)
                                            ; := lexemes ";"
                                              ; ";" (13, 76)
                                          attrpath := rules "attr"
                                            attr := rules "ID"
                                              ID := lexemes "ID"
                                                ID "homepage" (14, 5)
                                          = := lexemes "="
                                            = "=" (14, 14)
                                          expr := rules "expr_function"
                                            expr_function := rules "expr_if"
                                              expr_if := rules "expr_op"
                                                expr_op := rules "expr_app"
                                                  expr_app := rules "expr_select"
                                                    expr_select := rules "expr_simple"
                                                      expr_simple := rules "\"" "string_parts" "\""
                                                        " := lexemes "\""
                                                          " "\"" (14, 16)
                                                        string_parts := rules "STR"
                                                          STR := lexemes "STR"
                                                            STR "http://lksctp.sourceforge.net/" (14, 17)
                                                        " := lexemes "\""
                                                          " "\"" (14, 47)
                                          ; := lexemes ";"
                                            ; ";" (14, 48)
                                        attrpath := rules "attr"
                                          attr := rules "ID"
                                            ID := lexemes "ID"
                                              ID "license" (15, 5)
                                        = := lexemes "="
                                          = "=" (15, 13)
                                        expr := rules "expr_function"
                                          expr_function := rules "WITH" "expr" ";" "expr_function"
                                            WITH := lexemes "WITH"
                                              WITH "with" (15, 15)
                                            expr := rules "expr_function"
                                              expr_function := rules "expr_if"
                                                expr_if := rules "expr_op"
                                                  expr_op := rules "expr_app"
                                                    expr_app := rules "expr_select"
                                                      expr_select := rules "expr_simple"
                                                        expr_simple := rules "ID"
                                                          ID := lexemes "ID"
                                                            ID "licenses" (15, 20)
                                            ; := lexemes ";"
                                              ; ";" (15, 28)
                                            expr_function := rules "expr_if"
                                              expr_if := rules "expr_op"
                                                expr_op := rules "expr_app"
                                                  expr_app := rules "expr_select"
                                                    expr_select := rules "expr_simple"
                                                      expr_simple := rules "[" "expr_list" "]"
                                                        [ := lexemes "["
                                                          [ "[" (15, 30)
                                                        expr_list := rules "expr_list" "expr_select"
                                                          expr_list := rules "expr_list" "expr_select"
                                                            expr_list := rules 
                                                            expr_select := rules "expr_simple"
                                                              expr_simple := rules "ID"
                                                                ID := lexemes "ID"
                                                                  ID "gpl2" (15, 32)
                                                          expr_select := rules "expr_simple"
                                                            expr_simple := rules "ID"
                                                              ID := lexemes "ID"
                                                                ID "lgpl21" (15, 37)
                                                        ] := lexemes "]"
                                                          ] "]" (15, 44)
                                        ; := lexemes ";"
                                          ; ";" (15, 45)
                                      attrpath := rules "attr"
                                        attr := rules "ID"
                                          ID := lexemes "ID"
                                            ID "platforms" (16, 5)
                                      = := lexemes "="
                                        = "=" (16, 15)
                                      expr := rules "expr_function"
                                        expr_function := rules "expr_if"
                                          expr_if := rules "expr_op"
                                            expr_op := rules "expr_app"
                                              expr_app := rules "expr_select"
                                                expr_select := rules "expr_simple" "." "attrpath"
                                                  expr_simple := rules "ID"
                                                    ID := lexemes "ID"
                                                      ID "platforms" (16, 17)
                                                  . := lexemes "."
                                                    . "." (16, 26)
                                                  attrpath := rules "attr"
                                                    attr := rules "ID"
                                                      ID := lexemes "ID"
                                                        ID "linux" (16, 27)
                                      ; := lexemes ";"
                                        ; ";" (16, 32)
                                    } := lexemes "}"
                                      } "}" (17, 3)
                    ; := lexemes ";"
                      ; ";" (17, 4)
                  } := lexemes "}"
                    } "}" (18, 1)