---
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 "fetchhg" (1, 3)
        , := lexemes ","
          , "," (1, 10)
        formals := rules "formal" "," "formals"
          formal := rules "ID"
            ID := lexemes "ID"
              ID "lib" (1, 12)
          , := lexemes ","
            , "," (1, 15)
          formals := rules "formal" "," "formals"
            formal := rules "ID"
              ID := lexemes "ID"
                ID "stdenv" (1, 17)
            , := lexemes ","
              , "," (1, 23)
            formals := rules "formal" "," "formals"
              formal := rules "ID"
                ID := lexemes "ID"
                  ID "cmake" (1, 25)
              , := lexemes ","
                , "," (1, 30)
              formals := rules "formal" "," "formals"
                formal := rules "ID"
                  ID := lexemes "ID"
                    ID "coin3d" (1, 32)
                , := lexemes ","
                  , "," (1, 38)
                formals := rules "formal" "," "formals"
                  formal := rules "ID"
                    ID := lexemes "ID"
                      ID "motif" (1, 40)
                  , := lexemes ","
                    , "," (1, 45)
                  formals := rules "formal" "," "formals"
                    formal := rules "ID"
                      ID := lexemes "ID"
                        ID "xlibsWrapper" (1, 47)
                    , := lexemes ","
                      , "," (1, 59)
                    formals := rules "formal" "," "formals"
                      formal := rules "ID"
                        ID := lexemes "ID"
                          ID "libXmu" (1, 61)
                      , := lexemes ","
                        , "," (1, 67)
                      formals := rules "formal" "," "formals"
                        formal := rules "ID"
                          ID := lexemes "ID"
                            ID "libGLU" (1, 69)
                        , := lexemes ","
                          , "," (1, 75)
                        formals := rules "formal"
                          formal := rules "ID"
                            ID := lexemes "ID"
                              ID "libGL" (1, 77)
      } := lexemes "}"
        } "}" (1, 83)
      : := lexemes ":"
        : ":" (1, 84)
      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 "{" "binds" "}"
                  { := lexemes "{"
                    { "{" (3, 21)
                  binds := rules "binds" "attrpath" "=" "expr" ";"
                    binds := rules "binds" "attrpath" "=" "expr" ";"
                      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 "soxt" (4, 12)
                                            " := lexemes "\""
                                              " "\"" (4, 16)
                              ; := lexemes ";"
                                ; ";" (4, 17)
                            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 "unstable-2019-06-14" (5, 14)
                                          " := lexemes "\""
                                            " "\"" (5, 33)
                            ; := lexemes ";"
                              ; ";" (5, 34)
                          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 "fetchhg" (7, 9)
                                    expr_select := rules "expr_simple"
                                      expr_simple := rules "{" "binds" "}"
                                        { := lexemes "{"
                                          { "{" (7, 17)
                                        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 "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 "STR"
                                                                STR := lexemes "STR"
                                                                  STR "https://bitbucket.org/Coin3D/soxt" (8, 12)
                                                              " := lexemes "\""
                                                                " "\"" (8, 45)
                                                ; := lexemes ";"
                                                  ; ";" (8, 46)
                                              attrpath := rules "attr"
                                                attr := rules "ID"
                                                  ID := lexemes "ID"
                                                    ID "rev" (9, 5)
                                              = := lexemes "="
                                                = "=" (9, 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 "\""
                                                              " "\"" (9, 11)
                                                            string_parts := rules "STR"
                                                              STR := lexemes "STR"
                                                                STR "85e135bb266fbb17e47fc336b876a576a239c15c" (9, 12)
                                                            " := lexemes "\""
                                                              " "\"" (9, 52)
                                              ; := lexemes ";"
                                                ; ";" (9, 53)
                                            attrpath := rules "attr"
                                              attr := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "sha256" (10, 5)
                                            = := lexemes "="
                                              = "=" (10, 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 "\""
                                                            " "\"" (10, 14)
                                                          string_parts := rules "STR"
                                                            STR := lexemes "STR"
                                                              STR "0vk5cgn53yqf7csqdnlnyyhi4mbgx4wlsq70613p5fgxlvxzhcym" (10, 15)
                                                          " := lexemes "\""
                                                            " "\"" (10, 67)
                                            ; := lexemes ";"
                                              ; ";" (10, 68)
                                          attrpath := rules "attr"
                                            attr := rules "ID"
                                              ID := lexemes "ID"
                                                ID "fetchSubrepos" (11, 5)
                                          = := lexemes "="
                                            = "=" (11, 19)
                                          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 "true" (11, 21)
                                          ; := lexemes ";"
                                            ; ";" (11, 25)
                                        } := lexemes "}"
                                          } "}" (12, 3)
                          ; := lexemes ";"
                            ; ";" (12, 4)
                        attrpath := rules "attr"
                          attr := rules "ID"
                            ID := lexemes "ID"
                              ID "nativeBuildInputs" (14, 3)
                        = := lexemes "="
                          = "=" (14, 21)
                        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 "[" "expr_list" "]"
                                      [ := lexemes "["
                                        [ "[" (14, 23)
                                      expr_list := rules "expr_list" "expr_select"
                                        expr_list := rules 
                                        expr_select := rules "expr_simple"
                                          expr_simple := rules "ID"
                                            ID := lexemes "ID"
                                              ID "cmake" (14, 25)
                                      ] := lexemes "]"
                                        ] "]" (14, 31)
                        ; := lexemes ";"
                          ; ";" (14, 32)
                      attrpath := rules "attr"
                        attr := rules "ID"
                          ID := lexemes "ID"
                            ID "buildInputs" (15, 3)
                      = := lexemes "="
                        = "=" (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 "[" "expr_list" "]"
                                    [ := lexemes "["
                                      [ "[" (15, 17)
                                    expr_list := rules "expr_list" "expr_select"
                                      expr_list := rules "expr_list" "expr_select"
                                        expr_list := rules "expr_list" "expr_select"
                                          expr_list := rules "expr_list" "expr_select"
                                            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 "coin3d" (15, 19)
                                              expr_select := rules "expr_simple"
                                                expr_simple := rules "ID"
                                                  ID := lexemes "ID"
                                                    ID "motif" (15, 26)
                                            expr_select := rules "expr_simple"
                                              expr_simple := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "xlibsWrapper" (15, 32)
                                          expr_select := rules "expr_simple"
                                            expr_simple := rules "ID"
                                              ID := lexemes "ID"
                                                ID "libGLU" (15, 45)
                                        expr_select := rules "expr_simple"
                                          expr_simple := rules "ID"
                                            ID := lexemes "ID"
                                              ID "libGL" (15, 52)
                                      expr_select := rules "expr_simple"
                                        expr_simple := rules "ID"
                                          ID := lexemes "ID"
                                            ID "libXmu" (15, 58)
                                    ] := lexemes "]"
                                      ] "]" (15, 65)
                      ; := lexemes ";"
                        ; ";" (15, 66)
                    attrpath := rules "attr"
                      attr := rules "ID"
                        ID := lexemes "ID"
                          ID "meta" (17, 3)
                    = := lexemes "="
                      = "=" (17, 8)
                    expr := rules "expr_function"
                      expr_function := rules "WITH" "expr" ";" "expr_function"
                        WITH := lexemes "WITH"
                          WITH "with" (17, 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" (17, 15)
                        ; := lexemes ";"
                          ; ";" (17, 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 "{"
                                      { "{" (17, 20)
                                    binds := rules "binds" "attrpath" "=" "expr" ";"
                                      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 "homepage" (18, 5)
                                              = := lexemes "="
                                                = "=" (18, 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 "\""
                                                              " "\"" (18, 16)
                                                            string_parts := rules "STR"
                                                              STR := lexemes "STR"
                                                                STR "https://bitbucket.org/Coin3D/coin/wiki/Home" (18, 17)
                                                            " := lexemes "\""
                                                              " "\"" (18, 60)
                                              ; := lexemes ";"
                                                ; ";" (18, 61)
                                            attrpath := rules "attr"
                                              attr := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "license" (19, 5)
                                            = := lexemes "="
                                              = "=" (19, 13)
                                            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 "licenses" (19, 15)
                                                        . := lexemes "."
                                                          . "." (19, 23)
                                                        attrpath := rules "attr"
                                                          attr := rules "ID"
                                                            ID := lexemes "ID"
                                                              ID "bsd3" (19, 24)
                                            ; := lexemes ";"
                                              ; ";" (19, 28)
                                          attrpath := rules "attr"
                                            attr := rules "ID"
                                              ID := lexemes "ID"
                                                ID "description" (20, 5)
                                          = := lexemes "="
                                            = "=" (20, 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 "\""
                                                          " "\"" (20, 19)
                                                        string_parts := rules "STR"
                                                          STR := lexemes "STR"
                                                            STR "A GUI binding for using Open Inventor with Xt/Motif" (20, 20)
                                                        " := lexemes "\""
                                                          " "\"" (20, 71)
                                          ; := lexemes ";"
                                            ; ";" (20, 72)
                                        attrpath := rules "attr"
                                          attr := rules "ID"
                                            ID := lexemes "ID"
                                              ID "maintainers" (21, 5)
                                        = := lexemes "="
                                          = "=" (21, 17)
                                        expr := rules "expr_function"
                                          expr_function := rules "WITH" "expr" ";" "expr_function"
                                            WITH := lexemes "WITH"
                                              WITH "with" (21, 19)
                                            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 "maintainers" (21, 24)
                                            ; := lexemes ";"
                                              ; ";" (21, 35)
                                            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 "["
                                                          [ "[" (21, 37)
                                                        expr_list := rules "expr_list" "expr_select"
                                                          expr_list := rules 
                                                          expr_select := rules "expr_simple"
                                                            expr_simple := rules "ID"
                                                              ID := lexemes "ID"
                                                                ID "tmplt" (21, 39)
                                                        ] := lexemes "]"
                                                          ] "]" (21, 45)
                                        ; := lexemes ";"
                                          ; ";" (21, 46)
                                      attrpath := rules "attr"
                                        attr := rules "ID"
                                          ID := lexemes "ID"
                                            ID "platforms" (22, 5)
                                      = := lexemes "="
                                        = "=" (22, 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" (22, 17)
                                                  . := lexemes "."
                                                    . "." (22, 26)
                                                  attrpath := rules "attr"
                                                    attr := rules "ID"
                                                      ID := lexemes "ID"
                                                        ID "linux" (22, 27)
                                      ; := lexemes ";"
                                        ; ";" (22, 32)
                                    } := lexemes "}"
                                      } "}" (23, 3)
                    ; := lexemes ";"
                      ; ";" (23, 4)
                  } := lexemes "}"
                    } "}" (24, 1)