---
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" "," "formals"
            formal := rules "ID"
              ID := lexemes "ID"
                ID "fetchurl" (1, 16)
            , := lexemes ","
              , "," (1, 24)
            formals := rules "formal" "," "formals"
              formal := rules "ID"
                ID := lexemes "ID"
                  ID "pkg-config" (1, 26)
              , := lexemes ","
                , "," (1, 36)
              formals := rules "formal" "," "formals"
                formal := rules "ID"
                  ID := lexemes "ID"
                    ID "python3" (1, 38)
                , := lexemes ","
                  , "," (1, 45)
                formals := rules "formal"
                  formal := rules "ID"
                    ID := lexemes "ID"
                      ID "wafHook" (1, 47)
      } := lexemes "}"
        } "}" (1, 55)
      : := lexemes ":"
        : ":" (1, 56)
      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 "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 "serd" (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 "0.30.10" (5, 14)
                                          " := lexemes "\""
                                            " "\"" (5, 21)
                            ; := lexemes ";"
                              ; ";" (5, 22)
                          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 "string_parts_interpolated" "DOLLAR_CURLY" "expr" "}"
                                                                string_parts_interpolated := rules "string_parts_interpolated" "STR"
                                                                  string_parts_interpolated := rules "STR" "DOLLAR_CURLY" "expr" "}"
                                                                    STR := lexemes "STR"
                                                                      STR "https://download.drobilla.net/" (8, 12)
                                                                    DOLLAR_CURLY := lexemes "DOLLAR_CURLY"
                                                                      DOLLAR_CURLY "${" (8, 42)
                                                                    expr := rules "expr_function"
                                                                      expr_function := rules "expr_if"
                                                                        expr_if := rules "expr_op"
                                                                          expr_op := rules "expr_app"
                                                                            expr_app := rules "expr_select"
                                                                              expr_select := rules "expr_simple"
                                                                                expr_simple := rules "ID"
                                                                                  ID := lexemes "ID"
                                                                                    ID "pname" (8, 44)
                                                                    } := lexemes "}"
                                                                      } "}" (8, 49)
                                                                  STR := lexemes "STR"
                                                                    STR "-" (8, 50)
                                                                DOLLAR_CURLY := lexemes "DOLLAR_CURLY"
                                                                  DOLLAR_CURLY "${" (8, 51)
                                                                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, 53)
                                                                } := lexemes "}"
                                                                  } "}" (8, 60)
                                                              STR := lexemes "STR"
                                                                STR ".tar.bz2" (8, 61)
                                                          " := lexemes "\""
                                                            " "\"" (8, 69)
                                            ; := lexemes ";"
                                              ; ";" (8, 70)
                                          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 "sha256-r/qA3ux4kh+GM15vw/GLgK7+z0JPaldV6fL6DrBxDt8=" (9, 15)
                                                        " := lexemes "\""
                                                          " "\"" (9, 66)
                                          ; := lexemes ";"
                                            ; ";" (9, 67)
                                        } := lexemes "}"
                                          } "}" (10, 3)
                          ; := lexemes ";"
                            ; ";" (10, 4)
                        attrpath := rules "attr"
                          attr := rules "ID"
                            ID := lexemes "ID"
                              ID "dontAddWafCrossFlags" (12, 3)
                        = := lexemes "="
                          = "=" (12, 24)
                        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" (12, 26)
                        ; := lexemes ";"
                          ; ";" (12, 30)
                      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_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 "pkg-config" (14, 25)
                                        expr_select := rules "expr_simple"
                                          expr_simple := rules "ID"
                                            ID := lexemes "ID"
                                              ID "python3" (14, 36)
                                      expr_select := rules "expr_simple"
                                        expr_simple := rules "ID"
                                          ID := lexemes "ID"
                                            ID "wafHook" (14, 44)
                                    ] := lexemes "]"
                                      ] "]" (14, 52)
                      ; := lexemes ";"
                        ; ";" (14, 53)
                    attrpath := rules "attr"
                      attr := rules "ID"
                        ID := lexemes "ID"
                          ID "meta" (16, 3)
                    = := lexemes "="
                      = "=" (16, 8)
                    expr := rules "expr_function"
                      expr_function := rules "WITH" "expr" ";" "expr_function"
                        WITH := lexemes "WITH"
                          WITH "with" (16, 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" (16, 15)
                        ; := lexemes ";"
                          ; ";" (16, 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 "{"
                                      { "{" (16, 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" (17, 5)
                                              = := lexemes "="
                                                = "=" (17, 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 "\""
                                                              " "\"" (17, 16)
                                                            string_parts := rules "STR"
                                                              STR := lexemes "STR"
                                                                STR "http://drobilla.net/software/serd" (17, 17)
                                                            " := lexemes "\""
                                                              " "\"" (17, 50)
                                              ; := lexemes ";"
                                                ; ";" (17, 51)
                                            attrpath := rules "attr"
                                              attr := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "description" (18, 5)
                                            = := lexemes "="
                                              = "=" (18, 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 "\""
                                                            " "\"" (18, 19)
                                                          string_parts := rules "STR"
                                                            STR := lexemes "STR"
                                                              STR "A lightweight C library for RDF syntax which supports reading and writing Turtle and NTriples" (18, 20)
                                                          " := lexemes "\""
                                                            " "\"" (18, 113)
                                            ; := lexemes ";"
                                              ; ";" (18, 114)
                                          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 "mit" (19, 24)
                                          ; := lexemes ";"
                                            ; ";" (19, 27)
                                        attrpath := rules "attr"
                                          attr := rules "ID"
                                            ID := lexemes "ID"
                                              ID "maintainers" (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 "[" "expr_list" "]"
                                                      [ := lexemes "["
                                                        [ "[" (20, 19)
                                                      expr_list := rules "expr_list" "expr_select"
                                                        expr_list := rules 
                                                        expr_select := rules "expr_simple" "." "attrpath"
                                                          expr_simple := rules "ID"
                                                            ID := lexemes "ID"
                                                              ID "maintainers" (20, 21)
                                                          . := lexemes "."
                                                            . "." (20, 32)
                                                          attrpath := rules "attr"
                                                            attr := rules "ID"
                                                              ID := lexemes "ID"
                                                                ID "goibhniu" (20, 33)
                                                      ] := lexemes "]"
                                                        ] "]" (20, 42)
                                        ; := lexemes ";"
                                          ; ";" (20, 43)
                                      attrpath := rules "attr"
                                        attr := rules "ID"
                                          ID := lexemes "ID"
                                            ID "platforms" (21, 5)
                                      = := lexemes "="
                                        = "=" (21, 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" (21, 17)
                                                  . := lexemes "."
                                                    . "." (21, 26)
                                                  attrpath := rules "attr"
                                                    attr := rules "ID"
                                                      ID := lexemes "ID"
                                                        ID "unix" (21, 27)
                                      ; := lexemes ";"
                                        ; ";" (21, 31)
                                    } := lexemes "}"
                                      } "}" (22, 3)
                    ; := lexemes ";"
                      ; ";" (22, 4)
                  } := lexemes "}"
                    } "}" (23, 1)