open Ident open Location exception NonExhaustive of Types.descr exception Constraint of Types.descr * Types.descr exception ShouldHave of Types.descr * string exception WrongLabel of Types.descr * label exception UnboundId of id * bool exception UnboundExtId of Types.CompUnit.t * id exception ShouldHave2 of Types.descr * string * Types.descr exception Error of string exception Warning of string * Types.t val warning: loc -> string -> unit val error: loc -> string -> 'a include Custom.T val from_comp_unit: (Types.CompUnit.t -> t) ref val empty_env: t val get_ns_table : t -> Ns.table val register_types : Types.CompUnit.t -> t -> unit val enter_ns : U.t -> Ns.t -> t -> t val enter_schema: ?prefix:U.t -> U.t -> string -> t -> t val find_schema: U.t -> t -> string val enter_cu : U.t -> Types.CompUnit.t -> t -> t val find_cu : U.t -> t -> Types.CompUnit.t val enter_value: id -> Types.t -> t -> t val enter_values: (id * Types.t) list -> t -> t val find_value: id -> t -> Types.t val iter_values: t -> (id -> Types.t -> unit) -> unit val enter_type: id -> Types.t -> t -> t val enter_types: (id * Types.t) list -> t -> t val find_type: id -> t -> Types.t val type_defs: t -> (id * Ast.ppat) list -> (id * Types.t) list val typ: t -> Ast.ppat -> Types.Node.t val pat: t -> Ast.ppat -> Patterns.node val dump_types: Format.formatter -> t -> unit val dump_ns: Format.formatter -> t -> unit val set_ns_table_for_printer: t -> unit val type_expr: t -> Ast.pexpr -> Typed.texpr * Types.descr val type_let_decl: t -> Ast.ppat -> Ast.pexpr -> t * Typed.let_decl * (id * Types.t) list val type_let_funs: t -> Ast.pexpr list -> t * Typed.texpr list * (id * Types.t) list (* Assume that all the expressions are Abstractions *) val flatten: (Types.t -> bool -> Types.t) -> (Types.t -> bool -> Types.t) (** {2 Schema stuff} *) val get_schema: string -> Schema_types.schema (** lookup schema by uri *) val get_schema_names: t -> U.t list (** registered schema names *) (* Operators *) type type_fun = Types.t -> bool -> Types.t val register_op: string -> int -> (type_fun list -> type_fun) -> unit