Ast_411.Parsetreetype constant = | Pconst_integer of string * char option | 
| Pconst_char of char | 
| Pconst_string of string * Location.t * string option | 
| Pconst_float of string * char option | 
type location_stack = Location.t listand extension = string Asttypes.loc * payloadand attributes = attribute listand payload = | PStr of structure | 
| PSig of signature | 
| PTyp of core_type | 
| PPat of pattern * expression option | 
and core_type = {ptyp_desc : core_type_desc; | 
ptyp_loc : Location.t; | 
ptyp_loc_stack : location_stack; | 
ptyp_attributes : attributes; | 
}and core_type_desc = | Ptyp_any | 
| Ptyp_var of string | 
| Ptyp_arrow of Asttypes.arg_label * core_type * core_type | 
| Ptyp_tuple of core_type list | 
| Ptyp_constr of Longident.t Asttypes.loc * core_type list | 
| Ptyp_object of object_field list * Asttypes.closed_flag | 
| Ptyp_class of Longident.t Asttypes.loc * core_type list | 
| Ptyp_alias of core_type * string | 
| Ptyp_variant of row_field list * Asttypes.closed_flag * Asttypes.label list option | 
| Ptyp_poly of string Asttypes.loc list * core_type | 
| Ptyp_package of package_type | 
| Ptyp_extension of extension | 
and package_type = Longident.t Asttypes.loc * (Longident.t Asttypes.loc * core_type) listand row_field_desc = | Rtag of Asttypes.label Asttypes.loc * bool * core_type list | 
| Rinherit of core_type | 
and pattern = {ppat_desc : pattern_desc; | 
ppat_loc : Location.t; | 
ppat_loc_stack : location_stack; | 
ppat_attributes : attributes; | 
}and pattern_desc = | Ppat_any | 
| Ppat_var of string Asttypes.loc | 
| Ppat_alias of pattern * string Asttypes.loc | 
| Ppat_constant of constant | 
| Ppat_interval of constant * constant | 
| Ppat_tuple of pattern list | 
| Ppat_construct of Longident.t Asttypes.loc * pattern option | 
| Ppat_variant of Asttypes.label * pattern option | 
| Ppat_record of (Longident.t Asttypes.loc * pattern) list * Asttypes.closed_flag | 
| Ppat_array of pattern list | 
| Ppat_or of pattern * pattern | 
| Ppat_constraint of pattern * core_type | 
| Ppat_type of Longident.t Asttypes.loc | 
| Ppat_lazy of pattern | 
| Ppat_unpack of string option Asttypes.loc | 
| Ppat_exception of pattern | 
| Ppat_extension of extension | 
| Ppat_open of Longident.t Asttypes.loc * pattern | 
and expression = {pexp_desc : expression_desc; | 
pexp_loc : Location.t; | 
pexp_loc_stack : location_stack; | 
pexp_attributes : attributes; | 
}and expression_desc = and binding_op = {pbop_op : string Asttypes.loc; | 
pbop_pat : pattern; | 
pbop_exp : expression; | 
pbop_loc : Location.t; | 
}and value_description = {pval_name : string Asttypes.loc; | 
pval_type : core_type; | 
pval_prim : string list; | 
pval_attributes : attributes; | 
pval_loc : Location.t; | 
}and type_declaration = {ptype_name : string Asttypes.loc; | 
ptype_params : (core_type * Asttypes.variance) list; | 
ptype_cstrs : (core_type * core_type * Location.t) list; | 
ptype_kind : type_kind; | 
ptype_private : Asttypes.private_flag; | 
ptype_manifest : core_type option; | 
ptype_attributes : attributes; | 
ptype_loc : Location.t; | 
}and type_kind = | Ptype_abstract | 
| Ptype_variant of constructor_declaration list | 
| Ptype_record of label_declaration list | 
| Ptype_open | 
and label_declaration = {pld_name : string Asttypes.loc; | 
pld_mutable : Asttypes.mutable_flag; | 
pld_type : core_type; | 
pld_loc : Location.t; | 
pld_attributes : attributes; | 
}and constructor_declaration = {pcd_name : string Asttypes.loc; | 
pcd_args : constructor_arguments; | 
pcd_res : core_type option; | 
pcd_loc : Location.t; | 
pcd_attributes : attributes; | 
}and type_extension = {ptyext_path : Longident.t Asttypes.loc; | 
ptyext_params : (core_type * Asttypes.variance) list; | 
ptyext_constructors : extension_constructor list; | 
ptyext_private : Asttypes.private_flag; | 
ptyext_loc : Location.t; | 
ptyext_attributes : attributes; | 
}and extension_constructor = {pext_name : string Asttypes.loc; | 
pext_kind : extension_constructor_kind; | 
pext_loc : Location.t; | 
pext_attributes : attributes; | 
}and type_exception = {ptyexn_constructor : extension_constructor; | 
ptyexn_loc : Location.t; | 
ptyexn_attributes : attributes; | 
}and extension_constructor_kind = | Pext_decl of constructor_arguments * core_type option | 
| Pext_rebind of Longident.t Asttypes.loc | 
and class_type_desc = | Pcty_constr of Longident.t Asttypes.loc * core_type list | 
| Pcty_signature of class_signature | 
| Pcty_arrow of Asttypes.arg_label * core_type * class_type | 
| Pcty_extension of extension | 
| Pcty_open of open_description * class_type | 
and class_type_field = {pctf_desc : class_type_field_desc; | 
pctf_loc : Location.t; | 
pctf_attributes : attributes; | 
}and class_type_field_desc = | Pctf_inherit of class_type | 
| Pctf_val of Asttypes.label Asttypes.loc * Asttypes.mutable_flag * Asttypes.virtual_flag * core_type | 
| Pctf_method of Asttypes.label Asttypes.loc * Asttypes.private_flag * Asttypes.virtual_flag * core_type | 
| Pctf_constraint of core_type * core_type | 
| Pctf_attribute of attribute | 
| Pctf_extension of extension | 
and 'a class_infos = {pci_virt : Asttypes.virtual_flag; | 
pci_params : (core_type * Asttypes.variance) list; | 
pci_name : string Asttypes.loc; | 
pci_expr : 'a; | 
pci_loc : Location.t; | 
pci_attributes : attributes; | 
}and class_description = class_type class_infosand class_type_declaration = class_type class_infosand class_expr_desc = | Pcl_constr of Longident.t Asttypes.loc * core_type list | 
| Pcl_structure of class_structure | 
| Pcl_fun of Asttypes.arg_label * expression option * pattern * class_expr | 
| Pcl_apply of class_expr * (Asttypes.arg_label * expression) list | 
| Pcl_let of Asttypes.rec_flag * value_binding list * class_expr | 
| Pcl_constraint of class_expr * class_type | 
| Pcl_extension of extension | 
| Pcl_open of open_description * class_expr | 
and class_field_desc = | Pcf_inherit of Asttypes.override_flag * class_expr * string Asttypes.loc option | 
| Pcf_val of Asttypes.label Asttypes.loc * Asttypes.mutable_flag * class_field_kind | 
| Pcf_method of Asttypes.label Asttypes.loc * Asttypes.private_flag * class_field_kind | 
| Pcf_constraint of core_type * core_type | 
| Pcf_initializer of expression | 
| Pcf_attribute of attribute | 
| Pcf_extension of extension | 
and class_field_kind = | Cfk_virtual of core_type | 
| Cfk_concrete of Asttypes.override_flag * expression | 
and class_declaration = class_expr class_infosand module_type = {pmty_desc : module_type_desc; | 
pmty_loc : Location.t; | 
pmty_attributes : attributes; | 
}and module_type_desc = | Pmty_ident of Longident.t Asttypes.loc | 
| Pmty_signature of signature | 
| Pmty_functor of functor_parameter * module_type | 
| Pmty_with of module_type * with_constraint list | 
| Pmty_typeof of module_expr | 
| Pmty_extension of extension | 
| Pmty_alias of Longident.t Asttypes.loc | 
and signature = signature_item listand signature_item_desc = | Psig_value of value_description | 
| Psig_type of Asttypes.rec_flag * type_declaration list | 
| Psig_typesubst of type_declaration list | 
| Psig_typext of type_extension | 
| Psig_exception of type_exception | 
| Psig_module of module_declaration | 
| Psig_modsubst of module_substitution | 
| Psig_recmodule of module_declaration list | 
| Psig_modtype of module_type_declaration | 
| Psig_open of open_description | 
| Psig_include of include_description | 
| Psig_class of class_description list | 
| Psig_class_type of class_type_declaration list | 
| Psig_attribute of attribute | 
| Psig_extension of extension * attributes | 
and module_declaration = {pmd_name : string option Asttypes.loc; | 
pmd_type : module_type; | 
pmd_attributes : attributes; | 
pmd_loc : Location.t; | 
}and module_substitution = {pms_name : string Asttypes.loc; | 
pms_manifest : Longident.t Asttypes.loc; | 
pms_attributes : attributes; | 
pms_loc : Location.t; | 
}and module_type_declaration = {pmtd_name : string Asttypes.loc; | 
pmtd_type : module_type option; | 
pmtd_attributes : attributes; | 
pmtd_loc : Location.t; | 
}and 'a open_infos = {popen_expr : 'a; | 
popen_override : Asttypes.override_flag; | 
popen_loc : Location.t; | 
popen_attributes : attributes; | 
}and open_description = Longident.t Asttypes.loc open_infosand open_declaration = module_expr open_infosand include_description = module_type include_infosand include_declaration = module_expr include_infosand with_constraint = | Pwith_type of Longident.t Asttypes.loc * type_declaration | 
| Pwith_module of Longident.t Asttypes.loc * Longident.t Asttypes.loc | 
| Pwith_typesubst of Longident.t Asttypes.loc * type_declaration | 
| Pwith_modsubst of Longident.t Asttypes.loc * Longident.t Asttypes.loc | 
and module_expr = {pmod_desc : module_expr_desc; | 
pmod_loc : Location.t; | 
pmod_attributes : attributes; | 
}and module_expr_desc = | Pmod_ident of Longident.t Asttypes.loc | 
| Pmod_structure of structure | 
| Pmod_functor of functor_parameter * module_expr | 
| Pmod_apply of module_expr * module_expr | 
| Pmod_constraint of module_expr * module_type | 
| Pmod_unpack of expression | 
| Pmod_extension of extension | 
and structure = structure_item listand structure_item_desc = | Pstr_eval of expression * attributes | 
| Pstr_value of Asttypes.rec_flag * value_binding list | 
| Pstr_primitive of value_description | 
| Pstr_type of Asttypes.rec_flag * type_declaration list | 
| Pstr_typext of type_extension | 
| Pstr_exception of type_exception | 
| Pstr_module of module_binding | 
| Pstr_recmodule of module_binding list | 
| Pstr_modtype of module_type_declaration | 
| Pstr_open of open_declaration | 
| Pstr_class of class_declaration list | 
| Pstr_class_type of class_type_declaration list | 
| Pstr_include of include_declaration | 
| Pstr_attribute of attribute | 
| Pstr_extension of extension * attributes | 
and value_binding = {pvb_pat : pattern; | 
pvb_expr : expression; | 
pvb_attributes : attributes; | 
pvb_loc : Location.t; | 
}and module_binding = {pmb_name : string option Asttypes.loc; | 
pmb_expr : module_expr; | 
pmb_attributes : attributes; | 
pmb_loc : Location.t; | 
}and toplevel_directive = {pdir_name : string Asttypes.loc; | 
pdir_arg : directive_argument option; | 
pdir_loc : Location.t; | 
}and directive_argument_desc = | Pdir_string of string | 
| Pdir_int of string * char option | 
| Pdir_ident of Longident.t | 
| Pdir_bool of bool |