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Module Parsetree

module Parsetree: sig .. end

Abstract syntax tree produced by parsing

Warning: this module is unstable and part of compiler-libs.

type 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 list

Extension points

type attribute = {
   attr_name : string Asttypes.loc;
   attr_payload : payload;
   attr_loc : Location.t;
} 
type extension = string Asttypes.loc * payload 
type attributes = attribute list 
type payload =
| PStr of structure
| PSig of signature
| PTyp of core_type
| PPat of pattern * expression option

Core language

type core_type = {
   ptyp_desc : core_type_desc;
   ptyp_loc : Location.t;
   ptyp_loc_stack : location_stack;
   ptyp_attributes : attributes;
} 
type 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 
type package_type = Longident.t Asttypes.loc *
       (Longident.t Asttypes.loc * core_type) list 
type row_field = {
   prf_desc : row_field_desc;
   prf_loc : Location.t;
   prf_attributes : attributes;
} 
type row_field_desc =
| Rtag of Asttypes.label Asttypes.loc * bool * core_type list
| Rinherit of core_type 
type object_field = {
   pof_desc : object_field_desc;
   pof_loc : Location.t;
   pof_attributes : attributes;
} 
type object_field_desc =
| Otag of Asttypes.label Asttypes.loc * core_type
| Oinherit of core_type 
type pattern = {
   ppat_desc : pattern_desc;
   ppat_loc : Location.t;
   ppat_loc_stack : location_stack;
   ppat_attributes : attributes;
} 
type 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 
type expression = {
   pexp_desc : expression_desc;
   pexp_loc : Location.t;
   pexp_loc_stack : location_stack;
   pexp_attributes : attributes;
} 
type expression_desc =
| Pexp_ident of Longident.t Asttypes.loc
| Pexp_constant of constant
| Pexp_let of Asttypes.rec_flag * value_binding list * expression
| Pexp_function of case list
| Pexp_fun of Asttypes.arg_label * expression option * pattern
* expression
| Pexp_apply of expression * (Asttypes.arg_label * expression) list
| Pexp_match of expression * case list
| Pexp_try of expression * case list
| Pexp_tuple of expression list
| Pexp_construct of Longident.t Asttypes.loc * expression option
| Pexp_variant of Asttypes.label * expression option
| Pexp_record of (Longident.t Asttypes.loc * expression) list
* expression option
| Pexp_field of expression * Longident.t Asttypes.loc
| Pexp_setfield of expression * Longident.t Asttypes.loc * expression
| Pexp_array of expression list
| Pexp_ifthenelse of expression * expression * expression option
| Pexp_sequence of expression * expression
| Pexp_while of expression * expression
| Pexp_for of pattern * expression * expression
* Asttypes.direction_flag * expression
| Pexp_constraint of expression * core_type
| Pexp_coerce of expression * core_type option * core_type
| Pexp_send of expression * Asttypes.label Asttypes.loc
| Pexp_new of Longident.t Asttypes.loc
| Pexp_setinstvar of Asttypes.label Asttypes.loc * expression
| Pexp_override of (Asttypes.label Asttypes.loc * expression) list
| Pexp_letmodule of string option Asttypes.loc * module_expr * expression
| Pexp_letexception of extension_constructor * expression
| Pexp_assert of expression
| Pexp_lazy of expression
| Pexp_poly of expression * core_type option
| Pexp_object of class_structure
| Pexp_newtype of string Asttypes.loc * expression
| Pexp_pack of module_expr
| Pexp_open of open_declaration * expression
| Pexp_letop of letop
| Pexp_extension of extension
| Pexp_unreachable 
type case = {
   pc_lhs : pattern;
   pc_guard : expression option;
   pc_rhs : expression;
} 
type letop = {
   let_ : binding_op;
   ands : binding_op list;
   body : expression;
} 
type binding_op = {
   pbop_op : string Asttypes.loc;
   pbop_pat : pattern;
   pbop_exp : expression;
   pbop_loc : Location.t;
} 
type value_description = {
   pval_name : string Asttypes.loc;
   pval_type : core_type;
   pval_prim : string list;
   pval_attributes : attributes;
   pval_loc : Location.t;
} 
type type_declaration = {
   ptype_name : string Asttypes.loc;
   ptype_params : (core_type * (Asttypes.variance * Asttypes.injectivity)) 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;
} 
type type_kind =
| Ptype_abstract
| Ptype_variant of constructor_declaration list
| Ptype_record of label_declaration list
| Ptype_open 
type label_declaration = {
   pld_name : string Asttypes.loc;
   pld_mutable : Asttypes.mutable_flag;
   pld_type : core_type;
   pld_loc : Location.t;
   pld_attributes : attributes;
} 
type constructor_declaration = {
   pcd_name : string Asttypes.loc;
   pcd_args : constructor_arguments;
   pcd_res : core_type option;
   pcd_loc : Location.t;
   pcd_attributes : attributes;
} 
type constructor_arguments =
| Pcstr_tuple of core_type list
| Pcstr_record of label_declaration list 
type type_extension = {
   ptyext_path : Longident.t Asttypes.loc;
   ptyext_params : (core_type * (Asttypes.variance * Asttypes.injectivity)) list;
   ptyext_constructors : extension_constructor list;
   ptyext_private : Asttypes.private_flag;
   ptyext_loc : Location.t;
   ptyext_attributes : attributes;
} 
type extension_constructor = {
   pext_name : string Asttypes.loc;
   pext_kind : extension_constructor_kind;
   pext_loc : Location.t;
   pext_attributes : attributes;
} 
type type_exception = {
   ptyexn_constructor : extension_constructor;
   ptyexn_loc : Location.t;
   ptyexn_attributes : attributes;
} 
type extension_constructor_kind =
| Pext_decl of constructor_arguments * core_type option
| Pext_rebind of Longident.t Asttypes.loc

Class language

type class_type = {
   pcty_desc : class_type_desc;
   pcty_loc : Location.t;
   pcty_attributes : attributes;
} 
type 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 
type class_signature = {
   pcsig_self : core_type;
   pcsig_fields : class_type_field list;
} 
type class_type_field = {
   pctf_desc : class_type_field_desc;
   pctf_loc : Location.t;
   pctf_attributes : attributes;
} 
type 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 
type 'a class_infos = {
   pci_virt : Asttypes.virtual_flag;
   pci_params : (core_type * (Asttypes.variance * Asttypes.injectivity)) list;
   pci_name : string Asttypes.loc;
   pci_expr : 'a;
   pci_loc : Location.t;
   pci_attributes : attributes;
} 
type class_description = class_type class_infos 
type class_type_declaration = class_type class_infos 
type class_expr = {
   pcl_desc : class_expr_desc;
   pcl_loc : Location.t;
   pcl_attributes : attributes;
} 
type 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 
type class_structure = {
   pcstr_self : pattern;
   pcstr_fields : class_field list;
} 
type class_field = {
   pcf_desc : class_field_desc;
   pcf_loc : Location.t;
   pcf_attributes : attributes;
} 
type 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 
type class_field_kind =
| Cfk_virtual of core_type
| Cfk_concrete of Asttypes.override_flag * expression 
type class_declaration = class_expr class_infos

Module language

type module_type = {
   pmty_desc : module_type_desc;
   pmty_loc : Location.t;
   pmty_attributes : attributes;
} 
type 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 
type functor_parameter =
| Unit
| Named of string option Asttypes.loc * module_type 
type signature = signature_item list 
type signature_item = {
   psig_desc : signature_item_desc;
   psig_loc : Location.t;
} 
type 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 
type module_declaration = {
   pmd_name : string option Asttypes.loc;
   pmd_type : module_type;
   pmd_attributes : attributes;
   pmd_loc : Location.t;
} 
type module_substitution = {
   pms_name : string Asttypes.loc;
   pms_manifest : Longident.t Asttypes.loc;
   pms_attributes : attributes;
   pms_loc : Location.t;
} 
type module_type_declaration = {
   pmtd_name : string Asttypes.loc;
   pmtd_type : module_type option;
   pmtd_attributes : attributes;
   pmtd_loc : Location.t;
} 
type 'a open_infos = {
   popen_expr : 'a;
   popen_override : Asttypes.override_flag;
   popen_loc : Location.t;
   popen_attributes : attributes;
} 
type open_description = Longident.t Asttypes.loc open_infos 
type open_declaration = module_expr open_infos 
type 'a include_infos = {
   pincl_mod : 'a;
   pincl_loc : Location.t;
   pincl_attributes : attributes;
} 
type include_description = module_type include_infos 
type include_declaration = module_expr include_infos 
type 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 
type module_expr = {
   pmod_desc : module_expr_desc;
   pmod_loc : Location.t;
   pmod_attributes : attributes;
} 
type 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 
type structure = structure_item list 
type structure_item = {
   pstr_desc : structure_item_desc;
   pstr_loc : Location.t;
} 
type 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 
type value_binding = {
   pvb_pat : pattern;
   pvb_expr : expression;
   pvb_attributes : attributes;
   pvb_loc : Location.t;
} 
type module_binding = {
   pmb_name : string option Asttypes.loc;
   pmb_expr : module_expr;
   pmb_attributes : attributes;
   pmb_loc : Location.t;
}

Toplevel

type toplevel_phrase =
| Ptop_def of structure
| Ptop_dir of toplevel_directive 
type toplevel_directive = {
   pdir_name : string Asttypes.loc;
   pdir_arg : directive_argument option;
   pdir_loc : Location.t;
} 
type directive_argument = {
   pdira_desc : directive_argument_desc;
   pdira_loc : Location.t;
} 
type directive_argument_desc =
| Pdir_string of string
| Pdir_int of string * char option
| Pdir_ident of Longident.t
| Pdir_bool of bool