package ocaml-migrate-parsetree

  1. Overview
  2. Docs
package ocaml-migrate-parsetree
Legend:
Library
Module
Module type
Parameter
Class
Class type

Abstract syntax tree produced by parsing

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

type constant = Parsetree.constant =
  1. | Pconst_integer of string * char option
  2. | Pconst_char of char
  3. | Pconst_string of string * Location.t * string option
  4. | Pconst_float of string * char option
type location_stack = Location.t list

Extension points

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

Core language

and core_type = Parsetree.core_type = {
  1. ptyp_desc : core_type_desc;
  2. ptyp_loc : Location.t;
  3. ptyp_loc_stack : location_stack;
  4. ptyp_attributes : attributes;
}
and core_type_desc = Parsetree.core_type_desc =
  1. | Ptyp_any
  2. | Ptyp_var of string
  3. | Ptyp_arrow of Asttypes.arg_label * core_type * core_type
  4. | Ptyp_tuple of core_type list
  5. | Ptyp_constr of Longident.t Asttypes.loc * core_type list
  6. | Ptyp_object of object_field list * Asttypes.closed_flag
  7. | Ptyp_class of Longident.t Asttypes.loc * core_type list
  8. | Ptyp_alias of core_type * string
  9. | Ptyp_variant of row_field list * Asttypes.closed_flag * Asttypes.label list option
  10. | Ptyp_poly of string Asttypes.loc list * core_type
  11. | Ptyp_package of package_type
  12. | Ptyp_extension of extension
and row_field = Parsetree.row_field = {
  1. prf_desc : row_field_desc;
  2. prf_loc : Location.t;
  3. prf_attributes : attributes;
}
and row_field_desc = Parsetree.row_field_desc =
  1. | Rtag of Asttypes.label Asttypes.loc * bool * core_type list
  2. | Rinherit of core_type
and object_field = Parsetree.object_field = {
  1. pof_desc : object_field_desc;
  2. pof_loc : Location.t;
  3. pof_attributes : attributes;
}
and object_field_desc = Parsetree.object_field_desc =
  1. | Otag of Asttypes.label Asttypes.loc * core_type
  2. | Oinherit of core_type
and pattern = Parsetree.pattern = {
  1. ppat_desc : pattern_desc;
  2. ppat_loc : Location.t;
  3. ppat_loc_stack : location_stack;
  4. ppat_attributes : attributes;
}
and pattern_desc = Parsetree.pattern_desc =
  1. | Ppat_any
  2. | Ppat_var of string Asttypes.loc
  3. | Ppat_alias of pattern * string Asttypes.loc
  4. | Ppat_constant of constant
  5. | Ppat_interval of constant * constant
  6. | Ppat_tuple of pattern list
  7. | Ppat_construct of Longident.t Asttypes.loc * pattern option
  8. | Ppat_variant of Asttypes.label * pattern option
  9. | Ppat_record of (Longident.t Asttypes.loc * pattern) list * Asttypes.closed_flag
  10. | Ppat_array of pattern list
  11. | Ppat_or of pattern * pattern
  12. | Ppat_constraint of pattern * core_type
  13. | Ppat_type of Longident.t Asttypes.loc
  14. | Ppat_lazy of pattern
  15. | Ppat_unpack of string option Asttypes.loc
  16. | Ppat_exception of pattern
  17. | Ppat_extension of extension
  18. | Ppat_open of Longident.t Asttypes.loc * pattern
and expression = Parsetree.expression = {
  1. pexp_desc : expression_desc;
  2. pexp_loc : Location.t;
  3. pexp_loc_stack : location_stack;
  4. pexp_attributes : attributes;
}
and expression_desc = Parsetree.expression_desc =
  1. | Pexp_ident of Longident.t Asttypes.loc
  2. | Pexp_constant of constant
  3. | Pexp_let of Asttypes.rec_flag * value_binding list * expression
  4. | Pexp_function of case list
  5. | Pexp_fun of Asttypes.arg_label * expression option * pattern * expression
  6. | Pexp_apply of expression * (Asttypes.arg_label * expression) list
  7. | Pexp_match of expression * case list
  8. | Pexp_try of expression * case list
  9. | Pexp_tuple of expression list
  10. | Pexp_construct of Longident.t Asttypes.loc * expression option
  11. | Pexp_variant of Asttypes.label * expression option
  12. | Pexp_record of (Longident.t Asttypes.loc * expression) list * expression option
  13. | Pexp_field of expression * Longident.t Asttypes.loc
  14. | Pexp_setfield of expression * Longident.t Asttypes.loc * expression
  15. | Pexp_array of expression list
  16. | Pexp_ifthenelse of expression * expression * expression option
  17. | Pexp_sequence of expression * expression
  18. | Pexp_while of expression * expression
  19. | Pexp_for of pattern * expression * expression * Asttypes.direction_flag * expression
  20. | Pexp_constraint of expression * core_type
  21. | Pexp_coerce of expression * core_type option * core_type
  22. | Pexp_send of expression * Asttypes.label Asttypes.loc
  23. | Pexp_new of Longident.t Asttypes.loc
  24. | Pexp_setinstvar of Asttypes.label Asttypes.loc * expression
  25. | Pexp_override of (Asttypes.label Asttypes.loc * expression) list
  26. | Pexp_letmodule of string option Asttypes.loc * module_expr * expression
  27. | Pexp_letexception of extension_constructor * expression
  28. | Pexp_assert of expression
  29. | Pexp_lazy of expression
  30. | Pexp_poly of expression * core_type option
  31. | Pexp_object of class_structure
  32. | Pexp_newtype of string Asttypes.loc * expression
  33. | Pexp_pack of module_expr
  34. | Pexp_open of open_declaration * expression
  35. | Pexp_letop of letop
  36. | Pexp_extension of extension
  37. | Pexp_unreachable
and case = Parsetree.case = {
  1. pc_lhs : pattern;
  2. pc_guard : expression option;
  3. pc_rhs : expression;
}
and letop = Parsetree.letop = {
  1. let_ : binding_op;
  2. ands : binding_op list;
  3. body : expression;
}
and binding_op = Parsetree.binding_op = {
  1. pbop_op : string Asttypes.loc;
  2. pbop_pat : pattern;
  3. pbop_exp : expression;
  4. pbop_loc : Location.t;
}
and value_description = Parsetree.value_description = {
  1. pval_name : string Asttypes.loc;
  2. pval_type : core_type;
  3. pval_prim : string list;
  4. pval_attributes : attributes;
  5. pval_loc : Location.t;
}
and type_declaration = Parsetree.type_declaration = {
  1. ptype_name : string Asttypes.loc;
  2. ptype_params : (core_type * Asttypes.variance) list;
  3. ptype_cstrs : (core_type * core_type * Location.t) list;
  4. ptype_kind : type_kind;
  5. ptype_private : Asttypes.private_flag;
  6. ptype_manifest : core_type option;
  7. ptype_attributes : attributes;
  8. ptype_loc : Location.t;
}
and type_kind = Parsetree.type_kind =
  1. | Ptype_abstract
  2. | Ptype_variant of constructor_declaration list
  3. | Ptype_record of label_declaration list
  4. | Ptype_open
and label_declaration = Parsetree.label_declaration = {
  1. pld_name : string Asttypes.loc;
  2. pld_mutable : Asttypes.mutable_flag;
  3. pld_type : core_type;
  4. pld_loc : Location.t;
  5. pld_attributes : attributes;
}
and constructor_declaration = Parsetree.constructor_declaration = {
  1. pcd_name : string Asttypes.loc;
  2. pcd_args : constructor_arguments;
  3. pcd_res : core_type option;
  4. pcd_loc : Location.t;
  5. pcd_attributes : attributes;
}
and constructor_arguments = Parsetree.constructor_arguments =
  1. | Pcstr_tuple of core_type list
  2. | Pcstr_record of label_declaration list
and type_extension = Parsetree.type_extension = {
  1. ptyext_path : Longident.t Asttypes.loc;
  2. ptyext_params : (core_type * Asttypes.variance) list;
  3. ptyext_constructors : extension_constructor list;
  4. ptyext_private : Asttypes.private_flag;
  5. ptyext_loc : Location.t;
  6. ptyext_attributes : attributes;
}
and extension_constructor = Parsetree.extension_constructor = {
  1. pext_name : string Asttypes.loc;
  2. pext_kind : extension_constructor_kind;
  3. pext_loc : Location.t;
  4. pext_attributes : attributes;
}
and type_exception = Parsetree.type_exception = {
  1. ptyexn_constructor : extension_constructor;
  2. ptyexn_loc : Location.t;
  3. ptyexn_attributes : attributes;
}
and extension_constructor_kind = Parsetree.extension_constructor_kind =
  1. | Pext_decl of constructor_arguments * core_type option
  2. | Pext_rebind of Longident.t Asttypes.loc

Class language

and class_type = Parsetree.class_type = {
  1. pcty_desc : class_type_desc;
  2. pcty_loc : Location.t;
  3. pcty_attributes : attributes;
}
and class_type_desc = Parsetree.class_type_desc =
  1. | Pcty_constr of Longident.t Asttypes.loc * core_type list
  2. | Pcty_signature of class_signature
  3. | Pcty_arrow of Asttypes.arg_label * core_type * class_type
  4. | Pcty_extension of extension
  5. | Pcty_open of open_description * class_type
and class_signature = Parsetree.class_signature = {
  1. pcsig_self : core_type;
  2. pcsig_fields : class_type_field list;
}
and class_type_field = Parsetree.class_type_field = {
  1. pctf_desc : class_type_field_desc;
  2. pctf_loc : Location.t;
  3. pctf_attributes : attributes;
}
and class_type_field_desc = Parsetree.class_type_field_desc =
  1. | Pctf_inherit of class_type
  2. | Pctf_val of Asttypes.label Asttypes.loc * Asttypes.mutable_flag * Asttypes.virtual_flag * core_type
  3. | Pctf_method of Asttypes.label Asttypes.loc * Asttypes.private_flag * Asttypes.virtual_flag * core_type
  4. | Pctf_constraint of core_type * core_type
  5. | Pctf_attribute of attribute
  6. | Pctf_extension of extension
and 'a class_infos = 'a Parsetree.class_infos = {
  1. pci_virt : Asttypes.virtual_flag;
  2. pci_params : (core_type * Asttypes.variance) list;
  3. pci_name : string Asttypes.loc;
  4. pci_expr : 'a;
  5. pci_loc : Location.t;
  6. pci_attributes : attributes;
}
and class_description = class_type class_infos
and class_type_declaration = class_type class_infos
and class_expr = Parsetree.class_expr = {
  1. pcl_desc : class_expr_desc;
  2. pcl_loc : Location.t;
  3. pcl_attributes : attributes;
}
and class_expr_desc = Parsetree.class_expr_desc =
  1. | Pcl_constr of Longident.t Asttypes.loc * core_type list
  2. | Pcl_structure of class_structure
  3. | Pcl_fun of Asttypes.arg_label * expression option * pattern * class_expr
  4. | Pcl_apply of class_expr * (Asttypes.arg_label * expression) list
  5. | Pcl_let of Asttypes.rec_flag * value_binding list * class_expr
  6. | Pcl_constraint of class_expr * class_type
  7. | Pcl_extension of extension
  8. | Pcl_open of open_description * class_expr
and class_structure = Parsetree.class_structure = {
  1. pcstr_self : pattern;
  2. pcstr_fields : class_field list;
}
and class_field = Parsetree.class_field = {
  1. pcf_desc : class_field_desc;
  2. pcf_loc : Location.t;
  3. pcf_attributes : attributes;
}
and class_field_desc = Parsetree.class_field_desc =
  1. | Pcf_inherit of Asttypes.override_flag * class_expr * string Asttypes.loc option
  2. | Pcf_val of Asttypes.label Asttypes.loc * Asttypes.mutable_flag * class_field_kind
  3. | Pcf_method of Asttypes.label Asttypes.loc * Asttypes.private_flag * class_field_kind
  4. | Pcf_constraint of core_type * core_type
  5. | Pcf_initializer of expression
  6. | Pcf_attribute of attribute
  7. | Pcf_extension of extension
and class_field_kind = Parsetree.class_field_kind =
  1. | Cfk_virtual of core_type
  2. | Cfk_concrete of Asttypes.override_flag * expression
and class_declaration = class_expr class_infos

Module language

and module_type = Parsetree.module_type = {
  1. pmty_desc : module_type_desc;
  2. pmty_loc : Location.t;
  3. pmty_attributes : attributes;
}
and module_type_desc = Parsetree.module_type_desc =
  1. | Pmty_ident of Longident.t Asttypes.loc
  2. | Pmty_signature of signature
  3. | Pmty_functor of functor_parameter * module_type
  4. | Pmty_with of module_type * with_constraint list
  5. | Pmty_typeof of module_expr
  6. | Pmty_extension of extension
  7. | Pmty_alias of Longident.t Asttypes.loc
and functor_parameter = Parsetree.functor_parameter =
  1. | Unit
  2. | Named of string option Asttypes.loc * module_type
and signature = signature_item list
and signature_item = Parsetree.signature_item = {
  1. psig_desc : signature_item_desc;
  2. psig_loc : Location.t;
}
and signature_item_desc = Parsetree.signature_item_desc =
  1. | Psig_value of value_description
  2. | Psig_type of Asttypes.rec_flag * type_declaration list
  3. | Psig_typesubst of type_declaration list
  4. | Psig_typext of type_extension
  5. | Psig_exception of type_exception
  6. | Psig_module of module_declaration
  7. | Psig_modsubst of module_substitution
  8. | Psig_recmodule of module_declaration list
  9. | Psig_modtype of module_type_declaration
  10. | Psig_open of open_description
  11. | Psig_include of include_description
  12. | Psig_class of class_description list
  13. | Psig_class_type of class_type_declaration list
  14. | Psig_attribute of attribute
  15. | Psig_extension of extension * attributes
and module_declaration = Parsetree.module_declaration = {
  1. pmd_name : string option Asttypes.loc;
  2. pmd_type : module_type;
  3. pmd_attributes : attributes;
  4. pmd_loc : Location.t;
}
and module_substitution = Parsetree.module_substitution = {
  1. pms_name : string Asttypes.loc;
  2. pms_manifest : Longident.t Asttypes.loc;
  3. pms_attributes : attributes;
  4. pms_loc : Location.t;
}
and module_type_declaration = Parsetree.module_type_declaration = {
  1. pmtd_name : string Asttypes.loc;
  2. pmtd_type : module_type option;
  3. pmtd_attributes : attributes;
  4. pmtd_loc : Location.t;
}
and 'a open_infos = 'a Parsetree.open_infos = {
  1. popen_expr : 'a;
  2. popen_override : Asttypes.override_flag;
  3. popen_loc : Location.t;
  4. popen_attributes : attributes;
}
and open_description = Longident.t Asttypes.loc open_infos
and open_declaration = module_expr open_infos
and 'a include_infos = 'a Parsetree.include_infos = {
  1. pincl_mod : 'a;
  2. pincl_loc : Location.t;
  3. pincl_attributes : attributes;
}
and include_description = module_type include_infos
and include_declaration = module_expr include_infos
and module_expr = Parsetree.module_expr = {
  1. pmod_desc : module_expr_desc;
  2. pmod_loc : Location.t;
  3. pmod_attributes : attributes;
}
and module_expr_desc = Parsetree.module_expr_desc =
  1. | Pmod_ident of Longident.t Asttypes.loc
  2. | Pmod_structure of structure
  3. | Pmod_functor of functor_parameter * module_expr
  4. | Pmod_apply of module_expr * module_expr
  5. | Pmod_constraint of module_expr * module_type
  6. | Pmod_unpack of expression
  7. | Pmod_extension of extension
and structure = structure_item list
and structure_item = Parsetree.structure_item = {
  1. pstr_desc : structure_item_desc;
  2. pstr_loc : Location.t;
}
and structure_item_desc = Parsetree.structure_item_desc =
  1. | Pstr_eval of expression * attributes
  2. | Pstr_value of Asttypes.rec_flag * value_binding list
  3. | Pstr_primitive of value_description
  4. | Pstr_type of Asttypes.rec_flag * type_declaration list
  5. | Pstr_typext of type_extension
  6. | Pstr_exception of type_exception
  7. | Pstr_module of module_binding
  8. | Pstr_recmodule of module_binding list
  9. | Pstr_modtype of module_type_declaration
  10. | Pstr_open of open_declaration
  11. | Pstr_class of class_declaration list
  12. | Pstr_class_type of class_type_declaration list
  13. | Pstr_include of include_declaration
  14. | Pstr_attribute of attribute
  15. | Pstr_extension of extension * attributes
and value_binding = Parsetree.value_binding = {
  1. pvb_pat : pattern;
  2. pvb_expr : expression;
  3. pvb_attributes : attributes;
  4. pvb_loc : Location.t;
}
and module_binding = Parsetree.module_binding = {
  1. pmb_name : string option Asttypes.loc;
  2. pmb_expr : module_expr;
  3. pmb_attributes : attributes;
  4. pmb_loc : Location.t;
}

Toplevel

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

Innovation. Community. Security.

GitHub Discord Twitter Peertube RSS
About
Changelog Releases Industrial Users Academic Users Why OCaml
Ecosystem
Packages Community Events OCaml Planet Jobs
Resources
Install OCaml Get Started Platform Tools Language Manual Standard Library API Books Exercises Papers OCaml Playground Logo
Policies
Carbon Footprint Governance Privacy Code of Conduct