ocaml-base-compiler
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package ocaml-base-compiler
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Module type
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Class
Class type

Abstract syntax tree produced by parsing

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

type constant =
  1. | Pconst_integer of string * char option
  2. | Pconst_char of char
  3. | Pconst_string of string * string option
  4. | Pconst_float of string * char option

Extension points

type 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 =
  1. | PStr of structure
  2. | PSig of signature
  3. | PTyp of core_type
  4. | PPat of pattern * expression option

Core language

and core_type = {
  1. ptyp_desc : core_type_desc;
  2. ptyp_loc : Location.t;
  3. ptyp_loc_stack : Location.t list;
  4. ptyp_attributes : attributes;
}
and 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 = {
  1. prf_desc : row_field_desc;
  2. prf_loc : Location.t;
  3. prf_attributes : attributes;
}
and row_field_desc =
  1. | Rtag of Asttypes.label Asttypes.loc * bool * core_type list
  2. | Rinherit of core_type
and object_field = {
  1. pof_desc : object_field_desc;
  2. pof_loc : Location.t;
  3. pof_attributes : attributes;
}
and object_field_desc =
  1. | Otag of Asttypes.label Asttypes.loc * core_type
  2. | Oinherit of core_type
and pattern = {
  1. ppat_desc : pattern_desc;
  2. ppat_loc : Location.t;
  3. ppat_loc_stack : Location.t list;
  4. ppat_attributes : attributes;
}
and 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 Asttypes.loc
  16. | Ppat_exception of pattern
  17. | Ppat_extension of extension
  18. | Ppat_open of Longident.t Asttypes.loc * pattern
and expression = {
  1. pexp_desc : expression_desc;
  2. pexp_loc : Location.t;
  3. pexp_loc_stack : Location.t list;
  4. pexp_attributes : attributes;
}
and 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 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 = {
  1. pc_lhs : pattern;
  2. pc_guard : expression option;
  3. pc_rhs : expression;
}
and letop = {
  1. let_ : binding_op;
  2. ands : binding_op list;
  3. body : expression;
}
and binding_op = {
  1. pbop_op : string Asttypes.loc;
  2. pbop_pat : pattern;
  3. pbop_exp : expression;
  4. pbop_loc : Location.t;
}
and 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 = {
  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 =
  1. | Ptype_abstract
  2. | Ptype_variant of constructor_declaration list
  3. | Ptype_record of label_declaration list
  4. | Ptype_open
and 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 = {
  1. pcd_name : string Asttypes.loc;
  2. pcd_args : constructor_arguments;
  3. pcd_res : core_type option;