package merlin-lib
Merlin's libraries
Install
Dune Dependency
Authors
Maintainers
Sources
merlin-5.5-503.tbz
sha256=67da3b34f2fea07678267309f61da4a2c6f08298de0dc59655b8d30fd8269af1
sha512=1fb3b5180d36aa82b82a319e15b743b802b6888f0dc67645baafdb4e18dfc23a7b90064ec9bc42f7424061cf8cde7f8839178d8a8537bf4596759f3ff4891873
doc/src/merlin-lib.ocaml_typing/typedtree.ml.html
Source file typedtree.ml
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(**************************************************************************) (* *) (* OCaml *) (* *) (* Xavier Leroy, projet Cristal, INRIA Rocquencourt *) (* *) (* Copyright 1996 Institut National de Recherche en Informatique et *) (* en Automatique. *) (* *) (* All rights reserved. This file is distributed under the terms of *) (* the GNU Lesser General Public License version 2.1, with the *) (* special exception on linking described in the file LICENSE. *) (* *) (**************************************************************************) (* Abstract syntax tree after typing *) open Asttypes open Types module Uid = Shape.Uid (* Value expressions for the core language *) type partial = Partial | Total type attribute = Parsetree.attribute type attributes = attribute list type value = Value_pattern type computation = Computation_pattern type _ pattern_category = | Value : value pattern_category | Computation : computation pattern_category type pattern = value general_pattern and 'k general_pattern = 'k pattern_desc pattern_data and 'a pattern_data = { pat_desc: 'a; pat_loc: Location.t; pat_extra : (pat_extra * Location.t * attribute list) list; pat_type: type_expr; pat_env: Env.t; pat_attributes: attribute list; } and pat_extra = | Tpat_constraint of core_type | Tpat_type of Path.t * Longident.t loc | Tpat_open of Path.t * Longident.t loc * Env.t | Tpat_unpack and 'k pattern_desc = (* value patterns *) | Tpat_any : value pattern_desc | Tpat_var : Ident.t * string loc * Uid.t -> value pattern_desc | Tpat_alias : value general_pattern * Ident.t * string loc * Uid.t -> value pattern_desc | Tpat_constant : constant -> value pattern_desc | Tpat_tuple : value general_pattern list -> value pattern_desc | Tpat_construct : Longident.t loc * constructor_description * value general_pattern list * (Ident.t loc list * core_type) option -> value pattern_desc | Tpat_variant : label * value general_pattern option * row_desc ref -> value pattern_desc | Tpat_record : (Longident.t loc * label_description * value general_pattern) list * closed_flag -> value pattern_desc | Tpat_array : value general_pattern list -> value pattern_desc | Tpat_lazy : value general_pattern -> value pattern_desc (* computation patterns *) | Tpat_value : tpat_value_argument -> computation pattern_desc | Tpat_exception : value general_pattern -> computation pattern_desc (* generic constructions *) | Tpat_or : 'k general_pattern * 'k general_pattern * row_desc option -> 'k pattern_desc and tpat_value_argument = value general_pattern and expression = { exp_desc: expression_desc; exp_loc: Location.t; exp_extra: (exp_extra * Location.t * attribute list) list; exp_type: type_expr; exp_env: Env.t; exp_attributes: attribute list; } and exp_extra = | Texp_constraint of core_type | Texp_coerce of core_type option * core_type | Texp_poly of core_type option | Texp_newtype of string | Texp_newtype' of Ident.t * label loc * Uid.t and expression_desc = Texp_ident of Path.t * Longident.t loc * Types.value_description | Texp_constant of constant | Texp_let of rec_flag * value_binding list * expression | Texp_function of function_param list * function_body | Texp_apply of expression * (arg_label * expression option) list | Texp_match of expression * computation case list * value case list * partial | Texp_try of expression * value case list * value case list | Texp_tuple of expression list | Texp_construct of Longident.t loc * constructor_description * expression list | Texp_variant of label * expression option | Texp_record of { fields : ( Types.label_description * record_label_definition ) array; representation : Types.record_representation; extended_expression : expression option; } | Texp_field of expression * Longident.t loc * label_description | Texp_setfield of expression * Longident.t loc * label_description * expression | Texp_array of expression list | Texp_ifthenelse of expression * expression * expression option | Texp_sequence of expression * expression | Texp_while of expression * expression | Texp_for of Ident.t * Parsetree.pattern * expression * expression * direction_flag * expression | Texp_send of expression * meth | Texp_new of Path.t * Longident.t loc * Types.class_declaration | Texp_instvar of Path.t * Path.t * string loc | Texp_setinstvar of Path.t * Path.t * string loc * expression | Texp_override of Path.t * (Ident.t * string loc * expression) list | Texp_letmodule of Ident.t option * string option loc * Types.module_presence * module_expr * expression | Texp_letexception of extension_constructor * expression | Texp_assert of expression * Location.t | Texp_lazy of expression | Texp_object of class_structure * string list | Texp_pack of module_expr | Texp_letop of { let_ : binding_op; ands : binding_op list; param : Ident.t; body : value case; partial : partial; } | Texp_unreachable | Texp_extension_constructor of Longident.t loc * Path.t | Texp_open of open_declaration * expression | Texp_typed_hole and meth = | Tmeth_name of string | Tmeth_val of Ident.t | Tmeth_ancestor of Ident.t * Path.t and 'k case = { c_lhs: 'k general_pattern; c_cont: (Ident.t * Types.value_description) option; c_guard: expression option; c_rhs: expression; } and function_param = { fp_arg_label: arg_label; fp_param: Ident.t; fp_partial: partial; fp_kind: function_param_kind; fp_newtypes: string loc list; fp_loc : Location.t; } and function_param_kind = | Tparam_pat of pattern | Tparam_optional_default of pattern * expression and function_body = | Tfunction_body of expression | Tfunction_cases of { cases: value case list; partial: partial; param: Ident.t; loc: Location.t; exp_extra: exp_extra option; attributes: attributes; } and record_label_definition = | Kept of Types.type_expr * mutable_flag | Overridden of Longident.t loc * expression and binding_op = { bop_op_path : Path.t; bop_op_name : string loc; bop_op_val : Types.value_description; bop_op_type : Types.type_expr; bop_exp : expression; bop_loc : Location.t; } (* Value expressions for the class language *) and class_expr = { cl_desc: class_expr_desc; cl_loc: Location.t; cl_type: Types.class_type; cl_env: Env.t; cl_attributes: attribute list; } and class_expr_desc = Tcl_ident of Path.t * Longident.t loc * core_type list | Tcl_structure of class_structure | Tcl_fun of arg_label * pattern * (Ident.t * expression) list * class_expr * partial | Tcl_apply of class_expr * (arg_label * expression option) list | Tcl_let of rec_flag * value_binding list * (Ident.t * expression) list * class_expr | Tcl_constraint of class_expr * class_type option * string list * string list * MethSet.t (* Visible instance variables, methods and concrete methods *) | Tcl_open of open_description * class_expr and class_structure = { cstr_self: pattern; cstr_fields: class_field list; cstr_type: Types.class_signature; cstr_meths: Ident.t Meths.t; } and class_field = { cf_desc: class_field_desc; cf_loc: Location.t; cf_attributes: attribute list; } and class_field_kind = | Tcfk_virtual of core_type | Tcfk_concrete of override_flag * expression and class_field_desc = Tcf_inherit of override_flag * class_expr * string option * (string * Ident.t) list * (string * Ident.t) list (* Inherited instance variables and concrete methods *) | Tcf_val of string loc * mutable_flag * Ident.t * class_field_kind * bool | Tcf_method of string loc * private_flag * class_field_kind | Tcf_constraint of core_type * core_type | Tcf_initializer of expression | Tcf_attribute of attribute (* Value expressions for the module language *) and module_expr = { mod_desc: module_expr_desc; mod_loc: Location.t; mod_type: Types.module_type; mod_env: Env.t; mod_attributes: attribute list; } and module_type_constraint = Tmodtype_implicit | Tmodtype_explicit of module_type and functor_parameter = | Unit | Named of Ident.t option * string option loc * module_type and module_expr_desc = Tmod_ident of Path.t * Longident.t loc | Tmod_structure of structure | Tmod_functor of functor_parameter * module_expr | Tmod_apply of module_expr * module_expr * module_coercion | Tmod_apply_unit of module_expr | Tmod_constraint of module_expr * Types.module_type * module_type_constraint * module_coercion | Tmod_unpack of expression * Types.module_type | Tmod_typed_hole and structure = { str_items : structure_item list; str_type : Types.signature; str_final_env : Env.t; } and structure_item = { str_desc : structure_item_desc; str_loc : Location.t; str_env : Env.t } and structure_item_desc = Tstr_eval of expression * attributes | Tstr_value of rec_flag * value_binding list | Tstr_primitive of value_description | Tstr_type of rec_flag * type_declaration list | Tstr_typext of type_extension | Tstr_exception of type_exception | Tstr_module of module_binding | Tstr_recmodule of module_binding list | Tstr_modtype of module_type_declaration | Tstr_open of open_declaration | Tstr_class of (class_declaration * string list) list | Tstr_class_type of (Ident.t * string loc * class_type_declaration) list | Tstr_include of include_declaration | Tstr_attribute of attribute and module_binding = { mb_id: Ident.t option; mb_name: string option loc; mb_uid: Uid.t; mb_presence: module_presence; mb_expr: module_expr; mb_attributes: attribute list; mb_loc: Location.t; } and value_binding = { vb_pat: pattern; vb_expr: expression; vb_rec_kind: Value_rec_types.recursive_binding_kind; vb_attributes: attributes; vb_loc: Location.t; } and module_coercion = Tcoerce_none | Tcoerce_structure of (int * module_coercion) list * (Ident.t * int * module_coercion) list | Tcoerce_functor of module_coercion * module_coercion | Tcoerce_primitive of primitive_coercion | Tcoerce_alias of Env.t * Path.t * module_coercion and module_type = { mty_desc: module_type_desc; mty_type : Types.module_type; mty_env : Env.t; mty_loc: Location.t; mty_attributes: attribute list; } and module_type_desc = Tmty_ident of Path.t * Longident.t loc | Tmty_signature of signature | Tmty_functor of functor_parameter * module_type | Tmty_with of module_type * (Path.t * Longident.t loc * with_constraint) list | Tmty_typeof of module_expr | Tmty_alias of Path.t * Longident.t loc (* Keep primitive type information for type-based lambda-code specialization *) and primitive_coercion = { pc_desc: Primitive.description; pc_type: type_expr; pc_env: Env.t; pc_loc : Location.t; } and signature = { sig_items : signature_item list; sig_type : Types.signature; sig_final_env : Env.t; } and signature_item = { sig_desc: signature_item_desc; sig_env : Env.t; (* BINANNOT ADDED *) sig_loc: Location.t } and signature_item_desc = Tsig_value of value_description | Tsig_type of rec_flag * type_declaration list | Tsig_typesubst of type_declaration list | Tsig_typext of type_extension | Tsig_exception of type_exception | Tsig_module of module_declaration | Tsig_modsubst of module_substitution | Tsig_recmodule of module_declaration list | Tsig_modtype of module_type_declaration | Tsig_modtypesubst of module_type_declaration | Tsig_open of open_description | Tsig_include of include_description | Tsig_class of class_description list | Tsig_class_type of class_type_declaration list | Tsig_attribute of attribute and module_declaration = { md_id: Ident.t option; md_name: string option loc; md_uid: Uid.t; md_presence: module_presence; md_type: module_type; md_attributes: attribute list; md_loc: Location.t; } and module_substitution = { ms_id: Ident.t; ms_name: string loc; ms_uid: Uid.t; ms_manifest: Path.t; ms_txt: Longident.t loc; ms_attributes: attributes; ms_loc: Location.t; } and module_type_declaration = { mtd_id: Ident.t; mtd_name: string loc; mtd_uid: Uid.t; mtd_type: module_type option; mtd_attributes: attribute list; mtd_loc: Location.t; } and 'a open_infos = { open_expr: 'a; open_bound_items: Types.signature; open_override: override_flag; open_env: Env.t; open_loc: Location.t; open_attributes: attribute list; } and open_description = (Path.t * Longident.t loc) open_infos and open_declaration = module_expr open_infos and 'a include_infos = { incl_mod: 'a; incl_type: Types.signature; incl_loc: Location.t; incl_attributes: attribute list; } and include_description = module_type include_infos and include_declaration = module_expr include_infos and with_constraint = Twith_type of type_declaration | Twith_module of Path.t * Longident.t loc | Twith_modtype of module_type | Twith_typesubst of type_declaration | Twith_modsubst of Path.t * Longident.t loc | Twith_modtypesubst of module_type and core_type = (* mutable because of [Typeclass.declare_method] *) { mutable ctyp_desc : core_type_desc; mutable ctyp_type : type_expr; ctyp_env : Env.t; (* BINANNOT ADDED *) ctyp_loc : Location.t; ctyp_attributes: attribute list; } and core_type_desc = Ttyp_any | Ttyp_var of string | Ttyp_arrow of arg_label * core_type * core_type | Ttyp_tuple of core_type list | Ttyp_constr of Path.t * Longident.t loc * core_type list | Ttyp_object of object_field list * closed_flag | Ttyp_class of Path.t * Longident.t loc * core_type list | Ttyp_alias of core_type * string loc | Ttyp_variant of row_field list * closed_flag * label list option | Ttyp_poly of string list * core_type | Ttyp_package of package_type | Ttyp_open of Path.t * Longident.t loc * core_type and package_type = { pack_path : Path.t; pack_fields : (Longident.t loc * core_type) list; pack_type : Types.module_type; pack_txt : Longident.t loc; } and row_field = { rf_desc : row_field_desc; rf_loc : Location.t; rf_attributes : attributes; } and row_field_desc = Ttag of string loc * bool * core_type list | Tinherit of core_type and object_field = { of_desc : object_field_desc; of_loc : Location.t; of_attributes : attributes; } and object_field_desc = | OTtag of string loc * core_type | OTinherit of core_type and value_description = { val_id: Ident.t; val_name: string loc; val_desc: core_type; val_val: Types.value_description; val_prim: string list; val_loc: Location.t; val_attributes: attribute list; } and type_declaration = { typ_id: Ident.t; typ_name: string loc; typ_params: (core_type * (variance * injectivity)) list; typ_type: Types.type_declaration; typ_cstrs: (core_type * core_type * Location.t) list; typ_kind: type_kind; typ_private: private_flag; typ_manifest: core_type option; typ_loc: Location.t; typ_attributes: attribute list; } and type_kind = Ttype_abstract | Ttype_variant of constructor_declaration list | Ttype_record of label_declaration list | Ttype_open and label_declaration = { ld_id: Ident.t; ld_name: string loc; ld_uid: Uid.t; ld_mutable: mutable_flag; ld_type: core_type; ld_loc: Location.t; ld_attributes: attribute list; } and constructor_declaration = { cd_id: Ident.t; cd_name: string loc; cd_uid: Uid.t; cd_vars: string loc list; cd_args: constructor_arguments; cd_res: core_type option; cd_loc: Location.t; cd_attributes: attribute list; } and constructor_arguments = | Cstr_tuple of core_type list | Cstr_record of label_declaration list and type_extension = { tyext_path: Path.t; tyext_txt: Longident.t loc; tyext_params: (core_type * (variance * injectivity)) list; tyext_constructors: extension_constructor list; tyext_private: private_flag; tyext_loc: Location.t; tyext_attributes: attribute list; } and type_exception = { tyexn_constructor: extension_constructor; tyexn_loc: Location.t; tyexn_attributes: attribute list; } and extension_constructor = { ext_id: Ident.t; ext_name: string loc; ext_type: Types.extension_constructor; ext_kind: extension_constructor_kind; ext_loc: Location.t; ext_attributes: attribute list; } and extension_constructor_kind = Text_decl of string loc list * constructor_arguments * core_type option | Text_rebind of Path.t * Longident.t loc and class_type = { cltyp_desc: class_type_desc; cltyp_type: Types.class_type; cltyp_env: Env.t; cltyp_loc: Location.t; cltyp_attributes: attribute list; } and class_type_desc = Tcty_constr of Path.t * Longident.t loc * core_type list | Tcty_signature of class_signature | Tcty_arrow of arg_label * core_type * class_type | Tcty_open of open_description * class_type and class_signature = { csig_self: core_type; csig_fields: class_type_field list; csig_type: Types.class_signature; } and class_type_field = { ctf_desc: class_type_field_desc; ctf_loc: Location.t; ctf_attributes: attribute list; } and class_type_field_desc = | Tctf_inherit of class_type | Tctf_val of (string * mutable_flag * virtual_flag * core_type) | Tctf_method of (string * private_flag * virtual_flag * core_type) | Tctf_constraint of (core_type * core_type) | Tctf_attribute of attribute and class_declaration = class_expr class_infos and class_description = class_type class_infos and class_type_declaration = class_type class_infos and 'a class_infos = { ci_virt: virtual_flag; ci_params: (core_type * (variance * injectivity)) list; ci_id_name: string loc; ci_id_class: Ident.t; ci_id_class_type: Ident.t; ci_id_object: Ident.t; ci_expr: 'a; ci_decl: Types.class_declaration; ci_type_decl: Types.class_type_declaration; ci_loc: Location.t; ci_attributes: attribute list; } type implementation = { structure: structure; coercion: module_coercion; signature: Types.signature; shape: Shape.t; } type item_declaration = | Value of value_description | Value_binding of value_binding | Type of type_declaration | Constructor of constructor_declaration | Extension_constructor of extension_constructor | Label of label_declaration | Module of module_declaration | Module_substitution of module_substitution | Module_binding of module_binding | Module_type of module_type_declaration | Class of class_declaration | Class_type of class_type_declaration (* Auxiliary functions over the a.s.t. *) let as_computation_pattern (p : pattern) : computation general_pattern = { pat_desc = Tpat_value p; pat_loc = p.pat_loc; pat_extra = []; pat_type = p.pat_type; pat_env = p.pat_env; pat_attributes = []; } let rec classify_pattern_desc : type k . k pattern_desc -> k pattern_category = function | Tpat_alias _ -> Value | Tpat_tuple _ -> Value | Tpat_construct _ -> Value | Tpat_variant _ -> Value | Tpat_record _ -> Value | Tpat_array _ -> Value | Tpat_lazy _ -> Value | Tpat_any -> Value | Tpat_var _ -> Value | Tpat_constant _ -> Value | Tpat_value _ -> Computation | Tpat_exception _ -> Computation | Tpat_or(p1, p2, _) -> begin match classify_pattern p1, classify_pattern p2 with | Value, Value -> Value | Computation, Computation -> Computation end and classify_pattern : type k . k general_pattern -> k pattern_category = fun pat -> classify_pattern_desc pat.pat_desc type pattern_action = { f : 'k . 'k general_pattern -> unit } let shallow_iter_pattern_desc : type k . pattern_action -> k pattern_desc -> unit = fun f -> function | Tpat_alias(p, _, _, _) -> f.f p | Tpat_tuple patl -> List.iter f.f patl | Tpat_construct(_, _, patl, _) -> List.iter f.f patl | Tpat_variant(_, pat, _) -> Option.iter f.f pat | Tpat_record (lbl_pat_list, _) -> List.iter (fun (_, _, pat) -> f.f pat) lbl_pat_list | Tpat_array patl -> List.iter f.f patl | Tpat_lazy p -> f.f p | Tpat_any | Tpat_var _ | Tpat_constant _ -> () | Tpat_value p -> f.f p | Tpat_exception p -> f.f p | Tpat_or(p1, p2, _) -> f.f p1; f.f p2 type pattern_transformation = { f : 'k . 'k general_pattern -> 'k general_pattern } let shallow_map_pattern_desc : type k . pattern_transformation -> k pattern_desc -> k pattern_desc = fun f d -> match d with | Tpat_alias (p1, id, s, uid) -> Tpat_alias (f.f p1, id, s, uid) | Tpat_tuple pats -> Tpat_tuple (List.map f.f pats) | Tpat_record (lpats, closed) -> Tpat_record (List.map (fun (lid, l,p) -> lid, l, f.f p) lpats, closed) | Tpat_construct (lid, c, pats, ty) -> Tpat_construct (lid, c, List.map f.f pats, ty) | Tpat_array pats -> Tpat_array (List.map f.f pats) | Tpat_lazy p1 -> Tpat_lazy (f.f p1) | Tpat_variant (x1, Some p1, x2) -> Tpat_variant (x1, Some (f.f p1), x2) | Tpat_var _ | Tpat_constant _ | Tpat_any | Tpat_variant (_,None,_) -> d | Tpat_value p -> Tpat_value (f.f p) | Tpat_exception p -> Tpat_exception (f.f p) | Tpat_or (p1,p2,path) -> Tpat_or (f.f p1, f.f p2, path) let rec iter_general_pattern : type k . pattern_action -> k general_pattern -> unit = fun f p -> f.f p; shallow_iter_pattern_desc { f = fun p -> iter_general_pattern f p } p.pat_desc let iter_pattern (f : pattern -> unit) = iter_general_pattern { f = fun (type k) (p : k general_pattern) -> match classify_pattern p with | Value -> f p | Computation -> () } type pattern_predicate = { f : 'k . 'k general_pattern -> bool } let exists_general_pattern (f : pattern_predicate) p = let exception Found in match iter_general_pattern { f = fun p -> if f.f p then raise Found else () } p with | exception Found -> true | () -> false let exists_pattern (f : pattern -> bool) = exists_general_pattern { f = fun (type k) (p : k general_pattern) -> match classify_pattern p with | Value -> f p | Computation -> false } (* List the identifiers bound by a pattern or a let *) let rec iter_bound_idents : type k . _ -> k general_pattern -> _ = fun f pat -> match pat.pat_desc with | Tpat_var (id, s, uid) -> f (id,s,pat.pat_type, uid) | Tpat_alias(p, id, s, uid) -> iter_bound_idents f p; f (id,s,pat.pat_type, uid) | Tpat_or(p1, _, _) -> (* Invariant : both arguments bind the same variables *) iter_bound_idents f p1 | d -> shallow_iter_pattern_desc { f = fun p -> iter_bound_idents f p } d let rev_pat_bound_idents_full pat = let idents_full = ref [] in let add id_full = idents_full := id_full :: !idents_full in iter_bound_idents add pat; !idents_full let rev_only_idents idents_full = List.rev_map (fun (id,_,_,_) -> id) idents_full let pat_bound_idents_full pat = List.rev (rev_pat_bound_idents_full pat) let pat_bound_idents pat = rev_only_idents (rev_pat_bound_idents_full pat) let rev_let_bound_idents_full bindings = let idents_full = ref [] in let add id_full = idents_full := id_full :: !idents_full in List.iter (fun vb -> iter_bound_idents add vb.vb_pat) bindings; !idents_full let let_bound_idents_full bindings = List.rev (rev_let_bound_idents_full bindings) let let_bound_idents pat = rev_only_idents (rev_let_bound_idents_full pat) let alpha_var env id = List.assoc id env let rec alpha_pat : type k . _ -> k general_pattern -> k general_pattern = fun env p -> match p.pat_desc with | Tpat_var (id, s, uid) -> (* note the ``Not_found'' case *) {p with pat_desc = try Tpat_var (alpha_var env id, s, uid) with | Not_found -> Tpat_any} | Tpat_alias (p1, id, s, uid) -> let new_p : k general_pattern = alpha_pat env p1 in begin try {p with pat_desc = Tpat_alias (new_p, alpha_var env id, s, uid)} with | Not_found -> new_p end | d -> let pat_desc = shallow_map_pattern_desc { f = fun p -> alpha_pat env p } d in {p with pat_desc} let mkloc = Location.mkloc let mknoloc = Location.mknoloc let split_pattern pat = let combine_opts merge p1 p2 = match p1, p2 with | None, None -> None | Some p, None | None, Some p -> Some p | Some p1, Some p2 -> Some (merge p1 p2) in let into pat p1 p2 = (* The third parameter of [Tpat_or] is [Some _] only for "#typ" patterns, which we do *not* expand. Hence we can put [None] here. *) { pat with pat_desc = Tpat_or (p1, p2, None) } in let rec split_pattern cpat = match cpat.pat_desc with | Tpat_value p -> Some p, None | Tpat_exception p -> None, Some p | Tpat_or (cp1, cp2, _) -> let vals1, exns1 = split_pattern cp1 in let vals2, exns2 = split_pattern cp2 in combine_opts (into cpat) vals1 vals2, (* We could change the pattern type for exception patterns to [Predef.exn], but it doesn't really matter. *) combine_opts (into cpat) exns1 exns2 in split_pattern pat (* Expressions are considered nominal if they can be used as the subject of a sentence or action. In practice, we consider that an expression is nominal if they satisfy one of: - Similar to an identifier: words separated by '.' or '#'. - Do not contain spaces when printed. *) let rec exp_is_nominal exp = match exp.exp_desc with | _ when exp.exp_attributes <> [] -> false | Texp_ident _ | Texp_instvar _ | Texp_constant _ | Texp_variant (_, None) | Texp_construct (_, _, []) -> true | Texp_field (parent, _, _) | Texp_send (parent, _) -> exp_is_nominal parent | _ -> false (* Merlin specific *) let unpack_functor_me me = match me.mod_desc with | Tmod_functor (fp, mty) -> fp, mty | _ -> invalid_arg "Typedtree.unpack_functor_me (merlin)" let unpack_functor_mty mty = match mty.mty_desc with | Tmty_functor (fp, mty) -> fp, mty | _ -> invalid_arg "Typedtree.unpack_functor_mty (merlin)"
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