127 lines
4.6 KiB
OCaml
127 lines
4.6 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* Predefined type constructors (with special typing rules in typecore) *)
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open Path
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open Types
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open Btype
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let ident_int = Ident.create "int"
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and ident_char = Ident.create "char"
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and ident_string = Ident.create "string"
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and ident_float = Ident.create "float"
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and ident_bool = Ident.create "bool"
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and ident_unit = Ident.create "unit"
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and ident_exn = Ident.create "exn"
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and ident_array = Ident.create "array"
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and ident_list = Ident.create "list"
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and ident_format = Ident.create "format"
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let path_int = Pident ident_int
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and path_char = Pident ident_char
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and path_string = Pident ident_string
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and path_float = Pident ident_float
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and path_bool = Pident ident_bool
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and path_unit = Pident ident_unit
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and path_exn = Pident ident_exn
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and path_array = Pident ident_array
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and path_list = Pident ident_list
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and path_format = Pident ident_format
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let type_int = newgenty (Tconstr(path_int, [], ref Mnil))
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and type_char = newgenty (Tconstr(path_char, [], ref Mnil))
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and type_string = newgenty (Tconstr(path_string, [], ref Mnil))
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and type_float = newgenty (Tconstr(path_float, [], ref Mnil))
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and type_bool = newgenty (Tconstr(path_bool, [], ref Mnil))
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and type_unit = newgenty (Tconstr(path_unit, [], ref Mnil))
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and type_exn = newgenty (Tconstr(path_exn, [], ref Mnil))
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and type_array t = newgenty (Tconstr(path_array, [t], ref Mnil))
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and type_list t = newgenty (Tconstr(path_list, [t], ref Mnil))
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let ident_match_failure = Ident.create "Match_failure"
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and ident_out_of_memory = Ident.create "Out_of_memory"
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and ident_invalid_argument = Ident.create "Invalid_argument"
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and ident_failure = Ident.create "Failure"
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and ident_not_found = Ident.create "Not_found"
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and ident_sys_error = Ident.create "Sys_error"
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and ident_end_of_file = Ident.create "End_of_file"
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and ident_division_by_zero = Ident.create "Division_by_zero"
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let path_match_failure = Pident ident_match_failure
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let build_initial_env add_type add_exception empty_env =
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let decl_abstr =
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{type_params = [];
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type_arity = 0;
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type_kind = Type_abstract;
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type_manifest = None}
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and decl_bool =
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{type_params = [];
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type_arity = 0;
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type_kind = Type_variant["false",[]; "true",[]];
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type_manifest = None}
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and decl_unit =
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{type_params = [];
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type_arity = 0;
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type_kind = Type_variant["()",[]];
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type_manifest = None}
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and decl_exn =
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{type_params = [];
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type_arity = 0;
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type_kind = Type_variant [];
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type_manifest = None}
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and decl_array =
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let tvar = newgenvar() in
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{type_params = [tvar];
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type_arity = 1;
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type_kind = Type_abstract;
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type_manifest = None}
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and decl_list =
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let tvar = newgenvar() in
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{type_params = [tvar];
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type_arity = 1;
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type_kind = Type_variant["[]", []; "::", [tvar; type_list tvar]];
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type_manifest = None}
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and decl_format =
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{type_params = [newgenvar(); newgenvar(); newgenvar()];
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type_arity = 3;
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type_kind = Type_abstract;
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type_manifest = None} in
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add_exception ident_match_failure [newgenty (Ttuple[type_string; type_int; type_int])] (
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add_exception ident_out_of_memory [] (
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add_exception ident_invalid_argument [type_string] (
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add_exception ident_failure [type_string] (
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add_exception ident_not_found [] (
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add_exception ident_sys_error [type_string] (
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add_exception ident_end_of_file [] (
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add_exception ident_division_by_zero [] (
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add_type ident_format decl_format (
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add_type ident_list decl_list (
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add_type ident_array decl_array (
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add_type ident_exn decl_exn (
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add_type ident_unit decl_unit (
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add_type ident_bool decl_bool (
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add_type ident_float decl_abstr (
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add_type ident_string decl_abstr (
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add_type ident_char decl_abstr (
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add_type ident_int decl_abstr (
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empty_env))))))))))))))))))
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let builtin_values =
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List.map (fun id -> Ident.make_global id; (Ident.name id, id))
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[ident_match_failure; ident_out_of_memory; ident_invalid_argument;
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ident_failure; ident_not_found; ident_sys_error; ident_end_of_file;
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ident_division_by_zero]
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