%% =====================================================================
%% Header file for EDoc Type Representations
%%
%% Copyright (C) 2001-2005 Richard Carlsson
%%
%% This library is free software; you can redistribute it and/or modify
%% it under the terms of the GNU Lesser General Public License as
%% published by the Free Software Foundation; either version 2 of the
%% License, or (at your option) any later version.
%%
%% This library is distributed in the hope that it will be useful, but
%% WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%% Lesser General Public License for more details.
%%
%% You should have received a copy of the GNU Lesser General Public
%% License along with this library; if not, write to the Free Software
%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
%% USA
%%
%% Author contact: [email protected]
%% =====================================================================
%% Type specification data structures
%% @type t_spec() = #t_spec{name = t_name(),
%% type = t_type(),
%% defs = [t_def()]}
-record(t_spec, {name, type, defs=[]}). % function specification
%% @type type() = t_atom() | t_fun() | t_integer() | t_list() | t_nil()
%% | t_tuple() | t_type() | t_union() | t_var()
%% @type t_typedef() = #t_typedef{name = t_name(),
%% args = [type()],
%% type = type(),
%% defs = [t_def()]}
-record(t_typedef, {name, args, type,
defs=[]}). % type declaration/definition
%% @type t_throws() = #t_throws{type = type(),
%% defs = [t_def()]}
-record(t_throws, {type, defs=[]}). % exception declaration
%% @type t_def() = #t_def{name = t_name(),
%% type = type()}
-record(t_def, {name, type}). % local definition 'name = type'
%% @type t_name() = #t_name{app = [] | atom(),
%% module = [] | atom(),
%% name = [] | atom()}
-record(t_name, {app = [], % app = [] if module = []
module=[], % unqualified if module = []
name=[]}).
%% The following records all have 'a=[]' as their first field.
%% This is used for name and usage annotations; in particular, the
%% fun-argument types of a function specification (t_spec) are often
%% annotated with the names of the corresponding formal parameters,
%% and/or usage summaries.
-define(t_ann(X), element(2, X)).
-define(set_t_ann(X, Y), setelement(2, X, Y)).
-define(add_t_ann(X, Y), ?set_t_ann(X, [Y | ?t_ann(X)])).
%% @type t_var() = #t_var{a = list(), name = [] | atom()}
-record(t_var, {a=[], name=[]}). % type variable
%% @type t_type() = #t_type{a = list(),
%% name = t_name(),
%% args = [type()]}
-record(t_type, {a=[], name, args = []}). % abstract type 'name(...)'
%% @type t_union() = #t_union{a = list(),
%% types = [type()]}
-record(t_union, {a=[], types = []}). % union type 't1|...|tN'
%% @type t_fun() = #t_fun{a = list(),
%% args = [type()],
%% range = type()}
-record(t_fun, {a=[], args, range}). % function '(t1,...,tN) -> range'
%% @type t_tuple() = #t_tuple{a = list(),
%% types = [type()]}
-record(t_tuple, {a=[], types = []}). % tuple type '{t1,...,tN}'
%% @type t_list() = #t_list{a = list(),
%% type = type()}
-record(t_list, {a=[], type}). % list type '[type]'
%% @type t_nil() = #t_nil{a = list()}
-record(t_nil, {a=[]}). % empty-list constant '[]'
%% @type t_atom() = #t_atom{a = list(),
%% val = atom()}
-record(t_atom, {a=[], val}). % atom constant
%% @type t_integer() = #t_integer{a = list(),
%% val = integer()}
-record(t_integer, {a=[], val}). % integer constant
%% @type t_float() = #t_float{a = list(),
%% val = float()}
-record(t_float, {a=[], val}). % floating-point constant
%% @type t_record() = #t_list{a = list(),
%% name = type(),
%% fields = [field()]}
-record(t_record, {a=[], name, fields = []}). % record type '#r{f1,...,fN}'
%% @type t_field() = #t_field{a = list(),
%% name = type(),
%% type = type()}
-record(t_field, {a=[], name, type}). % named field 'n1=t1'
