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218 lines
7.5 KiB
Mathematica
218 lines
7.5 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ft=mercury ts=4 sw=4 et
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%---------------------------------------------------------------------------%
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% Copyright (C) 1995, 1997-1998, 2001, 2004-2006, 2011 The University of Melbourne.
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% Copyright (C) 2015-2016, 2019, 2022 The Mercury team.
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% This file may only be copied under the terms of the GNU General
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% Public License - see the file COPYING in the Mercury distribution.
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%---------------------------------------------------------------------------%
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%
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% File: globals.m.
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% Main author: fjh.
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%
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% This module exports the `globals' type and associated access predicates.
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% The globals type is used to collect together all the various data
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% that would be global variables in an imperative language.
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% This global data is stored in the io state.
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%
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%---------------------------------------------------------------------------%
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:- module globals.
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:- interface.
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:- import_module options.
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:- import_module bool.
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:- import_module getopt.
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:- import_module io.
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:- import_module list.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- type globals.
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:- type what_to_profile
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---> memory_words
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; memory_cells
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; memory_snapshots
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; user_plus_system_time
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; user_time
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; real_time.
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:- pred what_to_profile(string, what_to_profile).
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:- mode what_to_profile(in, out) is semidet.
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:- mode what_to_profile(out, in) is det.
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%---------------------------------------------------------------------------%
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%
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% Access predicates for the `globals' structure.
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%
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:- pred get_what_to_profile(globals::in, what_to_profile::out) is det.
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:- pred get_options(globals::in, option_table::out) is det.
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:- pred set_what_to_profile(what_to_profile::in,
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globals::in, globals::out) is det.
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:- pred set_options(option_table::in, globals::in, globals::out) is det.
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:- pred lookup_option(globals::in, option::in, option_data::out) is det.
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:- pred lookup_bool_option(globals::in, option::in, bool::out) is det.
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:- pred lookup_int_option(globals::in, option::in, int::out) is det.
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:- pred lookup_string_option(globals::in, option::in, string::out) is det.
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:- pred lookup_accumulating_option(globals::in, option::in,
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list(string)::out) is det.
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%---------------------------------------------------------------------------%
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% Access predicates for storing a `globals' structure in the
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% io using io.set_globals and io.get_globals.
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:- pred io_init(option_table::in, io::di, io::uo) is det.
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:- pred io_get_globals(globals::out, io::di, io::uo) is det.
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:- pred io_set_globals(globals::in, io::di, io::uo) is det.
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:- pred io_lookup_option(option::in, option_data::out, io::di, io::uo) is det.
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:- pred io_set_option(option::in, option_data::in, io::di, io::uo) is det.
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:- pred io_lookup_bool_option(option::in, bool::out, io::di, io::uo) is det.
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:- pred io_lookup_int_option(option::in, int::out, io::di, io::uo) is det.
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:- pred io_lookup_string_option(option::in, string::out,
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io::di, io::uo) is det.
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:- pred io_lookup_accumulating_option(option::in, list(string)::out,
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io::di, io::uo) is det.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module map.
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:- import_module require.
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:- import_module string.
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%---------------------------------------------------------------------------%
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what_to_profile("memory-words", memory_words).
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what_to_profile("memory-cells", memory_cells).
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what_to_profile("snapshots", memory_snapshots).
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what_to_profile("user-plus-system-time", user_plus_system_time).
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what_to_profile("user-time", user_time).
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what_to_profile("real-time", real_time).
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:- type globals
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---> globals(
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what_to_profile :: what_to_profile,
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option_table :: option_table
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).
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get_what_to_profile(Globals, Globals ^ what_to_profile).
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get_options(Globals, Globals ^ option_table).
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set_what_to_profile(WhatToProfile, !Globals) :-
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!Globals ^ what_to_profile := WhatToProfile.
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set_options(Options, !Globals) :-
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!Globals ^ option_table := Options.
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lookup_option(Globals, Option, OptionData) :-
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globals.get_options(Globals, OptionTable),
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map.lookup(OptionTable, Option, OptionData).
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%---------------------------------------------------------------------------%
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lookup_bool_option(Globals, Option, Value) :-
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globals.lookup_option(Globals, Option, OptionData),
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( if OptionData = bool(Bool) then
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Value = Bool
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else
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error("globals.lookup_bool_option: invalid bool option")
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).
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lookup_int_option(Globals, Option, Value) :-
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globals.lookup_option(Globals, Option, OptionData),
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( if OptionData = int(Int) then
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Value = Int
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else
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error("globals.lookup_int_option: invalid int option")
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).
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lookup_string_option(Globals, Option, Value) :-
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globals.lookup_option(Globals, Option, OptionData),
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( if OptionData = string(String) then
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Value = String
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else
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error("globals.lookup_string_option: invalid string option")
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).
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lookup_accumulating_option(Globals, Option, Value) :-
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globals.lookup_option(Globals, Option, OptionData),
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( if OptionData = accumulating(Accumulating) then
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Value = Accumulating
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else
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error("globals.lookup_accumulating_option: " ++
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"invalid accumulating option")
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).
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- mutable(profiler_globals, globals, init_profiler_globals, ground,
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[untrailed, attach_to_io_state]).
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:- func init_profiler_globals = globals.
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init_profiler_globals = Globals :-
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Globals = globals(user_plus_system_time, map.init).
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%---------------------------------------------------------------------------%
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io_init(Options, !IO) :-
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Globals = globals(user_plus_system_time, Options),
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set_profiler_globals(Globals, !IO).
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io_get_globals(Globals, !IO) :-
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get_profiler_globals(Globals, !IO).
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io_set_globals(Globals, !IO) :-
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set_profiler_globals(Globals, !IO).
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%---------------------------------------------------------------------------%
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io_lookup_option(Option, OptionData, !IO) :-
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globals.io_get_globals(Globals, !IO),
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globals.get_options(Globals, OptionTable),
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map.lookup(OptionTable, Option, OptionData).
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io_set_option(Option, OptionData, !IO) :-
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globals.io_get_globals(Globals0, !IO),
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globals.get_options(Globals0, OptionTable0),
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map.set(Option, OptionData, OptionTable0, OptionTable),
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globals.set_options(OptionTable, Globals0, Globals),
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globals.io_set_globals(Globals, !IO).
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%---------------------------------------------------------------------------%
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io_lookup_bool_option(Option, Value, !IO) :-
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globals.io_get_globals(Globals, !IO),
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globals.lookup_bool_option(Globals, Option, Value).
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io_lookup_int_option(Option, Value, !IO) :-
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globals.io_get_globals(Globals, !IO),
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globals.lookup_int_option(Globals, Option, Value).
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io_lookup_string_option(Option, Value, !IO) :-
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globals.io_get_globals(Globals, !IO),
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globals.lookup_string_option(Globals, Option, Value).
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io_lookup_accumulating_option(Option, Value, !IO) :-
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globals.io_get_globals(Globals, !IO),
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globals.lookup_accumulating_option(Globals, Option, Value).
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%---------------------------------------------------------------------------%
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:- end_module globals.
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%---------------------------------------------------------------------------%
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