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/*
ToolBus -- The ToolBus Application Architecture
Copyright (C) 1998-2000 Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PROCS_H__
#define __PROCS_H__
typedef enum pkind
{
/* types */
type_bool = 0,
type_int,
type_real,
type_str,
type_bstr,
type_list,
type_term,
/* undefined */
sym_undefined,
/* system module */
system_module,
/* atomic functions */
a_delta, a_tau,
a_snd_msg, a_rec_msg,
a_snd_note, a_rec_note, a_no_note, a_subscribe, a_unsubscribe,
a_snd_eval, a_rec_value, a_snd_cancel, a_snd_do,
a_rec_event, a_snd_ack_event,
a_create,
a_rec_connect,
a_rec_disconnect,
a_snd_execute_to_tool, a_snd_terminate,
a_shutdown,
a_assign,
a_endlet,
a_printf,
a_read,
a_rec_attach_monitor, a_rec_detach_monitor,
a_snd_monitor,
a_rec_continue,
/* atoms generated by tools: */
a_snd_connect, /* should be first */
a_snd_value, a_snd_void,
a_snd_event,
a_snd_continue, a_snd_attach_monitor, a_snd_detach_monitor,
a_snd_reconfigure,
a_snd_disconnect, /* should be last */
/* atoms received by tools: */
a_rec_eval, a_rec_cancel, a_rec_do, a_rec_ack_event, a_rec_terminate,
a_rec_monitor,
/* process operators */
p_plus, /* should be first */
p_dot, p_star, p_call, p_semi,
p_fmerge, p_lmerge,
p_if,
p_let,
p_execute,
p_timer, p_delay, p_abs_delay, p_timeout, p_abs_timeout,
p_no_delay, p_no_timeout,
/* process definitions and representations */
s_proc_def, /* should be first */
s_proc_inst,
s_tool_inst,
mon_logger,
mon_viewer,
mon_controller,
/* symbols in expressions */
e_is_bool, /* should be first */
e_is_int, e_is_real, e_is_str, e_is_bstr, e_is_appl, e_is_list,
e_is_empty, e_is_var, e_is_result_var, e_is_formal,
e_fun, e_args,
e_true, e_false,
e_not, e_and, e_or, e_equal, e_not_equal,
e_add, e_sub, e_mul, e_div, e_mod, e_abs,
e_less, e_less_equal, e_greater, e_greater_equal,
e_radd, e_rsub, e_rmul, e_rdiv,
e_rless, e_rless_equal, e_rgreater, e_rgreater_equal,
e_sin, e_cos, e_atan, e_atan2, e_exp, e_log, e_log10,
e_sqrt, e_rabs,
e_size, e_index, e_replace,
e_get, e_put, e_first, e_next,
e_member, e_subset,
e_diff, e_inter, e_join, e_functions,
e_process_id, e_process_name, e_quote,
e_current_time, e_sec,
e_msec /* should be last */
} pkind;
/* ----------------- coords ---------------------------------- */
typedef term_list coords;
#define mk_coords(src, lino, pos, elino, epos) \
mk_list5(src, mk_int(lino), mk_int(pos), mk_int(elino), mk_int(epos))
#define co_src(c) elm1(c)
#define co_lino(c) elm2(c)
#define co_pos(c) elm3(c)
#define co_elino(c) elm4(c)
#define co_epos(c) elm5(c)
#define is_coords(c) (!c || (is_list(c) && (list_length(c) == 5)))
/* ------------------ atoms ------------------------------------ */
typedef term atom;
#define mk_atom(af,args,c) mk_appl4(af, args, NULL, c, NULL)
#define at_fun(a) fun_sym(a)
#define at_args(a) elm1(fun_args(a))
#define at_conds(a) elm2(fun_args(a))
#define at_coords(a) elm3(fun_args(a))
#define at_env(a) elm4(fun_args(a))
#define mk_conds(abs_delay,abs_timeout,test)\
mk_list3(mk_int(abs_delay), mk_int(abs_timeout), test)
#define conds_abs_delay(cds) int_val(elm1(cds))
#define conds_abs_timeout(cds) int_val(elm2(cds))
#define conds_test(cds) elm3(cds)
#define is_at_sym(af) (af < p_plus)
#define is_atom(a) ((a) && is_appl(a) && is_at_sym(fun_sym(a)))
#define is_to_tool_atom(a) ((a) && ((fun_sym(a) == a_rec_eval) ||\
(fun_sym(a) == a_rec_cancel) ||\
(fun_sym(a) == a_rec_do) ||\
(fun_sym(a) == a_rec_ack_event) ||\
(fun_sym(a) == a_rec_terminate) ||\
(fun_sym(a) == a_rec_monitor)))
#define is_from_tool_atom(a) ((a) && ((fun_sym(a) == a_snd_value) ||\
(fun_sym(a) == a_snd_event) ||\
(fun_sym(a) == a_snd_connect) ||\
(fun_sym(a) == a_snd_disconnect) ||\
(fun_sym(a) == a_snd_continue)))
#define is_legal_from_tool(ft) ((ft >= a_snd_connect) && (ft <= a_snd_disconnect))
TBbool communicate(sym_idx, sym_idx);
sym_idx reverse_role(sym_idx);
/* ------------------- procs --------------------------------- */
typedef term proc;
proc *mk_create(char *, term_list *, var *, coords *);
proc *mk_proc_call(char *, term *);
#define mk_dot(p1,p2) (is_delta(p1) ? p1 : mk_appl2(p_dot,p1,p2))
#define mk_semi(p1,p2) mk_appl2(p_semi,p1,p2)
#define mk_plus(p1,p2) (is_delta(p1) ? p2 : \
(is_delta(p2) ? p1 : \
mk_appl2(p_plus,p1,p2)))
#define mk_star(p1,p2) mk_appl2(p_star,p1,p2)
#define mk_fmerge(p1,p2) (term_equal(p1, p2) ? p1 : mk_appl2(p_fmerge,p1,p2))
#define mk_lmerge(p1,p2) mk_appl2(p_lmerge,p1,p2)
#define mk_if(tst,th,el) mk_appl3(p_if, tst, th, el)
#define if_test(p) elm1(fun_args(p))
#define if_then(p) elm2(fun_args(p))
#define if_else(p) elm3(fun_args(p))
#define mk_let(vars,p) mk_appl3(p_let,vars,p,NULL)
#define let_vars(p) elm1(fun_args(p))
#define let_body(p) elm2(fun_args(p))
#define let_env(p) elm3(fun_args(p))
#define mk_execute(t,mv,c)\
mk_appl3(p_execute, t, mv, c)
#define is_proc(p) ((p) && is_appl(p) && (fun_sym(p) < s_proc_def))
#define pkind(p) fun_sym(p)
#define is_delta(p) ((p) && is_appl(p) && fun_sym(p) == a_delta)
#define is_tau(p) ((p) && is_appl(p) && fun_sym(p) == a_tau)
#define is_semi(p) ((p) && is_appl(p) && (fun_sym(p) == p_semi))
#define is_dot(p) ((p) && is_appl(p) && (fun_sym(p) == p_dot))
#define is_star(p) ((p) && is_appl(p) && (fun_sym(p) == p_star))
#define is_call(p) ((p) && is_appl(p) && (fun_sym(p) == p_call))
#define is_plus(p) ((p) && is_appl(p) && (fun_sym(p) == p_plus))
#define is_if(p) ((p) && is_appl(p) && (fun_sym(p) == p_if))
#define is_fmerge(p) ((p) && is_appl(p) && (fun_sym(p) == p_fmerge))
#define is_lmerge(p) ((p) && is_appl(p) && (fun_sym(p) == p_lmerge))
#define left(p) elm1(fun_args(p))
#define right(p) elm2(fun_args(p))
#define proc_args(p) fun_args(p)
extern proc *Delta;
extern proc *Tau;
typedef term ap_form;
/* ------------------ procdefs -------------------------------*/
typedef term proc_def;
typedef term proc_def_list;
proc_def *mk_proc_def(char *, term_list *, term_list *, proc *);
#define pd_name(pd) var_sym(elm1(fun_args(pd)))
#define pd_formals(pd) elm2(fun_args(pd))
#define pd_vars(pd) elm3(fun_args(pd))
#define pd_body(pd) elm4(fun_args(pd))
#define is_proc_def(pd) ((pd) && is_appl(pd) && (fun_sym(pd) == s_proc_def))
void pr_proc_def(proc_def *);
/* ---------------- timers -----------------------------------*/
#define mk_timer(at,dsym,dt,tsym,tt) \
mk_appl3(p_timer, at, mk_appl1(dsym,dt), mk_appl1(tsym, tt))
#define timer_atom(tm) elm1(fun_args(tm))
#define timer_delay(tm) elm2(fun_args(tm))
#define timer_timeout(tm) elm3(fun_args(tm))
#define is_timer(tm) ((tm) && (fun_sym(tm) == p_timer))
/* -------------- process instances ------------------------------ */
typedef term proc_inst;
typedef term proc_id;
#define mk_proc_inst(AP,Env,Subs,Notes,Name,Pid,Mon) \
mk_appl7(s_proc_inst, AP, Env, Subs, Notes, Name, Pid, Mon)
#define pi_alts(pi) elm1(fun_args(pi)) /* < AP1 + ... + APn > */
#define pi_env(pi) elm2(fun_args(pi)) /* local environment of process */
#define pi_subs(pi) elm3(fun_args(pi)) /* list of subscriptions */
#define pi_notes(pi) elm4(fun_args(pi)) /* list of notes */
#define pi_name(pi) elm5(fun_args(pi)) /* name of proces definition (string) */
#define pi_pid(pi) elm6(fun_args(pi)) /* process identifier (int) */
#define pi_mon(pi) elm7(fun_args(pi)) /* monitor: NULL or mon(Tid), where
mon = logger | viewer | controller,
Tid is a tool identifier */
#define is_monitor(t) ((t) && is_appl(t) && ((fun_sym(t) == mon_logger) ||\
(fun_sym(t) == mon_viewer) ||\
(fun_sym(t) == mon_controller)))
void init_procs(void);
term_list *mk_functions(void);
void print_process(term *proc);
void print_process_snd_msgs_only(term *proc);
void print_alternatives(term *t, int snd_msgs_only);
void print_alternative(term *t, int snd_msgs_only);
#endif /* __PROCS_H__ */
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