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author kono
date Thu, 30 Aug 2007 14:57:44 +0900
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1 /*
2 Copyright (C) 1988,2005, Shinji Kono
3 Everyone is permitted to copy and distribute verbatim copies
4 of this license, but changing it is not allowed. You can also
5 use this wording to make the terms for other programs.
6
7 send your comments to kono@ie.u-ryukyu.ac.jp
8 */
9
10 /*
11
12 Tokio compiler to prolog
13 Thu Aug 15 12:17:04 JST 1985
14 Fri Jan 10 16:11:31 JST 1986
15 Fri Sep 5 09:51:36 JST 1986 for 1.2a
16 Thu Mar 26 16:19:10 JST 1987
17 Wed Oct 14 13:35:54 JST 1987 full time F
18 Fri Oct 16 11:28:26 JST 1987 Sicstus
19 $Header$
20 compiler main routine
21 */
22
23 com(X) :- reset_macro,tokiocompile(X).
24 com(X,Y) :- reset_macro,tokiocompile(X, Y),
25 (Y = user,!;reconsult(Y)).
26
27 tokiocompile(S) :-
28 tokiocompile(S, '#temp.tokio'),
29 % reconsult('#temp.tokio').
30 compile0('#temp.tokio').
31
32 tokiocompile(S, O) :-
33 cputime(Time),
34 init_tokiocomp,
35 tell(O),
36 tokiocomp(S, [], _L), told,
37 cputime(Time1),Time0 is Time1-Time,
38 c_error((write('END '), nl, write(Time0), write(' sec.'),nl)).
39
40 init_tokiocomp :- recorded('$uskel', _X, R), erase(R), fail.
41 init_tokiocomp :- recorded('$mnum', _X, R), erase(R), fail.
42 init_tokiocomp.
43
44 tokiocomp([], L, L) :- !.
45 tokiocomp([H|T], L0, L) :- !, tokiocomp(H, L0, L1), tokiocomp(T, L1, L).
46 tokiocomp(F, _L0, _L) :-
47 seeing(O), nofileerrors, tokiofile(F,F1),see(F1), !,
48 tokiocomp1('$$$$'), seen, see(O), !.
49 tokiocomp(F, _, _) :-
50 fileerrors,
51 c_error((write('Cannot open file: '), write(F), nl)), !, fail.
52
53 tokiofile(F,F).
54 tokiofile(F,F1) :- name(F,FL),concatenate([FL,".tokio"],NewL),name(F1,NewL).
55 tokiofile(F,F1) :- name(F,FL),concatenate([FL,".t"],NewL),name(F1,NewL).
56
57
58 /* tokiocomp1
59 read loop (fail loop)
60 */
61
62 tokiocomp1(X) :- tokiocomp2(X).
63 tokiocomp1(_) :-
64 read(Next), !, tokiocomp1(Next).
65 tokiocomp1(_) :- c_error((nl,write('read error'),nl)).
66
67 /* tokocomp2
68 compiler directive
69 this predicate never success except file end.
70 */
71
72 tokiocomp2(end_of_file) :- !.
73 tokiocomp2('$$$$') :- !,fail.
74 tokiocomp2('$define'(Macro)) :-
75 read_macro(Macro),!,fail.
76 tokiocomp2('$function'(Function)) :-
77 read_function(Function),!,fail.
78 tokiocomp2((:- X)) :-
79 call(X), write_clause((:- X)),!,fail.
80 tokiocomp2((?- X)) :-
81 call(X), write_clause((:- X)),!,fail.
82 tokiocomp2(Head) :- compiling_message(Head),fail.
83 tokiocomp2(X) :- preprocess(X,X1),!,tokiocomp3(X1).
84
85 compiling_message((Head :- _Body)) :- !,compiling_message(Head).
86 compiling_message(Head) :-
87 (systemp(Head);Head = (_,_);Head = [_|_];functor(Head,'{}',_)),!,
88 functor(Head,H,A),
89 c_error((
90 write('Compiling System Predicate: '),
91 write(H/A),nl)),!.
92 compiling_message(Head) :-
93 functor(Head,H,A),
94 c_error((
95 write('Compiling: '),
96 write(H/A),nl)),!,!.
97
98 /* tokiocomp3
99 if end_of_file then success otherwise fail
100 */
101
102 tokiocomp3((X,_Y)) :- tokiocomp3(X),fail. % fail and fall into next line
103 tokiocomp3((_X,Y)) :- !,tokiocomp3(Y).
104 tokiocomp3(X) :-
105 c_clause(X, C), write_clause(C),!, fail. % to reduce stack
106 tokiocomp3(X) :-
107 c_error((nl,write('compiler error on '),write(X),nl)),fail.
108
109 % preprocess(X,X). % no development
110
111 display_fa(F/A) :- display(F), display('/'), display(A), display(',').
112
113 writel([]) :- !.
114 writel([X|L]) :- writel(L), write(X), write(', ').
115
116 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
117 %
118 % varialble type
119 %
120 % '$REF' full referenced variable
121 % '$TMP' both now and next are referenced
122 % '$NOW','$NXT' either now or next is referenced
123 % '$CNT' this variable is constnat in time transition
124 %
125 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
126
127 variable(X) :- var(X), !.
128 variable('$REF'(_)) :- !.
129 variable('$CNT'(_)) :- !.
130 variable('$NOW'(_,_)) :- !.
131 variable('$NXT'(_,_)) :- !.
132 variable('$TMP'(_,_,_)).
133
134
135 % c_post(Vname, Vname, V0, V) :-
136 % var(Vname),!, V is V0+1,name(V0,Lv),name(Vname,[95|Lv]). %%% _001
137 c_post(Vname, Vname, V0, V) :-
138 var(Vname),!, V is V0+1,Vname = '$VAR'(V0). %%% _001
139 c_post('$VAR'(X), '$VAR'(X), V, V) :- !.
140 c_post('$CNT'(X), XX, V0, V) :- !, c_post(X, XX, V0, V).
141 c_post('$REF'(X), XX, V0, V) :- !, c_post(X, XX, V0, V).
142 c_post('$TMP'(X,Now,Nxt), XX, V0, V) :- !, c_post_tvar(X,Now,Nxt, XX, V0, V).
143 c_post('$NOW'(X,Now), XX, V0, V) :- !, c_post_tvar(X,Now,_Nxt, XX, V0, V).
144 c_post('$NXT'(X,Nxt), XX, V0, V) :- !, c_post_tvar(X,_Now,Nxt, XX, V0, V).
145 c_post(Atomic,Qatomic,V,V) :- atomic(Atomic),!,
146 c_post_atomic(Atomic,Qatomic).
147 c_post([A|B],[AA|BB], V0, V) :- !,
148 c_post(A,AA,V0,V1),c_post(B,BB,V1,V).
149 c_post((A,B),(AA,BB), V0, V) :- !,
150 c_post(A,AA,V0,V1),c_post(B,BB,V1,V).
151 % Special Hack.... ( nonvar for C-Prolog)
152 c_post('r_eq'(A,B,Q1,Q2), B1=A1, V0, V) :- nonvar(A),nonvar(B),
153 functor(A,'$CNT',_),functor(B,'$CNT',_),!,
154 c_post(A,A1,V0,V1),c_post(B,B1,V1,V2),
155 c_post(Q1,Q11,V2,V3),c_post(Q2,Q12,V3,V),Q11=Q12.
156 c_post('r_eq'(A,B,Q1,Q2), 'r_eqn'(B1,A1,Q11,Q12), V0, V) :- nonvar(A),
157 functor(A,'$CNT',_),!,
158 c_post(A,A1,V0,V1),c_post(B,B1,V1,V2),
159 c_post(Q1,Q11,V2,V3),c_post(Q2,Q12,V3,V).
160 c_post('r_eq'(A,B,Q1,Q2), 'r_eqn'(A1,B1,Q11,Q12), V0, V) :- nonvar(B),
161 functor(B,'$CNT',_),!,
162 c_post(A,A1,V0,V1),c_post(B,B1,V1,V2),
163 c_post(Q1,Q11,V2,V3),c_post(Q2,Q12,V3,V).
164 c_post('r_eq'(A,B,Q1,Q2), 'r_eq'(A1,B1,Q11,Q12), V0, V) :- !,
165 c_post(A,A1,V0,V1),c_post(B,B1,V1,V2),
166 c_post(Q1,Q11,V2,V3),c_post(Q2,Q12,V3,V).
167 c_post(X, XX, V0, V) :-
168 functor(X, F, A), c_post_atomic(F,F1),!, functor(XX, F1, A),
169 c_post_args(0, A, X, XX, V0, V).
170
171 c_post_atomic(X,X).
172 % c_post_atomic([],[]) :- !.
173 % c_post_atomic(Number,Number) :- number(Number),!.
174 % c_post_atomic(Atomic,Qatomic):-
175 % name(Atomic,La),La=[H|_],[H]\="'",[H]\="_",!,
176 % concatenate(["'",La,"'"],Nla),name(Qatomic,Nla).
177 % c_post_atomic(Atomic,Atomic).
178
179 c_post_args(N, N, _, _, V, V) :- !.
180 c_post_args(K, N, X, XX, V0, V) :-
181 K1 is K+1, arg(K1, X, XK), c_post(XK, XXK, V0, V1), arg(K1, XX, XXK),
182 c_post_args(K1, N, X, XX, V1, V).
183
184 c_post_tvar(X, Now, Nxt, '$t'(Now1,Nxt1), V0, V) :- var(X),!,
185 X='$TMP'(_,Now,Nxt),
186 c_post(Now, Now1, V0, V1),
187 c_post(Nxt, Nxt1, V1, V).
188 c_post_tvar('$REF'(X), _Now, _Nxt, XX, V0, V) :- !,
189 c_post(X, XX, V0, V).
190 c_post_tvar('$CNT'(X), _Now, _Nxt, XX, V0, V) :- !,
191 c_post(X, XX, V0, V).
192 c_post_tvar('$TMP'(X,Now,Nxt), Now, Nxt, XX, V0, V) :- !,
193 c_post_tvar(X, Now, Nxt, XX, V0, V).
194
195 write_clause(X) :- recorded('r_assert',_,_),assert_clause0(X).
196 write_clause(_) :- recorded('r_assert',_,_).
197 write_clause(X) :- write_clause0(X).
198 write_clause(_).
199
200 write_clause0((X:-true)) :-
201 c_post(X, XX, 0, _),
202 write_term(XX,[numbervars(true),quoted(true)]),
203 % writeq(XX),
204 put("."), nl,!,fail. %%% writeq --> write
205 write_clause0(X) :-
206 c_post(X, XX, 0, _), writeq1(XX), put("."), nl,!,fail. %%% writeq --> write
207
208 % a little pretty print
209 writeq1((A,B)) :- !,writeq1(A),put("."), nl,
210 writeq1(B).
211 writeq1((H:-B)) :- !,
212 % writeq(H),
213 write_term(H,[numbervars(true),quoted(true)]),
214 write((:-)),
215 writeq2(B).
216 writeq1(X) :-
217 % writeq(X).
218 write_term(X,[numbervars(true),quoted(true)]).
219 writeq2((A,B)) :- !,nl,tab(4),
220 % writeq(A),
221 write_term(A,[numbervars(true),quoted(true)]),
222 put(","),writeq2(B).
223 writeq2(X) :- nl,tab(4),
224 write_term(X,[numbervars(true),quoted(true)]).
225 % writeq(X).
226
227
228 assert_clause(X) :- assert_clause0(X).
229 assert_clause(_).
230
231 %assert_clause0((X:-true)) :-
232 % c_post(X, XX, 0, _), c_melt(XX,XXX,_),
233 % recorda('r_run',XXX,Ref),assertz(XXX), !,fail.
234 assert_clause0(X) :-
235 c_post(X, XX, 0, _), c_melt(XX,((XXX:-Y)),_),
236 recorda('r_run',((XXX:-_)),_Ref),assertz((XXX:-Y)), !,fail.
237
238 /* end */