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1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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2 %%
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3 %% LITE Tcl/Tk interface
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4 %%
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5 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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6
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7 % :- ensure_loaded('../tableau/lite').
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8 :- module(lite).
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9 :- use_module(library(tcltk)).
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10 :- verbose(off).
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11
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12 :- dynamic r_event/2.
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13
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14 :- abolish(show_state,2).
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15 % Next command keep check event during verification
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16 show_state(S,ITL) :-!,
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17 (tcl_eval(update);true),!,
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18 bdt2itl(ITL,ITL1),
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19 nl,write('state('),write(S), % (
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20 (verbose,write(' , '), write(ITL1),write(')'),nl;write(')')),!.
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21
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22 event(verbose,'1') :- verbose(on).
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23 event(verbose,'0') :- verbose(off).
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24 event(X,Y) :- assertz(r_event(X,Y)). % ,write((X,Y)),nl.
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25 event(X) :- assertz(r_event(X,[])). % ,write((X)),nl.
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26
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27 next(X,Y) :- r_event(_,_),retract(r_event(X,Y)),!.
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28 next(X,Y) :- tk_do_one_event(0),!,
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29 next(X,Y).
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30
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31 display :-
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32 init_display,!,
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33 event_loop(run).
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34
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35 init_display :-
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36 (retract(r_event(_,_)),fail;true),
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37 tk_init('lite',[]),
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38 % tcl_eval('source disp.tcl'),
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39 tcl_eval('source xf-disp'),
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40 all_disable.
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41 canvas_origin(20,20).
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42
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43 event_loop(quit):-!.
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44 event_loop(_) :-
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45 next(X,Y),execute(X,Y),!,event_loop(X).
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46
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47 execute(verify,X) :- !,
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48 verify(X).
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49
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50 % !,X=1 -> verbose(on); verbose(off). causes error
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51 execute(verbose,X) :- X='1' -> verbose(on); verbose(off).
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52 execute(map,X) :- !,name(X,L),name(X1,L),view_state(a,X1).
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53 execute(execute,_) :- !,do_execute,!.
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54 execute(generate,_) :- !,
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55 generate.
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56 execute(counter,_) :- !,do_diagnosis,!.
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57 execute(quit,_) :- !. % ,tcl_eval('destroy .').
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58 execute(prolog_call,X) :- !,prolog_call(X).
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59 execute(tokio_call,X) :- !,tokio_call(X).
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60 execute(X,_) :- !,write(event(X)),nl,ttyflush.
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61
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62 generate :-
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63 TOKIO = 'tmp.tokio',
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64 tell(TOKIO),tgen,told,
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65 user:com(TOKIO,'tmp.out').
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66 gen(X) :- consult(X),specification(Y),ex(Y),generate.
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67 gen(X) :-
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68 name(X,XL),append(XL,".lite",YL),name(X1,YL),
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69 consult(X1),specification(Y),ex(Y),generate.
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70
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71 verify(X) :-
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72 all_disable,
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73 abolish(st,3),abolish(specification,1),abolish(st_variables,2),
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74 t2string(X,X0),s2terms(X0,X1),command(X1,X2,X3),
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75 display_contents(X3),
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76 ex(X2),!,
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77 ttyflush, display_statistics,
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78 all_enable.
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79 verify(_) :-
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80 all_disable.
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81 display_contents(X) :-
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82 ttyflush,t2strings(X,XS0),easy_pp(XS0,XS),
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83 tcl_eval('$symbolicName(entry) delete 0.0 end'),
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84 tcl_eval(['$symbolicName(entry) insert 0.0 {',XS,'}']),
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85 display_update.
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86
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87 all_disable :-
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88 tcl_eval('$symbolicName(map) configure -state disabled'),
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89 tcl_eval('$symbolicName(execute) configure -state disabled'),
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90 tcl_eval('$symbolicName(diag) configure -state disabled'),
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91 display_update.
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92 all_enable :-
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93 tcl_eval('$symbolicName(map) configure -state normal'),
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94 tcl_eval('$symbolicName(execute) configure -state normal'),
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95 tcl_eval('$symbolicName(diag) configure -state normal'),
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96 display_update.
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97
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98 % Backtrack Control of example/counter example
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99
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100 do_execute :- display_exe('.'),next(X,Y),do_execute(X,Y),!.
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101 do_execute.
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102
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103 do_execute(execute,_) :-!,
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104 fail.
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105 do_execute(X,Y) :- execute(X,Y),!.
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106
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107 do_diagnosis :- display_diag(','),next(X,Y),do_diagnosis(X,Y),!.
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108 do_diagnosis.
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109
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110 do_diagnosis(diag,_) :-!,
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111 fail.
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112 do_diagnosis(X,Y) :- execute(X,Y),!.
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113
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114 % :- dynamic specification/1.
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115
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116 % Text Based Commnad
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117
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118 command([st(X,Y,Z)|T],Term,[st(X,Y,Z)|T1]):-!,
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119 assertz(st(X,Y,Z)),!,
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120 command(T,Term,T1).
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121 command([specification(X)|T],X,[specification(X)|T1]):-!,
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122 command(T,X,T1).
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123 command([st_variables(X,Y)|T],Term,[st_variables(X,Y)|T1]):-!,
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124 assertz(st_variables(X,Y)),
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125 command(T,Term,T1).
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126 command([],true,[]) :-!.
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127 command([],_,[]) :-!.
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128 command([H],Term,[Term1]) :-!,
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129 command(H,Term),!,Term=Term1.
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130 command([H|T],(Term1,Terms),[Term1|T1]) :-
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131 command(H,Term1),!,command(T,Terms,T1).
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132
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133 command(demo(X),Term):-!,lite:demo(X,Term). % predefined examples
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134 command(ex(X),Term):-!,ex(X,Term).
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135 command(prolog(X,P),X):-!,safe_call(P).
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136 command(prolog(P),true):-!,safe_call(P).
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137 command(tokio(P),true):-!,safe_call(tokio(P)).
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138 command(consult(P),Term):-!,
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139 command(file(P),Term).
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140 command(file(P),Term):-
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141 on_exception(Er,(consult(P),specification(Term)),
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142 read_error(Term,Er,user,user)).
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143 command(A,A) :- atomic(A),!.
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144 command(P,R) :- functor(P,H,N),functor(R,H,N),
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145 command_arg(N,P,R).
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146 command_arg(0,_P,_R):-!.
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147 command_arg(N,P,R):-arg(N,P,PA),arg(N,R,RA),
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148 N1 is N-1,command(PA,RA),command_arg(N1,P,R).
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149
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150 prolog_call(X) :-
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151 t2string(X,X0),s2terms(X0,[X1|_]),safe_call(X1).
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152 tokio_call(X) :-
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153 t2string(X,X0),s2terms(X0,[X1|_]),safe_call(tokio(X1)).
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154
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155 safe_call(X) :-
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156 on_exception(Er,user:call(X),
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157 read_error(X,Er,user,user)),!.
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158 safe_call(_).
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159
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160 :-dynamic font/2.
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161
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162 small :- (retract(font(_,_));true),assert(font("7x14",14)).
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163 large :- (retract(font(_,_));true),assert(font("12x24",24)).
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164
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165 :-small.
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166 % font("7x14",14).
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167
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168 width(W,H):-
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169 font(_,Fs),
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170 W is integer(1000/24*Fs), H is integer(500/24*Fs).
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171
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172 display_statistics :-
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173 itl_state_number(S), % number of state
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174 itl_transition(L), % number of transition
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175 name(S,Ss),name(L,Ls),
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176 append("State: ",Ss,S0),append(S0," Edge:",S1),append(S1,Ls,S2),
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177 tcl_eval(["$symbolicName(states) configure -text {",S2,"}"]),!.
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178
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179 %%---------------------------------------------------------------------
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180 % display_diagnosis
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181 display_diag(View) :- diag(X),
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182 write_display_diag(X,View).
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183
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184 % display_execution exapmle.
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185 display_exe(View) :- exe(Z),
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186 write_display_diag(Z,View).
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187
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188 write_display_diag(counter_example(Hist),View) :-!,display_ce(Hist,View).
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189 write_display_diag(execution(Hist),View) :-!,display_ce(Hist,View).
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190 write_display_diag(R,_View):-!,
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191 atomic(R),name(R,Text),
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192 clear_display,
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193 tcl_eval(['$symbolicName(canvas) create text 0 0 -text "',Text,'"']).
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194
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195 % append([],X,X):-!.
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196 % append([H|X],Y,[H|Z]) :- append(X,Y,Z).
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197
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198 clear_display :-
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199 tcl_eval('$symbolicName(canvas) delete all').
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200 display_ce(Hist,View) :-
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201 canvas_origin(OX,OY),
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202 font(_,Fs),
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203 clear_display,
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204 X is OX+Fs/2,Y=OY,W is integer(60/24*Fs),H is integer(60/24*Fs),
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205 (variable_list(L);L=[]),append(L,['Time'],L1),!,
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206 display_var(['State'|L1],View,X,Y,H,X,X1),
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207 X2 is X1+X,
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208 display_ce(Hist,L,View,X2,Y,W,H,0). % ,View=>batchmodeoff.
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209 display_var([],_,_,_,_,X,X):-!.
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210 display_var([Var|L],View,X,Y,H,X1,X2):- atomic(Var),!,
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211 Y1 is Y+H, font(_Fn,Fs),
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212 name(Var,VarText),length(VarText,Len0),Len is Len0*Fs,
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213 % View=>stringlength(VarText,Len),
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214 (X1>X+Len,X3=X1;X3 is X+Len),!,
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215 display_string(X,Y,VarText),
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216 display_var(L,View,X,Y1,H,X3,X2).
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217 display_var([Var|L],View,X,Y,H,X1,X2):-
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218 functor(Var,VarH,2),member(VarH,[(^)]),!,
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219 arg(1,Var,VarA),arg(2,Var,VarB),
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220 % infix operator
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221 Y1 is Y+H, font(_Fn,Fs),
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222 name(VarH,VarTextH),name(VarA,VarTextA),name(VarB,VarTextB),
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223 append(VarTextA,VarTextH,VarText0),
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224 append(VarText0,VarTextB,VarText),
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225 length(VarText,Len0),Len is Len0*Fs,
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226 % View=>stringlength(VarText,Len),
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227 (X1>X+Len,X3=X1;X3 is X+Len),!,
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228 display_string(X,Y,VarText),
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229 display_var(L,View,X,Y1,H,X3,X2).
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230 display_var([Var|L],View,X,Y,H,X1,X2):-
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231 functor(Var,VarH,2),
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232 arg(1,Var,VarA),arg(2,Var,VarB),
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233 Y1 is Y+H, font(_Fn,Fs),
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234 name(VarH,VarTextH),name(VarA,VarTextA),name(VarB,VarTextB),
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235 CB is "(",CE is ")",CC is ",",
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236 append(VarTextH,[CB|VarTextA],VarText0),
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237 append(VarText0,[CC|VarTextB],VarText1),
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238 append(VarText1,[CE],VarText),
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239 length(VarText,Len0),Len is Len0*Fs,
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240 % View=>stringlength(VarText,Len),
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241 (X1>X+Len,X3=X1;X3 is X+Len),!,
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242 display_string(X,Y,VarText),
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243 display_var(L,View,X,Y1,H,X3,X2).
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244
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245 display_string(X,Y,Text) :-
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246 font(Fn,_),
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247 name(X,XL),name(Y,YL),
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248 tcl_eval(['$symbolicName(canvas) create text ',XL,' ',YL,' -font ',Fn,
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249 ' -text "', Text,'"'
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250 ]).
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251 display_ce([],_,_,_,_,_,_,_):-!.
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252 display_ce([(S->[_|Cond])|Hist],L,View,X,Y,W,H,T) :-
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253 X1 is X+W,Y1 is Y+H,T1 is T+1,
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254 name(S,SText),display_string(X1,Y,SText),
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255 display_now(L,Cond,View,X1,Y1,W,H,T),
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256 display_ce(Hist,L,View,X1,Y,W,H,T1).
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257
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258 display_now([],_,_View,X,Y,_,_,T):-!,
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259 name(T,SText),display_string(X,Y,SText).
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260 display_now([V|Vr],Cond,View,X,Y,W,H,T):-
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261 XS is X-H/2,YS is Y-H/2,
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262 display_state(Cond,V,View,XS,YS,W,H),
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263 Y1 is Y+H,
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264 display_now(Vr,Cond,View,X,Y1,W,H,T).
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265
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266 rectangle(1,X,Y,X2,Y2) :-!,
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267 name(X,XL),name(Y,YL), name(X2,XL2),name(Y2,YL2),
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268 tcl_eval(['$symbolicName(canvas) create rectangle ',
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269 XL,' ',YL,' ', XL2,' ',YL2,' ',
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270 '-stipple gray50 -fill black'
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271 ]).
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272 rectangle(0,X,Y,X2,Y2) :-
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273 name(X,XL),name(Y,YL), name(X2,XL2),name(Y2,YL2),
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274 tcl_eval(['$symbolicName(canvas) create rectangle ',
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275 XL,' ',YL,' ', XL2,' ',YL2
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276 ]).
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277 display_state([V|_],V,_View,X,Y,W,H) :-!, % true
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278 X2 is X+W,Y2 is Y+H,
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279 rectangle(1,X,Y,X2,Y2).
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280 display_state([not(V)|_],V,_View,X,Y,W,H) :-!, % false
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281 X2 is X+W,Y2 is Y+H,
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282 rectangle(0,X,Y,X2,Y2).
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283 display_state([_|T],V,View,X,Y,W,H) :-!,
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284 display_state(T,V,View,X,Y,W,H).
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285 display_state([],_,_View,X,Y,W,H) :-!, % unknown
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286 X2 is X+W,Y2 is Y+H/2,Y3 is Y2+3,
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287 rectangle(0,X,Y2,X2,Y3).
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288
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289 display_update :- tcl_eval('update').
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290
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291 view_state(View,W) :-
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292 itl_state_number(S),
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293 clear_display,
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294 canvas_origin(OX,OY),
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295 calc_view_size(W,S,D,W0),
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296 % write(calc_view_size(W,S,D,W0)),nl,
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297 W1 is OX + W0 + D, H1 is OY + W0 + D,
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298 rectangle(0,OX,OY,W1,H1),
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299 view_state_write(View,W0,S,D).
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300
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301 calc_view_size(W,S,D,W1) :-
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302 D0 is integer(W/(S+1)),(D0<2,D=2;D=D0),!,
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303 W0 is D*(S+1),(W0=<W,!,W1 = W0; W1 is integer(W)),!.
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304
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305 view_state_write(_View,W,S,D) :-
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306 canvas_origin(OX,OY),
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307 links(X,Y), link_translate(X,Y,X1,Y1,W,S),
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308 X2 is OX+X1+D,Y2 is OY+Y1+D,
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309 X11 is OX+X1,Y11 is OY+Y1,
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310 rectangle(1,X11,Y11,X2,Y2),
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311 display_update,
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312 fail.
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313 view_state_write(_View,_,_,_):-true.
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314
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315 link_translate(false,Y,X1,Y1,W,S) :- !,
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316 link_translate(S,Y,X1,Y1,W,S).
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317 link_translate(X,false,X1,Y1,W,S) :- !,
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318 link_translate(X,S,X1,Y1,W,S).
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319 link_translate(X,Y,X1,Y1,W,S) :- number(X),number(Y),!,
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320 X1 is integer(X*W/(S+1))+1, Y1 is integer(Y*W/(S+1)).
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321 link_translate(X,_,X1,0,W,S) :- number(X),!,
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322 X1 is integer(X*W/(S+1)).
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323 link_translate(_,Y,0,Y1,W,S) :- number(Y),!,
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324 Y1 is integer(Y*W/(S+1)).
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325 link_translate(_,_,0,0,_,_).
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326
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327 %%
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328
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329 s2term("",true):-!.
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330 s2term(Text,Term) :-
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331 telling(O),
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332 tell(tmp),format("~s.~n",[Text]),told,tell(O),
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333 seeing(I),
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334 see(tmp),on_exception(Er,read(Term),read_error(Term,Er,I,O)),
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335 see(tmp),seen,see(I),!.
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336 s2term(_,true):-tell(tmp),told,see(tmp),seen.
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337
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338 s2terms("",true):-!.
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339 s2terms(Text,Terms) :-
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340 check_period(Text,0,Text1),
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341 telling(O),
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342 tell(tmp),format("~s~n",[Text1]),told,tell(O),
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343 seeing(I),
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344 see(tmp),on_exception(Er,s2terms0(Terms),read_error(Terms,Er,I,O)),
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345 see(tmp),seen,see(I),!.
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346 s2terms(_,true):-tell(tmp),told,see(tmp),seen.
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347
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348 s2terms0(Terms) :-read(X),s2terms0(X,Terms).
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349 s2terms0(end_of_file,[]):-!.
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350 s2terms0(H,[H|T]):-read(X),s2terms0(X,T).
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351
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352 read_error(true,Er,I,O) :-
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353 tell(tmp),told,see(tmp),seen,
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354 see(I),tell(O), % unix(system('rm tmp')),
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355 write('read error:'),write(Er),nl.
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356
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357 t2string(Term,Text) :-
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358 telling(O),
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359 tell(tmp),write(Term),told,tell(O),
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360 seeing(I),
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361 see(tmp),get0(C),read_string(C,Text),see(tmp),seen,see(I),!.
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362 t2string(_,true):-tell(tmp),told,see(tmp),seen.
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363
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364 t2strings(Terms,Text):-!,
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365 telling(O),
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366 t2strings(Terms),
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367 told,tell(O),
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368 seeing(I),
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369 see(tmp),get0(C),read_string(C,Text),see(tmp),seen,see(I),!.
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370 t2strings(_,true):-tell(tmp),told,see(tmp),seen.
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371
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372 t2strings([]):-!.
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373 t2strings([Term|T]):-!,
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374 tell(tmp),write(Term),put("."),put(10),t2strings(T).
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375
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376 read_string(-1,[]) :- !.
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377 read_string(C,[C|T]) :-
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378 get0(C1),read_string(C1,T).
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379
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380 check_period([],0,[32,46]):-!.
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381 check_period([],1,[]):-!.
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382 check_period([46],_,[46]):-!.
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383 check_period([46,X|T],_,[46,X|T1]):-(X=32;X=10;X=37),!,
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384 check_period(T,1,T1).
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385 check_period([37|T],X,[37|T1]):-
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386 skip_line(T,X,T1).
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387 check_period([X|T],P,[X|T1]):-(X=32;X=10),!,
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388 check_period(T,P,T1).
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389 check_period([X|T],_,[X|T1]):-
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390 check_period(T,0,T1).
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391
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392 skip_line([],X,[]):-!,
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393 check_period([],X,_).
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394 skip_line([10|T],X,[10|T1]):-!,
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395 check_period(T,X,T1).
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396 skip_line([_|T],X,T1):-skip_line(T,X,T1).
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397
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398 % sicstus dependent
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399 easy_pp(X,X1) :- easy_pp(X,X1,0).
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400 easy_pp([],[10],_) :- !.
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401 easy_pp([C|T],[C1,10|T0],_) :- C is ".",!,C1 = C,
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402 easy_pp(T,T0,0).
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403 easy_pp([C|T],[C1,10|T0],N) :- C is ",",!,C1 = C,
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404 easy_tab(N,T0,T1),easy_pp(T,T1,N).
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405 easy_pp([C|T],[C1,10|T0],N) :- C is ";",!,C1 = C,
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406 easy_tab(N,T0,T1),easy_pp(T,T1,N).
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407 easy_pp([C,C|T],[C1,C1,10|T0],N) :- C is "&",!,C1 = C, % &&
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408 easy_tab(N,T0,T1),easy_pp(T,T1,N).
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409 easy_pp([C|T],[C1,10|T0],N) :- C is "&",!,C1 = C, % &
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410 easy_tab(N,T0,T1),easy_pp(T,T1,N).
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411 easy_pp([C,C1,C2,CB|T],C3,N) :- [C,_,C2,CB]="[a](",!, % quote '[a]'
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412 CQ is "'", C3 = [CQ,C,C1,C2,CQ,CB|T1],
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413 easy_pp(T,T1,N).
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414 easy_pp([10|T],[10|T0],N) :- !,
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415 easy_tab(N,T0,T1),easy_pp(T,T1,N).
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416 easy_pp([Par|T],[Par1|T0],N) :- Par is "(",!,Par1 = Par,
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417 N1 is N+1,easy_pp(T,T0,N1).
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418 easy_pp([Par|T],[Par1|T0],N) :- Par is ")",!,Par1 = Par,
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419 N1 is N-1,easy_pp(T,T0,N1).
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420 easy_pp([H|T],[H|T0],N) :-
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421 easy_pp(T,T0,N).
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422
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423 easy_tab(N,T,T1):-N =< 0,!,T=T1.
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424 easy_tab(N,[32,32|T],T1) :-
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425 N1 is N-1,easy_tab(N1,T,T1).
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426
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427 % end %
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