lurette 0.4 Mon, 08 Oct 2001 15:01:02 +0200 by jahier

Parent-Version:      0.3
Version-Log:

J'ai amélioré l'affichage de l'automate. Maintenant, il se met
a jour au dur et à mesure de l'execution.

Project-Description: empty

.lurette.prcs_aux

@@ -2,10 +2,12 @@
 ;; REALLY bad things.
 (Created-By-Prcs-Version 1 3 3)
 (ID_EN_VRAC 2184 1002196285 0_ID_EN_VRAC 1.1)
-(Mmakefile 102 1002196285 1_Mmakefile 1.1)
-(env_automata.m 11091 1002196285 4_env_automa 1.1)
+(env.m 9917 1002546062 4_env_automa 1.3)
+(test2.aut 1231 1002546062 8_test2.aut 1.1)
+(Mmakefile 93 1002546062 1_Mmakefile 1.2)
+(dot_automata.m 5814 1002546062 9_dot_automa 1.1)
 (memory.m 3884 1002196285 3_memory.m 1.1)
 (graph.m 15076 1002205313 7_graph.m 1.1)
-(dot.m 3637 1002205313 6_dot.m 1.1)
-(lurette.m 3530 1002205313 5_lurette.m 1.2)
+(dot.m 3636 1002298322 6_dot.m 1.2)
+(lurette.m 4247 1002546062 5_lurette.m 1.4)
 (test1.aut 1108 1002196285 2_test1.aut 1.1)

Mmakefile

 #!/bin/sh  makefile
-#  MCFLAGS = --trace deep
-#  MLFLAGS = --trace
-#  C2INITFLAGS = --trace
+MCFLAGS = --trace deep
+MLFLAGS = --trace
+C2INITFLAGS = --trace
 
 MC = mmc

dot_automata.m

+%-----------------------------------------------------------------------%
+% Copyright (C) 2001 - Verimag.
+% This file may only be copied under the terms of the GNU Library General
+% Public License 
+%-----------------------------------------------------------------------%
+
+% File: dot
+% Main author: jahier@imag.fr
+
+% Display a graph with dot.
+
+
+
+:- module dot_automata.
+
+%-----------------------------------------------------------------------%
+
+:- interface.
+:- import_module string, io, env.
+
+:- type arc_to_color
+	---> none
+	;    to_color(env__arc, formula).
+
+:- pred display_graph(string, io__state, io__state).
+:- mode display_graph(in, di, uo) is det.
+
+:- pred generate_graph(arc_to_color, int, string, automata, io__state, io__state).
+:- mode generate_graph(in, in, in, in, di, uo) is det.
+
+
+
+
+%-----------------------------------------------------------------------%
+
+:- implementation.
+
+:- import_module int, list, require, set, graph, std_util.
+
+
+generate_graph(Arc, Node, String, Graph) -->
+	{ TmpFile = String ++ ".tmp" },
+	{ DotFile = String ++ ".dot" },
+	{ PsFile = String ++ ".ps" },
+	io__tell(TmpFile, ResTmp),
+	(
+	  { ResTmp = error(ErrMsg) },
+	  print(ErrMsg),
+	  { error("Can't open " ++ TmpFile ++ "for output in tmp.m") }
+	;
+	  { ResTmp = ok },
+	  dump_graph(Arc, Node, Graph),
+	  io__told
+	),
+
+	% Calling sed
+	{ CallSed = "sed y/\\\"/' '/ " ++  TmpFile ++ " | sed y/\\'/\\\"/ > " ++ DotFile },
+	% print(CallSed), nl,
+	io__call_system(CallSed, ResSedCall),
+	( { ResSedCall = ok(_) } ; { ResSedCall = error(ErrMsg3) }, print(ErrMsg3) ),
+	
+	% Calling dot to create the postscript file
+	{ CallDot = "dot -Tps " ++ DotFile ++ " -o " ++ PsFile },
+	% print(CallDot), nl,
+	io__call_system(CallDot, ResDotCall),
+	( { ResDotCall = ok(_) } ; { ResDotCall = error(ErrMsg2) }, print(ErrMsg2) ).
+	
+display_graph(String) -->
+	{ PsFile = String ++ ".ps" },
+	% Calling gv
+	{ CallGv = "gv " ++ PsFile ++ " &"},
+	print(CallGv), nl,
+	io__call_system(CallGv, ResGvCall),
+	( { ResGvCall = ok(_) } ; { ResGvCall = error(ErrMsg4) }, print(ErrMsg4) ).
+	
+
+
+:- pred dump_graph(arc_to_color, int, automata, io__state, io__state).
+:- mode dump_graph(in, in, in, di, uo) is det.
+dump_graph(ArcToColor, Node, Graph) -->
+	print("digraph G {\n\n"),
+	print("ordering=out;\n\n"), 
+
+	{ graph__nodes(Graph, NodesSet) },
+	{ NodesInfoSet = set__map(graph__node_contents(Graph), NodesSet) },
+	{ set__to_sorted_list(NodesInfoSet, NodesInfoList) },
+	dump_nodes(Node, NodesInfoList),
+
+	{ graph_to_arc_list(Graph, ArcList) },
+	dump_arc(Graph, ArcToColor, ArcList),
+	
+	print("}\n").
+
+:- type edge ---> arc(node_content, pair(env__arc, arc_content), node_content).
+
+
+:- pred graph_to_arc_list(automata, list(edge)).
+:- mode graph_to_arc_list(in, out) is det.
+graph_to_arc_list(Graph, ArcList) :-
+	graph__arcs(Graph, GraphArcList),
+	list__map(graph_arc_to_arc(Graph), GraphArcList, ArcList).
+	
+
+
+:- pred graph_arc_to_arc(automata, env__arc, edge).
+:- mode graph_arc_to_arc(in, in, out) is det.
+graph_arc_to_arc(Graph, GraphArc, Arc) :-
+	graph__arc_contents(Graph, GraphArc, Start, End, ArcInfo),
+	node_contents(Graph, Start, StartInfo),
+	node_contents(Graph, End, EndInfo),
+	Arc = arc(StartInfo, GraphArc - ArcInfo, EndInfo).
+
+
+:- pred dump_arc(automata, arc_to_color, list(edge), io__state, io__state).
+:- mode dump_arc(in, in, in, di, uo) is det.
+dump_arc(_Graph, _ArcToColor, []) --> nl.
+dump_arc(Graph, ArcToColorInfo, [arc(X, Arc - Label, Y)|CG]) -->
+	print("\t"),
+	print(X),
+	print(" -> "),
+	print(Y),
+	print(" [label=\' "),
+	print_arc_label(Label),
+	(
+  	  { ArcToColorInfo = to_color(ArcToColor, EvaluatedFormula) },
+	  { ArcToColor = Arc }
+ 	->
+  	  print("\\n --> "),
+ 	  print_formula(EvaluatedFormula),
+ 	  print("\' , style=filled,color=red,fontcolor=red]\n")
+ 	;
+	  print("\' ];\n\n")
+	),
+	dump_arc(Graph, ArcToColorInfo, CG).
+
+:- pred print_formula(formula, io__state, io__state).
+:- mode print_formula(in, di, uo) is det.
+print_formula(F) -->
+	( { F = pos({[{Int, var(VarNum)}|Tail], Const})} ->
+	    print(Int),
+	    print(VarNum),
+	    list__foldl(print_coef, Tail),
+	    print(" > "),
+	    (
+	      { Const = int(N) }
+	    ->
+	      print(N)
+	    ;
+	      { Const = val(V) }
+	    ->
+	      print(V)
+	    ;
+	      print(Const)
+	    )
+	;
+	    print(F)
+	).
+
+	    
+:- pred dump_nodes(int, list(int), io__state, io__state).
+:- mode dump_nodes(in, in, di, uo) is det.
+dump_nodes(_Node, []) --> [].
+dump_nodes(Node, [X|Xs]) -->
+	print("\t  \t"),
+	print(X),
+	( { X = Node } ->
+	    print(" [style=filled,color=red]\n")
+	;
+	    print("\n")
+	),
+	dump_nodes2(Node, Xs).
+
+
+:- pred dump_nodes2(int, list(int), io__state, io__state).
+:- mode dump_nodes2(in, in, di, uo) is det.
+dump_nodes2(_Node, []) --> nl.
+dump_nodes2(Node, [X|Xs]) -->
+	print("\t ; \t "),
+	print(X ),
+	( { X = Node } ->
+	    print(" [style=filled,color=red]\n")
+	;
+	    print("\n")
+	),
+	dump_nodes2(Node, Xs).
+
+
+%-----------------------------------------------------------------------%
+%-----------------------------------------------------------------------%
+
+:- pred print_arc_label(arc_content, io__state, io__state).
+:- mode print_arc_label(in, di, uo) is det.
+print_arc_label(Arc) -->
+	( { Arc = Weigth - pos({[{Int, var(VarNum)}|Tail], Const})}  ->
+	    print(Weigth),
+	    print(" : "),
+	    print(Int), print(VarNum),
+	    list__foldl(print_coef, Tail),
+	    print(" > "),
+	    ( { Const = int(N) } -> print(N) ; print(Const))
+	;
+	    { Arc = Weigth - Formula },
+	    print(Weigth),
+	    print(" : "),
+	    print(Formula)
+	).
+
+:- pred print_coef({int, var_num}, io__state, io__state).
+:- mode print_coef(in, di, uo) is det.
+print_coef({Int, var(VarNum)}) -->
+	( { Int > 0 } ->
+	    print(" + "),
+	    ( { Int \= 1 } -> print(Int) ; print("+ ") )
+	;
+	    print("  "),
+	    ( { Int \= -1 } -> print(Int) ; print("- ") )
+	),
+	% print("."),
+	print(VarNum).
+
+

env_automata.m → env.m

@@ -4,25 +4,24 @@
 % Public License 
 %-----------------------------------------------------------------------%
 
-% File: env_automata.m
+% File: env.m
 % Main author: jahier@imag.fr
 
-% This module simulates the test environement for the lurette module.
+% This module simulates the test environement for lurette.
 % It assumes that a description of the test environement exists in the
 % form of an automata whose arcs are labelled by weighted formula. This
 % description is read from an *.aut file that has been produced by a
-% third party tool, issued from, e.g., a Lutin or a Lustre
-% specification.
+% third party tool, issued from, e.g., a Lutin or a Lustre spec.
 %
 % This module provides the automata data type, a procedure to read the
-% automata from an *.aut file, as well as various procedures to to step
+% automata from an *.aut file, as well as various procedures to step
 % through the automata.
 
 
 %-----------------------------------------------------------------------%
 %-----------------------------------------------------------------------%
 
-:- module env_automata.
+:- module env.
 
 :- interface.
 :- import_module list, int, graph, io, std_util.
@@ -34,7 +33,7 @@
 :- type node_content == int.
 :- type node == node(node_content).
 
-:- type arc_content == { weight, formula }.
+:- type arc_content == pair(weight, formula).
 :- type arc == arc(arc_content).
 
 :- type weight == int.
@@ -66,7 +65,6 @@
 	% it is not really necessary as one can multiply the constraint
 	% (in)equality by the lcm (ppcm in french ;) of the coefficient
 	% denominators.
-	
 				
 
 :- type expr
@@ -74,7 +72,7 @@
 	;       minus(expr, expr)
 	;       times(expr, expr)
 	;       div(expr, expr)
-	;       val(string)
+	;       val(string)       
 	;       int(int).
 
 
@@ -104,13 +102,13 @@
 :- func eval(formula, memory, int) = formula.
 :- mode eval(in, memory_ui, in) = out is det.
 
+%-----------------------------------------------------------------------%
 %-----------------------------------------------------------------------%
 
 :- implementation.
 :- import_module string, bool, float, set, std_util, require.
 :- import_module lurette.
 
-
 %-----------------------------------------------------------------------%
 
 :- type read_automata
@@ -176,7 +174,8 @@ add_an_arc(edge(SourceNodeL, FormulaL, TargetNodeL), Aut0, Aut) :-
 	;
 	    graph__det_insert_node(Aut1, TargetNodeL, TargetNode, Aut2)
 	),
-	graph__det_insert_edge(Aut2, SourceNode, TargetNode, FormulaL, _Formula, Aut).
+	graph__det_insert_edge(Aut2, SourceNode, TargetNode, FormulaL,
+		_Formula, Aut).
 
 
 %-----------------------------------------------------------------------%
@@ -186,8 +185,8 @@ try(A, Node) = ArcArcInfoPairList :-
 	list__filter_map(select_arcs(A, Node), ArcList, ArcArcInfoPairList).
 
 
-:- pred select_arcs(automata::in, node::in, env_automata__arc::in,
-		    { env_automata__arc, arc_content }::out) is semidet.
+:- pred select_arcs(automata::in, node::in, env__arc::in,
+		    { env__arc, arc_content }::out) is semidet.
 select_arcs(A, Node, Arc, ArcArcInfoPair) :-
 	graph__arc_contents(A, Arc, Node, _, ArcInfo),
 	ArcArcInfoPair = { Arc, ArcInfo }.
@@ -199,12 +198,6 @@ step(A, Arc) = Node :-
 
 %-----------------------------------------------------------------------%
 
-	% eval(F, Mem, N) returns an evaluated version of the
-	% formula F. Input variables as well as variables ``under a pre''
-	% are replaced by their values. Then, the formula is normalized,
-	% i.e., the closed sub-terms of the formula are simplified.
-% :- func eval(formula, memory, int) = formula.
-
 
 eval(true, _, _) = true.
 eval(false, _, _) = false.
@@ -212,45 +205,38 @@ eval(eps, _, _) = eps.
 
 eval(and(Fl0, Fr0), Mem, D) = F :-
 	Fl1 = eval(Fl0, Mem, D),
-	( if Fl1 = false then
-	    F = false 
+	( if Fl1 = false then F = false 
 	else
 	    Fr1 = eval(Fr0, Mem, D),
 	    ( if    Fl1 = true  then F = Fr1
 	    else if Fr1 = false then F = false
 	    else if Fr1 = true  then F = Fl1
-	    else                     F = and(Fl1, Fr1)
-	    )
+	    else                     F = and(Fl1, Fr1) )
 	).
-	
+
+% use `not' and `and' instead ?
 eval(or(Fl0, Fr0), Mem, D) = F :-
 	Fl1 = eval(Fl0, Mem, D),
-	( if Fl1 = true then
-	    F = true
+	( if Fl1 = true then F = true
 	else
 	    Fr1 = eval(Fr0, Mem, D),
 	    ( if    Fl1 = false then F = Fr1
 	    else if Fr1 = true  then F = true
 	    else if Fr1 = false then F = Fl1
-	    else                     F = and(Fl1, Fr1)
-	    )
+	    else                     F = and(Fl1, Fr1) )
 	).
 
 eval(not(F0), Mem, D) = F :-
 	(    if F0 = false then F = true
 	else if F0 = true  then F = false
-	else F = not(eval(F0, Mem, D))
-	).
+	else                    F = not(eval(F0, Mem, D)) ).
 
 eval(pos(Polynome), Mem, D) = F :-
 	Polynome1 = eval_polynome(Polynome, Mem, D),
-	(
-	  Polynome1 = { [], Expr }
-	->
+	( if Polynome1 = { [], Expr } then
 	  ( (eval_expr(Expr) < float(0)) -> F = true ; F = false )
-	;
-	  F = pos(Polynome1)
-	).
+	else
+	  F = pos(Polynome1) ).
 
 % % XXX How can I avoid this duplicated code?
 % eval(pos_eq(Polynome), Mem, D) = F :-
@@ -265,23 +251,18 @@ eval(pos(Polynome), Mem, D) = F :-
 	  
 eval(b(VarName), Mem, D) = Val :-
 	Val0 = memory__lookup(Mem, VarName, D),
-	(
-	  Val0 = memory__u
-	->
+	( 
+	  Val0 = memory__u,
 	  Val = b(VarName)
 	;
-	  Val0 = memory__b(Bool)
-	->
+	  Val0 = memory__b(Bool),
 	  Val = bool_to_formula(Bool)
 	;
+	  Val0 = memory__val(_String),
+	  % Should not occur, by construction
 	  % How could I make mmc statically check that?
-	  % I can have 3 different arrays for bools, ints and rats,
-	  % but then I have to duplicate the code to init, lookup,
-	  % and set each of those arrays...
-	  % Moreover, I need to encapsulate values to be able to
-	  % handle unknown values straightforwardly
 	  %
-	  error("Boolean expected; there is a Bug in memory.m ")
+	  error("Boolean expected; there is probably a Bug in memory.m ")
 	).
 
 
@@ -308,10 +289,9 @@ bool_to_formula(no) = false.
 
 %-----------------------------------------------------------------------%
 
-% XXX Cette fonction devra plutot etre importe pour tre sur que les
-% conversions et les calculs en gnral soient cohrents avec ceux
-% fait dans le solveur.
-
+% XXX This ougth to be done in an external (C?) module that is also used
+% by the constraint solver (for consistency).
+%
 :- func eval_expr(expr) = float.
 
 eval_expr(plus(Expr1, Expr2)) = eval_expr(Expr1) + eval_expr(Expr2).
@@ -319,9 +299,9 @@ eval_expr(minus(Expr1, Expr2)) = eval_expr(Expr1) - eval_expr(Expr2).
 eval_expr(times(Expr1, Expr2)) = eval_expr(Expr1) * eval_expr(Expr2).
 eval_expr(div(Expr1, Expr2)) = eval_expr(Expr1) / eval_expr(Expr2).
 eval_expr(val(String)) = Float :-
-	( string__to_float(String, Float0) ->
+	( if string__to_float(String, Float0) then
 	    Float = Float0
-	;
+	else
 	    error("Bad format; can't convert to float.")
 	).
 eval_expr(int(Int)) = Float :-
@@ -329,8 +309,8 @@ eval_expr(int(Int)) = Float :-
 
 :- func memory_num_val_to_expr(memory__element) = expr.
 memory_num_val_to_expr(Elt) = Expr :-
-	( Elt = memory__val(String) ->
+	( if Elt = memory__val(String) then
 	    Expr = val(String)
-	;
+	else
 	    error("Numerical value expected.")
 	).

lurette.m

@@ -16,7 +16,7 @@
 % Les pamamtres du test sont :
 % 	   - L : taille de la squence
 % 	   - N : paisseur du test
-% 	   - ??: nombre de séquence (c'est quoi ca ?)
+% 	   - ??: nombre de squence
 % 	   - L'environnement
 % 	   - L'oracle
 % 	   - le SUT
@@ -66,57 +66,75 @@
 
 :- implementation.
 
-:- import_module bool, list, memory, env_automata, dot.
+:- import_module bool, list, memory, env, dot_automata, graph, random.
+:- import_module std_util.
 
 
 main -->
-	print("lurette... "), nl,
-	{ TestFile = "test1.aut" }, 
-	read_automata(TestFile, Automata, InitNode, FinalNodes, InVarList, OutVarList),
-	% dot__display_graph(TestFile, Automata),
-	{ Mem = memory__init(InVarList ++ OutVarList, 10) },
-	loop(Mem, Automata, InitNode, FinalNodes, Mem2),
-	memory__dump(Mem2).
-
-
-:- pred loop(memory, automata, node, list(node), memory, io__state, io__state).
-:- mode loop(memory_di, in, in, in, memory_uo, di, uo) is det.
-loop(Mem0, A, InitNode, FinalNodes, Mem) -->
-	print("*** Le Noeud courant est le noeud "),
-	print(InitNode), nl,
+	io__command_line_arguments(Args),
+	(  
+	  { Args = [TestFile|_] } 
+	-> 
+	  print("lurette... "), nl,
+	  read_automata(TestFile, Automata, InitNode, FinalNodes, InVarList,
+			OutVarList),
+	  { graph__node_contents(Automata, InitNode, Int) },
+	  dot_automata__generate_graph(none, Int, TestFile, Automata),
+	  dot_automata__display_graph(TestFile),
+	  { Mem = memory__init(InVarList ++ OutVarList, 10) },
+	  { random__init(73, RS) },
+	  test_lurette_loop(Mem, Automata, InitNode, FinalNodes, TestFile,
+			    Mem2, RS, _),
+	  memory__dump(Mem2)
+	;
+	  io__write_string("*** Bad number of args when calling lurette\n"),
+	  io__write_string("*** Usage: lurette <automata_file.aut> ")
+	).
+
+
+
+
+:- pred test_lurette_loop(memory, automata, node, list(node), string, memory,
+	     random__supply, random__supply, io__state, io__state).
+:- mode test_lurette_loop(memory_di, in, in, in, in, memory_uo, mdi, muo, di, uo)
+	is det.
+test_lurette_loop(Mem0, A, InitNode, FinalNodes, TestFile, Mem, RS0, RS) -->
 	{ Mem1 = set(Mem0, "a", 1, b(yes)) },
 	{ Mem2 = set(Mem1, "i", 1, val("3")) },
- 	{ Mem3 = set(Mem2, "f", 1, val("2")) },
+ 	{ Mem3 = set(Mem2, "f1", 1, val("2")) },
 	{ Mem4 = set(Mem3, "fd", 1, val("4.6")) },
 	{ MemLast = set(Mem4, "b", 1, b(no)) },
-	( { member(InitNode, FinalNodes) } ->
-	    print("The end ...\n"),
-	    { Mem = MemLast }
+	{ try(A, InitNode) = WeightedList },
+	{ weighted_list_to_list(WeightedList, List) },
+	{ random__permutation(List, ListRandom, RS0, RS1)},
+	(
+	  { ListRandom = [ Arc - ArcContent | _] },
+	  { ArcContEval = eval(ArcContent, MemLast, 1) },
+	  
+	  { NewNode = step(A, Arc) },
+	  { graph__node_contents(A, NewNode, NodeInfo) },
+	  
+	  { ArcToColor = to_color(Arc, ArcContEval) },
+  	  dot_automata__generate_graph(ArcToColor, NodeInfo,
+  				       TestFile, A),
+
+	  read_char(_),
+	  test_lurette_loop(MemLast, A, NewNode, FinalNodes, TestFile,
+			    Mem, RS1, RS)
 	;
-	    { try(A, InitNode) = List },
-	    (
-	      { List = [] },
-	      print("Pas de transitions\n"),
-	      memory__dump(MemLast),
-	      { Mem = MemLast }
-	    ;
-	      { List = [{ Arc, { _, ArcContent} } | _] },
-	      print("*** on choisit l'arc "),
-	      print(Arc),
-	      print(" étiqueté par la formule "),
-	      print(ArcContent),
-	      print(" parmis les possibilitées "),
-	      print(List), nl,
-	      print("*** Une fois évaluée, la formule "), nl, 
-	      print(ArcContent),
-	      print(" devient "), nl,
-	      print(eval(ArcContent, MemLast, 1)),
-	      nl,
-	      { NewNode = step(A, Arc) },
-	      read_char(_),
-	      loop(MemLast, A, NewNode, FinalNodes, Mem)
-	    )
+	  { ListRandom = [] },
+	  print("No possible transitions for this node\n"),
+	  memory__dump(MemLast),
+	  { Mem = MemLast },
+	  { RS = RS1 }
 	).
 
 
+:- pred weighted_list_to_list(list({ env__arc, arc_content }),
+	list(pair(env__arc, formula))).
+:- mode weighted_list_to_list(in, out) is det.
 
+weighted_list_to_list([], []). 
+weighted_list_to_list([{ArcId, Weight - Formula }|Tail0], List0 ++ Tail) :-
+	weighted_list_to_list(Tail0, Tail),
+	list__duplicate(Weight, ArcId - Formula, List0).

lurette.prj

 ;; -*- Prcs -*-
 (Created-By-Prcs-Version 1 3 3)
 (Project-Description "")
-(Project-Version lurette 0 3)
-(Parent-Version lurette 0 2)
-(Version-Log "")
+(Project-Version lurette 0 4)
+(Parent-Version lurette 0 3)
+(Version-Log "
+J'ai amlior l'affichage de l'automate. Maintenant, il se met 
+a jour au dur et  mesure de l'execution.
+")
 (New-Version-Log "")
-(Checkin-Time "Fri, 05 Oct 2001 17:12:02 +0100")
+(Checkin-Time "Mon, 08 Oct 2001 14:01:02 +0100")
 (Checkin-Login jahier)
 (Populate-Ignore ())
 (Project-Keywords)
@@ -17,16 +20,24 @@
 ;; to version 0.0(w), by jahier:
 
   (ID_EN_VRAC (lurette/0_ID_EN_VRAC 1.1 644))
-  (Mmakefile (lurette/1_Mmakefile 1.1 640))