Exemplo n.º 1
0
        public void TestCycletree()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/cycletree.fast");
            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.AreEqual <int>(1, fti.queryRes.Count);
        }
Exemplo n.º 2
0
        //[TestMethod]
        public void TestNondetCS()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/nondetcs.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.IsTrue(fti.treeDefinitions["A"].transducers.Count == 1);

            StringBuilder sb = new StringBuilder();

            fti.ToFast(sb);

            var q = new List <TreeTransducer>(fti.treeDefinitions["A"].transducers.Values)[0];

            var A = q.InputAlphabet;

            var T = A.MkAttr(A.TT.Z.True);
            Func <Expr, Expr> one = x => A.MkTree("one", T, x);
            Expr zero             = A.MkTree("zero", T);

            var t1  = one(one(one(zero)));
            var t1s = q[t1];
            var t2  = one(one(one(one(zero))));
            var t2s = q[t2];

            Assert.AreEqual <int>(8, t1s.Length);
            Assert.AreEqual <int>(16, t2s.Length);
        }
Exemplo n.º 3
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        public void TestApply()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/apply.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.IsTrue(fti.treeDefinitions["A"].transducers.Count == 1);

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            var q = new List <TreeTransducer>(fti.treeDefinitions["A"].transducers.Values)[0];

            var A = q.InputAlphabet;

            Func <Expr, Expr, Expr> two = (x, y) => A.MkTree("two", A.MkAttr(), x, y);
            Func <Expr, Expr>       one = x => A.MkTree("one", A.MkAttr(), x);
            Expr zero = A.MkTree("zero", A.MkAttr());

            var t1 = two(one(one(one(two(zero, zero)))), one(one(one(zero))));
            var t1_out_expected = one(zero);

            var t2 = two(one(one(one(zero))), one(one(one(two(zero, zero)))));

            var t1_out = q[t1];
            var t2_out = q[t2];

            Assert.AreEqual <int>(1, t1_out.Length);
            Assert.AreEqual <Expr>(t1_out_expected, t1_out[0]);

            Assert.AreEqual <int>(0, t2_out.Length, "t2 is not accepted because the right subtree contains twos");
        }
Exemplo n.º 4
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        public void TestIntersection()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/intersect.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //var t1 = fti.treeDefinitions["A"].trees["t_1"];
            //var t2 = fti.treeDefinitions["A"].trees["t_2"];
            //var t12 = fti.treeDefinitions["A"].trees["t_12"];
            //var tnot = fti.treeDefinitions["A"].trees["t_not"];

            //var q1 = fti.treeDefinitions["A"].acceptors["q1"];
            //var r1 = fti.treeDefinitions["A"].acceptors["r1"];
            //var inters = fti.treeDefinitions["A"].acceptors["intersect_q1r1"];

            //Assert.IsTrue(q1.Apply(t12).SequenceEqual(inters.Apply(t12)));
            //Assert.IsTrue(r1.Apply(t12).SequenceEqual(inters.Apply(t12)));
            //Assert.IsFalse(q1.Apply(t1).SequenceEqual(inters.Apply(t1)));
            //Assert.IsTrue(r1.Apply(t1).SequenceEqual(inters.Apply(t1)));
            //Assert.IsTrue(q1.Apply(t2).SequenceEqual(inters.Apply(t2)));
            //Assert.IsFalse(r1.Apply(t2).SequenceEqual(inters.Apply(t2)));
            //Assert.IsTrue(q1.Apply(tnot).SequenceEqual(inters.Apply(tnot)));
            //Assert.IsTrue(r1.Apply(tnot).SequenceEqual(inters.Apply(tnot)));

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());

            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/intersect.cs", "Microsoft.Fast.Tests.Intersection");
        }
Exemplo n.º 5
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 public static void Run(string source, TextWriter tw = null, string cs_master_file = "", string filename = "pgm.fast")
 {
     if (tw == null)
     {
         tw = Console.Out;
     }
     try
     {
         var pgm = FastPgmParser.Parse(source, filename);
         FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm, tw, LogLevel.Minimal);
         FastTransducerInstance.DisposeZ3P();
     }
     catch (FastParseException e)
     {
         tw.WriteLine(e.ToString());
         return;
     }
     catch (FastAssertException e)
     {
         tw.WriteLine("{3}({0},{1}): error : AssertionViolated, {2}", min1(e.line), min1(e.pos), e.Message, filename);
         return;
     }
     catch (FastException e)
     {
         tw.WriteLine("{3}({0},{1}): error : FastError, {2}", 1, 1, e.Message, filename);
         return;
     }
     catch (Exception e)
     {
         tw.WriteLine("{3}({0},{1}): error : InternalError, {2}", 1, 1, filename);
         return;
     }
 }
Exemplo n.º 6
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        public void TestOperators()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/operators.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            FastTransducerInstance.DisposeZ3P();
        }
Exemplo n.º 7
0
        public void TestHtmlSanitizer()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/htmlSanitizer.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            FastTransducerInstance.DisposeZ3P();
        }
Exemplo n.º 8
0
        /// <summary>
        /// Generates C# code from a Fast program
        /// </summary>
        /// <param name="inputPath">the Fast file from which it generates the CSharp code</param>
        /// <param name="outputPath">the C# file into which the CSharp code is generated</param>
        /// <param name="ns">the package the generated file will belong to</param>
        /// <param name="flag">true to generate the transducer's optimized version</param>
        public static bool GenerateCSharp(String inputPath, String outputPath, String ns, bool flag)
        {
            var pgm = Parser.ParseFromFile(inputPath);
            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);
            StringBuilder          sb  = new StringBuilder();

            fti.ToFast(sb);
            pgm = Parser.ParseFromString(sb.ToString());
            return(CsharpGenerator.GenerateCode(pgm, outputPath, ns));
        }
Exemplo n.º 9
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        public void AAAtest()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/aaa.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.AreEqual <int>(5, fti.treeDefinitions["Node"].transducers.Count);
            Assert.AreEqual <int>(3, fti.treeDefinitions["Node"].acceptors.Count);
            Assert.AreEqual <int>(1, fti.alphabets.Count);
            Assert.AreEqual <int>(2, fti.queryRes.Count);
        }
Exemplo n.º 10
0
        //[TestMethod]
        public void TestMinimization()
        {
            var pgm = Parser.ParseFromFile("../../../src/Fast.Tests/FastSamples/minimization.fast");

            //Build transducers
            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //Compile to fast and back
            //StringBuilder sb = new StringBuilder();
            //fti.ToFast(sb);
            //pgm = Parser.ParseFromString(sb.ToString());
        }
Exemplo n.º 11
0
        public void TestEquivalence()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/equivalence.fast");

            //Build transducers
            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //Compile to fast and back
            //StringBuilder sb = new StringBuilder();
            //fti.ToFast(sb);
            //pgm = Parser.ParseFromString(sb.ToString());
        }
Exemplo n.º 12
0
        public void TestPreimage()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/preimage.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());
        }
Exemplo n.º 13
0
        public void TestTrees()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/trees.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());

            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/trees.cs", "Microsoft.Fast.Tests.Trees");
        }
Exemplo n.º 14
0
        public void TestCompositionAsserts()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/compose1.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.IsTrue(fti.treeDefinitions["C"].trees["t_112"].SequenceEqual(fti.treeDefinitions["C"].trees["t_12"]));
            Assert.IsTrue(fti.treeDefinitions["C"].trees["t_212"].SequenceEqual(fti.treeDefinitions["C"].trees["t_22"]));

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());
        }
Exemplo n.º 15
0
        public void TestUnion()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/union.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            var t1   = fti.treeDefinitions["A"].trees["t_1"];
            var t2   = fti.treeDefinitions["A"].trees["t_2"];
            var t12  = fti.treeDefinitions["A"].trees["t_12"];
            var tnot = fti.treeDefinitions["A"].trees["t_not"];

            var q1    = fti.treeDefinitions["A"].acceptors["q1"];
            var r1    = fti.treeDefinitions["A"].acceptors["r1"];
            var union = fti.treeDefinitions["A"].acceptors["union_q1r1"];



            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);
            //var pgm2 = Parser.ParseFromString(sb.ToString());


            //Assert.IsTrue(q1.Apply(t12).SequenceEqual(union.Apply(t12)));
            // Assert.IsTrue(r1.Apply(t12).SequenceEqual(union.Apply(t12)));
            //Assert.IsTrue(q1.Apply(t1).SequenceEqual(union.Apply(t1)));


            var res1 = new Microsoft.Automata.Sequence <Expr>(r1.Apply(t1));

            Assert.IsTrue(res1.Length == 0);

            var res2 = new Microsoft.Automata.Sequence <Expr>(union.Apply(t1));

            Assert.IsTrue(res2.Length == 1);



            Assert.IsFalse(q1.Apply(t2).SequenceEqual(union.Apply(t2)));


            Assert.IsTrue(r1.Apply(t2).SequenceEqual(union.Apply(t2)));
            Assert.IsTrue(q1.Apply(tnot).SequenceEqual(union.Apply(tnot)));
            Assert.IsTrue(r1.Apply(tnot).SequenceEqual(union.Apply(tnot)));


            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/union.cs", "Microsoft.Fast.Tests.Intersection");
        }
Exemplo n.º 16
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        public void TestComposition()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/compose.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //Assert.IsTrue(fti.treeDefinitions["A"].Transducers.Count == 2);

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());

            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/compose.cs", "Microsoft.Fast.Tests.Composition");
        }
Exemplo n.º 17
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        public void TestChars()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/shiftchars.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.AreEqual <int>(fti.treeDefinitions["STR"].transducers.Count, 1);
            var ta = fti.treeDefinitions["STR"].transducers["caesar1"];

            Assert.AreEqual <int>(2, ta.StateCount);
            var da  = ta.ComputeDomainAcceptor();
            var sfa = da.ConvertToSFA();
            //sfa.ShowGraph();
            var aut = sfa.Concretize(100);
            //sfa.Solver.CharSetProvider.ShowGraph(aut, "test");
        }
Exemplo n.º 18
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        public static TreeTransducer GetFastProg(
            string path)
        {
            var pgm = Microsoft.Fast.Parser.ParseFromFile(path);
            var fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            foreach (var td in fti.treeDefinitions)
            {
                var tcd = td.Value;

                foreach (var pair in tcd.acceptors)
                {
                    return(pair.Value);
                }
            }
            return(null);
        }
Exemplo n.º 19
0
        public void TestDomain()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/domain.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            //Assert.IsTrue(fti.treeDefinitions["A"].trees["t_11"].SequenceEqual(fti.treeDefinitions["A"].trees["t_12"]));
            //Assert.IsTrue(fti.treeDefinitions["A"].trees["t_21"].SequenceEqual(fti.treeDefinitions["A"].trees["t_22"]));

            //StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());

            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/domain.cs", "Microsoft.Fast.Tests.Domain");
        }
Exemplo n.º 20
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        public void TestConstants()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/constants.fast");

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            FastTransducerInstance.DisposeZ3P();

            Assert.IsTrue(pgm.defs.Count == 8);

            StringBuilder sb = new StringBuilder();

            //fti.ToFast(sb);

            //pgm = Parser.ParseFromString(sb.ToString());

            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/constants.cs", "Microsoft.Fast.Tests.Constants");
        }
Exemplo n.º 21
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        public void TestComplement()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/complement.fast");

            //Build transducers
            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            Assert.AreEqual <int>(1, fti.alphabets.Count);
            Assert.AreEqual <int>(1, fti.treeDefinitions.Count);
            Assert.AreEqual <int>(1, fti.queryRes.Count);



            //Compile to fast and back
            //StringBuilder sb = new StringBuilder();
            //fti.ToFast(sb);
            //pgm = Parser.ParseFromString(sb.ToString());
        }
Exemplo n.º 22
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        public void TestFunctions()
        {
            var pgm = Parser.ParseFromFile(srcDirectory + "Fast.Tests/FastSamples/functions.fast");

            Assert.IsTrue(pgm.defs.Count == 6);

            FastTransducerInstance fti = FastTransducerInstance.MkFastTransducerInstance(pgm);

            StringBuilder sb = new StringBuilder();

            fti.ToFast(sb);

            //TBD: ToFast produces code in old prefix notation

            //pgm = Parser.ParseFromString(sb.ToString());

            //bool b = CsharpGenerator.GenerateCode(pgm, "../../../src/Fast.Tests/GeneratedCS/functions.cs", "Microsoft.Fast.Tests.Functions");

            Assert.IsTrue(pgm.defs.Count == 6);
        }
Exemplo n.º 23
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        //Examples generated with params (6,15,1000), (10,12,1000),
        public static void GenerateTAUsingFast(int langRules, int maxSt, int totGen)
        {
            DirectoryInfo detDir   = new DirectoryInfo(pathDet);
            int           fileName = detDir.GetFiles().Length + 1;

            langRulesNumb  = langRules;
            maxStateNum    = maxSt;
            totgenerations = totGen;

            for (seed = 0; seed < totgenerations; seed++)
            {
                Console.WriteLine(seed);
                random   = new Random(seed);
                stateNum = random.Next(4, maxStateNum);
                //Generate one lang
                sbForGen = new StringBuilder();
                GenerateRecognizer();

                var pgm = Microsoft.Fast.Parser.ParseFromString(sbForGen.ToString());
                FastTransducerInstance fti = null;
                try
                {
                    fti = FastTransducerInstance.MkFastTransducerInstance(pgm);
                }
                catch (AutomataException e)
                {
                    fti = null;
                }

                if (fti != null)
                {
                    foreach (var td in fti.treeDefinitions)
                    {
                        var tcd = td.Value;
                        foreach (var acceptor in tcd.acceptors)
                        {
                            var aut = acceptor.Value.Clean();
                            if (aut.IsEmpty)
                            {
                                break;
                            }

                            var tokenSource         = new CancellationTokenSource();
                            CancellationToken token = tokenSource.Token;

                            TreeTransducer detAut = null;

                            var task = Task.Factory.StartNew(() =>
                            {
                                aut.IsDeterminstic();
                                detAut = aut.DeterminizeWithoutCompletion().RemoveUselessStates();
                                Console.WriteLine("done with det no comp");
                            }, token);

                            if (!task.Wait(Program.timeOut, token))
                            {
                                Console.WriteLine("The det Task timed out!");
                            }
                            else
                            {
                                Console.WriteLine("DET:" + detAut.RuleCount);

                                if (detAut.RuleCount < 100000 && detAut.RuleCount > 1)
                                {
                                    var outstring = GetFastProg(detAut, acceptor.Key);
                                    Microsoft.Fast.Parser.ParseFromString(outstring);
                                    using (System.IO.StreamWriter outfile = new System.IO.StreamWriter(pathDet + fileName))
                                    {
                                        outfile.Write(outstring);
                                    }

                                    fileName++;

                                    if (detAut.RuleCount < 5000)
                                    {
                                        TreeTransducer    completeAut = null;
                                        CancellationToken token2      = tokenSource.Token;
                                        var task2 = Task.Factory.StartNew(() =>
                                        {
                                            completeAut = detAut.Complete();
                                            Console.WriteLine("done with det with comp");
                                        }, token2);
                                        if (!task2.Wait(Program.timeOut, token2))
                                        {
                                            Console.WriteLine("The compl Task timed out!");
                                        }
                                        else
                                        {
                                            Console.WriteLine("COM:" + completeAut.RuleCount);
                                            if (completeAut.RuleCount < 100000)
                                            {
                                                outstring = GetFastProg(completeAut, acceptor.Key);
                                                Microsoft.Fast.Parser.ParseFromString(outstring);
                                                using (System.IO.StreamWriter outfile = new System.IO.StreamWriter(pathComp + (fileName - 1)))
                                                {
                                                    outfile.Write(outstring);
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }