Exemplo n.º 1
0
    private void AssertRuleDoesNotMatchCondtitional(
        string ruleText,
        int[] sourceSymbols        = null,
        float[][] sourceParameters = null,
        string axiom = null,
        int ruleParamMemoryStartIndex = 0,
        int matchIndex            = 0,
        int paramTempMemorySize   = 0,
        float[] globalParams      = null,
        string[] globalParamNames = null,
        string includedSymbols    = "[]ABCDE"
        )
    {
        var totalIncluded = new HashSet <int>(includedSymbols.Select(x => (int)x));

        globalParamNames  = globalParamNames ?? new string[0];
        using var symbols = new DependencyTracker <SymbolString <float> >(
                  axiom == null ?
                  new SymbolString <float>(sourceSymbols, sourceParameters)
            : SymbolString <float> .FromString(axiom, Allocator.Persistent)
                  );
        var ruleFromString = new BasicRule(
            RuleParser.ParseToRule(ruleText, x => x, globalParameters: globalParamNames),
            '[', ']');

        using var ruleNativeData = new SystemLevelRuleNativeData(new[] { ruleFromString });
        var nativeWriter = new SymbolSeriesMatcherNativeDataWriter();

        ruleFromString.WriteDataIntoMemory(ruleNativeData, nativeWriter);

        globalParams           = globalParams ?? new float[0];
        using var globalNative = new NativeArray <float>(globalParams, Allocator.Persistent);

        using var paramMemory = new NativeArray <float>(paramTempMemorySize, Allocator.Persistent);
        using var branchCache = new SymbolStringBranchingCache('[', ']', new[] { totalIncluded }, ruleNativeData);
        branchCache.BuildJumpIndexesFromSymbols(symbols);
        var random          = new Unity.Mathematics.Random();
        var matchSingleData = new LSystemSingleSymbolMatchData
        {
            isTrivial = false,
            tmpParameterMemorySpace = JaggedIndexing.GetWithNoLength(ruleParamMemoryStartIndex)
        };

        var potentialMatch = ruleFromString.AsBlittable().PreMatchCapturedParametersWithoutConditional(
            branchCache,
            symbols.Data,
            matchIndex,
            paramMemory,
            matchSingleData.tmpParameterMemorySpace.index,
            ref matchSingleData,
            new TmpNativeStack <SymbolStringBranchingCache.BranchEventData>(5),
            globalNative,
            ruleNativeData.dynamicOperatorMemory,
            ref random,
            ruleNativeData.ruleOutcomeMemorySpace
            );

        Assert.IsFalse(potentialMatch);
    }
 public void FindsBranchForwardLinksCorrectlyWhenBranchingAtSameIndexAsCharacterCodeForBranchingSymbol()
 {
     using var targetString   = new DependencyTracker <SymbolString <float> >(SymbolString <float> .FromString("[&E][&&E]&EEEE[&[EE]E][&&[EE]E]&EEEE[&[EEEE]EE][&&[EEEE]EE]&EEEA[&[EEEEEE]E[E]E[E]][&&[EEEEEE]E[E]E[E]]"));
     using var branchingCache = new SymbolStringBranchingCache('[', ']', new SystemLevelRuleNativeData());
     branchingCache.BuildJumpIndexesFromSymbols(targetString);
     Assert.AreEqual(64, branchingCache.FindOpeningBranchIndexReadonly(82));
     Assert.AreEqual(86, branchingCache.FindOpeningBranchIndexReadonly(93));
 }
 public void FindsClosingBranchLinks()
 {
     using var targetString   = new DependencyTracker <SymbolString <float> >(SymbolString <float> .FromString("A[AA]AAA[A[AAA[A]]]A"));
     using var branchingCache = new SymbolStringBranchingCache('[', ']', new SystemLevelRuleNativeData());
     branchingCache.BuildJumpIndexesFromSymbols(targetString);
     Assert.AreEqual(4, branchingCache.FindClosingBranchIndexReadonly(1));
     Assert.AreEqual(17, branchingCache.FindClosingBranchIndexReadonly(10));
     Assert.AreEqual(18, branchingCache.FindClosingBranchIndexReadonly(8));
 }
Exemplo n.º 4
0
        public SymbolString <float> GetAxiom(Allocator allocator = Allocator.Persistent)
        {
            if (!fileIndexesByFullIdentifier.ContainsKey(originFile))
            {
                throw new LinkException(LinkExceptionType.BAD_ORIGIN_FILE, $"could not find origin file '{originFile}'");
            }
            var originFileData = allFiles.data[fileIndexesByFullIdentifier[originFile]];

            return(SymbolString <float> .FromString(originFileData.axiom, allocator, chr => originFileData.GetSymbolInFile(chr)));
        }
    private void AssertBackwardsMatch(
        string target,
        string matcher,
        bool shouldMatch,
        string includeSymbols              = "[]ABCDEFJ",
        int parameterMemorySize            = 10,
        float[] expectedCapturedParameters = null,
        int indexInTarget = -1)
    {
        var includedSymbolSet = includeSymbols.Select(x => (int)x);

        var prefixBuilder = SymbolSeriesPrefixBuilder.Parse(matcher);

        using var nativeData = new SystemLevelRuleNativeData(new RuleDataRequirements
        {
            prefixNodes = prefixBuilder.RequiredNodeMemorySpace
        });
        var writer = new SymbolSeriesMatcherNativeDataWriter();

        var seriesMatcher = prefixBuilder.BuildIntoManagedMemory(nativeData, writer);

        using var targetString   = new DependencyTracker <SymbolString <float> >(SymbolString <float> .FromString(target));
        using var branchingCache = new SymbolStringBranchingCache(
                  '[', ']',
                  includedSymbolSet == null ? new HashSet <int> [0] : new[] { new HashSet <int>(includedSymbolSet) },
                  nativeData);
        branchingCache.BuildJumpIndexesFromSymbols(targetString);
        using var parameterMemory = new NativeArray <float>(parameterMemorySize, Allocator.Persistent);


        var realIndex  = indexInTarget < 0 ? indexInTarget + targetString.Data.Length : indexInTarget;
        var hasMatched = branchingCache.MatchesBackwards(
            branchingCache.includeSymbols[0],
            realIndex,
            seriesMatcher,
            targetString.Data,
            0,
            parameterMemory,
            out var copiedParams);

        if (shouldMatch != hasMatched)
        {
            Assert.Fail($"Expected '{matcher}' to {(shouldMatch ? "" : "not ")}match backwards from {indexInTarget} in '{target}'");
        }
        if (shouldMatch && expectedCapturedParameters != null)
        {
            Assert.AreEqual(expectedCapturedParameters.Length, copiedParams);
            for (int i = 0; i < expectedCapturedParameters.Length; i++)
            {
                Assert.AreEqual(expectedCapturedParameters[i], parameterMemory[i]);
            }
        }
    }
Exemplo n.º 6
0
    public void SymbolStringConstructorConvertsToInts()
    {
        var symbolFromString = SymbolString <float> .FromString("AABA");

        var convertedSymbols = symbolFromString.symbols;

        Assert.AreEqual(convertedSymbols[0], 65);
        Assert.AreEqual(convertedSymbols[1], 65);
        Assert.AreEqual(convertedSymbols[2], 66);
        Assert.AreEqual(convertedSymbols[3], 65);
        symbolFromString.Dispose();
    }
    private void AssertForwardsMatch(
        string target,
        string matcher,
        bool shouldMatch                   = true,
        int indexInTarget                  = 0,
        int parameterMemorySize            = 10,
        float[] expectedCapturedParameters = null,
        string message        = null,
        string includeSymbols = "[]ABCDEFGJKZ")
    {
        var seriesMatcher = SymbolSeriesGraphTests.GenerateSingleMatcher(matcher, out var nativeData);

        using var nativeDataDisposable = nativeData;
        using var targetString         = new DependencyTracker <SymbolString <float> >(SymbolString <float> .FromString(target));
        using var branchingCache       = new SymbolStringBranchingCache(
                  '[', ']',
                  includeSymbols == null ? new HashSet <int> [0] : new[] { new HashSet <int>(includeSymbols.Select(x => (int)x)) },
                  nativeDataDisposable);
        branchingCache.BuildJumpIndexesFromSymbols(targetString);
        using var parameterMemory = new NativeArray <float>(parameterMemorySize, Allocator.Persistent);

        var matches = branchingCache.MatchesForward(
            branchingCache.includeSymbols[0],
            indexInTarget,
            seriesMatcher,
            targetString.Data,
            0,
            parameterMemory,
            out var copiedParams,
            new TmpNativeStack <SymbolStringBranchingCache.BranchEventData>(5));

        if (shouldMatch != matches)
        {
            Assert.Fail($"Expected '{matcher}' to {(shouldMatch ? "" : "not ")}match forwards retaining order from {indexInTarget} in '{target}'{(message == null ? "" : '\n' + message)}");
        }
        if (shouldMatch && expectedCapturedParameters != null)
        {
            Assert.AreEqual(expectedCapturedParameters.Length, copiedParams, "captured parameter length mismatch");
            for (int i = 0; i < expectedCapturedParameters.Length; i++)
            {
                Assert.AreEqual(expectedCapturedParameters[i], parameterMemory[i]);
            }
        }
    }
Exemplo n.º 8
0
 public DefaultLSystemState(string axiom, uint seed = 1)
 {
     currentSymbols = new DependencyTracker <SymbolString <float> >(SymbolString <float> .FromString(axiom));
     randomProvider = new Unity.Mathematics.Random(seed);
 }