Beispiel #1
0
        private void GatherDebuggingInfoFromInsufficiency(IExecutionNode executionNode, TermManager termManager,
                                                          Term condition, TypeEx explorableType)
        {
            var sb = new SafeStringBuilder();

            sb.AppendLine("condition:");
            sb.AppendLine();
            this.tba.ConvertTermToText(new SafeStringWriter(sb), condition, this.ExplorationServices.TermManager);
            sb.AppendLine();
            var swriter = new TermSExpWriter(termManager, new SafeStringWriter(sb), true, false);

            swriter.Write(condition);
            sb.AppendLine();
            sb.AppendLine("location:");
            sb.AppendLine();
            sb.AppendLine(executionNode.CodeLocation.ToString());
            sb.AppendLine();
            sb.AppendLine("properties:");

            Term unnegatedCondition;

            if (termManager.TryGetInnerLogicallyNegatedValue(condition, out unnegatedCondition))
            {
                sb.AppendLine("negated");
            }
            else
            {
                unnegatedCondition = condition;
            }

            var            targetFieldValues = new SafeDictionary <Field, object>();
            Term           left, right;
            BinaryOperator binOp;

            if (termManager.TryGetBinary(unnegatedCondition, out binOp, out left, out right))
            {
                sb.AppendFormat("binary relation: {0}", binOp);
                sb.AppendLine();

                if (!termManager.IsValue(left) && !termManager.IsValue(right))
                {
                    sb.AppendLine("No constant on either left side or right side.");
                    return;
                }

                Term non_constant_term = null;
                Term constant_term     = null;
                if (termManager.IsValue(left))
                {
                    non_constant_term = right;
                    constant_term     = left;
                }
                else if (termManager.IsValue(right))
                {
                    non_constant_term = left;
                    constant_term     = right;
                }

                sb.AppendLine("against constant");
                if (constant_term == null || termManager.IsDefaultValue(constant_term))
                {
                    sb.AppendLine("against default value ('null' for references)");
                }

                int value;
                if (constant_term != null && termManager.TryGetI4Constant(constant_term, out value))
                {
                    sb.AppendLine("against integer: " + value);
                }

                Term           objectValue;
                ObjectProperty objectProperty;
                if (constant_term != null && termManager.TryGetObjectProperty(constant_term, out objectValue, out objectProperty))
                {
                    sb.AppendLine("against object property: object=" + objectValue + ", property=" + objectProperty);
                }

                sb.AppendLine(" involving fields: ");
                SafeDictionary <Field, FieldValueHolder> innerFieldValues;
                SafeList <TypeEx> innerFieldTypes;
                SafeList <Field>  fs = TargetBranchAnalyzer.GetInvolvedFields(this, termManager,
                                                                              non_constant_term, out innerFieldValues, out innerFieldTypes);
                foreach (var f in fs)
                {
                    sb.AppendLine(f.FullName);
                }
            }

            sb.AppendLine("Executed method call sequence");
            if (this.pmd.LastExecutedFactoryMethodCallSequence != null)
            {
                foreach (var m in this.pmd.LastExecutedFactoryMethodCallSequence)
                {
                    sb.AppendLine("\t" + m);
                }
            }

            this.Log.Dump("foo", "insufficiency for " + (explorableType != null ? explorableType.FullName : "?"), sb.ToString());
            return;
        }
        private void GatherDebuggingInfoFromInsufficiency(IExecutionNode executionNode, TermManager termManager, 
            Term condition, TypeEx explorableType)
        {
            var sb = new SafeStringBuilder();
            sb.AppendLine("condition:");
            sb.AppendLine();
            this.tba.ConvertTermToText(new SafeStringWriter(sb), condition, this.ExplorationServices.TermManager);
            sb.AppendLine();
            var swriter = new TermSExpWriter(termManager, new SafeStringWriter(sb), true, false);
            swriter.Write(condition);
            sb.AppendLine();
            sb.AppendLine("location:");
            sb.AppendLine();
            sb.AppendLine(executionNode.CodeLocation.ToString());
            sb.AppendLine();
            sb.AppendLine("properties:");

            Term unnegatedCondition;
            if (termManager.TryGetInnerLogicallyNegatedValue(condition, out unnegatedCondition))
                sb.AppendLine("negated");
            else
                unnegatedCondition = condition;

            var targetFieldValues = new SafeDictionary<Field, object>();
            Term left, right;
            BinaryOperator binOp;
            if (termManager.TryGetBinary(unnegatedCondition, out binOp, out left, out right))
            {
                sb.AppendFormat("binary relation: {0}", binOp);
                sb.AppendLine();

                if (!termManager.IsValue(left) && !termManager.IsValue(right))
                {
                    sb.AppendLine("No constant on either left side or right side.");
                    return;
                }

                Term non_constant_term = null;
                Term constant_term = null;
                if (termManager.IsValue(left))
                {
                    non_constant_term = right;
                    constant_term = left;
                }
                else if (termManager.IsValue(right))
                {
                    non_constant_term = left;
                    constant_term = right;
                }

                sb.AppendLine("against constant");
                if (constant_term == null || termManager.IsDefaultValue(constant_term))
                {
                    sb.AppendLine("against default value ('null' for references)");
                }

                int value;
                if (constant_term != null && termManager.TryGetI4Constant(constant_term, out value))
                {
                    sb.AppendLine("against integer: " + value);
                }

                Term objectValue;
                ObjectProperty objectProperty;
                if (constant_term != null && termManager.TryGetObjectProperty(constant_term, out objectValue, out objectProperty))
                {
                    sb.AppendLine("against object property: object=" + objectValue + ", property=" + objectProperty);
                }

                sb.AppendLine(" involving fields: ");
                SafeDictionary<Field, FieldValueHolder> innerFieldValues;
                SafeList<TypeEx> innerFieldTypes;
                SafeList<Field> fs = TargetBranchAnalyzer.GetInvolvedFields(this, termManager,
                    non_constant_term, out innerFieldValues, out innerFieldTypes);
                foreach (var f in fs)
                {
                    sb.AppendLine(f.FullName);
                }
            }

            sb.AppendLine("Executed method call sequence");
            if(this.pmd.LastExecutedFactoryMethodCallSequence != null)
                foreach (var m in this.pmd.LastExecutedFactoryMethodCallSequence)
                {
                    sb.AppendLine("\t" + m);
                }

            this.Log.Dump("foo", "insufficiency for " + (explorableType != null ? explorableType.FullName : "?"), sb.ToString());
            return;
        }
Beispiel #3
0
        /// <summary>
        /// OBSOLETE: Handles a scenario where there is a term in the condition
        /// </summary>
        /// <param name="left"></param>
        /// <param name="right"></param>
        /// <param name="binOp"></param>
        /// <param name="fmt"></param>
        private void handleAConstantInTerm(TermManager termManager, Term left, Term right,
                                           BinaryOperator binOp, bool bNegated, SafeDictionary <Field, FieldValueHolder> fieldValues, Field culpritField,
                                           out FieldModificationType fmt, out int fitnessval)
        {
            fitnessval = Int32.MaxValue;
            fmt        = FieldModificationType.UNKNOWN;
            Term non_constant_term = null;
            Term constant_term     = null;

            bool bleftRightMaintainted = true;

            if (termManager.IsValue(left))
            {
                non_constant_term     = right;
                constant_term         = left;
                bleftRightMaintainted = true;
            }
            else if (termManager.IsValue(right))
            {
                non_constant_term     = left;
                constant_term         = right;
                bleftRightMaintainted = false;
            }

            int value;

            if (termManager.TryGetI4Constant(constant_term, out value))
            {
                fmt = FieldModificationType.INCREMENT;

                FieldValueHolder fvh;
                if (fieldValues.TryGetValue(culpritField, out fvh))
                {
                    int non_constant_field_value = fvh.intValue;    //TODO: Assuming that the fieldType is Int32
                    if (bleftRightMaintainted)
                    {
                        fitnessval = FitnessMeasure.ComputeFitnessValue(this.host, binOp, value, non_constant_field_value, bNegated);
                    }
                    else
                    {
                        fitnessval = FitnessMeasure.ComputeFitnessValue(this.host, binOp, non_constant_field_value, value, bNegated);
                    }
                }
                else
                {
                    this.host.Log.LogWarning(WikiTopics.MissingWikiTopic, "fitness measure",
                                             "Failed to retrieve value for field " + culpritField.ToString());
                }
            }
            else if (termManager.IsDefaultValue(constant_term))
            {
                if (binOp == BinaryOperator.Ceq)
                {
                    if (culpritField.Type.ToString() == "System.Boolean")
                    {
                        fmt = bNegated ? FieldModificationType.TRUE_SET : FieldModificationType.FALSE_SET;
                    }
                    else
                    {
                        fmt = bNegated ? FieldModificationType.NON_NULL_SET : FieldModificationType.NULL_SET;
                    }
                }
            }

            Term           objectValue;
            ObjectProperty objectProperty;

            if (termManager.TryGetObjectProperty(constant_term, out objectValue, out objectProperty))
            {
                //TODO??? How to handle this scenario?
            }
        }
        /// <summary>
        /// OBSOLETE: Handles a scenario where there is a term in the condition
        /// </summary>
        /// <param name="left"></param>
        /// <param name="right"></param>
        /// <param name="binOp"></param>
        /// <param name="fmt"></param>
        private void handleAConstantInTerm(TermManager termManager, Term left, Term right,
            BinaryOperator binOp, bool bNegated, SafeDictionary<Field, FieldValueHolder> fieldValues, Field culpritField,
            out FieldModificationType fmt, out int fitnessval)
        {
            fitnessval = Int32.MaxValue;
            fmt = FieldModificationType.UNKNOWN;
            Term non_constant_term = null;
            Term constant_term = null;

            bool bleftRightMaintainted = true;
            if (termManager.IsValue(left))
            {
                non_constant_term = right;
                constant_term = left;
                bleftRightMaintainted = true;
            }
            else if (termManager.IsValue(right))
            {
                non_constant_term = left;
                constant_term = right;
                bleftRightMaintainted = false;
            }

            int value;
            if (termManager.TryGetI4Constant(constant_term, out value))
            {
                fmt = FieldModificationType.INCREMENT;

                FieldValueHolder fvh;
                if (fieldValues.TryGetValue(culpritField, out fvh))
                {
                    int non_constant_field_value = fvh.intValue;    //TODO: Assuming that the fieldType is Int32
                    if (bleftRightMaintainted)
                        fitnessval = FitnessMeasure.ComputeFitnessValue(this.host, binOp, value, non_constant_field_value, bNegated);
                    else
                        fitnessval = FitnessMeasure.ComputeFitnessValue(this.host, binOp, non_constant_field_value, value, bNegated);
                }
                else
                    this.host.Log.LogWarning(WikiTopics.MissingWikiTopic, "fitness measure",
                        "Failed to retrieve value for field " + culpritField.ToString());
            }
            else if (termManager.IsDefaultValue(constant_term))
            {
                if (binOp == BinaryOperator.Ceq)
                {
                    if (culpritField.Type.ToString() == "System.Boolean")
                    {
                        fmt = bNegated ? FieldModificationType.TRUE_SET : FieldModificationType.FALSE_SET;
                    }
                    else
                        fmt = bNegated ? FieldModificationType.NON_NULL_SET : FieldModificationType.NULL_SET;
                }
            }

            Term objectValue;
            ObjectProperty objectProperty;
            if (termManager.TryGetObjectProperty(constant_term, out objectValue, out objectProperty))
            {
                //TODO??? How to handle this scenario?
            }
        }