/// <inheritdoc /> public override void VisitAnyScalarValue(AnyScalarValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; default: result = LogicalOperation.AbstractLogical(OutSet, operation); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { break; } base.VisitAnyScalarValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyScalarValue(AnyScalarValue value) { result = Comparison.AbstractCompare(OutSet, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer return; } result = ArithmeticOperation.AbstractFloatArithmetic(Snapshot, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer // Ommitted error report that array is unsupported operand in arithmetic operation return; } result = LogicalOperation.AbstractLogical(OutSet, operation); if (result != null) { return; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer return; } base.VisitAnyScalarValue(value); }
/// <inheritdoc /> public override void VisitAnyResourceValue(AnyResourceValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; case Operations.Mod: result = ModuloOperation.AbstractModulo(flow); break; default: result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // Bitwise operation with resource can give any integer break; } base.VisitAnyResourceValue(value); break; } }
/// <inheritdoc /> public override void VisitGenericNumericValue <T>(NumericValue <T> value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; default: result = Comparison.AbstractCompare(OutSet, operation); if (result != null) { break; } // If the left operand can not be recognized, result can be any integer value. result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { break; } base.VisitGenericNumericValue(value); break; } }
/// <inheritdoc /> public override void VisitAssociativeArray(AssociativeArray value) { result = Comparison.RightAlwaysGreater(OutSet, operation); if (result != null) { return; } result = LogicalOperation.Logical(OutSet, operation, leftOperand, TypeConversion.ToNativeBoolean(Snapshot, value)); if (result != null) { return; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { return; } if (ArithmeticOperation.IsArithmetic(operation)) { // TODO: This must be fatal error SetWarning("Unsupported operand type: Arithmetic of array and numeric type"); result = OutSet.AnyValue; return; } base.VisitAssociativeArray(value); }
/// <inheritdoc /> public override void VisitBooleanValue(BooleanValue value) { switch (operation) { case Operations.Mod: result = ModuloOperation.ModuloByBooleanValue(flow, value.Value); break; default: var leftBoolean = TypeConversion.ToNativeBoolean(Snapshot, leftOperand); result = Comparison.Compare(OutSet, operation, leftBoolean, value.Value); if (result != null) { break; } result = LogicalOperation.Logical(OutSet, operation, leftBoolean, value.Value); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation, TypeConversion.ToNativeInteger(Snapshot, leftOperand), TypeConversion.ToInteger(value.Value)); if (result != null) { break; } base.VisitBooleanValue(value); break; } }
/// <inheritdoc /> public override void VisitAssociativeArray(AssociativeArray value) { switch (operation) { case Operations.Mod: result = ModuloOperation.Modulo(flow, leftOperand.Value, TypeConversion.ToNativeInteger(Snapshot, value)); break; default: result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand.Value), TypeConversion.ToNativeBoolean(Snapshot, value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation, leftOperand.Value, TypeConversion.ToNativeInteger(Snapshot, value)); if (result != null) { break; } base.VisitAssociativeArray(value); break; } }
/// <inheritdoc /> public override void VisitBooleanValue(BooleanValue value) { var leftBoolean = TypeConversion.ToBoolean(leftOperand.Value); result = Comparison.Compare(OutSet, operation, leftBoolean, value.Value); if (result != null) { return; } var rightInteger = TypeConversion.ToInteger(value.Value); result = ArithmeticOperation.Arithmetic(flow, operation, leftOperand.Value, rightInteger); if (result != null) { return; } result = LogicalOperation.Logical(OutSet, operation, leftBoolean, value.Value); if (result != null) { return; } result = BitwiseOperation.Bitwise(OutSet, operation, leftOperand.Value, rightInteger); if (result != null) { return; } base.VisitBooleanValue(value); }
/// <inheritdoc /> public override void VisitAnyValue(AnyValue value) { switch (operation) { case Operations.Identical: case Operations.NotIdentical: result = OutSet.AnyBooleanValue; break; case Operations.Mod: // Ommitted warning message that object cannot be converted to integer result = ModuloOperation.AbstractModulo(flow); break; default: result = ArithmeticOperation.AbstractFloatArithmetic(Snapshot, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer // Ommitted error report that array is unsupported operand in arithmetic operation break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer break; } base.VisitAnyValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyArrayValue(AnyArrayValue value) { switch (operation) { case Operations.Mod: result = ModuloOperation.AbstractModulo(flow); break; default: result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { break; } if (ArithmeticOperation.IsArithmetic(operation)) { // TODO: This must be fatal error SetWarning("Unsupported operand type: Arithmetic of array and scalar type"); result = OutSet.AnyValue; break; } base.VisitAnyArrayValue(value); break; } }
/// <inheritdoc /> public override void VisitGenericIntervalValue <T>(IntervalValue <T> value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; default: result = Comparison.LeftAlwaysGreater(OutSet, operation); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { break; } base.VisitGenericIntervalValue(value); break; } }
/// <inheritdoc /> public override void VisitStringValue(StringValue value) { switch (operation) { case Operations.Mod: result = ModuloOperation.Modulo(flow, TypeConversion.ToNativeInteger(Snapshot, leftOperand), value.Value); break; default: result = Comparison.LeftAlwaysGreater(OutSet, operation); if (result != null) { break; } var leftBoolean = TypeConversion.ToNativeBoolean(Snapshot, leftOperand); var rightBoolean = TypeConversion.ToBoolean(value.Value); result = LogicalOperation.Logical(OutSet, operation, leftBoolean, rightBoolean); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation, TypeConversion.ToNativeInteger(Snapshot, leftOperand), value.Value); if (result == null) { base.VisitStringValue(value); } break; } }
/// <inheritdoc /> public override void VisitAnyScalarValue(AnyScalarValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; default: result = LogicalOperation.AbstractLogical(OutSet, operation, TypeConversion.ToBoolean(leftOperand)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { SetWarning("Object cannot be converted to integer by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitAnyScalarValue(value); break; } }
/// <inheritdoc /> public override void VisitAssociativeArray(AssociativeArray value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; case Operations.Mod: SetWarning("Object cannot be converted to integer by modulo operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.LeftAlwaysGreater(OutSet, operation); if (result != null) { break; } if (ArithmeticOperation.IsArithmetic(operation)) { SetWarning("Object cannot be converted to integer by arithmetic operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); // TODO: This must be fatal error SetWarning("Unsupported operand type: Arithmetic of array and object type"); result = OutSet.AnyValue; break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand), TypeConversion.ToNativeBoolean(Snapshot, value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { SetWarning("Object cannot be converted to integer by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitAssociativeArray(value); break; } }
/// <inheritdoc /> public override void VisitScalarValue(ScalarValue value) { result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { return; } base.VisitScalarValue(value); }
/// <inheritdoc /> public override void VisitGenericIntervalValue <T>(IntervalValue <T> value) { result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // It is too complicated to represend result of bitwise operation with interval return; } base.VisitGenericIntervalValue(value); }
/// <inheritdoc /> public override void VisitAnyValue(AnyValue value) { switch (operation) { case Operations.Identical: case Operations.NotIdentical: result = OutSet.AnyBooleanValue; break; case Operations.Mod: // Ommitted warning message that object cannot be converted to integer SetWarning("Object cannot be converted to integer by modulo operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.AbstractCompare(OutSet, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer break; } result = ArithmeticOperation.AbstractFloatArithmetic(Snapshot, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer // Ommitted error report that array is unsupported operand in arithmetic operation SetWarning("Object cannot be converted to integer by arithmetic operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } result = LogicalOperation.AbstractLogical(OutSet, operation, TypeConversion.ToBoolean(leftOperand)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // Ommitted warning message that object cannot be converted to integer SetWarning("Object cannot be converted to integer by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitAnyValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyResourceValue(AnyResourceValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; case Operations.Mod: result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.LeftAlwaysGreater(OutSet, operation); if (result != null) { break; } result = ArithmeticOperation.AbstractIntegerArithmetic(flow, operation); if (result != null) { // Arithmetic objects and resources is nonsence SetWarning("Object cannot be converted to integer by arithmetic operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand), TypeConversion.ToBoolean(value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // Bitwise operation with resource can give any integer SetWarning("Object cannot be converted to integer by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitAnyResourceValue(value); break; } }
/// <inheritdoc /> public override void VisitObjectValue(ObjectValue value) { switch (operation) { case Operations.Identical: case Operations.NotIdentical: // TODO: Compare if two objects are the same instances of the same class result = OutSet.AnyBooleanValue; break; case Operations.Mod: SetWarning("Both objects cannot be converted to integers by modulo operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); result = ModuloOperation.AbstractModulo(flow); break; default: if (Comparison.IsOperationComparison(operation)) { // TODO: Two object instances are equal if they have the same attributes // and their values, and are instances of the same class. result = OutSet.AnyBooleanValue; break; } result = ArithmeticOperation.AbstractIntegerArithmetic(flow, operation); if (result != null) { SetWarning("Both objects cannot be converted to integers by arithmetic operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand), TypeConversion.ToBoolean(value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { SetWarning("Both objects cannot be converted to integers by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitObjectValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyObjectValue(AnyObjectValue value) { switch (operation) { case Operations.Identical: case Operations.NotIdentical: // It cannot be decided if they are identical or not. result = OutSet.AnyBooleanValue; break; case Operations.Mod: SetWarning("Object cannot be converted to integer by modulo operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.AbstractCompare(OutSet, operation); if (result != null) { break; } result = ArithmeticOperation.AbstractIntegerArithmetic(flow, operation); if (result != null) { SetWarning("Both objects cannot be converted to integers by arithmetic operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand), TypeConversion.ToBoolean(value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { SetWarning("Both objects cannot be converted to integers by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitAnyObjectValue(value); break; } }
/// <inheritdoc /> public override void VisitFloatValue(FloatValue value) { switch (operation) { case Operations.Identical: SetWarning("Comparing floating-point numbers directly for equality"); result = OutSet.CreateBool(leftOperand.Value == value.Value); break; case Operations.NotIdentical: SetWarning("Comparing floating-point numbers directly for non-equality"); result = OutSet.CreateBool(leftOperand.Value != value.Value); break; case Operations.Mod: result = ModuloOperation.Modulo(flow, leftOperand.Value, value.Value); break; default: result = Comparison.Compare(OutSet, operation, leftOperand.Value, value.Value); if (result != null) { break; } result = ArithmeticOperation.Arithmetic(flow, operation, leftOperand.Value, value.Value); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation, leftOperand.Value, value.Value); if (result != null) { break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand.Value), TypeConversion.ToBoolean(value.Value)); if (result != null) { break; } base.VisitFloatValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyArrayValue(AnyArrayValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; case Operations.Mod: result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.RightAlwaysGreater(OutSet, operation); if (result != null) { break; } result = LogicalOperation.AbstractLogical(OutSet, operation, TypeConversion.ToBoolean(leftOperand)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { break; } if (ArithmeticOperation.IsArithmetic(operation)) { // TODO: This must be fatal error SetWarning("Unsupported operand type: Arithmetic of array and object type"); result = OutSet.AnyValue; break; } base.VisitAnyArrayValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyScalarValue(AnyScalarValue value) { result = Comparison.AbstractCompare(OutSet, operation); if (result != null) { return; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { return; } base.VisitAnyScalarValue(value); }
/// <inheritdoc /> public override void VisitAnyScalarValue(AnyScalarValue value) { result = LogicalOperation.AbstractLogical(OutSet, operation, leftOperand); if (result != null) { return; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { return; } base.VisitAnyScalarValue(value); }
/// <inheritdoc /> public override void VisitAnyResourceValue(AnyResourceValue value) { switch (operation) { case Operations.Identical: case Operations.NotIdentical: result = OutSet.AnyBooleanValue; break; case Operations.Mod: result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.AbstractCompare(OutSet, operation); if (result != null) { // Comapring of resource and integer makes no sence. break; } result = ArithmeticOperation.AbstractIntegerArithmetic(flow, operation); if (result != null) { // Arithmetic with resources is nonsence break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand), TypeConversion.ToBoolean(value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { // Bitwise operation with resource can give any integer break; } base.VisitAnyResourceValue(value); break; } }
/// <inheritdoc /> public override void VisitIntegerValue(IntegerValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(leftOperand.Value == value.Value); break; case Operations.NotIdentical: result = OutSet.CreateBool(leftOperand.Value != value.Value); break; case Operations.Mod: result = ModuloOperation.Modulo(flow, leftOperand.Value, value.Value); break; default: result = Comparison.Compare(OutSet, operation, leftOperand.Value, value.Value); if (result != null) { break; } result = ArithmeticOperation.Arithmetic(flow, operation, leftOperand.Value, value.Value); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation, leftOperand.Value, value.Value); if (result != null) { break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToBoolean(leftOperand.Value), TypeConversion.ToBoolean(value.Value)); if (result != null) { break; } base.VisitIntegerValue(value); break; } }
/// <inheritdoc /> public override void VisitAssociativeArray(AssociativeArray value) { switch (operation) { case Operations.Identical: case Operations.NotIdentical: // TODO: They must be the same and indices must be in the same order result = OutSet.AnyBooleanValue; break; case Operations.Mod: result = ModuloOperation.Modulo(flow, TypeConversion.ToNativeInteger(Snapshot, leftOperand), TypeConversion.ToNativeInteger(Snapshot, value)); break; default: if (Comparison.IsOperationComparison(operation)) { // TODO: We compare arrays first by the number of elements and second // if key from left operand is not found in right operand then arrays are // uncomparable, otherwise we compare value by value result = OutSet.AnyBooleanValue; break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToNativeBoolean(Snapshot, leftOperand), TypeConversion.ToNativeBoolean(Snapshot, value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation, TypeConversion.ToNativeInteger(Snapshot, leftOperand), TypeConversion.ToNativeInteger(Snapshot, value)); if (result != null) { break; } base.VisitAssociativeArray(value); break; } }
/// <inheritdoc /> public override void VisitAnyObjectValue(AnyObjectValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; case Operations.Mod: SetWarning("Object cannot be converted to integer by modulo operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); result = ModuloOperation.AbstractModulo(flow); break; default: result = Comparison.RightAlwaysGreater(OutSet, operation); if (result != null) { break; } result = LogicalOperation.Logical(OutSet, operation, TypeConversion.ToNativeBoolean(Snapshot, leftOperand), TypeConversion.ToBoolean(value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { SetWarning("Object cannot be converted to integer by bitwise operation", AnalysisWarningCause.OBJECT_CONVERTED_TO_INTEGER); break; } base.VisitAnyObjectValue(value); break; } }
/// <inheritdoc /> public override void VisitAnyBooleanValue(AnyBooleanValue value) { switch (operation) { case Operations.Identical: result = OutSet.CreateBool(false); break; case Operations.NotIdentical: result = OutSet.CreateBool(true); break; default: result = Comparison.RightAbstractBooleanCompare(OutSet, operation, TypeConversion.ToBoolean(leftOperand.Value)); if (result != null) { break; } result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { break; } int integerValue; double floatValue; bool isInteger; TypeConversion.TryConvertToNumber(leftOperand.Value, true, out integerValue, out floatValue, out isInteger); result = isInteger ? ArithmeticOperation.RightAbstractBooleanArithmetic(flow, operation, integerValue) : ArithmeticOperation.RightAbstractBooleanArithmetic(flow, operation, floatValue); if (result != null) { break; } base.VisitAnyBooleanValue(value); break; } }
/// <inheritdoc /> public override void VisitAssociativeArray(AssociativeArray value) { result = BitwiseOperation.Bitwise(OutSet, operation); if (result != null) { return; } if (ArithmeticOperation.IsArithmetic(operation)) { // TODO: This must be fatal error SetWarning("Unsupported operand type: Arithmetic of array and scalar type"); result = OutSet.AnyValue; return; } base.VisitAssociativeArray(value); }