static OperatorCache()
{
Add = GetOperator <T, T>(Operators.Add);
Subtract = GetOperator <T, T>(Operators.Subtract);
Divide = GetOperator <T, T>(Operators.Divide);
Multiply = GetOperator <T, T>(Operators.Multiply);
}
protected OperatorImplementation AddBinary(ExpressionType op, Type commonType,
BinaryOperatorMethod binaryMethod, UnaryOperatorMethod resultConverter) {
var key = new OperatorDispatchKey(op, commonType, commonType);
var impl = new OperatorImplementation(key, commonType, binaryMethod, null, null, resultConverter);
OperatorImplementations[key] = impl;
return impl;
}
protected void AddImplementation(string op, Type baseType, BinaryOperatorMethod baseMethod, TypeConverter resultConverter)
{
var key = OperatorDispatchKey.CreateFromTypes(op, baseType, baseType);
var imp = new OperatorImplementation(key, baseType, baseMethod, null, null, resultConverter);
_baseOperatorImplementations.Add(key, imp);
}
public LiftedBinaryOperatorMethod(CSharpOperators operators, BinaryOperatorMethod baseMethod)
: base(operators.compilation)
{
this.baseMethod = baseMethod;
this.ReturnType = NullableType.Create(operators.compilation, baseMethod.ReturnType);
this.Parameters.Add(operators.MakeNullableParameter(baseMethod.Parameters[0]));
this.Parameters.Add(operators.MakeNullableParameter(baseMethod.Parameters[1]));
}
protected OperatorImplementation AddBinary(ExpressionType op, Type commonType,
BinaryOperatorMethod binaryMethod, UnaryOperatorMethod resultConverter)
{
var key = new OperatorDispatchKey(op, commonType, commonType);
var impl = new OperatorImplementation(key, commonType, binaryMethod, null, null, resultConverter);
OperatorImplementations[key] = impl;
return(impl);
}
public OperatorImplementation(OperatorDispatchKey key, Type type, UnaryOperatorMethod method)
{
Key = key;
CommonType = type;
Arg1Converter = method;
Arg2Converter = null;
ResultConverter = null;
BaseBinaryMethod = null;
}
public OperatorImplementation(OperatorDispatchKey key, Type baseType, BinaryOperatorMethod baseMethod,
TypeConverter arg1Converter, TypeConverter arg2Converter, TypeConverter resultConverter)
{
Key = key;
BaseType = baseType;
Arg1Converter = arg1Converter;
Arg2Converter = arg2Converter;
ResultConverter = resultConverter;
BaseMethod = baseMethod;
SetupEvaluationMethod();
}
public OperatorImplementation(OperatorDispatchKey key, Type resultType, BinaryOperatorMethod baseBinaryMethod,
UnaryOperatorMethod arg1Converter, UnaryOperatorMethod arg2Converter, UnaryOperatorMethod resultConverter)
{
Key = key;
CommonType = resultType;
Arg1Converter = arg1Converter;
Arg2Converter = arg2Converter;
ResultConverter = resultConverter;
BaseBinaryMethod = baseBinaryMethod;
SetupEvaluationMethod();
}
protected OperatorImplementation AddBinaryBoxed(ExpressionType op, Type baseType,
BinaryOperatorMethod boxedBinaryMethod, BinaryOperatorMethod noBoxMethod) {
// first create implementation without boxing
var noBoxImpl = AddBinary(op, baseType, noBoxMethod);
if (!SmartBoxingEnabled)
return noBoxImpl;
//The boxedImpl will overwrite noBoxImpl in the dictionary
var boxedImpl = AddBinary(op, baseType, boxedBinaryMethod);
boxedImpl.NoBoxImplementation = noBoxImpl;
return boxedImpl;
}
public void SetupEvaluationMethod()
{
if (BaseBinaryMethod == null)
{
//special case - it is unary method, the method itself in Arg1Converter; LanguageRuntime.ExecuteUnaryOperator will handle this properly
return;
}
// Binary operator
if (ResultConverter == null)
{
//without ResultConverter
if (Arg1Converter == null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvNone;
}
else if (Arg1Converter != null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvLeft;
}
else if (Arg1Converter == null && Arg2Converter != null)
{
EvaluateBinary = EvaluateConvRight;
}
else // if (Arg1Converter != null && arg2Converter != null)
{
EvaluateBinary = EvaluateConvBoth;
}
}
else
{
//with result converter
if (Arg1Converter == null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvNoneConvResult;
}
else if (Arg1Converter != null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvLeftConvResult;
}
else if (Arg1Converter == null && Arg2Converter != null)
{
EvaluateBinary = EvaluateConvRightConvResult;
}
else // if (Arg1Converter != null && Arg2Converter != null)
{
EvaluateBinary = EvaluateConvBothConvResult;
}
}
}
public void SetupEvaluationMethod()
{
if (BaseBinaryMethod == null)
{
return;
}
// Binary operator
if (ResultConverter == null)
{
//without ResultConverter
if (Arg1Converter == null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvNone;
}
else if (Arg1Converter != null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvLeft;
}
else if (Arg1Converter == null && Arg2Converter != null)
{
EvaluateBinary = EvaluateConvRight;
}
else // if (Arg1Converter != null && arg2Converter != null)
{
EvaluateBinary = EvaluateConvBoth;
}
}
else
{
//with result converter
if (Arg1Converter == null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvNoneConvResult;
}
else if (Arg1Converter != null && Arg2Converter == null)
{
EvaluateBinary = EvaluateConvLeftConvResult;
}
else if (Arg1Converter == null && Arg2Converter != null)
{
EvaluateBinary = EvaluateConvRightConvResult;
}
else // if (Arg1Converter != null && Arg2Converter != null)
{
EvaluateBinary = EvaluateConvBothConvResult;
}
}
}
protected OperatorImplementation AddBinaryBoxed(ExpressionType op, Type baseType,
BinaryOperatorMethod boxedBinaryMethod, BinaryOperatorMethod noBoxMethod)
{
// first create implementation without boxing
var noBoxImpl = AddBinary(op, baseType, noBoxMethod);
if (!SmartBoxingEnabled)
{
return(noBoxImpl);
}
//The boxedImpl will overwrite noBoxImpl in the dictionary
var boxedImpl = AddBinary(op, baseType, boxedBinaryMethod);
boxedImpl.NoBoxImplementation = noBoxImpl;
return(boxedImpl);
}
public void SetupEvaluationMethod()
{
if (ResultConverter == null)
{
//without ResultConverter
if (Arg1Converter == null && Arg2Converter == null)
{
Evaluate = EvaluateConvNone;
}
else if (Arg1Converter != null && Arg2Converter == null)
{
Evaluate = EvaluateConvLeft;
}
else if (Arg1Converter == null && Arg2Converter != null)
{
Evaluate = EvaluateConvRight;
}
else // if (Arg1Converter != null && arg2Converter != null)
{
Evaluate = EvaluateConvBoth;
}
}
else
{
//with result converter
if (Arg1Converter == null && Arg2Converter == null)
{
Evaluate = EvaluateConvNoneConvResult;
}
else if (Arg1Converter != null && Arg2Converter == null)
{
Evaluate = EvaluateConvLeftConvResult;
}
else if (Arg1Converter == null && Arg2Converter != null)
{
Evaluate = EvaluateConvRightConvResult;
}
else // if (Arg1Converter != null && Arg2Converter != null)
{
Evaluate = EvaluateConvBothConvResult;
}
}
}
protected virtual OperatorImplementation CreateBinaryOperatorImplementation(ExpressionType op, Type arg1Type, Type arg2Type,
Type commonType, BinaryOperatorMethod method, UnaryOperatorMethod resultConverter)
{
var key = new OperatorDispatchKey(op, arg1Type, arg2Type);
var arg1Converter = arg1Type == commonType ? null : GetConverter(arg1Type, commonType);
var arg2Converter = arg2Type == commonType ? null : GetConverter(arg2Type, commonType);
var impl = new OperatorImplementation(key, commonType, method, arg1Converter, arg2Converter, resultConverter);
return(impl);
}
}//method
protected void AddImplementation(string op, Type baseType, BinaryOperatorMethod baseMethod) {
AddImplementation(op, baseType, baseMethod, null);
}
protected void AddImplementation(string op, Type baseType, BinaryOperatorMethod baseMethod, TypeConverter resultConverter) {
var key = OperatorDispatchKey.CreateFromTypes(op, baseType, baseType);
var imp = new OperatorImplementation(key, baseType, baseMethod, null, null, resultConverter);
_baseOperatorImplementations.Add(key, imp);
}
protected OperatorImplementation AddBinary(ExpressionType op, Type baseType, BinaryOperatorMethod binaryMethod)
{
return(AddBinary(op, baseType, binaryMethod, null));
}
}//method
protected void AddImplementation(string op, Type baseType, BinaryOperatorMethod baseMethod)
{
AddImplementation(op, baseType, baseMethod, null);
}
public Operator(BinaryOperatorMethod binaryOperator, char symbolOperator)
{
this.binaryOperator = binaryOperator;
this.symbolOperator = symbolOperator;
}
protected OperatorImplementation AddBinary(ExpressionType op, Type baseType, BinaryOperatorMethod binaryMethod) {
return AddBinary(op, baseType, binaryMethod, null);
}
protected virtual OperatorImplementation CreateBinaryOperatorImplementation(ExpressionType op, Type arg1Type, Type arg2Type,
Type commonType, BinaryOperatorMethod method, UnaryOperatorMethod resultConverter) {
OperatorDispatchKey key = new OperatorDispatchKey(op, arg1Type, arg2Type);
UnaryOperatorMethod arg1Converter = arg1Type == commonType ? null : GetConverter(arg1Type, commonType);
UnaryOperatorMethod arg2Converter = arg2Type == commonType ? null : GetConverter(arg2Type, commonType);
var impl = new OperatorImplementation(
key, commonType, method, arg1Converter, arg2Converter, resultConverter);
return impl;
}