public static bool TryGetTranslation(DynamicTranslationArgs args, out ITranslation translation)
{
if (!args.IsMatch(_matcher, out var match))
{
translation = null;
return(false);
}
var subjectObject = args.FirstArgument;
var subjectTranslation = args.Context.GetTranslationFor(subjectObject);
var methodName = match.Groups["MethodName"].Value;
var methodInfo = subjectObject.Type.GetPublicMethod(methodName);
var methodArguments = args.Arguments.Skip(1).ToArray();
var method = GetMethod(
methodName,
methodInfo,
methodArguments,
args.ExpressionType);
translation = MethodCallTranslation.ForDynamicMethodCall(
subjectTranslation,
method,
methodArguments,
args.Context);
return(true);
}
public static ITranslation For(UnaryExpression cast, ITranslationContext context)
{
var castValueTranslation = context.GetTranslationFor(cast.Operand);
switch (cast.NodeType)
{
case ExpressionType.Convert:
case ConvertChecked:
if (cast.Type == typeof(object))
{
// Don't bother to show a boxing cast:
return(castValueTranslation);
}
if (cast.Method != null)
{
var isImplicitOperator = cast.Method.IsImplicitOperator();
if (isImplicitOperator)
{
return(castValueTranslation.ShouldWriteInParentheses()
? castValueTranslation.WithParentheses()
: castValueTranslation);
}
if (cast.Method.IsExplicitOperator())
{
break;
}
return(MethodCallTranslation.ForCustomMethodCast(
context.GetTranslationFor(cast.Type),
new BclMethodWrapper(cast.Method),
castValueTranslation,
context));
}
if (IsDelegateCast(cast, out var createDelegateCall))
{
return(MethodGroupTranslation.ForCreateDelegateCall(cast.NodeType, createDelegateCall, context));
}
break;
case TypeAs:
return(new TypeTestedTranslation(TypeAs, castValueTranslation, " as ", cast.Type, context));
}
return(new StandardCastTranslation(cast, castValueTranslation, context));
}
public ITranslation GetTranslationFor(Expression expression)
{
if (expression == null)
{
return(null);
}
switch (expression.NodeType)
{
case Decrement:
case Increment:
case IsFalse:
case IsTrue:
case OnesComplement:
case PostDecrementAssign:
case PostIncrementAssign:
case PreDecrementAssign:
case PreIncrementAssign:
case UnaryPlus:
return(new UnaryTranslation((UnaryExpression)expression, this));
case Add:
case AddChecked:
case And:
case AndAlso:
case Coalesce:
case Divide:
case Equal:
case ExclusiveOr:
case GreaterThan:
case GreaterThanOrEqual:
case LeftShift:
case LessThan:
case LessThanOrEqual:
case Modulo:
case Multiply:
case MultiplyChecked:
case NotEqual:
case Or:
case OrElse:
case Power:
case RightShift:
case Subtract:
case SubtractChecked:
return(BinaryTranslation.For((BinaryExpression)expression, this));
case AddAssign:
case AddAssignChecked:
case AndAssign:
case Assign:
case DivideAssign:
case ExclusiveOrAssign:
case LeftShiftAssign:
case ModuloAssign:
case MultiplyAssign:
case MultiplyAssignChecked:
case OrAssign:
case PowerAssign:
case RightShiftAssign:
case SubtractAssign:
case SubtractAssignChecked:
return(new AssignmentTranslation((BinaryExpression)expression, this));
case ArrayIndex:
return(new IndexAccessTranslation((BinaryExpression)expression, this));
case ArrayLength:
return(new ArrayLengthTranslation((UnaryExpression)expression, this));
case Block:
return(new BlockTranslation((BlockExpression)expression, this));
case Call:
return(MethodCallTranslation.For((MethodCallExpression)expression, this));
case Conditional:
return(ConditionalTranslation.For((ConditionalExpression)expression, this));
case Constant:
return(ConstantTranslation.For((ConstantExpression)expression, this));
case ExpressionType.Convert:
case ConvertChecked:
case TypeAs:
case Unbox:
return(CastTranslation.For((UnaryExpression)expression, this));
case DebugInfo:
return(DebugInfoTranslation.For((DebugInfoExpression)expression, this));
case Default:
return(new DefaultValueTranslation(expression, this));
case Dynamic:
return(DynamicTranslation.For((DynamicExpression)expression, this));
case Extension:
return(new FixedValueTranslation(expression, this));
case Goto:
return(GotoTranslation.For((GotoExpression)expression, this));
case Index:
return(new IndexAccessTranslation((IndexExpression)expression, this));
case Invoke:
return(MethodCallTranslation.For((InvocationExpression)expression, this));
case Label:
return(new LabelTranslation((LabelExpression)expression, this));
case Lambda:
return(new LambdaTranslation((LambdaExpression)expression, this));
case ListInit:
return(ListInitialisationTranslation.For((ListInitExpression)expression, this));
case Loop:
return(new LoopTranslation((LoopExpression)expression, this));
case MemberAccess:
return(new MemberAccessTranslation((MemberExpression)expression, this));
case MemberInit:
return(MemberInitialisationTranslation.For((MemberInitExpression)expression, this));
case Negate:
case NegateChecked:
case Not:
return(new NegationTranslation((UnaryExpression)expression, this));
case New:
return(NewingTranslation.For((NewExpression)expression, this));
case NewArrayBounds:
return(new NewArrayTranslation((NewArrayExpression)expression, this));
case NewArrayInit:
return(ArrayInitialisationTranslation.For((NewArrayExpression)expression, this));
case Parameter:
return(ParameterTranslation.For((ParameterExpression)expression, this));
case Quote:
return(QuotedLambdaTranslation.For((UnaryExpression)expression, this));
case RuntimeVariables:
return(RuntimeVariablesTranslation.For((RuntimeVariablesExpression)expression, this));
case Switch:
return(new SwitchTranslation((SwitchExpression)expression, this));
case Throw:
return(new ThrowTranslation((UnaryExpression)expression, this));
case Try:
return(new TryCatchTranslation((TryExpression)expression, this));
case TypeEqual:
return(TypeEqualTranslation.For((TypeBinaryExpression)expression, this));
case TypeIs:
return(CastTranslation.For((TypeBinaryExpression)expression, this));
}
return(new FixedValueTranslation(expression, this));
}
