/// <inheritdoc/>
protected override bool HandleDynamic(CodeUnaryOperatorExpression obj, Context ctx)
{
string operatorSymbol = CSharpKeywordsUtils.UnaryOperatorSymbol(obj.Operator, out var isOperatorAfterExpression);
if (!isOperatorAfterExpression)
{
ctx.Writer.Write(operatorSymbol);
}
WrapIfNecessaryAndHandle(obj.Expression, ctx);
if (isOperatorAfterExpression)
{
ctx.Writer.Write(operatorSymbol);
}
return(true);
}
/// <inheritdoc />
protected override bool HandleDynamic(CodeUnaryOperatorExpression obj, Context ctx)
{
string operatorSymbol = VisualBasicKeywordsUtils.UnaryOperatorSymbol(obj.Operator);
if (operatorSymbol != null)
{
ctx.Writer.Write(operatorSymbol);
WrapIfNecessaryAndHandle(obj.Expression, ctx);
return(true);
}
if (obj.Operator == CodeUnaryOperatorType.PostDecrement ||
obj.Operator == CodeUnaryOperatorType.PostIncrement ||
obj.Operator == CodeUnaryOperatorType.PreDecrement ||
obj.Operator == CodeUnaryOperatorType.PreIncrement)
{
//TODO this is ok when used as an expression, but not when used as a statement. Should be replaced with a method invocation, and add a library
bool isIncrement = obj.Operator == CodeUnaryOperatorType.PostIncrement ||
obj.Operator == CodeUnaryOperatorType.PreIncrement;
bool isPre = obj.Operator == CodeUnaryOperatorType.PreDecrement ||
obj.Operator == CodeUnaryOperatorType.PreIncrement;
CodeExpression toReturn;
if (isPre)
{
toReturn = obj.Expression;
}
else
{
toReturn = new CodeBinaryOperatorExpressionMore(
obj.Expression,
isIncrement ? CodeBinaryOperatorTypeMore.Subtract : CodeBinaryOperatorTypeMore.Add,
Primitives.Int(1));
}
var lambda = new CodeLambdaDeclarationExpression(
new CodeCommentStatement(obj.Operator.ToString("G")),
new CodeOperationAssignmentStatement(
obj.Expression,
isIncrement ? CodeBinaryOperatorTypeMore.Add : CodeBinaryOperatorTypeMore.Subtract,
Primitives.Int(1)),
new CodeMethodReturnStatement(toReturn));
ctx.HandlerProvider.ExpressionHandler.Handle(new CodeMethodInvokeExpression(lambda, "Invoke"), ctx);
return(true);
}
return(false);
}
/// <inheritdoc cref="ICodeObjectHandler{T}.Handle"/>
protected abstract bool HandleDynamic(CodeUnaryOperatorExpression obj, Context ctx);
public void VisitUnary(CodeUnaryOperatorExpression u)
{
writer.Write(OpToString(u.Operator));
Write(u.Expression, operatorPrecedence[u.Operator]);
}
