public override IAssignableExpression VisitNullCoalescingExpression(INullCoalescingExpression expr,
IList <IStatement> context)
{
var lref = ToVariableRef(expr.LeftOperand, context);
var v0 = new VariableReference {
Identifier = _nameGen.GetNextVariableName()
};
context.Add(
new VariableDeclaration
{
Reference = v0,
Type = Bool
});
context.Add(
new Assignment
{
Reference = v0,
Expression = new ComposedExpression {
References = { lref }
}
});
return(new IfElseExpression
{
Condition = new ReferenceExpression {
Reference = v0
},
ThenExpression = new ReferenceExpression {
Reference = lref
},
ElseExpression = ToSimpleExpression(expr.RightOperand, context)
});
}
/// <inheritdoc />
public override Expression VisitNullCoalescingExpression(INullCoalescingExpression operation, LocalBinder argument)
{
return(Expression.Coalesce(
operation.PrimaryOperand.Accept(this, argument),
operation.SecondaryOperand.Accept(this, argument)
));
}
public override void VisitNullCoalescingExpression(INullCoalescingExpression operation)
{
LogString(nameof(INullCoalescingExpression));
LogCommonPropertiesAndNewLine(operation);
Visit(operation.PrimaryOperand, "Left");
Visit(operation.SecondaryOperand, "Right");
}
private static void WriteBinaryNullCoalescing(LanguageWriter w, INullCoalescingExpression exp)
{
const int PREC_NULL_COAL = 0;
WriteExpression(w, exp.Condition, PREC_NULL_COAL > GetExpressionPrecedence(exp.Condition));
w.Write(" ?? ");
WriteExpression(w, exp.Expression, PREC_NULL_COAL >= GetExpressionPrecedence(exp.Expression));
}
public override void VisitNullCoalescingExpression(INullCoalescingExpression value)
{
VisitExpression(new ConditionExpression
{
Condition = new BinaryExpression
{
Left = value.Condition,
Operator = BinaryOperator.ValueInequality,
Right = new LiteralExpression()
},
Then = value.Condition,
Else = value.Expression
});
}
public virtual IExpression TransformNullCoalescingExpression(INullCoalescingExpression value)
{
value.Condition = this.TransformExpression(value.Condition);
value.Expression = this.TransformExpression(value.Expression);
return value;
}
public ConvertCoalescingToConditionalQuickFix(UnityObjectNullCoalescingWarning warning)
{
myExpression = warning.Expression;
}
public virtual void VisitNullCoalescingExpression(INullCoalescingExpression operation)
{
DefaultVisit(operation);
}
public virtual void VisitNullCoalescingExpression(INullCoalescingExpression operation)
{
DefaultVisit(operation);
}
public override void VisitNullCoalescingExpression(INullCoalescingExpression operation)
{
Visit(operation.PrimaryOperand);
Visit(operation.SecondaryOperand);
}
public static INullCoalescingExpression Update(this INullCoalescingExpression self, IOperation @leftOperand, IOperation @rightOperand, Conversion @leftConversion, ITypeSymbol @type) => self;
/// <inheritdoc />
public override IOperation VisitNullCoalescingExpression(INullCoalescingExpression operation, object argument)
{
return(base.VisitNullCoalescingExpression(operation, argument));
}
public virtual void VisitNullCoalescingExpression(INullCoalescingExpression value)
{
this.VisitExpression(value.Condition);
this.VisitExpression(value.Expression);
}
public virtual void VisitNullCoalescingExpression(INullCoalescingExpression value)
{
VisitExpression(value.Condition);
VisitExpression(value.Expression);
}
public override void VisitNullCoalescingExpression(INullCoalescingExpression operation)
{
base.VisitNullCoalescingExpression(operation);
}
public override void VisitNullCoalescingExpression(INullCoalescingExpression operation)
{
base.VisitNullCoalescingExpression(operation);
}
public UnityNullCoalescingWarning(INullCoalescingExpression expression)
{
Expression = expression;
}
private void WriteNullCoalescingExpression(INullCoalescingExpression value, IFormatter formatter)
{
formatter.Write("(");
this.WriteExpression(value.Condition, formatter);
formatter.Write("!!");
formatter.Write(" ");
formatter.WriteKeyword("?");
formatter.Write(" ");
this.WriteExpression(value.Condition, formatter);
formatter.Write(" ");
formatter.WriteKeyword(":");
formatter.Write(" ");
this.WriteExpression(value.Expression, formatter);
formatter.Write(")");
}
