public override AccessorOrMutator VisitPostfixUnaryExpression(PostfixUnaryExpressionSyntax node)
{
var operand = Visit(node.Operand);
switch (node.Kind())
{
case SyntaxKind.PostIncrementExpression:
case SyntaxKind.PostDecrementExpression:
{
var accessor = operand as Accessor;
if (accessor != null)
{
var methodSymbol = Model.GetSymbolInfo(node).Symbol as IMethodSymbol;
if (methodSymbol != null)
{
var value = operand.GetMutator(this);
var result = Lifter.LiftInstanceNonVoidNullaryMethod(methodSymbol)(accessor.GetMutator(this));
accessor.AcceptAssignment(this, result.Item1);
return(value); // Return the value before the assignment
}
}
break;
}
}
throw new SyntaxErrorException("Unsupported syntax: " + node);
}
public override AccessorOrMutator VisitPrefixUnaryExpression(PrefixUnaryExpressionSyntax node)
{
var operand = Visit(node.Operand);
switch (node.Kind())
{
case SyntaxKind.PreIncrementExpression:
case SyntaxKind.PreDecrementExpression:
{
var accessor = operand as Accessor;
if (accessor != null)
{
var methodSymbol = Model.GetSymbolInfo(node).Symbol as IMethodSymbol;
if (methodSymbol != null)
{
var result = Lifter.LiftInstanceNonVoidNullaryMethod(methodSymbol)(accessor.GetMutator(this));
accessor.AcceptAssignment(this, result.Item1);
return(result.Item2);
}
}
break;
}
case SyntaxKind.UnaryPlusExpression:
case SyntaxKind.UnaryMinusExpression:
case SyntaxKind.BitwiseNotExpression:
case SyntaxKind.LogicalNotExpression:
{
var methodSymbol = Model.GetSymbolInfo(node).Symbol as IMethodSymbol;
if (methodSymbol != null)
{
return(Lifter.LiftStaticNonVoidUnaryMethod(methodSymbol)(operand.GetMutator(this)));
}
else if (node.Operand is LiteralExpressionSyntax)
{
var literalExpr = operand.GetMutator(this).CreateUpdate();
if (literalExpr is BitVecExpr)
{
return(operand.GetMutator(this).WithValue(Ctx.MkBVNeg((BitVecExpr)literalExpr)));
}
throw new SyntaxErrorException("Unsupported literal syntax: " + node);
}
break;
}
}
throw new SyntaxErrorException("Unsupported syntax: " + node);
}