private static ExpressionSyntax VisitAnonymousClassCreationExpression(ConversionContext context, ObjectCreationExpr newExpr, List <BodyDeclaration> anonBody)
{
string baseTypeName = TypeHelper.ConvertType(newExpr.getType().getName());
string anonTypeName = string.Empty;
for (int i = 0; i <= 100; i++)
{
if (i == 100)
{
throw new InvalidOperationException("Too many anonymous types");
}
anonTypeName = string.Format("Anonymous{0}{1}", baseTypeName, i == 0 ? string.Empty : i.ToString());
if (!context.UsedAnonymousTypeNames.Contains(anonTypeName))
{
context.UsedAnonymousTypeNames.Add(anonTypeName);
break; // go with this one
}
}
var classSyntax = SyntaxFactory.ClassDeclaration(anonTypeName)
.AddModifiers(
SyntaxFactory.Token(SyntaxKind.PrivateKeyword),
SyntaxFactory.Token(SyntaxKind.SealedKeyword))
.WithBaseList(SyntaxFactory.BaseList(SyntaxFactory.SeparatedList(new List <BaseTypeSyntax>
{
SyntaxFactory.SimpleBaseType(SyntaxFactory.ParseTypeName(baseTypeName))
})));
var parentField = SyntaxFactory.FieldDeclaration(
SyntaxFactory.VariableDeclaration(SyntaxFactory.ParseTypeName(context.LastTypeName)).AddVariables(SyntaxFactory.VariableDeclarator("parent")))
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PrivateKeyword), SyntaxFactory.Token(SyntaxKind.ReadOnlyKeyword));
var ctorSyntax = SyntaxFactory.ConstructorDeclaration(anonTypeName)
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword))
.AddParameterListParameters(SyntaxFactory.Parameter(SyntaxFactory.ParseToken("parent")).WithType(SyntaxFactory.ParseTypeName(context.LastTypeName)))
.AddBodyStatements(SyntaxFactory.ExpressionStatement(SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.ThisExpression(), SyntaxFactory.IdentifierName("parent")), SyntaxFactory.IdentifierName("parent"))));
classSyntax = classSyntax.AddMembers(ctorSyntax, parentField);
foreach (var member in anonBody)
{
var memberSyntax = BodyDeclarationVisitor.VisitBodyDeclarationForClass(context, classSyntax, member);
if (memberSyntax != null)
{
classSyntax = classSyntax.AddMembers(memberSyntax);
}
}
context.PendingAnonymousTypes.Enqueue(classSyntax);
var args = newExpr.getArgs().ToList <Expression>();
if (args == null || args.Count == 0)
{
return(SyntaxFactory.ObjectCreationExpression(SyntaxFactory.ParseTypeName(anonTypeName))
.AddArgumentListArguments(SyntaxFactory.Argument(SyntaxFactory.ThisExpression())));
}
var argSyntaxes = new List <ArgumentSyntax>();
argSyntaxes.Add(SyntaxFactory.Argument(SyntaxFactory.ThisExpression()));
foreach (var arg in args)
{
var argSyntax = ExpressionVisitor.VisitExpression(context, arg);
argSyntaxes.Add(SyntaxFactory.Argument(argSyntax));
}
return(SyntaxFactory.ObjectCreationExpression(SyntaxFactory.ParseTypeName(anonTypeName), SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList(argSyntaxes, Enumerable.Repeat(SyntaxFactory.Token(SyntaxKind.CommaToken), argSyntaxes.Count - 1))), null));
}
public override ExpressionSyntax Visit(ConversionContext context, BinaryExpr binaryExpr)
{
var leftExpr = binaryExpr.getLeft();
var leftSyntax = ExpressionVisitor.VisitExpression(context, leftExpr);
var rightExpr = binaryExpr.getRight();
var rightSyntax = ExpressionVisitor.VisitExpression(context, rightExpr);
var op = binaryExpr.getOperator();
SyntaxKind kind = SyntaxKind.None;
if (op == BinaryExpr.Operator.and)
{
kind = SyntaxKind.LogicalAndExpression;
}
else if (op == BinaryExpr.Operator.binAnd)
{
kind = SyntaxKind.BitwiseAndExpression;
}
else if (op == BinaryExpr.Operator.binOr)
{
kind = SyntaxKind.BitwiseOrExpression;
}
else if (op == BinaryExpr.Operator.divide)
{
kind = SyntaxKind.DivideExpression;
}
else if (op == BinaryExpr.Operator.equals)
{
kind = SyntaxKind.EqualsExpression;
}
else if (op == BinaryExpr.Operator.greater)
{
kind = SyntaxKind.GreaterThanExpression;
}
else if (op == BinaryExpr.Operator.greaterEquals)
{
kind = SyntaxKind.GreaterThanOrEqualExpression;
}
else if (op == BinaryExpr.Operator.less)
{
kind = SyntaxKind.LessThanExpression;
}
else if (op == BinaryExpr.Operator.lessEquals)
{
kind = SyntaxKind.LessThanOrEqualExpression;
}
else if (op == BinaryExpr.Operator.lShift)
{
kind = SyntaxKind.LeftShiftExpression;
}
else if (op == BinaryExpr.Operator.minus)
{
kind = SyntaxKind.SubtractExpression;
}
else if (op == BinaryExpr.Operator.notEquals)
{
kind = SyntaxKind.NotEqualsExpression;
}
else if (op == BinaryExpr.Operator.or)
{
kind = SyntaxKind.LogicalOrExpression;
}
else if (op == BinaryExpr.Operator.plus)
{
kind = SyntaxKind.AddExpression;
}
else if (op == BinaryExpr.Operator.remainder)
{
kind = SyntaxKind.ModuloExpression;
}
else if (op == BinaryExpr.Operator.rSignedShift)
{
kind = SyntaxKind.RightShiftExpression;
}
else if (op == BinaryExpr.Operator.rUnsignedShift)
{
kind = SyntaxKind.RightShiftExpression;
context.Options.Warning("Use of unsigned right shift in original code; verify correctness.", binaryExpr.getBegin().line);
}
else if (op == BinaryExpr.Operator.times)
{
kind = SyntaxKind.MultiplyExpression;
}
else if (op == BinaryExpr.Operator.xor)
{
kind = SyntaxKind.ExclusiveOrExpression;
}
return(SyntaxFactory.BinaryExpression(kind, leftSyntax, rightSyntax));
}