public override object Visit (CompoundAssign compoundAssign)
{
var result = new AssignmentExpression ();
int opLength = 2;
switch (compoundAssign.Op) {
case Binary.Operator.Multiply:
result.AssignmentOperatorType = AssignmentOperatorType.Multiply;
break;
case Binary.Operator.Division:
result.AssignmentOperatorType = AssignmentOperatorType.Divide;
break;
case Binary.Operator.Modulus:
result.AssignmentOperatorType = AssignmentOperatorType.Modulus;
break;
case Binary.Operator.Addition:
result.AssignmentOperatorType = AssignmentOperatorType.Add;
break;
case Binary.Operator.Subtraction:
result.AssignmentOperatorType = AssignmentOperatorType.Subtract;
break;
case Binary.Operator.LeftShift:
result.AssignmentOperatorType = AssignmentOperatorType.ShiftLeft;
opLength = 3;
break;
case Binary.Operator.RightShift:
result.AssignmentOperatorType = AssignmentOperatorType.ShiftRight;
opLength = 3;
break;
case Binary.Operator.BitwiseAnd:
result.AssignmentOperatorType = AssignmentOperatorType.BitwiseAnd;
break;
case Binary.Operator.BitwiseOr:
result.AssignmentOperatorType = AssignmentOperatorType.BitwiseOr;
break;
case Binary.Operator.ExclusiveOr:
result.AssignmentOperatorType = AssignmentOperatorType.ExclusiveOr;
break;
}
result.AddChild ((INode)compoundAssign.Target.Accept (this), AssignmentExpression.LeftExpressionRole);
result.AddChild (new CSharpTokenNode (Convert (compoundAssign.Location), opLength), AssignmentExpression.OperatorRole);
result.AddChild ((INode)compoundAssign.Source.Accept (this), AssignmentExpression.RightExpressionRole);
return result;
}
public override object Visit (SimpleAssign simpleAssign)
{
var result = new AssignmentExpression ();
result.AssignmentOperatorType = AssignmentOperatorType.Assign;
if (simpleAssign.Target != null)
result.AddChild ((INode)simpleAssign.Target.Accept (this), AssignmentExpression.LeftExpressionRole);
result.AddChild (new CSharpTokenNode (Convert (simpleAssign.Location), 1), AssignmentExpression.OperatorRole);
if (simpleAssign.Source != null) {
result.AddChild ((INode)simpleAssign.Source.Accept (this), AssignmentExpression.RightExpressionRole);
}
return result;
}
public override object Visit(CompoundAssign compoundAssign)
{
var result = new AssignmentExpression();
switch (compoundAssign.Op) {
case Binary.Operator.Multiply:
result.Operator = AssignmentOperatorType.Multiply;
break;
case Binary.Operator.Division:
result.Operator = AssignmentOperatorType.Divide;
break;
case Binary.Operator.Modulus:
result.Operator = AssignmentOperatorType.Modulus;
break;
case Binary.Operator.Addition:
result.Operator = AssignmentOperatorType.Add;
break;
case Binary.Operator.Subtraction:
result.Operator = AssignmentOperatorType.Subtract;
break;
case Binary.Operator.LeftShift:
result.Operator = AssignmentOperatorType.ShiftLeft;
break;
case Binary.Operator.RightShift:
result.Operator = AssignmentOperatorType.ShiftRight;
break;
case Binary.Operator.BitwiseAnd:
result.Operator = AssignmentOperatorType.BitwiseAnd;
break;
case Binary.Operator.BitwiseOr:
result.Operator = AssignmentOperatorType.BitwiseOr;
break;
case Binary.Operator.ExclusiveOr:
result.Operator = AssignmentOperatorType.ExclusiveOr;
break;
}
if (compoundAssign.Target != null)
result.AddChild((Expression)compoundAssign.Target.Accept(this), AssignmentExpression.LeftRole);
var location = LocationsBag.GetLocations(compoundAssign);
if (location != null) {
var r = AssignmentExpression.GetOperatorRole(result.Operator);
result.AddChild(new CSharpTokenNode(Convert(location [0]), r), r);
}
if (compoundAssign.Source != null)
result.AddChild((Expression)compoundAssign.Source.Accept(this), AssignmentExpression.RightRole);
return result;
}
public override object Visit(SimpleAssign simpleAssign)
{
var result = new AssignmentExpression();
result.Operator = AssignmentOperatorType.Assign;
if (simpleAssign.Target != null)
result.AddChild((Expression)simpleAssign.Target.Accept(this), AssignmentExpression.LeftRole);
var location = LocationsBag.GetLocations(simpleAssign);
if (location != null)
result.AddChild(new CSharpTokenNode(Convert(location [0]), AssignmentExpression.AssignRole), AssignmentExpression.AssignRole);
if (simpleAssign.Source != null) {
result.AddChild((Expression)simpleAssign.Source.Accept(this), AssignmentExpression.RightRole);
}
return result;
}
public override void ExitAssignmentExpression(AssignmentExpression assignmentExpression)
{
if (assignmentExpression.Operator.Value != "=")
{
var rightSide = assignmentExpression.Right;
rightSide.Remove();
var leftClone = AstCloner.Clone(assignmentExpression.Left);
switch (leftClone)
{
case SimpleNameExpression simpleNameExpression:
if (simpleNameExpression.Declaration is SetterDeclaration)
{
var classDeclaration = (ClassDeclaration)simpleNameExpression.Declaration.Parent;
var getterSetter = classDeclaration.GettersAndSetters.Single(x => x.Setter == simpleNameExpression.Declaration);
simpleNameExpression.Declaration = getterSetter.Getter;
}
break;
case MemberExpression memberExpression:
if (memberExpression.Declaration is SetterDeclaration)
{
var classDeclaration = (ClassDeclaration)memberExpression.Declaration.Parent;
var getterSetter = classDeclaration.GettersAndSetters.Single(x => x.Setter == memberExpression.Declaration);
memberExpression.Declaration = getterSetter.Getter;
}
break;
}
assignmentExpression.AddChild(
new BinaryExpression(assignmentExpression.Context,
new INode[]
{
leftClone,
new Token(assignmentExpression.Context, assignmentExpression.Operator.Value.Substring(0, assignmentExpression.Operator.Value.Length - 1)),
rightSide
}));
assignmentExpression.Operator.Value = "=";
}
if (!(assignmentExpression.Parent is ExpressionStatement || assignmentExpression.Parent is ForStatement || assignmentExpression.Parent is ForeachStatement))
{
var statement = assignmentExpression.NearestAncestorOfType <IStatement>();
var block = (BlockStatement)statement.Parent;
var variable = new VariableDeclaration(assignmentExpression.Context,
"var" + NumberWheel.Next(),
new INode[]
{
assignmentExpression.Type.Wrap(assignmentExpression.Context),
assignmentExpression.Right
})
{
VariableType = VariableType.Const
};
block.VariableDeclarations.Add(variable);
block.AddChildBefore(statement, new VariableDeclarationStatement(assignmentExpression.Context, variable));
block.AddChildBefore(statement, new ExpressionStatement(assignmentExpression.Context,
new AssignmentExpression(
assignmentExpression.Context,
new INode[]
{
assignmentExpression.Left,
assignmentExpression.Operator,
new SimpleNameExpression(assignmentExpression.Context, variable.Name)
{
Declaration = variable,
Type = variable.Type
},
})
{
Type = assignmentExpression.Type
})
);
assignmentExpression.ReplaceWith(
new SimpleNameExpression(assignmentExpression.Context, variable.Name)
{
Declaration = variable,
Type = variable.Type
});
}
}
IEnumerable<Attribute> GetAttributes (List<Mono.CSharp.Attribute> optAttributes)
{
if (optAttributes == null)
yield break;
foreach (var attr in optAttributes) {
Attribute result = new Attribute ();
result.Type = ConvertToType (attr.TypeNameExpression);
if (attr.PosArguments != null) {
foreach (var arg in attr.PosArguments) {
result.AddChild ((Expression)arg.Expr.Accept (this), Attribute.Roles.Argument);
}
}
if (attr.NamedArguments != null) {
foreach (NamedArgument na in attr.NamedArguments) {
var newArg = new AssignmentExpression ();
newArg.Operator = AssignmentOperatorType.Assign;
newArg.AddChild (new IdentifierExpression (na.Name, Convert (na.Location)), AssignmentExpression.LeftRole);
var loc = LocationsBag.GetLocations (na);
if (loc != null)
newArg.AddChild (new CSharpTokenNode (Convert (loc[0]), 1), AssignmentExpression.Roles.Assign);
newArg.AddChild ((Expression)na.Expr.Accept (this), AssignmentExpression.RightRole);
result.AddChild (newArg, Attribute.Roles.Argument);
}
}
yield return result;
}
}
