public object Visit(AssigningActionNode n, object o)
{
Append(AddIndent());
n.LHS.Accept(this, null);
Append(" = ");
n.RHS.Accept(this, null);
AppendLine(";");
return(null);
}
private ActionNode ParseActionStatement()
{
ActionNode itsAST;
SourceCodePosition itsPos = _currentToken.SourcePosition;
if (_currentToken.Type == Token.TokenType.Identifier)
{
MemberExpressionNode itsMemberExpr = MemberReference();
if (_currentToken.Type == Token.TokenType.AssignmentOperator)
{
itsAST = new AssigningActionNode(itsMemberExpr, Assigning(), itsPos);
}
else
{
itsAST = new MemberReferenceAction(itsMemberExpr, itsPos);
}
Accept(Token.TokenType.Semicolon);
}
else if (_currentToken.Type == Token.TokenType.This)
{
ThisExpressionNode itsMemberExpr = ThisReference();
if (_currentToken.Type == Token.TokenType.AssignmentOperator)
{
itsAST = new AssigningActionNode(itsMemberExpr, Assigning(), itsPos);
}
else
{
itsAST = new ThisReferenceAction(itsMemberExpr, itsPos);
}
Accept(Token.TokenType.Semicolon);
}
else
{
itsAST = ControlStatement();
}
return(itsAST);
}
public object Visit(AssigningActionNode n, object o)
{
return(null);
}
