/// <summary>
/// This method type checks the ElseStatementNode node in the AST.
/// </summary>
/// <param name="elseStatement">The node to check.</param>
/// <returns>Returns null</returns>
public override object Visit(ElseStatementNode elseStatement)
{
CurrentScope = GlobalScope.FindChild($"ELSESTMNT_{elseStatement.Line}");
elseStatement.Statements.ForEach(stmnt => stmnt.Accept(this));
CurrentScope = CurrentScope?.Parent ?? GlobalScope;
return(null);
}
public void Visit(ElseStatementNode node)
{
currentElseCount++;
builder.AppendLine($"\tIf_{currentIfId}_{currentElseCount}_condition:");
VisitChildren(node);
builder.AppendLine($"\t\tbr If_{currentIfId}_End");
builder.AppendLine();
}
public Node ElseStatement()
{
var else_node = new ElseStatementNode()
{
AnchorToken = Expect(TokenCategory.ELSE)
};
else_node.Add(ZeroOrMore(firstOfStatement, Statement));
return(else_node);
}
/// <summary>
/// This method prints the elseStatement and make an indentation
/// It then accepts all the statement and then outdent
/// </summary>
/// <param name="elseStatement">The node to print.</param>
/// <returns>Returns null</returns>
public override object Visit(ElseStatementNode elseStatement)
{
Print("ElseStatementNode");
Indent++;
if (elseStatement.Statements.Any())
{
elseStatement.Statements.ForEach(node => node.Accept(this));
}
Indent--;
return(null);
}
/// <summary>
/// This method visits an else statement node
/// If accepts any statements
/// </summary>
/// <param name="elseStatement">The name of the node</param>
/// <returns>It returns an else string or nothing, if there is not a else string</returns>
public override object Visit(ElseStatementNode elseStatement)
{
if (elseStatement.Statements.Any())
{
string elseString = "else{";
elseStatement.Statements.ForEach(node => node.Parent = elseStatement);
elseStatement.Statements.ForEach(node => elseString += node.Accept(this));
elseString += "}";
return(elseString);
}
return("");
}
public Type Visit(ElseStatementNode node)
{
VisitChildren(node);
return(Type.VOID);
}
/// <summary> /// This visits an Else statement /// </summary> /// <param name="elseStatement">The visited node</param> /// <returns></returns> public abstract object Visit(ElseStatementNode elseStatement);
