/// <summary>
/// Visit FuncBindAssignment
/// </summary>
/// <param name="assignment">FuncBindAssignment to check</param>
public override void Visit(FuncBindAssignment assignment)
{
//FuncBind is a function, so let checking do by FunctionDefinition visitor
FunctionDefinition function = new FunctionDefinition();
function.SetIdentifier(assignment.GetIdentifier());
foreach (String identifier in assignment.GetIdentifiers())
{
Formal formal = new Formal();
formal.SetIdentifier(identifier);
function.AddFormal(formal);
}
function.AddStatement(assignment.GetStatement());
//Check this new function
function.AcceptVisitor(this);
//Add to SymbolTable
SymbolTable.AddFunctionDefinition(function);
}
public virtual void Visit(FuncBindAssignment assignment)
{
VisitSubNodes(assignment);
}
/// <summary>
/// Parser for FuncBindAssignment
/// </summary>
/// <returns>Parsed FuncBindAssignment</returns>
public FuncBindAssignment ParseFuncBindAssignment()
{
FuncBindAssignment funcBindAssignment = new FuncBindAssignment();
//Parse identifier
CurrentToken = TokenStream.NextToken();
funcBindAssignment.SetIdentifier(CurrentToken.GetValue().ToString());
//Skip ( token
NextToken("(", "identifier(identifier1, identifier2) = statement;", '(');
//Parse identifiers
while (TokenStream.HasNext())
{
if (TokenStream.HasNext() && TokenStream.Peek(1).GetValue().ToString() == ")")
{ //No more identifiers
break;
}
else if (TokenStream.Peek(1).GetValue().ToString() == ",")
{
//Skip , token
NextToken(",", "(identifier1, identifier2)", ',');
}
CurrentToken = TokenStream.NextToken();
funcBindAssignment.AddIdentifier(CurrentToken.GetValue().ToString());
}
//Skip ) token
NextToken(")", "identifier(identifier1, identifier2) = statement;", ')');
//Skip = token
NextToken("=", "identifier(identifier1, identifier2) = statement;", '=');
//Parse statement
funcBindAssignment.SetStatement(ParseStatement());
return funcBindAssignment;
}
