/// <summary>
/// Parser for Formals
/// </summary>
/// <param name="functionDefinition">functionDefinition to add formals to</param>
/// <returns>Parsed Formals</returns>
public void ParseFormals(FunctionDefinition functionDefinition)
{
if (TokenStream.Peek(1).GetValue().ToString() != "(")
{
return; //No formals, so return empty formals
}
//Skip ( token
NextToken("(","(formal1, formal2)",'(');
while (TokenStream.HasNext())
{ //Parse formals
if (TokenStream.Peek(1).GetValue().ToString() == ")")
{
break; //End of formals
}
else if(TokenStream.Peek(1).GetValue().ToString() == ",")
{
//Skip , token
NextToken(",", "(formal1, formal2)", ',');
}
functionDefinition.AddFormal(ParseFormal());
}
//Skip ) token
NextToken(")", "(formal1, formal2)", ')');
}
/// <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);
}
