private void initialise(GingerToken type, Variable name, ImportList il, FunctionList fl)
{
_type = type;
add(name);
add(il);
add(fl);
}
private FunctionList parseFunctionList()
{
FunctionList fl = new FunctionList();
do
{
Function f = null;
try
{
f = parseFunction();
}
catch (ParseException pe)
{
_errors.Add(pe);
}
if (f != null)
{
fl.add(f);
//if (f.name.identifier.name.Equals("main"))
//{
// if (_entry == null)
// {
// _entry = f;
// }
// else
// {
// _errors.Add(new ParseException(scanner.row, scanner.col, $"Found more than one entry point", ExceptionLevel.ERROR));
// }
//}
}
nextScannerToken();
} while (currentScannerToken != GingerToken.CloseList);
return(fl);
}
private Component parseComponent()
{
Component c;
GingerToken type;
Variable name;
FunctionList fl;
ImportList il;
Identifier extends = null;
if (Grammar.isComponent(currentScannerToken))
{
type = currentScannerToken;
nextScannerToken();
if (currentScannerToken == GingerToken.Identifier)
{
//name = new Variable(new Identifier(scanner.row, scanner.col, new string(scanner.tokenValue)));
name = new Variable(parseIdentifier(false));
nextScannerToken();
if (currentScannerToken == GingerToken.Extends)
{
nextScannerToken();
extends = parseIdentifier(false);
nextScannerToken();
}
if (currentScannerToken == GingerToken.OpenList)
{
nextScannerToken();
il = parseImportList();
if (currentScannerToken == GingerToken.Function)
{
fl = parseFunctionList();
}
else
{
fl = new FunctionList();
}
if (extends != null)
{
c = new Component(type, name, il, fl, extends);
}
else
{
c = new Component(type, name, il, fl);
}
}
else
{
throw new ParseException(scanner.row, scanner.col, $"Expected '{GingerToken.OpenList.ToString()}', found '{currentScannerToken.ToString()}'", ExceptionLevel.ERROR);
}
}
else
{
throw new ParseException(scanner.row, scanner.col, $"Expected '{GingerToken.Identifier.ToString()}', found '{currentScannerToken.ToString()}'", ExceptionLevel.ERROR);
}
}
else
{
throw new ParseException(scanner.row, scanner.col, $"Expected component type, found '{currentScannerToken.ToString()}'", ExceptionLevel.ERROR);
}
return(c);
}
public Component(GingerToken type, Variable name, ImportList il, FunctionList fl, Identifier extends) : base()
{
initialise(type, name, il, fl);
add(extends);
}
public Component(GingerToken type, Variable name, ImportList il, FunctionList fl) : base()
{
initialise(type, name, il, fl);
}