private PackageNameAST ParsePackageName(TokenTape tape)
{
PackageNameAST pname = new PackageNameAST();
//TokenKind currentKind = tape.Current.Kind;
while (IsPackageNamePart(tape.CurrentKind))
{
//currentKind = tape.Current.Kind;
if (tape.CurrentKind == TokenKind.Ident)
{
pname.Add(tape.Current);
tape.MoveNext();
}
else if (tape.CurrentKind == TokenKind.DIV)
{
tape.MoveNext();
}
//else if (tape.CurrentKind == TokenKind.Semi)
//{
// break;
//}
//else if (tape.CurrentKind == TokenKind.NewLine)
//{
// break;
//}
//else
//{
// tape.error(string.Format("'{0}'不是正确的开发包名称", tape.Current.GetText()));
// tape.MoveNext();
//}
}
return(pname);
}
private List <PackageNameAST> ParsePackageList()
{
List <PackageNameAST> list = new List <PackageNameAST>();
while (IsImportPackagePart(tape.Current.Kind))
{
if (tape.Current.Kind == TokenKind.Ident)
{
PackageNameAST pname = ParsePackageName(tape);
if (pname != null)
{
list.Add(pname);
}
}
else if (tape.CurrentKind == TokenKind.Comma)
{
tape.MoveNext();
}
//else if (tape.CurrentKind == TokenKind.NewLine)
//{
// SkipNewLine();
//}
//else
//{
// tape.error(string.Format("'{0}'不是正确的导入名称", tape.Current.GetText()));
// tape.MoveNext();
//}
}
if (tape.CurrentKind == TokenKind.Semi)
{
tape.MoveNext();
}
SkipNewLine();
//tape.Match(TokenKind.Semi);
return(list);
}
