private ActionSequenceNode ParseElseifStatements()
{
ActionSequenceNode itsAST;
SourceCodePosition itsPos = _currentToken.SourcePosition;
ActionNode itsAction = ParseElseifStatement();
if (_currentToken.Type == Token.TokenType.Elseif)
{
ActionSequenceNode itsNextActions = ParseElseifStatements();
itsAST = new MultipleActionSequenceNode(itsAction, itsNextActions, itsPos);
}
else
{
itsAST = new SingleActionSequenceNode(itsAction, itsPos);
}
return(itsAST);
}
private ActionSequenceNode ParseActionStatements()
{
ActionSequenceNode itsAST;
SourceCodePosition itsPos = _currentToken.SourcePosition;
ActionNode itsAction = ParseActionStatement();
if (Array.Exists(_actionStatementFirstSet, e => e == _currentToken.Type))
{
ActionSequenceNode itsNextActions = ParseActionStatements();
itsAST = new MultipleActionSequenceNode(itsAction, itsNextActions, itsPos);
}
else
{
itsAST = new SingleActionSequenceNode(itsAction, itsPos);
}
return(itsAST);
}
public object Visit(MultipleActionSequenceNode n, object o)
{
n.Action.Accept(this, null);
n.Actions.Accept(this, null);
return(null);
}
