private IfStatement ParseIf()
{
IfStatement node = new IfStatement(curtok);
Advance(); // advance over IF
AssertAndAdvance(TokenID.LParen);
node.Test = ParseExpression();
AssertAndAdvance(TokenID.RParen);
ParseBlock(node.Statements);
if (curtok.ID == TokenID.Else)
{
Advance(); // advance of else
ParseBlock(node.ElseStatements);
}
if (curtok.ID == TokenID.Semi)
Advance();
return node;
}
public virtual object VisitIfStatement(IfStatement ifStatement, object data)
{
stackMap.Push(ifStatement);
ifStatement.Test.AcceptVisitor( this, data );
ifStatement.ElseStatements.AcceptVisitor( this, data );
ifStatement.Statements.AcceptVisitor(this, data);
stackMap.Pop();
return null;
}