/// <summary>
/// Interpret MarkupStatement
/// </summary>
/// <param name="statement">MarkupStatement to interpret</param>
public override void Visit(MarkupStatement statement)
{
//Determine if markup is a call
if (IsCall(statement.GetMarkup()))
{
String functionIdentifier = statement.GetMarkup().GetDesignator().GetIdentifier();
if (NodeContainsYield(SymbolTable.GetFunctionDefinition(functionIdentifier)))
{ //Store null element, because there is nothing to yield in this statement
YieldStack.Push(null);
}
}
//Interpret markup
statement.GetMarkup().AcceptVisitor(this);
}
public void ParseMarkupStatementTest()
{
//Create parser
StatementParser statementParser = new StatementParser(Init("p();"));
Statement parsedStatement = statementParser.ParseMarkupStatement();
//Test statatement
Assert.AreEqual(typeof(MarkupStatement), parsedStatement.GetType());
//Test MarkupStatement
MarkupStatement statement = (MarkupStatement)parsedStatement;
Assert.AreEqual("p", statement.GetMarkup().GetDesignator().GetIdentifier());
Assert.AreEqual(0, statement.GetMarkup().GetArguments().Count);
}
/// <summary>
/// Parser for MarkupStatement types
/// </summary>
/// <returns>Parsed Statement</returns>
public Statement ParseMarkupStatement()
{
//Start parsing first markup part
Markup firstMarkup = markupParser.ParseMarkup();
if (TokenStream.HasNext() && TokenStream.Peek(1).GetType() == TokenType.SYMBOL && TokenStream.Peek(1).GetValue().ToString() == ";")
{ //Just a single markup statement
MarkupStatement markupStatement = new MarkupStatement();
markupStatement.SetMarkup(firstMarkup);
//Skip ; token
NextToken(";", "markup;", ';');
return(markupStatement);
}
else
{
//Get other markups
NodeList markups = new NodeList();
markups.Add(firstMarkup);
while (DetectNextIsMarkup())
{
markups.Add(markupParser.ParseMarkup());
}
//Determine statement type
if (TokenStream.HasNext())
{
if (TokenStream.Peek(1).GetType() == TokenType.EMBEDDING)
{ //Markup Embedding Statement
MarkupEmbeddingStatement markupEmbedding = new MarkupEmbeddingStatement();
markupEmbedding.SetMarkups(markups);
markupEmbedding.SetEmbedding(embeddingParser.ParseEmbedding());
//Skip ; token
NextToken(";", "Markup+ Embedding;", ';');
return(markupEmbedding);
}
else if (TokenStream.Peek(1).GetValue().ToString() == ";")
{ //MarkupStatement
MarkupMarkupStatement markupStatement = new MarkupMarkupStatement();
//Get last parsed markup from list and remove it from list
Markup last = (Markup)markups.Get(markups.Count - 1);
markups.Remove(markups.Count - 1);
markupStatement.SetMarkup(last);
markupStatement.SetMarkups(markups);
//Skip ; token
NextToken(";", "Markup+ Markup;", ';');
return(markupStatement);
}
else if (IsMarkupStatStatement())
{ //MarkupStatStatement
MarkupStatStatement markupStatStatement = new MarkupStatStatement();
markupStatStatement.SetMarkups(markups);
markupStatStatement.SetStatement(ParseStatement());
return(markupStatStatement);
}
else if (IsMarkupExpressionStatement())
{ //MarkupExpressionStatement
MarkupExpressionStatement markupExpressionStatement = new MarkupExpressionStatement();
//Parse MarkupExpressionStatement
markupExpressionStatement.SetMarkups(markups);
markupExpressionStatement.SetExpression(expressionParser.ParseExpression());
//Skip ; token
NextToken(";", "Markup+ Expression;", ';');
return(markupExpressionStatement);
}
else
{ //Unexpected token
throw new UnexpectedToken("Markup Statement expected, but found:", CurrentToken.GetValue().ToString(), CurrentToken.GetLine());
}
}
else
{
throw new UnexpectedToken("Expected MarkupStatement type, but found:", CurrentToken.GetValue().ToString(), CurrentToken.GetLine());
}
}
}
public virtual void Visit(MarkupStatement statement)
{
VisitSubNodes(statement);
}