public UstNode VisitDslCode(DslParser.DslCodeContext context)
{
UstNode result;
if (context.statement().Length > 0)
{
Statement[] statements = context.statement().Select(statement =>
(Statement)VisitStatement(statement))
.Where(statement => statement.NodeType != NodeType.PatternMultipleStatements).ToArray();
var resultStatements = new List <Statement>();
foreach (var statement in statements)
{
resultStatements.Add(statement);
resultStatements.Add(new PatternMultipleStatements());
}
if (resultStatements.Count == 0)
{
resultStatements.Add(new PatternMultipleStatements());
}
else
{
resultStatements.RemoveAt(resultStatements.Count - 1);
}
result = new PatternStatements
{
Statements = resultStatements,
TextSpan = context.GetTextSpan()
};
}
else if (context.expression() != null)
{
result = VisitExpression(context.expression());
}
else
{
PatternComment[] patternComments = context.PatternString().Select(literal =>
new PatternComment(RemoveQuotes(literal.GetText()), literal.GetTextSpan())).ToArray();
if (patternComments.Length == 1)
{
result = patternComments[0];
}
else
{
result = new PatternVarDef(GetNewVarDefName(), patternComments, context.GetTextSpan());
}
}
return(result);
}
public PatternUst VisitDslCode(DslParser.DslCodeContext context)
{
PatternUst result;
if (context.statement().Length > 0)
{
List <PatternUst> statements = context.statement().Select(
statement => VisitStatement(statement))
.Where(statement => statement != null).ToList();
if (statements.Count == 1)
{
result = statements.First();
}
else
{
result = new PatternStatements(statements)
{
TextSpan = context.GetTextSpan()
};
}
}
else if (context.expression() != null)
{
result = VisitExpression(context.expression());
}
else
{
IEnumerable <PatternCommentRegex> patternComments = context.PatternString().Select(literal =>
new PatternCommentRegex(RemoveQuotes(literal.GetText()), literal.GetTextSpan()));
if (patternComments.Count() == 1)
{
result = patternComments.ElementAt(0);
}
else
{
result = new PatternOr(patternComments, context.GetTextSpan());
}
}
return(result);
}
