private void ParseInlineListToken(Scope.Node node,
ImmutableDictionary <Scope, Dictionary <string, object> > symbolTable, IDictionary <string, object> dict)
{
Dictionary <string, object> innerDict = ParseScope(node.InnerScope, symbolTable);
string inlineListName = string.Concat(innerDict.Keys.Select(e => e.ToLower()));
dict.Add(inlineListName, innerDict.Values);
}
private void ParseVariableNameToken(NamedToken namedToken, Scope.Node node,
ImmutableDictionary <Scope, Dictionary <string, object> > symbolTable, IDictionary <string, object> dict)
{
Dictionary <string, object> innerDict = ParseScope(node.InnerScope, symbolTable);
// if the variable is specified by only one token, we treat this as
// a "renaming" action and surpress the additional inner wrapper
dict.Add(namedToken.Name, innerDict.Count == 1 ? innerDict.Values.First() : innerDict);
}
private void ParseListToken(ListToken listToken, Scope.Node node, Scope scope,
ImmutableDictionary <Scope, Dictionary <string, object> > symbolTable, IDictionary <string, object> dict)
{
if (listToken.Delimiters != null)
{
throw new NotImplementedException("List delimiters are not supported yet.");
}
// get the number of iterations needed
var repetitions = 0;
switch (listToken.Range)
{
// automatic
case AutomaticRange automaticRange:
throw new NotImplementedException("Automatic range notation is not supported yet.");
// fixed number
case NumericRange numericRange:
repetitions = numericRange.Repetitions;
break;
// value of some named token
case TokenRange tokenRange:
object referencedValue = FindNamedTokenValue(tokenRange.ReferencedName, scope, symbolTable);
if (referencedValue is int value)
{
repetitions = value;
}
else
{
throw new ParserException($"Could not use the non-numeric value '{referencedValue}' " +
$"of token '{tokenRange.ReferencedName}' as an repetition number.");
}
break;
}
// parse the inner scope a number of times
var expandedList = new List <object>();
for (var i = 0; i < repetitions; i++)
{
Dictionary <string, object> innerRepeatedDict = ParseScope(node.InnerScope, symbolTable);
expandedList.Add(innerRepeatedDict.First().Value);
}
// find a name
Scope.Node innerNode = node;
while (innerNode.HasInnerScope)
{
innerNode = innerNode.InnerScope.First();
}
string name = "listToken";
if (innerNode.Token is NamedToken named)
{
name = named.Name + "s";
}
dict.Add(name, expandedList);
}
