public static GenericConstraintNode Parse(Lexer lex)
{
GenericConstraintNode n = new GenericConstraintNode();
lex.Dequeue("where");
var tkn = lex.Dequeue(TokenType.Identifier);
n.Parameter = tkn.Value;
lex.Dequeue(TokenType.Colon);
do
{
if (GenericConstraintTypeSet.Match(lex))
{
lex.Dequeue();
n.KeywordConstraints.Add(tkn.Value);
}
else
{
n.Constraints.Add(TRefNode.Parse(lex));
}
} while(lex.DequeueIf(TokenType.Comma, out tkn));
return(n);
}
public static InterfaceDefNode Parse(Lexer lex)
{
InterfaceDefNode n = new InterfaceDefNode();
lex.Dequeue("interface");
n.Identifier = ClassIdentNode.Parse(lex);
if (ClassInheritNode.IsPresent(lex))
{
n.Parents = ClassInheritNode.Parse(lex);
}
while (GenericConstraintNode.IsPresent(lex))
{
n.Constraints.Add(GenericConstraintNode.Parse(lex));
}
lex.Dequeue(TokenType.LBrace);
while (InterfaceEntryNode.IsPresent(lex))
{
n.Entries.Add(InterfaceEntryNode.Parse(lex));
}
lex.Dequeue(TokenType.RBrace);
return(n);
}
public static StructDefNode Parse(Lexer lex)
{
StructDefNode n = new StructDefNode();
lex.Dequeue("struct");
n.Identifier = ClassIdentNode.Parse(lex);
if (ClassInheritNode.IsPresent(lex))
{
n.Parents = ClassInheritNode.Parse(lex);
}
while (GenericConstraintNode.IsPresent(lex))
{
n.Constraints.Add(GenericConstraintNode.Parse(lex));
}
lex.Dequeue(TokenType.LBrace);
//TODO: CLASS_STRUCT_DEFS
lex.Dequeue(TokenType.RBrace);
return(n);
}
public static ClassDefNode Parse(Lexer lex)
{
ClassDefNode n = new ClassDefNode();
Token tkn;
n.IsAbstract = lex.DequeueIf("abstract", out tkn);
lex.Dequeue("class");
n.Identifier = ClassIdentNode.Parse(lex);
if (ClassInheritNode.IsPresent(lex))
{
n.Parents = ClassInheritNode.Parse(lex);
}
while (GenericConstraintNode.IsPresent(lex))
{
n.Constraints.Add(GenericConstraintNode.Parse(lex));
}
lex.Dequeue(TokenType.LBrace);
//TODO: CLASS_STRUCT_DEFS
lex.Dequeue(TokenType.RBrace);
return(n);
}
