private Location Location()
{
int index = lexer.SymbolIndex;
VariableLocation location = new VariableLocation(index);
Match(Token.Variable);
if (lookahead == Token.LeftParen)
{
List<Expression> exprs = new List<Expression>();
Match(Token.LeftParen);
exprs.Add(Expression());
while (lookahead == Token.Comma)
{
Match(Token.Comma);
exprs.Add(Expression());
}
Match(Token.RightParen);
return new ArrayElement(location, exprs.ToArray());
}
else return location;
}
public ArrayElement(VariableLocation loc, params Expression[] exprs)
{
this.location = loc;
this.exprs = exprs;
}