private Stmt ClassDeclaration()
{
var name = Consume(IDENTIFIER, "Expected class name.");
Expr superclass = null;
if (Match(LESS))
{
Consume(IDENTIFIER, "Expected superclass.");
superclass = new Expr.Variable(Previous());
}
Consume(LEFT_BRACE, "Expected '{' before class body.");
var methods = new List <Stmt.Function>();
while (!Check(RIGHT_BRACE) && !IsAtEnd())
{
methods.Add(Function("method"));
}
Consume(RIGHT_BRACE, "Expected '}' after class body.");
return(new Stmt.Class(name, superclass, methods));
}
public object VisitVariableExpr(Expr.Variable expr)
{
if (IsDeclaredExact(expr.Name.Lexeme, false) == true)
{
_logger.Error(expr.Name,
"Cannot read local variable in its own initializer.");
}
ResolveLocal(expr, expr.Name);
return(null);
}
public object VisitVariableExpr(Expr.Variable expr)
{
return(LookUpVariable(expr.Name, expr));
}
public string VisitVariableExpr(Expr.Variable expr)
{
return(expr.Name.Lexeme);
}