/// <summary>
/// Either external function or member name.
/// </summary>
/// <returns></returns>
public object VisitMemberAccess(MemberAccessExpr expr)
{
var memberAccess = MemberHelper.GetMemberAccess(expr, this.Ctx, expr.VarExp, expr.MemberName, this);
if (expr.IsAssignment)
return memberAccess;
if (memberAccess.MemberMissing)
throw expr.BuildRunTimeException("Member : " + expr.MemberName + " does not exist");
// NOTES:
// 1. If property on a built in type && not assignment then just return the value of the property
// 2. It's done here instead because there is no function/method call on a property.
if (memberAccess.IsPropertyAccessOnBuiltInType())
{
var result = FunctionHelper.CallMemberOnBasicType(this.Ctx, expr, memberAccess, null, null, this);
return result;
}
if (memberAccess.IsPropertyAccessOnClass() || memberAccess.IsFieldAccessOnClass())
{
var result = FunctionHelper.CallMemberOnClass(this.Ctx, expr, memberAccess, null, null, this);
return result;
}
if (memberAccess.IsModuleAccess())
{
var result = MemberHelper.ResolveSymbol(memberAccess.Scope, expr.MemberName);
return result;
}
return memberAccess;
}
/// <summary>
/// Creates a function call expression.
/// </summary>
/// <param name="nameExpr"></param>
/// <param name="parameters"></param>
/// <param name="token"></param>
/// <returns></returns>
public static Expr MemberAccess(Expr nameExpr, string memberName, bool isAssignment, TokenData token)
{
var exp = new MemberAccessExpr();
exp.IsAssignment = isAssignment;
exp.VarExp = nameExpr;
exp.MemberName = memberName;
SetupContext(exp, token);
return exp;
}
/// <summary>
/// Visits the function call expression tree
/// </summary>
/// <param name="exp"></param>
public object VisitMemberAccess(MemberAccessExpr exp)
{
return null;
}