public override RuntimeValueNode Evaluate()
{
var symbolNode = Operator.Left.Root as SymbolNode;
Type symbol;
RuntimeScope assignmentScope = RuntimeScope;
if (symbolNode == null && Operator.Left.Root is OperatorAccess)
{
var opAccess = Operator.Left.Root as OperatorAccess;
symbol = opAccess.ReturnSymbol;
var symbolValue = new RuntimeOperatorAccess(
opAccess,
RuntimeScope
).Evaluate();
assignmentScope = symbolValue.RuntimeScope;
}
else
{
symbol = symbolNode.Symbol;
}
var r = new RuntimeExpression(
Operator.Right,
RuntimeScope
).Evaluate();
assignmentScope.SetValue(symbol.Name, r);
return(r);
}
public RuntimeTypeValueNode(Type type) : base(null, type, RuntimeScope.Resolve(type.Scope))
{
foreach (var m in RuntimeScope.Scope.AllMembers)
{
if (!(m.Value is FunctionType))
{
continue;
}
RuntimeScope.SetValue(
m.Key,
new RuntimeFunctionValueNode(
m.Value as FunctionType,
RuntimeScope
)
);
}
}
public RuntimeFunction(
FunctionType function,
RuntimeScope scope,
RuntimeValueNode[] arguments
) : base(function.DefiningToken, scope)
{
Function = function;
Arguments = arguments;
RuntimeScope = scope;
var argsBegin = 0;
// If functions expect a this arg, this means that the first argument given contains the reference to the
// object it has been called on. Because methods do not explicitly list the this arg in the
// list of parameters, it does not appear in the arguments list either and the number of arguments
// and number of parameters are therefore off by one, which needs to be corrected.
if (Function.ExpectsThisArg)
{
argsBegin = 1;
foreach (var(key, _) in Arguments[0].RuntimeScope.Scope.AllMembers)
{
var value = Arguments[0].RuntimeScope.GetValue(key);
RuntimeScope.Parent.SetValue(key, value);
}
}
for (var i = 0; i < Function.Parameters.Length; ++i)
{
var param = Function.Parameters[i];
var arg = arguments[i + argsBegin];
if (param is FunctionType.InitializerParameterType)
{
RuntimeScope.Parent.SetValue(param.Name, arg);
}
scope.SetValue(param.Name, arg);
}
}
public RuntimeClassInstanceValueNode(Node node, ComplexType type, RuntimeScope scope)
: base(node, type, scope)
{
Value = this;
RuntimeScope.SetValue("this", this);
foreach (var m in RuntimeScope.Scope.AllMembers)
{
if (!(m.Value is FunctionType))
{
continue;
}
RuntimeScope.SetValue(
m.Key,
new RuntimeFunctionValueNode(
m.Value as FunctionType,
RuntimeScope
)
);
}
}
