private static Brep.Node BuildAssignment(Brep.LocationNode location, Brep.Node expr)
{
if (location == null)
{
throw new InvalidOperationException("Cannot assign something to a null location");
}
return(new Brep.AssignmentNode(location, expr));
}
public Brep.Node Build(Vertex expVertex)
{
visitted[expVertex] = true;
Brep.Node newNode = null;
if (expVertex is ConditionalJumpVertex)
{
var condVertex = expVertex as ConditionalJumpVertex;
var condNode = NodeBuilder.BuildNode(condVertex.Expression, funDef);
Action <Brep.Node> trueAct = null;
Action <Brep.Node> falseAct = null;
newNode = new Brep.ConditionalJumpNode(condNode, out trueAct, out falseAct);
HandleAction(trueAct, condVertex.TrueJump);
HandleAction(falseAct, condVertex.FalseJump);
}
else if (expVertex is OneJumpVertex)
{
// I interpret it as a sequence of two actions, therefore:
var jumpVertex = expVertex as OneJumpVertex;
var first = NodeBuilder.BuildNode(jumpVertex.Expression, funDef);
Action <Brep.Node> secondAct = null;
newNode = new Brep.SequenceNode(new List <Brep.Node> {
first
}, out secondAct);
HandleAction(secondAct, jumpVertex.Jump);
}
else
{
var retVertex = expVertex as ReturnVertex;
newNode = NodeBuilder.BuildNode(retVertex.Expression, funDef);
}
if (expVertex == resNode)
{
funDef.BackendFunction.Result = newNode;
}
// finish build of dependent nodes
if (awaiting.ContainsKey(expVertex))
{
foreach (var act in awaiting[expVertex])
{
act(newNode);
}
}
built[expVertex] = newNode;
return(newNode);
}
public Brep.Node Build(FunctionCallNode funCallNode)
{
var args = new Brep.Node[funCallNode.Arguments.Count];
for (var i = 0; i < args.Length; ++i)
{
args[i] = Build(funCallNode.Arguments[i] as dynamic);
}
Action <Brep.Node> setter;
return(funCallNode.Definition.BackendFunction.FunctionCall(funDef.BackendFunction, args, out setter));
}