private static void CompileMemoryFunction(int level, bool debug, Node node, Node container, NanCodeWriter wr, Scope parameterNames)
{
// Check for special increment mode
if (node.Text == "set" && Optimisations.IsSmallIncrement(node, out var incr, out var target))
{
wr.Increment(incr, target);
return;
}
var child = new Node(false, -2)
{
Text = container.Children.First.Value.Text
};
var paramCount = container.Children.Count - 1;
for (int i = paramCount; i > 0; i--)
{
child.AddLast(container.Children.ElementAt(i));
}
wr.Merge(Compile(child, level + 1, debug, parameterNames, null, Context.MemoryAccess));
if (debug)
{
wr.Comment("// Memory function : " + node.Text);
}
wr.Memory(node.Text[0], child.Text, paramCount);
}
/// <summary>
/// Output atom values
/// </summary>
private static void EmitLeafNode(Node root, bool debug, Scope parameterNames, Context compileContext, NanCodeWriter wr)
{
double leafValue = 0;
bool substitute = false;
var valueName = root.Text;
var nameHash = NanTags.GetCrushedName(valueName);
if (parameterNames.CanResolve(nameHash))
{
substitute = true;
leafValue = parameterNames.Resolve(nameHash);
}
// An unwrapped variable name?
if (IsUnwrappedIdentifier(valueName, root, compileContext))
{
if (debug)
{
wr.Comment("// treating '" + valueName + "' as an implicit get()");
}
if (substitute)
{
wr.Memory('g', leafValue);
}
else
{
wr.Memory('g', valueName, 0);
}
return;
}
if (debug)
{
wr.Comment("// Value : \"" + root + "\"\r\n");
if (substitute)
{
wr.Comment("// Parameter reference redefined as '" + valueName + "'\r\n");
}
}
switch (root.NodeType)
{
case NodeType.Numeric:
wr.LiteralNumber(double.Parse(valueName.Replace("_", "")));
break;
case NodeType.StringLiteral:
wr.LiteralString(valueName);
break;
case NodeType.Atom:
if (valueName == "true")
{
wr.LiteralInt32(-1);
}
else if (valueName == "false")
{
wr.LiteralInt32(0);
}
else if (substitute)
{
wr.RawToken(leafValue);
}
else
{
wr.VariableReference(valueName);
}
break;
default:
throw new Exception("Unexpected compiler state");
}
}
