// Generates a codedom instantiation expression: new foo() or new foo[x].
public static CodeExpression Emit(Instantiation instantiation)
{
// Array instantiation needs a different treatment.
if (instantiation.IsArray)
{
var c = new CodeArrayCreateExpression();
c.CreateType = new CodeTypeReference(instantiation.Name);
c.SizeExpression = CodeDomEmitter.EmitCodeExpression(instantiation.Parameters.ChildExpressions[0]);
return c;
}
else // Non-array instantiation
{
var c = new CodeObjectCreateExpression();
// The type that is being created
var createType = new CodeTypeReference(instantiation.Name);
// Apply the generic type names, if any.
foreach (var g in instantiation.GenericTypes)
{
createType.TypeArguments.Add(new CodeTypeReference(g));
}
c.CreateType = createType;
// Translate the instantiation parameters.
foreach (var a in instantiation.Parameters.ChildExpressions)
c.Parameters.Add(CodeDomEmitter.EmitCodeExpression(a));
return c;
}
}
// Build an instantiation expression "new foo()"
public static void BuildInstantiation(IronyParser parser, Root root, Expression parentExpression, ParseTreeNode currentNode)
{
var ist = new Instantiation(parentExpression, currentNode.Token.Convert());
parentExpression.ChildExpressions.Add(ist);
// A non-array instantiation
if (currentNode.ChildNodes[1].ChildNodes[0].Term.ToString() == "new_instantiate")
{
ist.Name = parser.CheckAlias(currentNode.ChildNodes[1].ChildNodes[0].FindTokenAndGetText());
if (currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[1].ChildNodes.Count > 0)
foreach (var n in currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[1].ChildNodes[0].ChildNodes[1].ChildNodes)
{
ist.GenericTypes.Add(parser.CheckAlias(n.FindTokenAndGetText()));
}
foreach (var n in currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[2].ChildNodes)
{
parser.ConsumeParseTree(root, ist.Parameters, n);
}
}
else // An array instantiation
{
ist.IsArray = true;
ist.Name = parser.CheckAlias(currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[0].FindTokenAndGetText());
parser.ConsumeParseTree(root, ist.Parameters, currentNode.ChildNodes[1].ChildNodes[0].ChildNodes[2]);
}
}