public static Expression Bind(CodeGenerationContext codeGenerationContext, TypeDefinitionExpression expression, ParameterExpression zone, ParameterExpression theCopy)
{
var builder = new PropertiesToCopyExpressionBinder(codeGenerationContext, expression.Type, zone, theCopy);
builder.Visit(expression);
return builder.statements.ToStatementisedGroupedExpression();
}
public static Expression Bind(CodeGenerationContext codeGenerationContext, TypeDefinitionExpression expression, ParameterExpression zone, ParameterExpression theCopy)
{
var builder = new PropertiesToCopyExpressionBinder(codeGenerationContext, expression.Type, zone, theCopy);
builder.Visit(expression);
return(builder.statements.ToStatementisedGroupedExpression());
}
private Expression CreateCopyWithZoneMethod(TypeDefinitionExpression expression)
{
var currentType = (FickleType)expression.Type;
var zone = FickleExpression.Parameter("NSZone", "zone");
var self = Expression.Parameter(currentType, "self");
var theCopy = Expression.Variable(expression.Type, "theCopy");
Expression newExpression;
if (expression.Type.BaseType == typeof(object))
{
newExpression = FickleExpression.Call(FickleExpression.Call(FickleExpression.Call(self, "Class", "class", null), "allocWithZone", zone), expression.Type, "init", null);
}
else
{
var super = FickleExpression.Variable(expression.Type.BaseType.Name, "super");
newExpression = FickleExpression.Call(super, FickleType.Define("id"), "copyWithZone", zone);
}
var initTheCopy = Expression.Assign(theCopy, newExpression).ToStatement();
var returnStatement = Expression.Return(Expression.Label(), theCopy).ToStatement();
var copyStatements = PropertiesToCopyExpressionBinder.Bind(codeGenerationContext, expression, zone, theCopy);
Expression methodBody = Expression.Block
(
new[] { theCopy },
initTheCopy,
FickleExpression.GroupedWide
(
copyStatements,
returnStatement
)
);
return(new MethodDefinitionExpression("copyWithZone", new Expression[] { zone }.ToReadOnlyCollection(), typeof(object), methodBody, false, null));
}
