private static void AddDeclarationsFromAssignments(Block block, Scope scope)
{
var variables = block.Expressions.OfType<Assign>().Select(assign => assign.Variable as Value).Where(v => !v.HasProperties);
foreach (var name in CompileToNames(variables))
scope.GetOrCreate(VariableType.Variable, name);
}
public static Expression CompileCode(Code code, Scope scope)
{
var block = code.Body as Block;
scope = new Scope(scope, block, code, scope.Runtime);
var parameters = new List<ParameterExpression>();
var funcArgs = new List<Type> { typeof(object) };
foreach (var name in CompileToNames(code.Parameters))
{
parameters.Add(scope.GetOrCreate(VariableType.Parameter, name));
funcArgs.Add(typeof(object));
}
AddDeclarationsFromAssignments(block, scope);
var body = Compile(code.Body, scope);
Helper.IsTrue(string.IsNullOrEmpty(code.Name));
return Expression.Lambda(Expression.GetFuncType(funcArgs.ToArray()), body, code.Name, parameters);
}