IronPython.Compiler.Parser.ParseForStmt C# (CSharp) Метод

        private ForStatement ParseForStmt() {
            Eat(TokenKind.KeywordFor);
            var start = GetStart();

            bool trailingComma;
            List<Expression> l = ParseTargetList(out trailingComma);

            // expr list is something like:
            //  ()
            //  a
            //  a,b
            //  a,b,c
            // we either want just () or a or we want (a,b) and (a,b,c)
            // so we can do tupleExpr.EmitSet() or loneExpr.EmitSet()

            Expression lhs = MakeTupleOrExpr(l, trailingComma);
            Eat(TokenKind.KeywordIn);
            Expression list = ParseTestListAsExpr();
            var header = GetEnd();
            Statement body = ParseLoopSuite();
            Statement else_ = null;
            if (MaybeEat(TokenKind.KeywordElse)) {
                else_ = ParseSuite();
            }
            ForStatement ret = new ForStatement(lhs, list, body, else_);
            ret.HeaderIndex = header;
            ret.SetLoc(_globalParent, start, GetEnd());
            return ret;
        }