Method emitWhile

source/python.js:16866–16870

(stmt)

                }
            }
            emitWhile(stmt) {
                const cond = stmt.test;
                const emit_body = () => this.emitStatements(stmt.body);
                this.emitLoopCommon(stmt.range(), emit_body, null, [], cond);
            }
            emitIsInstance(obj, classinfo) {
                const lhs_val = this.emitExpr(obj);
                const lhs_types = [];