Method validateAssignLhsExpr

source/python.js:17814–17833

(lhs /*, r */)

                }
            }
            validateAssignLhsExpr(lhs /*, r */) {
                let num_normal_assign = 0;
                let num_starred = 0;
                for (const assignee of lhs) {
                    if (assignee instanceof ast.Name || assignee instanceof ast.Subscript || assignee instanceof ast.Tuple || assignee instanceof ast.Attribute) {
                        num_normal_assign++;
                    } else if (assignee instanceof ast.Starred) {
                        num_starred++;
                    } else {
                        throw new python.Error('Assignment must be a variable, subscript, or starred expression.');
                    }
                }
                if (num_starred > 1) {
                    throw new python.Error('Only one starred expression is allowed.');
                }
                if (num_starred > 0 && num_normal_assign === 0) {
                    throw new python.Error('Invalid starred expression.');
                }
                return num_starred;
            }
            createTempName(prefix) {
                return `${prefix}${this._temp_name_count++}`;
            }