Method _parseSubscriptList

server/src/parser/parser.ts:1644–1663

()

    // subscriptlist: subscript (',' subscript)* [',']
    private _parseSubscriptList(): ExpressionNode {
        let listResult = this._parseExpressionListGeneric(() => this._parseSubscript(), () => {
            // Override the normal terminal check to exclude colons,
            // which are a valid way to start subscription expressions.
            if (this._peekTokenType() === TokenType.Colon) {
                return false;
            }
            return this._isNextTokenNeverExpression();
        });

        if (listResult.parseError) {
            return listResult.parseError;
        }

        if (listResult.list.length === 0) {
            return this._handleExpressionParseError('Expected index or slice expression');
        }

        return this._makeExpressionOrTuple(listResult);
    }

    // subscript: test | [test] ':' [test] [sliceop]
    // sliceop: ':' [test]