Method _parseVarArgsList

server/src/parser/parser.ts:565–642

(terminator: TokenType, allowAnnotations: boolean)

    // tfpdef: NAME [':' test]
    // vfpdef: NAME;
    private _parseVarArgsList(terminator: TokenType, allowAnnotations: boolean): ParameterNode[] {
        let paramMap = new StringMap<string>();
        let paramList: ParameterNode[] = [];
        let sawDefaultParam = false;
        let reportedNonDefaultParamErr = false;
        let sawKwSeparator = false;
        let sawVarArgs = false;
        let sawKwArgs = false;

        while (true) {
            if (this._peekTokenType() === terminator) {
                break;
            }

            let param = this._parseParameter(allowAnnotations);
            if (!param) {
                this._consumeTokensUntilType(terminator);
                break;
            }

            if (param.name) {
                let name = param.name.nameToken.value;
                if (!paramMap.set(name, name)) {
                    this._addError(`Duplicate parameter '${ name }'`, param.name);
                }
            }

            if (param.category === ParameterCategory.Simple) {
                if (param.defaultValue) {
                    sawDefaultParam = true;
                } else if (sawDefaultParam && !sawKwSeparator) {
                    // Report this error only once.
                    if (!reportedNonDefaultParamErr) {
                        this._addError(`Non-default argument follows default argument`, param);
                        reportedNonDefaultParamErr = true;
                    }
                }
            }

            paramList.push(param);

            if (param.category === ParameterCategory.VarArgList) {
                if (!param.name) {
                    if (sawKwSeparator) {
                        this._addError(`Only one '*' separator is allowed`, param);
                    }
                    sawKwSeparator = true;
                } else {
                    if (sawVarArgs) {
                        this._addError(`Only one '*' parameter is allowed`, param);
                    }
                    sawVarArgs = true;
                }
            }

            if (param.category === ParameterCategory.VarArgDictionary) {
                if (sawKwArgs) {
                    this._addError(`Only one '**' parameter is allowed`, param);