Lexer tokenized input:
======================
[T:Unterminated variable reference (at EOF): $(var][Eof:]
Tokens:
=======
[Token Text at TS-err-variableRef4.txt(1:1 [0] - 1:48 [47]): 'Unterminated variable reference (at EOF): $(var']
[Token Eof at TS-err-variableRef4.txt(1:48 [47] - 1:48 [47]): '']

[PARSER ERROR: code InvalidVariableName at 1:43 [42] - 1:48 [47] in TS-err-variableRef4.txt, token text: $(var, message: Incorrect syntax was encountered while parsing '$(var'.]