parseProgram->parseProgramStatement
parseProgramStatement->parseStatement
parseStatement->parseVarStatement

group List Index 0
parseVarStatement->parseExpression
parseExpression->parseListLiteralExpression
parseListLiteralExpression->parsePrimaryExpression

parseListLiteralExpression<-parsePrimaryExpression
parseExpression<-parseListLiteralExpression
parseVarStatement<-parseExpression
end

group List Index 1
parseVarStatement->parseExpression
parseExpression->parseListLiteralExpression
parseListLiteralExpression->parsePrimaryExpression

parseListLiteralExpression<-parsePrimaryExpression
parseExpression<-parseListLiteralExpression
parseVarStatement<-parseExpression
end

group List Index 2
parseVarStatement->parseExpression
parseExpression->parseListLiteralExpression
parseListLiteralExpression->parsePrimaryExpression

parseListLiteralExpression<-parsePrimaryExpression
parseExpression<-parseListLiteralExpression
parseVarStatement<-parseExpression
end


parseStatement<-parseVarStatement
parseProgramStatement<-parseStatement
parseProgram<-parseProgramStatement