quote static method
Implementation
static String quote(Expression expression,
{String prefix = '', String suffix = ''}) {
var result = '$expression';
if (expression is SequenceExpression) {
if (expression.expressions.length > 1) {
result = '($result)';
}
} else if (expression is OrderedChoiceExpression) {
if (expression.expressions.length > 1) {
result = '($result)';
}
}
return '$prefix$result$suffix';
}