private void InitParentheses(UnparseControl unparseControl)
{
// NOTE: operators should be determined regardless that the user specified expressions and parentheses
DetermineOperatorsParenthesesExpressions();
RegisteringExpressionsThatNeedParentheses(unparseControl);
#if DEBUG
tsParentheses.Debug("");
tsParentheses.Debug("----------------------------------------");
tsParentheses.Debug("");
tsParentheses.Debug("expressionsThatCanCauseOthersBeingParenthesized:");
tsParentheses.Debug("");
foreach (BnfTerm expression in expressionsThatCanCauseOthersBeingParenthesized)
{
tsParentheses.Debug(expression);
}
tsParentheses.Debug("");
tsParentheses.Debug("expressionThatMayNeedParenthesesToParentheses:");
tsParentheses.Debug("");
foreach (var pair in expressionThatMayNeedParenthesesToParentheses)
{
tsParentheses.Debug("{0}; left parenthesis: '{1}', right parenthesis: '{2}'", pair.Key, pair.Value.LeftParenthesis, pair.Value.RightParenthesis);
}
#endif
}
private void RegisteringExpressionsThatNeedParentheses(UnparseControl unparseControl)
{
if (unparseControl.ExpressionToParenthesesHasBeenSet)
{
this.expressionsThatCanCauseOthersBeingParenthesized = new HashSet <BnfTerm>(unparseControl.GetExpressionToParentheses().Keys());
this.expressionThatMayNeedParenthesesToParentheses = unparseControl.GetExpressionToParentheses().ToDictionary(pair => pair.Key, pair => pair.Value);
}
else
{
this.expressionsThatCanCauseOthersBeingParenthesized = new HashSet <BnfTerm>();
this.expressionThatMayNeedParenthesesToParentheses = new Dictionary <BnfTerm, ParenthesizedExpression>();
this._examinedBnfTermsInCurrentPath = new Bag <BnfTerm>();
RegisteringExpressionsThatNeedParentheses(unparser.Grammar.Root);
lock (unparseControl)
{ // handle concurrent unparsers initializations with one shared grammar and unparseControl
if (!unparseControl.ExpressionToParenthesesHasBeenSet)
{
unparseControl.SetExpressionToParentheses(expressionThatMayNeedParenthesesToParentheses);
}
}
}
}
public ExpressionUnparser(Unparser unparser, UnparseControl unparseControl)
{
this.unparser = unparser;
InitParentheses(unparseControl);
}
