private static RuleExpression AddWithAnd(BaseLexerRule lhs, BaseExpression rhs)
{
return AddWithAnd(new SymbolExpression(new LexerRuleModel(lhs)), rhs);
}
public Expr(BaseExpression baseExpression)
: base(baseExpression)
{
}
private static RuleExpression AddWithOr(BaseExpression lhs, BaseTerminal rhs)
{
return AddWithOr(
lhs,
new SymbolExpression(
new LexerRuleModel(
new TerminalLexerRule(rhs, rhs.ToString()))));
}
private static RuleExpression AddWithOr(BaseExpression lhs, BaseExpression rhs)
{
var lhsExpression = (lhs as RuleExpression) ?? new RuleExpression(lhs);
var rhsExpression = (rhs as RuleExpression) ?? new RuleExpression(rhs);
foreach (var symbolList in rhsExpression.Alterations)
lhsExpression.Alterations.Add(symbolList);
return lhsExpression;
}
private static RuleExpression AddWithOr(BaseExpression lhs, BaseLexerRule rhs)
{
return AddWithOr(lhs, new SymbolExpression(new LexerRuleModel(rhs)));
}
private static RuleExpression AddWithAnd(BaseExpression lhs, BaseExpression rhs)
{
var expression = lhs as RuleExpression ?? new RuleExpression(lhs);
expression.Alterations[expression.Alterations.Count - 1].Add(rhs);
return expression;
}
private static RuleExpression AddWithAnd(BaseTerminal lhs, BaseExpression rhs)
{
return AddWithAnd(
new SymbolExpression(
new LexerRuleModel(
new TerminalLexerRule(lhs, lhs.ToString()))),
rhs);
}
private void AddWithAnd(BaseExpression baseExpression)
{
if (Alterations.Count == 0)
Alterations.Add(new List<BaseExpression>());
Alterations[Alterations.Count - 1].Add(baseExpression);
}
public RuleExpression(BaseExpression baseExpression)
: this()
{
AddWithAnd(baseExpression);
}