IronRuby.Compiler.Ast.RegexMatchReference.TransformRead C# (CSharp) Метод

        internal override MSA.Expression/*!*/ TransformRead(AstGenerator/*!*/ gen) {
            switch (_index) {
                case MatchData: 
                    return Methods.GetCurrentMatchData.OpCall(gen.CurrentScopeVariable);
                
                case MatchLastGroup:
                    return Methods.GetCurrentMatchLastGroup.OpCall(gen.CurrentScopeVariable);
                
                case PreMatch:
                    return Methods.GetCurrentPreMatch.OpCall(gen.CurrentScopeVariable);

                case PostMatch:
                    return Methods.GetCurrentPostMatch.OpCall(gen.CurrentScopeVariable);

                default:
                    return Methods.GetCurrentMatchGroup.OpCall(gen.CurrentScopeVariable, AstUtils.Constant(_index));
            }            
        }