private bool TryMatchInternal(StatementCollection statements, int startIndex, out Statement result) { result = null; if (startIndex + 1 >= statements.get_Count()) { return(false); } if (statements.get_Item(startIndex).get_CodeNodeType() != 5 || statements.get_Item(startIndex + 1).get_CodeNodeType() != 3) { return(false); } V_0 = statements.get_Item(startIndex) as ExpressionStatement; if (V_0.get_Expression().get_CodeNodeType() != 24) { return(false); } V_1 = V_0.get_Expression() as BinaryExpression; if (V_1.get_Left().get_CodeNodeType() != 26 || V_1.get_Right().get_CodeNodeType() != 48) { return(false); } V_2 = V_1.get_Left() as VariableReferenceExpression; V_3 = V_1.get_Right() as EventReferenceExpression; V_4 = statements.get_Item(startIndex + 1) as IfStatement; if (V_4.get_Then() == null || V_4.get_Else() != null || V_4.get_Condition().get_CodeNodeType() != 24) { return(false); } V_5 = V_4.get_Condition() as BinaryExpression; if (V_5.get_Left().get_CodeNodeType() != 26 || V_5.get_Right().get_CodeNodeType() != 22 || V_5.get_Operator() != 10) { return(false); } V_6 = V_5.get_Left() as VariableReferenceExpression; if ((object)V_2.get_Variable() != (object)V_6.get_Variable()) { return(false); } if ((V_5.get_Right() as LiteralExpression).get_Value() != null) { return(false); } V_7 = V_4.get_Then().get_Statements(); if (V_7.get_Count() != 1 || V_7.get_Item(0).get_CodeNodeType() != 5) { return(false); } V_8 = V_7.get_Item(0) as ExpressionStatement; if (V_8.get_Expression().get_CodeNodeType() != 51) { return(false); } V_9 = V_8.get_Expression() as DelegateInvokeExpression; if (V_9.get_Target() == null || V_9.get_Target().get_CodeNodeType() != 26) { return(false); } V_10 = V_9.get_Target() as VariableReferenceExpression; if ((object)V_10.get_Variable() != (object)V_2.get_Variable()) { return(false); } V_11 = new List <Instruction>(); V_11.AddRange(V_0.get_UnderlyingSameMethodInstructions()); V_11.AddRange(V_5.get_UnderlyingSameMethodInstructions()); V_11.AddRange(V_9.get_MappedInstructions()); V_11.AddRange(V_10.get_UnderlyingSameMethodInstructions()); result = new ExpressionStatement(new RaiseEventExpression(V_3.get_Event(), V_9.get_InvokeMethodReference(), V_9.get_Arguments(), V_11)); return(true); }