private bool TryMatchInternal(StatementCollection statements, int startIndex, out Statement result)
{
result = null;
if (statements.get_Count() < startIndex + 2)
{
return(false);
}
if (statements.get_Item(startIndex).get_CodeNodeType() != 5 || statements.get_Item(startIndex + 1).get_CodeNodeType() != 3)
{
return(false);
}
if (!String.IsNullOrEmpty(statements.get_Item(startIndex + 1).get_Label()))
{
return(false);
}
V_3 = (statements.get_Item(startIndex) as ExpressionStatement).get_Expression() as BinaryExpression;
if (!this.IsAssignToVariableExpression(V_3, out V_0))
{
return(false);
}
V_1 = V_3.get_Right();
V_4 = statements.get_Item(startIndex + 1) as IfStatement;
if (this.ContainsDummyAssignment(V_4.get_Then(), V_0))
{
stackVariable50 = 1;
}
else
{
stackVariable50 = 0;
}
V_5 = stackVariable50;
if (V_4.get_Else() != null || V_4.get_Then().get_Statements().get_Count() != 1 + V_5 || V_4.get_Then().get_Statements().get_Item(V_5).get_CodeNodeType() != 5 || !String.IsNullOrEmpty(V_4.get_Then().get_Statements().get_Item(V_5).get_Label()))
{
return(false);
}
V_6 = V_4.get_Condition() as BinaryExpression;
if (V_6 == null || V_6.get_Operator() != 9 || V_6.get_Left().get_CodeNodeType() != 26 || (object)(V_6.get_Left() as VariableReferenceExpression).get_Variable() != (object)V_0 || V_6.get_Right().get_CodeNodeType() != 22 || (V_6.get_Right() as LiteralExpression).get_Value() != null)
{
return(false);
}
V_7 = (V_4.get_Then().get_Statements().get_Item(V_5) as ExpressionStatement).get_Expression() as BinaryExpression;
if (V_7 == null || !this.IsAssignToVariableExpression(V_7, out V_8) || (object)V_8 != (object)V_0)
{
return(false);
}
V_2 = V_7.get_Right();
if (!V_1.get_HasType() || !V_2.get_HasType() || String.op_Inequality(V_1.get_ExpressionType().get_FullName(), V_2.get_ExpressionType().get_FullName()))
{
return(false);
}
V_9 = new BinaryExpression(27, V_1, V_2, this.typeSystem, null, false);
V_10 = new BinaryExpression(26, new VariableReferenceExpression(V_0, null), V_9, this.typeSystem, null, false);
stackVariable150 = new ExpressionStatement(V_10);
stackVariable150.set_Parent(statements.get_Item(startIndex).get_Parent());
result = stackVariable150;
this.FixContext(V_0.Resolve(), 1, V_5 + 1, result as ExpressionStatement);
return(true);
}
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);
}
private void ProcessLogicalConstruct(ILogicalConstruct theConstruct)
{
if (theConstruct as BlockLogicalConstruct == null)
{
if (theConstruct as ExceptionHandlingLogicalConstruct == null)
{
if (theConstruct as IfLogicalConstruct == null)
{
if (theConstruct as LoopLogicalConstruct == null)
{
if (theConstruct as SwitchLogicalConstruct == null)
{
if (theConstruct as ConditionLogicalConstruct != null)
{
this.ProcessLogicalConstruct((theConstruct as ConditionLogicalConstruct).get_FirstBlock());
}
}
else
{
V_6 = theConstruct as SwitchLogicalConstruct;
V_7 = V_6.get_ConditionCases();
V_2 = 0;
while (V_2 < (int)V_7.Length)
{
this.ProcessLogicalConstruct(V_7[V_2]);
V_2 = V_2 + 1;
}
this.ProcessLogicalConstruct(V_6.get_DefaultCase());
}
}
else
{
V_5 = theConstruct as LoopLogicalConstruct;
this.ProcessLogicalConstruct(V_5.get_LoopBodyBlock());
this.ProcessLogicalConstruct(V_5.get_LoopCondition());
}
}
else
{
V_4 = theConstruct as IfLogicalConstruct;
this.ProcessLogicalConstruct(V_4.get_Then());
if (V_4.get_Else() != null)
{
this.ProcessLogicalConstruct(V_4.get_Else());
}
}
}
else
{
this.ProcessLogicalConstruct((theConstruct as ExceptionHandlingLogicalConstruct).get_Try());
if (theConstruct as TryCatchFilterLogicalConstruct == null)
{
if (theConstruct as TryFaultLogicalConstruct == null)
{
if (theConstruct as TryFinallyLogicalConstruct != null)
{
this.ProcessLogicalConstruct((theConstruct as TryFinallyLogicalConstruct).get_Finally());
}
}
else
{
this.ProcessLogicalConstruct((theConstruct as TryFaultLogicalConstruct).get_Fault());
}
}
else
{
V_1 = (theConstruct as TryCatchFilterLogicalConstruct).get_Handlers();
V_2 = 0;
while (V_2 < (int)V_1.Length)
{
V_3 = V_1[V_2];
if (V_3.get_HandlerType() != 1)
{
if (V_3.get_HandlerType() == FilteringExceptionHandlerType.Catch)
{
this.ProcessLogicalConstruct(V_3 as ExceptionHandlingBlockCatch);
}
}
else
{
this.ProcessLogicalConstruct((V_3 as ExceptionHandlingBlockFilter).get_Filter());
this.ProcessLogicalConstruct((V_3 as ExceptionHandlingBlockFilter).get_Handler());
}
V_2 = V_2 + 1;
}
}
}
}
else
{
V_0 = (ILogicalConstruct)theConstruct.get_Entry();
while (V_0 != null)
{
this.ProcessLogicalConstruct(V_0);
if (this.visitedConstructs.Contains(V_0.get_FollowNode()))
{
V_0.set_CFGFollowNode(null);
}
V_0 = V_0.get_FollowNode();
}
this.ProcessGotoFlowConstructs(theConstruct as BlockLogicalConstruct);
}
dummyVar0 = this.visitedConstructs.Add(theConstruct);
return;
}
