public static KeyValuePair <CFGBlockLogicalConstruct, CFGBlockLogicalConstruct> SplitCFGBlockAt(LogicalFlowBuilderContext logicalContext, CFGBlockLogicalConstruct cfgBlock, int expressionIndex)
{
V_0 = cfgBlock.get_LogicalConstructExpressions();
if (V_0 == null)
{
throw new ArgumentNullException("blockExpressions");
}
if (expressionIndex <= 0 || expressionIndex >= V_0.get_Count())
{
throw new ArgumentOutOfRangeException("expressionIndex");
}
V_1 = logicalContext.get_CFGBlockToLogicalConstructMap().get_Item(cfgBlock.get_TheBlock());
V_2 = (int)V_1.Length;
V_3 = 0;
while (V_3 < V_2 && cfgBlock != V_1[V_3])
{
V_3 = V_3 + 1;
}
if (V_3 == V_2)
{
throw new ArgumentException("cfgBlock");
}
V_4 = cfgBlock.get_LogicalConstructExpressions().GetRange(0, expressionIndex);
V_5 = new PartialCFGBlockLogicalConstruct(cfgBlock, V_4);
V_5.RedirectPredecessors();
V_6 = cfgBlock.get_LogicalConstructExpressions().GetRange(expressionIndex, V_0.get_Count() - expressionIndex);
V_7 = new PartialCFGBlockLogicalConstruct(cfgBlock, V_6);
V_7.RedirectSuccessors();
V_5.AddToSuccessors(V_7);
V_7.AddToPredecessors(V_5);
V_8 = new CFGBlockLogicalConstruct[V_2 + 1];
V_9 = 0;
V_10 = 0;
while (V_9 < V_2)
{
if (V_9 == V_3)
{
V_8[V_10] = V_5;
stackVariable68 = V_10 + 1;
V_10 = stackVariable68;
V_8[stackVariable68] = V_7;
}
else
{
V_8[V_10] = V_1[V_9];
}
V_9 = V_9 + 1;
V_10 = V_10 + 1;
}
logicalContext.get_CFGBlockToLogicalConstructMap().set_Item(cfgBlock.get_TheBlock(), V_8);
return(new KeyValuePair <CFGBlockLogicalConstruct, CFGBlockLogicalConstruct>(V_5, V_7));
}
private bool TryProcessConditionalDisposeHandler(YieldExceptionHandlerInfo yieldExceptionHandler, CFGBlockLogicalConstruct startBlock)
{
if (this.finallyBlocks.get_Count() > 0)
{
return(false);
}
if (startBlock as PartialCFGBlockLogicalConstruct == null || startBlock.get_CFGSuccessors().get_Count() != 1)
{
return(false);
}
if (startBlock.get_LogicalConstructExpressions().get_Count() == 0)
{
return(false);
}
V_0 = startBlock.get_LogicalConstructExpressions().get_Item(0) as BinaryExpression;
if (V_0 == null || !V_0.get_IsAssignmentExpression() || V_0.get_Left().get_CodeNodeType() != 30 || (V_0.get_Left() as FieldReferenceExpression).get_Field().Resolve() != this.stateFieldRef || V_0.get_Right().get_CodeNodeType() != 22 || (Int32)(V_0.get_Right() as LiteralExpression).get_Value() != yieldExceptionHandler.get_NextState())
{
return(false);
}
if (startBlock.get_LogicalConstructExpressions().get_Count() != 2 || yieldExceptionHandler.get_HandlerType() != 2)
{
if (startBlock.get_LogicalConstructExpressions().get_Count() != 1 || yieldExceptionHandler.get_HandlerType() != 1)
{
return(false);
}
}
else
{
V_6 = startBlock.get_LogicalConstructExpressions().get_Item(1) as BinaryExpression;
if (V_6 == null || !V_6.get_IsAssignmentExpression() || V_6.get_Left().get_CodeNodeType() != 30 || (object)(V_6.get_Left() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_DisposableField() || V_6.get_Right().get_CodeNodeType() != 33 || (V_6.get_Right() as SafeCastExpression).get_Expression().get_CodeNodeType() != 30 || (object)((V_6.get_Right() as SafeCastExpression).get_Expression() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_EnumeratorField())
{
return(false);
}
}
V_2 = startBlock.get_CFGSuccessors().GetEnumerator();
V_7 = V_2;
try
{
dummyVar0 = V_2.MoveNext();
V_1 = V_2.get_Current();
}
finally
{
if (V_7 != null)
{
V_7.Dispose();
}
}
if (V_1.get_LogicalConstructExpressions().get_Count() != 1)
{
return(false);
}
V_3 = V_1.get_LogicalConstructExpressions().get_Item(0) as BinaryExpression;
if (V_3 == null || V_3.get_Operator() != 9 || V_3.get_Left().get_CodeNodeType() != 30 || (object)(V_3.get_Left() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_DisposableField() || V_3.get_Right().get_CodeNodeType() != 22 || (V_3.get_Right() as LiteralExpression).get_Value() != null)
{
return(false);
}
V_4 = null;
V_8 = V_1.get_CFGSuccessors().GetEnumerator();
try
{
while (V_8.MoveNext())
{
V_9 = V_8.get_Current() as CFGBlockLogicalConstruct;
if (V_9 == null || V_9.get_CFGPredecessors().get_Count() != 1)
{
continue;
}
V_4 = V_9;
goto Label0;
}
}
finally
{
((IDisposable)V_8).Dispose();
}
Label0:
if (V_4 == null || V_4.get_LogicalConstructExpressions().get_Count() != 1)
{
return(false);
}
V_5 = V_4.get_LogicalConstructExpressions().get_Item(0) as MethodInvocationExpression;
if (V_5 == null || !V_5.get_VirtualCall() || V_5.get_MethodExpression().get_Target().get_CodeNodeType() != 30 || (object)(V_5.get_MethodExpression().get_Target() as FieldReferenceExpression).get_Field() != (object)yieldExceptionHandler.get_DisposableField() || String.op_Inequality(V_5.get_MethodExpression().get_Method().get_Name(), "Dispose"))
{
return(false);
}
this.finallyEntryBlock = startBlock;
dummyVar1 = this.finallyBlocks.Add(startBlock);
this.conditionBlock = V_1;
dummyVar2 = this.finallyBlocks.Add(V_1);
this.disposeCallBlock = V_4;
dummyVar3 = this.finallyBlocks.Add(V_4);
return(true);
}