private bool CheckIfStatementStructure(IfStatement theIf)
{
if (theIf.get_Else() == null && theIf.get_Condition().get_CodeNodeType() == 24)
{
if (theIf.get_Then().get_Statements().get_Count() == 1 && theIf.get_Then().get_Statements().get_Item(0).get_CodeNodeType() == 5)
{
this.cachingVersion = 0;
return(true);
}
if (theIf.get_Then().get_Statements().get_Count() == 3)
{
V_0 = theIf.get_Then().get_Statements().get_Item(0) as ExpressionStatement;
if (V_0 == null)
{
return(false);
}
V_1 = V_0.get_Expression() as BinaryExpression;
if (V_1 == null)
{
return(false);
}
if (!V_1.get_IsAssignmentExpression() || V_1.get_Left().get_CodeNodeType() != 26 || V_1.get_Right().get_CodeNodeType() != 26 || !this.initializationsToRemove.ContainsKey((V_1.get_Right() as VariableReferenceExpression).get_Variable()))
{
return(false);
}
if (theIf.get_Then().get_Statements().get_Item(1).get_CodeNodeType() != 5)
{
return(false);
}
V_2 = theIf.get_Then().get_Statements().get_Item(2) as ExpressionStatement;
if (V_2 == null)
{
return(false);
}
V_3 = V_2.get_Expression() as BinaryExpression;
if (V_3 == null)
{
return(false);
}
if (!V_3.get_IsAssignmentExpression() || V_3.get_Left().get_CodeNodeType() != 30 || V_3.get_Right().get_CodeNodeType() != 26 || !this.initializationsToRemove.ContainsKey((V_3.get_Right() as VariableReferenceExpression).get_Variable()))
{
return(false);
}
this.cachingVersion = 1;
return(true);
}
}
return(false);
}
private bool CheckVariableCaching(IfStatement theIf)
{
V_0 = theIf.get_Condition() as BinaryExpression;
if (V_0.get_Operator() != 9 || V_0.get_Right().get_CodeNodeType() != 22 || (V_0.get_Right() as LiteralExpression).get_Value() != null)
{
return(false);
}
V_1 = (V_0.get_Left() as VariableReferenceExpression).get_Variable();
if (!this.initializationsToRemove.ContainsKey(V_1))
{
return(false);
}
if (this.cachingVersion == RemoveDelegateCachingStep.DelegateCachingVersion.V1)
{
stackVariable25 = 0;
}
else
{
stackVariable25 = 1;
}
V_2 = stackVariable25;
V_3 = (theIf.get_Then().get_Statements().get_Item(V_2) as ExpressionStatement).get_Expression() as BinaryExpression;
if (V_3 == null || !V_3.get_IsAssignmentExpression() || V_3.get_Left().get_CodeNodeType() != 26 || (object)(V_3.get_Left() as VariableReferenceExpression).get_Variable() != (object)V_1)
{
return(false);
}
if (this.variableToReplacingExpressionMap.ContainsKey(V_1))
{
throw new Exception("A caching variable cannot be assigned more than once.");
}
V_4 = V_1.get_VariableType().Resolve();
if (V_4 == null || V_4.get_BaseType() == null || String.op_Inequality(V_4.get_BaseType().get_FullName(), "System.MulticastDelegate"))
{
return(false);
}
this.variableToReplacingExpressionMap.set_Item(V_1, V_3.get_Right());
return(true);
}
public override void VisitBoxExpression(BoxExpression node)
{
V_0 = new Stack <Expression>();
V_0.Push(this.parentExpressions.Pop());
if (this.parentExpressions.get_Count() > 0)
{
V_1 = this.parentExpressions.Peek();
if (V_1 as MemberReferenceExpresion == null)
{
if (V_1 as MethodInvocationExpression != null || V_1 as FieldReferenceExpression != null || V_1 as PropertyReferenceExpression != null)
{
node.set_IsAutoBox(true);
}
else
{
if (V_1 as BinaryExpression == null)
{
if (V_1 as ReturnExpression == null)
{
if (V_1 as YieldReturnExpression != null && (V_1 as YieldReturnExpression).get_Expression().Equals(node))
{
node.set_IsAutoBox(true);
}
}
else
{
if (!String.op_Equality(this.context.get_Method().get_ReturnType().get_FullName(), "System.Object"))
{
V_4 = node.get_BoxedExpression().get_ExpressionType().Resolve();
if (V_4 != null && V_4.get_IsValueType())
{
node.set_IsAutoBox(true);
}
}
else
{
node.set_IsAutoBox(true);
}
}
}
else
{
V_3 = V_1 as BinaryExpression;
if (V_3.get_IsAssignmentExpression() && V_3.get_Right().Equals(node))
{
node.set_IsAutoBox(true);
}
if (V_3.get_IsComparisonExpression() && node.get_BoxedAs().get_IsGenericParameter())
{
if (V_3.get_Left() == node && V_3.get_Right() as LiteralExpression != null && (V_3.get_Right() as LiteralExpression).get_Value() == null)
{
node.set_IsAutoBox(true);
}
if (V_3.get_Right() == node && V_3.get_Left() as LiteralExpression != null && (V_3.get_Left() as LiteralExpression).get_Value() == null)
{
node.set_IsAutoBox(true);
}
}
}
}
}
else
{
V_2 = this.parentExpressions.Pop() as MemberReferenceExpresion;
V_0.Push(V_2);
if (V_2.get_Member() as MethodReference != null)
{
node.set_IsAutoBox(true);
}
}
}
while (V_0.get_Count() > 0)
{
this.parentExpressions.Push(V_0.Pop());
}
this.VisitBoxExpression(node);
return;
}