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);
}
public static bool TryMatch(BlockStatement filter, out VariableDeclarationExpression variableDeclaration, out Expression filterExpression)
{
variableDeclaration = null;
filterExpression = null;
if (!CatchClausesFilterPattern.TryMatchVariableDeclaration(filter, out variableDeclaration))
{
return(false);
}
if (filter.get_Statements().get_Count() != 3)
{
return(false);
}
V_0 = filter.get_Statements().get_Item(1) as IfStatement;
if (V_0 == null)
{
return(false);
}
V_1 = null;
V_2 = null;
if ((V_0.get_Condition() as BinaryExpression).get_Operator() != 10)
{
V_1 = V_0.get_Else();
V_2 = V_0.get_Then();
}
else
{
V_1 = V_0.get_Then();
V_2 = V_0.get_Else();
}
V_3 = null;
V_4 = null;
if (V_1.get_Statements().get_Count() != 1 && V_1.get_Statements().get_Count() != 2 && V_1.get_Statements().get_Count() != 3 || V_2.get_Statements().get_Count() != 1)
{
return(false);
}
if (V_1.get_Statements().get_Count() != 2)
{
if (V_1.get_Statements().get_Count() == 3)
{
V_8 = V_1.get_Statements().get_Item(0) as ExpressionStatement;
V_9 = V_1.get_Statements().get_Item(1) as ExpressionStatement;
if (V_8 == null || V_9 == null)
{
return(false);
}
if (V_8.get_Expression().get_CodeNodeType() != 24 || V_9.get_Expression().get_CodeNodeType() != 19)
{
if (V_8.get_Expression().get_CodeNodeType() != 19 || V_9.get_Expression().get_CodeNodeType() != 24)
{
return(false);
}
V_4 = V_8;
V_3 = V_9;
}
else
{
V_3 = V_8;
V_4 = V_9;
}
}
}
else
{
V_7 = V_1.get_Statements().get_Item(0) as ExpressionStatement;
if (V_7 == null)
{
return(false);
}
if (V_7.get_Expression().get_CodeNodeType() != 24)
{
if (V_7.get_Expression().get_CodeNodeType() != 19)
{
return(false);
}
V_4 = V_7;
}
else
{
V_3 = V_7;
}
}
if (V_3 != null)
{
V_10 = V_3.get_Expression() as BinaryExpression;
if (V_10 == null || !V_10.get_IsAssignmentExpression() || String.op_Inequality(V_10.get_ExpressionType().get_FullName(), variableDeclaration.get_ExpressionType().get_FullName()))
{
return(false);
}
stackVariable98 = V_10.get_Left() as VariableReferenceExpression;
V_11 = V_10.get_Right() as VariableReferenceExpression;
if (stackVariable98 == null || V_11 == null)
{
return(false);
}
}
if (V_4 != null)
{
V_12 = V_4.get_Expression() as MethodInvocationExpression;
if (V_12 == null || String.op_Inequality(V_12.get_MethodExpression().get_Method().get_FullName(), "System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)"))
{
return(false);
}
}
V_5 = filter.get_Statements().get_Item(2) as ExpressionStatement;
if (V_5 == null)
{
return(false);
}
V_6 = V_5.get_Expression() as VariableReferenceExpression;
if (V_6 == null)
{
return(false);
}
if (!CatchClausesFilterPattern.TryMatchFilterExpression(V_0, variableDeclaration.get_Variable().get_VariableType(), V_6, out filterExpression))
{
return(false);
}
return(true);
}