public bool TryMatch(StatementCollection statements, out int startIndex, out Statement result, out int replacedStatementsCount)
{
replacedStatementsCount = 0;
startIndex = -1;
result = null;
V_0 = false;
if (statements.get_Count() == 0)
{
return(false);
}
V_1 = new HashSet <VariableDefinition>();
V_2 = this.GetStatementsToInline(statements);
V_3 = V_2.get_Count() - 1;
while (V_3 >= 0)
{
V_4 = V_2.get_Item(V_3);
V_5 = statements.get_Item(V_4) as ExpressionStatement;
V_6 = ((V_5.get_Expression() as BinaryExpression).get_Left() as VariableReferenceExpression).get_Variable().Resolve();
if (V_4 == statements.get_Count() - 1 || !String.IsNullOrEmpty(V_5.get_Label()))
{
dummyVar0 = V_1.Add(V_6);
}
else
{
V_7 = new List <Instruction>(V_5.get_Expression().get_MappedInstructions());
V_7.AddRange((V_5.get_Expression() as BinaryExpression).get_Left().get_UnderlyingSameMethodInstructions());
V_8 = (V_5.get_Expression() as BinaryExpression).get_Right().CloneAndAttachInstructions(V_7);
if (this.inliner.TryInlineVariable(V_6, V_8, statements.get_Item(V_4 + 1), this.ShouldInlineAggressively(V_6), out V_9))
{
statements.RemoveAt(V_4);
V_0 = true;
dummyVar1 = V_1.Add(V_6);
this.methodContext.RemoveVariable(V_6);
statements.set_Item(V_4, (Statement)this.dereferencer.Visit(statements.get_Item(V_4)));
}
}
V_3 = V_3 - 1;
}
V_10 = V_1.GetEnumerator();
try
{
while (V_10.MoveNext())
{
V_11 = V_10.get_Current();
dummyVar2 = this.patternsContext.get_VariableToSingleAssignmentMap().Remove(V_11);
dummyVar3 = this.patternsContext.get_VariableToDefineUseCountContext().Remove(V_11);
}
}
finally
{
((IDisposable)V_10).Dispose();
}
return(V_0);
}
public override ICodeNode VisitObjectCreationExpression(ObjectCreationExpression node)
{
if (this.state != 2 || node.get_Arguments() == null || node.get_Arguments().get_Count() != 2 || node.get_Arguments().get_Item(0).get_CodeNodeType() != 26 || node.get_Arguments().get_Item(1).get_CodeNodeType() != 20 || !this.delegateCopies.Contains((node.get_Arguments().get_Item(0) as VariableReferenceExpression).get_Variable()))
{
return(this.VisitObjectCreationExpression(node));
}
V_0 = node.get_Constructor().get_DeclaringType().Resolve();
if (V_0 == null || V_0.get_BaseType() == null || String.op_Inequality(V_0.get_BaseType().get_FullName(), "System.MulticastDelegate"))
{
return(this.VisitObjectCreationExpression(node));
}
V_1 = (node.get_Arguments().get_Item(1) as MethodReferenceExpression).get_Method();
V_2 = (node.get_Arguments().get_Item(1) as MethodReferenceExpression).get_MethodDefinition();
stackVariable62 = new MethodSpecificContext(V_2.get_Body());
V_3 = new DecompilationContext(stackVariable62, this.context.get_TypeContext(), this.context.get_ModuleContext(), this.context.get_AssemblyContext(), this.context.get_Language());
stackVariable62.set_FieldToExpression(this.fieldDefToAssignedValueMap);
V_4 = V_2.get_Body().DecompileLambda(this.context.get_Language(), V_3);
if (V_4.get_Statements().get_Count() == 1 && V_4.get_Statements().get_Item(0).get_CodeNodeType() == 5 && (V_4.get_Statements().get_Item(0) as ExpressionStatement).get_Expression().get_CodeNodeType() == 57)
{
V_8 = (V_4.get_Statements().get_Item(0) as ExpressionStatement).get_Expression() as ReturnExpression;
V_9 = new ShortFormReturnExpression(V_8.get_Value(), V_8.get_MappedInstructions());
V_4 = new BlockStatement();
V_4.get_Statements().Add(new ExpressionStatement(V_9));
}
this.context.get_MethodContext().get_VariableDefinitionToNameMap().AddRange <VariableDefinition, string>(V_3.get_MethodContext().get_VariableDefinitionToNameMap());
this.context.get_MethodContext().get_VariableNamesCollection().UnionWith(V_3.get_MethodContext().get_VariableNamesCollection());
this.context.get_MethodContext().AddInnerMethodParametersToContext(V_3.get_MethodContext());
this.context.get_MethodContext().get_GotoStatements().AddRange(V_3.get_MethodContext().get_GotoStatements());
this.context.get_MethodContext().get_GotoLabels().AddRange <string, Statement>(V_3.get_MethodContext().get_GotoLabels());
V_5 = new ExpressionCollection();
V_6 = LambdaExpressionsHelper.HasAnonymousParameter(V_2.get_Parameters());
V_10 = V_2.get_Parameters().GetEnumerator();
try
{
while (V_10.MoveNext())
{
V_11 = V_10.get_Current();
V_5.Add(new LambdaParameterExpression(V_11, !V_6, null));
}
}
finally
{
V_10.Dispose();
}
this.delegatesFound.Add(V_4);
stackVariable157 = new LambdaExpression(V_5, V_4, V_2.IsAsync(), V_2.IsFunction(), V_1.get_Parameters(), false, node.get_Arguments().get_Item(1).get_MappedInstructions());
stackVariable157.set_ExpressionType(V_0);
V_7 = stackVariable157;
return(new DelegateCreationExpression(node.get_Constructor().get_DeclaringType(), V_7, node.get_Arguments().get_Item(0), node.get_MappedInstructions()));
}
private void Preprocess()
{
V_0 = 0;
V_1 = new Dictionary <ParameterDefinition, string>();
V_2 = this.methodContext.get_ParameterDefinitionToNameMap().GetEnumerator();
try
{
while (V_2.MoveNext())
{
V_3 = V_2.get_Current();
V_4 = V_3.get_Key();
V_5 = V_3.get_Value();
V_6 = V_5;
V_7 = !V_6.IsValidIdentifier();
while (V_7 || this.HasMethodParameterWithSameName(V_6))
{
V_7 = false;
stackVariable22 = V_0;
V_0 = stackVariable22 + 1;
V_8 = stackVariable22;
V_6 = String.Concat("argument", V_8.ToString());
}
if (!String.op_Inequality(V_6, V_5))
{
continue;
}
V_1.Add(V_4, V_6);
}
}
finally
{
((IDisposable)V_2).Dispose();
}
V_2 = V_1.GetEnumerator();
try
{
while (V_2.MoveNext())
{
V_9 = V_2.get_Current();
this.methodContext.get_ParameterDefinitionToNameMap().set_Item(V_9.get_Key(), V_9.get_Value());
}
}
finally
{
((IDisposable)V_2).Dispose();
}
V_10 = this.methodContext.get_Body().get_Method().get_Parameters().GetEnumerator();
try
{
while (V_10.MoveNext())
{
V_11 = V_10.get_Current();
V_12 = V_11.get_Name();
if (String.IsNullOrEmpty(V_12))
{
V_12 = this.GetNameByType(V_11.get_ParameterType());
}
this.methodContext.get_ParameterDefinitionToNameMap().Add(V_11, V_12);
}
}
finally
{
V_10.Dispose();
}
if (this.methodContext.get_Method().get_IsSetter() && this.methodContext.get_Method().get_Parameters().get_Count() == 1)
{
V_13 = this.methodContext.get_Method().get_Parameters().get_Item(0);
this.methodContext.get_ParameterDefinitionToNameMap().set_Item(V_13, "value");
}
V_14 = this.methodContext.get_Body().get_Variables().GetEnumerator();
try
{
while (V_14.MoveNext())
{
V_15 = V_14.get_Current();
if (!this.methodContext.get_ParameterDefinitionToNameMap().ContainsValue(V_15.get_Name()))
{
continue;
}
dummyVar0 = this.methodContext.get_VariablesToRename().Add(V_15);
}
}
finally
{
V_14.Dispose();
}
V_16 = this.methodContext.get_VariableDefinitionToNameMap().GetEnumerator();
try
{
while (V_16.MoveNext())
{
V_17 = V_16.get_Current();
if (!this.methodContext.get_ParameterDefinitionToNameMap().ContainsValue(V_17.get_Value()))
{
continue;
}
dummyVar1 = this.methodContext.get_VariablesToRename().Add(V_17.get_Key());
}
}
finally
{
((IDisposable)V_16).Dispose();
}
return;
}
private ICodeNode FixBranchingExpression(Expression expression, Instruction branch)
{
if (branch.get_OpCode().get_Code() == 57)
{
stackVariable5 = true;
}
else
{
V_5 = branch.get_OpCode();
stackVariable5 = V_5.get_Code() == 44;
}
V_0 = stackVariable5;
V_1 = expression.get_ExpressionType();
V_3 = 9;
stackVariable10 = new Instruction[1];
stackVariable10[0] = branch;
V_4 = stackVariable10;
if (V_0)
{
V_3 = 10;
}
if (String.op_Equality(V_1.get_Name(), "Boolean") || V_1.get_Name().Contains("Boolean "))
{
if (V_0)
{
V_6 = expression;
}
else
{
V_6 = Negator.Negate(expression, this.typeSystem);
}
if (expression as SafeCastExpression == null)
{
V_7 = new UnaryExpression(11, V_6, V_4);
}
else
{
V_7 = new BinaryExpression(V_3, expression, this.GetLiteralExpression(false, null), this.typeSystem, V_4, false);
}
return V_7;
}
if (String.op_Equality(V_1.get_Name(), "Char"))
{
V_2 = new BinaryExpression(V_3, expression, this.GetLiteralExpression('\0', null), this.typeSystem, V_4, false);
V_2.set_ExpressionType(this.typeSystem.get_Boolean());
}
if (V_1.get_IsPrimitive())
{
V_2 = new BinaryExpression(V_3, expression, this.GetLiteralExpression(0, null), this.typeSystem, V_4, false);
V_2.set_ExpressionType(this.typeSystem.get_Boolean());
}
else
{
V_8 = V_1.Resolve();
if (V_8 == null || !V_8.get_IsEnum() || V_1.get_IsArray())
{
V_2 = new BinaryExpression(V_3, expression, this.GetLiteralExpression(null, null), this.typeSystem, V_4, false);
V_2.set_ExpressionType(this.typeSystem.get_Boolean());
}
else
{
V_9 = null;
V_10 = V_8.get_Fields().GetEnumerator();
try
{
while (V_10.MoveNext())
{
V_11 = V_10.get_Current();
if (V_11.get_Constant() == null || V_11.get_Constant().get_Value() == null || !V_11.get_Constant().get_Value().Equals(0))
{
continue;
}
V_9 = V_11;
goto Label0;
}
}
finally
{
V_10.Dispose();
}
Label0:
if (V_9 != null)
{
V_2 = new BinaryExpression(V_3, expression, new EnumExpression(V_9, null), this.typeSystem, V_4, false);
V_2.set_ExpressionType(this.typeSystem.get_Boolean());
}
else
{
V_2 = new BinaryExpression(V_3, expression, this.GetLiteralExpression(0, null), this.typeSystem, V_4, false);
V_2.set_ExpressionType(this.typeSystem.get_Boolean());
}
}
}
return V_2;
}