public override void VisitExpressionStatement(ExpressionStatement node)
{
if (!node.IsAssignmentStatement())
{
return;
}
BinaryExpression assignExpression = node.Expression as BinaryExpression;
if (assignExpression.Left.CodeNodeType != CodeNodeType.VariableReferenceExpression ||
assignExpression.Right.CodeNodeType != CodeNodeType.FieldReferenceExpression)
{
return;
}
FieldReferenceExpression targetFieldRefExpression = assignExpression.Right as FieldReferenceExpression;
if (targetFieldRefExpression.Target == null ||
targetFieldRefExpression.Target.CodeNodeType != CodeNodeType.FieldReferenceExpression ||
targetFieldRefExpression.Field.Name != "Target")
{
return;
}
FieldDefinition callSiteField = (targetFieldRefExpression.Target as FieldReferenceExpression).Field.Resolve();
CallSiteInfo callSiteInfo;
if (callSiteField == null || !fieldToCallSiteInfoMap.TryGetValue(callSiteField, out callSiteInfo))
{
return;
}
variableToCallSiteInfoMap.Add((assignExpression.Left as VariableReferenceExpression).Variable, callSiteInfo);
statementsToRemove.Add(node);
}
public override void VisitExpressionStatement(ExpressionStatement node)
{
if (!node.IsAssignmentStatement())
{
return;
}
V_0 = node.get_Expression() as BinaryExpression;
if (V_0.get_Left().get_CodeNodeType() != 26 || V_0.get_Right().get_CodeNodeType() != 30)
{
return;
}
V_1 = V_0.get_Right() as FieldReferenceExpression;
if (V_1.get_Target() == null || V_1.get_Target().get_CodeNodeType() != 30 || String.op_Inequality(V_1.get_Field().get_Name(), "Target"))
{
return;
}
V_2 = (V_1.get_Target() as FieldReferenceExpression).get_Field().Resolve();
if (V_2 == null || !this.fieldToCallSiteInfoMap.TryGetValue(V_2, out V_3))
{
return;
}
this.variableToCallSiteInfoMap.Add((V_0.get_Left() as VariableReferenceExpression).get_Variable(), V_3);
dummyVar0 = this.statementsToRemove.Add(node);
return;
}
private bool CheckVariableInitialization(ExpressionStatement node)
{
if (!node.IsAssignmentStatement())
{
return(false);
}
BinaryExpression theAssignExpression = node.Expression as BinaryExpression;
if (theAssignExpression.Left.CodeNodeType != CodeNodeType.VariableReferenceExpression)
{
return(false);
}
Expression value = theAssignExpression.Right;
if (value.CodeNodeType == CodeNodeType.CastExpression)
{
value = (value as CastExpression).Expression;
}
if (value.CodeNodeType != CodeNodeType.LiteralExpression || (value as LiteralExpression).Value != null)
{
return(false);
}
initializationsToRemove[(theAssignExpression.Left as VariableReferenceExpression).Variable] = node;
return(true);
}
private bool CheckTheInitializer(ExpressionStatement statement, out VariableReference forVariable)
{
forVariable = null;
if (statement == null || !statement.IsAssignmentStatement())
{
return(false);
}
return(this.TryGetAssignedVariable(statement, out forVariable));
}
public override void VisitExpressionStatement(ExpressionStatement node)
{
if (!node.IsAssignmentStatement() || !this.CheckBinaryExpression(node.get_Expression() as BinaryExpression))
{
this.VisitExpressionStatement(node);
return;
}
dummyVar0 = this.statementsToRemove.Add(node);
return;
}
public override void VisitExpressionStatement(ExpressionStatement node)
{
if (node.IsAssignmentStatement() && CheckBinaryExpression(node.Expression as BinaryExpression))
{
statementsToRemove.Add(node);
}
else
{
base.VisitExpressionStatement(node);
}
}
private bool CheckVariableInitialization(ExpressionStatement node)
{
if (!node.IsAssignmentStatement())
{
return(false);
}
BinaryExpression theAssignExpression = node.Expression as BinaryExpression;
if (theAssignExpression.Left.CodeNodeType != CodeNodeType.VariableReferenceExpression)
{
return(false);
}
Expression value = theAssignExpression.Right;
if (value.CodeNodeType == CodeNodeType.CastExpression)
{
value = (value as CastExpression).Expression;
}
if ((value.CodeNodeType != CodeNodeType.LiteralExpression || (value as LiteralExpression).Value != null) &&
(value.CodeNodeType != CodeNodeType.FieldReferenceExpression))
{
return(false);
}
if (value.CodeNodeType == CodeNodeType.FieldReferenceExpression)
{
FieldReferenceExpression fieldReferenceExpression = value as FieldReferenceExpression;
TypeDefinition fieldType = fieldReferenceExpression.ExpressionType.Resolve();
if (fieldType == null || fieldType.BaseType == null || fieldType.BaseType.FullName != "System.MulticastDelegate")
{
return(false);
}
// Slow checks
FieldDefinition fieldDef = fieldReferenceExpression.Field.Resolve();
if ((fieldDef.DeclaringType != this.context.MethodContext.Method.DeclaringType &&
!fieldDef.DeclaringType.IsNestedIn(this.context.MethodContext.Method.DeclaringType)) ||
!fieldDef.DeclaringType.IsCompilerGenerated())
{
return(false);
}
}
initializationsToRemove[(theAssignExpression.Left as VariableReferenceExpression).Variable] = node;
return(true);
}
public override void VisitExpressionStatement(ExpressionStatement node)
{
if (node.IsAssignmentStatement() && node.Parent.CodeNodeType == CodeNodeType.BlockStatement)
{
BinaryExpression assignment = node.Expression as BinaryExpression;
if (assignment.Left.CodeNodeType == CodeNodeType.VariableReferenceExpression)
{
Visit(assignment.Right);
AddDefinition((assignment.Left as VariableReferenceExpression).Variable.Resolve(), node);
return;
}
}
base.VisitExpressionStatement(node);
}
public override void VisitExpressionStatement(ExpressionStatement node)
{
if (node.IsAssignmentStatement() && node.get_Parent().get_CodeNodeType() == CodeNodeType.BlockStatement)
{
V_0 = node.get_Expression() as BinaryExpression;
if (V_0.get_Left().get_CodeNodeType() == 26)
{
this.Visit(V_0.get_Right());
this.AddDefinition((V_0.get_Left() as VariableReferenceExpression).get_Variable().Resolve(), node);
return;
}
}
this.VisitExpressionStatement(node);
return;
}
public override ICodeNode VisitExpressionStatement(ExpressionStatement node)
{
if (node.IsAssignmentStatement())
{
V_0 = node.get_Expression() as BinaryExpression;
if (V_0.get_Left().get_CodeNodeType() == 26 && V_0.get_Right().get_CodeNodeType() == 30)
{
V_1 = (V_0.get_Right() as FieldReferenceExpression).get_Field().Resolve();
if (V_1 != null && this.fieldToCallSiteInfoMap.ContainsKey(V_1))
{
return(null);
}
}
}
return(this.VisitExpressionStatement(node));
}
public override ICodeNode VisitExpressionStatement(ExpressionStatement node)
{
if (node.IsAssignmentStatement())
{
BinaryExpression assignExpression = node.Expression as BinaryExpression;
if (assignExpression.Left.CodeNodeType == CodeNodeType.VariableReferenceExpression &&
assignExpression.Right.CodeNodeType == CodeNodeType.FieldReferenceExpression)
{
FieldDefinition fieldDef = (assignExpression.Right as FieldReferenceExpression).Field.Resolve();
if (fieldDef != null && fieldToCallSiteInfoMap.ContainsKey(fieldDef))
{
return(null);
}
}
}
return(base.VisitExpressionStatement(node));
}
private bool CheckVariableInitialization(ExpressionStatement node)
{
if (!node.IsAssignmentStatement())
{
return(false);
}
V_0 = node.get_Expression() as BinaryExpression;
if (V_0.get_Left().get_CodeNodeType() != 26)
{
return(false);
}
V_1 = V_0.get_Right();
if (V_1.get_CodeNodeType() == 31)
{
V_1 = (V_1 as ExplicitCastExpression).get_Expression();
}
if (V_1.get_CodeNodeType() != 22 || (V_1 as LiteralExpression).get_Value() != null && V_1.get_CodeNodeType() != 30)
{
return(false);
}
if (V_1.get_CodeNodeType() == 30)
{
V_2 = V_1 as FieldReferenceExpression;
V_3 = V_2.get_ExpressionType().Resolve();
if (V_3 == null || V_3.get_BaseType() == null || String.op_Inequality(V_3.get_BaseType().get_FullName(), "System.MulticastDelegate"))
{
return(false);
}
V_4 = V_2.get_Field().Resolve();
if ((object)V_4.get_DeclaringType() != (object)this.context.get_MethodContext().get_Method().get_DeclaringType() && !V_4.get_DeclaringType().IsNestedIn(this.context.get_MethodContext().get_Method().get_DeclaringType()) || !V_4.get_DeclaringType().IsCompilerGenerated())
{
return(false);
}
}
this.initializationsToRemove.set_Item((V_0.get_Left() as VariableReferenceExpression).get_Variable(), node);
return(true);
}
private bool CheckTheInitializer(ExpressionStatement statement, out VariableReference forVariable)
{
forVariable = null;
return(statement != null && statement.IsAssignmentStatement() && TryGetAssignedVariable(statement, out forVariable));
}
