// insnNode now belongs to an InsnList.
/// <summary>Inserts the given instructions before the specified instruction.</summary>
/// <param name="nextInsn">
/// an instruction <i>of this list</i> before which the instructions must be
/// inserted.
/// </param>
/// <param name="insnList">
/// the instruction list to be inserted, which is cleared during the process. This
/// list must be different from 'this'.
/// </param>
public virtual void InsertBefore(AbstractInsnNode nextInsn, InsnList insnList)
{
if (insnList.size == 0)
{
return;
}
size__ += insnList.size;
var firstInsnListElement = insnList.firstInsn;
var lastInsnListElement = insnList.lastInsn;
var previousInsn = nextInsn.previousInsn;
if (previousInsn == null)
{
firstInsn = firstInsnListElement;
}
else
{
previousInsn.nextInsn = firstInsnListElement;
}
nextInsn.previousInsn = lastInsnListElement;
lastInsnListElement.nextInsn = nextInsn;
firstInsnListElement.previousInsn = previousInsn;
cache = null;
insnList.RemoveAll(false);
}
// insnNode now belongs to an InsnList.
/// <summary>Inserts the given instructions at the beginning of this list.</summary>
/// <param name="insnList">
/// an instruction list, which is cleared during the process. This list must be
/// different from 'this'.
/// </param>
public virtual void Insert(InsnList insnList)
{
if (insnList.size == 0)
{
return;
}
size__ += insnList.size;
if (firstInsn == null)
{
firstInsn = insnList.firstInsn;
lastInsn = insnList.lastInsn;
}
else
{
var lastInsnListElement = insnList.lastInsn;
firstInsn.previousInsn = lastInsnListElement;
lastInsnListElement.nextInsn = firstInsn;
firstInsn = insnList.firstInsn;
}
cache = null;
insnList.RemoveAll(false);
}
// insnNode now belongs to an InsnList.
/// <summary>Adds the given instructions to the end of this list.</summary>
/// <param name="insnList">
/// an instruction list, which is cleared during the process. This list must be
/// different from 'this'.
/// </param>
public virtual void Add(InsnList insnList)
{
if (insnList.Size() == 0)
{
return;
}
size__ += insnList.Size();
if (lastInsn == null)
{
firstInsn = insnList.firstInsn;
lastInsn = insnList.lastInsn;
}
else
{
var firstInsnListElement = insnList.firstInsn;
lastInsn.nextInsn = firstInsnListElement;
firstInsnListElement.previousInsn = lastInsn;
lastInsn = insnList.lastInsn;
}
cache = null;
insnList.RemoveAll(false);
}
