public IRCodeBlock Optimize(IRCodeBlock block)
{
foreach (var optimizer in Optimizers)
block = optimizer.Optimize(block);
return block;
}
public Code WriteCode(IRCodeBlock block)
{
var builder = new CodeBuilder();
var visitor = new ByteCodeVisitor(builder);
visitor.Visit(block);
return builder.Build();
}
private IRCodeBlock FixAlignmentIssues(IRCodeBlock block)
{
var units = block.Units;
units = units.SelectMany(x => x is IRWriteData ? FixAlignmentIssues(x as IRWriteData) : new[] { x }).AsReadOnly();
return units.Select(x => x is IRCodeBlock ? FixAlignmentIssues(x as IRCodeBlock) : x).ToCodeBlock();
}
public IRCodeBlock Optimize(IRCodeBlock block)
{
var units = block.Units;
var newUnits = units
.SelectMany(x => x is IRMultiUnit ? (x as IRMultiUnit).Inner : (IEnumerable<IIRUnit>)new[] { x })
.Select(x => x is IRCodeBlock ? Optimize(x as IRCodeBlock) : x);
return newUnits.ToCodeBlock();
}
public Code WriteCode(IRCodeBlock block)
{
var builder = new CodeBuilder();
var visitor = new ActionReplayVisitor(builder);
var optimizer = new ActionReplayOptimizer(builder);
block = optimizer.Optimize(block);
visitor.Visit(block);
return builder.Build();
}
public IRCodeBlock Optimize(IRCodeBlock block)
{
block = block.Units
.Replace<IRUnsigned8BitSet>(replaceUnsigned8BitSet)
.Replace<IRUnsigned16BitSet>(replaceUnsigned16BitSet)
.Replace<IRUnsigned32BitSet>(replaceUnsigned32BitSet)
.Replace<IRUnsigned8BitUnset>(replaceUnsigned8BitUnset)
.Replace<IRUnsigned16BitUnset>(replaceUnsigned16BitUnset)
.Replace<IRUnsigned32BitUnset>(replaceUnsigned32BitUnset)
.ToCodeBlock();
return generalOptimizer.Optimize(block);
}
private IRCodeBlock Merge(IRCodeBlock block)
{
var units = block.Units;
var replaced = true;
while (replaced)
{
replaced = false;
var last = units.FirstOrDefault();
foreach (var current in units.Skip(1))
{
if (current is IRWriteData && last is IRWriteData)
{
var currentWriteData = current as IRWriteData;
var lastWriteData = last as IRWriteData;
var consecutive = currentWriteData.Address == lastWriteData.Address + lastWriteData.Length;
if (consecutive)
{
var combined = new IRCombinedWriteData(lastWriteData, currentWriteData);
units = units.TakeWhile(x => x != last)
.Concat(new[] { combined })
.Concat(units.SkipWhile(x => x != current).Skip(1))
.AsReadOnly();
replaced = true;
break;
}
}
last = current;
}
}
return units.Select(x => x is IRCodeBlock ? Merge(x as IRCodeBlock) : x).ToCodeBlock();
}
public void Visit(IRCodeBlock block)
{
block.Accept(this);
}
public IRCodeBlock Optimize(IRCodeBlock block)
{
var merged = Merge(block);
return FixAlignmentIssues(merged);
}
