public Statement DecompileForEach(bool isDynArray = false)
{
PopByte();
var scopeStatements = new List <Statement>();
var iteratorFunc = DecompileExpression();
if (iteratorFunc == null)
{
return(null);
}
if (isDynArray)
{
Expression dynArrVar = DecompileExpression();
bool hasIndex = Convert.ToBoolean(ReadByte());
Expression dynArrIndex = DecompileExpression();
iteratorFunc = new DynArrayIterator(iteratorFunc, dynArrVar, dynArrIndex);
}
var scopeEnd = ReadUInt16(); // MemOff
ForEachScopes.Push(scopeEnd);
Scopes.Add(scopeStatements);
CurrentScope.Push(Scopes.Count - 1);
while (Position < Size)
{
if (CurrentIs(OpCodes.IteratorNext))
{
PopByte(); // IteratorNext
if (PeekByte == (byte)OpCodes.IteratorPop)
{
StatementLocations[(ushort)(Position - 1)] = new IteratorNext();
StatementLocations[(ushort)Position] = new IteratorPop();
PopByte(); // IteratorPop
break;
}
Position--;
}
var current = DecompileStatement();
if (current == null)
{
return(null); // ERROR ?
}
scopeStatements.Add(current);
}
CurrentScope.Pop();
ForEachScopes.Pop();
var statement = new ForEachLoop(iteratorFunc, new CodeBody(scopeStatements))
{
iteratorPopPos = Position - 1
};
StatementLocations.Add(StartPositions.Pop(), statement);
return(statement);
}
public Statement DecompileForEach(bool isDynArray = false) // TODO: guess for loop, probably requires a large restructure
{
PopByte();
var scopeStatements = new List <Statement>();
var iteratorFunc = DecompileExpression();
if (iteratorFunc == null)
{
return(null);
}
Expression dynArrVar = null;
Expression dynArrIndex = null;
bool unknByte = false;
if (isDynArray)
{
dynArrVar = DecompileExpression();
unknByte = Convert.ToBoolean(ReadByte());
dynArrIndex = DecompileExpression();
}
var scopeEnd = ReadUInt16(); // MemOff
ForEachScopes.Push(scopeEnd);
Scopes.Add(scopeStatements);
CurrentScope.Push(Scopes.Count - 1);
while (Position < Size)
{
if (CurrentIs(StandardByteCodes.IteratorNext) && PeekByte == (byte)StandardByteCodes.IteratorPop)
{
PopByte(); // IteratorNext
PopByte(); // IteratorPop
break;
}
var current = DecompileStatement();
if (current == null)
{
return(null); // ERROR ?
}
scopeStatements.Add(current);
}
CurrentScope.Pop();
ForEachScopes.Pop();
if (isDynArray)
{
var builder = new CodeBuilderVisitor(); // what a wonderful hack, TODO.
iteratorFunc.AcceptVisitor(builder);
var arrayName = new SymbolReference(null, null, null, builder.GetCodeString());
var parameters = new List <Expression>()
{
dynArrVar, dynArrIndex
};
iteratorFunc = new FunctionCall(arrayName, parameters, null, null);
}
var statement = new ForEachLoop(iteratorFunc, new CodeBody(scopeStatements, null, null), null, null);
StatementLocations.Add(StartPositions.Pop(), statement);
return(statement);
}