void detectHandlers(List <TypeDefinition> handlerTypes, CsvmInfo csvmInfo)
{
opCodeHandlers = new List <OpCodeHandler>();
var detected = new List <OpCodeHandler>();
foreach (var handlersList in OpCodeHandlers.opcodeHandlers)
{
opCodeHandlers.Clear();
foreach (var handlerType in handlerTypes)
{
var info = new UnknownHandlerInfo(handlerType, csvmInfo);
detected.Clear();
foreach (var opCodeHandler in handlersList)
{
if (opCodeHandler.detect(info))
{
detected.Add(opCodeHandler);
}
}
if (detected.Count != 1)
{
goto next;
}
opCodeHandlers.Add(detected[0]);
}
if (new List <OpCodeHandler>(Utils.unique(opCodeHandlers)).Count == opCodeHandlers.Count)
{
return;
}
next :;
}
throw new ApplicationException("Could not detect all VM opcode handlers");
}
internal CsvmInfo createCsvmInfo()
{
var csvmInfo = new CsvmInfo();
csvmInfo.StackValue = findStackValueType();
csvmInfo.Stack = findStackType(csvmInfo.StackValue);
initStackTypeMethods(csvmInfo);
return(csvmInfo);
}
public UnknownHandlerInfo(TypeDefinition type, CsvmInfo csvmInfo)
{
this.type = type;
this.csvmInfo = csvmInfo;
fieldsInfo = new FieldsInfo(getFields(type));
countMethods();
findOverrideMethods();
executeMethodThrows = countThrows(executeMethod);
executeMethodPops = countPops(executeMethod);
}
public UnknownHandlerInfo(TypeDefinition type, CsvmInfo csvmInfo)
{
this.type = type;
this.csvmInfo = csvmInfo;
fieldsInfo = new FieldsInfo(getFields(type));
countMethods();
findOverrideMethods();
executeMethodThrows = countThrows(executeMethod);
executeMethodPops = countPops(executeMethod);
}
void initStackTypeMethods(CsvmInfo csvmInfo)
{
foreach (var method in csvmInfo.Stack.Methods)
{
if (method.Parameters.Count == 0 && method.MethodReturnType.ReturnType == csvmInfo.StackValue)
{
if (hasAdd(method))
{
csvmInfo.PopMethod = method;
}
else
{
csvmInfo.PeekMethod = method;
}
}
}
}
void initStackTypeMethods(CsvmInfo csvmInfo)
{
foreach (var method in csvmInfo.Stack.Methods) {
if (method.Parameters.Count == 0 && method.MethodReturnType.ReturnType == csvmInfo.StackValue) {
if (hasAdd(method))
csvmInfo.PopMethod = method;
else
csvmInfo.PeekMethod = method;
}
}
}
void detectHandlers(List<TypeDefinition> handlerTypes, CsvmInfo csvmInfo)
{
opCodeHandlers = new List<OpCodeHandler>();
var detected = new List<OpCodeHandler>();
foreach (var handlerType in handlerTypes) {
var info = new UnknownHandlerInfo(handlerType, csvmInfo);
detected.Clear();
foreach (var opCodeHandler in opCodeHandlerDetectors) {
if (opCodeHandler.detect(info))
detected.Add(opCodeHandler);
}
if (detected.Count != 1)
throw new ApplicationException("Could not detect VM opcode handler");
opCodeHandlers.Add(detected[0]);
}
if (new List<OpCodeHandler>(Utils.unique(opCodeHandlers)).Count != opCodeHandlers.Count)
throw new ApplicationException("Could not detect all VM opcode handlers");
}
public void findHandlers()
{
if (opCodeHandlers != null)
return;
var vmHandlerTypes = findVmHandlerTypes();
if (vmHandlerTypes == null)
throw new ApplicationException("Could not find CSVM opcode handler types");
var csvmInfo = new CsvmInfo();
csvmInfo.StackValue = findStackValueType();
csvmInfo.Stack = findStackType(csvmInfo.StackValue);
initStackTypeMethods(csvmInfo);
detectHandlers(vmHandlerTypes, csvmInfo);
}
internal CsvmInfo createCsvmInfo()
{
var csvmInfo = new CsvmInfo();
csvmInfo.StackValue = findStackValueType();
csvmInfo.Stack = findStackType(csvmInfo.StackValue);
initStackTypeMethods(csvmInfo);
return csvmInfo;
}
