public virtual void Init() { DecompilerContext.SetProperty(DecompilerContext.Current_Class, classStruct); DecompilerContext.SetProperty(DecompilerContext.Current_Class_Wrapper, this); DecompilerContext.GetLogger().StartClass(classStruct.qualifiedName); int maxSec = System.Convert.ToInt32(DecompilerContext.GetProperty(IFernflowerPreferences .Max_Processing_Method).ToString()); bool testMode = DecompilerContext.GetOption(IFernflowerPreferences.Unit_Test_Mode ); foreach (StructMethod mt in classStruct.GetMethods()) { DecompilerContext.GetLogger().StartMethod(mt.GetName() + " " + mt.GetDescriptor() ); MethodDescriptor md = MethodDescriptor.ParseDescriptor(mt.GetDescriptor()); VarProcessor varProc = new VarProcessor(mt, md); DecompilerContext.StartMethod(varProc); VarNamesCollector vc = varProc.GetVarNamesCollector(); CounterContainer counter = DecompilerContext.GetCounterContainer(); RootStatement root = null; bool isError = false; try { if (mt.ContainsCode()) { if (maxSec == 0 || testMode) { root = MethodProcessorRunnable.CodeToJava(mt, md, varProc); } else { MethodProcessorRunnable mtProc = new MethodProcessorRunnable(mt, md, varProc, DecompilerContext .GetCurrentContext()); Thread mtThread = new Thread(o => mtProc.Run()) { Name = "Java decompiler" }; long stopAt = Runtime.CurrentTimeMillis() + maxSec * 1000L; mtThread.Start(); while (!mtProc.IsFinished()) { try { lock (mtProc.Lock) { Thread.Sleep(200); } } catch (Exception e) { KillThread(mtThread); throw; } if (Runtime.CurrentTimeMillis() >= stopAt) { string message = "Processing time limit exceeded for method " + mt.GetName() + ", execution interrupted."; DecompilerContext.GetLogger().WriteMessage(message, IFernflowerLogger.Severity.Error ); KillThread(mtThread); isError = true; break; } } if (!isError) { root = mtProc.GetResult(); } } } else { bool thisVar = !mt.HasModifier(ICodeConstants.Acc_Static); int paramCount = 0; if (thisVar) { Sharpen.Collections.Put(varProc.GetThisVars(), new VarVersionPair(0, 0), classStruct .qualifiedName); paramCount = 1; } paramCount += [email protected]; int varIndex = 0; for (int i = 0; i < paramCount; i++) { varProc.SetVarName(new VarVersionPair(varIndex, 0), vc.GetFreeName(varIndex)); if (thisVar) { if (i == 0) { varIndex++; } else { varIndex += md.@params[i - 1].stackSize; } } else { varIndex += md.@params[i].stackSize; } } } } catch (Exception t) { string message = "Method " + mt.GetName() + " " + mt.GetDescriptor() + " couldn't be decompiled."; DecompilerContext.GetLogger().WriteMessage(message, IFernflowerLogger.Severity.Warn , t); isError = true; } MethodWrapper methodWrapper = new MethodWrapper(root, varProc, mt, counter); methodWrapper.decompiledWithErrors = isError; methods.AddWithKey(methodWrapper, InterpreterUtil.MakeUniqueKey(mt.GetName(), mt. GetDescriptor())); if (!isError) { // rename vars so that no one has the same name as a field VarNamesCollector namesCollector = new VarNamesCollector(); classStruct.GetFields().ForEach((StructField f) => namesCollector.AddName(f.GetName ())); varProc.RefreshVarNames(namesCollector); // if debug information present and should be used if (DecompilerContext.GetOption(IFernflowerPreferences.Use_Debug_Var_Names)) { StructLocalVariableTableAttribute attr = mt.GetLocalVariableAttr(); if (attr != null) { // only param names here varProc.SetDebugVarNames(attr.GetMapParamNames()); // the rest is here methodWrapper.GetOrBuildGraph().IterateExprents((Exprent exprent) => { List <Exprent> lst = exprent.GetAllExprents(true); lst.Add(exprent); lst.Where(e => e.type == Exprent.Exprent_Var).ToList().ForEach((Exprent e) => { VarExprent varExprent = (VarExprent)e; string name = varExprent.GetDebugName(mt); if (name != null) { varProc.SetVarName(varExprent.GetVarVersionPair(), name); } } ); return(0); } ); } } } DecompilerContext.GetLogger().EndMethod(); } DecompilerContext.GetLogger().EndClass(); }
public override TextBuffer ToJava(int indent, BytecodeMappingTracer tracer) { TextBuffer buf = new TextBuffer(); string super_qualifier = null; bool isInstanceThis = false; tracer.AddMapping(bytecode); if (instance is InvocationExprent) { ((InvocationExprent)instance).MarkUsingBoxingResult(); } if (isStatic__) { if (IsBoxingCall() && canIgnoreBoxing) { // process general "boxing" calls, e.g. 'Object[] data = { true }' or 'Byte b = 123' // here 'byte' and 'short' values do not need an explicit narrowing type cast ExprProcessor.GetCastedExprent(lstParameters[0], descriptor.@params[0], buf, indent , false, false, false, false, tracer); return(buf); } ClassesProcessor.ClassNode node = (ClassesProcessor.ClassNode)DecompilerContext.GetProperty (DecompilerContext.Current_Class_Node); if (node == null || !classname.Equals(node.classStruct.qualifiedName)) { buf.Append(DecompilerContext.GetImportCollector().GetShortNameInClassContext(ExprProcessor .BuildJavaClassName(classname))); } } else { if (instance != null && instance.type == Exprent.Exprent_Var) { VarExprent instVar = (VarExprent)instance; VarVersionPair varPair = new VarVersionPair(instVar); VarProcessor varProc = instVar.GetProcessor(); if (varProc == null) { MethodWrapper currentMethod = (MethodWrapper)DecompilerContext.GetProperty(DecompilerContext .Current_Method_Wrapper); if (currentMethod != null) { varProc = currentMethod.varproc; } } string this_classname = null; if (varProc != null) { this_classname = varProc.GetThisVars().GetOrNull(varPair); } if (this_classname != null) { isInstanceThis = true; if (invocationTyp == Invoke_Special) { if (!classname.Equals(this_classname)) { // TODO: direct comparison to the super class? StructClass cl = DecompilerContext.GetStructContext().GetClass(classname); bool isInterface = cl != null && cl.HasModifier(ICodeConstants.Acc_Interface); super_qualifier = !isInterface ? this_classname : classname; } } } } if (functype == Typ_General) { if (super_qualifier != null) { TextUtil.WriteQualifiedSuper(buf, super_qualifier); } else if (instance != null) { TextBuffer res = instance.ToJava(indent, tracer); if (IsUnboxingCall()) { // we don't print the unboxing call - no need to bother with the instance wrapping / casting buf.Append(res); return(buf); } VarType rightType = instance.GetExprType(); VarType leftType = new VarType(ICodeConstants.Type_Object, 0, classname); if (rightType.Equals(VarType.Vartype_Object) && !leftType.Equals(rightType)) { buf.Append("((").Append(ExprProcessor.GetCastTypeName(leftType)).Append(")"); if (instance.GetPrecedence() >= FunctionExprent.GetPrecedence(FunctionExprent.Function_Cast )) { res.Enclose("(", ")"); } buf.Append(res).Append(")"); } else if (instance.GetPrecedence() > GetPrecedence()) { buf.Append("(").Append(res).Append(")"); } else { buf.Append(res); } } } } switch (functype) { case Typ_General: { if (VarExprent.Var_Nameless_Enclosure.Equals(buf.ToString())) { buf = new TextBuffer(); } if (buf.Length() > 0) { buf.Append("."); } buf.Append(name); if (invocationTyp == Invoke_Dynamic) { buf.Append("<invokedynamic>"); } buf.Append("("); break; } case Typ_Clinit: { throw new Exception("Explicit invocation of " + ICodeConstants.Clinit_Name); } case Typ_Init: { if (super_qualifier != null) { buf.Append("super("); } else if (isInstanceThis) { buf.Append("this("); } else if (instance != null) { buf.Append(instance.ToJava(indent, tracer)).Append(".<init>("); } else { throw new Exception("Unrecognized invocation of " + ICodeConstants.Init_Name); } break; } } List <VarVersionPair> mask = null; bool isEnum = false; if (functype == Typ_Init) { ClassesProcessor.ClassNode newNode = DecompilerContext.GetClassProcessor().GetMapRootClasses ().GetOrNull(classname); if (newNode != null) { mask = ExprUtil.GetSyntheticParametersMask(newNode, stringDescriptor, lstParameters .Count); isEnum = newNode.classStruct.HasModifier(ICodeConstants.Acc_Enum) && DecompilerContext .GetOption(IFernflowerPreferences.Decompile_Enum); } } BitSet setAmbiguousParameters = GetAmbiguousParameters(); // omit 'new Type[] {}' for the last parameter of a vararg method call if (lstParameters.Count == [email protected] && IsVarArgCall()) { Exprent lastParam = lstParameters[lstParameters.Count - 1]; if (lastParam.type == Exprent_New && lastParam.GetExprType().arrayDim >= 1) { ((NewExprent)lastParam).SetVarArgParam(true); } } bool firstParameter = true; int start = isEnum ? 2 : 0; for (int i = start; i < lstParameters.Count; i++) { if (mask == null || mask[i] == null) { TextBuffer buff = new TextBuffer(); bool ambiguous = setAmbiguousParameters.Get(i); // 'byte' and 'short' literals need an explicit narrowing type cast when used as a parameter ExprProcessor.GetCastedExprent(lstParameters[i], descriptor.@params[i], buff, indent , true, ambiguous, true, true, tracer); // the last "new Object[0]" in the vararg call is not printed if (buff.Length() > 0) { if (!firstParameter) { buf.Append(", "); } buf.Append(buff); } firstParameter = false; } } buf.Append(')'); return(buf); }