public override TextBuffer ToJava(int indent, BytecodeMappingTracer tracer)
{
TextBuffer buffer = new TextBuffer();
tracer.AddMapping(bytecode);
if (classDef)
{
ClassesProcessor.ClassNode child = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(varType.value);
new ClassWriter().ClassToJava(child, buffer, indent, tracer);
tracer.IncrementCurrentSourceLine(buffer.CountLines());
}
else
{
VarVersionPair varVersion = GetVarVersionPair();
string name = null;
if (processor != null)
{
name = processor.GetVarName(varVersion);
}
if (definition)
{
if (processor != null && processor.GetVarFinal(varVersion) == VarTypeProcessor.Var_Explicit_Final)
{
buffer.Append("final ");
}
AppendDefinitionType(buffer);
buffer.Append(" ");
}
buffer.Append(name == null ? ("var" + index + (this.version == 0 ? string.Empty :
"_" + this.version)) : name);
}
return(buffer);
}
private static bool IsQualifiedNewGetClass(Exprent first, Exprent second)
{
if (first.type == Exprent.Exprent_Invocation)
{
InvocationExprent invocation = (InvocationExprent)first;
if (!invocation.IsStatic() && invocation.GetInstance().type == Exprent.Exprent_Var &&
invocation.GetName().Equals("getClass") && invocation.GetStringDescriptor().
Equals("()Ljava/lang/Class;"))
{
List <Exprent> lstExprents = second.GetAllExprents();
lstExprents.Add(second);
foreach (Exprent expr in lstExprents)
{
if (expr.type == Exprent.Exprent_New)
{
NewExprent newExpr = (NewExprent)expr;
if (newExpr.GetConstructor() != null && !(newExpr.GetConstructor().GetLstParameters
().Count == 0) && newExpr.GetConstructor().GetLstParameters()[0].Equals(invocation
.GetInstance()))
{
string classname = newExpr.GetNewType().value;
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(classname);
if (node != null && node.type != ClassesProcessor.ClassNode.Class_Root)
{
return(true);
}
}
}
}
}
}
return(false);
}
private static Exprent IsLambda(Exprent exprent, StructClass cl)
{
List <Exprent> lst = exprent.GetAllExprents();
foreach (Exprent expr in lst)
{
Exprent ret = IsLambda(expr, cl);
if (ret != null)
{
exprent.ReplaceExprent(expr, ret);
}
}
if (exprent.type == Exprent.Exprent_Invocation)
{
InvocationExprent @in = (InvocationExprent)exprent;
if (@in.GetInvocationTyp() == InvocationExprent.Invoke_Dynamic)
{
string lambda_class_name = cl.qualifiedName + @in.GetInvokeDynamicClassSuffix();
ClassesProcessor.ClassNode lambda_class = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(lambda_class_name);
if (lambda_class != null)
{
// real lambda class found, replace invocation with an anonymous class
NewExprent newExpr = new NewExprent(new VarType(lambda_class_name, true), null, 0
, @in.bytecode);
newExpr.SetConstructor(@in);
// note: we don't set the instance to null with in.setInstance(null) like it is done for a common constructor invocation
// lambda can also be a reference to a virtual method (e.g. String x; ...(x::toString);)
// in this case instance will hold the corresponding object
return(newExpr);
}
}
}
return(null);
}
public static List <VarVersionPair> GetSyntheticParametersMask(string className,
string descriptor, int parameters)
{
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(className);
return(node != null?GetSyntheticParametersMask(node, descriptor, parameters) :
null);
}
private static string GetQualifiedNewInstance(string classname, List <Exprent> lstParams
, int indent, BytecodeMappingTracer tracer)
{
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(classname);
if (node != null && node.type != ClassesProcessor.ClassNode.Class_Root && node.type
!= ClassesProcessor.ClassNode.Class_Local && (node.access & ICodeConstants.Acc_Static
) == 0)
{
if (!(lstParams.Count == 0))
{
Exprent enclosing = lstParams[0];
bool isQualifiedNew = false;
if (enclosing.type == Exprent.Exprent_Var)
{
VarExprent varEnclosing = (VarExprent)enclosing;
StructClass current_class = ((ClassesProcessor.ClassNode)DecompilerContext.GetProperty
(DecompilerContext.Current_Class_Node)).classStruct;
string this_classname = varEnclosing.GetProcessor().GetThisVars().GetOrNull(new VarVersionPair
(varEnclosing));
if (!current_class.qualifiedName.Equals(this_classname))
{
isQualifiedNew = true;
}
}
else
{
isQualifiedNew = true;
}
if (isQualifiedNew)
{
return(enclosing.ToJava(indent, tracer).ToString());
}
}
}
return(null);
}
public NewExprent(VarType newType, List <Exprent> lstDims, HashSet <int> bytecodeOffsets
)
: base(Exprent_New)
{
this.newType = newType;
this.lstDims = lstDims;
anonymous = false;
lambda = false;
if (newType.type == ICodeConstants.Type_Object && newType.arrayDim == 0)
{
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(newType.value);
if (node != null && (node.type == ClassesProcessor.ClassNode.Class_Anonymous || node
.type == ClassesProcessor.ClassNode.Class_Lambda))
{
anonymous = true;
if (node.type == ClassesProcessor.ClassNode.Class_Lambda)
{
lambda = true;
}
}
}
AddBytecodeOffsets(bytecodeOffsets);
}
public static void Simplify(SwitchStatement switchStatement)
{
SwitchExprent switchExprent = (SwitchExprent)switchStatement.GetHeadexprent();
Exprent value = switchExprent.GetValue();
if (IsEnumArray(value))
{
List <List <Exprent> > caseValues = switchStatement.GetCaseValues();
Dictionary <Exprent, Exprent> mapping = new Dictionary <Exprent, Exprent>(caseValues
.Count);
ArrayExprent array = (ArrayExprent)value;
FieldExprent arrayField = (FieldExprent)array.GetArray();
ClassesProcessor.ClassNode classNode = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(arrayField.GetClassname());
if (classNode != null)
{
MethodWrapper wrapper = classNode.GetWrapper().GetMethodWrapper(ICodeConstants.Clinit_Name
, "()V");
if (wrapper != null && wrapper.root != null)
{
wrapper.GetOrBuildGraph().IterateExprents((Exprent exprent) => {
if (exprent is AssignmentExprent)
{
AssignmentExprent assignment = (AssignmentExprent)exprent;
Exprent left = assignment.GetLeft();
if (left.type == Exprent.Exprent_Array && ((ArrayExprent)left).GetArray().Equals(
arrayField))
{
Sharpen.Collections.Put(mapping, assignment.GetRight(), ((InvocationExprent)((ArrayExprent
)left).GetIndex()).GetInstance());
}
}
return(0);
}
);
}
}
List <List <Exprent> > realCaseValues = new List <List <Exprent> >(caseValues.Count);
foreach (List <Exprent> caseValue in caseValues)
{
List <Exprent> values = new List <Exprent>(caseValue.Count);
realCaseValues.Add(values);
foreach (Exprent exprent in caseValue)
{
if (exprent == null)
{
values.Add(null);
}
else
{
Exprent realConst = mapping.GetOrNull(exprent);
if (realConst == null)
{
DecompilerContext.GetLogger().WriteMessage("Unable to simplify switch on enum: "
+ exprent + " not found, available: " + mapping, IFernflowerLogger.Severity.Error
);
return;
}
values.Add(realConst.Copy());
}
}
}
caseValues.Clear();
Sharpen.Collections.AddAll(caseValues, realCaseValues);
switchExprent.ReplaceExprent(value, ((InvocationExprent)array.GetIndex()).GetInstance
().Copy());
}
}
private Exprent ReplaceAccessExprent(ClassesProcessor.ClassNode caller, MethodWrapper
methdest, InvocationExprent invexpr)
{
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(invexpr.GetClassname());
MethodWrapper methsource = null;
if (node != null && node.GetWrapper() != null)
{
methsource = node.GetWrapper().GetMethodWrapper(invexpr.GetName(), invexpr.GetStringDescriptor
());
}
if (methsource == null || !mapMethodType.ContainsKey(methsource))
{
return(null);
}
// if same method, return
if (node.classStruct.qualifiedName.Equals(caller.classStruct.qualifiedName) && methsource
.methodStruct.GetName().Equals(methdest.methodStruct.GetName()) && methsource.methodStruct
.GetDescriptor().Equals(methdest.methodStruct.GetDescriptor()))
{
// no recursive invocations permitted!
return(null);
}
NestedMemberAccess.MethodAccess type = mapMethodType.GetOrNull(methsource);
// // FIXME: impossible case. MethodAccess.NORMAL is not saved in the map
// if(type == MethodAccess.NORMAL) {
// return null;
// }
if (!SameTree(caller, node))
{
return(null);
}
DirectGraph graph = methsource.GetOrBuildGraph();
Exprent source = graph.first.exprents[0];
Exprent retexprent = null;
switch (type.ordinal())
{
case 1:
{
ExitExprent exsource = (ExitExprent)source;
if (exsource.GetValue().type == Exprent.Exprent_Var)
{
// qualified this
VarExprent var = (VarExprent)exsource.GetValue();
string varname = methsource.varproc.GetVarName(new VarVersionPair(var));
if (!methdest.setOuterVarNames.Contains(varname))
{
VarNamesCollector vnc = new VarNamesCollector();
vnc.AddName(varname);
methdest.varproc.RefreshVarNames(vnc);
methdest.setOuterVarNames.Add(varname);
}
int index = methdest.counter.GetCounterAndIncrement(CounterContainer.Var_Counter);
VarExprent ret = new VarExprent(index, var.GetVarType(), methdest.varproc);
methdest.varproc.SetVarName(new VarVersionPair(index, 0), varname);
retexprent = ret;
}
else
{
// field
FieldExprent ret = (FieldExprent)exsource.GetValue().Copy();
if (!ret.IsStatic())
{
ret.ReplaceExprent(ret.GetInstance(), invexpr.GetLstParameters()[0]);
}
retexprent = ret;
}
break;
}
case 2:
{
AssignmentExprent ret_1;
if (source.type == Exprent.Exprent_Exit)
{
ExitExprent extex = (ExitExprent)source;
ret_1 = (AssignmentExprent)extex.GetValue().Copy();
}
else
{
ret_1 = (AssignmentExprent)source.Copy();
}
FieldExprent fexpr = (FieldExprent)ret_1.GetLeft();
if (fexpr.IsStatic())
{
ret_1.ReplaceExprent(ret_1.GetRight(), invexpr.GetLstParameters()[0]);
}
else
{
ret_1.ReplaceExprent(ret_1.GetRight(), invexpr.GetLstParameters()[1]);
fexpr.ReplaceExprent(fexpr.GetInstance(), invexpr.GetLstParameters()[0]);
}
// do not use copied bytecodes
ret_1.GetLeft().bytecode = null;
ret_1.GetRight().bytecode = null;
retexprent = ret_1;
break;
}
case 4:
{
retexprent = ReplaceFunction(invexpr, source);
break;
}
case 3:
{
if (source.type == Exprent.Exprent_Exit)
{
source = ((ExitExprent)source).GetValue();
}
InvocationExprent invret = (InvocationExprent)source.Copy();
int index_1 = 0;
if (!invret.IsStatic())
{
invret.ReplaceExprent(invret.GetInstance(), invexpr.GetLstParameters()[0]);
index_1 = 1;
}
for (int i = 0; i < invret.GetLstParameters().Count; i++)
{
invret.ReplaceExprent(invret.GetLstParameters()[i], invexpr.GetLstParameters()[i
+ index_1]);
}
retexprent = invret;
break;
}
}
if (retexprent != null)
{
// preserve original bytecodes
retexprent.bytecode = null;
retexprent.AddBytecodeOffsets(invexpr.bytecode);
// hide synthetic access method
bool hide = true;
if (node.type == ClassesProcessor.ClassNode.Class_Root || (node.access & ICodeConstants
.Acc_Static) != 0)
{
StructMethod mt = methsource.methodStruct;
if (!mt.IsSynthetic())
{
hide = false;
}
}
if (hide)
{
node.GetWrapper().GetHiddenMembers().Add(InterpreterUtil.MakeUniqueKey(invexpr.GetName
(), invexpr.GetStringDescriptor()));
}
}
return(retexprent);
}
public virtual string GetShortName(string fullName, bool imported)
{
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(fullName.Replace('.', '/'));
//todo[r.sh] anonymous classes?
string result = null;
if (node != null && node.classStruct.IsOwn())
{
result = node.simpleName;
while (node.parent != null && node.type == ClassesProcessor.ClassNode.Class_Member
)
{
//noinspection StringConcatenationInLoop
result = node.parent.simpleName + '.' + result;
node = node.parent;
}
if (node.type == ClassesProcessor.ClassNode.Class_Root)
{
fullName = node.classStruct.qualifiedName;
fullName = fullName.Replace('/', '.');
}
else
{
return(result);
}
}
else
{
fullName = fullName.Replace('$', '.');
}
string shortName = fullName;
string packageName = string.Empty;
int lastDot = fullName.LastIndexOf('.');
if (lastDot >= 0)
{
shortName = Sharpen.Runtime.Substring(fullName, lastDot + 1);
packageName = Sharpen.Runtime.Substring(fullName, 0, lastDot);
}
StructContext context = DecompilerContext.GetStructContext();
// check for another class which could 'shadow' this one. Three cases:
// 1) class with the same short name in the current package
// 2) class with the same short name in the default package
// 3) inner class with the same short name in the current class, a super class, or an implemented interface
bool existsDefaultClass = (context.GetClass(currentPackageSlash + shortName) != null &&
!packageName.Equals(currentPackagePoint)) || (context.GetClass(shortName) !=
null && !(currentPackagePoint.Length == 0)) || setInnerClassNames.Contains(shortName
);
// current package
// default package
// inner class
if (existsDefaultClass || (mapSimpleNames.ContainsKey(shortName) && !packageName.
Equals(mapSimpleNames.GetOrNull(shortName))))
{
// don't return full name because if the class is a inner class, full name refers to the parent full name, not the child full name
return(result == null ? fullName : (packageName + "." + result));
}
else if (!mapSimpleNames.ContainsKey(shortName))
{
Sharpen.Collections.Put(mapSimpleNames, shortName, packageName);
if (!imported)
{
setNotImportedNames.Add(shortName);
}
}
return(result == null ? shortName : result);
}
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);
}
public override VarType GetExprType()
{
return(anonymous ? DecompilerContext.GetClassProcessor().GetMapRootClasses().GetOrNull
(newType.value).anonymousClassType : newType);
}
private static bool ProbablySyntheticParameter(string className)
{
ClassesProcessor.ClassNode node = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(className);
return(node != null && node.type == ClassesProcessor.ClassNode.Class_Anonymous);
}
// precedence of new
public override TextBuffer ToJava(int indent, BytecodeMappingTracer tracer)
{
TextBuffer buf = new TextBuffer();
if (anonymous)
{
ClassesProcessor.ClassNode child = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(newType.value);
// IDEA-204310 - avoid backtracking later on for lambdas (causes spurious imports)
if (!enumConst && (!lambda || DecompilerContext.GetOption(IFernflowerPreferences
.Lambda_To_Anonymous_Class)))
{
string enclosing = null;
if (!lambda && constructor != null)
{
enclosing = GetQualifiedNewInstance(child.anonymousClassType.value, constructor.GetLstParameters
(), indent, tracer);
if (enclosing != null)
{
buf.Append(enclosing).Append('.');
}
}
buf.Append("new ");
string typename = ExprProcessor.GetCastTypeName(child.anonymousClassType);
if (enclosing != null)
{
ClassesProcessor.ClassNode anonymousNode = DecompilerContext.GetClassProcessor().
GetMapRootClasses().GetOrNull(child.anonymousClassType.value);
if (anonymousNode != null)
{
typename = anonymousNode.simpleName;
}
else
{
typename = Sharpen.Runtime.Substring(typename, typename.LastIndexOf('.') + 1);
}
}
GenericClassDescriptor descriptor = ClassWriter.GetGenericClassDescriptor(child.classStruct
);
if (descriptor != null)
{
if ((descriptor.superinterfaces.Count == 0))
{
buf.Append(GenericMain.GetGenericCastTypeName(descriptor.superclass));
}
else
{
if (descriptor.superinterfaces.Count > 1 && !lambda)
{
DecompilerContext.GetLogger().WriteMessage("Inconsistent anonymous class signature: "
+ child.classStruct.qualifiedName, IFernflowerLogger.Severity.Warn);
}
buf.Append(GenericMain.GetGenericCastTypeName(descriptor.superinterfaces[0]));
}
}
else
{
buf.Append(typename);
}
}
buf.Append('(');
if (!lambda && constructor != null)
{
List <Exprent> parameters = constructor.GetLstParameters();
List <VarVersionPair> mask = child.GetWrapper().GetMethodWrapper(ICodeConstants.Init_Name
, constructor.GetStringDescriptor()).synthParameters;
if (mask == null)
{
InvocationExprent superCall = child.superInvocation;
mask = ExprUtil.GetSyntheticParametersMask(superCall.GetClassname(), superCall.GetStringDescriptor
(), parameters.Count);
}
int start = enumConst ? 2 : 0;
bool firstParam = true;
for (int i = start; i < parameters.Count; i++)
{
if (mask == null || mask[i] == null)
{
if (!firstParam)
{
buf.Append(", ");
}
ExprProcessor.GetCastedExprent(parameters[i], constructor.GetDescriptor().@params
[i], buf, indent, true, tracer);
firstParam = false;
}
}
}
buf.Append(')');
if (enumConst && buf.Length() == 2)
{
buf.SetLength(0);
}
if (lambda)
{
if (!DecompilerContext.GetOption(IFernflowerPreferences.Lambda_To_Anonymous_Class
))
{
buf.SetLength(0);
}
// remove the usual 'new <class>()', it will be replaced with lambda style '() ->'
Exprent methodObject = constructor == null ? null : constructor.GetInstance();
TextBuffer clsBuf = new TextBuffer();
new ClassWriter().ClassLambdaToJava(child, clsBuf, methodObject, indent, tracer);
buf.Append(clsBuf);
tracer.IncrementCurrentSourceLine(clsBuf.CountLines());
}
else
{
TextBuffer clsBuf = new TextBuffer();
new ClassWriter().ClassToJava(child, clsBuf, indent, tracer);
buf.Append(clsBuf);
tracer.IncrementCurrentSourceLine(clsBuf.CountLines());
}
}
else if (directArrayInit)
{
VarType leftType = newType.DecreaseArrayDim();
buf.Append('{');
for (int i = 0; i < lstArrayElements.Count; i++)
{
if (i > 0)
{
buf.Append(", ");
}
ExprProcessor.GetCastedExprent(lstArrayElements[i], leftType, buf, indent, false,
tracer);
}
buf.Append('}');
}
else if (newType.arrayDim == 0)
{
if (!enumConst)
{
string enclosing = null;
if (constructor != null)
{
enclosing = GetQualifiedNewInstance(newType.value, constructor.GetLstParameters()
, indent, tracer);
if (enclosing != null)
{
buf.Append(enclosing).Append('.');
}
}
buf.Append("new ");
string typename = ExprProcessor.GetTypeName(newType);
if (enclosing != null)
{
ClassesProcessor.ClassNode newNode = DecompilerContext.GetClassProcessor().GetMapRootClasses
().GetOrNull(newType.value);
if (newNode != null)
{
typename = newNode.simpleName;
}
else
{
typename = Sharpen.Runtime.Substring(typename, typename.LastIndexOf('.') + 1);
}
}
buf.Append(typename);
}
if (constructor != null)
{
List <Exprent> parameters = constructor.GetLstParameters();
List <VarVersionPair> mask = ExprUtil.GetSyntheticParametersMask(constructor.GetClassname
(), constructor.GetStringDescriptor(), parameters.Count);
int start = enumConst ? 2 : 0;
if (!enumConst || start < parameters.Count)
{
buf.Append('(');
bool firstParam = true;
for (int i = start; i < parameters.Count; i++)
{
if (mask == null || mask[i] == null)
{
Exprent expr = parameters[i];
VarType leftType = constructor.GetDescriptor().@params[i];
if (i == parameters.Count - 1 && expr.GetExprType() == VarType.Vartype_Null && ProbablySyntheticParameter
(leftType.value))
{
break;
}
// skip last parameter of synthetic constructor call
if (!firstParam)
{
buf.Append(", ");
}
ExprProcessor.GetCastedExprent(expr, leftType, buf, indent, true, false, true, true
, tracer);
firstParam = false;
}
}
buf.Append(')');
}
}
}
else if (isVarArgParam)
{
// just print the array elements
VarType leftType = newType.DecreaseArrayDim();
for (int i = 0; i < lstArrayElements.Count; i++)
{
if (i > 0)
{
buf.Append(", ");
}
// new String[][]{{"abc"}, {"DEF"}} => new String[]{"abc"}, new String[]{"DEF"}
Exprent element = lstArrayElements[i];
if (element.type == Exprent_New)
{
((NewExprent)element).SetDirectArrayInit(false);
}
ExprProcessor.GetCastedExprent(element, leftType, buf, indent, false, tracer);
}
// if there is just one element of Object[] type it needs to be casted to resolve ambiguity
if (lstArrayElements.Count == 1)
{
VarType elementType = lstArrayElements[0].GetExprType();
if (elementType.type == ICodeConstants.Type_Object && elementType.value.Equals("java/lang/Object"
) && elementType.arrayDim >= 1)
{
buf.Prepend("(Object)");
}
}
}
else
{
buf.Append("new ").Append(ExprProcessor.GetTypeName(newType));
if ((lstArrayElements.Count == 0))
{
for (int i = 0; i < newType.arrayDim; i++)
{
buf.Append('[');
if (i < lstDims.Count)
{
buf.Append(lstDims[i].ToJava(indent, tracer));
}
buf.Append(']');
}
}
else
{
for (int i = 0; i < newType.arrayDim; i++)
{
buf.Append("[]");
}
VarType leftType = newType.DecreaseArrayDim();
buf.Append('{');
for (int i = 0; i < lstArrayElements.Count; i++)
{
if (i > 0)
{
buf.Append(", ");
}
ExprProcessor.GetCastedExprent(lstArrayElements[i], leftType, buf, indent, false,
tracer);
}
buf.Append('}');
}
}
return(buf);
}
/// <exception cref="IOException"/>
public virtual void ProcessClass(ClassesProcessor.ClassNode node)
{
foreach (ClassesProcessor.ClassNode child in node.nested)
{
ProcessClass(child);
}
ClassesProcessor clProcessor = DecompilerContext.GetClassProcessor();
StructClass cl = node.classStruct;
if (cl.GetBytecodeVersion() < ICodeConstants.Bytecode_Java_8)
{
// lambda beginning with Java 8
return;
}
StructBootstrapMethodsAttribute bootstrap = cl.GetAttribute(StructGeneralAttribute
.Attribute_Bootstrap_Methods);
if (bootstrap == null || bootstrap.GetMethodsNumber() == 0)
{
return;
}
// no bootstrap constants in pool
BitSet lambda_methods = new BitSet();
// find lambda bootstrap constants
for (int i = 0; i < bootstrap.GetMethodsNumber(); ++i)
{
LinkConstant method_ref = bootstrap.GetMethodReference(i);
// method handle
// FIXME: extend for Eclipse etc. at some point
if (Javac_Lambda_Class.Equals(method_ref.classname) && (Javac_Lambda_Method.Equals
(method_ref.elementname) || Javac_Lambda_Alt_Method.Equals(method_ref.elementname
)))
{
lambda_methods.Set(i);
}
}
if (lambda_methods.IsEmpty())
{
return;
}
// no lambda bootstrap constant found
Dictionary <string, string> mapMethodsLambda = new Dictionary <string, string>();
// iterate over code and find invocations of bootstrap methods. Replace them with anonymous classes.
foreach (StructMethod mt in cl.GetMethods())
{
mt.ExpandData();
InstructionSequence seq = mt.GetInstructionSequence();
if (seq != null && seq.Length() > 0)
{
int len = seq.Length();
for (int i = 0; i < len; ++i)
{
Instruction instr = seq.GetInstr(i);
if (instr.opcode == ICodeConstants.opc_invokedynamic)
{
LinkConstant invoke_dynamic = cl.GetPool().GetLinkConstant(instr.Operand(0));
if (lambda_methods.Get(invoke_dynamic.index1))
{
// lambda invocation found
List <PooledConstant> bootstrap_arguments = bootstrap.GetMethodArguments(invoke_dynamic
.index1);
MethodDescriptor md = MethodDescriptor.ParseDescriptor(invoke_dynamic.descriptor);
string lambda_class_name = md.ret.value;
string lambda_method_name = invoke_dynamic.elementname;
string lambda_method_descriptor = ((PrimitiveConstant)bootstrap_arguments[2]).GetString
();
// method type
LinkConstant content_method_handle = (LinkConstant)bootstrap_arguments[1];
ClassesProcessor.ClassNode node_lambda = new ClassesProcessor.ClassNode(content_method_handle
.classname, content_method_handle.elementname, content_method_handle.descriptor,
content_method_handle.index1, lambda_class_name, lambda_method_name, lambda_method_descriptor
, cl);
node_lambda.simpleName = cl.qualifiedName + "##Lambda_" + invoke_dynamic.index1 +
"_" + invoke_dynamic.index2;
node_lambda.enclosingMethod = InterpreterUtil.MakeUniqueKey(mt.GetName(), mt.GetDescriptor
());
node.nested.Add(node_lambda);
node_lambda.parent = node;
Sharpen.Collections.Put(clProcessor.GetMapRootClasses(), node_lambda.simpleName,
node_lambda);
if (!node_lambda.lambdaInformation.is_method_reference)
{
Sharpen.Collections.Put(mapMethodsLambda, node_lambda.lambdaInformation.content_method_key
, node_lambda.simpleName);
}
}
}
}
}
mt.ReleaseResources();
}
// build class hierarchy on lambda
foreach (ClassesProcessor.ClassNode nd in node.nested)
{
if (nd.type == ClassesProcessor.ClassNode.Class_Lambda)
{
string parent_class_name = mapMethodsLambda.GetOrNull(nd.enclosingMethod);
if (parent_class_name != null)
{
ClassesProcessor.ClassNode parent_class = clProcessor.GetMapRootClasses().GetOrNull
(parent_class_name);
parent_class.nested.Add(nd);
nd.parent = parent_class;
}
}
}
}
