private static boolean replaceInvocations(
Exprent exprent, ClassWrapper wrapper, MethodWrapper meth) {
boolean res = false;
while (true) {
boolean found = false;
for (Exprent expr : exprent.getAllExprents()) {
String cl = isClass14Invocation(expr, wrapper, meth);
if (cl != null) {
exprent.replaceExprent(
expr, new ConstExprent(VarType.VARTYPE_CLASS, cl.replace('.', '/'), expr.bytecode));
found = true;
res = true;
break;
}
res |= replaceInvocations(expr, wrapper, meth);
}
if (!found) {
break;
}
}
return res;
}
public void classLambdaToJava(
ClassNode node,
TextBuffer buffer,
Exprent method_object,
int indent,
BytecodeMappingTracer origTracer) {
ClassWrapper wrapper = node.getWrapper();
if (wrapper == null) {
return;
}
boolean lambdaToAnonymous =
DecompilerContext.getOption(IFernflowerPreferences.LAMBDA_TO_ANONYMOUS_CLASS);
ClassNode outerNode =
(ClassNode) DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, node);
BytecodeMappingTracer tracer = new BytecodeMappingTracer(origTracer.getCurrentSourceLine());
try {
StructClass cl = wrapper.getClassStruct();
DecompilerContext.getLogger().startWriteClass(node.simpleName);
if (node.lambdaInformation.is_method_reference) {
if (!node.lambdaInformation.is_content_method_static && method_object != null) {
// reference to a virtual method
buffer.append(method_object.toJava(indent, tracer));
} else {
// reference to a static method
buffer.append(
ExprProcessor.getCastTypeName(
new VarType(node.lambdaInformation.content_class_name, false)));
}
buffer.append("::");
buffer.append(node.lambdaInformation.content_method_name);
} else {
// lambda method
StructMethod mt = cl.getMethod(node.lambdaInformation.content_method_key);
MethodWrapper methodWrapper = wrapper.getMethodWrapper(mt.getName(), mt.getDescriptor());
MethodDescriptor md_content =
MethodDescriptor.parseDescriptor(node.lambdaInformation.content_method_descriptor);
MethodDescriptor md_lambda =
MethodDescriptor.parseDescriptor(node.lambdaInformation.method_descriptor);
if (!lambdaToAnonymous) {
buffer.append('(');
boolean firstParameter = true;
int index = node.lambdaInformation.is_content_method_static ? 0 : 1;
int start_index = md_content.params.length - md_lambda.params.length;
for (int i = 0; i < md_content.params.length; i++) {
if (i >= start_index) {
if (!firstParameter) {
buffer.append(", ");
}
String parameterName = methodWrapper.varproc.getVarName(new VarVersionPair(index, 0));
buffer.append(
parameterName == null
? "param" + index
: parameterName); // null iff decompiled with errors
firstParameter = false;
}
index += md_content.params[i].stackSize;
}
buffer.append(") ->");
}
buffer.append(" {").appendLineSeparator();
tracer.incrementCurrentSourceLine();
methodLambdaToJava(node, wrapper, mt, buffer, indent + 1, !lambdaToAnonymous, tracer);
buffer.appendIndent(indent).append("}");
addTracer(cl, mt, tracer);
}
} finally {
DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, outerNode);
}
DecompilerContext.getLogger().endWriteClass();
}
private void fieldToJava(
ClassWrapper wrapper,
StructClass cl,
StructField fd,
TextBuffer buffer,
int indent,
BytecodeMappingTracer tracer) {
int start = buffer.length();
boolean isInterface = cl.hasModifier(CodeConstants.ACC_INTERFACE);
boolean isDeprecated = fd.getAttributes().containsKey("Deprecated");
boolean isEnum =
fd.hasModifier(CodeConstants.ACC_ENUM)
&& DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_ENUM);
if (isDeprecated) {
appendDeprecation(buffer, indent);
}
if (interceptor != null) {
String oldName =
interceptor.getOldName(cl.qualifiedName + " " + fd.getName() + " " + fd.getDescriptor());
appendRenameComment(buffer, oldName, MType.FIELD, indent);
}
if (fd.isSynthetic()) {
appendComment(buffer, "synthetic field", indent);
}
appendAnnotations(buffer, fd, indent);
buffer.appendIndent(indent);
if (!isEnum) {
appendModifiers(buffer, fd.getAccessFlags(), FIELD_ALLOWED, isInterface, FIELD_EXCLUDED);
}
VarType fieldType = new VarType(fd.getDescriptor(), false);
GenericFieldDescriptor descriptor = null;
if (DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES)) {
StructGenericSignatureAttribute attr =
(StructGenericSignatureAttribute) fd.getAttributes().getWithKey("Signature");
if (attr != null) {
descriptor = GenericMain.parseFieldSignature(attr.getSignature());
}
}
if (!isEnum) {
if (descriptor != null) {
buffer.append(GenericMain.getGenericCastTypeName(descriptor.type));
} else {
buffer.append(ExprProcessor.getCastTypeName(fieldType));
}
buffer.append(' ');
}
buffer.append(fd.getName());
tracer.incrementCurrentSourceLine(buffer.countLines(start));
Exprent initializer;
if (fd.hasModifier(CodeConstants.ACC_STATIC)) {
initializer =
wrapper
.getStaticFieldInitializers()
.getWithKey(InterpreterUtil.makeUniqueKey(fd.getName(), fd.getDescriptor()));
} else {
initializer =
wrapper
.getDynamicFieldInitializers()
.getWithKey(InterpreterUtil.makeUniqueKey(fd.getName(), fd.getDescriptor()));
}
if (initializer != null) {
if (isEnum && initializer.type == Exprent.EXPRENT_NEW) {
NewExprent nexpr = (NewExprent) initializer;
nexpr.setEnumConst(true);
buffer.append(nexpr.toJava(indent, tracer));
} else {
buffer.append(" = ");
// FIXME: special case field initializer. Can map to more than one method (constructor) and
// bytecode intruction.
buffer.append(initializer.toJava(indent, tracer));
}
} else if (fd.hasModifier(CodeConstants.ACC_FINAL)
&& fd.hasModifier(CodeConstants.ACC_STATIC)) {
StructConstantValueAttribute attr =
(StructConstantValueAttribute)
fd.getAttributes().getWithKey(StructGeneralAttribute.ATTRIBUTE_CONSTANT_VALUE);
if (attr != null) {
PrimitiveConstant constant = cl.getPool().getPrimitiveConstant(attr.getIndex());
buffer.append(" = ");
buffer.append(new ConstExprent(fieldType, constant.value, null).toJava(indent, tracer));
}
}
if (!isEnum) {
buffer.append(";").appendLineSeparator();
tracer.incrementCurrentSourceLine();
}
}
