Remove Java debugger plugin

In January Davide sent an e-mail to the mailing list to suggest removing
unmaintained language plugins such as Go and Java. The plan was to have
some cool down period to allow users to speak up, however after that the
plugins were never actually removed.

This patch removes the Java debugger plugin.

The plugin can be added again in the future if it is mature enough both
in terms of testing and maintenance commitment.

Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html

Differential revision: https://reviews.llvm.org/D54059

llvm-svn: 346158

1 files changed, 0 insertions, 167 deletions

diff --git a/lldb/source/Plugins/Language/Java/JavaFormatterFunctions.cpp b/lldb/source/Plugins/Language/Java/JavaFormatterFunctions.cpp
deleted file mode 100644
index 498795c90be..00000000000
--- a/lldb/source/Plugins/Language/Java/JavaFormatterFunctions.cpp
+++ /dev/null
@@ -1,167 +0,0 @@
-//===-- JavaFormatterFunctions.cpp-------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "JavaFormatterFunctions.h"
-#include "lldb/DataFormatters/FormattersHelpers.h"
-#include "lldb/DataFormatters/StringPrinter.h"
-#include "lldb/Symbol/JavaASTContext.h"
-
-using namespace lldb;
-using namespace lldb_private;
-using namespace lldb_private::formatters;
-
-namespace {
-
-class JavaArraySyntheticFrontEnd : public SyntheticChildrenFrontEnd {
-public:
-  JavaArraySyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
-      : SyntheticChildrenFrontEnd(*valobj_sp) {
-    if (valobj_sp)
-      Update();
-  }
-
-  size_t CalculateNumChildren() override {
-    ValueObjectSP valobj = GetDereferencedValueObject();
-    if (!valobj)
-      return 0;
-
-    CompilerType type = valobj->GetCompilerType();
-    uint32_t size = JavaASTContext::CalculateArraySize(type, *valobj);
-    if (size == UINT32_MAX)
-      return 0;
-    return size;
-  }
-
-  lldb::ValueObjectSP GetChildAtIndex(size_t idx) override {
-    ValueObjectSP valobj = GetDereferencedValueObject();
-    if (!valobj)
-      return nullptr;
-
-    ProcessSP process_sp = valobj->GetProcessSP();
-    if (!process_sp)
-      return nullptr;
-
-    CompilerType type = valobj->GetCompilerType();
-    CompilerType element_type = type.GetArrayElementType();
-    lldb::addr_t address =
-        valobj->GetAddressOf() +
-        JavaASTContext::CalculateArrayElementOffset(type, idx);
-
-    Status error;
-    size_t byte_size = element_type.GetByteSize(nullptr);
-    DataBufferSP buffer_sp(new DataBufferHeap(byte_size, 0));
-    size_t bytes_read = process_sp->ReadMemory(address, buffer_sp->GetBytes(),
-                                               byte_size, error);
-    if (error.Fail() || byte_size != bytes_read)
-      return nullptr;
-
-    StreamString name;
-    name.Printf("[%" PRIu64 "]", (uint64_t)idx);
-    DataExtractor data(buffer_sp, process_sp->GetByteOrder(),
-                       process_sp->GetAddressByteSize());
-    return CreateValueObjectFromData(
-        name.GetString(), data, valobj->GetExecutionContextRef(), element_type);
-  }
-
-  bool Update() override { return false; }
-
-  bool MightHaveChildren() override { return true; }
-
-  size_t GetIndexOfChildWithName(const ConstString &name) override {
-    return ExtractIndexFromString(name.GetCString());
-  }
-
-private:
-  ValueObjectSP GetDereferencedValueObject() {
-    if (!m_backend.IsPointerOrReferenceType())
-      return m_backend.GetSP();
-
-    Status error;
-    return m_backend.Dereference(error);
-  }
-};
-
-} // end of anonymous namespace
-
-bool lldb_private::formatters::JavaStringSummaryProvider(
-    ValueObject &valobj, Stream &stream, const TypeSummaryOptions &opts) {
-  if (valobj.IsPointerOrReferenceType()) {
-    Status error;
-    ValueObjectSP deref = valobj.Dereference(error);
-    if (error.Fail())
-      return false;
-    return JavaStringSummaryProvider(*deref, stream, opts);
-  }
-
-  ProcessSP process_sp = valobj.GetProcessSP();
-  if (!process_sp)
-    return false;
-
-  ConstString data_name("value");
-  ConstString length_name("count");
-
-  ValueObjectSP length_sp = valobj.GetChildMemberWithName(length_name, true);
-  ValueObjectSP data_sp = valobj.GetChildMemberWithName(data_name, true);
-  if (!data_sp || !length_sp)
-    return false;
-
-  bool success = false;
-  uint64_t length = length_sp->GetValueAsUnsigned(0, &success);
-  if (!success)
-    return false;
-
-  if (length == 0) {
-    stream.Printf("\"\"");
-    return true;
-  }
-  lldb::addr_t valobj_addr = data_sp->GetAddressOf();
-
-  StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
-  options.SetLocation(valobj_addr);
-  options.SetProcessSP(process_sp);
-  options.SetStream(&stream);
-  options.SetSourceSize(length);
-  options.SetNeedsZeroTermination(false);
-  options.SetLanguage(eLanguageTypeJava);
-
-  if (StringPrinter::ReadStringAndDumpToStream<
-          StringPrinter::StringElementType::UTF16>(options))
-    return true;
-
-  stream.Printf("Summary Unavailable");
-  return true;
-}
-
-bool lldb_private::formatters::JavaArraySummaryProvider(
-    ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
-  if (valobj.IsPointerOrReferenceType()) {
-    Status error;
-    ValueObjectSP deref = valobj.Dereference(error);
-    if (error.Fail())
-      return false;
-    return JavaArraySummaryProvider(*deref, stream, options);
-  }
-
-  CompilerType type = valobj.GetCompilerType();
-  uint32_t size = JavaASTContext::CalculateArraySize(type, valobj);
-  if (size == UINT32_MAX)
-    return false;
-  stream.Printf("[%u]{...}", size);
-  return true;
-}
-
-SyntheticChildrenFrontEnd *
-lldb_private::formatters::JavaArraySyntheticFrontEndCreator(
-    CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
-  return valobj_sp ? new JavaArraySyntheticFrontEnd(valobj_sp) : nullptr;
-}