vendor/lldb/lldb-release_39-r276489

1 files changed, 112 insertions, 0 deletions

diff --git a/source/Plugins/Language/Java/JavaLanguage.cpp b/source/Plugins/Language/Java/JavaLanguage.cpp
new file mode 100644
index 000000000000..a4f883f68827
--- /dev/null
+++ b/source/Plugins/Language/Java/JavaLanguage.cpp
@@ -0,0 +1,112 @@
+//===-- JavaLanguage.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
+#include <string.h>
+// C++ Includes
+#include <functional>
+#include <mutex>
+
+// Other libraries and framework includes
+#include "llvm/ADT/StringRef.h"
+
+// Project includes
+#include "JavaFormatterFunctions.h"
+#include "JavaLanguage.h"
+#include "lldb/Core/ConstString.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/DataFormatters/DataVisualization.h"
+#include "lldb/DataFormatters/FormattersHelpers.h"
+#include "lldb/Symbol/JavaASTContext.h"
+
+using namespace lldb;
+using namespace lldb_private;
+using namespace lldb_private::formatters;
+
+void
+JavaLanguage::Initialize()
+{
+    PluginManager::RegisterPlugin(GetPluginNameStatic(), "Java Language", CreateInstance);
+}
+
+void
+JavaLanguage::Terminate()
+{
+    PluginManager::UnregisterPlugin(CreateInstance);
+}
+
+lldb_private::ConstString
+JavaLanguage::GetPluginNameStatic()
+{
+    static ConstString g_name("Java");
+    return g_name;
+}
+
+lldb_private::ConstString
+JavaLanguage::GetPluginName()
+{
+    return GetPluginNameStatic();
+}
+
+uint32_t
+JavaLanguage::GetPluginVersion()
+{
+    return 1;
+}
+
+Language *
+JavaLanguage::CreateInstance(lldb::LanguageType language)
+{
+    if (language == eLanguageTypeJava)
+        return new JavaLanguage();
+    return nullptr;
+}
+
+bool
+JavaLanguage::IsNilReference(ValueObject &valobj)
+{
+    if (!valobj.GetCompilerType().IsReferenceType())
+        return false;
+
+    // If we failed to read the value then it is not a nil reference.
+    return valobj.GetValueAsUnsigned(UINT64_MAX) == 0;
+}
+
+lldb::TypeCategoryImplSP
+JavaLanguage::GetFormatters()
+{
+    static std::once_flag g_initialize;
+    static TypeCategoryImplSP g_category;
+
+    std::call_once(g_initialize, [this]() -> void {
+        DataVisualization::Categories::GetCategory(GetPluginName(), g_category);
+        if (g_category)
+        {
+            const char* array_regexp = "^.*\\[\\]&?$";
+
+            lldb::TypeSummaryImplSP string_summary_sp(new CXXFunctionSummaryFormat(
+                TypeSummaryImpl::Flags().SetDontShowChildren(true), lldb_private::formatters::JavaStringSummaryProvider,
+                "java.lang.String summary provider"));
+            g_category->GetTypeSummariesContainer()->Add(ConstString("java::lang::String"), string_summary_sp);
+
+            lldb::TypeSummaryImplSP array_summary_sp(new CXXFunctionSummaryFormat(
+                TypeSummaryImpl::Flags().SetDontShowChildren(true), lldb_private::formatters::JavaArraySummaryProvider,
+                "Java array summary provider"));
+            g_category->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression(array_regexp)),
+                                                              array_summary_sp);
+
+#ifndef LLDB_DISABLE_PYTHON
+            AddCXXSynthetic(g_category, lldb_private::formatters::JavaArraySyntheticFrontEndCreator,
+                            "Java array synthetic children", ConstString(array_regexp),
+                            SyntheticChildren::Flags().SetCascades(true), true);
+#endif
+        }
+    });
+    return g_category;
+}