1 files changed, 94 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Core/ValueObjectCast.cpp b/contrib/llvm-project/lldb/source/Core/ValueObjectCast.cpp
new file mode 100644
index 000000000000..c8e316415141
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Core/ValueObjectCast.cpp
@@ -0,0 +1,94 @@
+//===-- ValueObjectCast.cpp -----------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Core/ValueObjectCast.h"
+
+#include "lldb/Core/Value.h"
+#include "lldb/Core/ValueObject.h"
+#include "lldb/Symbol/CompilerType.h"
+#include "lldb/Target/ExecutionContext.h"
+#include "lldb/Utility/Scalar.h"
+#include "lldb/Utility/Status.h"
+#include <optional>
+
+namespace lldb_private {
+class ConstString;
+}
+
+using namespace lldb_private;
+
+lldb::ValueObjectSP ValueObjectCast::Create(ValueObject &parent,
+                                            ConstString name,
+                                            const CompilerType &cast_type) {
+  ValueObjectCast *cast_valobj_ptr =
+      new ValueObjectCast(parent, name, cast_type);
+  return cast_valobj_ptr->GetSP();
+}
+
+ValueObjectCast::ValueObjectCast(ValueObject &parent, ConstString name,
+                                 const CompilerType &cast_type)
+    : ValueObject(parent), m_cast_type(cast_type) {
+  SetName(name);
+  m_value.SetCompilerType(cast_type);
+}
+
+ValueObjectCast::~ValueObjectCast() = default;
+
+CompilerType ValueObjectCast::GetCompilerTypeImpl() { return m_cast_type; }
+
+llvm::Expected<uint32_t> ValueObjectCast::CalculateNumChildren(uint32_t max) {
+  ExecutionContext exe_ctx(GetExecutionContextRef());
+  auto children_count = GetCompilerType().GetNumChildren(
+      true, &exe_ctx);
+  if (!children_count)
+    return children_count;
+  return *children_count <= max ? *children_count : max;
+}
+
+std::optional<uint64_t> ValueObjectCast::GetByteSize() {
+  ExecutionContext exe_ctx(GetExecutionContextRef());
+  return m_value.GetValueByteSize(nullptr, &exe_ctx);
+}
+
+lldb::ValueType ValueObjectCast::GetValueType() const {
+  // Let our parent answer global, local, argument, etc...
+  return m_parent->GetValueType();
+}
+
+bool ValueObjectCast::UpdateValue() {
+  SetValueIsValid(false);
+  m_error.Clear();
+
+  if (m_parent->UpdateValueIfNeeded(false)) {
+    Value old_value(m_value);
+    m_update_point.SetUpdated();
+    m_value = m_parent->GetValue();
+    CompilerType compiler_type(GetCompilerType());
+    m_value.SetCompilerType(compiler_type);
+    SetAddressTypeOfChildren(m_parent->GetAddressTypeOfChildren());
+    if (!CanProvideValue()) {
+      // this value object represents an aggregate type whose children have
+      // values, but this object does not. So we say we are changed if our
+      // location has changed.
+      SetValueDidChange(m_value.GetValueType() != old_value.GetValueType() ||
+                        m_value.GetScalar() != old_value.GetScalar());
+    }
+    ExecutionContext exe_ctx(GetExecutionContextRef());
+    m_error = m_value.GetValueAsData(&exe_ctx, m_data, GetModule().get());
+    SetValueDidChange(m_parent->GetValueDidChange());
+    return true;
+  }
+
+  // The dynamic value failed to get an error, pass the error along
+  if (m_error.Success() && m_parent->GetError().Fail())
+    m_error = m_parent->GetError();
+  SetValueIsValid(false);
+  return false;
+}
+
+bool ValueObjectCast::IsInScope() { return m_parent->IsInScope(); }