1 files changed, 124 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/API/SBEnvironment.cpp b/contrib/llvm-project/lldb/source/API/SBEnvironment.cpp
new file mode 100644
index 000000000000..5fafabe02e01
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/API/SBEnvironment.cpp
@@ -0,0 +1,124 @@
+//===-- SBEnvironment.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/API/SBEnvironment.h"
+#include "Utils.h"
+#include "lldb/API/SBStringList.h"
+#include "lldb/Utility/ConstString.h"
+#include "lldb/Utility/Environment.h"
+#include "lldb/Utility/Instrumentation.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+SBEnvironment::SBEnvironment() : m_opaque_up(new Environment()) {
+  LLDB_INSTRUMENT_VA(this);
+}
+
+SBEnvironment::SBEnvironment(const SBEnvironment &rhs)
+    : m_opaque_up(clone(rhs.m_opaque_up)) {
+  LLDB_INSTRUMENT_VA(this, rhs);
+}
+
+SBEnvironment::SBEnvironment(Environment rhs)
+    : m_opaque_up(new Environment(std::move(rhs))) {}
+
+SBEnvironment::~SBEnvironment() = default;
+
+const SBEnvironment &SBEnvironment::operator=(const SBEnvironment &rhs) {
+  LLDB_INSTRUMENT_VA(this, rhs);
+
+  if (this != &rhs)
+    m_opaque_up = clone(rhs.m_opaque_up);
+  return *this;
+}
+
+size_t SBEnvironment::GetNumValues() {
+  LLDB_INSTRUMENT_VA(this);
+
+  return m_opaque_up->size();
+}
+
+const char *SBEnvironment::Get(const char *name) {
+  LLDB_INSTRUMENT_VA(this, name);
+
+  auto entry = m_opaque_up->find(name);
+  if (entry == m_opaque_up->end()) {
+    return nullptr;
+  }
+  return ConstString(entry->second).AsCString("");
+}
+
+const char *SBEnvironment::GetNameAtIndex(size_t index) {
+  LLDB_INSTRUMENT_VA(this, index);
+
+  if (index >= GetNumValues())
+    return nullptr;
+  return ConstString(std::next(m_opaque_up->begin(), index)->first())
+      .AsCString("");
+}
+
+const char *SBEnvironment::GetValueAtIndex(size_t index) {
+  LLDB_INSTRUMENT_VA(this, index);
+
+  if (index >= GetNumValues())
+    return nullptr;
+  return ConstString(std::next(m_opaque_up->begin(), index)->second)
+      .AsCString("");
+}
+
+bool SBEnvironment::Set(const char *name, const char *value, bool overwrite) {
+  LLDB_INSTRUMENT_VA(this, name, value, overwrite);
+
+  if (overwrite) {
+    m_opaque_up->insert_or_assign(name, std::string(value));
+    return true;
+  }
+  return m_opaque_up->try_emplace(name, std::string(value)).second;
+}
+
+bool SBEnvironment::Unset(const char *name) {
+  LLDB_INSTRUMENT_VA(this, name);
+
+  return m_opaque_up->erase(name);
+}
+
+SBStringList SBEnvironment::GetEntries() {
+  LLDB_INSTRUMENT_VA(this);
+
+  SBStringList entries;
+  for (const auto &KV : *m_opaque_up) {
+    entries.AppendString(Environment::compose(KV).c_str());
+  }
+  return entries;
+}
+
+void SBEnvironment::PutEntry(const char *name_and_value) {
+  LLDB_INSTRUMENT_VA(this, name_and_value);
+
+  auto split = llvm::StringRef(name_and_value).split('=');
+  m_opaque_up->insert_or_assign(split.first.str(), split.second.str());
+}
+
+void SBEnvironment::SetEntries(const SBStringList &entries, bool append) {
+  LLDB_INSTRUMENT_VA(this, entries, append);
+
+  if (!append)
+    m_opaque_up->clear();
+  for (size_t i = 0; i < entries.GetSize(); i++) {
+    PutEntry(entries.GetStringAtIndex(i));
+  }
+}
+
+void SBEnvironment::Clear() {
+  LLDB_INSTRUMENT_VA(this);
+
+  m_opaque_up->clear();
+}
+
+Environment &SBEnvironment::ref() const { return *m_opaque_up; }