Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 118 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/source/Interpreter/OptionValueFileSpec.cpp b/gnu/llvm/lldb/source/Interpreter/OptionValueFileSpec.cpp
new file mode 100644
index 00000000000..20d3d4e68e3
--- /dev/null
+++ b/gnu/llvm/lldb/source/Interpreter/OptionValueFileSpec.cpp
@@ -0,0 +1,118 @@
+//===-- OptionValueFileSpec.cpp ---------------------------------*- C++ -*-===//
+//
+// 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/Interpreter/OptionValueFileSpec.h"
+
+#include "lldb/DataFormatters/FormatManager.h"
+#include "lldb/Host/FileSystem.h"
+#include "lldb/Interpreter/CommandCompletions.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Utility/Args.h"
+#include "lldb/Utility/State.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+OptionValueFileSpec::OptionValueFileSpec(bool resolve)
+    : OptionValue(), m_current_value(), m_default_value(), m_data_sp(),
+      m_data_mod_time(),
+      m_completion_mask(CommandCompletions::eDiskFileCompletion),
+      m_resolve(resolve) {}
+
+OptionValueFileSpec::OptionValueFileSpec(const FileSpec &value, bool resolve)
+    : OptionValue(), m_current_value(value), m_default_value(value),
+      m_data_sp(), m_data_mod_time(),
+      m_completion_mask(CommandCompletions::eDiskFileCompletion),
+      m_resolve(resolve) {}
+
+OptionValueFileSpec::OptionValueFileSpec(const FileSpec &current_value,
+                                         const FileSpec &default_value,
+                                         bool resolve)
+    : OptionValue(), m_current_value(current_value),
+      m_default_value(default_value), m_data_sp(), m_data_mod_time(),
+      m_completion_mask(CommandCompletions::eDiskFileCompletion),
+      m_resolve(resolve) {}
+
+void OptionValueFileSpec::DumpValue(const ExecutionContext *exe_ctx,
+                                    Stream &strm, uint32_t dump_mask) {
+  if (dump_mask & eDumpOptionType)
+    strm.Printf("(%s)", GetTypeAsCString());
+  if (dump_mask & eDumpOptionValue) {
+    if (dump_mask & eDumpOptionType)
+      strm.PutCString(" = ");
+
+    if (m_current_value) {
+      strm << '"' << m_current_value.GetPath().c_str() << '"';
+    }
+  }
+}
+
+Status OptionValueFileSpec::SetValueFromString(llvm::StringRef value,
+                                               VarSetOperationType op) {
+  Status error;
+  switch (op) {
+  case eVarSetOperationClear:
+    Clear();
+    NotifyValueChanged();
+    break;
+
+  case eVarSetOperationReplace:
+  case eVarSetOperationAssign:
+    if (value.size() > 0) {
+      // The setting value may have whitespace, double-quotes, or single-quotes
+      // around the file path to indicate that internal spaces are not word
+      // breaks.  Strip off any ws & quotes from the start and end of the file
+      // path - we aren't doing any word // breaking here so the quoting is
+      // unnecessary.  NB this will cause a problem if someone tries to specify
+      // a file path that legitimately begins or ends with a " or ' character,
+      // or whitespace.
+      value = value.trim("\"' \t");
+      m_value_was_set = true;
+      m_current_value.SetFile(value.str(), FileSpec::Style::native);
+      if (m_resolve)
+        FileSystem::Instance().Resolve(m_current_value);
+      m_data_sp.reset();
+      m_data_mod_time = llvm::sys::TimePoint<>();
+      NotifyValueChanged();
+    } else {
+      error.SetErrorString("invalid value string");
+    }
+    break;
+
+  case eVarSetOperationInsertBefore:
+  case eVarSetOperationInsertAfter:
+  case eVarSetOperationRemove:
+  case eVarSetOperationAppend:
+  case eVarSetOperationInvalid:
+    error = OptionValue::SetValueFromString(value, op);
+    break;
+  }
+  return error;
+}
+
+lldb::OptionValueSP OptionValueFileSpec::DeepCopy() const {
+  return OptionValueSP(new OptionValueFileSpec(*this));
+}
+
+void OptionValueFileSpec::AutoComplete(CommandInterpreter &interpreter,
+                                       CompletionRequest &request) {
+  CommandCompletions::InvokeCommonCompletionCallbacks(
+      interpreter, m_completion_mask, request, nullptr);
+}
+
+const lldb::DataBufferSP &OptionValueFileSpec::GetFileContents() {
+  if (m_current_value) {
+    const auto file_mod_time = FileSystem::Instance().GetModificationTime(m_current_value);
+    if (m_data_sp && m_data_mod_time == file_mod_time)
+      return m_data_sp;
+    m_data_sp =
+        FileSystem::Instance().CreateDataBuffer(m_current_value.GetPath());
+    m_data_mod_time = file_mod_time;
+  }
+  return m_data_sp;
+}