lldb/source/Core/UserSettingsController.cpp

//====-- UserSettingsController.cpp ------------------------------*- C++
//-*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include <algorithm>
#include <string.h>

#include "lldb/Core/Error.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Core/UserSettingsController.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/OptionValueProperties.h"
#include "lldb/Interpreter/OptionValueString.h"

using namespace lldb;
using namespace lldb_private;

lldb::OptionValueSP
Properties::GetPropertyValue(const ExecutionContext *exe_ctx, const char *path,
                             bool will_modify, Error &error) const {
  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp)
    return properties_sp->GetSubValue(exe_ctx, path, will_modify, error);
  return lldb::OptionValueSP();
}

Error Properties::SetPropertyValue(const ExecutionContext *exe_ctx,
                                   VarSetOperationType op, const char *path,
                                   const char *value) {
  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp)
    return properties_sp->SetSubValue(exe_ctx, op, path, value);
  Error error;
  error.SetErrorString("no properties");
  return error;
}

void Properties::DumpAllPropertyValues(const ExecutionContext *exe_ctx,
                                       Stream &strm, uint32_t dump_mask) {
  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp)
    return properties_sp->DumpValue(exe_ctx, strm, dump_mask);
}

void Properties::DumpAllDescriptions(CommandInterpreter &interpreter,
                                     Stream &strm) const {
  strm.PutCString("Top level variables:\n\n");

  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp)
    return properties_sp->DumpAllDescriptions(interpreter, strm);
}

Error Properties::DumpPropertyValue(const ExecutionContext *exe_ctx,
                                    Stream &strm, const char *property_path,
                                    uint32_t dump_mask) {
  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp) {
    return properties_sp->DumpPropertyValue(exe_ctx, strm, property_path,
                                            dump_mask);
  }
  Error error;
  error.SetErrorString("empty property list");
  return error;
}

size_t
Properties::Apropos(const char *keyword,
                    std::vector<const Property *> &matching_properties) const {
  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp) {
    properties_sp->Apropos(keyword, matching_properties);
  }
  return matching_properties.size();
}

lldb::OptionValuePropertiesSP
Properties::GetSubProperty(const ExecutionContext *exe_ctx,
                           const ConstString &name) {
  OptionValuePropertiesSP properties_sp(GetValueProperties());
  if (properties_sp)
    return properties_sp->GetSubProperty(exe_ctx, name);
  return lldb::OptionValuePropertiesSP();
}

const char *Properties::GetExperimentalSettingsName() { return "experimental"; }

bool Properties::IsSettingExperimental(const char *setting) {
  if (setting == nullptr)
    return false;

  const char *experimental = GetExperimentalSettingsName();
  const char *dot_pos = strchr(setting, '.');
  if (dot_pos == nullptr)
    return strcmp(experimental, setting) == 0;
  else {
    size_t first_elem_len = dot_pos - setting;
    return strncmp(experimental, setting, first_elem_len) == 0;
  }
}