forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			132 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
//===-- OptionValueEnumeration.cpp ------------------------------*- C++ -*-===//
 | 
						|
//
 | 
						|
//                     The LLVM Compiler Infrastructure
 | 
						|
//
 | 
						|
// This file is distributed under the University of Illinois Open Source
 | 
						|
// License. See LICENSE.TXT for details.
 | 
						|
//
 | 
						|
//===----------------------------------------------------------------------===//
 | 
						|
 | 
						|
#include "lldb/Interpreter/OptionValueEnumeration.h"
 | 
						|
 | 
						|
// C Includes
 | 
						|
// C++ Includes
 | 
						|
// Other libraries and framework includes
 | 
						|
// Project includes
 | 
						|
#include "lldb/Utility/StringList.h"
 | 
						|
 | 
						|
using namespace lldb;
 | 
						|
using namespace lldb_private;
 | 
						|
 | 
						|
OptionValueEnumeration::OptionValueEnumeration(
 | 
						|
    const OptionEnumValueElement *enumerators, enum_type value)
 | 
						|
    : OptionValue(), m_current_value(value), m_default_value(value),
 | 
						|
      m_enumerations() {
 | 
						|
  SetEnumerations(enumerators);
 | 
						|
}
 | 
						|
 | 
						|
OptionValueEnumeration::~OptionValueEnumeration() {}
 | 
						|
 | 
						|
void OptionValueEnumeration::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(" = ");
 | 
						|
    const size_t count = m_enumerations.GetSize();
 | 
						|
    for (size_t i = 0; i < count; ++i) {
 | 
						|
      if (m_enumerations.GetValueAtIndexUnchecked(i).value == m_current_value) {
 | 
						|
        strm.PutCString(m_enumerations.GetCStringAtIndex(i).GetStringRef());
 | 
						|
        return;
 | 
						|
      }
 | 
						|
    }
 | 
						|
    strm.Printf("%" PRIu64, (uint64_t)m_current_value);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
Status OptionValueEnumeration::SetValueFromString(llvm::StringRef value,
 | 
						|
                                                  VarSetOperationType op) {
 | 
						|
  Status error;
 | 
						|
  switch (op) {
 | 
						|
  case eVarSetOperationClear:
 | 
						|
    Clear();
 | 
						|
    NotifyValueChanged();
 | 
						|
    break;
 | 
						|
 | 
						|
  case eVarSetOperationReplace:
 | 
						|
  case eVarSetOperationAssign: {
 | 
						|
    ConstString const_enumerator_name(value.trim());
 | 
						|
    const EnumerationMapEntry *enumerator_entry =
 | 
						|
        m_enumerations.FindFirstValueForName(const_enumerator_name);
 | 
						|
    if (enumerator_entry) {
 | 
						|
      m_current_value = enumerator_entry->value.value;
 | 
						|
      NotifyValueChanged();
 | 
						|
    } else {
 | 
						|
      StreamString error_strm;
 | 
						|
      error_strm.Printf("invalid enumeration value '%s'", value.str().c_str());
 | 
						|
      const size_t count = m_enumerations.GetSize();
 | 
						|
      if (count) {
 | 
						|
        error_strm.Printf(", valid values are: %s",
 | 
						|
                          m_enumerations.GetCStringAtIndex(0).GetCString());
 | 
						|
        for (size_t i = 1; i < count; ++i) {
 | 
						|
          error_strm.Printf(", %s",
 | 
						|
                            m_enumerations.GetCStringAtIndex(i).GetCString());
 | 
						|
        }
 | 
						|
      }
 | 
						|
      error.SetErrorString(error_strm.GetString());
 | 
						|
    }
 | 
						|
    break;
 | 
						|
  }
 | 
						|
 | 
						|
  case eVarSetOperationInsertBefore:
 | 
						|
  case eVarSetOperationInsertAfter:
 | 
						|
  case eVarSetOperationRemove:
 | 
						|
  case eVarSetOperationAppend:
 | 
						|
  case eVarSetOperationInvalid:
 | 
						|
    error = OptionValue::SetValueFromString(value, op);
 | 
						|
    break;
 | 
						|
  }
 | 
						|
  return error;
 | 
						|
}
 | 
						|
 | 
						|
void OptionValueEnumeration::SetEnumerations(
 | 
						|
    const OptionEnumValueElement *enumerators) {
 | 
						|
  m_enumerations.Clear();
 | 
						|
  if (enumerators) {
 | 
						|
    for (size_t i = 0; enumerators[i].string_value != nullptr; ++i) {
 | 
						|
      ConstString const_enumerator_name(enumerators[i].string_value);
 | 
						|
      EnumeratorInfo enumerator_info = {enumerators[i].value,
 | 
						|
                                        enumerators[i].usage};
 | 
						|
      m_enumerations.Append(const_enumerator_name,
 | 
						|
                            enumerator_info);
 | 
						|
    }
 | 
						|
    m_enumerations.Sort();
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
lldb::OptionValueSP OptionValueEnumeration::DeepCopy() const {
 | 
						|
  return OptionValueSP(new OptionValueEnumeration(*this));
 | 
						|
}
 | 
						|
 | 
						|
size_t OptionValueEnumeration::AutoComplete(
 | 
						|
    CommandInterpreter &interpreter, llvm::StringRef s, int match_start_point,
 | 
						|
    int max_return_elements, bool &word_complete, StringList &matches) {
 | 
						|
  word_complete = false;
 | 
						|
  matches.Clear();
 | 
						|
 | 
						|
  const uint32_t num_enumerators = m_enumerations.GetSize();
 | 
						|
  if (!s.empty()) {
 | 
						|
    for (size_t i = 0; i < num_enumerators; ++i) {
 | 
						|
      llvm::StringRef name = m_enumerations.GetCStringAtIndex(i).GetStringRef();
 | 
						|
      if (name.startswith(s))
 | 
						|
        matches.AppendString(name);
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    // only suggest "true" or "false" by default
 | 
						|
    for (size_t i = 0; i < num_enumerators; ++i)
 | 
						|
      matches.AppendString(m_enumerations.GetCStringAtIndex(i).GetStringRef());
 | 
						|
  }
 | 
						|
  return matches.GetSize();
 | 
						|
}
 |