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//===-- 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/Core/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));
return;
}
}
strm.Printf("%" PRIu64, (uint64_t)m_current_value);
}
}
Error
OptionValueEnumeration::SetValueFromCString (const char *value, VarSetOperationType op)
{
Error error;
switch (op)
{
case eVarSetOperationClear:
Clear ();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign:
if (value && value[0])
{
ConstString const_enumerator_name(value);
const EnumerationMapEntry *enumerator_entry = m_enumerations.FindFirstValueForName (const_enumerator_name.GetCString());
if (enumerator_entry)
{
m_current_value = enumerator_entry->value.value;
}
else
{
StreamString error_strm;
error_strm.Printf("invalid enumeration value '%s'", value);
const size_t count = m_enumerations.GetSize ();
if (count)
{
error_strm.Printf(", valid values are: %s", m_enumerations.GetCStringAtIndex(0));
for (size_t i=1; i<count; ++i)
{
error_strm.Printf (", %s", m_enumerations.GetCStringAtIndex(i));
}
}
error.SetErrorString(error_strm.GetData());
}
}
else
{
error.SetErrorString("invalid enumeration value");
}
break;
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
case eVarSetOperationRemove:
case eVarSetOperationAppend:
case eVarSetOperationInvalid:
error = OptionValue::SetValueFromCString (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.GetCString(), enumerator_info);
}
m_enumerations.Sort();
}
}
lldb::OptionValueSP
OptionValueEnumeration::DeepCopy () const
{
return OptionValueSP(new OptionValueEnumeration(*this));
}
size_t
OptionValueEnumeration::AutoComplete (CommandInterpreter &interpreter,
const char *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 && s[0])
{
const size_t s_len = strlen(s);
for (size_t i=0; i<num_enumerators; ++i)
{
const char *name = m_enumerations.GetCStringAtIndex(i);
if (::strncmp(s, name, s_len) == 0)
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));
}
return matches.GetSize();
}
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