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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/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();
}
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