111 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
//===-- OptionValueEnumeration.cpp ----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Interpreter/OptionValueEnumeration.h"
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#include "lldb/Utility/StringList.h"
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using namespace lldb;
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using namespace lldb_private;
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OptionValueEnumeration::OptionValueEnumeration(
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    const OptionEnumValues &enumerators, enum_type value)
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    : m_current_value(value), m_default_value(value) {
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  SetEnumerations(enumerators);
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}
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void OptionValueEnumeration::DumpValue(const ExecutionContext *exe_ctx,
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                                       Stream &strm, uint32_t dump_mask) {
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  if (dump_mask & eDumpOptionType)
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    strm.Printf("(%s)", GetTypeAsCString());
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  if (dump_mask & eDumpOptionValue) {
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    if (dump_mask & eDumpOptionType)
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      strm.PutCString(" = ");
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    const size_t count = m_enumerations.GetSize();
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    for (size_t i = 0; i < count; ++i) {
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      if (m_enumerations.GetValueAtIndexUnchecked(i).value == m_current_value) {
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        strm.PutCString(m_enumerations.GetCStringAtIndex(i).GetStringRef());
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        return;
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      }
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    }
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    strm.Printf("%" PRIu64, (uint64_t)m_current_value);
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  }
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}
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Status OptionValueEnumeration::SetValueFromString(llvm::StringRef value,
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                                                  VarSetOperationType op) {
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  Status error;
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  switch (op) {
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  case eVarSetOperationClear:
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    Clear();
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    NotifyValueChanged();
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    break;
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  case eVarSetOperationReplace:
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  case eVarSetOperationAssign: {
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    ConstString const_enumerator_name(value.trim());
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    const EnumerationMapEntry *enumerator_entry =
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        m_enumerations.FindFirstValueForName(const_enumerator_name);
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    if (enumerator_entry) {
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      m_current_value = enumerator_entry->value.value;
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      NotifyValueChanged();
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    } else {
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      StreamString error_strm;
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      error_strm.Printf("invalid enumeration value '%s'", value.str().c_str());
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      const size_t count = m_enumerations.GetSize();
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      if (count) {
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        error_strm.Printf(", valid values are: %s",
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                          m_enumerations.GetCStringAtIndex(0).GetCString());
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        for (size_t i = 1; i < count; ++i) {
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          error_strm.Printf(", %s",
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                            m_enumerations.GetCStringAtIndex(i).GetCString());
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        }
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      }
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      error.SetErrorString(error_strm.GetString());
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    }
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    break;
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  }
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  case eVarSetOperationInsertBefore:
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  case eVarSetOperationInsertAfter:
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  case eVarSetOperationRemove:
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  case eVarSetOperationAppend:
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  case eVarSetOperationInvalid:
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    error = OptionValue::SetValueFromString(value, op);
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    break;
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  }
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  return error;
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}
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void OptionValueEnumeration::SetEnumerations(
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    const OptionEnumValues &enumerators) {
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  m_enumerations.Clear();
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  for (const auto &enumerator : enumerators) {
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    ConstString const_enumerator_name(enumerator.string_value);
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    EnumeratorInfo enumerator_info = {enumerator.value, enumerator.usage};
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    m_enumerations.Append(const_enumerator_name, enumerator_info);
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  }
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  m_enumerations.Sort();
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}
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void OptionValueEnumeration::AutoComplete(CommandInterpreter &interpreter,
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                                          CompletionRequest &request) {
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  const uint32_t num_enumerators = m_enumerations.GetSize();
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  if (!request.GetCursorArgumentPrefix().empty()) {
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    for (size_t i = 0; i < num_enumerators; ++i) {
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      llvm::StringRef name = m_enumerations.GetCStringAtIndex(i).GetStringRef();
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      request.TryCompleteCurrentArg(name);
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    }
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    return;
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  }
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    for (size_t i = 0; i < num_enumerators; ++i)
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      request.AddCompletion(m_enumerations.GetCStringAtIndex(i).GetStringRef());
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}
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