132 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- OptionValueEnumeration.cpp ------------------------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "lldb/Interpreter/OptionValueEnumeration.h"
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| 
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| // C Includes
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| // C++ Includes
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| // Other libraries and framework includes
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| // Project includes
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| #include "lldb/Utility/StringList.h"
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| 
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| using namespace lldb;
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| using namespace lldb_private;
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| 
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| OptionValueEnumeration::OptionValueEnumeration(
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|     const OptionEnumValueElement *enumerators, enum_type value)
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|     : OptionValue(), m_current_value(value), m_default_value(value),
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|       m_enumerations() {
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|   SetEnumerations(enumerators);
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| }
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| 
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| OptionValueEnumeration::~OptionValueEnumeration() {}
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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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| 
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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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| 
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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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| 
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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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| 
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| void OptionValueEnumeration::SetEnumerations(
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|     const OptionEnumValueElement *enumerators) {
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|   m_enumerations.Clear();
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|   if (enumerators) {
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|     for (size_t i = 0; enumerators[i].string_value != nullptr; ++i) {
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|       ConstString const_enumerator_name(enumerators[i].string_value);
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|       EnumeratorInfo enumerator_info = {enumerators[i].value,
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|                                         enumerators[i].usage};
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|       m_enumerations.Append(const_enumerator_name,
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|                             enumerator_info);
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|     }
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|     m_enumerations.Sort();
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|   }
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| }
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| 
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| lldb::OptionValueSP OptionValueEnumeration::DeepCopy() const {
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|   return OptionValueSP(new OptionValueEnumeration(*this));
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| }
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| 
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| size_t OptionValueEnumeration::AutoComplete(
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|     CommandInterpreter &interpreter, llvm::StringRef s, int match_start_point,
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|     int max_return_elements, bool &word_complete, StringList &matches) {
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|   word_complete = false;
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|   matches.Clear();
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| 
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|   const uint32_t num_enumerators = m_enumerations.GetSize();
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|   if (!s.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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|       if (name.startswith(s))
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|         matches.AppendString(name);
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|     }
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|   } else {
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|     // only suggest "true" or "false" by default
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|     for (size_t i = 0; i < num_enumerators; ++i)
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|       matches.AppendString(m_enumerations.GetCStringAtIndex(i).GetStringRef());
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|   }
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|   return matches.GetSize();
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| }
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