312 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			312 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- OptionValueArray.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/OptionValueArray.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/Host/StringConvert.h"
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| #include "lldb/Interpreter/Args.h"
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| #include "lldb/Utility/Stream.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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| void OptionValueArray::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
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|                                  uint32_t dump_mask) {
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|   const Type array_element_type = ConvertTypeMaskToType(m_type_mask);
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|   if (dump_mask & eDumpOptionType) {
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|     if ((GetType() == eTypeArray) && (m_type_mask != eTypeInvalid))
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|       strm.Printf("(%s of %ss)", GetTypeAsCString(),
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|                   GetBuiltinTypeAsCString(array_element_type));
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|     else
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|       strm.Printf("(%s)", GetTypeAsCString());
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|   }
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|   if (dump_mask & eDumpOptionValue) {
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|     if (dump_mask & eDumpOptionType)
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|       strm.Printf(" =%s", (m_values.size() > 0) ? "\n" : "");
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|     strm.IndentMore();
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|     const uint32_t size = m_values.size();
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|     for (uint32_t i = 0; i < size; ++i) {
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|       strm.Indent();
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|       strm.Printf("[%u]: ", i);
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|       const uint32_t extra_dump_options = m_raw_value_dump ? eDumpOptionRaw : 0;
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|       switch (array_element_type) {
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|       default:
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|       case eTypeArray:
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|       case eTypeDictionary:
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|       case eTypeProperties:
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|       case eTypeFileSpecList:
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|       case eTypePathMap:
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|         m_values[i]->DumpValue(exe_ctx, strm, dump_mask | extra_dump_options);
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|         break;
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| 
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|       case eTypeBoolean:
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|       case eTypeChar:
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|       case eTypeEnum:
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|       case eTypeFileSpec:
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|       case eTypeFormat:
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|       case eTypeSInt64:
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|       case eTypeString:
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|       case eTypeUInt64:
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|       case eTypeUUID:
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|         // No need to show the type for dictionaries of simple items
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|         m_values[i]->DumpValue(exe_ctx, strm, (dump_mask & (~eDumpOptionType)) |
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|                                                   extra_dump_options);
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|         break;
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|       }
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|       if (i < (size - 1))
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|         strm.EOL();
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|     }
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|     strm.IndentLess();
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|   }
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| }
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| 
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| Status OptionValueArray::SetValueFromString(llvm::StringRef value,
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|                                             VarSetOperationType op) {
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|   Args args(value.str());
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|   Status error = SetArgs(args, op);
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|   if (error.Success())
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|     NotifyValueChanged();
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|   return error;
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| }
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| 
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| lldb::OptionValueSP
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| OptionValueArray::GetSubValue(const ExecutionContext *exe_ctx,
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|                               llvm::StringRef name, bool will_modify,
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|                               Status &error) const {
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|   if (name.empty() || name.front() != '[') {
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|     error.SetErrorStringWithFormat(
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|       "invalid value path '%s', %s values only support '[<index>]' subvalues "
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|       "where <index> is a positive or negative array index",
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|       name.str().c_str(), GetTypeAsCString());
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|     return nullptr;
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|   }
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| 
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|   name = name.drop_front();
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|   llvm::StringRef index, sub_value;
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|   std::tie(index, sub_value) = name.split(']');
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|   if (index.size() == name.size()) {
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|     // Couldn't find a closing bracket
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|     return nullptr;
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|   }
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| 
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|   const size_t array_count = m_values.size();
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|   int32_t idx = 0;
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|   if (index.getAsInteger(0, idx))
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|     return nullptr;
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| 
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|   uint32_t new_idx = UINT32_MAX;
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|   if (idx < 0) {
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|     // Access from the end of the array if the index is negative
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|     new_idx = array_count - idx;
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|   } else {
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|     // Just a standard index
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|     new_idx = idx;
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|   }
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| 
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|   if (new_idx < array_count) {
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|     if (m_values[new_idx]) {
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|       if (!sub_value.empty())
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|         return m_values[new_idx]->GetSubValue(exe_ctx, sub_value,
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|                                               will_modify, error);
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|       else
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|         return m_values[new_idx];
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|     }
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|   } else {
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|     if (array_count == 0)
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|       error.SetErrorStringWithFormat(
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|           "index %i is not valid for an empty array", idx);
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|     else if (idx > 0)
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|       error.SetErrorStringWithFormat(
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|           "index %i out of range, valid values are 0 through %" PRIu64,
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|           idx, (uint64_t)(array_count - 1));
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|     else
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|       error.SetErrorStringWithFormat("negative index %i out of range, "
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|                                       "valid values are -1 through "
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|                                       "-%" PRIu64,
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|                                       idx, (uint64_t)array_count);
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|   }
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|   return OptionValueSP();
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| }
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| 
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| size_t OptionValueArray::GetArgs(Args &args) const {
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|   args.Clear();
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|   const uint32_t size = m_values.size();
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|   for (uint32_t i = 0; i < size; ++i) {
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|     llvm::StringRef string_value = m_values[i]->GetStringValue();
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|     if (!string_value.empty())
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|       args.AppendArgument(string_value);
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|   }
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| 
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|   return args.GetArgumentCount();
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| }
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| 
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| Status OptionValueArray::SetArgs(const Args &args, VarSetOperationType op) {
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|   Status error;
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|   const size_t argc = args.GetArgumentCount();
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|   switch (op) {
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|   case eVarSetOperationInvalid:
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|     error.SetErrorString("unsupported operation");
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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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|     if (argc > 1) {
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|       uint32_t idx =
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|           StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
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|       const uint32_t count = GetSize();
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|       if (idx > count) {
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|         error.SetErrorStringWithFormat(
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|             "invalid insert array index %u, index must be 0 through %u", idx,
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|             count);
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|       } else {
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|         if (op == eVarSetOperationInsertAfter)
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|           ++idx;
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|         for (size_t i = 1; i < argc; ++i, ++idx) {
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|           lldb::OptionValueSP value_sp(CreateValueFromCStringForTypeMask(
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|               args.GetArgumentAtIndex(i), m_type_mask, error));
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|           if (value_sp) {
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|             if (error.Fail())
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|               return error;
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|             if (idx >= m_values.size())
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|               m_values.push_back(value_sp);
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|             else
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|               m_values.insert(m_values.begin() + idx, value_sp);
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|           } else {
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|             error.SetErrorString(
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|                 "array of complex types must subclass OptionValueArray");
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|             return error;
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|           }
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|         }
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|       }
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|     } else {
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|       error.SetErrorString("insert operation takes an array index followed by "
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|                            "one or more values");
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|     }
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|     break;
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| 
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|   case eVarSetOperationRemove:
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|     if (argc > 0) {
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|       const uint32_t size = m_values.size();
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|       std::vector<int> remove_indexes;
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|       bool all_indexes_valid = true;
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|       size_t i;
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|       for (i = 0; i < argc; ++i) {
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|         const size_t idx =
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|             StringConvert::ToSInt32(args.GetArgumentAtIndex(i), INT32_MAX);
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|         if (idx >= size) {
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|           all_indexes_valid = false;
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|           break;
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|         } else
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|           remove_indexes.push_back(idx);
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|       }
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| 
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|       if (all_indexes_valid) {
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|         size_t num_remove_indexes = remove_indexes.size();
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|         if (num_remove_indexes) {
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|           // Sort and then erase in reverse so indexes are always valid
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|           if (num_remove_indexes > 1) {
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|             std::sort(remove_indexes.begin(), remove_indexes.end());
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|             for (std::vector<int>::const_reverse_iterator
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|                      pos = remove_indexes.rbegin(),
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|                      end = remove_indexes.rend();
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|                  pos != end; ++pos) {
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|               m_values.erase(m_values.begin() + *pos);
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|             }
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|           } else {
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|             // Only one index
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|             m_values.erase(m_values.begin() + remove_indexes.front());
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|           }
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|         }
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|       } else {
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|         error.SetErrorStringWithFormat(
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|             "invalid array index '%s', aborting remove operation",
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|             args.GetArgumentAtIndex(i));
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|       }
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|     } else {
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|       error.SetErrorString("remove operation takes one or more array indices");
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|     }
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|     break;
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| 
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|   case eVarSetOperationClear:
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|     Clear();
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|     break;
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| 
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|   case eVarSetOperationReplace:
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|     if (argc > 1) {
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|       uint32_t idx =
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|           StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
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|       const uint32_t count = GetSize();
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|       if (idx > count) {
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|         error.SetErrorStringWithFormat(
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|             "invalid replace array index %u, index must be 0 through %u", idx,
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|             count);
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|       } else {
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|         for (size_t i = 1; i < argc; ++i, ++idx) {
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|           lldb::OptionValueSP value_sp(CreateValueFromCStringForTypeMask(
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|               args.GetArgumentAtIndex(i), m_type_mask, error));
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|           if (value_sp) {
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|             if (error.Fail())
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|               return error;
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|             if (idx < count)
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|               m_values[idx] = value_sp;
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|             else
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|               m_values.push_back(value_sp);
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|           } else {
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|             error.SetErrorString(
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|                 "array of complex types must subclass OptionValueArray");
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|             return error;
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|           }
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|         }
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|       }
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|     } else {
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|       error.SetErrorString("replace operation takes an array index followed by "
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|                            "one or more values");
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|     }
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|     break;
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| 
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|   case eVarSetOperationAssign:
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|     m_values.clear();
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|     // Fall through to append case
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|     LLVM_FALLTHROUGH;
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|   case eVarSetOperationAppend:
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|     for (size_t i = 0; i < argc; ++i) {
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|       lldb::OptionValueSP value_sp(CreateValueFromCStringForTypeMask(
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|           args.GetArgumentAtIndex(i), m_type_mask, error));
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|       if (value_sp) {
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|         if (error.Fail())
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|           return error;
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|         m_value_was_set = true;
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|         AppendValue(value_sp);
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|       } else {
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|         error.SetErrorString(
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|             "array of complex types must subclass OptionValueArray");
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|       }
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|     }
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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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| lldb::OptionValueSP OptionValueArray::DeepCopy() const {
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|   OptionValueArray *copied_array =
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|       new OptionValueArray(m_type_mask, m_raw_value_dump);
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|   lldb::OptionValueSP copied_value_sp(copied_array);
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|   *static_cast<OptionValue *>(copied_array) = *this;
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|   copied_array->m_callback = m_callback;
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|   const uint32_t size = m_values.size();
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|   for (uint32_t i = 0; i < size; ++i) {
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|     copied_array->AppendValue(m_values[i]->DeepCopy());
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|   }
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|   return copied_value_sp;
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| }
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