llvm-project/lldb/source/Interpreter/OptionValueArray.cpp

353 lines
12 KiB
C++

//===-- OptionValueArray.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/OptionValueArray.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Stream.h"
#include "lldb/Interpreter/Args.h"
using namespace lldb;
using namespace lldb_private;
void
OptionValueArray::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
{
const Type array_element_type = ConvertTypeMaskToType (m_type_mask);
if (dump_mask & eDumpOptionType)
{
if ((GetType() == eTypeArray) && (m_type_mask != eTypeInvalid))
strm.Printf ("(%s of %ss)", GetTypeAsCString(), GetBuiltinTypeAsCString(array_element_type));
else
strm.Printf ("(%s)", GetTypeAsCString());
}
if (dump_mask & eDumpOptionValue)
{
if (dump_mask & eDumpOptionType)
strm.Printf (" =%s", (m_values.size() > 0) ? "\n" : "");
strm.IndentMore();
const uint32_t size = m_values.size();
for (uint32_t i = 0; i<size; ++i)
{
strm.Indent();
strm.Printf("[%u]: ", i);
const uint32_t extra_dump_options = m_raw_value_dump ? eDumpOptionRaw : 0;
switch (array_element_type)
{
default:
case eTypeArray:
case eTypeDictionary:
case eTypeProperties:
case eTypeFileSpecList:
case eTypePathMap:
m_values[i]->DumpValue(exe_ctx, strm, dump_mask | extra_dump_options);
break;
case eTypeBoolean:
case eTypeChar:
case eTypeEnum:
case eTypeFileSpec:
case eTypeFormat:
case eTypeSInt64:
case eTypeString:
case eTypeUInt64:
case eTypeUUID:
// No need to show the type for dictionaries of simple items
m_values[i]->DumpValue(exe_ctx, strm, (dump_mask & (~eDumpOptionType)) | extra_dump_options);
break;
}
if (i < (size - 1))
strm.EOL();
}
strm.IndentLess();
}
}
Error
OptionValueArray::SetValueFromCString (const char *value, VarSetOperationType op)
{
Args args(value);
return SetArgs (args, op);
}
lldb::OptionValueSP
OptionValueArray::GetSubValue (const ExecutionContext *exe_ctx,
const char *name,
bool will_modify,
Error &error) const
{
if (name && name[0] == '[')
{
const char *end_bracket = strchr (name+1, ']');
if (end_bracket)
{
const char *sub_value = nullptr;
if (end_bracket[1])
sub_value = end_bracket + 1;
std::string index_str (name+1, end_bracket);
const size_t array_count = m_values.size();
int32_t idx = Args::StringToSInt32(index_str.c_str(), INT32_MAX, 0, nullptr);
if (idx != INT32_MAX)
{
;
uint32_t new_idx = UINT32_MAX;
if (idx < 0)
{
// Access from the end of the array if the index is negative
new_idx = array_count - idx;
}
else
{
// Just a standard index
new_idx = idx;
}
if (new_idx < array_count)
{
if (m_values[new_idx])
{
if (sub_value)
return m_values[new_idx]->GetSubValue (exe_ctx, sub_value, will_modify, error);
else
return m_values[new_idx];
}
}
else
{
if (array_count == 0)
error.SetErrorStringWithFormat("index %i is not valid for an empty array", idx);
else if (idx > 0)
error.SetErrorStringWithFormat("index %i out of range, valid values are 0 through %" PRIu64, idx, (uint64_t)(array_count - 1));
else
error.SetErrorStringWithFormat("negative index %i out of range, valid values are -1 through -%" PRIu64, idx, (uint64_t)array_count);
}
}
}
}
else
{
error.SetErrorStringWithFormat("invalid value path '%s', %s values only support '[<index>]' subvalues where <index> is a positive or negative array index", name, GetTypeAsCString());
}
return OptionValueSP();
}
size_t
OptionValueArray::GetArgs (Args &args) const
{
const uint32_t size = m_values.size();
std::vector<const char *> argv;
for (uint32_t i = 0; i<size; ++i)
{
const char *string_value = m_values[i]->GetStringValue ();
if (string_value)
argv.push_back(string_value);
}
if (argv.empty())
args.Clear();
else
args.SetArguments(argv.size(), &argv[0]);
return args.GetArgumentCount();
}
Error
OptionValueArray::SetArgs (const Args &args, VarSetOperationType op)
{
Error error;
const size_t argc = args.GetArgumentCount();
switch (op)
{
case eVarSetOperationInvalid:
error.SetErrorString("unsupported operation");
break;
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
if (argc > 1)
{
uint32_t idx = Args::StringToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
const uint32_t count = GetSize();
if (idx > count)
{
error.SetErrorStringWithFormat("invalid insert array index %u, index must be 0 through %u", idx, count);
}
else
{
if (op == eVarSetOperationInsertAfter)
++idx;
for (size_t i=1; i<argc; ++i, ++idx)
{
lldb::OptionValueSP value_sp (CreateValueFromCStringForTypeMask (args.GetArgumentAtIndex(i),
m_type_mask,
error));
if (value_sp)
{
if (error.Fail())
return error;
if (idx >= m_values.size())
m_values.push_back(value_sp);
else
m_values.insert(m_values.begin() + idx, value_sp);
}
else
{
error.SetErrorString("array of complex types must subclass OptionValueArray");
return error;
}
}
}
}
else
{
error.SetErrorString("insert operation takes an array index followed by one or more values");
}
break;
case eVarSetOperationRemove:
if (argc > 0)
{
const uint32_t size = m_values.size();
std::vector<int> remove_indexes;
bool all_indexes_valid = true;
size_t i;
for (i=0; i<argc; ++i)
{
const size_t idx =
Args::StringToSInt32(args.GetArgumentAtIndex(i), INT32_MAX);
if (idx >= size)
{
all_indexes_valid = false;
break;
}
else
remove_indexes.push_back(idx);
}
if (all_indexes_valid)
{
size_t num_remove_indexes = remove_indexes.size();
if (num_remove_indexes)
{
// Sort and then erase in reverse so indexes are always valid
if (num_remove_indexes > 1)
{
std::sort(remove_indexes.begin(), remove_indexes.end());
for (std::vector<int>::const_reverse_iterator pos = remove_indexes.rbegin(), end = remove_indexes.rend(); pos != end; ++pos)
{
m_values.erase(m_values.begin() + *pos);
}
}
else
{
// Only one index
m_values.erase(m_values.begin() + remove_indexes.front());
}
}
}
else
{
error.SetErrorStringWithFormat("invalid array index '%s', aborting remove operation", args.GetArgumentAtIndex(i));
}
}
else
{
error.SetErrorString("remove operation takes one or more array indices");
}
break;
case eVarSetOperationClear:
Clear ();
break;
case eVarSetOperationReplace:
if (argc > 1)
{
uint32_t idx = Args::StringToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
const uint32_t count = GetSize();
if (idx > count)
{
error.SetErrorStringWithFormat("invalid replace array index %u, index must be 0 through %u", idx, count);
}
else
{
for (size_t i=1; i<argc; ++i, ++idx)
{
lldb::OptionValueSP value_sp (CreateValueFromCStringForTypeMask (args.GetArgumentAtIndex(i),
m_type_mask,
error));
if (value_sp)
{
if (error.Fail())
return error;
if (idx < count)
m_values[idx] = value_sp;
else
m_values.push_back(value_sp);
}
else
{
error.SetErrorString("array of complex types must subclass OptionValueArray");
return error;
}
}
}
}
else
{
error.SetErrorString("replace operation takes an array index followed by one or more values");
}
break;
case eVarSetOperationAssign:
m_values.clear();
// Fall through to append case
case eVarSetOperationAppend:
for (size_t i=0; i<argc; ++i)
{
lldb::OptionValueSP value_sp (CreateValueFromCStringForTypeMask (args.GetArgumentAtIndex(i),
m_type_mask,
error));
if (value_sp)
{
if (error.Fail())
return error;
m_value_was_set = true;
AppendValue(value_sp);
}
else
{
error.SetErrorString("array of complex types must subclass OptionValueArray");
}
}
break;
}
return error;
}
lldb::OptionValueSP
OptionValueArray::DeepCopy () const
{
OptionValueArray *copied_array = new OptionValueArray (m_type_mask, m_raw_value_dump);
lldb::OptionValueSP copied_value_sp(copied_array);
const uint32_t size = m_values.size();
for (uint32_t i = 0; i<size; ++i)
{
copied_array->AppendValue (m_values[i]->DeepCopy());
}
return copied_value_sp;
}