bool
GoASTContext::DumpTypeValue(lldb::opaque_compiler_type_t type,
Stream *s,
lldb::Format format,
const DataExtractor &data,
lldb::offset_t byte_offset,
size_t byte_size,
uint32_t bitfield_bit_size,
uint32_t bitfield_bit_offset,
ExecutionContextScope *exe_scope,
bool is_base_class)
{
if (!type)
return false;
if (IsAggregateType(type))
{
return false;
}
else
{
GoType *t = static_cast<GoType *>(type);
if (t->IsTypedef())
{
CompilerType typedef_compiler_type = t->GetElementType();
if (format == eFormatDefault)
format = typedef_compiler_type.GetFormat();
uint64_t typedef_byte_size = typedef_compiler_type.GetByteSize(exe_scope);
return typedef_compiler_type.DumpTypeValue(
s,
format, // The format with which to display the element
data, // Data buffer containing all bytes for this type
byte_offset, // Offset into "data" where to grab value from
typedef_byte_size, // Size of this type in bytes
bitfield_bit_size, // Size in bits of a bitfield value, if zero don't treat as a bitfield
bitfield_bit_offset, // Offset in bits of a bitfield value if bitfield_bit_size != 0
exe_scope,
is_base_class);
}
uint32_t item_count = 1;
// A few formats, we might need to modify our size and count for depending
// on how we are trying to display the value...
switch (format)
{
default:
case eFormatBoolean:
case eFormatBinary:
case eFormatComplex:
case eFormatCString: // NULL terminated C strings
case eFormatDecimal:
case eFormatEnum:
case eFormatHex:
case eFormatHexUppercase:
case eFormatFloat:
case eFormatOctal:
case eFormatOSType:
case eFormatUnsigned:
case eFormatPointer:
case eFormatVectorOfChar:
case eFormatVectorOfSInt8:
case eFormatVectorOfUInt8:
case eFormatVectorOfSInt16:
case eFormatVectorOfUInt16:
case eFormatVectorOfSInt32:
case eFormatVectorOfUInt32:
case eFormatVectorOfSInt64:
case eFormatVectorOfUInt64:
case eFormatVectorOfFloat32:
case eFormatVectorOfFloat64:
case eFormatVectorOfUInt128:
break;
case eFormatChar:
case eFormatCharPrintable:
case eFormatCharArray:
case eFormatBytes:
case eFormatBytesWithASCII:
item_count = byte_size;
byte_size = 1;
break;
case eFormatUnicode16:
item_count = byte_size / 2;
byte_size = 2;
break;
case eFormatUnicode32:
item_count = byte_size / 4;
byte_size = 4;
break;
}
return data.Dump(s, byte_offset, format, byte_size, item_count, UINT32_MAX, LLDB_INVALID_ADDRESS,
bitfield_bit_size, bitfield_bit_offset, exe_scope);
}
return 0;
}
CompilerType
GoASTContext::GetChildCompilerTypeAtIndex(lldb::opaque_compiler_type_t type, ExecutionContext *exe_ctx, size_t idx, bool transparent_pointers,
bool omit_empty_base_classes, bool ignore_array_bounds, std::string &child_name,
uint32_t &child_byte_size, int32_t &child_byte_offset,
uint32_t &child_bitfield_bit_size, uint32_t &child_bitfield_bit_offset,
bool &child_is_base_class, bool &child_is_deref_of_parent, ValueObject *valobj, uint64_t &language_flags)
{
child_name.clear();
child_byte_size = 0;
child_byte_offset = 0;
child_bitfield_bit_size = 0;
child_bitfield_bit_offset = 0;
child_is_base_class = false;
child_is_deref_of_parent = false;
language_flags = 0;
if (!type || !GetCompleteType(type))
return CompilerType();
GoType *t = static_cast<GoType *>(type);
if (t->GetStruct())
{
uint64_t bit_offset;
CompilerType ret = GetFieldAtIndex(type, idx, child_name, &bit_offset, nullptr, nullptr);
child_byte_size = ret.GetByteSize(exe_ctx ? exe_ctx->GetBestExecutionContextScope() : nullptr);
child_byte_offset = bit_offset / 8;
return ret;
}
else if (t->GetGoKind() == GoType::KIND_PTR)
{
CompilerType pointee = t->GetElementType();
if (!pointee.IsValid() || pointee.IsVoidType())
return CompilerType();
if (transparent_pointers && pointee.IsAggregateType())
{
bool tmp_child_is_deref_of_parent = false;
return pointee.GetChildCompilerTypeAtIndex(exe_ctx, idx, transparent_pointers, omit_empty_base_classes,
ignore_array_bounds, child_name, child_byte_size, child_byte_offset,
child_bitfield_bit_size, child_bitfield_bit_offset,
child_is_base_class, tmp_child_is_deref_of_parent, valobj, language_flags);
}
else
{
child_is_deref_of_parent = true;
const char *parent_name = valobj ? valobj->GetName().GetCString() : NULL;
if (parent_name)
{
child_name.assign(1, '*');
child_name += parent_name;
}
// We have a pointer to an simple type
if (idx == 0 && pointee.GetCompleteType())
{
child_byte_size = pointee.GetByteSize(exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL);
child_byte_offset = 0;
return pointee;
}
}
}
else if (GoArray *a = t->GetArray())
{
if (ignore_array_bounds || idx < a->GetLength())
{
CompilerType element_type = a->GetElementType();
if (element_type.GetCompleteType())
{
char element_name[64];
::snprintf(element_name, sizeof(element_name), "[%zu]", idx);
child_name.assign(element_name);
child_byte_size = element_type.GetByteSize(exe_ctx ? exe_ctx->GetBestExecutionContextScope() : NULL);
child_byte_offset = (int32_t)idx * (int32_t)child_byte_size;
return element_type;
}
}
}
else if (t->IsTypedef())
{
return t->GetElementType().GetChildCompilerTypeAtIndex(
exe_ctx, idx, transparent_pointers, omit_empty_base_classes, ignore_array_bounds, child_name,
child_byte_size, child_byte_offset, child_bitfield_bit_size, child_bitfield_bit_offset, child_is_base_class,
child_is_deref_of_parent, valobj, language_flags);
}
return CompilerType();
}
