bool
SwiftREPL::PrintOneVariable (Debugger &debugger,
StreamFileSP &output_sp,
ValueObjectSP &valobj_sp,
ExpressionVariable *var)
{
bool is_computed = false;
if (var)
{
if (lldb::ValueObjectSP valobj_sp = var->GetValueObject())
{
Flags valobj_type_flags(valobj_sp->GetCompilerType().GetTypeInfo());
const bool is_swift(valobj_type_flags.AllSet(eTypeIsSwift));
if ((var->GetName().AsCString("anonymous")[0] != '$') &&
is_swift)
{
is_computed = llvm::cast<SwiftExpressionVariable>(var)->GetIsComputed();
}
else
{
return false;
}
}
else
{
return false;
}
}
const bool colorize_out = output_sp->GetFile().GetIsTerminalWithColors();
bool handled = false;
Format format = m_format_options.GetFormat();
bool treat_as_void = (format == eFormatVoid);
// if we are asked to suppress void, check if this is the empty tuple type, and if so suppress it
if (!treat_as_void && !debugger.GetNotifyVoid())
{
const CompilerType &expr_type(valobj_sp->GetCompilerType());
Flags expr_type_flags(expr_type.GetTypeInfo());
if (expr_type_flags.AllSet(eTypeIsSwift | eTypeIsTuple))
{
treat_as_void = (expr_type.GetNumFields() == 0);
}
}
if (!treat_as_void)
{
if (format != eFormatDefault)
valobj_sp->SetFormat (format);
DumpValueObjectOptions options;
options.SetUseDynamicType(lldb::eDynamicCanRunTarget);
options.SetMaximumPointerDepth( {DumpValueObjectOptions::PointerDepth::Mode::Formatters,1} );
options.SetUseSyntheticValue(true);
options.SetRevealEmptyAggregates(false);
options.SetHidePointerValue(true);
options.SetVariableFormatDisplayLanguage(lldb::eLanguageTypeSwift);
options.SetDeclPrintingHelper ([] (ConstString type_name,
ConstString var_name,
const DumpValueObjectOptions &options,
Stream &stream) -> bool {
if (!type_name || !var_name)
return false;
std::string type_name_str(type_name ? type_name.GetCString() : "");
for(auto iter = type_name_str.find(" *");
iter != std::string::npos;
iter = type_name_str.find(" *"))
{
type_name_str.erase(iter, 2);
}
if (!type_name_str.empty())
{
stream.Printf("%s: %s =", var_name.GetCString(), type_name_str.c_str());
return true;
}
return false;
});
if (is_computed)
{
StringSummaryFormat::Flags flags;
flags.SetDontShowChildren(true);
flags.SetDontShowValue(true);
flags.SetHideItemNames(true);
flags.SetShowMembersOneLiner(false);
flags.SetSkipPointers(false);
flags.SetSkipReferences(false);
options.SetHideValue(true);
options.SetShowSummary(true);
options.SetSummary(lldb::TypeSummaryImplSP(new StringSummaryFormat(flags,"<computed property>")));
}
if (colorize_out)
{
const char *color = isThrownError(valobj_sp) ?
ANSI_ESCAPE1(ANSI_FG_COLOR_RED) : ANSI_ESCAPE1(ANSI_FG_COLOR_CYAN);
fprintf(output_sp->GetFile().GetStream(), "%s", color);
}
valobj_sp->Dump(*output_sp, options);
if (colorize_out)
fprintf(output_sp->GetFile().GetStream(), ANSI_ESCAPE1(ANSI_CTRL_NORMAL));
handled = true;
}
return handled;
}
