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//===-- TypeSummary.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/lldb-python.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-public.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Core/Timer.h"
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/DataFormatters/ValueObjectPrinter.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Symbol/ClangASTType.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Host/Host.h"
using namespace lldb;
using namespace lldb_private;
TypeSummaryOptions::TypeSummaryOptions () :
m_lang(eLanguageTypeUnknown),
m_capping(eTypeSummaryCapped)
{}
TypeSummaryOptions::TypeSummaryOptions (const TypeSummaryOptions& rhs) :
m_lang(rhs.m_lang),
m_capping(rhs.m_capping)
{}
TypeSummaryOptions&
TypeSummaryOptions::operator = (const TypeSummaryOptions& rhs)
{
m_lang = rhs.m_lang;
m_capping = rhs.m_capping;
return *this;
}
lldb::LanguageType
TypeSummaryOptions::GetLanguage () const
{
return m_lang;
}
lldb::TypeSummaryCapping
TypeSummaryOptions::GetCapping () const
{
return m_capping;
}
TypeSummaryOptions&
TypeSummaryOptions::SetLanguage (lldb::LanguageType lang)
{
m_lang = lang;
return *this;
}
TypeSummaryOptions&
TypeSummaryOptions::SetCapping (lldb::TypeSummaryCapping cap)
{
m_capping = cap;
return *this;
}
TypeSummaryImpl::TypeSummaryImpl (const TypeSummaryImpl::Flags& flags) :
m_flags(flags)
{
}
StringSummaryFormat::StringSummaryFormat (const TypeSummaryImpl::Flags& flags,
const char *format_cstr) :
TypeSummaryImpl(flags),
m_format_str()
{
SetSummaryString (format_cstr);
}
void
StringSummaryFormat::SetSummaryString (const char* format_cstr)
{
m_format.Clear();
if (format_cstr && format_cstr[0])
{
m_format_str = format_cstr;
m_error = FormatEntity::Parse(format_cstr, m_format);
}
else
{
m_format_str.clear();
m_error.Clear();
}
}
bool
StringSummaryFormat::FormatObject (ValueObject *valobj,
std::string& retval,
const TypeSummaryOptions& options)
{
if (!valobj)
{
retval.assign("NULL ValueObject");
return false;
}
StreamString s;
ExecutionContext exe_ctx (valobj->GetExecutionContextRef());
SymbolContext sc;
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame)
sc = frame->GetSymbolContext(lldb::eSymbolContextEverything);
if (IsOneLiner())
{
ValueObjectPrinter printer(valobj,&s,DumpValueObjectOptions());
printer.PrintChildrenOneLiner(HideNames(valobj));
retval.assign(s.GetData());
return true;
}
else
{
if (FormatEntity::Format(m_format, s, &sc, &exe_ctx, &sc.line_entry.range.GetBaseAddress(), valobj, false, false))
{
retval.assign(s.GetString());
return true;
}
else
{
retval.assign("error: summary string parsing error");
return false;
}
}
}
std::string
StringSummaryFormat::GetDescription ()
{
StreamString sstr;
sstr.Printf ("`%s`%s%s%s%s%s%s%s%s%s",
m_format_str.c_str(),
m_error.Fail() ? " error: " : "",
m_error.Fail() ? m_error.AsCString() : "",
Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "");
return sstr.GetString();
}
CXXFunctionSummaryFormat::CXXFunctionSummaryFormat (const TypeSummaryImpl::Flags& flags,
Callback impl,
const char* description) :
TypeSummaryImpl(flags),
m_impl(impl),
m_description(description ? description : "")
{
}
bool
CXXFunctionSummaryFormat::FormatObject (ValueObject *valobj,
std::string& dest,
const TypeSummaryOptions& options)
{
dest.clear();
StreamString stream;
if (!m_impl || m_impl(*valobj,stream,options) == false)
return false;
dest.assign(stream.GetData());
return true;
}
std::string
CXXFunctionSummaryFormat::GetDescription ()
{
StreamString sstr;
sstr.Printf ("`%s (%p) `%s%s%s%s%s%s%s", m_description.c_str(),
static_cast<void*>(&m_impl),
Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "");
return sstr.GetString();
}
#ifndef LLDB_DISABLE_PYTHON
ScriptSummaryFormat::ScriptSummaryFormat (const TypeSummaryImpl::Flags& flags,
const char * function_name,
const char * python_script) :
TypeSummaryImpl(flags),
m_function_name(),
m_python_script(),
m_script_function_sp()
{
if (function_name)
m_function_name.assign(function_name);
if (python_script)
m_python_script.assign(python_script);
}
bool
ScriptSummaryFormat::FormatObject (ValueObject *valobj,
std::string& retval,
const TypeSummaryOptions& options)
{
Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
if (!valobj)
return false;
Host::SetCrashDescriptionWithFormat("[Python summary] Name: %s - Function: %s",
valobj->GetName().AsCString("unknown"),
m_function_name.c_str());
TargetSP target_sp(valobj->GetTargetSP());
if (!target_sp)
{
retval.assign("error: no target");
return false;
}
ScriptInterpreter *script_interpreter = target_sp->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
if (!script_interpreter)
{
retval.assign("error: no ScriptInterpreter");
return false;
}
return script_interpreter->GetScriptedSummary(m_function_name.c_str(),
valobj->GetSP(),
m_script_function_sp,
options,
retval);
}
std::string
ScriptSummaryFormat::GetDescription ()
{
StreamString sstr;
sstr.Printf ("%s%s%s%s%s%s%s\n%s", Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "",
m_python_script.c_str());
return sstr.GetString();
}
#endif // #ifndef LLDB_DISABLE_PYTHON
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