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//===-- TypeSynthetic.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// 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/DataFormatters/TypeSynthetic.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/ScriptInterpreter.h"
#include "lldb/Symbol/ClangASTType.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
void
TypeFilterImpl::AddExpressionPath (const std::string& path)
{
bool need_add_dot = true;
if (path[0] == '.' ||
(path[0] == '-' && path[1] == '>') ||
path[0] == '[')
need_add_dot = false;
// add a '.' symbol to help forgetful users
if(!need_add_dot)
m_expression_paths.push_back(path);
else
m_expression_paths.push_back(std::string(".") + path);
}
bool
TypeFilterImpl::SetExpressionPathAtIndex (size_t i, const std::string& path)
{
if (i >= GetCount())
return false;
bool need_add_dot = true;
if (path[0] == '.' ||
(path[0] == '-' && path[1] == '>') ||
path[0] == '[')
need_add_dot = false;
// add a '.' symbol to help forgetful users
if(!need_add_dot)
m_expression_paths[i] = path;
else
m_expression_paths[i] = std::string(".") + path;
return true;
}
size_t
TypeFilterImpl::FrontEnd::GetIndexOfChildWithName (const ConstString &name)
{
const char* name_cstr = name.GetCString();
if (name_cstr)
{
for (size_t i = 0; i < filter->GetCount(); i++)
{
const char* expr_cstr = filter->GetExpressionPathAtIndex(i);
if (expr_cstr)
{
if (*expr_cstr == '.')
expr_cstr++;
else if (*expr_cstr == '-' && *(expr_cstr+1) == '>')
expr_cstr += 2;
}
if (expr_cstr)
{
if (!::strcmp(name_cstr, expr_cstr))
return i;
}
}
}
return UINT32_MAX;
}
std::string
TypeFilterImpl::GetDescription()
{
StreamString sstr;
sstr.Printf("%s%s%s {\n",
Cascades() ? "" : " (not cascading)",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "");
for (size_t i = 0; i < GetCount(); i++)
{
sstr.Printf(" %s\n",
GetExpressionPathAtIndex(i));
}
sstr.Printf("}");
return sstr.GetString();
}
std::string
CXXSyntheticChildren::GetDescription()
{
StreamString sstr;
sstr.Printf("%s%s%s Generator at %p - %s",
Cascades() ? "" : " (not cascading)",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
reinterpret_cast<void*>(reinterpret_cast<intptr_t>(m_create_callback)),
m_description.c_str());
return sstr.GetString();
}
lldb::ValueObjectSP
SyntheticChildrenFrontEnd::CreateValueObjectFromExpression (const char* name,
const char* expression,
const ExecutionContext& exe_ctx)
{
ValueObjectSP valobj_sp(ValueObject::CreateValueObjectFromExpression(name, expression, exe_ctx));
if (valobj_sp)
valobj_sp->SetSyntheticChildrenGenerated(true);
return valobj_sp;
}
lldb::ValueObjectSP
SyntheticChildrenFrontEnd::CreateValueObjectFromAddress (const char* name,
uint64_t address,
const ExecutionContext& exe_ctx,
ClangASTType type)
{
ValueObjectSP valobj_sp(ValueObject::CreateValueObjectFromAddress(name, address, exe_ctx, type));
if (valobj_sp)
valobj_sp->SetSyntheticChildrenGenerated(true);
return valobj_sp;
}
lldb::ValueObjectSP
SyntheticChildrenFrontEnd::CreateValueObjectFromData (const char* name,
const DataExtractor& data,
const ExecutionContext& exe_ctx,
ClangASTType type)
{
ValueObjectSP valobj_sp(ValueObject::CreateValueObjectFromData(name, data, exe_ctx, type));
if (valobj_sp)
valobj_sp->SetSyntheticChildrenGenerated(true);
return valobj_sp;
}
#ifndef LLDB_DISABLE_PYTHON
ScriptedSyntheticChildren::FrontEnd::FrontEnd(std::string pclass, ValueObject &backend) :
SyntheticChildrenFrontEnd(backend),
m_python_class(pclass),
m_wrapper_sp(),
m_interpreter(NULL)
{
if (backend == LLDB_INVALID_UID)
return;
TargetSP target_sp = backend.GetTargetSP();
if (!target_sp)
return;
m_interpreter = target_sp->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
if (m_interpreter != NULL)
m_wrapper_sp = m_interpreter->CreateSyntheticScriptedProvider(m_python_class.c_str(), backend.GetSP());
}
ScriptedSyntheticChildren::FrontEnd::~FrontEnd()
{
}
lldb::ValueObjectSP
ScriptedSyntheticChildren::FrontEnd::GetChildAtIndex (size_t idx)
{
if (!m_wrapper_sp || !m_interpreter)
return lldb::ValueObjectSP();
return m_interpreter->GetChildAtIndex(m_wrapper_sp, idx);
}
bool
ScriptedSyntheticChildren::FrontEnd::IsValid ()
{
return (m_wrapper_sp && m_wrapper_sp->IsValid() && m_interpreter);
}
size_t
ScriptedSyntheticChildren::FrontEnd::CalculateNumChildren ()
{
if (!m_wrapper_sp || m_interpreter == NULL)
return 0;
return m_interpreter->CalculateNumChildren(m_wrapper_sp);
}
bool
ScriptedSyntheticChildren::FrontEnd::Update ()
{
if (!m_wrapper_sp || m_interpreter == NULL)
return false;
return m_interpreter->UpdateSynthProviderInstance(m_wrapper_sp);
}
bool
ScriptedSyntheticChildren::FrontEnd::MightHaveChildren ()
{
if (!m_wrapper_sp || m_interpreter == NULL)
return false;
return m_interpreter->MightHaveChildrenSynthProviderInstance(m_wrapper_sp);
}
size_t
ScriptedSyntheticChildren::FrontEnd::GetIndexOfChildWithName (const ConstString &name)
{
if (!m_wrapper_sp || m_interpreter == NULL)
return UINT32_MAX;
return m_interpreter->GetIndexOfChildWithName(m_wrapper_sp, name.GetCString());
}
lldb::ValueObjectSP
ScriptedSyntheticChildren::FrontEnd::GetSyntheticValue ()
{
if (!m_wrapper_sp || m_interpreter == NULL)
return nullptr;
return m_interpreter->GetSyntheticValue(m_wrapper_sp);
}
std::string
ScriptedSyntheticChildren::GetDescription()
{
StreamString sstr;
sstr.Printf("%s%s%s Python class %s",
Cascades() ? "" : " (not cascading)",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
m_python_class.c_str());
return sstr.GetString();
}
#endif // #ifndef LLDB_DISABLE_PYTHON
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