source/Target/ObjCLanguageRuntime.cpp

//===-- CPPLanguageRuntime.cpp -------------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/Type.h"

#include "lldb/Core/Log.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Symbol/Type.h"
#include "lldb/Target/ObjCLanguageRuntime.h"

using namespace lldb;
using namespace lldb_private;

//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
ObjCLanguageRuntime::~ObjCLanguageRuntime()
{
}

ObjCLanguageRuntime::ObjCLanguageRuntime (Process *process) :
    LanguageRuntime (process)
{

}

void
ObjCLanguageRuntime::AddToMethodCache (lldb::addr_t class_addr, lldb::addr_t selector, lldb::addr_t impl_addr)
{
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
    if (log)
    {
        log->Printf ("Caching: class 0x%llx selector 0x%llx implementation 0x%llx.", class_addr, selector, impl_addr);
    }
    m_impl_cache.insert (std::pair<ClassAndSel,lldb::addr_t> (ClassAndSel(class_addr, selector), impl_addr));
}

lldb::addr_t
ObjCLanguageRuntime::LookupInMethodCache (lldb::addr_t class_addr, lldb::addr_t selector)
{
    MsgImplMap::iterator pos, end = m_impl_cache.end();
    pos = m_impl_cache.find (ClassAndSel(class_addr, selector));
    if (pos != end)
        return (*pos).second;
    return LLDB_INVALID_ADDRESS;
}

void
ObjCLanguageRuntime::AddToClassNameCache (lldb::addr_t class_addr, const char *name, lldb::TypeSP type_sp)
{
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
    if (log)
    {
        log->Printf ("Caching: class 0x%llx name: %s.", class_addr, name);
    }
    
    TypeAndOrName class_type_or_name;
    
    if (type_sp != NULL)
        class_type_or_name.SetTypeSP (type_sp);
    else if (name && *name != '\0')
        class_type_or_name.SetName (name);
    else 
        return;
    m_class_name_cache.insert (std::pair<lldb::addr_t,TypeAndOrName> (class_addr, class_type_or_name));
}

void
ObjCLanguageRuntime::AddToClassNameCache (lldb::addr_t class_addr, const TypeAndOrName &class_type_or_name)
{
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
    if (log)
    {
        log->Printf ("Caching: class 0x%llx name: %s.", class_addr, class_type_or_name.GetName().AsCString());
    }
    
    m_class_name_cache.insert (std::pair<lldb::addr_t,TypeAndOrName> (class_addr, class_type_or_name));
}

TypeAndOrName
ObjCLanguageRuntime::LookupInClassNameCache (lldb::addr_t class_addr)
{
    ClassNameMap::iterator pos, end = m_class_name_cache.end();
    pos = m_class_name_cache.find (class_addr);
    if (pos != end)
        return (*pos).second;
    return TypeAndOrName ();
}

size_t
ObjCLanguageRuntime::GetByteOffsetForIvar (ClangASTType &parent_qual_type, const char *ivar_name)
{
    return LLDB_INVALID_IVAR_OFFSET;
}