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//===-- 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;
}
bool
ObjCLanguageRuntime::ParseMethodName (const char *name,
ConstString *class_name,
ConstString *selector_name,
ConstString *name_sans_category)
{
if (class_name) { class_name->Clear(); }
if (selector_name) { selector_name->Clear(); }
if (name_sans_category) { name_sans_category->Clear(); }
if (IsPossibleObjCMethodName (name))
{
int name_len = strlen (name);
// Objective C methods must have at least:
// "-[" or "+[" prefix
// One character for a class name
// One character for the space between the class name
// One character for the method name
// "]" suffix
if (name_len >= 6 && name[name_len - 1] == ']')
{
const char *selector_name_ptr;
selector_name_ptr = strchr (name, ' ');
if (selector_name_ptr)
{
if (class_name)
class_name->SetCStringWithLength (name + 2, selector_name_ptr - name - 2);
// Skip the space
++selector_name_ptr;
// Extract the objective C basename and add it to the
// accelerator tables
size_t selector_name_len = name_len - (selector_name_ptr - name) - 1;
if (selector_name)
selector_name->SetCStringWithLength (selector_name_ptr, selector_name_len);
// Also see if this is a "category" on our class. If so strip off the category name,
// and add the class name without it to the basename table.
if (name_sans_category)
{
const char *first_paren = (char *) memchr (name, '(', selector_name_ptr - name);
if (first_paren)
{
const char *second_paren = (char *) memchr (first_paren, ')', selector_name_ptr - first_paren);
if (second_paren)
{
std::string buffer (name, first_paren - name);
buffer.append (second_paren + 1);
name_sans_category->SetCString (buffer.c_str());
}
}
}
}
return true;
}
return false;
}
else
return false;
}
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