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//===-- ObjCLanguage.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ObjCLanguage_h_
#define liblldb_ObjCLanguage_h_
// C Includes
// C++ Includes
#include <cstring>
#include <vector>
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Target/Language.h"
namespace lldb_private {
class ObjCLanguage :
public Language
{
public:
class MethodName
{
public:
enum Type
{
eTypeUnspecified,
eTypeClassMethod,
eTypeInstanceMethod
};
MethodName () :
m_full(),
m_class(),
m_category(),
m_selector(),
m_type (eTypeUnspecified),
m_category_is_valid (false)
{
}
MethodName (const char *name, bool strict) :
m_full(),
m_class(),
m_category(),
m_selector(),
m_type (eTypeUnspecified),
m_category_is_valid (false)
{
SetName (name, strict);
}
void
Clear();
bool
IsValid (bool strict) const
{
// If "strict" is true, the name must have everything specified including
// the leading "+" or "-" on the method name
if (strict && m_type == eTypeUnspecified)
return false;
// Other than that, m_full will only be filled in if the objective C
// name is valid.
return (bool)m_full;
}
bool
HasCategory()
{
return !GetCategory().IsEmpty();
}
Type
GetType () const
{
return m_type;
}
const ConstString &
GetFullName () const
{
return m_full;
}
ConstString
GetFullNameWithoutCategory (bool empty_if_no_category);
bool
SetName (const char *name, bool strict);
const ConstString &
GetClassName ();
const ConstString &
GetClassNameWithCategory ();
const ConstString &
GetCategory ();
const ConstString &
GetSelector ();
// Get all possible names for a method. Examples:
// If name is "+[NSString(my_additions) myStringWithCString:]"
// names[0] => "+[NSString(my_additions) myStringWithCString:]"
// names[1] => "+[NSString myStringWithCString:]"
// If name is specified without the leading '+' or '-' like "[NSString(my_additions) myStringWithCString:]"
// names[0] => "+[NSString(my_additions) myStringWithCString:]"
// names[1] => "-[NSString(my_additions) myStringWithCString:]"
// names[2] => "+[NSString myStringWithCString:]"
// names[3] => "-[NSString myStringWithCString:]"
size_t
GetFullNames (std::vector<ConstString> &names, bool append);
protected:
ConstString m_full; // Full name: "+[NSString(my_additions) myStringWithCString:]"
ConstString m_class; // Class name: "NSString"
ConstString m_class_category; // Class with category: "NSString(my_additions)"
ConstString m_category; // Category: "my_additions"
ConstString m_selector; // Selector: "myStringWithCString:"
Type m_type;
bool m_category_is_valid;
};
ObjCLanguage() = default;
~ObjCLanguage() override = default;
lldb::LanguageType
GetLanguageType () const override
{
return lldb::eLanguageTypeObjC;
}
lldb::TypeCategoryImplSP
GetFormatters () override;
std::vector<ConstString>
GetPossibleFormattersMatches (ValueObject& valobj, lldb::DynamicValueType use_dynamic) override;
std::unique_ptr<TypeScavenger>
GetTypeScavenger () override;
bool
GetFormatterPrefixSuffix (ValueObject& valobj, ConstString type_hint,
std::string& prefix, std::string& suffix) override;
bool
IsNilReference (ValueObject& valobj) override;
//------------------------------------------------------------------
// Static Functions
//------------------------------------------------------------------
static void
Initialize();
static void
Terminate();
static lldb_private::Language *
CreateInstance (lldb::LanguageType language);
static lldb_private::ConstString
GetPluginNameStatic();
static bool
IsPossibleObjCMethodName (const char *name)
{
if (!name)
return false;
bool starts_right = (name[0] == '+' || name[0] == '-') && name[1] == '[';
bool ends_right = (name[strlen(name) - 1] == ']');
return (starts_right && ends_right);
}
static bool
IsPossibleObjCSelector (const char *name)
{
if (!name)
return false;
if (strchr(name, ':') == nullptr)
return true;
else if (name[strlen(name) - 1] == ':')
return true;
else
return false;
}
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
ConstString
GetPluginName() override;
uint32_t
GetPluginVersion() override;
};
} // namespace lldb_private
#endif // liblldb_ObjCLanguage_h_
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