ecency-mobile/ios/Pods/boost-for-react-native/boost/dll/detail/demangling/itanium.hpp

327 lines
9.2 KiB
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// Copyright 2016 Klemens Morgenstern
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_DLL_DETAIL_DEMANGLING_ITANIUM_HPP_
#define BOOST_DLL_DETAIL_DEMANGLING_ITANIUM_HPP_
#include <boost/dll/detail/demangling/mangled_storage_base.hpp>
#include <iterator>
#include <algorithm>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/is_volatile.hpp>
#include <boost/type_traits/is_rvalue_reference.hpp>
#include <boost/type_traits/is_lvalue_reference.hpp>
#include <boost/type_traits/function_traits.hpp>
namespace boost { namespace dll { namespace detail {
class mangled_storage_impl : public mangled_storage_base
{
template<typename T>
struct dummy {};
template<typename Return, typename ...Args>
std::vector<std::string> get_func_params(dummy<Return(Args...)>) const
{
return {get_name<Args>()...};
}
template<typename Return, typename ...Args>
std::string get_return_type(dummy<Return(Args...)>) const
{
return get_name<Return>();
}
public:
using mangled_storage_base::mangled_storage_base;
struct ctor_sym
{
std::string C1;
std::string C2;
std::string C3;
bool empty() const
{
return C1.empty() && C2.empty() && C3.empty();
}
};
struct dtor_sym
{
std::string D0;
std::string D1;
std::string D2;
bool empty() const
{
return D0.empty() && D1.empty() && D2.empty();
}
};
template<typename T>
std::string get_variable(const std::string &name) const;
template<typename Func>
std::string get_function(const std::string &name) const;
template<typename Class, typename Func>
std::string get_mem_fn(const std::string &name) const;
template<typename Signature>
ctor_sym get_constructor() const;
template<typename Class>
dtor_sym get_destructor() const;
template<typename T>
std::string get_type_info() const;
template<typename T>
std::vector<std::string> get_related() const;
};
namespace parser
{
inline std::string const_rule_impl(true_type ) {return " const";}
inline std::string const_rule_impl(false_type) {return "";}
template<typename T>
std::string const_rule() {using t = is_const<typename remove_reference<T>::type>; return const_rule_impl(t());}
inline std::string volatile_rule_impl(true_type ) {return " volatile";}
inline std::string volatile_rule_impl(false_type) {return "";}
template<typename T>
std::string volatile_rule() {using t = is_volatile<typename remove_reference<T>::type>; return volatile_rule_impl(t());}
inline std::string reference_rule_impl(false_type, false_type) {return "";}
inline std::string reference_rule_impl(true_type, false_type) {return "&" ;}
inline std::string reference_rule_impl(false_type, true_type ) {return "&&";}
template<typename T>
std::string reference_rule() {using t_l = is_lvalue_reference<T>; using t_r = is_rvalue_reference<T>; return reference_rule_impl(t_l(), t_r());}
//it takes a string, because it may be overloaded.
template<typename T>
std::string type_rule(const std::string & type_name)
{
using namespace std;
return type_name +
const_rule<T>() +
volatile_rule<T>() +
reference_rule<T>();
}
template<typename Return, typename Arg>
std::string arg_list(const mangled_storage_impl & ms, Return (*)(Arg))
{
using namespace std;
auto str = ms.get_name<Arg>();
return type_rule<Arg>(str);
}
template<typename Return, typename First, typename Second, typename ...Args>
std::string arg_list(const mangled_storage_impl & ms, Return (*)(First, Second, Args...))
{
auto st = ms.get_name<First>();
using next_type = Return (*)(Second, Args...);
return type_rule<First>(st) + ", " + arg_list(ms, next_type());
}
template<typename Return>
std::string arg_list(const mangled_storage_impl &, Return (*)())
{
return "";
}
}
template<typename T> std::string mangled_storage_impl::get_variable(const std::string &name) const
{
auto found = std::find_if(storage_.begin(), storage_.end(),
[&](const entry& e) {return e.demangled == name;});
if (found != storage_.end())
return found->mangled;
else
return "";
}
template<typename Func> std::string mangled_storage_impl::get_function(const std::string &name) const
{
using func_type = Func*;
auto matcher = name + '(' + parser::arg_list(*this, func_type()) + ')';
auto found = std::find_if(storage_.begin(), storage_.end(), [&](const entry& e) {return e.demangled == matcher;});
if (found != storage_.end())
return found->mangled;
else
return "";
}
template<typename Class, typename Func>
std::string mangled_storage_impl::get_mem_fn(const std::string &name) const
{
using namespace parser;
using func_type = Func*;
std::string cname = get_name<Class>();
auto matcher = cname + "::" + name +
'(' + parser::arg_list(*this, func_type()) + ')'
+ const_rule<Class>() + volatile_rule<Class>();
auto found = std::find_if(storage_.begin(), storage_.end(), [&](const entry& e) {return e.demangled == matcher;});
if (found != storage_.end())
return found->mangled;
else
return "";
}
template<typename Signature>
auto mangled_storage_impl::get_constructor() const -> ctor_sym
{
using namespace parser;
using func_type = Signature*;
std::string ctor_name; // = class_name + "::" + name;
std::string unscoped_cname; //the unscoped class-name
{
auto class_name = get_return_type(dummy<Signature>());
auto pos = class_name.rfind("::");
if (pos == std::string::npos)
{
ctor_name = class_name+ "::" +class_name ;
unscoped_cname = class_name;
}
else
{
unscoped_cname = class_name.substr(pos+2) ;
ctor_name = class_name+ "::" + unscoped_cname;
}
}
auto matcher =
ctor_name + '(' + parser::arg_list(*this, func_type()) + ')';
std::vector<entry> findings;
std::copy_if(storage_.begin(), storage_.end(),
std::back_inserter(findings), [&](const entry& e) {return e.demangled == matcher;});
ctor_sym ct;
for (auto & e : findings)
{
if (e.mangled.find(unscoped_cname +"C1E") != std::string::npos)
ct.C1 = e.mangled;
else if (e.mangled.find(unscoped_cname +"C2E") != std::string::npos)
ct.C2 = e.mangled;
else if (e.mangled.find(unscoped_cname +"C3E") != std::string::npos)
ct.C3 = e.mangled;
}
return ct;
}
template<typename Class>
auto mangled_storage_impl::get_destructor() const -> dtor_sym
{
std::string dtor_name; // = class_name + "::" + name;
std::string unscoped_cname; //the unscoped class-name
{
auto class_name = get_name<Class>();
auto pos = class_name.rfind("::");
if (pos == std::string::npos)
{
dtor_name = class_name+ "::~" + class_name + "()";
unscoped_cname = class_name;
}
else
{
unscoped_cname = class_name.substr(pos+2) ;
dtor_name = class_name+ "::~" + unscoped_cname + "()";
}
}
auto d0 = unscoped_cname + "D0Ev";
auto d1 = unscoped_cname + "D1Ev";
auto d2 = unscoped_cname + "D2Ev";
dtor_sym dt;
//this is so simple, i don#t need a predicate
for (auto & s : storage_)
{
//alright, name fits
if (s.demangled == dtor_name)
{
if (s.mangled.find(d0) != std::string::npos)
dt.D0 = s.mangled;
else if (s.mangled.find(d1) != std::string::npos)
dt.D1 = s.mangled;
else if (s.mangled.find(d2) != std::string::npos)
dt.D2 = s.mangled;
}
}
return dt;
}
template<typename T>
std::string mangled_storage_impl::get_type_info() const
{
std::string id = "typeinfo for " + get_name<T>();
auto predicate = [&](const mangled_storage_base::entry & e)
{
return e.demangled == id;
};
auto found = std::find_if(storage_.begin(), storage_.end(), predicate);
if (found != storage_.end())
return found->mangled;
else
return "";
}
template<typename T>
std::vector<std::string> mangled_storage_impl::get_related() const
{
std::vector<std::string> ret;
auto name = get_name<T>();
for (auto & c : storage_)
{
if (c.demangled.find(name) != std::string::npos)
ret.push_back(c.demangled);
}
return ret;
}
}}}
#endif /* BOOST_DLL_DETAIL_DEMANGLING_ITANIUM_HPP_ */