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message_packet_cpp03_generator.h
/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2026 John Wellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
******************************************************************************/
//***************************************************************************
// THIS FILE HAS BEEN AUTO GENERATED. DO NOT EDIT THIS FILE.
//***************************************************************************
/*[[[cog
import cog
################################################
def generate_accepts_return(n):
cog.out(" return")
for i in range(1, n + 1):
cog.out(" T%d::ID == id" % i)
if i < n:
cog.out(" ||")
if i % 4 == 0:
cog.outl("")
cog.out(" ")
cog.outl(";")
################################################
def generate_accepts_return_compile_time(n):
cog.out(" return")
for i in range(1, n + 1):
cog.out(" T%d::ID == Id" % i)
if i < n:
cog.out(" ||")
if i % 4 == 0:
cog.outl("")
cog.out(" ")
cog.outl(";")
################################################
def generate_accepts_return_compile_time_TMessage(n):
cog.out(" return")
for i in range(1, n + 1):
cog.out(" T%d::ID == TMessage::ID" % i)
if i < n:
cog.out(" ||")
if i % 4 == 0:
cog.outl("")
cog.out(" ")
cog.outl(";")
################################################
def generate_static_assert_cpp03(n):
cog.outl(" // Not etl::message_packet, not etl::imessage and in typelist.")
cog.out(" static const bool Enabled = (!etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::message_packet<")
for i in range(1, n):
cog.out("T%d, " % i)
cog.outl("T%s> >::value &&" % n)
cog.outl(" !etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::imessage>::value &&")
cog.out(" etl::is_one_of<typename etl::remove_cvref<TMessage>::type,")
for i in range(1, n):
cog.out("T%d, " % i)
cog.outl("T%s>::value);" % n)
cog.outl("")
cog.outl(" ETL_STATIC_ASSERT(Enabled, \"Message not in packet type list\");")
################################################
def generate_static_assert_cpp11(n):
cog.outl(" // Not etl::message_packet, not etl::imessage and in typelist.")
cog.out(" static constexpr bool Enabled = (!etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::message_packet<")
for i in range(1, n):
cog.out("T%d, " % i)
cog.outl("T%s> >::value &&" % n)
cog.outl(" !etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::imessage>::value &&")
cog.out(" etl::is_one_of<typename etl::remove_cvref<TMessage>::type,")
for i in range(1, n):
cog.out("T%d, " % i)
cog.outl("T%s>::value);" % n)
cog.outl("")
cog.outl(" ETL_STATIC_ASSERT(Enabled, \"Message not in packet type list\");")
################################################
# The first definition for all of the messages.
################################################
cog.outl("//***************************************************************************")
cog.outl("// The definition for all %s message types." % Handlers)
cog.outl("//***************************************************************************")
cog.out("template <")
for n in range(1, int(Handlers)):
cog.out("typename T%s = void, " % n)
if n % 4 == 0:
cog.outl("")
cog.out(" ")
cog.outl("typename T%s = void>" % int(Handlers))
cog.outl("class message_packet")
cog.outl("{")
cog.outl("public:")
cog.outl("")
cog.outl("#if ETL_USING_CPP11")
cog.out(" using message_types = etl::type_list<")
for n in range(1, int(Handlers)):
cog.out("T%s, " % n)
cog.outl("T%s>;" % int(Handlers))
cog.outl("#endif")
cog.outl("")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" ETL_CONSTEXPR message_packet() ETL_NOEXCEPT")
cog.outl(" : valid(false)")
cog.outl(" {")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" explicit message_packet(const etl::imessage& msg)")
cog.outl(" {")
cog.outl(" if (accepts(msg))")
cog.outl(" {")
cog.outl(" add_new_message(msg);")
cog.outl(" valid = true;")
cog.outl(" }")
cog.outl(" else")
cog.outl(" {")
cog.outl(" valid = false;")
cog.outl(" }")
cog.outl("")
cog.outl(" ETL_ASSERT(valid, ETL_ERROR(unhandled_message_exception));")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" explicit message_packet(etl::imessage&& msg)")
cog.outl(" {")
cog.outl(" if (accepts(msg))")
cog.outl(" {")
cog.outl(" add_new_message(etl::move(msg));")
cog.outl(" valid = true;")
cog.outl(" }")
cog.outl(" else")
cog.outl(" {")
cog.outl(" valid = false;")
cog.outl(" }")
cog.outl("")
cog.outl(" ETL_ASSERT(valid, ETL_ERROR(unhandled_message_exception));")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION) && !defined(ETL_COMPILER_GREEN_HILLS)")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.out(" template <typename TMessage, typename = typename etl::enable_if<!etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::message_packet<")
for n in range(1, int(Handlers)):
cog.out("T%s, " % n)
cog.outl("T%s> >::value &&" % int(Handlers))
cog.outl(" !etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::imessage>::value &&")
cog.out(" !etl::is_one_of<typename etl::remove_cvref<TMessage>::type, ")
for n in range(1, int(Handlers)):
cog.out("T%s, " % n)
cog.outl("T%s>::value, int>::type>" % int(Handlers))
cog.outl(" explicit message_packet(TMessage&& /*msg*/)")
cog.outl(" : valid(true)")
cog.outl(" {")
generate_static_assert_cpp11(int(Handlers))
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#else")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" template <typename TMessage>")
cog.out(" explicit message_packet(const TMessage& /*msg*/, typename etl::enable_if<!etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::message_packet<")
for n in range(1, int(Handlers)):
cog.out("T%s, " % n)
cog.outl("T%s> >::value &&" % int(Handlers))
cog.outl(" !etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::imessage>::value &&")
cog.out(" !etl::is_one_of<typename etl::remove_cvref<TMessage>::type, ")
for n in range(1, int(Handlers)):
cog.out("T%s, " % n)
cog.outl("T%s>::value, int>::type = 0)" % int(Handlers))
cog.outl(" : valid(true)")
cog.outl(" {")
generate_static_assert_cpp03(int(Handlers))
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet(const message_packet& other)")
cog.outl(" : valid(other.is_valid())")
cog.outl(" {")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(other.get());")
cog.outl(" }")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet(message_packet&& other)")
cog.outl(" : valid(other.is_valid())")
cog.outl(" {")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(etl::move(other.get()));")
cog.outl(" }")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet& operator =(const message_packet& rhs)")
cog.outl(" {")
cog.outl(" delete_current_message();")
cog.outl(" valid = rhs.is_valid();")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(rhs.get());")
cog.outl(" }")
cog.outl("")
cog.outl(" return *this;")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet& operator =(message_packet&& rhs)")
cog.outl(" {")
cog.outl(" delete_current_message();")
cog.outl(" valid = rhs.is_valid();")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(etl::move(rhs.get()));")
cog.outl(" }")
cog.outl("")
cog.outl(" return *this;")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" ~message_packet()")
cog.outl(" {")
cog.outl(" delete_current_message();")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" etl::imessage& get() ETL_NOEXCEPT")
cog.outl(" {")
cog.outl(" return *static_cast<etl::imessage*>(data);")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" const etl::imessage& get() const ETL_NOEXCEPT")
cog.outl(" {")
cog.outl(" return *static_cast<const etl::imessage*>(data);")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" bool is_valid() const")
cog.outl(" {")
cog.outl(" return valid;")
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" static ETL_CONSTEXPR bool accepts(etl::message_id_t id)")
cog.outl(" {")
generate_accepts_return(int(Handlers))
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" static ETL_CONSTEXPR bool accepts(const etl::imessage& msg)")
cog.outl(" {")
cog.outl(" return accepts(msg.get_message_id());")
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" template <etl::message_id_t Id>")
cog.outl(" static ETL_CONSTEXPR bool accepts()")
cog.outl(" {")
generate_accepts_return_compile_time(int(Handlers))
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" template <typename TMessage>")
cog.outl(" static ETL_CONSTEXPR")
cog.outl(" typename etl::enable_if<etl::is_base_of<etl::imessage, TMessage>::value, bool>::type")
cog.outl(" accepts()")
cog.outl(" {")
generate_accepts_return_compile_time_TMessage(int(Handlers))
cog.outl(" }")
cog.outl("")
cog.outl(" enum")
cog.outl(" {")
cog.out(" SIZE = etl::largest<")
for n in range(1, int(Handlers)):
cog.out("T%d, " % n)
cog.outl("T%s>::size," % int(Handlers))
cog.out(" ALIGNMENT = etl::largest<")
for n in range(1, int(Handlers)):
cog.out("T%d, " % n)
cog.outl("T%s>::alignment" % int(Handlers))
cog.outl(" };")
cog.outl("")
cog.outl("private:")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" #include \"diagnostic_uninitialized_push.h\"")
cog.outl(" void delete_current_message()")
cog.outl(" {")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" etl::imessage* pmsg = static_cast<etl::imessage*>(data);")
cog.outl("")
cog.outl("#if ETL_HAS_VIRTUAL_MESSAGES")
cog.outl(" pmsg->~imessage();")
cog.outl("#else")
cog.outl(" delete_message(pmsg);")
cog.outl("#endif")
cog.outl(" }")
cog.outl(" }")
cog.outl(" #include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" void delete_message(etl::imessage* pmsg)")
cog.outl(" {")
cog.outl(" switch (pmsg->get_message_id())")
cog.outl(" {")
for n in range(1, int(Handlers) + 1):
cog.out(" case T%d::ID: static_cast<const T%d" %(n, n))
cog.outl("*>(pmsg)->~T%d(); break;" % n)
cog.outl(" default: ETL_ASSERT_FAIL(ETL_ERROR(unhandled_message_exception)); break;")
cog.outl(" }")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" void add_new_message(const etl::imessage& msg)")
cog.outl(" {")
cog.outl(" const size_t id = msg.get_message_id();")
cog.outl(" void* p = data;")
cog.outl("")
cog.outl(" switch (id)")
cog.outl(" {")
for n in range(1, int(Handlers) + 1):
cog.outl(" case T%d::ID: ::new (p) T%d(static_cast<const T%d&>(msg)); break;" %(n, n, n))
cog.outl(" default: ETL_ASSERT_FAIL(ETL_ERROR(unhandled_message_exception)); break;")
cog.outl(" }")
cog.outl(" }")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //********************************************")
cog.outl(" void add_new_message(etl::imessage&& msg)")
cog.outl(" {")
cog.outl(" const size_t id = msg.get_message_id();")
cog.outl(" void* p = data;")
cog.outl("")
cog.outl(" switch (id)")
cog.outl(" {")
for n in range(1, int(Handlers) + 1):
cog.outl(" case T%d::ID: ::new (p) T%d(static_cast<T%d&&>(msg)); break;" %(n, n, n))
cog.outl(" default: ETL_ASSERT_FAIL(ETL_ERROR(unhandled_message_exception)); break;")
cog.outl(" }")
cog.outl(" }")
cog.outl("#endif")
cog.outl("")
cog.outl(" typename etl::aligned_storage<SIZE, ALIGNMENT>::type data;")
cog.outl(" bool valid;")
cog.outl("};")
####################################
# All of the other specialisations.
####################################
for n in range(int(Handlers) - 1, 0, -1):
cog.outl("")
cog.outl("//***************************************************************************")
if n == 1:
cog.outl("// Specialisation for %d message type." % n)
else:
cog.outl("// Specialisation for %d message types." % n)
cog.outl("//***************************************************************************")
cog.out("template <")
for t in range(1, n):
cog.out("typename T%s, " % t)
if t % 4 == 0:
cog.outl("")
cog.out(" ")
cog.outl("typename T%s>" % n)
cog.out("class message_packet<")
for t in range(1, n + 1):
cog.out("T%d, " % t)
if t % 16 == 0:
cog.outl("")
cog.out(" ")
for t in range(n + 1, int(Handlers)):
cog.out("void, ")
if t % 16 == 0:
cog.outl("")
cog.out(" ")
cog.outl("void>")
cog.outl("{")
cog.outl("public:")
cog.outl("")
cog.out("#if ETL_USING_CPP11")
cog.outl("")
cog.out(" using message_types = etl::type_list<")
for t in range(1, int(n)):
cog.out("T%s, " % t)
cog.outl("T%s>;" % int(n))
cog.outl("#endif")
cog.outl("")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" ETL_CONSTEXPR message_packet() ETL_NOEXCEPT")
cog.outl(" : valid(false)")
cog.outl(" {")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" explicit message_packet(const etl::imessage& msg)")
cog.outl(" {")
cog.outl(" if (accepts(msg))")
cog.outl(" {")
cog.outl(" add_new_message(msg);")
cog.outl(" valid = true;")
cog.outl(" }")
cog.outl(" else")
cog.outl(" {")
cog.outl(" valid = false;")
cog.outl(" }")
cog.outl("")
cog.outl(" ETL_ASSERT(valid, ETL_ERROR(unhandled_message_exception));")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" explicit message_packet(etl::imessage&& msg)")
cog.outl(" {")
cog.outl(" if (accepts(msg))")
cog.outl(" {")
cog.outl(" add_new_message(etl::move(msg));")
cog.outl(" valid = true;")
cog.outl(" }")
cog.outl(" else")
cog.outl(" {")
cog.outl(" valid = false;")
cog.outl(" }")
cog.outl("")
cog.outl(" ETL_ASSERT(valid, ETL_ERROR(unhandled_message_exception));")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION) && !defined(ETL_COMPILER_GREEN_HILLS)")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.out(" template <typename TMessage, typename = typename etl::enable_if<!etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::message_packet<")
for t in range(1, n):
cog.out("T%s, " % t)
cog.outl("T%s> >::value &&" % n)
cog.outl(" !etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::imessage>::value &&")
cog.out(" !etl::is_one_of<typename etl::remove_cvref<TMessage>::type, ")
for t in range(1, n):
cog.out("T%s, " % t)
cog.outl("T%s>::value, int>::type>" % n)
cog.outl(" explicit message_packet(TMessage&& /*msg*/)")
cog.outl(" : valid(true)")
cog.outl(" {")
generate_static_assert_cpp11(n)
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#else")
cog.outl(" //********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" template <typename TMessage>")
cog.out(" explicit message_packet(const TMessage& /*msg*/, typename etl::enable_if<!etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::message_packet<")
for t in range(1, n):
cog.out("T%s, " % t)
cog.outl("T%s> >::value &&" % n)
cog.outl(" !etl::is_same<typename etl::remove_cvref<TMessage>::type, etl::imessage>::value &&")
cog.out(" !etl::is_one_of<typename etl::remove_cvref<TMessage>::type, ")
for t in range(1, n):
cog.out("T%s, " % t)
cog.outl("T%s>::value, int>::type = 0)" % n)
cog.outl(" : valid(true)")
cog.outl(" {")
generate_static_assert_cpp03(n)
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet(const message_packet& other)")
cog.outl(" : valid(other.is_valid())")
cog.outl(" {")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(other.get());")
cog.outl(" }")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet(message_packet&& other)")
cog.outl(" : valid(other.is_valid())")
cog.outl(" {")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(etl::move(other.get()));")
cog.outl(" }")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet& operator =(const message_packet& rhs)")
cog.outl(" {")
cog.outl(" delete_current_message();")
cog.outl(" valid = rhs.is_valid();")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(rhs.get());")
cog.outl(" }")
cog.outl("")
cog.outl(" return *this;")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //**********************************************")
cog.outl("#include \"diagnostic_uninitialized_push.h\"")
cog.outl(" message_packet& operator =(message_packet&& rhs)")
cog.outl(" {")
cog.outl(" delete_current_message();")
cog.outl(" valid = rhs.is_valid();")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" add_new_message(etl::move(rhs.get()));")
cog.outl(" }")
cog.outl("")
cog.outl(" return *this;")
cog.outl(" }")
cog.outl("#include \"diagnostic_pop.h\"")
cog.outl("#endif")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" ~message_packet()")
cog.outl(" {")
cog.outl(" delete_current_message();")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" etl::imessage& get() ETL_NOEXCEPT")
cog.outl(" {")
cog.outl(" return *static_cast<etl::imessage*>(data);")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" const etl::imessage& get() const ETL_NOEXCEPT")
cog.outl(" {")
cog.outl(" return *static_cast<const etl::imessage*>(data);")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" bool is_valid() const")
cog.outl(" {")
cog.outl(" return valid;")
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" static ETL_CONSTEXPR bool accepts(etl::message_id_t id)")
cog.outl(" {")
generate_accepts_return(n)
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" static ETL_CONSTEXPR bool accepts(const etl::imessage& msg)")
cog.outl(" {")
cog.outl(" return accepts(msg.get_message_id());")
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" template <etl::message_id_t Id>")
cog.outl(" static ETL_CONSTEXPR bool accepts()")
cog.outl(" {")
generate_accepts_return_compile_time(n)
cog.outl(" }")
cog.outl("")
cog.outl(" //**********************************************")
cog.outl(" template <typename TMessage>")
cog.outl(" static ETL_CONSTEXPR")
cog.outl(" typename etl::enable_if<etl::is_base_of<etl::imessage, TMessage>::value, bool>::type")
cog.outl(" accepts()")
cog.outl(" {")
generate_accepts_return_compile_time_TMessage(n)
cog.outl(" }")
cog.outl("")
cog.outl(" enum")
cog.outl(" {")
cog.out(" SIZE = etl::largest<")
for t in range(1, n):
cog.out("T%d, " % t)
cog.outl("T%s>::size," % n)
cog.out(" ALIGNMENT = etl::largest<")
for t in range(1, n):
cog.out("T%d, " % t)
cog.outl("T%s>::alignment" % n)
cog.outl(" };")
cog.outl("")
cog.outl("private:")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" #include \"diagnostic_uninitialized_push.h\"")
cog.outl(" void delete_current_message()")
cog.outl(" {")
cog.outl(" if (valid)")
cog.outl(" {")
cog.outl(" etl::imessage* pmsg = static_cast<etl::imessage*>(data);")
cog.outl("")
cog.outl("")
cog.outl("#if ETL_HAS_VIRTUAL_MESSAGES")
cog.outl(" pmsg->~imessage();")
cog.outl("#else")
cog.outl(" delete_message(pmsg);")
cog.outl("#endif")
cog.outl(" }")
cog.outl(" }")
cog.outl(" #include \"diagnostic_pop.h\"")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" void delete_message(etl::imessage* pmsg)")
cog.outl(" {")
cog.outl(" switch (pmsg->get_message_id())")
cog.outl(" {")
for t in range(1, n + 1):
cog.out(" case T%d::ID: static_cast<const T%d" %(t, t))
cog.outl("*>(pmsg)->~T%d(); break;" % t)
cog.outl(" default: ETL_ASSERT_FAIL(ETL_ERROR(unhandled_message_exception)); break;")
cog.outl(" }")
cog.outl(" }")
cog.outl("")
cog.outl(" //********************************************")
cog.outl(" void add_new_message(const etl::imessage& msg)")
cog.outl(" {")
cog.outl(" const size_t id = msg.get_message_id();")
cog.outl(" void* p = data;")
cog.outl("")
cog.outl(" switch (id)")
cog.outl(" {")
for t in range(1, n + 1):
cog.outl(" case T%d::ID: ::new (p) T%d(static_cast<const T%d&>(msg)); break;" %(t, t, t))
cog.outl(" default: ETL_ASSERT_FAIL(ETL_ERROR(unhandled_message_exception)); break;")
cog.outl(" }")
cog.outl(" }")
cog.outl("")
cog.outl("#if ETL_USING_CPP11 && !defined(ETL_MESSAGE_PACKET_FORCE_CPP03_IMPLEMENTATION)")
cog.outl(" //********************************************")
cog.outl(" void add_new_message(etl::imessage&& msg)")
cog.outl(" {")
cog.outl(" const size_t id = msg.get_message_id();")
cog.outl(" void* p = data;")
cog.outl("")
cog.outl(" switch (id)")
cog.outl(" {")
for t in range(1, n + 1):
cog.outl(" case T%d::ID: ::new (p) T%d(static_cast<T%d&&>(msg)); break;" %(t, t, t))
cog.outl(" default: break;")
cog.outl(" }")
cog.outl(" }")
cog.outl("#endif")
cog.outl("")
cog.outl(" typename etl::aligned_storage<SIZE, ALIGNMENT>::type data;")
cog.outl(" bool valid;")
cog.outl("};")
]]]*/
/*[[[end]]]*/
//***************************************************************************
// Specialisation for 0 message types.
//***************************************************************************
template <>
class message_packet<void, void, void, void, void, void, void, void,
void, void, void, void, void, void, void, void>
{
public:
#if ETL_USING_CPP11
using message_types = etl::type_list<>;
#endif
ETL_CONSTEXPR message_packet() ETL_NOEXCEPT
: valid(false)
{
}
static ETL_CONSTEXPR bool accepts(etl::message_id_t)
{
return false;
}
static ETL_CONSTEXPR bool accepts(const etl::imessage&)
{
return false;
}
template <etl::message_id_t Id>
static ETL_CONSTEXPR bool accepts()
{
return false;
}
template <typename TMessage>
static ETL_CONSTEXPR typename etl::enable_if<etl::is_base_of<etl::imessage, TMessage>::value, bool>::type accepts()
{
return false;
}
bool is_valid() const
{
return valid;
}
enum
{
SIZE = 0U,
ALIGNMENT = 1U
};
private:
bool valid;
};
etl::imessage
Definition message.h:73
message_packet
Definition message_packet_cpp03.h:41
type
etl::message_id_t
uint_least8_t message_id_t
Allow alternative type for message id.
Definition message_types.h:40