Swapped luabind for non-boost fork

https://github.com/decimad/luabind-deboostified
This commit is contained in:
Adam Martin
2019-02-02 00:06:32 -06:00
parent cbe811cf94
commit 26eb4fb6e0
123 changed files with 9408 additions and 10110 deletions
+235 -242
View File
@@ -24,250 +24,243 @@
#include <luabind/detail/object_rep.hpp>
#include <luabind/detail/class_rep.hpp>
#include <luabind/lua502.hpp>
namespace luabind { namespace detail
{
#if LUA_VERSION_NUM < 502
# define lua_getuservalue lua_getfenv
# define lua_setuservalue lua_setfenv
#endif
// dest is a function that is called to delete the c++ object this struct holds
object_rep::object_rep(instance_holder* instance, class_rep* crep)
: m_instance(instance)
, m_classrep(crep)
, m_dependency_cnt(0)
{}
namespace luabind {
namespace detail {
// dest is a function that is called to delete the c++ object this struct holds
object_rep::object_rep(instance_holder* instance, class_rep* crep)
: m_instance(instance)
, m_classrep(crep)
{
}
object_rep::~object_rep()
{
if(!m_instance)
return;
m_instance->~instance_holder();
deallocate(m_instance);
}
void object_rep::add_dependency(lua_State* L, int index)
{
if(!m_dependency_ref.is_valid())
{
lua_newtable(L);
m_dependency_ref.set(L);
}
m_dependency_ref.get(L);
lua_pushvalue(L, index);
lua_pushnumber(L, 0);
lua_rawset(L, -3);
lua_pop(L, 1);
}
int destroy_instance(lua_State* L)
{
object_rep* instance = static_cast<object_rep*>(lua_touserdata(L, 1));
lua_pushstring(L, "__finalize");
lua_gettable(L, 1);
if(lua_isnil(L, -1))
{
lua_pop(L, 1);
}
else
{
lua_pushvalue(L, 1);
lua_call(L, 1, 0);
}
instance->~object_rep();
lua_pushnil(L);
lua_setmetatable(L, 1);
return 0;
}
namespace
{
int set_instance_value(lua_State* L)
{
lua_getuservalue(L, 1);
lua_pushvalue(L, 2);
lua_rawget(L, -2);
if(lua_isnil(L, -1) && lua_getmetatable(L, -2))
{
lua_pushvalue(L, 2);
lua_rawget(L, -2);
lua_replace(L, -3);
lua_pop(L, 1);
}
if(lua_tocfunction(L, -1) == &property_tag)
{
// this member is a property, extract the "set" function and call it.
lua_getupvalue(L, -1, 2);
if(lua_isnil(L, -1))
{
lua_pushfstring(L, "property '%s' is read only", lua_tostring(L, 2));
lua_error(L);
}
lua_pushvalue(L, 1);
lua_pushvalue(L, 3);
lua_call(L, 2, 0);
return 0;
}
lua_pop(L, 1);
if(!lua_getmetatable(L, 4))
{
lua_newtable(L);
lua_pushvalue(L, -1);
lua_setuservalue(L, 1);
lua_pushvalue(L, 4);
lua_setmetatable(L, -2);
}
else
{
lua_pop(L, 1);
}
lua_pushvalue(L, 2);
lua_pushvalue(L, 3);
lua_rawset(L, -3);
return 0;
}
int get_instance_value(lua_State* L)
{
lua_getuservalue(L, 1);
lua_pushvalue(L, 2);
lua_rawget(L, -2);
if(lua_isnil(L, -1) && lua_getmetatable(L, -2))
{
lua_pushvalue(L, 2);
lua_rawget(L, -2);
}
if(lua_tocfunction(L, -1) == &property_tag)
{
// this member is a property, extract the "get" function and call it.
lua_getupvalue(L, -1, 1);
lua_pushvalue(L, 1);
lua_call(L, 1, 1);
}
return 1;
}
int dispatch_operator(lua_State* L)
{
for(int i = 0; i < 2; ++i)
{
if(get_instance(L, 1 + i))
{
int nargs = lua_gettop(L);
lua_pushvalue(L, lua_upvalueindex(1));
lua_gettable(L, 1 + i);
if(lua_isnil(L, -1))
{
lua_pop(L, 1);
continue;
}
lua_insert(L, 1); // move the function to the bottom
nargs = lua_toboolean(L, lua_upvalueindex(2)) ? 1 : nargs;
if(lua_toboolean(L, lua_upvalueindex(2))) // remove trailing nil
lua_remove(L, 3);
lua_call(L, nargs, 1);
return 1;
}
}
lua_pop(L, lua_gettop(L));
lua_pushstring(L, "No such operator defined");
lua_error(L);
return 0;
}
} // namespace unnamed
LUABIND_API void push_instance_metatable(lua_State* L)
{
lua_newtable(L);
// This is used as a tag to determine if a userdata is a luabind
// instance. We use a numeric key and a cclosure for fast comparison.
lua_pushnumber(L, 1);
lua_pushcclosure(L, get_instance_value, 0);
lua_rawset(L, -3);
lua_pushcclosure(L, destroy_instance, 0);
lua_setfield(L, -2, "__gc");
lua_pushcclosure(L, get_instance_value, 0);
lua_setfield(L, -2, "__index");
lua_pushcclosure(L, set_instance_value, 0);
lua_setfield(L, -2, "__newindex");
for(int op = 0; op < number_of_operators; ++op)
{
lua_pushstring(L, get_operator_name(op));
lua_pushvalue(L, -1);
lua_pushboolean(L, op == op_unm || op == op_len);
lua_pushcclosure(L, &dispatch_operator, 2);
lua_settable(L, -3);
}
}
LUABIND_API object_rep* get_instance(lua_State* L, int index)
{
object_rep* result = static_cast<object_rep*>(lua_touserdata(L, index));
if(!result || !lua_getmetatable(L, index))
return 0;
lua_rawgeti(L, -1, 1);
if(lua_tocfunction(L, -1) != &get_instance_value)
result = 0;
lua_pop(L, 2);
return result;
}
LUABIND_API object_rep* push_new_instance(lua_State* L, class_rep* cls)
{
void* storage = lua_newuserdata(L, sizeof(object_rep));
object_rep* result = new (storage) object_rep(0, cls);
cls->get_table(L);
lua_setuservalue(L, -2);
lua_rawgeti(L, LUA_REGISTRYINDEX, cls->metatable_ref());
lua_setmetatable(L, -2);
return result;
}
object_rep::~object_rep()
{
if (!m_instance)
return;
m_instance->~instance_holder();
deallocate(m_instance);
}
void object_rep::add_dependency(lua_State* L, int index)
{
assert(m_dependency_cnt < sizeof(object_rep));
void* key = (char*)this + m_dependency_cnt;
lua_pushlightuserdata(L, key);
lua_pushvalue(L, index);
lua_rawset(L, LUA_REGISTRYINDEX);
++m_dependency_cnt;
}
void object_rep::release_dependency_refs(lua_State* L)
{
for (std::size_t i = 0; i < m_dependency_cnt; ++i)
{
void* key = (char*)this + i;
lua_pushlightuserdata(L, key);
lua_pushnil(L);
lua_rawset(L, LUA_REGISTRYINDEX);
}
}
int destroy_instance(lua_State* L)
{
object_rep* instance = static_cast<object_rep*>(lua_touserdata(L, 1));
lua_pushstring(L, "__finalize");
lua_gettable(L, 1);
if (lua_isnil(L, -1))
{
lua_pop(L, 1);
}
else
{
lua_pushvalue(L, 1);
lua_call(L, 1, 0);
}
instance->release_dependency_refs(L);
instance->~object_rep();
return 0;
}
namespace
{
int set_instance_value(lua_State* L)
{
lua_getfenv(L, 1);
lua_pushvalue(L, 2);
lua_rawget(L, -2);
if (lua_isnil(L, -1) && lua_getmetatable(L, -2))
{
lua_pushvalue(L, 2);
lua_rawget(L, -2);
lua_replace(L, -3);
lua_pop(L, 1);
}
if (lua_tocfunction(L, -1) == &property_tag)
{
// this member is a property, extract the "set" function and call it.
lua_getupvalue(L, -1, 2);
if (lua_isnil(L, -1))
{
lua_pushfstring(L, "property '%s' is read only", lua_tostring(L, 2));
lua_error(L);
}
lua_pushvalue(L, 1);
lua_pushvalue(L, 3);
lua_call(L, 2, 0);
return 0;
}
lua_pop(L, 1);
if (!lua_getmetatable(L, 4))
{
lua_newtable(L);
lua_pushvalue(L, -1);
lua_setfenv(L, 1);
lua_pushvalue(L, 4);
lua_setmetatable(L, -2);
}
else
{
lua_pop(L, 1);
}
lua_pushvalue(L, 2);
lua_pushvalue(L, 3);
lua_rawset(L, -3);
return 0;
}
int get_instance_value(lua_State* L)
{
lua_getfenv(L, 1);
lua_pushvalue(L, 2);
lua_rawget(L, -2);
if (lua_isnil(L, -1) && lua_getmetatable(L, -2))
{
lua_pushvalue(L, 2);
lua_rawget(L, -2);
}
if (lua_tocfunction(L, -1) == &property_tag)
{
// this member is a property, extract the "get" function and call it.
lua_getupvalue(L, -1, 1);
lua_pushvalue(L, 1);
lua_call(L, 1, 1);
}
return 1;
}
int dispatch_operator(lua_State* L)
{
for (int i = 0; i < 2; ++i)
{
if (get_instance(L, 1 + i))
{
int nargs = lua_gettop(L);
lua_pushvalue(L, lua_upvalueindex(1));
lua_gettable(L, 1 + i);
if (lua_isnil(L, -1))
{
lua_pop(L, 1);
continue;
}
lua_insert(L, 1); // move the function to the bottom
nargs = lua_toboolean(L, lua_upvalueindex(2)) ? 1 : nargs;
if (lua_toboolean(L, lua_upvalueindex(2))) // remove trailing nil
lua_remove(L, 3);
lua_call(L, nargs, 1);
return 1;
}
}
lua_pop(L, lua_gettop(L));
lua_pushstring(L, "No such operator defined");
lua_error(L);
return 0;
}
} // namespace unnamed
LUABIND_API void push_instance_metatable(lua_State* L)
{
lua_newtable(L);
// just indicate that this really is a class and not just
// any user data
lua_pushboolean(L, 1);
lua_setfield(L, -2, "__luabind_class");
// This is used as a tag to determine if a userdata is a luabind
// instance. We use a numeric key and a cclosure for fast comparision.
lua_pushnumber(L, 1);
lua_pushcclosure(L, get_instance_value, 0);
lua_rawset(L, -3);
lua_pushcclosure(L, destroy_instance, 0);
lua_setfield(L, -2, "__gc");
lua_pushcclosure(L, get_instance_value, 0);
lua_setfield(L, -2, "__index");
lua_pushcclosure(L, set_instance_value, 0);
lua_setfield(L, -2, "__newindex");
for (int op = 0; op < number_of_operators; ++op)
{
lua_pushstring(L, get_operator_name(op));
lua_pushvalue(L, -1);
lua_pushboolean(L, op == op_unm || op == op_len);
lua_pushcclosure(L, &dispatch_operator, 2);
lua_settable(L, -3);
}
}
LUABIND_API object_rep* get_instance(lua_State* L, int index)
{
object_rep* result = static_cast<object_rep*>(lua_touserdata(L, index));
if (!result || !lua_getmetatable(L, index))
return 0;
lua_rawgeti(L, -1, 1);
if (lua_tocfunction(L, -1) != &get_instance_value)
result = 0;
lua_pop(L, 2);
return result;
}
LUABIND_API object_rep* push_new_instance(lua_State* L, class_rep* cls)
{
void* storage = lua_newuserdata(L, sizeof(object_rep));
object_rep* result = new (storage) object_rep(0, cls);
cls->get_table(L);
lua_setfenv(L, -2);
lua_rawgeti(L, LUA_REGISTRYINDEX, cls->metatable_ref());
lua_setmetatable(L, -2);
return result;
}
}}
}