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Revert "Build System Updated"
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Alex
GitHub
+104
-110
@@ -4,139 +4,133 @@
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#define LUABIND_BUILDING
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#include <luabind/detail/object.hpp>
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#include <luabind/make_function.hpp>
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#include <luabind/detail/conversion_policies/conversion_policies.hpp>
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#include <luabind/detail/object.hpp>
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namespace luabind {
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namespace detail {
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namespace luabind { namespace detail {
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namespace {
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namespace
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{
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int function_destroy(lua_State* L)
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{
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function_object* fn = *(function_object**)lua_touserdata(L, 1);
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delete fn;
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return 0;
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}
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int function_destroy(lua_State* L)
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{
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function_object* fn = *(function_object**)lua_touserdata(L, 1);
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delete fn;
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return 0;
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}
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void push_function_metatable(lua_State* L)
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{
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lua_pushstring(L, "luabind.function");
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lua_rawget(L, LUA_REGISTRYINDEX);
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void push_function_metatable(lua_State* L)
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{
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lua_pushstring(L, "luabind.function");
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lua_rawget(L, LUA_REGISTRYINDEX);
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if(lua_istable(L, -1))
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return;
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if (lua_istable(L, -1))
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return;
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lua_pop(L, 1);
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lua_pop(L, 1);
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lua_newtable(L);
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lua_newtable(L);
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lua_pushstring(L, "__gc");
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lua_pushcclosure(L, &function_destroy, 0);
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lua_rawset(L, -3);
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lua_pushstring(L, "__gc");
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lua_pushcclosure(L, &function_destroy, 0);
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lua_rawset(L, -3);
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lua_pushstring(L, "luabind.function");
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lua_pushvalue(L, -2);
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lua_rawset(L, LUA_REGISTRYINDEX);
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}
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lua_pushstring(L, "luabind.function");
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lua_pushvalue(L, -2);
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lua_rawset(L, LUA_REGISTRYINDEX);
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}
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// A pointer to this is used as a tag value to identify functions exported
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// by luabind.
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int function_tag = 0;
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// A pointer to this is used as a tag value to identify functions exported
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// by luabind.
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int function_tag = 0;
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} // namespace unnamed
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} // namespace unnamed
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LUABIND_API bool is_luabind_function(lua_State* L, int index)
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{
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if(!lua_getupvalue(L, index, 2))
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return false;
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bool result = lua_touserdata(L, -1) == &function_tag;
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lua_pop(L, 1);
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return result;
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}
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LUABIND_API bool is_luabind_function(lua_State* L, int index)
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{
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if (!lua_getupvalue(L, index, 2))
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return false;
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bool result = lua_touserdata(L, -1) == &function_tag;
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lua_pop(L, 1);
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return result;
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}
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namespace
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{
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namespace
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{
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inline bool is_luabind_function(object const& obj)
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{
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obj.push(obj.interpreter());
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bool result = detail::is_luabind_function(obj.interpreter(), -1);
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lua_pop(obj.interpreter(), 1);
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return result;
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}
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inline bool is_luabind_function(object const& obj)
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{
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obj.push(obj.interpreter());
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bool result = detail::is_luabind_function(obj.interpreter(), -1);
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lua_pop(obj.interpreter(), 1);
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return result;
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}
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} // namespace unnamed
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} // namespace unnamed
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LUABIND_API void add_overload(
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object const& context, char const* name, object const& fn)
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{
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function_object* f = *touserdata<function_object*>(std::get<1>(getupvalue(fn, 1)));
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f->name = name;
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LUABIND_API void add_overload(
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object const& context, char const* name, object const& fn)
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{
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function_object* f = *touserdata<function_object*>(getupvalue(fn, 1));
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f->name = name;
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if(object overloads = context[name])
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{
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if(is_luabind_function(overloads) && is_luabind_function(fn))
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{
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f->next = *touserdata<function_object*>(std::get<1>(getupvalue(overloads, 1)));
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f->keepalive = overloads;
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}
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}
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if (object overloads = context[name])
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{
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if (is_luabind_function(overloads) && is_luabind_function(fn))
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{
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f->next = *touserdata<function_object*>(getupvalue(overloads, 1));
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f->keepalive = overloads;
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}
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}
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context[name] = fn;
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}
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context[name] = fn;
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}
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LUABIND_API object make_function_aux(lua_State* L, function_object* impl)
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{
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void* storage = lua_newuserdata(L, sizeof(function_object*));
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push_function_metatable(L);
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*(function_object**)storage = impl;
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lua_setmetatable(L, -2);
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LUABIND_API object make_function_aux(lua_State* L, function_object* impl)
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{
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void* storage = lua_newuserdata(L, sizeof(function_object*));
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push_function_metatable(L);
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*(function_object**)storage = impl;
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lua_setmetatable(L, -2);
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lua_pushlightuserdata(L, &function_tag);
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lua_pushcclosure(L, impl->entry, 2);
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stack_pop pop(L, 1);
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lua_pushlightuserdata(L, &function_tag);
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lua_pushcclosure(L, impl->entry, 2);
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stack_pop pop(L, 1);
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return object(from_stack(L, -1));
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}
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return object(from_stack(L, -1));
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}
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void invoke_context::format_error(
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lua_State* L, function_object const* overloads) const
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{
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char const* function_name =
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overloads->name.empty() ? "<unknown>" : overloads->name.c_str();
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void invoke_context::format_error(
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lua_State* L, function_object const* overloads) const
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{
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char const* function_name =
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overloads->name.empty() ? "<unknown>" : overloads->name.c_str();
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if(candidate_index == 0)
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{
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int stacksize = lua_gettop(L);
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lua_pushstring(L, "No matching overload found, candidates:\n");
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int count = 0;
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for(function_object const* f = overloads; f != 0; f = f->next)
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{
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if(count != 0)
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lua_pushstring(L, "\n");
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f->format_signature(L, function_name);
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++count;
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}
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lua_concat(L, lua_gettop(L) - stacksize);
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}
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else
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{
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// Ambiguous
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int stacksize = lua_gettop(L);
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lua_pushstring(L, "Ambiguous, candidates:\n");
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for(int i = 0; i < candidate_index; ++i)
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{
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if(i != 0)
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lua_pushstring(L, "\n");
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candidates[i]->format_signature(L, function_name);
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}
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lua_concat(L, lua_gettop(L) - stacksize);
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}
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}
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if (candidate_index == 0)
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{
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lua_pushstring(L, "No matching overload found, candidates:\n");
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int count = 0;
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for (function_object const* f = overloads; f != 0; f = f->next)
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{
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if (count != 0)
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lua_pushstring(L, "\n");
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f->format_signature(L, function_name);
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++count;
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}
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lua_concat(L, count * 2);
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}
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else
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{
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// Ambiguous
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lua_pushstring(L, "Ambiguous, candidates:\n");
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for (int i = 0; i < candidate_index; ++i)
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{
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if (i != 0)
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lua_pushstring(L, "\n");
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candidates[i]->format_signature(L, function_name);
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}
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lua_concat(L, candidate_index * 2);
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}
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}
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} // namespace detail
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} // namespace luabind
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}} // namespace luabind::detail
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