0.5.4
C++ to UML diagram generator based on Clang
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t00064 - Template type list test case

Config

diagrams:
t00064_class:
type: class
glob:
- t00064.cc
include:
namespaces:
- clanguml::t00064
using_namespace: clanguml::t00064
plantuml:
before:
- left to right direction

Source code

File tests/t00064/t00064.cc

#include <cstddef>
#include <tuple>
namespace clanguml {
namespace t00064 {
// Loosely based on
template <typename... Ts> struct type_list { };
template <typename Ret, typename Arg, typename... Ts>
struct type_list<Ret (*)(Arg &&), Ts...> { };
template <typename T, typename... Ts> struct type_list<const T, Ts...> { };
template <typename> struct head;
template <typename Head, typename... Tail>
struct head<type_list<Head, Tail...>> {
using type = Head;
};
template <typename... Type> using first_t = type_list<Type...>;
template <typename... Type> using second_t = type_list<Type...>;
template <typename, typename> class type_group_pair;
template <typename... First, typename... Second>
class type_group_pair<first_t<First...>, second_t<Second...>> {
static constexpr size_t size = sizeof...(First) + sizeof...(Second);
};
template <typename T> struct optional_ref { };
template <typename, typename, typename> class type_group_pair_it;
template <typename It, typename... First, typename... Second>
class type_group_pair_it<It, first_t<First...>, second_t<Second...>> {
public:
using value_type =
decltype(std::tuple_cat(std::make_tuple(*std::declval<It>()),
std::declval<First>().get_as_tuple({})...,
std::declval<Second>().get_as_tuple({})...));
using ref_t = optional_ref<value_type>;
ref_t get(unsigned i) { return {}; }
const value_type *getp(unsigned i) { return nullptr; }
constexpr unsigned find(value_type const &v) { return 0; }
};
struct A { };
struct B { };
struct C { };
class R {
public:
type_list<A, bool, int> aboolint;
type_group_pair<type_list<float, double>, type_list<A, B, C>> abc;
};
}
}

Generated PlantUML diagrams

Generated Mermaid diagrams

Generated JSON models

{
"diagram_type": "class",
"elements": [
{
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"display_name": "type_list<Ts...>",
"id": "16440354852046017112",
"is_abstract": false,
"is_nested": false,
"is_struct": true,
"is_template": true,
"is_union": false,
"members": [],
"methods": [],
"name": "type_list",
"namespace": "clanguml::t00064",
"source_location": {
"column": 34,
"file": "t00064.cc",
"line": 8,
"translation_unit": "t00064.cc"
},
"template_parameters": [
{
"is_variadic": true,
"kind": "template_type",
"name": "Ts...",
"template_parameters": []
}
],
"type": "class"
},
{
"bases": [],
"display_name": "type_list<Ret(Arg &&),Ts...>",
"id": "12291224704152846709",
"is_abstract": false,
"is_nested": false,
"is_struct": true,
"is_template": true,
"is_union": false,
"members": [],
"methods": [],
"name": "type_list",
"namespace": "clanguml::t00064",
"source_location": {
"column": 8,
"file": "t00064.cc",
"line": 11,
"translation_unit": "t00064.cc"
},
"template_parameters": [
{
"is_variadic": false,
"kind": "template_type",
"template_parameters": [
{
"is_variadic": false,
"kind": "template_type",
"name": "Ret",
"template_parameters": []
},
{
"is_variadic": false,
"kind": "template_type",
"name": "Arg",
"template_parameters": []
}
]
},
{
"is_variadic": true,
"kind": "template_type",
"name": "Ts...",
"template_parameters": []
}
],
"type": "class"
},
{
"bases": [],
"display_name": "type_list<T const,Ts...>",
"id": "12906349030998809160",
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"is_nested": false,
"is_struct": true,
"is_template": true,
"is_union": false,
"members": [],
"methods": [],
"name": "type_list",
"namespace": "clanguml::t00064",
"source_location": {
"column": 46,
"file": "t00064.cc",
"line": 13,
"translation_unit": "t00064.cc"
},
"template_parameters": [
{
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"kind": "template_type",
"name": "T",
"template_parameters": []
},
{
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"kind": "template_type",
"name": "Ts...",
"template_parameters": []
}
],
"type": "class"
},
{
"bases": [],
"display_name": "type_list<Head,Tail...>",
"id": "769608253178985720",
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"members": [],
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"translation_unit": "t00064.cc"
},
"template_parameters": [
{
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"kind": "template_type",
"name": "Head",
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},
{
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"name": "Tail...",
"template_parameters": []
}
],
"type": "class"
},
{
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"id": "10741333925591003015",
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"members": [],
"methods": [],
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},
"template_parameters": [
{
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"kind": "argument",
"template_parameters": [
{
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"kind": "template_type",
"name": "Head",
"template_parameters": []
},
{
"is_variadic": true,
"kind": "template_type",
"name": "Tail...",
"template_parameters": []
}
],
"type": "type_list"
}
],
"type": "class"
},
{
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"id": "597240042638226493",
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},
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{
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"name": "Type...",
"template_parameters": []
}
],
"type": "class"
},
{
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"display_name": "type_list<First...>",
"id": "15021642472081025560",
"is_abstract": false,
"is_nested": false,
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"is_union": false,
"members": [],
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"translation_unit": "t00064.cc"
},
"template_parameters": [
{
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"kind": "template_type",
"name": "First...",
"template_parameters": []
}
],
"type": "class"
},
{
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"id": "13900437116703425510",
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"members": [],
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"translation_unit": "t00064.cc"
},
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{
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}
],
"type": "class"
},
{
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"id": "10507370550285669286",
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"members": [
{
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"name": "size",
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"translation_unit": "t00064.cc"
},
"type": "const size_t"
}
],
"methods": [],
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},
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{
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}
],
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},
{
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{
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"template_parameters": []
}
],
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}
],
"type": "class"
},
{
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"id": "16882528195637382119",
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"members": [],
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"namespace": "clanguml::t00064",
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"line": 31,
"translation_unit": "t00064.cc"
},
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{
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"kind": "template_type",
"name": "T",
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}
],
"type": "class"
},
{
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"id": "3812248355494855459",
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"members": [],
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"source_location": {
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"translation_unit": "t00064.cc"
},
"template_parameters": [
{
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"kind": "argument",
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}
],
"type": "class"
},
{
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"id": "8195070423933989553",
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"is_union": false,
"members": [],
"methods": [
{
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"is_constructor": false,
"is_copy_assignment": false,
"is_coroutine": false,
"is_defaulted": false,
"is_deleted": false,
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"is_noexcept": false,
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"name": "get",
"parameters": [
{
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"type": "unsigned int"
}
],
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"line": 44,
"translation_unit": "t00064.cc"
},
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},
{
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"parameters": [
{
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}
],
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"translation_unit": "t00064.cc"
},
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},
{
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"parameters": [
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}
],
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"line": 48,
"translation_unit": "t00064.cc"
},
"template_parameters": [],
"type": "unsigned int"
}
],
"name": "type_group_pair_it",
"namespace": "clanguml::t00064",
"source_location": {
"column": 7,
"file": "t00064.cc",
"line": 35,
"translation_unit": "t00064.cc"
},
"template_parameters": [
{
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"name": "It",
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},
{
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{
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}
],
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},
{
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{
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}
],
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}
],
"type": "class"
},
{
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"id": "4690293411849965663",
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"members": [],
"methods": [],
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"namespace": "clanguml::t00064",
"source_location": {
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"line": 51,
"translation_unit": "t00064.cc"
},
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},
{
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"members": [],
"methods": [],
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},
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},
{
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"translation_unit": "t00064.cc"
},
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},
{
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},
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},
{
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"template_parameters": [],
"type": "bool"
},
{
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}
],
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},
{
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},
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},
{
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}
],
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},
{
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},
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}
],
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},
{
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},
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},
{
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}
],
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},
{
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{
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"template_parameters": [],
"type": "clanguml::t00064::A"
},
{
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"kind": "argument",
"template_parameters": [],
"type": "clanguml::t00064::B"
},
{
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"type": "clanguml::t00064::C"
}
],
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}
],
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},
{
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"members": [
{
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"translation_unit": "t00064.cc"
},
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},
{
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"source_location": {
"column": 67,
"file": "t00064.cc",
"line": 58,
"translation_unit": "t00064.cc"
},
"type": "type_group_pair<type_list<float,double>,type_list<A,B,C>>"
}
],
"methods": [],
"name": "R",
"namespace": "clanguml::t00064",
"source_location": {
"column": 7,
"file": "t00064.cc",
"line": 55,
"translation_unit": "t00064.cc"
},
"template_parameters": [],
"type": "class"
},
{
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"display_name": "type_group_pair<typename,typename>",
"id": "2175926029116580461",
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"translation_unit": "t00064.cc"
},
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{
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"template_parameters": []
},
{
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"name": "typename",
"template_parameters": []
}
],
"type": "class"
},
{
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"id": "8463251163753255664",
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"is_template": true,
"is_union": false,
"members": [],
"methods": [],
"name": "type_group_pair_it",
"namespace": "clanguml::t00064",
"source_location": {
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"file": "t00064.cc",
"line": 33,
"translation_unit": "t00064.cc"
},
"template_parameters": [
{
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},
{
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