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C++ to UML diagram generator based on Clang
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t20046 - Test case for call expressions in nested lambdas

Config

add_compile_flags:
- -fparse-all-comments
diagrams:
t20046_sequence:
type: sequence
glob:
- t20046.cc
include:
namespaces:
- clanguml::t20046
using_namespace: clanguml::t20046
from:
- function: "clanguml::t20046::tmain()"

Source code

File tests/t20046/t20046.cc

namespace clanguml {
namespace t20046 {
template <typename F> int a1(F &&f) { return f(42); }
int a2(int x) { return 2; }
int a3(int x) { return 3; }
int tmain()
{
// Call expression in a nested lambda
auto v1 = [](auto &&arg1) {
return [](auto &&arg2) { return a2(arg2); }(arg1);
}(0);
// Call expression in a nested lambda in call expression
auto v4 = a1(
[](auto &&arg1) { return [](auto &&arg2) { return a3(arg2); }(arg1); });
return 0;
}
}
}

Generated PlantUML diagrams

Generated Mermaid diagrams

Generated JSON models

{
"diagram_type": "sequence",
"name": "t20046_sequence",
"participants": [
{
"display_name": "tmain()",
"full_name": "clanguml::t20046::tmain()",
"id": "8740778777530916121",
"name": "tmain",
"namespace": "clanguml::t20046",
"source_location": {
"column": 5,
"file": "t20046.cc",
"line": 10,
"translation_unit": "t20046.cc"
},
"type": "function"
},
{
"activities": [
{
"display_name": "operator()(auto &&) const",
"full_name": "clanguml::t20046::tmain()::(lambda t20046.cc:13:15)::operator()(auto &&) const",
"id": "1399981358254574182",
"name": "operator()",
"namespace": "clanguml::t20046::tmain()",
"type": "method"
}
],
"display_name": "tmain()::(lambda t20046.cc:13:15)",
"full_name": "clanguml::t20046::tmain()::(lambda t20046.cc:13:15)",
"id": "14945611928916456551",
"name": "tmain()::(lambda t20046.cc:13:15)",
"namespace": "clanguml::t20046",
"source_location": {
"column": 15,
"file": "t20046.cc",
"line": 13,
"translation_unit": "t20046.cc"
},
"type": "lambda"
},
{
"activities": [
{
"display_name": "operator()(auto &&) const",
"full_name": "clanguml::t20046::clanguml::t20046::tmain()::(lambda t20046.cc:13:15)::(lambda t20046.cc:14:16)::operator()(auto &&) const",
"id": "6170983257636432660",
"name": "operator()",
"namespace": "clanguml::t20046::tmain()::(anonymous class)::operator()(auto &&)",
"type": "method"
}
],
"display_name": "tmain()::(lambda t20046.cc:13:15)::(lambda t20046.cc:14:16)",
"full_name": "clanguml::t20046::clanguml::t20046::tmain()::(lambda t20046.cc:13:15)::(lambda t20046.cc:14:16)",
"id": "1307842516029171611",
"name": "clanguml::t20046::tmain()::(lambda t20046.cc:13:15)::(lambda t20046.cc:14:16)",
"namespace": "clanguml::t20046",
"source_location": {
"column": 16,
"file": "t20046.cc",
"line": 14,
"translation_unit": "t20046.cc"
},
"type": "lambda"
},
{
"display_name": "a2(int)",
"full_name": "clanguml::t20046::a2(int)",
"id": "2137782590639739804",
"name": "a2",
"namespace": "clanguml::t20046",
"source_location": {
"column": 5,
"file": "t20046.cc",
"line": 6,
"translation_unit": "t20046.cc"
},
"type": "function"
},
{
"display_name": "a1<(lambda at t20046.cc:19:9)>((lambda at t20046.cc:19:9) &&)",
"full_name": "clanguml::t20046::a1<(lambda at t20046.cc:19:9)>((lambda at /home/bartek/devel/clang-uml/tests/t20046/t20046.cc:19:9) &&)",
"id": "3238820647954703898",
"name": "a1",
"namespace": "clanguml::t20046",
"source_location": {
"column": 27,
"file": "t20046.cc",
"line": 4,
"translation_unit": "t20046.cc"
},
"type": "function_template"
},
{
"activities": [
{
"display_name": "operator()(auto &&) const",
"full_name": "clanguml::t20046::tmain()::(lambda t20046.cc:19:9)::operator()(auto &&) const",
"id": "2611972639173990319",
"name": "operator()",
"namespace": "clanguml::t20046::tmain()",
"type": "method"
}
],
"display_name": "tmain()::(lambda t20046.cc:19:9)",
"full_name": "clanguml::t20046::tmain()::(lambda t20046.cc:19:9)",
"id": "14668215983962849304",
"name": "tmain()::(lambda t20046.cc:19:9)",
"namespace": "clanguml::t20046",
"source_location": {
"column": 9,
"file": "t20046.cc",
"line": 19,
"translation_unit": "t20046.cc"
},
"type": "lambda"
},
{
"activities": [
{
"display_name": "operator()(auto &&) const",
"full_name": "clanguml::t20046::clanguml::t20046::tmain()::(lambda t20046.cc:19:9)::(lambda t20046.cc:19:34)::operator()(auto &&) const",
"id": "8748747764292125090",
"name": "operator()",
"namespace": "clanguml::t20046::tmain()::(anonymous class)::operator()(auto &&)",
"type": "method"
}
],
"display_name": "tmain()::(lambda t20046.cc:19:9)::(lambda t20046.cc:19:34)",
"full_name": "clanguml::t20046::clanguml::t20046::tmain()::(lambda t20046.cc:19:9)::(lambda t20046.cc:19:34)",
"id": "17423609226710801275",
"name": "clanguml::t20046::tmain()::(lambda t20046.cc:19:9)::(lambda t20046.cc:19:34)",
"namespace": "clanguml::t20046",
"source_location": {
"column": 34,
"file": "t20046.cc",
"line": 19,
"translation_unit": "t20046.cc"
},
"type": "lambda"
},
{
"display_name": "a3(int)",
"full_name": "clanguml::t20046::a3(int)",
"id": "8350199800528268175",
"name": "a3",
"namespace": "clanguml::t20046",
"source_location": {
"column": 5,
"file": "t20046.cc",
"line": 8,
"translation_unit": "t20046.cc"
},
"type": "function"
}
],
"sequences": [
{
"messages": [
{
"comment": "Call expression in a nested lambda",
"from": {
"activity_id": "8740778777530916121",
"participant_id": "8740778777530916121"
},
"name": "operator()(auto &&) const",
"return_type": "auto",
"scope": "normal",
"source_location": {
"column": 15,
"file": "t20046.cc",
"line": 13,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "1399981358254574182",
"participant_id": "14945611928916456551"
},
"type": "message"
},
{
"from": {
"activity_id": "1399981358254574182",
"participant_id": "14945611928916456551"
},
"name": "operator()(auto &&) const",
"return_type": "auto",
"scope": "normal",
"source_location": {
"column": 16,
"file": "t20046.cc",
"line": 14,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "6170983257636432660",
"participant_id": "1307842516029171611"
},
"type": "message"
},
{
"from": {
"activity_id": "6170983257636432660",
"participant_id": "1307842516029171611"
},
"name": "",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 41,
"file": "t20046.cc",
"line": 14,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "2137782590639739804",
"participant_id": "2137782590639739804"
},
"type": "message"
},
{
"comment": "Call expression in a nested lambda in call expression",
"from": {
"activity_id": "8740778777530916121",
"participant_id": "8740778777530916121"
},
"name": "",
"return_type": "",
"scope": "normal",
"source_location": {
"column": 15,
"file": "t20046.cc",
"line": 18,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "3238820647954703898",
"participant_id": "3238820647954703898"
},
"type": "message"
},
{
"from": {
"activity_id": "3238820647954703898",
"participant_id": "3238820647954703898"
},
"name": "operator()(auto &&) const",
"return_type": "auto",
"scope": "normal",
"source_location": {
"column": 46,
"file": "t20046.cc",
"line": 4,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "2611972639173990319",
"participant_id": "14668215983962849304"
},
"type": "message"
},
{
"from": {
"activity_id": "2611972639173990319",
"participant_id": "14668215983962849304"
},
"name": "operator()(auto &&) const",
"return_type": "auto",
"scope": "normal",
"source_location": {
"column": 34,
"file": "t20046.cc",
"line": 19,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "8748747764292125090",
"participant_id": "17423609226710801275"
},
"type": "message"
},
{
"from": {
"activity_id": "8748747764292125090",
"participant_id": "17423609226710801275"
},
"name": "",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 59,
"file": "t20046.cc",
"line": 19,
"translation_unit": "t20046.cc"
},
"to": {
"activity_id": "8350199800528268175",
"participant_id": "8350199800528268175"
},
"type": "message"
}
],
"start_from": {
"id": "8740778777530916121",
"location": "clanguml::t20046::tmain()"
}
}
],
"using_namespace": "clanguml::t20046"
}
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