# t20034 - from_to sequence diagram test case
## Config
```yaml
compilation_database_dir: ..
output_directory: puml
diagrams:
  t20034_sequence:
    type: sequence
    glob:
      - ../../tests/t20034/t20034.cc
    include:
      namespaces:
        - clanguml::t20034
    using_namespace:
      - clanguml::t20034
    from_to:
      - [function: "clanguml::t20034::D::d2()",
         function: "clanguml::t20034::A::a2()"]
```
## Source code
File t20034.cc
```cpp
#include <cstdint>
namespace clanguml {
namespace t20034 {
struct A {
    void a1() { }
    void a2() { }
    void a3() { }
};

struct C;

struct B {
    void b1()
    {
        a.a1();
        a.a2();
    }
    void b2() { a.a2(); }
    void b3() { a.a3(); }
    void b4();

    A a;

    C *c;
};

struct C {
    void c1() { b.b1(); }
    void c2() { b.b2(); }
    void c3()
    {
        if (reinterpret_cast<uint64_t>(&b) == 0xbadc0de)
            c3();
        else
            c2();
    }

    void c4() { b.b4(); }

    B b;
};

struct D {
    void d1() { c.c1(); }
    void d2()
    {
        c.c1();
        a.a2();
        c.c2();
        c.c3();
        a.a2();

        c.c4();

        auto l = [this]() { a.a2(); };
        l();
    }
    void d3() { c.c3(); }

    A a;
    C c;
};

void B::b4()
{
    c->c4();
    b2();
}
}
}
```
## Generated UML diagrams
![t20034_sequence](./t20034_sequence.svg "from_to sequence diagram test case")
## Generated JSON models
```json
{
  "diagram_type": "sequence",
  "metadata": {
    "clang_uml_version": "0.3.8-27-gcdc3659",
    "llvm_version": "Ubuntu clang version 15.0.7",
    "schema_version": 1
  },
  "name": "t20034_sequence",
  "participants": [
    {
      "id": "272777525372220260",
      "name": "clanguml::t20034::D",
      "source_location": {
        "column": 8,
        "file": "../../tests/t20034/t20034.cc",
        "line": 43,
        "translation_unit": "../../tests/t20034/t20034.cc"
      },
      "type": "class"
    },
    {
      "id": "2153793652884753477",
      "name": "clanguml::t20034::C",
      "source_location": {
        "column": 8,
        "file": "../../tests/t20034/t20034.cc",
        "line": 27,
        "translation_unit": "../../tests/t20034/t20034.cc"
      },
      "type": "class"
    },
    {
      "id": "1214895773389400008",
      "name": "clanguml::t20034::B",
      "source_location": {
        "column": 8,
        "file": "../../tests/t20034/t20034.cc",
        "line": 12,
        "translation_unit": "../../tests/t20034/t20034.cc"
      },
      "type": "class"
    },
    {
      "id": "1029414747563549012",
      "name": "clanguml::t20034::A",
      "source_location": {
        "column": 8,
        "file": "../../tests/t20034/t20034.cc",
        "line": 4,
        "translation_unit": "../../tests/t20034/t20034.cc"
      },
      "type": "class"
    },
    {
      "id": "1130194784812080848",
      "name": "clanguml::t20034::D::d2()::(lambda ../../tests/t20034/t20034.cc:55:18)",
      "source_location": {
        "column": 18,
        "file": "../../tests/t20034/t20034.cc",
        "line": 55,
        "translation_unit": "../../tests/t20034/t20034.cc"
      },
      "type": "class"
    }
  ],
  "sequences": [
    {
      "from_to": {
        "from": {
          "id": 1707514178726476738,
          "location": "clanguml::t20034::D::d2()"
        },
        "to": {
          "id": 1307188853155365430,
          "location": "clanguml::t20034::A::a2()"
        }
      },
      "message_chains": [
        {
          "messages": [
            {
              "from": {
                "activity_id": "1707514178726476738",
                "activity_name": "clanguml::t20034::D::d2()",
                "participant_id": "272777525372220260"
              },
              "name": "c3()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 9,
                "file": "../../tests/t20034/t20034.cc",
                "line": 50,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "2116989777037608337",
                "activity_name": "clanguml::t20034::C::c3()",
                "participant_id": "2153793652884753477"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "2116989777037608337",
                "activity_name": "clanguml::t20034::C::c3()",
                "participant_id": "2153793652884753477"
              },
              "name": "c2()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 13,
                "file": "../../tests/t20034/t20034.cc",
                "line": 35,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "472904899982022039",
                "activity_name": "clanguml::t20034::C::c2()",
                "participant_id": "2153793652884753477"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "472904899982022039",
                "activity_name": "clanguml::t20034::C::c2()",
                "participant_id": "2153793652884753477"
              },
              "name": "b2()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 17,
                "file": "../../tests/t20034/t20034.cc",
                "line": 29,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1034410188120190919",
                "activity_name": "clanguml::t20034::B::b2()",
                "participant_id": "1214895773389400008"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "1034410188120190919",
                "activity_name": "clanguml::t20034::B::b2()",
                "participant_id": "1214895773389400008"
              },
              "name": "a2()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 17,
                "file": "../../tests/t20034/t20034.cc",
                "line": 18,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1307188853155365430",
                "activity_name": "clanguml::t20034::A::a2()",
                "participant_id": "1029414747563549012"
              },
              "type": "message"
            }
          ]
        },
        {
          "messages": [
            {
              "from": {
                "activity_id": "1707514178726476738",
                "activity_name": "clanguml::t20034::D::d2()",
                "participant_id": "272777525372220260"
              },
              "name": "c1()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 9,
                "file": "../../tests/t20034/t20034.cc",
                "line": 47,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "148530508384958711",
                "activity_name": "clanguml::t20034::C::c1()",
                "participant_id": "2153793652884753477"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "148530508384958711",
                "activity_name": "clanguml::t20034::C::c1()",
                "participant_id": "2153793652884753477"
              },
              "name": "b1()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 17,
                "file": "../../tests/t20034/t20034.cc",
                "line": 28,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "289899516984058785",
                "activity_name": "clanguml::t20034::B::b1()",
                "participant_id": "1214895773389400008"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "289899516984058785",
                "activity_name": "clanguml::t20034::B::b1()",
                "participant_id": "1214895773389400008"
              },
              "name": "a2()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 9,
                "file": "../../tests/t20034/t20034.cc",
                "line": 16,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1307188853155365430",
                "activity_name": "clanguml::t20034::A::a2()",
                "participant_id": "1029414747563549012"
              },
              "type": "message"
            }
          ]
        },
        {
          "messages": [
            {
              "from": {
                "activity_id": "1707514178726476738",
                "activity_name": "clanguml::t20034::D::d2()",
                "participant_id": "272777525372220260"
              },
              "name": "c4()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 9,
                "file": "../../tests/t20034/t20034.cc",
                "line": 53,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "395720534444062628",
                "activity_name": "clanguml::t20034::C::c4()",
                "participant_id": "2153793652884753477"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "395720534444062628",
                "activity_name": "clanguml::t20034::C::c4()",
                "participant_id": "2153793652884753477"
              },
              "name": "b4()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 17,
                "file": "../../tests/t20034/t20034.cc",
                "line": 38,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1774155279072101253",
                "activity_name": "clanguml::t20034::B::b4()",
                "participant_id": "1214895773389400008"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "1774155279072101253",
                "activity_name": "clanguml::t20034::B::b4()",
                "participant_id": "1214895773389400008"
              },
              "name": "b2()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 5,
                "file": "../../tests/t20034/t20034.cc",
                "line": 67,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1034410188120190919",
                "activity_name": "clanguml::t20034::B::b2()",
                "participant_id": "1214895773389400008"
              },
              "type": "message"
            },
            {
              "from": {
                "activity_id": "1034410188120190919",
                "activity_name": "clanguml::t20034::B::b2()",
                "participant_id": "1214895773389400008"
              },
              "name": "a2()",
              "return_type": "void",
              "scope": "normal",
              "source_location": {
                "column": 17,
                "file": "../../tests/t20034/t20034.cc",
                "line": 18,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1307188853155365430",
                "activity_name": "clanguml::t20034::A::a2()",
                "participant_id": "1029414747563549012"
              },
              "type": "message"
            }
          ]
        },
        {
          "messages": [
            {
              "from": {
                "activity_id": "1707514178726476738",
                "activity_name": "clanguml::t20034::D::d2()",
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              },
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              "return_type": "void",
              "scope": "normal",
              "source_location": {
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                "file": "../../tests/t20034/t20034.cc",
                "line": 48,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
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                "activity_name": "clanguml::t20034::A::a2()",
                "participant_id": "1029414747563549012"
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        {
          "messages": [
            {
              "from": {
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                "activity_name": "clanguml::t20034::D::d2()",
                "participant_id": "272777525372220260"
              },
              "name": "operator()()",
              "return_type": "",
              "scope": "normal",
              "source_location": {
                "column": 9,
                "file": "../../tests/t20034/t20034.cc",
                "line": 56,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1451310025762012403",
                "activity_name": "clanguml::t20034::D::d2()##(lambda ../../tests/t20034/t20034.cc:55:18)::operator()()",
                "participant_id": "1130194784812080848"
              },
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            {
              "from": {
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                "participant_id": "1130194784812080848"
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              "name": "a2()",
              "return_type": "void",
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              "source_location": {
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                "file": "../../tests/t20034/t20034.cc",
                "line": 55,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
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                "participant_id": "1029414747563549012"
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          ]
        },
        {
          "messages": [
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              },
              "name": "c2()",
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              "source_location": {
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                "file": "../../tests/t20034/t20034.cc",
                "line": 49,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
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              "name": "b2()",
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                "file": "../../tests/t20034/t20034.cc",
                "line": 29,
                "translation_unit": "../../tests/t20034/t20034.cc"
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                "participant_id": "1214895773389400008"
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                "activity_name": "clanguml::t20034::B::b2()",
                "participant_id": "1214895773389400008"
              },
              "name": "a2()",
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              "scope": "normal",
              "source_location": {
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                "file": "../../tests/t20034/t20034.cc",
                "line": 18,
                "translation_unit": "../../tests/t20034/t20034.cc"
              },
              "to": {
                "activity_id": "1307188853155365430",
                "activity_name": "clanguml::t20034::A::a2()",
                "participant_id": "1029414747563549012"
              },
              "type": "message"
            }
          ]
        }
      ]
    }
  ],
  "using_namespace": "clanguml::t20034"
}
```