t20026 - Virtual method call sequence diagram test case

Config

diagrams:
  t20026_sequence:
    type: sequence
    glob:
      - t20026.cc
    include:
      namespaces:
        - clanguml::t20026
    using_namespace: clanguml::t20026
    from:
      - function: "clanguml::t20026::tmain()"

Source code

File tests/t20026/t20026.cc

namespace clanguml {
namespace t20026 {
 
struct A {
    virtual void a() { }
};
 
struct B : public A {
    void a() override { }
};
 
struct C : public B {
    void a() override { }
};
 
int tmain()
{
    C *a{};
 
    dynamic_cast<A *>(a)->a();
 
    return 0;
}
}
}

Generated PlantUML diagrams

Generated Mermaid diagrams

Generated JSON models

{
  "diagram_type": "sequence",
  "name": "t20026_sequence",
  "participants": [
    {
      "display_name": "tmain()",
      "full_name": "clanguml::t20026::tmain()",
      "id": "18149578802463976326",
      "name": "tmain",
      "namespace": "clanguml::t20026",
      "source_location": {
        "column": 5,
        "file": "t20026.cc",
        "line": 16,
        "translation_unit": "t20026.cc"
      },
      "type": "function"
    },
    {
      "activities": [
        {
          "display_name": "a()",
          "full_name": "clanguml::t20026::A::a()",
          "id": "4804726163345182918",
          "name": "a",
          "namespace": "clanguml::t20026",
          "source_location": {
            "column": 18,
            "file": "t20026.cc",
            "line": 5,
            "translation_unit": "t20026.cc"
          },
          "type": "method"
        }
      ],
      "display_name": "A",
      "full_name": "clanguml::t20026::A",
      "id": "15696974590826335197",
      "name": "A",
      "namespace": "clanguml::t20026",
      "source_location": {
        "column": 8,
        "file": "t20026.cc",
        "line": 4,
        "translation_unit": "t20026.cc"
      },
      "type": "class"
    }
  ],
  "sequences": [
    {
      "messages": [
        {
          "from": {
            "activity_id": "18149578802463976326",
            "participant_id": "18149578802463976326"
          },
          "name": "a()",
          "return_type": "void",
          "scope": "normal",
          "source_location": {
            "column": 5,
            "file": "t20026.cc",
            "line": 20,
            "translation_unit": "t20026.cc"
          },
          "to": {
            "activity_id": "4804726163345182918",
            "participant_id": "15696974590826335197"
          },
          "type": "message"
        }
      ],
      "start_from": {
        "id": "18149578802463976326",
        "location": "clanguml::t20026::tmain()"
      }
    }
  ],
  "using_namespace": "clanguml::t20026"
}