0.5.4
C++ to UML diagram generator based on Clang
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t20020 - If statement sequence diagram test case

Config

diagrams:
t20020_sequence:
type: sequence
glob:
- t20020.cc
include:
namespaces:
- clanguml::t20020
using_namespace: clanguml::t20020
from:
- function: "clanguml::t20020::tmain()"

Source code

File tests/t20020/t20020.cc

#include <cmath>
#include <cstdint>
namespace clanguml {
namespace t20020 {
struct A {
int a1() { return 0; }
int a2() { return 1; }
int a3() { return 2; }
int a4() { return 3; }
int a5() { return 4; }
};
struct B {
void log() { }
int b1() { return 3; }
int b2() { return 4; }
};
struct C {
void log() const { }
void c1() const
{
if (c2())
log();
}
bool c2() const { return true; }
int c3(int x) { return x * 2; }
};
template <typename T> struct D {
T d1(T x, T y) { return x + y; }
};
int tmain()
{
A a;
B b;
C c;
D<int> d;
int result{0};
if (reinterpret_cast<uint64_t>(&a) % 100 == 0ULL) {
result = a.a1();
}
else if (reinterpret_cast<uint64_t>(&a) % 100 == 42ULL) {
result = a.a5();
}
else if (reinterpret_cast<uint64_t>(&a) % 64 == 0ULL) {
if (c.c3(a.a2()) > 2)
result = b.b1();
else if (a.a3() % 2)
result = b.b2();
else
result = 0;
}
else {
result = a.a4();
}
b.log();
if (true)
c.c1();
if (true)
d.d1(1, 1);
// This if/else should not be included in the diagram at all
// as the calls to std will be excluded by the diagram filters
if (result != 2) {
result = std::exp(result);
}
else if (result == 3) {
result = 4;
}
else {
result = std::exp(result + 1);
}
return result;
}
}
}

Generated PlantUML diagrams

Generated Mermaid diagrams

Generated JSON models

{
"diagram_type": "sequence",
"name": "t20020_sequence",
"participants": [
{
"display_name": "tmain()",
"full_name": "clanguml::t20020::tmain()",
"id": "3456995108499205319",
"name": "tmain",
"namespace": "clanguml::t20020",
"source_location": {
"column": 5,
"file": "t20020.cc",
"line": 40,
"translation_unit": "t20020.cc"
},
"type": "function"
},
{
"activities": [
{
"display_name": "a1()",
"full_name": "clanguml::t20020::A::a1()",
"id": "351429406124277608",
"name": "a1",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 7,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "a5()",
"full_name": "clanguml::t20020::A::a5()",
"id": "12907657969785462610",
"name": "a5",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 11,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "a2()",
"full_name": "clanguml::t20020::A::a2()",
"id": "10317962018325505121",
"name": "a2",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 8,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "a3()",
"full_name": "clanguml::t20020::A::a3()",
"id": "15869285436437359185",
"name": "a3",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 9,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "a4()",
"full_name": "clanguml::t20020::A::a4()",
"id": "164585591999830934",
"name": "a4",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 10,
"translation_unit": "t20020.cc"
},
"type": "method"
}
],
"display_name": "A",
"full_name": "clanguml::t20020::A",
"id": "1671534773191452877",
"name": "A",
"namespace": "clanguml::t20020",
"source_location": {
"column": 8,
"file": "t20020.cc",
"line": 6,
"translation_unit": "t20020.cc"
},
"type": "class"
},
{
"activities": [
{
"display_name": "c3(int)",
"full_name": "clanguml::t20020::C::c3(int)",
"id": "10427510278737569612",
"name": "c3",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 32,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "c1() const",
"full_name": "clanguml::t20020::C::c1() const",
"id": "11788172907238269228",
"name": "c1",
"namespace": "clanguml::t20020",
"source_location": {
"column": 10,
"file": "t20020.cc",
"line": 24,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "c2() const",
"full_name": "clanguml::t20020::C::c2() const",
"id": "14312931061803887318",
"name": "c2",
"namespace": "clanguml::t20020",
"source_location": {
"column": 10,
"file": "t20020.cc",
"line": 30,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "log() const",
"full_name": "clanguml::t20020::C::log() const",
"id": "5086244200172581365",
"name": "log",
"namespace": "clanguml::t20020",
"source_location": {
"column": 10,
"file": "t20020.cc",
"line": 22,
"translation_unit": "t20020.cc"
},
"type": "method"
}
],
"display_name": "C",
"full_name": "clanguml::t20020::C",
"id": "12499698455275243071",
"name": "C",
"namespace": "clanguml::t20020",
"source_location": {
"column": 8,
"file": "t20020.cc",
"line": 21,
"translation_unit": "t20020.cc"
},
"type": "class"
},
{
"activities": [
{
"display_name": "b1()",
"full_name": "clanguml::t20020::B::b1()",
"id": "4337572658684858744",
"name": "b1",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 17,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "b2()",
"full_name": "clanguml::t20020::B::b2()",
"id": "4046081895713433497",
"name": "b2",
"namespace": "clanguml::t20020",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 18,
"translation_unit": "t20020.cc"
},
"type": "method"
},
{
"display_name": "log()",
"full_name": "clanguml::t20020::B::log()",
"id": "11490006309633640210",
"name": "log",
"namespace": "clanguml::t20020",
"source_location": {
"column": 10,
"file": "t20020.cc",
"line": 15,
"translation_unit": "t20020.cc"
},
"type": "method"
}
],
"display_name": "B",
"full_name": "clanguml::t20020::B",
"id": "10740507868897363302",
"name": "B",
"namespace": "clanguml::t20020",
"source_location": {
"column": 8,
"file": "t20020.cc",
"line": 14,
"translation_unit": "t20020.cc"
},
"type": "class"
},
{
"activities": [
{
"display_name": "d1(int,int)",
"full_name": "clanguml::t20020::D<int>::d1(int,int)",
"id": "14240016080422742133",
"name": "d1",
"namespace": "clanguml::t20020",
"source_location": {
"column": 7,
"file": "t20020.cc",
"line": 37,
"translation_unit": "t20020.cc"
},
"type": "method"
}
],
"display_name": "D<int>",
"full_name": "clanguml::t20020::D<int>",
"id": "12847314485974494933",
"name": "D",
"namespace": "clanguml::t20020",
"source_location": {
"column": 30,
"file": "t20020.cc",
"line": 35,
"translation_unit": "t20020.cc"
},
"type": "class"
}
],
"sequences": [
{
"messages": [
{
"activity_id": "3456995108499205319",
"branches": [
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "a1()",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 18,
"file": "t20020.cc",
"line": 50,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "351429406124277608",
"participant_id": "1671534773191452877"
},
"type": "message"
}
],
"type": "consequent"
},
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "a5()",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 18,
"file": "t20020.cc",
"line": 53,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "12907657969785462610",
"participant_id": "1671534773191452877"
},
"type": "message"
}
],
"type": "alternative"
},
{
"messages": [
{
"activity_id": "3456995108499205319",
"branches": [
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "a2()",
"return_type": "int",
"scope": "condition",
"source_location": {
"column": 18,
"file": "t20020.cc",
"line": 56,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "10317962018325505121",
"participant_id": "1671534773191452877"
},
"type": "message"
},
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "c3(int)",
"return_type": "int",
"scope": "condition",
"source_location": {
"column": 13,
"file": "t20020.cc",
"line": 56,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "10427510278737569612",
"participant_id": "12499698455275243071"
},
"type": "message"
},
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "b1()",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 22,
"file": "t20020.cc",
"line": 57,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "4337572658684858744",
"participant_id": "10740507868897363302"
},
"type": "message"
}
],
"type": "consequent"
},
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "a3()",
"return_type": "int",
"scope": "condition",
"source_location": {
"column": 18,
"file": "t20020.cc",
"line": 58,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "15869285436437359185",
"participant_id": "1671534773191452877"
},
"type": "message"
},
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "b2()",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 22,
"file": "t20020.cc",
"line": 59,
"translation_unit": "t20020.cc"
},
"to": {
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"participant_id": "10740507868897363302"
},
"type": "message"
}
],
"type": "alternative"
}
],
"name": "if",
"type": "alt"
}
],
"type": "alternative"
},
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "a4()",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 18,
"file": "t20020.cc",
"line": 64,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "164585591999830934",
"participant_id": "1671534773191452877"
},
"type": "message"
}
],
"type": "alternative"
}
],
"name": "if",
"type": "alt"
},
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "log()",
"return_type": "void",
"scope": "normal",
"source_location": {
"column": 5,
"file": "t20020.cc",
"line": 67,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "11490006309633640210",
"participant_id": "10740507868897363302"
},
"type": "message"
},
{
"activity_id": "3456995108499205319",
"branches": [
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "c1() const",
"return_type": "void",
"scope": "normal",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 70,
"translation_unit": "t20020.cc"
},
"to": {
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},
"type": "message"
},
{
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"branches": [
{
"messages": [
{
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},
"name": "c2() const",
"return_type": "bool",
"scope": "condition",
"source_location": {
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"file": "t20020.cc",
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"translation_unit": "t20020.cc"
},
"to": {
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},
"type": "message"
},
{
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},
"name": "log() const",
"return_type": "void",
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"source_location": {
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"file": "t20020.cc",
"line": 27,
"translation_unit": "t20020.cc"
},
"to": {
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},
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}
],
"type": "consequent"
}
],
"name": "if",
"type": "alt"
}
],
"type": "consequent"
}
],
"name": "if",
"type": "alt"
},
{
"activity_id": "3456995108499205319",
"branches": [
{
"messages": [
{
"from": {
"activity_id": "3456995108499205319",
"participant_id": "3456995108499205319"
},
"name": "d1(int,int)",
"return_type": "int",
"scope": "normal",
"source_location": {
"column": 9,
"file": "t20020.cc",
"line": 73,
"translation_unit": "t20020.cc"
},
"to": {
"activity_id": "14240016080422742133",
"participant_id": "12847314485974494933"
},
"type": "message"
}
],
"type": "consequent"
}
],
"name": "if",
"type": "alt"
}
],
"start_from": {
"id": "3456995108499205319",
"location": "clanguml::t20020::tmain()"
}
}
],
"using_namespace": "clanguml::t20020"
}
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