code_analyzer/presentation.md

---
title:
- "Analyse d'un programme"
author:
- "Volodymyr Patuta"
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date:
- "Janvier 2022"
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---

# Programme

Dans quel sens un "programme" ?

# Exemple d'un programme

## Neovim

```sh
$ fd --extension c . 'neovim/' | wc -l
174
```

# Exemple d'un programme

## Neovim

```sh
$ fd --extension c . 'neovim/' | wc -l
174

$ wc `fd --extension c . 'neovim/'` -l
 ...
 300347 total
```
# Parsing

## Regex
```
^(\**\w+\s+?\ ?){1,}\([^!@#$+%^]+?\)\s+

([a-zA-Z_0-9]+)\(.*\)
```

# Recherche des CC

Un algo ?

# Recherche des CC

* call
* vu

# Recherche des cycles

# Recherche des cycles

\tiny
## Exemple d'un cycle

```c
void bar(void)
{
	toto(1, 1);
}

int foo(void)
{
	hello();
	bar();
	return 1;
}

int toto(int a, int b)
{
	if (a != 1)
		foo();
	else
		aurevoir();
	return a + b;
}
```
\normalsize

# Recherche des cycles

![](cycle1.png)

# Recherche des cycles

![](cycle2.png)

# Recherche des cycles

![](cycle3.png)

# Fin

|**Demo**|
|:------:|