parser : ajout fonction parse_backslash

src/parser.rs

@@ -16,6 +16,16 @@ fn parse_quote(characters: &mut Vec<char>) -> String {
     quoted
 }
 
+fn parse_backslash(characters: &mut Vec<char>) -> Option<char> {
+    let mut escaped_char: Option<char> = None;
+
+    if !characters.is_empty() {
+        escaped_char = Some(characters.pop().unwrap());
+    }
+
+    escaped_char
+}
+
 fn parse_main(characters: &mut Vec<char>, current_arg: &mut String) -> Vec<String> {
     if characters.is_empty() {
         vec![]
@@ -32,7 +42,12 @@ fn parse_main(characters: &mut Vec<char>, current_arg: &mut String) -> Vec<Strin
                 parse_main(characters, current_arg)
             }
         } else if current_char == '\\' {
-            current_arg.push(characters.pop().unwrap());
+            let escaped_char = parse_backslash(characters);
+
+            if escaped_char.is_some() {
+                current_arg.push(escaped_char.unwrap());
+            }
+
             parse_main(characters, current_arg)
         } else if current_char == '\'' {
             current_arg.push_str(parse_quote(characters).as_str());