[#155] != 연산자 토큰화 구현

myyrakle · Aug 16, 2024 · 289febc · 289febc
1 parent fde8061
commit 289febc
Show file tree

Hide file tree

Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/src/executor/initializer.rs b/src/executor/initializer.rs
@@ -132,6 +132,7 @@ impl Executor {
         self.check_output_status(output)
     }
 
+    #[allow(dead_code)]
     async fn write_and_check_err(
         &self,
         base_path: PathBuf,

diff --git a/src/lexer/tokenizer.rs b/src/lexer/tokenizer.rs
@@ -284,7 +284,19 @@ impl Tokenizer {
                 }
                 '+' => Token::Operator(OperatorToken::Plus),
                 '*' => Token::Operator(OperatorToken::Asterisk),
-                '!' => Token::Operator(OperatorToken::Not), // TODO: != 연산자 처리
+                '!' => {
+                    // 다음 문자가 =일 경우 != 연산자로 처리
+
+                    self.read_char();
+
+                    if self.last_char == '=' {
+                        Token::Operator(OperatorToken::Neq)
+                    } else {
+                        self.unread_char();
+
+                        Token::Operator(OperatorToken::Not)
+                    }
+                }
                 '=' => Token::Operator(OperatorToken::Eq),
                 '<' => Token::Operator(OperatorToken::Lt), // TODO: <= 연산자 처리
                 '>' => Token::Operator(OperatorToken::Gt), // TODO: >= 연산자 처리