抽象

src/Reader/ReaderInterface.php

@@ -21,6 +21,7 @@ abstract class ReaderInterface
     protected $currentPosition = 0;
     protected $currentLinePosition = 0;
     protected $nextPosition = 0;
+    protected $currentToken = "";
 
     /**
      * 获取下一个字符
@@ -30,14 +31,6 @@ abstract class ReaderInterface
      */
     abstract public function getNextChar(): string;
 
-    /**
-     * 获取当前识别符
-     * @return string
-     * @author Jerry Yan <792602257@qq.com>
-     * @date 2020/12/18 12:06
-     */
-    abstract public function getCurrentToken(): string;
-
     /**
      * 获取下一个识别符
      * @return string
@@ -93,4 +86,17 @@ abstract class ReaderInterface
     {
         $this->reset();
     }
+
+    public function getCurrentPosition(): int
+    {
+        return $this->currentPosition;
+    }
+    public function getNextPosition(): int
+    {
+        return $this->nextPosition;
+    }
+    public function getCurrentToken(): string
+    {
+        return $this->currentToken;
+    }
 }