feat(docstring): 添加PEP8规范的Docstring

1 files changed, 49 insertions, 0 deletions

diff --git a/src/psi/interpreter.py b/src/psi/interpreter.py
index f98a777..8aa8fad 100644
--- a/src/psi/interpreter.py
+++ b/src/psi/interpreter.py
@@ -4,13 +4,53 @@ from psi.lexer import Token
 __all__ = ['Interpreter']
 
 class Interpreter:
+    """
+    A class representing an interpreter for Psi code.
+
+    Args:
+        ast: The abstract syntax tree (AST) of the code to be interpreted.
+
+    Returns:
+        None
+
+    Example:
+        ```python
+        interpreter = Interpreter(ast)
+        interpreter.interpret()
+        ```
+    """
+
     def __init__(self, ast):
+        """
+        Initializes an Interpreter object.
+
+        Args:
+            ast: The abstract syntax tree (AST) of the code to be interpreted.
+
+        Returns:
+            None
+        """
         self.ast = ast
 
     def interpret(self):
+        """
+        Interprets the code represented by the AST.
+
+        Returns:
+            The result of the interpretation.
+        """
         return self.interpret_expr(self.ast)
 
     def interpret_expr(self, node):
+        """
+        Interprets an expression node in the AST.
+
+        Args:
+            node: The expression node to be interpreted.
+
+        Returns:
+            The result of the interpretation.
+        """
         if isinstance(node, Token):
             return node.value
         elif isinstance(node, list):
@@ -20,6 +60,15 @@ class Interpreter:
                     return result
 
     def interpret_condition(self, node):
+        """
+        Interprets a condition node in the AST.
+
+        Args:
+            node: The condition node to be interpreted.
+
+        Returns:
+            The result of the interpretation.
+        """
         variable = self.interpret_expr(node[0])
         value = self.interpret_expr(node[2])