初始提交，未完全测试

2026-02-27 14:37:10 +08:00
parent 76c0f469be
commit e270f02073
68 changed files with 5886 additions and 0 deletions
--- a/template/expr/ast/Compare.py
+++ b/template/expr/ast/Compare.py
@@ -0,0 +1,138 @@
+#!/usr/bin/env python3.9
+# -*- coding: utf-8 -*-
+"""
+JFinal Compare - Comparison Expression
+"""
+
+from .Expr import Expr
+
+class Compare(Expr):
+    """Comparison expression"""
+    
+    EQ = "=="
+    NE = "!="
+    GT = ">"
+    GTE = ">="
+    LT = "<"
+    LTE = "<="
+    
+    def __init__(self, left: Expr, operator: str, right: Expr):
+        """
+        Initialize comparison
+        
+        Args:
+            left: Left expression
+            operator: Comparison operator
+            right: Right expression
+        """
+        self._left = left
+        self._operator = operator
+        self._right = right
+    
+    def eval(self, scope):
+        """Evaluate comparison"""
+        left_val = self._left.eval(scope)
+        right_val = self._right.eval(scope)
+        
+        # Handle None comparisons
+        if left_val is None and right_val is None:
+            return self._operator == Compare.EQ
+        if left_val is None or right_val is None:
+            return self._operator == Compare.NE
+        
+        # Perform comparison based on operator
+        if self._operator == Compare.EQ:
+            return left_val == right_val
+        elif self._operator == Compare.NE:
+            return left_val != right_val
+        elif self._operator == Compare.GT:
+            return left_val > right_val
+        elif self._operator == Compare.GTE:
+            return left_val >= right_val
+        elif self._operator == Compare.LT:
+            return left_val < right_val
+        elif self._operator == Compare.LTE:
+            return left_val <= right_val
+        else:
+            raise ValueError(f"Unknown operator: {self._operator}")
+    
+    @property
+    def operator(self) -> str:
+        """Get operator"""
+        return self._operator
+    
+    def __repr__(self) -> str:
+        return f"Compare({self._left} {self._operator} {self._right})"
+
+
+class Logic(Expr):
+    """Logical expression (and, or, not)"""
+    
+    AND = "&&"
+    OR = "||"
+    NOT = "!"
+    
+    def __init__(self, operator: str, *expressions: Expr):
+        """
+        Initialize logical expression
+        
+        Args:
+            operator: Logical operator
+            expressions: Expressions to operate on
+        """
+        self._operator = operator
+        self._expressions = expressions
+    
+    def eval(self, scope):
+        """Evaluate logical expression"""
+        if self._operator == Logic.NOT:
+            # Unary NOT
+            if not self._expressions:
+                return True
+            return not self._expressions[0].eval(scope)
+        else:
+            # Binary AND/OR
+            results = [expr.eval(scope) for expr in self._expressions]
+            
+            if self._operator == Logic.AND:
+                return all(results)
+            elif self._operator == Logic.OR:
+                return any(results)
+            else:
+                raise ValueError(f"Unknown operator: {self._operator}")
+    
+    def __repr__(self) -> str:
+        expr_str = f" {self._operator} ".join(str(expr) for expr in self._expressions)
+        if self._operator == Logic.NOT:
+            return f"NOT({expr_str})"
+        return f"({expr_str})"
+
+
+class Ternary(Expr):
+    """Ternary conditional expression (condition ? true_val : false_val)"""
+    
+    def __init__(self, condition: Expr, true_expr: Expr, false_expr: Expr):
+        """
+        Initialize ternary expression
+        
+        Args:
+            condition: Condition expression
+            true_expr: Expression when condition is true
+            false_expr: Expression when condition is false
+        """
+        self._condition = condition
+        self._true_expr = true_expr
+        self._false_expr = false_expr
+    
+    def eval(self, scope):
+        """Evaluate ternary expression"""
+        cond_val = self._condition.eval(scope)
+        
+        # Convert to boolean (handle None, 0, empty strings, etc.)
+        if cond_val:
+            return self._true_expr.eval(scope)
+        else:
+            return self._false_expr.eval(scope)
+    
+    def __repr__(self) -> str:
+        return f"Ternary({self._condition} ? {self._true_expr} : {self._false_expr})"