From 6e6f7e83a16ec2125ab7911c1b401a9cbbc6b9cf Mon Sep 17 00:00:00 2001
From: ivin <uchenily@qq.com>
Date: Thu, 16 Nov 2023 06:31:24 +0800
Subject: [PATCH] Use singleton interpreter

---
 include/zero.hpp | 1 +
 src/zero.cpp     | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/zero.hpp b/include/zero.hpp
index 88f2528..ce6c126 100644
--- a/include/zero.hpp
+++ b/include/zero.hpp
@@ -21,6 +21,7 @@ class VM {
                        const std::string &reason);
 
 private:
+    static Interpreter interpreter;
     static bool has_parse_error;
     static bool has_runtime_error;
 };
diff --git a/src/zero.cpp b/src/zero.cpp
index 6fdad7d..e6cf91c 100644
--- a/src/zero.cpp
+++ b/src/zero.cpp
@@ -14,6 +14,8 @@
 #include <string>
 
 using namespace zero;
+// 全局解释器
+Interpreter VM::interpreter{};
 bool VM::has_parse_error = false;
 bool VM::has_runtime_error = false;
 
@@ -32,7 +34,7 @@ void VM::run(std::string source) {
 
     // 解释器
     // TODO: 暂时是每一次执行都新创建一个解释器, 在REPL模式下不能利用上下文
-    Interpreter interpreter{};
+    // Interpreter interpreter{};
     interpreter.interpret(statements);
 
     if (has_runtime_error) {