update

version3.0/nasal_runtime.h

@@ -0,0 +1,39 @@
+#ifndef __NASAL_RUNTIME_H__
+#define __NASAL_RUNTIME_H__
+
+class nasal_runtime
+{
+private:
+    nasal_ast root;
+    std::stack<int> function_position;
+    std::stack<int> running_stack;
+    std::stack<int> closure_stack;
+public:
+    nasal_runtime();
+    ~nasal_runtime();
+};
+
+nasal_runtime::nasal_runtime()
+{
+    root.clear();
+    while(!function_position.empty())
+        function_position.pop();
+    while(!running_stack.empty())
+        running_stack.pop();
+    while(!closure_stack.empty())
+        closure_stack.pop();
+    return;
+}
+nasal_runtime::~nasal_runtime()
+{
+    root.clear();
+    while(!function_position.empty())
+        function_position.pop();
+    while(!running_stack.empty())
+        running_stack.pop();
+    while(!closure_stack.empty())
+        closure_stack.pop();
+    return;
+}
+
+#endif