make env opaque

1 files changed, 7 insertions, 12 deletions

diff --git a/src/env.h b/src/env.h
index 6f3e169..a233a09 100644
--- a/src/env.h
+++ b/src/env.h
@@ -4,24 +4,19 @@
 // #include "value.h"
 typedef struct value * _value_t;
 
-#include "hashtable.h"
-
-typedef struct symbol_table *env_t;
+typedef struct env * env_t;
 #define ENV_EMPTY NULL
 
 typedef void (*env_destroy_func)(char *key, _value_t value);
 
-struct symbol_table {
-    hashtable_t table;
-
-    struct symbol_table *parent;
-    size_t refs;
+env_t env_create(env_t parent, env_destroy_func destroy_func);
+void env_destroy(env_t env);
 
-    env_destroy_func destroy_func;
-};
+int env_insert(env_t env, char *key, _value_t data,
+                     char **prevkey, _value_t *prevdata);
+int env_query(env_t env, char *key, _value_t *data);
 
-env_t env_create(env_t parent, env_destroy_func destroy_func);
 env_t env_copy(env_t env);
-void env_destroy(env_t env);
+env_t env_parent(env_t env);
 
 #endif