Initial Commit

lenv.h

@@ -0,0 +1,49 @@
+/* 
+ * File:   lenv.h
+ * Author: sam
+ *
+ * Created on 18 May 2014, 21:36
+ */
+
+#ifndef LENV_H
+#define	LENV_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+    
+    struct lenv;
+    typedef struct lenv lenv;
+    
+    struct symtab;
+    typedef struct symtab symtab;
+
+    struct symtab {
+        char* sym;
+        lval* lval;
+    };
+    
+    struct lenv {
+        size_t count;
+        struct symtab** syms;
+    };
+
+    lenv* lenv_new();
+    void lenv_delete(lenv* env);
+    
+    int lenv_compare_symtabs(const void *a, const void *b);
+    void lenv_sort(lenv* env);
+    symtab* lenv_search(lenv* env, char* sym);
+    
+    lval* lenv_get(lenv* env, lval* sym);
+    void lenv_put(lenv* env, lval* key, lval* val);
+    
+    symtab* symtab_new(char* sym, lval* lval);
+    void symtab_delete(symtab* symtab);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* LENV_H */
+