code.kerkeslager.com Git - fur/blob - c/environment.h

   1 #ifndef ENVIRONMENT_H
   2 #define ENVIRONMENT_H
   3
   4 #include <stdbool.h>
   5 #include "symbol.h"
   6 #include "object.h"
   7
   8 struct Environment;
   9 typedef struct Environment Environment;
  10
  11 Environment* Environment_create(Environment*);
  12
  13 struct EnvironmentGetResult;
  14 typedef struct EnvironmentGetResult EnvironmentGetResult;
  15 struct EnvironmentGetResult {
  16   bool found;
  17   Object* value;
  18 };
  19
  20 EnvironmentGetResult Environment_get(Environment*, Symbol*);
  21 bool Environment_set(Environment*, Symbol*, Object*);
  22
  23 #endif