Diff: variable.h

Revision:

0:1a89e28dea91

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/variable.h	Wed May 30 21:13:01 2012 +0000
@@ -0,0 +1,63 @@
+#ifndef VARIABLE_H
+#define VARIABLE_H
+
+//#include "vm.h"
+
+enum VarType {
+    VAR_NIL,
+    VAR_INT,
+    VAR_FLT,
+    VAR_BOOL,
+    VAR_STR,
+    VAR_FNC,
+    VAR_LST,
+    VAR_MAP,
+    VAR_ERR,
+    VAR_C,
+};    
+
+typedef struct Context *context_p; // forward declaration
+typedef void(bridge)(context_p context);
+
+struct variable {
+    const struct byte_array* name;
+    enum VarType type;
+    uint8_t marked;
+    union {
+        struct byte_array* str;
+        struct array *list;
+        int32_t integer;
+        float floater;
+        bool boolean;
+        void(*cfnc)(context_p); // i.e., bridge
+    };
+    struct map *map;
+};
+
+struct variable* variable_new(struct Context *context, enum VarType type);
+void variable_del(struct Context *context, struct variable *v);
+struct byte_array* variable_value(struct Context *context, const struct variable* v);
+const char* variable_value_str(struct Context *context, const struct variable* v);
+struct byte_array *variable_serialize(struct Context *context, struct byte_array *bits,
+                                      const struct variable *in);
+struct variable *variable_deserialize(struct Context *context, struct byte_array *str);
+extern int variable_save(struct Context *context, const struct variable* v, const struct variable* path);
+extern struct variable *variable_load(struct Context *context, const struct variable* path);
+
+struct variable* variable_new_bool(struct Context *context, bool b);
+struct variable *variable_new_err(struct Context *context, const char* message);
+struct variable *variable_new_c(struct Context *context, bridge *cfnc);
+struct variable *variable_new_int(struct Context *context, int32_t i);
+struct variable *variable_new_nil(struct Context *context);
+struct variable *variable_new_map(struct Context *context, struct map *map);
+struct variable *variable_new_float(struct Context *context, float f);
+struct variable *variable_new_str(struct Context *context, struct byte_array *str);
+struct variable *variable_new_fnc(struct Context *context, struct byte_array *fnc);
+struct variable *variable_new_list(struct Context *context, struct array *list);
+struct variable* variable_copy(struct Context *context, const struct variable* v);
+struct variable *variable_pop(struct Context *context);
+void variable_push(struct Context *context, struct variable *v);
+
+const char *var_type_str(enum VarType vt);
+
+#endif // VARIABLE_H