#ifndef RUNTIME_SCOPE_H_
#define RUNTIME_SCOPE_H_

#include "var-map.h"

#include <bshell/runtime/script-block.h>
#include <fx/collections/hashtable.h>
#include <fx/namemap.h>
#include <fx/queue.h>
#include <fx/vector.h>

struct bshell_runtime;

enum bshell_runtime_scope_type {
	RUNTIME_SCOPE_OTHER = 0,
	RUNTIME_SCOPE_SCRIPT,
	RUNTIME_SCOPE_GLOBAL,
};

struct bshell_runtime_scope {
	enum bshell_runtime_scope_type s_type;
	fx_queue_entry s_entry;
	struct var_map s_vars;
	fx_hashtable *s_functions;
	FX_VECTOR_DECLARE(fx_value, s_stack);
	size_t s_ip;

	bshell_scriptblock *s_block;
	bshell_instruction *s_instr;
	size_t s_nr_instr;
	fx_value *s_pool;
	size_t s_nr_pool;
};

extern struct bshell_runtime_scope *runtime_push_scope(
	struct bshell_runtime *rt,
	enum bshell_runtime_scope_type type,
	bshell_scriptblock *block);
extern void runtime_pop_scope(struct bshell_runtime *rt);
extern struct bshell_runtime_scope *runtime_get_scope(
	struct bshell_runtime *rt);

extern void bshell_runtime_scope_push_value(
	struct bshell_runtime_scope *scope,
	const fx_value *value);
extern fx_value bshell_runtime_scope_pop_value(
	struct bshell_runtime_scope *scope);

extern void bshell_runtime_scope_set_block(
	struct bshell_runtime_scope *scope,
	bshell_scriptblock *block);

#endif