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/*
** mruby/proc.h - Proc class
**
** See Copyright Notice in mruby.h
*/
#ifndef MRUBY_PROC_H
#define MRUBY_PROC_H
#include "common.h"
#include <mruby/irep.h>
/**
* Proc class
*/
MRB_BEGIN_DECL
struct REnv {
MRB_OBJECT_HEADER;
mrb_value *stack;
ptrdiff_t cioff;
union {
mrb_sym mid;
struct mrb_context *c;
} cxt;
};
#define MRB_SET_ENV_STACK_LEN(e,len) (e)->flags = (unsigned int)(len)
#define MRB_ENV_STACK_LEN(e) ((mrb_int)(e)->flags)
#define MRB_ENV_UNSHARE_STACK(e) ((e)->cioff = -1)
#define MRB_ENV_STACK_SHARED_P(e) ((e)->cioff >= 0)
MRB_API void mrb_env_unshare(mrb_state*, struct REnv*);
struct RProc {
MRB_OBJECT_HEADER;
union {
mrb_irep *irep;
mrb_func_t func;
} body;
struct RClass *target_class;
struct REnv *env;
};
/* aspec access */
#define MRB_ASPEC_REQ(a) (((a) >> 18) & 0x1f)
#define MRB_ASPEC_OPT(a) (((a) >> 13) & 0x1f)
#define MRB_ASPEC_REST(a) (((a) >> 12) & 0x1)
#define MRB_ASPEC_POST(a) (((a) >> 7) & 0x1f)
#define MRB_ASPEC_KEY(a) (((a) >> 2) & 0x1f)
#define MRB_ASPEC_KDICT(a) ((a) & (1<<1))
#define MRB_ASPEC_BLOCK(a) ((a) & 1)
#define MRB_PROC_CFUNC 128
#define MRB_PROC_CFUNC_P(p) (((p)->flags & MRB_PROC_CFUNC) != 0)
#define MRB_PROC_STRICT 256
#define MRB_PROC_STRICT_P(p) (((p)->flags & MRB_PROC_STRICT) != 0)
#define MRB_PROC_ORPHAN 512
#define MRB_PROC_ORPHAN_P(p) (((p)->flags & MRB_PROC_ORPHAN) != 0)
#define mrb_proc_ptr(v) ((struct RProc*)(mrb_ptr(v)))
struct RProc *mrb_proc_new(mrb_state*, mrb_irep*);
struct RProc *mrb_closure_new(mrb_state*, mrb_irep*);
MRB_API struct RProc *mrb_proc_new_cfunc(mrb_state*, mrb_func_t);
MRB_API struct RProc *mrb_closure_new_cfunc(mrb_state *mrb, mrb_func_t func, int nlocals);
void mrb_proc_copy(struct RProc *a, struct RProc *b);
/* implementation of #send method */
MRB_API mrb_value mrb_f_send(mrb_state *mrb, mrb_value self);
/* following functions are defined in mruby-proc-ext so please include it when using */
MRB_API struct RProc *mrb_proc_new_cfunc_with_env(mrb_state*, mrb_func_t, mrb_int, const mrb_value*);
MRB_API mrb_value mrb_proc_cfunc_env_get(mrb_state*, mrb_int);
/* old name */
#define mrb_cfunc_env_get(mrb, idx) mrb_proc_cfunc_env_get(mrb, idx)
#include <mruby/khash.h>
KHASH_DECLARE(mt, mrb_sym, struct RProc*, TRUE)
MRB_END_DECL
#endif /* MRUBY_PROC_H */
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