picrin/extlib/benz/include/picrin/proc.h

60 lines
1.3 KiB
C

/**
* See Copyright Notice in picrin.h
*/
#ifndef PICRIN_PROC_H
#define PICRIN_PROC_H
#if defined(__cplusplus)
extern "C" {
#endif
struct pic_context {
PIC_OBJECT_HEADER
pic_value *regs;
int regc;
struct pic_context *up;
pic_value storage[1];
};
struct pic_proc {
PIC_OBJECT_HEADER
enum {
PIC_PROC_TAG_IREP,
PIC_PROC_TAG_FUNC
} tag;
union {
struct {
pic_func_t func;
struct pic_dict *env;
} f;
struct {
struct pic_irep *irep;
struct pic_context *cxt;
} i;
} u;
};
#define pic_proc_func_p(proc) ((proc)->tag == PIC_PROC_TAG_FUNC)
#define pic_proc_irep_p(proc) ((proc)->tag == PIC_PROC_TAG_IREP)
#define pic_proc_p(o) (pic_type(o) == PIC_TT_PROC)
#define pic_proc_ptr(o) ((struct pic_proc *)pic_ptr(o))
#define pic_context_p(o) (pic_type(o) == PIC_TT_CXT)
#define pic_context_ptr(o) ((struct pic_context *)pic_ptr(o))
struct pic_proc *pic_make_proc(pic_state *, pic_func_t);
struct pic_proc *pic_make_proc_irep(pic_state *, struct pic_irep *, struct pic_context *);
struct pic_dict *pic_proc_env(pic_state *, struct pic_proc *);
bool pic_proc_env_has(pic_state *, struct pic_proc *, const char *);
pic_value pic_proc_env_ref(pic_state *, struct pic_proc *, const char *);
void pic_proc_env_set(pic_state *, struct pic_proc *, const char *, pic_value);
#if defined(__cplusplus)
}
#endif
#endif