MRB_FIBER_CREATED = 0,

MRB_FIBER_RUNNING,

MRB_FIBER_RESUMED,

MRB_FIBER_SUSPENDED,

MRB_FIBER_TRANSFERRED,

MRB_FIBER_TERMINATED,

struct mrb_context *prev;

mrb_value *stack; /* stack of virtual machine */

mrb_value *stbase, *stend;

mrb_callinfo *ci;

mrb_callinfo *cibase, *ciend;

uint16_t *rescue; /* exception handler stack */

uint16_t rsize;

struct RProc **ensure; /* ensure handler stack */

uint16_t esize, eidx;

enum mrb_fiber_state status : 4;

mrb_bool vmexec : 1;

struct RFiber *fib;

struct RClass *c, *c0;

mrb_sym mid;

mrb_method_t m;

struct mrb_jmpbuf *jmp;

mrb_allocf allocf; /* memory allocation function */

void *allocf_ud; /* auxiliary data of allocf */

struct mrb_context *c;

struct mrb_context *root_c;

struct iv_tbl *globals; /* global variable table */

struct RObject *exc; /* exception */

struct RObject *top_self;

struct RClass *object_class; /* Object class */

struct RClass *class_class;

struct RClass *module_class;

struct RClass *proc_class;

struct RClass *string_class;

struct RClass *array_class;

struct RClass *hash_class;

struct RClass *range_class;

#ifndef MRB_WITHOUT_FLOAT

struct RClass *float_class;

#endif

struct RClass *fixnum_class;

struct RClass *true_class;

struct RClass *false_class;

struct RClass *nil_class;

struct RClass *symbol_class;

struct RClass *kernel_module;

mrb_gc gc;

#ifdef MRB_METHOD_CACHE

struct mrb_cache_entry cache[MRB_METHOD_CACHE_SIZE];

#endif

mrb_sym symidx;

struct symbol_name *symtbl; /* symbol table */

mrb_sym symhash[256];

size_t symcapa;

#ifndef MRB_ENABLE_SYMBOLL_ALL

char symbuf[8]; /* buffer for small symbol names */

#endif

#ifdef MRB_ENABLE_DEBUG_HOOK

void (*code_fetch_hook)(struct mrb_state* mrb, struct mrb_irep *irep, const mrb_code *pc, mrb_value *regs);

void (*debug_op_hook)(struct mrb_state* mrb, struct mrb_irep *irep, const mrb_code *pc, mrb_value *regs);

#endif

#ifdef MRB_BYTECODE_DECODE_OPTION

mrb_code (*bytecode_decoder)(struct mrb_state* mrb, mrb_code code);

#endif

struct RClass *eException_class;

struct RClass *eStandardError_class;

struct RObject *nomem_err; /* pre-allocated NoMemoryError */

struct RObject *stack_err; /* pre-allocated SysStackError */

#ifdef MRB_GC_FIXED_ARENA

struct RObject *arena_err; /* pre-allocated arena overfow error */

#endif

void *ud; /* auxiliary data */

#ifdef MRB_FIXED_STATE_ATEXIT_STACK

mrb_atexit_func atexit_stack[MRB_FIXED_STATE_ATEXIT_STACK_SIZE];

#else

mrb_atexit_func *atexit_stack;

#endif

uint16_t atexit_stack_len;

uint16_t ecall_nest; /* prevent infinite recursive ecall() */

{

uint32_t num;

mrb_value *values;

const char *const *table;

uint32_t required;

mrb_value *rest;