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** mruby - An embeddable Ruby implementation

** Copyright (c) mruby developers 2010-2015

** Permission is hereby granted, free of charge, to any person obtaining

** a copy of this software and associated documentation files (the

** "Software"), to deal in the Software without restriction, including

** without limitation the rights to use, copy, modify, merge, publish,

** distribute, sublicense, and/or sell copies of the Software, and to

** permit persons to whom the Software is furnished to do so, subject to

** the following conditions:

** The above copyright notice and this permission notice shall be

** included in all copies or substantial portions of the Software.

** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]

#ifndef MRUBY_H

#define MRUBY_H

#if defined(__cplusplus)

extern "C" {

#endif

#include <stdint.h>

#include <stddef.h>

#include <limits.h>

#include "mrbconf.h"

#include "mruby/value.h"

#include "mruby/version.h"

typedef uint32_t mrb_code;

typedef uint32_t mrb_aspec;

struct mrb_irep;

struct mrb_state;

typedef void* (*mrb_allocf) (struct mrb_state *mrb, void*, size_t, void *ud);

#ifndef MRB_GC_ARENA_SIZE

#define MRB_GC_ARENA_SIZE 100

#endif

#ifndef MRB_FIXED_STATE_ATEXIT_STACK_SIZE

#define MRB_FIXED_STATE_ATEXIT_STACK_SIZE 5

#endif

typedef struct {

mrb_sym mid;

struct RProc *proc;

mrb_value *stackent;

int nregs;

int ridx;

int eidx;

struct REnv *env;

mrb_code *pc; /* return address */

mrb_code *err; /* error position */

int argc;

int acc;

struct RClass *target_class;

} mrb_callinfo;

enum mrb_fiber_state {

MRB_FIBER_CREATED = 0,

MRB_FIBER_RUNNING,

MRB_FIBER_RESUMING,

MRB_FIBER_SUSPENDED,

MRB_FIBER_TRANSFERRED,

MRB_FIBER_TERMINATED,

};

struct mrb_context {

struct mrb_context *prev;

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

mrb_value *stbase, *stend;

mrb_callinfo *ci;

mrb_callinfo *cibase, *ciend;

mrb_code **rescue; /* exception handler stack */

int rsize;

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

int esize;

enum mrb_fiber_state status;

struct RFiber *fib;

};

enum gc_state {

GC_STATE_ROOT = 0,

GC_STATE_MARK,

GC_STATE_SWEEP

};

struct mrb_jmpbuf;

typedef void (*mrb_atexit_func)(struct mrb_state*);

typedef struct mrb_state {

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 RObject *exc; /* exception */

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

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 *float_class;

struct RClass *fixnum_class;

struct RClass *true_class;

struct RClass *false_class;

struct RClass *nil_class;

struct RClass *symbol_class;

struct RClass *kernel_module;

struct heap_page *heaps; /* heaps for GC */

struct heap_page *sweeps;

struct heap_page *free_heaps;

size_t live; /* count of live objects */

#ifdef MRB_GC_FIXED_ARENA

struct RBasic *arena[MRB_GC_ARENA_SIZE]; /* GC protection array */

#else

struct RBasic **arena; /* GC protection array */

int arena_capa;

#endif

int arena_idx;

enum gc_state gc_state; /* state of gc */

int current_white_part; /* make white object by white_part */

struct RBasic *gray_list; /* list of gray objects to be traversed incrementally */

struct RBasic *atomic_gray_list; /* list of objects to be traversed atomically */

size_t gc_live_after_mark;

size_t gc_threshold;

int gc_interval_ratio;

int gc_step_ratio;

mrb_bool gc_disabled:1;

mrb_bool gc_full:1;

mrb_bool is_generational_gc_mode:1;

mrb_bool out_of_memory:1;

size_t majorgc_old_threshold;

struct alloca_header *mems;

mrb_sym symidx;

struct kh_n2s *name2sym; /* symbol hash */

struct symbol_name *symtbl; /* symbol table */

size_t symcapa;

#ifdef ENABLE_DEBUG

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

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

#endif

struct RClass *eException_class;

struct RClass *eStandardError_class;

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

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

mrb_int atexit_stack_len;

} mrb_state;

#if __STDC_VERSION__ >= 201112L

# define mrb_noreturn _Noreturn

#elif defined __GNUC__ && !defined __STRICT_ANSI__

# define mrb_noreturn __attribute__((noreturn))

# define mrb_deprecated __attribute__((deprecated))

#elif defined _MSC_VER

# define mrb_noreturn __declspec(noreturn)

# define mrb_deprecated __declspec(deprecated)

#else

# define mrb_noreturn

# define mrb_deprecated

#endif

typedef mrb_value (*mrb_func_t)(mrb_state *mrb, mrb_value);

MRB_API struct RClass *mrb_define_class(mrb_state *, const char*, struct RClass*);

MRB_API struct RClass *mrb_define_module(mrb_state *, const char*);

MRB_API mrb_value mrb_singleton_class(mrb_state*, mrb_value);

MRB_API void mrb_include_module(mrb_state*, struct RClass*, struct RClass*);

MRB_API void mrb_define_method(mrb_state*, struct RClass*, const char*, mrb_func_t, mrb_aspec);

MRB_API void mrb_define_class_method(mrb_state *, struct RClass *, const char *, mrb_func_t, mrb_aspec);

MRB_API void mrb_define_singleton_method(mrb_state*, struct RObject*, const char*, mrb_func_t, mrb_aspec);

MRB_API void mrb_define_module_function(mrb_state*, struct RClass*, const char*, mrb_func_t, mrb_aspec);

MRB_API void mrb_define_const(mrb_state*, struct RClass*, const char *name, mrb_value);

MRB_API void mrb_undef_method(mrb_state*, struct RClass*, const char*);

MRB_API void mrb_undef_class_method(mrb_state*, struct RClass*, const char*);

MRB_API mrb_value mrb_obj_new(mrb_state *mrb, struct RClass *c, mrb_int argc, const mrb_value *argv);

#define mrb_class_new_instance(mrb,argc,argv,c) mrb_obj_new(mrb,c,argc,argv)

MRB_API mrb_value mrb_instance_new(mrb_state *mrb, mrb_value cv);

MRB_API struct RClass * mrb_class_new(mrb_state *mrb, struct RClass *super);

MRB_API struct RClass * mrb_module_new(mrb_state *mrb);

MRB_API mrb_bool mrb_class_defined(mrb_state *mrb, const char *name);

MRB_API struct RClass * mrb_class_get(mrb_state *mrb, const char *name);

MRB_API struct RClass * mrb_class_get_under(mrb_state *mrb, struct RClass *outer, const char *name);

MRB_API struct RClass * mrb_module_get(mrb_state *mrb, const char *name);

MRB_API struct RClass * mrb_module_get_under(mrb_state *mrb, struct RClass *outer, const char *name);

MRB_API mrb_value mrb_notimplement_m(mrb_state*, mrb_value);

MRB_API mrb_value mrb_obj_dup(mrb_state *mrb, mrb_value obj);

MRB_API mrb_value mrb_check_to_integer(mrb_state *mrb, mrb_value val, const char *method);

MRB_API mrb_bool mrb_obj_respond_to(mrb_state *mrb, struct RClass* c, mrb_sym mid);

MRB_API struct RClass * mrb_define_class_under(mrb_state *mrb, struct RClass *outer, const char *name, struct RClass *super);

MRB_API struct RClass * mrb_define_module_under(mrb_state *mrb, struct RClass *outer, const char *name);

/* required arguments */

#define MRB_ARGS_REQ(n) ((mrb_aspec)((n)&0x1f) << 18)

/* optional arguments */

#define MRB_ARGS_OPT(n) ((mrb_aspec)((n)&0x1f) << 13)

/* mandatory and optinal arguments */

#define MRB_ARGS_ARG(n1,n2) (MRB_ARGS_REQ(n1)|MRB_ARGS_OPT(n2))

/* rest argument */

#define MRB_ARGS_REST() ((mrb_aspec)(1 << 12))

/* required arguments after rest */

#define MRB_ARGS_POST(n) ((mrb_aspec)((n)&0x1f) << 7)

/* keyword arguments (n of keys, kdict) */

#define MRB_ARGS_KEY(n1,n2) ((mrb_aspec)((((n1)&0x1f) << 2) | ((n2)?(1<<1):0)))

/* block argument */

#define MRB_ARGS_BLOCK() ((mrb_aspec)1)

/* accept any number of arguments */

#define MRB_ARGS_ANY() MRB_ARGS_REST()

/* accept no arguments */

#define MRB_ARGS_NONE() ((mrb_aspec)0)

MRB_API mrb_int mrb_get_args(mrb_state *mrb, const char *format, ...);

/* `strlen` for character string literals (use with caution or `strlen` instead)

Adjacent string literals are concatenated in C/C++ in translation phase 6.

If `lit` is not one, the compiler will report a syntax error:

MSVC: "error C2143: syntax error : missing ')' before 'string'"

GCC: "error: expected ')' before string constant"

#define mrb_strlen_lit(lit) (sizeof(lit "") - 1)

MRB_API mrb_value mrb_funcall(mrb_state*, mrb_value, const char*, mrb_int,...);

MRB_API mrb_value mrb_funcall_argv(mrb_state*, mrb_value, mrb_sym, mrb_int, const mrb_value*);

MRB_API mrb_value mrb_funcall_with_block(mrb_state*, mrb_value, mrb_sym, mrb_int, const mrb_value*, mrb_value);

MRB_API mrb_sym mrb_intern_cstr(mrb_state*,const char*);

MRB_API mrb_sym mrb_intern(mrb_state*,const char*,size_t);

MRB_API mrb_sym mrb_intern_static(mrb_state*,const char*,size_t);

#define mrb_intern_lit(mrb, lit) mrb_intern_static(mrb, lit, mrb_strlen_lit(lit))

MRB_API mrb_sym mrb_intern_str(mrb_state*,mrb_value);

MRB_API mrb_value mrb_check_intern_cstr(mrb_state*,const char*);

MRB_API mrb_value mrb_check_intern(mrb_state*,const char*,size_t);

MRB_API mrb_value mrb_check_intern_str(mrb_state*,mrb_value);

MRB_API const char *mrb_sym2name(mrb_state*,mrb_sym);

MRB_API const char *mrb_sym2name_len(mrb_state*,mrb_sym,mrb_int*);

MRB_API mrb_value mrb_sym2str(mrb_state*,mrb_sym);

MRB_API void *mrb_malloc(mrb_state*, size_t); /* raise RuntimeError if no mem */

MRB_API void *mrb_calloc(mrb_state*, size_t, size_t); /* ditto */

MRB_API void *mrb_realloc(mrb_state*, void*, size_t); /* ditto */

MRB_API void *mrb_realloc_simple(mrb_state*, void*, size_t); /* return NULL if no memory available */

MRB_API void *mrb_malloc_simple(mrb_state*, size_t); /* return NULL if no memory available */

MRB_API struct RBasic *mrb_obj_alloc(mrb_state*, enum mrb_vtype, struct RClass*);

MRB_API void mrb_free(mrb_state*, void*);

MRB_API mrb_value mrb_str_new(mrb_state *mrb, const char *p, size_t len);

MRB_API mrb_value mrb_str_new_cstr(mrb_state*, const char*);

MRB_API mrb_value mrb_str_new_static(mrb_state *mrb, const char *p, size_t len);

#define mrb_str_new_lit(mrb, lit) mrb_str_new_static(mrb, (lit), mrb_strlen_lit(lit))

MRB_API mrb_state* mrb_open(void);

MRB_API mrb_state* mrb_open_allocf(mrb_allocf, void *ud);

MRB_API mrb_state* mrb_open_core(mrb_allocf, void *ud);

MRB_API void mrb_close(mrb_state*);

MRB_API void* mrb_default_allocf(mrb_state*, void*, size_t, void*);

MRB_API mrb_value mrb_top_self(mrb_state *);

MRB_API mrb_value mrb_run(mrb_state*, struct RProc*, mrb_value);

MRB_API mrb_value mrb_toplevel_run(mrb_state*, struct RProc*);

MRB_API mrb_value mrb_context_run(mrb_state*, struct RProc*, mrb_value, unsigned int);

MRB_API void mrb_p(mrb_state*, mrb_value);

MRB_API mrb_int mrb_obj_id(mrb_value obj);

MRB_API mrb_sym mrb_obj_to_sym(mrb_state *mrb, mrb_value name);

MRB_API mrb_bool mrb_obj_eq(mrb_state*, mrb_value, mrb_value);

MRB_API mrb_bool mrb_obj_equal(mrb_state*, mrb_value, mrb_value);

MRB_API mrb_bool mrb_equal(mrb_state *mrb, mrb_value obj1, mrb_value obj2);

MRB_API mrb_value mrb_convert_to_integer(mrb_state *mrb, mrb_value val, int base);

MRB_API mrb_value mrb_Integer(mrb_state *mrb, mrb_value val);

MRB_API mrb_value mrb_Float(mrb_state *mrb, mrb_value val);

MRB_API mrb_value mrb_inspect(mrb_state *mrb, mrb_value obj);

MRB_API mrb_bool mrb_eql(mrb_state *mrb, mrb_value obj1, mrb_value obj2);

MRB_API void mrb_garbage_collect(mrb_state*);

MRB_API void mrb_full_gc(mrb_state*);

MRB_API void mrb_incremental_gc(mrb_state *);

MRB_API int mrb_gc_arena_save(mrb_state*);

MRB_API void mrb_gc_arena_restore(mrb_state*,int);

MRB_API void mrb_gc_mark(mrb_state*,struct RBasic*);

#define mrb_gc_mark_value(mrb,val) do {\

if (!mrb_immediate_p(val)) mrb_gc_mark((mrb), mrb_basic_ptr(val)); \

} while (0)

MRB_API void mrb_field_write_barrier(mrb_state *, struct RBasic*, struct RBasic*);

#define mrb_field_write_barrier_value(mrb, obj, val) do{\

if (!mrb_immediate_p(val)) mrb_field_write_barrier((mrb), (obj), mrb_basic_ptr(val)); \

} while (0)

MRB_API void mrb_write_barrier(mrb_state *, struct RBasic*);

MRB_API mrb_value mrb_check_convert_type(mrb_state *mrb, mrb_value val, enum mrb_vtype type, const char *tname, const char *method);

MRB_API mrb_value mrb_any_to_s(mrb_state *mrb, mrb_value obj);

MRB_API const char * mrb_obj_classname(mrb_state *mrb, mrb_value obj);

MRB_API struct RClass* mrb_obj_class(mrb_state *mrb, mrb_value obj);

MRB_API mrb_value mrb_class_path(mrb_state *mrb, struct RClass *c);

MRB_API mrb_value mrb_convert_type(mrb_state *mrb, mrb_value val, enum mrb_vtype type, const char *tname, const char *method);

MRB_API mrb_bool mrb_obj_is_kind_of(mrb_state *mrb, mrb_value obj, struct RClass *c);

MRB_API mrb_value mrb_obj_inspect(mrb_state *mrb, mrb_value self);

MRB_API mrb_value mrb_obj_clone(mrb_state *mrb, mrb_value self);

#ifndef ISPRINT

#define ISASCII(c) ((unsigned)(c) <= 0x7f)

#define ISPRINT(c) (((unsigned)(c) - 0x20) < 0x5f)

#define ISSPACE(c) ((c) == ' ' || (unsigned)(c) - '\t' < 5)

#define ISUPPER(c) (((unsigned)(c) - 'A') < 26)

#define ISLOWER(c) (((unsigned)(c) - 'a') < 26)

#define ISALPHA(c) ((((unsigned)(c) | 0x20) - 'a') < 26)

#define ISDIGIT(c) (((unsigned)(c) - '0') < 10)

#define ISXDIGIT(c) (ISDIGIT(c) || ((unsigned)(c) | 0x20) - 'a' < 6)

#define ISALNUM(c) (ISALPHA(c) || ISDIGIT(c))

#define ISBLANK(c) ((c) == ' ' || (c) == '\t')

#define ISCNTRL(c) ((unsigned)(c) < 0x20 || (c) == 0x7f)

#define TOUPPER(c) (ISLOWER(c) ? ((c) & 0x5f) : (c))

#define TOLOWER(c) (ISUPPER(c) ? ((c) | 0x20) : (c))

#endif

MRB_API mrb_value mrb_exc_new(mrb_state *mrb, struct RClass *c, const char *ptr, size_t len);

MRB_API mrb_noreturn void mrb_exc_raise(mrb_state *mrb, mrb_value exc);

MRB_API mrb_noreturn void mrb_raise(mrb_state *mrb, struct RClass *c, const char *msg);

MRB_API mrb_noreturn void mrb_raisef(mrb_state *mrb, struct RClass *c, const char *fmt, ...);

MRB_API mrb_noreturn void mrb_name_error(mrb_state *mrb, mrb_sym id, const char *fmt, ...);

MRB_API void mrb_warn(mrb_state *mrb, const char *fmt, ...);

MRB_API mrb_noreturn void mrb_bug(mrb_state *mrb, const char *fmt, ...);

MRB_API void mrb_print_backtrace(mrb_state *mrb);

MRB_API void mrb_print_error(mrb_state *mrb);

/* macros to get typical exception objects

note:

+ those E_* macros requires mrb_state* variable named mrb.

+ exception objects obtained from those macros are local to mrb

#define E_RUNTIME_ERROR (mrb_class_get(mrb, "RuntimeError"))

#define E_TYPE_ERROR (mrb_class_get(mrb, "TypeError"))

#define E_ARGUMENT_ERROR (mrb_class_get(mrb, "ArgumentError"))

#define E_INDEX_ERROR (mrb_class_get(mrb, "IndexError"))

#define E_RANGE_ERROR (mrb_class_get(mrb, "RangeError"))

#define E_NAME_ERROR (mrb_class_get(mrb, "NameError"))

#define E_NOMETHOD_ERROR (mrb_class_get(mrb, "NoMethodError"))

#define E_SCRIPT_ERROR (mrb_class_get(mrb, "ScriptError"))

#define E_SYNTAX_ERROR (mrb_class_get(mrb, "SyntaxError"))

#define E_LOCALJUMP_ERROR (mrb_class_get(mrb, "LocalJumpError"))

#define E_REGEXP_ERROR (mrb_class_get(mrb, "RegexpError"))

#define E_SYSSTACK_ERROR (mrb_class_get(mrb, "SystemStackError"))

#define E_NOTIMP_ERROR (mrb_class_get(mrb, "NotImplementedError"))

#define E_FLOATDOMAIN_ERROR (mrb_class_get(mrb, "FloatDomainError"))

#define E_KEY_ERROR (mrb_class_get(mrb, "KeyError"))

MRB_API mrb_value mrb_yield(mrb_state *mrb, mrb_value b, mrb_value arg);

MRB_API mrb_value mrb_yield_argv(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value *argv);

MRB_API mrb_value mrb_yield_with_class(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value *argv, mrb_value self, struct RClass *c);

MRB_API void mrb_gc_protect(mrb_state *mrb, mrb_value obj);

MRB_API mrb_value mrb_to_int(mrb_state *mrb, mrb_value val);

#define mrb_int(mrb, val) mrb_fixnum(mrb_to_int(mrb, val))

MRB_API void mrb_check_type(mrb_state *mrb, mrb_value x, enum mrb_vtype t);

typedef enum call_type {

CALL_PUBLIC,

CALL_FCALL,

CALL_VCALL,

CALL_TYPE_MAX

} call_type;

MRB_API void mrb_define_alias(mrb_state *mrb, struct RClass *klass, const char *name1, const char *name2);

MRB_API const char *mrb_class_name(mrb_state *mrb, struct RClass* klass);

MRB_API void mrb_define_global_const(mrb_state *mrb, const char *name, mrb_value val);

MRB_API mrb_value mrb_attr_get(mrb_state *mrb, mrb_value obj, mrb_sym id);

MRB_API mrb_bool mrb_respond_to(mrb_state *mrb, mrb_value obj, mrb_sym mid);

MRB_API mrb_bool mrb_obj_is_instance_of(mrb_state *mrb, mrb_value obj, struct RClass* c);

/* fiber functions (you need to link mruby-fiber mrbgem to use) */

MRB_API mrb_value mrb_fiber_resume(mrb_state *mrb, mrb_value fib, mrb_int argc, const mrb_value *argv);

MRB_API mrb_value mrb_fiber_yield(mrb_state *mrb, mrb_int argc, const mrb_value *argv);

#define E_FIBER_ERROR (mrb_class_get(mrb, "FiberError"))

/* memory pool implementation */

typedef struct mrb_pool mrb_pool;

MRB_API struct mrb_pool* mrb_pool_open(mrb_state*);

MRB_API void mrb_pool_close(struct mrb_pool*);

MRB_API void* mrb_pool_alloc(struct mrb_pool*, size_t);

MRB_API void* mrb_pool_realloc(struct mrb_pool*, void*, size_t oldlen, size_t newlen);

MRB_API mrb_bool mrb_pool_can_realloc(struct mrb_pool*, void*, size_t);

MRB_API void* mrb_alloca(mrb_state *mrb, size_t);

MRB_API void mrb_state_atexit(mrb_state *mrb, mrb_atexit_func func);

MRB_API void mrb_show_version(mrb_state *mrb);

MRB_API void mrb_show_copyright(mrb_state *mrb);

#ifdef MRB_DEBUG

#include <assert.h>

#define mrb_assert(p) assert(p)

#define mrb_assert_int_fit(t1,n,t2,max) assert((n)>=0 && ((sizeof(n)<=sizeof(t2))||(n<=(t1)(max))))

#else

#define mrb_assert(p) ((void)0)

#define mrb_assert_int_fit(t1,n,t2,max) ((void)0)

#endif

#if __STDC_VERSION__ >= 201112L

#define mrb_static_assert(exp, str) _Static_assert(exp, str)

#else

#define mrb_static_assert(exp, str) mrb_assert(exp)

#endif

MRB_API mrb_value mrb_format(mrb_state *mrb, const char *format, ...);

#if defined(__cplusplus)

} /* extern "C" { */

#endif

#endif /* MRUBY_H */

mruby/include/mruby.h at master · netsec/mruby · GitHub

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