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-rw-r--r--include/ruby/ruby.h311
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diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
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-#ifndef RUBY_RUBY_H /*-*-C++-*-vi:se ft=cpp:*/
-#define RUBY_RUBY_H 1
-/**
- * @file
- * @author $Author$
- * @date Thu Jun 10 14:26:32 JST 1993
- * @copyright Copyright (C) 1993-2008 Yukihiro Matsumoto
- * @copyright Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
- * @copyright Copyright (C) 2000 Information-technology Promotion Agency, Japan
- * @copyright This file is a part of the programming language Ruby.
- * Permission is hereby granted, to either redistribute and/or
- * modify this file, provided that the conditions mentioned in the
- * file COPYING are met. Consult the file for details.
- */
-#include "ruby/internal/config.h"
-
-/* @shyouhei doesn't understand why we need <intrinsics.h> at this very
- * beginning of the entire <ruby.h> circus. */
-#ifdef HAVE_INTRINSICS_H
-# include <intrinsics.h>
-#endif
-
-#include <stdarg.h>
-
-#include "defines.h"
-#include "ruby/internal/anyargs.h"
-#include "ruby/internal/arithmetic.h"
-#include "ruby/internal/core.h"
-#include "ruby/internal/ctype.h"
-#include "ruby/internal/dllexport.h"
-#include "ruby/internal/error.h"
-#include "ruby/internal/eval.h"
-#include "ruby/internal/event.h"
-#include "ruby/internal/fl_type.h"
-#include "ruby/internal/gc.h"
-#include "ruby/internal/glob.h"
-#include "ruby/internal/globals.h"
-#include "ruby/internal/has/warning.h"
-#include "ruby/internal/interpreter.h"
-#include "ruby/internal/iterator.h"
-#include "ruby/internal/memory.h"
-#include "ruby/internal/method.h"
-#include "ruby/internal/module.h"
-#include "ruby/internal/newobj.h"
-#include "ruby/internal/rgengc.h"
-#include "ruby/internal/scan_args.h"
-#include "ruby/internal/special_consts.h"
-#include "ruby/internal/symbol.h"
-#include "ruby/internal/value.h"
-#include "ruby/internal/value_type.h"
-#include "ruby/internal/variable.h"
-#include "ruby/assert.h"
-#include "ruby/backward/2/assume.h"
-#include "ruby/backward/2/inttypes.h"
-#include "ruby/backward/2/limits.h"
-
-RBIMPL_SYMBOL_EXPORT_BEGIN()
-
-/* Module#methods, #singleton_methods and so on return Symbols */
-/**
- * @private
- *
- * @deprecated This macro once was a thing in the old days, but makes no sense
- * any longer today. Exists here for backwards compatibility
- * only. You can safely forget about it.
- */
-#define USE_SYMBOL_AS_METHOD_NAME 1
-
-/**
- * Converts an object to a path. It first tries `#to_path` method if any, then
- * falls back to `#to_str` method.
- *
- * @param[in] obj Arbitrary ruby object.
- * @exception rb_eArgError `obj` contains a NUL byte.
- * @exception rb_eTypeError `obj` is not path-ish.
- * @exception rb_eEncCompatError No encoding conversion from `obj` to path.
- * @return Converted path object.
- */
-VALUE rb_get_path(VALUE obj);
-
-/**
- * Ensures that the parameter object is a path.
- *
- * @param[in,out] v Arbitrary ruby object.
- * @exception rb_eArgError `v` contains a NUL byte.
- * @exception rb_eTypeError `v` is not path-ish.
- * @exception rb_eEncCompatError `v` is not path-compatible.
- * @post `v` is a path.
- */
-#define FilePathValue(v) (RB_GC_GUARD(v) = rb_get_path(v))
-
-/**
- * @deprecated This function is an alias of rb_get_path() now. The part that
- * did "no_checksafe" was deleted. It remains here because of no
- * harm.
- */
-VALUE rb_get_path_no_checksafe(VALUE);
-
-/**
- * @deprecated This macro is an alias of #FilePathValue now. The part that did
- * "String" was deleted. It remains here because of no harm.
- */
-#define FilePathStringValue(v) ((v) = rb_get_path(v))
-
-/** @cond INTERNAL_MACRO */
-#if defined(HAVE_BUILTIN___BUILTIN_CONSTANT_P) && defined(HAVE_STMT_AND_DECL_IN_EXPR)
-# define rb_varargs_argc_check_runtime(argc, vargc) \
- (((argc) <= (vargc)) ? (argc) : \
- (rb_fatal("argc(%d) exceeds actual arguments(%d)", \
- argc, vargc), 0))
-# define rb_varargs_argc_valid_p(argc, vargc) \
- ((argc) == 0 ? (vargc) <= 1 : /* [ruby-core:85266] [Bug #14425] */ \
- (argc) == (vargc))
-# if defined(HAVE_BUILTIN___BUILTIN_CHOOSE_EXPR_CONSTANT_P)
-# ifdef HAVE_ATTRIBUTE_ERRORFUNC
-ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int));
-# else
-# define rb_varargs_bad_length(argc, vargc) \
- ((argc)/rb_varargs_argc_valid_p(argc, vargc))
-# endif
-# define rb_varargs_argc_check(argc, vargc) \
- __builtin_choose_expr(__builtin_constant_p(argc), \
- (rb_varargs_argc_valid_p(argc, vargc) ? (argc) : \
- rb_varargs_bad_length(argc, vargc)), \
- rb_varargs_argc_check_runtime(argc, vargc))
-# else
-# define rb_varargs_argc_check(argc, vargc) \
- rb_varargs_argc_check_runtime(argc, vargc)
-# endif
-#endif
-/** @endcond */
-
-/**
- * Queries the name of the passed class.
- *
- * @param[in] klass An instance of a class.
- * @return The name of `klass`.
- * @note Return value is managed by our GC. Don't free.
- */
-const char *rb_class2name(VALUE klass);
-
-/**
- * Queries the name of the class of the passed object.
- *
- * @param[in] obj Arbitrary ruby object.
- * @return The name of the class of `obj`.
- * @note Return value is managed by our GC. Don't free.
- */
-const char *rb_obj_classname(VALUE obj);
-
-/**
- * Inspects an object. It first calls the argument's `#inspect` method, then
- * feeds its result string into ::rb_stdout.
- *
- * This is identical to Ruby level `Kernel#p`, except it takes only one object.
- *
- * @internal
- *
- * Above description is in fact inaccurate. This API interfaces with Ractors.
- */
-void rb_p(VALUE obj);
-
-/**
- * This function is an optimised version of calling `#==`. It checks equality
- * between two objects by first doing a fast identity check using using C's
- * `==` (same as `BasicObject#equal?`). If that check fails, it calls `#==`
- * dynamically. This optimisation actually affects semantics, because when
- * `#==` returns false for the same object obj, `rb_equal(obj, obj)` would
- * still return true. This happens for `Float::NAN`, where `Float::NAN ==
- * Float::NAN` is `false`, but `rb_equal(Float::NAN, Float::NAN)` is `true`.
- *
- * @param[in] lhs Comparison LHS.
- * @param[in] rhs Comparison RHS.
- * @retval RUBY_Qtrue They are the same.
- * @retval RUBY_Qfalse They are different.
- */
-VALUE rb_equal(VALUE lhs, VALUE rhs);
-
-/**
- * Identical to rb_require_string(), except it takes C's string instead of
- * Ruby's.
- *
- * @param[in] feature Name of a feature, e.g. `"json"`.
- * @exception rb_eLoadError No such feature.
- * @exception rb_eRuntimeError `$"` is frozen; unable to push.
- * @retval RUBY_Qtrue The feature is loaded for the first time.
- * @retval RUBY_Qfalse The feature has already been loaded.
- * @post `$"` is updated.
- */
-VALUE rb_require(const char *feature);
-
-#include "ruby/intern.h"
-
-/**
- * @private
- *
- * @deprecated This macro once was a thing in the old days, but makes no sense
- * any longer today. Exists here for backwards compatibility
- * only. You can safely forget about it.
- */
-#define RUBY_VM 1 /* YARV */
-
-/**
- * @private
- *
- * @deprecated This macro once was a thing in the old days, but makes no sense
- * any longer today. Exists here for backwards compatibility
- * only. You can safely forget about it.
- */
-#define HAVE_NATIVETHREAD
-
-/**
- * Queries if the thread which calls this function is a ruby's thread.
- * "Ruby's" in this context is a thread created using one of our APIs like
- * rb_thread_create(). There are distinctions between ruby's and other
- * threads. For instance calling ruby methods are allowed only from inside of
- * a ruby's thread.
- *
- * @retval 1 The current thread is a Ruby's thread.
- * @retval 0 The current thread is a random thread from outside of Ruby.
- */
-int ruby_native_thread_p(void);
-
-/**
- * @private
- *
- * This macro is for internal use. Must be a mistake to place here.
- */
-#define InitVM(ext) {void InitVM_##ext(void);InitVM_##ext();}
-
-RBIMPL_ATTR_NONNULL((3))
-RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 3, 4)
-/**
- * Our own locale-insensitive version of `snprintf(3)`. It can also be seen as
- * a routine identical to rb_sprintf(), except it writes back to the passed
- * buffer instead of allocating a new Ruby object.
- *
- * @param[out] str Return buffer
- * @param[in] n Number of bytes of `str`.
- * @param[in] fmt A `printf`-like format specifier.
- * @param[in] ... Variadic number of contents to format.
- * @return Number of bytes that would have been written to `str`, if `n`
- * was large enough. Comparing this to `n` can give you insights
- * that the buffer is too small or too big. Especially passing 0
- * to `n` gives you the exact number of bytes necessary to hold
- * the result string without writing anything to anywhere.
- * @post `str` holds up to `n-1` bytes of formatted contents (and the
- * terminating NUL character.)
- */
-int ruby_snprintf(char *str, size_t n, char const *fmt, ...);
-
-RBIMPL_ATTR_NONNULL((3))
-RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 3, 0)
-/**
- * Identical to ruby_snprintf(), except it takes a `va_list`. It can also be
- * seen as a routine identical to rb_vsprintf(), except it writes back to the
- * passed buffer instead of allocating a new Ruby object.
- *
- * @param[out] str Return buffer
- * @param[in] n Number of bytes of `str`.
- * @param[in] fmt A `printf`-like format specifier.
- * @param[in] ap Contents to format.
- * @return Number of bytes that would have been written to `str`, if `n`
- * was large enough. Comparing this to `n` can give you insights
- * that the buffer is too small or too big. Especially passing 0
- * to `n` gives you the exact number of bytes necessary to hold
- * the result string without writing anything to anywhere.
- * @post `str` holds up to `n-1` bytes of formatted contents (and the
- * terminating NUL character.)
- */
-int ruby_vsnprintf(char *str, size_t n, char const *fmt, va_list ap);
-
-/** @cond INTERNAL_MACRO */
-#if RBIMPL_HAS_WARNING("-Wgnu-zero-variadic-macro-arguments")
-# /* Skip it; clang -pedantic doesn't like the following */
-#elif defined(__GNUC__) && defined(HAVE_VA_ARGS_MACRO) && defined(__OPTIMIZE__)
-# define rb_yield_values(argc, ...) \
-__extension__({ \
- const int rb_yield_values_argc = (argc); \
- const VALUE rb_yield_values_args[] = {__VA_ARGS__}; \
- const int rb_yield_values_nargs = \
- (int)(sizeof(rb_yield_values_args) / sizeof(VALUE)); \
- rb_yield_values2( \
- rb_varargs_argc_check(rb_yield_values_argc, rb_yield_values_nargs), \
- rb_yield_values_nargs ? rb_yield_values_args : NULL); \
- })
-
-# define rb_funcall(recv, mid, argc, ...) \
-__extension__({ \
- const int rb_funcall_argc = (argc); \
- const VALUE rb_funcall_args[] = {__VA_ARGS__}; \
- const int rb_funcall_nargs = \
- (int)(sizeof(rb_funcall_args) / sizeof(VALUE)); \
- rb_funcallv(recv, mid, \
- rb_varargs_argc_check(rb_funcall_argc, rb_funcall_nargs), \
- rb_funcall_nargs ? rb_funcall_args : NULL); \
- })
-#endif
-/** @endcond */
-
-#ifndef RUBY_DONT_SUBST
-#include "ruby/subst.h"
-#endif
-
-#if !defined RUBY_EXPORT && !defined RUBY_NO_OLD_COMPATIBILITY
-# include "ruby/backward.h"
-#endif
-
-RBIMPL_SYMBOL_EXPORT_END()
-
-#endif /* RUBY_RUBY_H */
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