mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
311 lines
11 KiB
C++
311 lines
11 KiB
C++
#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 */
|