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#ifndef RBIMPL_GLOBALS_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_GLOBALS_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @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.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
* extension libraries. They could be written in C++98.
* @brief Ruby-level global variables / constants, visible from C.
*/
#include "ruby/internal/attr/pure.h"
#include "ruby/internal/dllexport.h"
#include "ruby/internal/fl_type.h"
#include "ruby/internal/special_consts.h"
#include "ruby/internal/value.h"
#include "ruby/internal/value_type.h"
/**
* @defgroup object Core objects and their operations
*
* @internal
*
* There are several questionable constants listed in this header file. They
* are intentionally left untouched for purely academic backwards compatibility
* concerns. But for instance do any one of 3rd party extension libraries even
* need to know that there is NameError::Message?
*
* @endinternal
*
* @{
*/
RBIMPL_SYMBOL_EXPORT_BEGIN()
/**
* @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_INTEGER_UNIFICATION 1
RUBY_EXTERN VALUE rb_mKernel; /**< `Kernel` module. */
RUBY_EXTERN VALUE rb_mComparable; /**< `Comparable` module. */
RUBY_EXTERN VALUE rb_mEnumerable; /**< `Enumerable` module. */
RUBY_EXTERN VALUE rb_mErrno; /**< `Errno` module. */
RUBY_EXTERN VALUE rb_mFileTest; /**< `FileTest` module. */
RUBY_EXTERN VALUE rb_mGC; /**< `GC` module. */
RUBY_EXTERN VALUE rb_mMath; /**< `Math` module. */
RUBY_EXTERN VALUE rb_mProcess; /**< `Process` module. */
RUBY_EXTERN VALUE rb_mWaitReadable; /**< `IO::WaitReadable` module. */
RUBY_EXTERN VALUE rb_mWaitWritable; /**< `IO::WaitReadable` module. */
RUBY_EXTERN VALUE rb_cBasicObject; /**< `BasicObject` class. */
RUBY_EXTERN VALUE rb_cObject; /**< `Object` class. */
RUBY_EXTERN VALUE rb_cArray; /**< `Array` class. */
RUBY_EXTERN VALUE rb_cBinding; /**< `Binding` class. */
RUBY_EXTERN VALUE rb_cClass; /**< `Class` class. */
RUBY_EXTERN VALUE rb_cDir; /**< `Dir` class. */
RUBY_EXTERN VALUE rb_cEncoding; /**< `Encoding` class. */
RUBY_EXTERN VALUE rb_cEnumerator; /**< `Enumerator` class. */
RUBY_EXTERN VALUE rb_cFalseClass; /**< `FalseClass` class. */
RUBY_EXTERN VALUE rb_cFile; /**< `File` class. */
RUBY_EXTERN VALUE rb_cComplex; /**< `Complex` class. */
RUBY_EXTERN VALUE rb_cFloat; /**< `Float` class. */
RUBY_EXTERN VALUE rb_cHash; /**< `Hash` class. */
RUBY_EXTERN VALUE rb_cIO; /**< `IO` class. */
RUBY_EXTERN VALUE rb_cInteger; /**< `Module` class. */
RUBY_EXTERN VALUE rb_cMatch; /**< `MatchData` class. */
RUBY_EXTERN VALUE rb_cMethod; /**< `Method` class. */
RUBY_EXTERN VALUE rb_cModule; /**< `Module` class. */
RUBY_EXTERN VALUE rb_cRefinement; /**< `Refinement` class. */
RUBY_EXTERN VALUE rb_cNameErrorMesg; /**< `NameError::Message` class. */
RUBY_EXTERN VALUE rb_cNilClass; /**< `NilClass` class. */
RUBY_EXTERN VALUE rb_cNumeric; /**< `Numeric` class. */
RUBY_EXTERN VALUE rb_cProc; /**< `Proc` class. */
RUBY_EXTERN VALUE rb_cRandom; /**< `Random` class. */
RUBY_EXTERN VALUE rb_cRange; /**< `Range` class. */
RUBY_EXTERN VALUE rb_cRational; /**< `Rational` class. */
RUBY_EXTERN VALUE rb_cRegexp; /**< `Regexp` class. */
RUBY_EXTERN VALUE rb_cStat; /**< `File::Stat` class. */
RUBY_EXTERN VALUE rb_cString; /**< `String` class. */
RUBY_EXTERN VALUE rb_cStruct; /**< `Struct` class. */
RUBY_EXTERN VALUE rb_cSymbol; /**< `Symbol` class. */
RUBY_EXTERN VALUE rb_cThread; /**< `Thread` class. */
RUBY_EXTERN VALUE rb_cTime; /**< `Time` class. */
RUBY_EXTERN VALUE rb_cTrueClass; /**< `TrueClass` class. */
RUBY_EXTERN VALUE rb_cUnboundMethod; /**< `UnboundMethod` class. */
/**
* @}
* @addtogroup exception
* @{
*/
RUBY_EXTERN VALUE rb_eException; /**< Mother of all exceptions. */
RUBY_EXTERN VALUE rb_eStandardError; /**< `StandardError` exception. */
RUBY_EXTERN VALUE rb_eSystemExit; /**< `SystemExit` exception. */
RUBY_EXTERN VALUE rb_eInterrupt; /**< `Interrupt` exception. */
RUBY_EXTERN VALUE rb_eSignal; /**< `SignalException` exception. */
RUBY_EXTERN VALUE rb_eFatal; /**< `fatal` exception. */
RUBY_EXTERN VALUE rb_eArgError; /**< `ArgumentError` exception. */
RUBY_EXTERN VALUE rb_eEOFError; /**< `EOFError` exception. */
RUBY_EXTERN VALUE rb_eIndexError; /**< `IndexError` exception. */
RUBY_EXTERN VALUE rb_eStopIteration; /**< `StopIteration` exception. */
RUBY_EXTERN VALUE rb_eKeyError; /**< `KeyError` exception. */
RUBY_EXTERN VALUE rb_eRangeError; /**< `RangeError` exception. */
RUBY_EXTERN VALUE rb_eIOError; /**< `IOError` exception. */
RUBY_EXTERN VALUE rb_eRuntimeError; /**< `RuntimeError` exception. */
RUBY_EXTERN VALUE rb_eFrozenError; /**< `FrozenError` exception. */
RUBY_EXTERN VALUE rb_eSecurityError; /**< `SecurityError` exception. */
RUBY_EXTERN VALUE rb_eSystemCallError; /**< `SystemCallError` exception. */
RUBY_EXTERN VALUE rb_eThreadError; /**< `ThreadError` exception. */
RUBY_EXTERN VALUE rb_eTypeError; /**< `TypeError` exception. */
RUBY_EXTERN VALUE rb_eZeroDivError; /**< `ZeroDivisionError` exception. */
RUBY_EXTERN VALUE rb_eNotImpError; /**< `NotImplementedError` exception. */
RUBY_EXTERN VALUE rb_eNoMemError; /**< `NoMemoryError` exception. */
RUBY_EXTERN VALUE rb_eNoMethodError; /**< `NoMethodError` exception. */
RUBY_EXTERN VALUE rb_eFloatDomainError; /**< `FloatDomainError` exception. */
RUBY_EXTERN VALUE rb_eLocalJumpError; /**< `LocalJumpError` exception. */
RUBY_EXTERN VALUE rb_eSysStackError; /**< `SystemStackError` exception. */
RUBY_EXTERN VALUE rb_eRegexpError; /**< `RegexpError` exception. */
RUBY_EXTERN VALUE rb_eEncodingError; /**< `EncodingError` exception. */
RUBY_EXTERN VALUE rb_eEncCompatError; /**< `Encoding::CompatibilityError` exception. */
RUBY_EXTERN VALUE rb_eNoMatchingPatternError; /**< `NoMatchingPatternError` exception. */
RUBY_EXTERN VALUE rb_eNoMatchingPatternKeyError; /**< `NoMatchingPatternKeyError` exception. */
RUBY_EXTERN VALUE rb_eScriptError; /**< `ScriptError` exception. */
RUBY_EXTERN VALUE rb_eNameError; /**< `NameError` exception. */
RUBY_EXTERN VALUE rb_eSyntaxError; /**< `SyntaxError` exception. */
RUBY_EXTERN VALUE rb_eLoadError; /**< `LoadError` exception. */
RUBY_EXTERN VALUE rb_eMathDomainError; /**< `Math::DomainError` exception. */
/**
* @}
* @addtogroup object
* @{
*/
RUBY_EXTERN VALUE rb_stdin; /**< `STDIN` constant. */
RUBY_EXTERN VALUE rb_stdout; /**< `STDOUT` constant. */
RUBY_EXTERN VALUE rb_stderr; /**< `STDERR` constant. */
RBIMPL_ATTR_PURE()
/**
* Object to class mapping function. Every object have its class. This
* function obtains that.
*
* @param[in] obj Target object to query.
* @return The class of the given object.
*
* @internal
*
* This function is a super-duper hot path. Optimised targeting modern C
* compilers and x86_64 architecture.
*/
static inline VALUE
rb_class_of(VALUE obj)
{
if (! RB_SPECIAL_CONST_P(obj)) {
return RBASIC_CLASS(obj);
}
else if (obj == RUBY_Qfalse) {
return rb_cFalseClass;
}
else if (obj == RUBY_Qnil) {
return rb_cNilClass;
}
else if (obj == RUBY_Qtrue) {
return rb_cTrueClass;
}
else if (RB_FIXNUM_P(obj)) {
return rb_cInteger;
}
else if (RB_STATIC_SYM_P(obj)) {
return rb_cSymbol;
}
else if (RB_FLONUM_P(obj)) {
return rb_cFloat;
}
#if !RUBY_DEBUG
RBIMPL_UNREACHABLE_RETURN(Qfalse);
#else
RUBY_ASSERT_FAIL("unexpected type");
#endif
}
#define CLASS_OF rb_class_of /**< @old{rb_class_of} */
RBIMPL_SYMBOL_EXPORT_END()
/** @} */
#endif /* RBIMPL_GLOBALS_H */
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