Allow ruby versions 3.2 and 3.4 for installation
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libs/libruby/ruby/internal/intern/range.h
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libs/libruby/ruby/internal/intern/range.h
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#ifndef RBIMPL_INTERN_RANGE_H /*-*-C++-*-vi:se ft=cpp:*/
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#define RBIMPL_INTERN_RANGE_H
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/**
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* @file
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* @author Ruby developers <ruby-core@ruby-lang.org>
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
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* implementation details. Don't take them as canon. They could
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* rapidly appear then vanish. The name (path) of this header file
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* is also an implementation detail. Do not expect it to persist
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* at the place it is now. Developers are free to move it anywhere
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* anytime at will.
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* @note To ruby-core: remember that this header can be possibly
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* recursively included from extension libraries written in C++.
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* Do not expect for instance `__VA_ARGS__` is always available.
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* We assume C99 for ruby itself but we don't assume languages of
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* extension libraries. They could be written in C++98.
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* @brief Public APIs related to ::rb_cRange.
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*/
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#include "ruby/internal/attr/nonnull.h"
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#include "ruby/internal/dllexport.h"
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#include "ruby/internal/value.h"
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RBIMPL_SYMBOL_EXPORT_BEGIN()
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/* range.c */
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/**
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* Creates a new Range.
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*
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* @param[in] beg "Left" or "lowest" endpoint of the range.
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* @param[in] end "Right" or "highest" endpoint of the range.
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* @param[in] excl Whether the range is open-ended.
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* @exception rb_eArgError `beg` and `end` are not comparable.
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* @note These days both endpoints can be ::RUBY_Qnil, which means that
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* endpoint is unbound.
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*/
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VALUE rb_range_new(VALUE beg, VALUE end, int excl);
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RBIMPL_ATTR_NONNULL(())
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/**
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* Deconstructs a numerical range. As the arguments are `long` based, it
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* expects everything are in the `long` domain.
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*
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* @param[in] range A range of numerical endpoints.
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* @param[out] begp Return value buffer.
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* @param[out] lenp Return value buffer.
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* @param[in] len Updated length.
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* @param[in] err In case `len` is out of range...
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* - `0`: returns ::RUBY_Qnil.
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* - `1`: raises ::rb_eRangeError.
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* - `2`: `beg` and `len` expanded accordingly.
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* @exception rb_eTypeError `range` is not a numerical range.
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* @exception rb_eRangeError `range` cannot fit into `long`.
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* @retval RUBY_Qfalse `range` is not an ::rb_cRange.
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* @retval RUBY_Qnil `len` is out of `range` but `err` is zero.
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* @retval RUBY_Qtrue Otherwise.
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* @post `beg` is the (possibly updated) left endpoint.
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* @post `len` is the (possibly updated) length of the range.
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*
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* @internal
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*
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* The complex error handling switch reflects the fact that `Array#[]=` and
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* `String#[]=` behave differently when they take ranges.
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*/
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VALUE rb_range_beg_len(VALUE range, long *begp, long *lenp, long len, int err);
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RBIMPL_ATTR_NONNULL(())
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/**
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* Deconstructs a range into its components.
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*
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* @param[in] range Range or range-ish object.
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* @param[out] begp Return value buffer.
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* @param[out] endp Return value buffer.
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* @param[out] exclp Return value buffer.
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* @retval RUBY_Qfalse `range` is not an instance of ::rb_cRange.
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* @retval RUBY_Qtrue Argument pointers are updated.
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* @post `*begp` is the left endpoint of the range.
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* @post `*endp` is the right endpoint of the range.
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* @post `*exclp` is whether the range is open-ended or not.
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*/
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int rb_range_values(VALUE range, VALUE *begp, VALUE *endp, int *exclp);
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RBIMPL_SYMBOL_EXPORT_END()
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#endif /* RBIMPL_INTERN_RANGE_H */
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